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f8e4.tmp.exe

The application f8e4.tmp.exe has been detected as a potentially unwanted program by 14 anti-malware scanners. It runs as a scheduled task under the Windows Task Scheduler triggered daily at a specified time. It is built using the Crossrider cross-browser extension toolkit. While the file utilizes the Crossrider framework and delivery services, it is not owned by Crossrider.
MD5:
248a6e10030e47321d7e3dec8fad1f02

SHA-1:
845375153ef1c20a95f57281bca4784f65f4191a

SHA-256:
cdbb76fc1f4495942f5d9db90a79f58992facf1a0ad14bab6c4c6577fb34fcf7

Scanner detections:
14 / 68

Status:
Potentially unwanted

Explanation:
The software may change the browser's home page and search provider settings as well as display advertisements.

Analysis date:
4/19/2024 12:27:32 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Variant.Graftor.188054
582

avast!
Win32:Malware-gen
2014.9-150609

Clam AntiVirus
Win.Trojan.Agent-1313242
0.98/22588

Dr.Web
Trojan.Crossrider1.25951
9.0.1.05190

Emsisoft Anti-Malware
Gen:Variant.Graftor.188054
8.15.06.09.05

ESET NOD32
Win32/Techsnab.H potentially unwanted application
6.3.12010.0

F-Secure
Gen:Variant.Graftor.188054
11.2015-09-06_3

herdProtect (fuzzy)
variant of 6eaa.tmp.exe
2015.7.2.17

Kaspersky
not-a-virus:AdWare.Win32.Agent
15.0.2.529

MicroWorld eScan
Gen:Variant.Graftor.188054
16.0.0.549

Norman
Gen:Variant.Graftor.188054
11.20150609

Reason Heuristics
Threat.Win.Reputation.IMP
15.6.9.1

VIPRE Antivirus
Crossrider
38838

Zillya! Antivirus
Adware.Agent.Win32.56455
2.0.0.2205

File size:
785 KB (803,840 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\appdata\roaming\f8e4.tmp.exe

File PE Metadata
Compilation timestamp:
3/27/2015 8:36:01 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
24576:6geuUFXmR6fNc3D5oH7BFkKPm2Oug+jf:IFWuhvkKPm2E+jf

Entry address:
0x90749

Entry point:
E8, 51, B1, 00, 00, E9, 89, FE, FF, FF, 8B, FF, 55, 8B, EC, 83, EC, 20, 53, 57, 33, DB, 6A, 07, 33, C0, 59, 8D, 7D, E4, 89, 5D, E0, F3, AB, 39, 5D, 0C, 75, 15, E8, 37, 36, 00, 00, C7, 00, 16, 00, 00, 00, E8, 86, 5B, 00, 00, 83, C8, FF, EB, 69, 8B, 45, 08, 3B, C3, 74, E4, 56, FF, 75, 14, 89, 45, E8, FF, 75, 10, 89, 45, E0, FF, 75, 0C, 8D, 45, E0, 50, C7, 45, EC, 42, 00, 00, 00, C7, 45, E4, FF, FF, FF, 7F, E8, 1E, 74, 00, 00, 83, C4, 10, FF, 4D, E4, 8B, F0, 78, 0A, 8B, 45, E0, 88, 18, FF, 45, E0, EB, 0C, 8D...
 
[+]

Entropy:
6.7207

Code size:
675 KB (691,200 bytes)

Scheduled Task
Task name:
Malware Cleaner

Trigger:
Daily (Runs daily at 10:22 AM)


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

TCP (HTTP SSL):
Connects to s3-1.amazonaws.com  (54.231.50.44:443)

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