vobfus | 50d6a59655520a20c7c41a775b9b7335bf0ba06f28de08bb5da047134d71fe00

General

Target

50d6a59655520a20c7c41a775b9b7335bf0ba06f28de08bb5da047134d71fe00.exe
Size

1.9MB
MD5

bd06a8a4c189b8aefc25a7bb0d6c672b
SHA1

d09bd8f0b9846ae04e1b790cb999a203e4b8fd7d
SHA256

50d6a59655520a20c7c41a775b9b7335bf0ba06f28de08bb5da047134d71fe00
SHA512

7838d3d2541c99b6741ce2b461672dced09e5e0f49424d52ba0330ab566d4cf9b6bab63414bc67fc721ffc371086a25dc9149d1b1c52933c445149a9983133ae

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:

50d6a59655520a20c7c41a775b9b7335bf0ba06f28de08bb5da047134d71fe00.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run	50d6a59655520a20c7c41a775b9b7335bf0ba06f28de08bb5da047134d71fe00.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	50d6a59655520a20c7c41a775b9b7335bf0ba06f28de08bb5da047134d71fe00.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\run	50d6a59655520a20c7c41a775b9b7335bf0ba06f28de08bb5da047134d71fe00.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"	50d6a59655520a20c7c41a775b9b7335bf0ba06f28de08bb5da047134d71fe00.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

50d6a59655520a20c7c41a775b9b7335bf0ba06f28de08bb5da047134d71fe00.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	50d6a59655520a20c7c41a775b9b7335bf0ba06f28de08bb5da047134d71fe00.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	50d6a59655520a20c7c41a775b9b7335bf0ba06f28de08bb5da047134d71fe00.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run	50d6a59655520a20c7c41a775b9b7335bf0ba06f28de08bb5da047134d71fe00.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"	50d6a59655520a20c7c41a775b9b7335bf0ba06f28de08bb5da047134d71fe00.exe

Script User-Agent 2 IoCs

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

Processes:

description	flow	ioc
HTTP User-Agent header	6	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	9	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

50d6a59655520a20c7c41a775b9b7335bf0ba06f28de08bb5da047134d71fe00.exe

pid process

752 50d6a59655520a20c7c41a775b9b7335bf0ba06f28de08bb5da047134d71fe00.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

50d6a59655520a20c7c41a775b9b7335bf0ba06f28de08bb5da047134d71fe00.exe

pid process

752 50d6a59655520a20c7c41a775b9b7335bf0ba06f28de08bb5da047134d71fe00.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

50d6a59655520a20c7c41a775b9b7335bf0ba06f28de08bb5da047134d71fe00.exe

pid	process
752	50d6a59655520a20c7c41a775b9b7335bf0ba06f28de08bb5da047134d71fe00.exe
752	50d6a59655520a20c7c41a775b9b7335bf0ba06f28de08bb5da047134d71fe00.exe

C:\Users\Admin\AppData\Local\Temp\50d6a59655520a20c7c41a775b9b7335bf0ba06f28de08bb5da047134d71fe00.exe
"C:\Users\Admin\AppData\Local\Temp\50d6a59655520a20c7c41a775b9b7335bf0ba06f28de08bb5da047134d71fe00.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:752

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/752-59-0x0000000000400000-0x0000000000434000-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