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aa_v3.exe

Ammyy Admin

Ammyy

The application aa_v3.exe by Ammyy has been detected as adware by 15 anti-malware scanners. The file has been seen being downloaded from dl-mail.ymail.com and multiple other hosts. While running, it connects to the Internet address pacific1385.us.unmetered.com on port 80 using the HTTP protocol.
Publisher:
Ammyy LLC  (signed by Ammyy)

Product:
Ammyy Admin

Version:
3.0

MD5:
3cd46aa0e216dc8a67a5a99499c1f7bb

SHA-1:
671e250c8e60aed6952c004f3a0e891e92b7881a

SHA-256:
7dea9a85e86f3183f03ee19c3ecd8c1d1bf360cde2a74b39aa324379e617fb8f

Scanner detections:
15 / 68

Status:
Adware

Analysis date:
4/26/2024 8:05:26 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Riskware.RemoteAdmin
7.1.1

AhnLab V3 Security
PUP/Win32.RemoteAdmin
2014.08.19

Avira AntiVirus
APPL/Remote.AmmyyAdmin.129
7.11.167.230

avast!
Win32:PUP-gen [PUP]
2014.9-140819

Bkav FE
W32.Clod820.Trojan
1.3.0.4613

Comodo Security
UnclassifiedMalware
19241

Dr.Web
Program.RemoteAdmin.701
9.0.1.0231

ESET NOD32
Win32/RemoteAdmin.Ammyy (variant)
8.10277

K7 AntiVirus
Unwanted-Program
13.174.10644

Kaspersky
not-a-virus:RemoteAdmin.Win32.Agent
14.0.0.3381

NANO AntiVirus
Trojan.Win32.RemoteAdmin.crsswt
0.28.2.61721

nProtect
Trojan/W32.Agent.730960
13.12.26.02

Reason Heuristics
PUP.Ammyy.F
14.9.30.13

Rising Antivirus
PE:Malware.Ammyy!6.854
23.00.65.14817

VIPRE Antivirus
Trojan.Win32.Generic
25192

File size:
705.8 KB (722,736 bytes)

Product version:
3.0

Original file name:
AMMYY_Admin.exe

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Digital Signature
Signed by:
Ammyy

Authority:
VeriSign, Inc.

Valid from:
11/3/2011 6:00:00 PM

Valid to:
11/3/2012 5:59:59 PM

Subject:
CN=Ammyy, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Ammyy, L=Moscow, S=Moscow, C=RU

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
5F442BEEED4174761DED2A9AEF47DE90

File PE Metadata
Compilation timestamp:
3/7/2012 4:16:30 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:4DO1sGCX4gUOhRYcUHqq1RtkwkN6NZHDRpgs:R1XCrUOhmcE1RtXkN6NZHUs

Entry address:
0x76D8E

Entry point:
55, 8B, EC, 6A, FF, 68, B0, 18, 48, 00, 68, 30, 6F, 47, 00, 64, A1, 00, 00, 00, 00, 50, 64, 89, 25, 00, 00, 00, 00, 83, EC, 68, 53, 56, 57, 89, 65, E8, 33, DB, 89, 5D, FC, 6A, 02, FF, 15, F0, D4, 47, 00, 59, 83, 0D, E8, AB, 4A, 00, FF, 83, 0D, EC, AB, 4A, 00, FF, FF, 15, EC, D4, 47, 00, 8B, 0D, D0, AB, 4A, 00, 89, 08, FF, 15, E8, D4, 47, 00, 8B, 0D, CC, AB, 4A, 00, 89, 08, A1, E4, D4, 47, 00, 8B, 00, A3, E4, AB, 4A, 00, E8, EB, B5, FA, FF, 39, 1D, 30, 35, 4A, 00, 75, 0C, 68, 5A, 6F, 47, 00, FF, 15, E0, D4...
 
[+]

Entropy:
6.6067

Developed / compiled with:
Microsoft Visual C++ v6.0

Code size:
496 KB (507,904 bytes)

The file aa_v3.exe has been seen being distributed by the following 2 URLs.

https://dl-mail.ymail.com/ws/download/mailboxes/@.id==VjJ-m9wfViexL_1L1IlCUvHh3Id-G_OOj-aQAFl_iPeAQm_u63mozK5AMuHcL1UAyd8O-OZtZrw2rULBXQ-scIJXZQ/messages/@.id==AKSkiGIAAFemT3fruwx2rynTMsI/content/parts/@.id==2/raw?appid=YahooMailNeo&token=zitEzqOML3j84e6ealFTT5U7-km5qEQF52lp7AcCuBYXIqacXwvIERPgQzL6f65haF9j4hZ5pBayispv4unsjA&error=https://us-mg6.mail.yahoo.com/.../iframemsg?id=9a9bbf78-67cf-fc3f-ad3d-2b38ba9322b9&ymreqid=41789820-7f60-2552-015c-a70053010000

http://www.kgieworld.co.th/.../AMMYY_V3.exe

The executing file has been seen to make the following network communications in live environments.

TCP (HTTP):
Connects to rl.ammyy.com  (176.56.184.37:80)

TCP (HTTP SSL):
Connects to pacific1385.us.unmetered.com  (209.239.123.75:443)

TCP (HTTP SSL):
Connects to static-ip-173-224-123-242.inaddr.ip-pool.com  (173.224.123.242:443)

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