vobfus | 12e4c7c8011631d100005518d2dbb04fbae7309febba1994563f74ab354ce9c1

General

Target

12e4c7c8011631d100005518d2dbb04fbae7309febba1994563f74ab354ce9c1.exe
Size

13.9MB
MD5

03af65ad0d66cb51d1f2e7d6269820e7
SHA1

1796ab869b8a054f98ac3dca59f7b86f2dd3ff1d
SHA256

12e4c7c8011631d100005518d2dbb04fbae7309febba1994563f74ab354ce9c1
SHA512

ae6f0cdd63beda9ad58c14658ae5d0229517fdb349d548dabb89edb0a82b1a46009c81ee33600eed9a7b1487241ed114e447568d192e6f3e02715c5ac1669488

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:

12e4c7c8011631d100005518d2dbb04fbae7309febba1994563f74ab354ce9c1.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run	12e4c7c8011631d100005518d2dbb04fbae7309febba1994563f74ab354ce9c1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	12e4c7c8011631d100005518d2dbb04fbae7309febba1994563f74ab354ce9c1.exe
Key created	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\run	12e4c7c8011631d100005518d2dbb04fbae7309febba1994563f74ab354ce9c1.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	12e4c7c8011631d100005518d2dbb04fbae7309febba1994563f74ab354ce9c1.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

12e4c7c8011631d100005518d2dbb04fbae7309febba1994563f74ab354ce9c1.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Windows\CurrentVersion\Run	12e4c7c8011631d100005518d2dbb04fbae7309febba1994563f74ab354ce9c1.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	12e4c7c8011631d100005518d2dbb04fbae7309febba1994563f74ab354ce9c1.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	12e4c7c8011631d100005518d2dbb04fbae7309febba1994563f74ab354ce9c1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	12e4c7c8011631d100005518d2dbb04fbae7309febba1994563f74ab354ce9c1.exe

Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.

Processes:

description flow ioc

HTTP User-Agent header 23 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

12e4c7c8011631d100005518d2dbb04fbae7309febba1994563f74ab354ce9c1.exe

pid process

2760 12e4c7c8011631d100005518d2dbb04fbae7309febba1994563f74ab354ce9c1.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

12e4c7c8011631d100005518d2dbb04fbae7309febba1994563f74ab354ce9c1.exe

pid process

2760 12e4c7c8011631d100005518d2dbb04fbae7309febba1994563f74ab354ce9c1.exe

description	flow	ioc
HTTP User-Agent header	23	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

12e4c7c8011631d100005518d2dbb04fbae7309febba1994563f74ab354ce9c1.exe

pid	process
2760	12e4c7c8011631d100005518d2dbb04fbae7309febba1994563f74ab354ce9c1.exe
2760	12e4c7c8011631d100005518d2dbb04fbae7309febba1994563f74ab354ce9c1.exe

C:\Users\Admin\AppData\Local\Temp\12e4c7c8011631d100005518d2dbb04fbae7309febba1994563f74ab354ce9c1.exe
"C:\Users\Admin\AppData\Local\Temp\12e4c7c8011631d100005518d2dbb04fbae7309febba1994563f74ab354ce9c1.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:2760

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/2760-131-0x0000000000400000-0x0000000000434000-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