vobfus | f79311135bbfae51695016a9080c4dc076eeb28eeaaeaf17ac49ac13ee850d16

General

Target

f79311135bbfae51695016a9080c4dc076eeb28eeaaeaf17ac49ac13ee850d16.exe
Size

1.4MB
MD5

bac84c3f28352f8fe46aebfff76b0a4c
SHA1

0a317002bce511aae2d337c43bf9e2c830950ed1
SHA256

f79311135bbfae51695016a9080c4dc076eeb28eeaaeaf17ac49ac13ee850d16
SHA512

3b4916f7ac9bb7a0fed88f5c6ebbe540ee3797a7242ba3d0bcb0e88a68c4ee65332404c5adfdba070a6f8376c8f09407318dd4b6a62068ee12889fcc60e63197

Score

10^/10

vobfus persistence worm

Malware Config

Signatures

Vobfus
A widespread worm which spreads via network drives and removable media.
worm vobfus

Adds policy Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

f79311135bbfae51695016a9080c4dc076eeb28eeaaeaf17ac49ac13ee850d16.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run	f79311135bbfae51695016a9080c4dc076eeb28eeaaeaf17ac49ac13ee850d16.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	f79311135bbfae51695016a9080c4dc076eeb28eeaaeaf17ac49ac13ee850d16.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\run	f79311135bbfae51695016a9080c4dc076eeb28eeaaeaf17ac49ac13ee850d16.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	f79311135bbfae51695016a9080c4dc076eeb28eeaaeaf17ac49ac13ee850d16.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

f79311135bbfae51695016a9080c4dc076eeb28eeaaeaf17ac49ac13ee850d16.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	f79311135bbfae51695016a9080c4dc076eeb28eeaaeaf17ac49ac13ee850d16.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	f79311135bbfae51695016a9080c4dc076eeb28eeaaeaf17ac49ac13ee850d16.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run	f79311135bbfae51695016a9080c4dc076eeb28eeaaeaf17ac49ac13ee850d16.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	f79311135bbfae51695016a9080c4dc076eeb28eeaaeaf17ac49ac13ee850d16.exe

Script User-Agent 2 IoCs

Uses user-agent string associated with script host/environment.

Processes:

description	flow	ioc
HTTP User-Agent header	4	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	5	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

f79311135bbfae51695016a9080c4dc076eeb28eeaaeaf17ac49ac13ee850d16.exe

pid process

2004 f79311135bbfae51695016a9080c4dc076eeb28eeaaeaf17ac49ac13ee850d16.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

f79311135bbfae51695016a9080c4dc076eeb28eeaaeaf17ac49ac13ee850d16.exe

pid process

2004 f79311135bbfae51695016a9080c4dc076eeb28eeaaeaf17ac49ac13ee850d16.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

f79311135bbfae51695016a9080c4dc076eeb28eeaaeaf17ac49ac13ee850d16.exe

pid	process
2004	f79311135bbfae51695016a9080c4dc076eeb28eeaaeaf17ac49ac13ee850d16.exe
2004	f79311135bbfae51695016a9080c4dc076eeb28eeaaeaf17ac49ac13ee850d16.exe

C:\Users\Admin\AppData\Local\Temp\f79311135bbfae51695016a9080c4dc076eeb28eeaaeaf17ac49ac13ee850d16.exe
"C:\Users\Admin\AppData\Local\Temp\f79311135bbfae51695016a9080c4dc076eeb28eeaaeaf17ac49ac13ee850d16.exe"
1⤵
- Adds policy Run key to start application
- Adds Run key to start application
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
PID:2004

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

2

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/2004-59-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads