vobfus | e51d3176c31c1c695542b23cb34f30a2f538af8ea760818bbadbb3fbe2ff627a

General

Target

e51d3176c31c1c695542b23cb34f30a2f538af8ea760818bbadbb3fbe2ff627a.exe
Size

1.9MB
MD5

ab1fd5d5b1d766c1fadbbc38a9f51aac
SHA1

3bda84b42dd9dc5832ba48cbdf7e1c870050f911
SHA256

e51d3176c31c1c695542b23cb34f30a2f538af8ea760818bbadbb3fbe2ff627a
SHA512

91e05ba4e9d2b39f7c2eb7fd2ad1b7943a8451204b58d0ee69d0bbaaded3d3e6b0e952d10a0cc978273c097d972c50f31f8bf9f80b3021cf46cb5c5b2454be06

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:

e51d3176c31c1c695542b23cb34f30a2f538af8ea760818bbadbb3fbe2ff627a.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\run	e51d3176c31c1c695542b23cb34f30a2f538af8ea760818bbadbb3fbe2ff627a.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	e51d3176c31c1c695542b23cb34f30a2f538af8ea760818bbadbb3fbe2ff627a.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run	e51d3176c31c1c695542b23cb34f30a2f538af8ea760818bbadbb3fbe2ff627a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	e51d3176c31c1c695542b23cb34f30a2f538af8ea760818bbadbb3fbe2ff627a.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

e51d3176c31c1c695542b23cb34f30a2f538af8ea760818bbadbb3fbe2ff627a.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run	e51d3176c31c1c695542b23cb34f30a2f538af8ea760818bbadbb3fbe2ff627a.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	e51d3176c31c1c695542b23cb34f30a2f538af8ea760818bbadbb3fbe2ff627a.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	e51d3176c31c1c695542b23cb34f30a2f538af8ea760818bbadbb3fbe2ff627a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	e51d3176c31c1c695542b23cb34f30a2f538af8ea760818bbadbb3fbe2ff627a.exe

Script User-Agent 2 IoCs

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

Processes:

description	flow	ioc
HTTP User-Agent header	16	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	25	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

e51d3176c31c1c695542b23cb34f30a2f538af8ea760818bbadbb3fbe2ff627a.exe

pid process

2016 e51d3176c31c1c695542b23cb34f30a2f538af8ea760818bbadbb3fbe2ff627a.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

e51d3176c31c1c695542b23cb34f30a2f538af8ea760818bbadbb3fbe2ff627a.exe

pid process

2016 e51d3176c31c1c695542b23cb34f30a2f538af8ea760818bbadbb3fbe2ff627a.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

e51d3176c31c1c695542b23cb34f30a2f538af8ea760818bbadbb3fbe2ff627a.exe

pid	process
2016	e51d3176c31c1c695542b23cb34f30a2f538af8ea760818bbadbb3fbe2ff627a.exe
2016	e51d3176c31c1c695542b23cb34f30a2f538af8ea760818bbadbb3fbe2ff627a.exe

C:\Users\Admin\AppData\Local\Temp\e51d3176c31c1c695542b23cb34f30a2f538af8ea760818bbadbb3fbe2ff627a.exe
"C:\Users\Admin\AppData\Local\Temp\e51d3176c31c1c695542b23cb34f30a2f538af8ea760818bbadbb3fbe2ff627a.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:2016

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

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Downloads

memory/2016-114-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads