vobfus | 36dc80ee3cfb155682f22cd0b117465428ce3c19311078ee70308e3873dc8ec8

General

Target

36dc80ee3cfb155682f22cd0b117465428ce3c19311078ee70308e3873dc8ec8.exe
Size

318KB
MD5

bd29583d383b0606c66513909ce777c2
SHA1

f2f9a47c89fe34f976b65f464024190195ecba35
SHA256

36dc80ee3cfb155682f22cd0b117465428ce3c19311078ee70308e3873dc8ec8
SHA512

9995206d48d9643195deadc23860ed28a329872ae23ea34e171c8db917c38fee66de061eeeb62f3db2daad2ec48fe7e514705d7093eb74c9ef5d2526e38945d1

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:

36dc80ee3cfb155682f22cd0b117465428ce3c19311078ee70308e3873dc8ec8.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	36dc80ee3cfb155682f22cd0b117465428ce3c19311078ee70308e3873dc8ec8.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\run	36dc80ee3cfb155682f22cd0b117465428ce3c19311078ee70308e3873dc8ec8.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"	36dc80ee3cfb155682f22cd0b117465428ce3c19311078ee70308e3873dc8ec8.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run	36dc80ee3cfb155682f22cd0b117465428ce3c19311078ee70308e3873dc8ec8.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

36dc80ee3cfb155682f22cd0b117465428ce3c19311078ee70308e3873dc8ec8.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	36dc80ee3cfb155682f22cd0b117465428ce3c19311078ee70308e3873dc8ec8.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	36dc80ee3cfb155682f22cd0b117465428ce3c19311078ee70308e3873dc8ec8.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run	36dc80ee3cfb155682f22cd0b117465428ce3c19311078ee70308e3873dc8ec8.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"	36dc80ee3cfb155682f22cd0b117465428ce3c19311078ee70308e3873dc8ec8.exe

Script User-Agent 2 IoCs

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

Processes:

description	flow	ioc
HTTP User-Agent header	5	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	6	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

36dc80ee3cfb155682f22cd0b117465428ce3c19311078ee70308e3873dc8ec8.exe

pid process

1688 36dc80ee3cfb155682f22cd0b117465428ce3c19311078ee70308e3873dc8ec8.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

36dc80ee3cfb155682f22cd0b117465428ce3c19311078ee70308e3873dc8ec8.exe

pid process

1688 36dc80ee3cfb155682f22cd0b117465428ce3c19311078ee70308e3873dc8ec8.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

36dc80ee3cfb155682f22cd0b117465428ce3c19311078ee70308e3873dc8ec8.exe

pid	process
1688	36dc80ee3cfb155682f22cd0b117465428ce3c19311078ee70308e3873dc8ec8.exe
1688	36dc80ee3cfb155682f22cd0b117465428ce3c19311078ee70308e3873dc8ec8.exe

C:\Users\Admin\AppData\Local\Temp\36dc80ee3cfb155682f22cd0b117465428ce3c19311078ee70308e3873dc8ec8.exe
"C:\Users\Admin\AppData\Local\Temp\36dc80ee3cfb155682f22cd0b117465428ce3c19311078ee70308e3873dc8ec8.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:1688

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1688-60-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads