vobfus | 7ecf4a6a29eea749b5af6b688c19b0836c16155e36b3f4775df9dee59c6ce0f2

General

Target

7ecf4a6a29eea749b5af6b688c19b0836c16155e36b3f4775df9dee59c6ce0f2.exe
Size

317KB
MD5

b8f42fba3bd2dedcc796ec6c1ba3090f
SHA1

9b207f33ef33ed4cf6350afcf0ff0305d18e6c2e
SHA256

7ecf4a6a29eea749b5af6b688c19b0836c16155e36b3f4775df9dee59c6ce0f2
SHA512

99246f48e462db042fe3538e47b93d91cdb625023eacaa2e597cc2b5c8ee6a4b92fd7087ca02730a0ce2845059a623d41de6c8c7a334bce21da88819920081c9

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:

7ecf4a6a29eea749b5af6b688c19b0836c16155e36b3f4775df9dee59c6ce0f2.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run	7ecf4a6a29eea749b5af6b688c19b0836c16155e36b3f4775df9dee59c6ce0f2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	7ecf4a6a29eea749b5af6b688c19b0836c16155e36b3f4775df9dee59c6ce0f2.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\run	7ecf4a6a29eea749b5af6b688c19b0836c16155e36b3f4775df9dee59c6ce0f2.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"	7ecf4a6a29eea749b5af6b688c19b0836c16155e36b3f4775df9dee59c6ce0f2.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

7ecf4a6a29eea749b5af6b688c19b0836c16155e36b3f4775df9dee59c6ce0f2.exe

description	ioc	process
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"	7ecf4a6a29eea749b5af6b688c19b0836c16155e36b3f4775df9dee59c6ce0f2.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	7ecf4a6a29eea749b5af6b688c19b0836c16155e36b3f4775df9dee59c6ce0f2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	7ecf4a6a29eea749b5af6b688c19b0836c16155e36b3f4775df9dee59c6ce0f2.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run	7ecf4a6a29eea749b5af6b688c19b0836c16155e36b3f4775df9dee59c6ce0f2.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:

7ecf4a6a29eea749b5af6b688c19b0836c16155e36b3f4775df9dee59c6ce0f2.exe

pid process

2004 7ecf4a6a29eea749b5af6b688c19b0836c16155e36b3f4775df9dee59c6ce0f2.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

7ecf4a6a29eea749b5af6b688c19b0836c16155e36b3f4775df9dee59c6ce0f2.exe

pid process

2004 7ecf4a6a29eea749b5af6b688c19b0836c16155e36b3f4775df9dee59c6ce0f2.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

7ecf4a6a29eea749b5af6b688c19b0836c16155e36b3f4775df9dee59c6ce0f2.exe

pid	process
2004	7ecf4a6a29eea749b5af6b688c19b0836c16155e36b3f4775df9dee59c6ce0f2.exe
2004	7ecf4a6a29eea749b5af6b688c19b0836c16155e36b3f4775df9dee59c6ce0f2.exe

C:\Users\Admin\AppData\Local\Temp\7ecf4a6a29eea749b5af6b688c19b0836c16155e36b3f4775df9dee59c6ce0f2.exe
"C:\Users\Admin\AppData\Local\Temp\7ecf4a6a29eea749b5af6b688c19b0836c16155e36b3f4775df9dee59c6ce0f2.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 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/2004-60-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads