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f5795b.exe

The executable f5795b.exe has been detected as malware by 40 anti-virus scanners. It is set to automatically execute when any user logs into Windows (through the local user run registry setting) with the name ‘F5795B’.
MD5:
dd36619db8c11366235a4a78f9b85913

SHA-1:
8e429bbab3c9c6ab2c4fe5d651747640942d7be6

Scanner detections:
40 / 68

Status:
Malware

Analysis date:
5/22/2024 2:14:31 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
GenPack:Backdoor.Generic.199964
1103

Agnitum Outpost
Backdoor.FlyAgent
7.1.1

AhnLab V3 Security
Win32/Flystudio.worm.Gen
2013.11.28

Avira AntiVirus
TR/Dropper.Gen
7.11.116.34

avast!
Win32:EvilEPL [Cryp]
2014.9-140128

AVG
Win32/Heur
2015.0.3581

Baidu Antivirus
Worm.Win32.AutoRun
4.0.3.14128

Bitdefender
GenPack:Backdoor.Generic.199964
1.0.20.140

Bkav FE
W32.FlyStudioTn
1.3.0.4562

Clam AntiVirus
Worm.FlyStudio-15
0.98/18155

Comodo Security
TrojWare.Win32.TrojanDropper.Flystud.~d01
17348

Dr.Web
Win32.HLLW.Autoruner.26035
9.0.1.028

Emsisoft Anti-Malware
GenPack:Backdoor.Generic.199964
8.14.01.28.11

ESET NOD32
Win32/AutoRun.FlyStudio.SJ
8.9105

Fortinet FortiGate
W32/PckdFlyStudio.gen
1/28/2014

F-Prot
W32/Nuj.A.gen
v6.4.7.1.166

F-Secure
Trojan-Dropper:W32/Peed.gen!A
11.2014-28-01_3

G Data
GenPack:Backdoor.Generic.199964
14.1.22

IKARUS anti.virus
Worm.Win32.FlyStudio
t3scan.2.2.29

K7 AntiVirus
Trojan
13.174.10333

Kaspersky
Trojan-Downloader.Win32.FlyStudio
14.0.0.4398

Malwarebytes
Worm.AutoRun.H
v2014.01.28.11

McAfee
W32/Autorun.worm.ev
5600.7237

Microsoft Security Essentials
Backdoor:Win32/FlyAgent.F
1.163.1557.0

MicroWorld eScan
GenPack:Backdoor.Generic.199964
15.0.0.84

NANO AntiVirus
Trojan.Win32.FlyStudio.lbopl
0.28.0.56420

Norman
FlyAgent.CX
11.20140128

nProtect
Trojan-Dropper/W32.FlyStudio.1415786
13.11.28.02

Panda Antivirus
Bck/Wutau.B
14.01.28.11

Quick Heal
Backdoor.FlyAgent.F
1.14.12.00

Reason Heuristics
Unnamed.Threat.69
14.3.6.10

Rising Antivirus
PE:Worm.Win32.Agent.aaq!1075178983
23.00.65.14126

Sophos
Mal/EncPk-NB
4.95

SUPERAntiSpyware
Trojan.Agent/Gen-Fly[Large]
10818

Total Defense
Win32/Nuj.IX
37.0.10498

Trend Micro House Call
TROJ_GEN.F47V0624
7.2.28

Trend Micro
WORM_AUTORUN.SMW
10.465.28

Vba32 AntiVirus
TrojanDownloader.FlyStudio
3.12.24.3

VIPRE Antivirus
Trojan.Win32.Autorun.dm
23802

ViRobot
Trojan.Win32.A.Downloader.1415786.A
2011.4.7.4223

File size:
1.4 MB (1,415,786 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\Windows\System32\f6a9d1\f5795b.exe

File PE Metadata
Compilation timestamp:
12/25/1972 1:33:23 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
4.0

CTPH (ssdeep):
24576:HcrdqMocscoY2uDjJkVIq/18INypTxCuHCOO/Vp7VOO5246ZvihJ+JBuovwi4M5M:HZMoeoYfD1CIivWELpJ724jhMJLwmM

Entry address:
0x1380

Entry point:
52, 56, 51, 50, 53, 2B, D2, 57, 0F, 84, B8, FF, FF, FF, 9F, A1, 9B, 28, 7F, 32, E6, 92, 81, EE, 27, 02, 00, 00, E9, 23, 00, 00, 00, 18, F5, FB, 98, FF, C1, 5E, E9, E9, FF, FF, FF, 69, E7, 1A, E2, 12, 18, 0F, 84, 47, 00, 00, 00, 0F, 82, E1, FE, FF, FF, B6, 04, DF, C7, 5B, F7, 06, FF, FF, FF, FF, F9, 0F, 82, E2, FF, FF, FF, C3, 96, AC, EC, 8B, DE, E9, E0, FE, FF, FF, 26, 79, A5, 84, 01, E7, 0F, 85, 0B, 00, 00, 00, F9, 0F, 82, E6, FF, FF, FF, 76, 88, 73, 7B, 8B, 06, E9, FE, FE, FF, FF, E0, BC, A7, D9, B0, 95...
 
[+]

Entropy:
7.9537  (probably packed)

Code size:
24 KB (24,576 bytes)

Startup File (All Users Run)
Registry location:
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run

Name:
F5795B

Command:
C:\Windows\System32\f6a9d1\f5795b.exe


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

TCP (HTTP):
Connects to ec2-52-0-217-44.compute-1.amazonaws.com  (52.0.217.44:80)

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