vobfus | a16891d5861af227e4c4046df71cccb27fba09b87308a4be944121d06237ca30

General

Target

a16891d5861af227e4c4046df71cccb27fba09b87308a4be944121d06237ca30.exe
Size

763KB
MD5

b4c8510f73ab9e4ac04621716991d442
SHA1

cae5678dc6641d69395d927b7eb10a89e6a984bd
SHA256

a16891d5861af227e4c4046df71cccb27fba09b87308a4be944121d06237ca30
SHA512

08190328210fa5d443b2022b889d8892915fd79f51dccf0dc265f0d980cd7897fffbfd7741198e5befc139b3f30bed7fb77e5f1d3fe5def5bb03c2473c3c588b

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:

a16891d5861af227e4c4046df71cccb27fba09b87308a4be944121d06237ca30.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run	a16891d5861af227e4c4046df71cccb27fba09b87308a4be944121d06237ca30.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	a16891d5861af227e4c4046df71cccb27fba09b87308a4be944121d06237ca30.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\run	a16891d5861af227e4c4046df71cccb27fba09b87308a4be944121d06237ca30.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"	a16891d5861af227e4c4046df71cccb27fba09b87308a4be944121d06237ca30.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

a16891d5861af227e4c4046df71cccb27fba09b87308a4be944121d06237ca30.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	a16891d5861af227e4c4046df71cccb27fba09b87308a4be944121d06237ca30.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	a16891d5861af227e4c4046df71cccb27fba09b87308a4be944121d06237ca30.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run	a16891d5861af227e4c4046df71cccb27fba09b87308a4be944121d06237ca30.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"	a16891d5861af227e4c4046df71cccb27fba09b87308a4be944121d06237ca30.exe

Script User-Agent 2 IoCs

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

Processes:

description	flow	ioc
HTTP User-Agent header	7	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:

a16891d5861af227e4c4046df71cccb27fba09b87308a4be944121d06237ca30.exe

pid process

1056 a16891d5861af227e4c4046df71cccb27fba09b87308a4be944121d06237ca30.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

a16891d5861af227e4c4046df71cccb27fba09b87308a4be944121d06237ca30.exe

pid process

1056 a16891d5861af227e4c4046df71cccb27fba09b87308a4be944121d06237ca30.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

a16891d5861af227e4c4046df71cccb27fba09b87308a4be944121d06237ca30.exe

pid	process
1056	a16891d5861af227e4c4046df71cccb27fba09b87308a4be944121d06237ca30.exe
1056	a16891d5861af227e4c4046df71cccb27fba09b87308a4be944121d06237ca30.exe

C:\Users\Admin\AppData\Local\Temp\a16891d5861af227e4c4046df71cccb27fba09b87308a4be944121d06237ca30.exe
"C:\Users\Admin\AppData\Local\Temp\a16891d5861af227e4c4046df71cccb27fba09b87308a4be944121d06237ca30.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:1056

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/1056-60-0x0000000000400000-0x0000000000434000-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