vobfus | 9032e87f7e47d14f6b6d262d4c502925ea65b757671071d92dc4daf495531dc5

General

Target

9032e87f7e47d14f6b6d262d4c502925ea65b757671071d92dc4daf495531dc5.exe
Size

1.9MB
MD5

bde00f3401a2d8e6cef6233a6534a056
SHA1

3b78951110757914f2e2e45541a71910216846db
SHA256

9032e87f7e47d14f6b6d262d4c502925ea65b757671071d92dc4daf495531dc5
SHA512

c9c0161b50df4cb4db0acd66a60fb0d89e93d27a0c0b6fc0e6f56f46b56fc2a515b7d53b0d6f555f6e72140b50bd93b9fe7dded893ffb9cd025f8aaa92c6a392

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:

9032e87f7e47d14f6b6d262d4c502925ea65b757671071d92dc4daf495531dc5.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run	9032e87f7e47d14f6b6d262d4c502925ea65b757671071d92dc4daf495531dc5.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	9032e87f7e47d14f6b6d262d4c502925ea65b757671071d92dc4daf495531dc5.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\run	9032e87f7e47d14f6b6d262d4c502925ea65b757671071d92dc4daf495531dc5.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	9032e87f7e47d14f6b6d262d4c502925ea65b757671071d92dc4daf495531dc5.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

9032e87f7e47d14f6b6d262d4c502925ea65b757671071d92dc4daf495531dc5.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	9032e87f7e47d14f6b6d262d4c502925ea65b757671071d92dc4daf495531dc5.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	9032e87f7e47d14f6b6d262d4c502925ea65b757671071d92dc4daf495531dc5.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	9032e87f7e47d14f6b6d262d4c502925ea65b757671071d92dc4daf495531dc5.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run	9032e87f7e47d14f6b6d262d4c502925ea65b757671071d92dc4daf495531dc5.exe

Script User-Agent 2 IoCs

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

Processes:

description	flow	ioc
HTTP User-Agent header	27	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	33	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

9032e87f7e47d14f6b6d262d4c502925ea65b757671071d92dc4daf495531dc5.exe

pid process

3952 9032e87f7e47d14f6b6d262d4c502925ea65b757671071d92dc4daf495531dc5.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

9032e87f7e47d14f6b6d262d4c502925ea65b757671071d92dc4daf495531dc5.exe

pid process

3952 9032e87f7e47d14f6b6d262d4c502925ea65b757671071d92dc4daf495531dc5.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

9032e87f7e47d14f6b6d262d4c502925ea65b757671071d92dc4daf495531dc5.exe

pid	process
3952	9032e87f7e47d14f6b6d262d4c502925ea65b757671071d92dc4daf495531dc5.exe
3952	9032e87f7e47d14f6b6d262d4c502925ea65b757671071d92dc4daf495531dc5.exe

C:\Users\Admin\AppData\Local\Temp\9032e87f7e47d14f6b6d262d4c502925ea65b757671071d92dc4daf495531dc5.exe
"C:\Users\Admin\AppData\Local\Temp\9032e87f7e47d14f6b6d262d4c502925ea65b757671071d92dc4daf495531dc5.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:3952

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/3952-114-0x0000000000400000-0x0000000000434000-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