vobfus | 5a022fe8083022077613428a95fc31ed0b2dd31f62d19f1bee8e3232d0d1dccf

General

Target

5a022fe8083022077613428a95fc31ed0b2dd31f62d19f1bee8e3232d0d1dccf.exe
Size

763KB
MD5

b4a87eeff610cd3dd8227e115ca9f72f
SHA1

c9745311b84ef579399b6cbfecfc4c521f85ebea
SHA256

5a022fe8083022077613428a95fc31ed0b2dd31f62d19f1bee8e3232d0d1dccf
SHA512

d98c0ef7a86f02354f456a4039f4ef0259278c7756fb47503f134ab165cd93819f310d6d71e055042f4420d569d20a74cfc18605b1ea35380ff84e0ac94936e4

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:

5a022fe8083022077613428a95fc31ed0b2dd31f62d19f1bee8e3232d0d1dccf.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run	5a022fe8083022077613428a95fc31ed0b2dd31f62d19f1bee8e3232d0d1dccf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	5a022fe8083022077613428a95fc31ed0b2dd31f62d19f1bee8e3232d0d1dccf.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\run	5a022fe8083022077613428a95fc31ed0b2dd31f62d19f1bee8e3232d0d1dccf.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"	5a022fe8083022077613428a95fc31ed0b2dd31f62d19f1bee8e3232d0d1dccf.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

5a022fe8083022077613428a95fc31ed0b2dd31f62d19f1bee8e3232d0d1dccf.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"	5a022fe8083022077613428a95fc31ed0b2dd31f62d19f1bee8e3232d0d1dccf.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	5a022fe8083022077613428a95fc31ed0b2dd31f62d19f1bee8e3232d0d1dccf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	5a022fe8083022077613428a95fc31ed0b2dd31f62d19f1bee8e3232d0d1dccf.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run	5a022fe8083022077613428a95fc31ed0b2dd31f62d19f1bee8e3232d0d1dccf.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:

5a022fe8083022077613428a95fc31ed0b2dd31f62d19f1bee8e3232d0d1dccf.exe

pid process

2004 5a022fe8083022077613428a95fc31ed0b2dd31f62d19f1bee8e3232d0d1dccf.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

5a022fe8083022077613428a95fc31ed0b2dd31f62d19f1bee8e3232d0d1dccf.exe

pid process

2004 5a022fe8083022077613428a95fc31ed0b2dd31f62d19f1bee8e3232d0d1dccf.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

5a022fe8083022077613428a95fc31ed0b2dd31f62d19f1bee8e3232d0d1dccf.exe

pid	process
2004	5a022fe8083022077613428a95fc31ed0b2dd31f62d19f1bee8e3232d0d1dccf.exe
2004	5a022fe8083022077613428a95fc31ed0b2dd31f62d19f1bee8e3232d0d1dccf.exe

C:\Users\Admin\AppData\Local\Temp\5a022fe8083022077613428a95fc31ed0b2dd31f62d19f1bee8e3232d0d1dccf.exe
"C:\Users\Admin\AppData\Local\Temp\5a022fe8083022077613428a95fc31ed0b2dd31f62d19f1bee8e3232d0d1dccf.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/2004-59-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads