vobfus | 4afc73a0aae35d18bc18239df2efb48bd76335ffee4a3e042f6617c10f867227

General

Target

4afc73a0aae35d18bc18239df2efb48bd76335ffee4a3e042f6617c10f867227.exe
Size

261KB
MD5

ca1e0a13c7a31f84d9ef83e9e64c04b0
SHA1

a1b6bcabf688cb8677f7298601f12bd96cdcd16b
SHA256

4afc73a0aae35d18bc18239df2efb48bd76335ffee4a3e042f6617c10f867227
SHA512

29454bb95f4caa7bdfba74bbbd503ed3664d4ea4d918c05c354fc821bc2281244bc1e3d635aaf0cd1c0333244589478dc166d971b1e1688041d00815474a63eb

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:

4afc73a0aae35d18bc18239df2efb48bd76335ffee4a3e042f6617c10f867227.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run	4afc73a0aae35d18bc18239df2efb48bd76335ffee4a3e042f6617c10f867227.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	4afc73a0aae35d18bc18239df2efb48bd76335ffee4a3e042f6617c10f867227.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\run	4afc73a0aae35d18bc18239df2efb48bd76335ffee4a3e042f6617c10f867227.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"	4afc73a0aae35d18bc18239df2efb48bd76335ffee4a3e042f6617c10f867227.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

4afc73a0aae35d18bc18239df2efb48bd76335ffee4a3e042f6617c10f867227.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	4afc73a0aae35d18bc18239df2efb48bd76335ffee4a3e042f6617c10f867227.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	4afc73a0aae35d18bc18239df2efb48bd76335ffee4a3e042f6617c10f867227.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run	4afc73a0aae35d18bc18239df2efb48bd76335ffee4a3e042f6617c10f867227.exe
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"	4afc73a0aae35d18bc18239df2efb48bd76335ffee4a3e042f6617c10f867227.exe

Script User-Agent 2 IoCs

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

Processes:

description	flow	ioc
HTTP User-Agent header	25	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	27	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

4afc73a0aae35d18bc18239df2efb48bd76335ffee4a3e042f6617c10f867227.exe

pid process

2112 4afc73a0aae35d18bc18239df2efb48bd76335ffee4a3e042f6617c10f867227.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

4afc73a0aae35d18bc18239df2efb48bd76335ffee4a3e042f6617c10f867227.exe

pid process

2112 4afc73a0aae35d18bc18239df2efb48bd76335ffee4a3e042f6617c10f867227.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

4afc73a0aae35d18bc18239df2efb48bd76335ffee4a3e042f6617c10f867227.exe

pid	process
2112	4afc73a0aae35d18bc18239df2efb48bd76335ffee4a3e042f6617c10f867227.exe
2112	4afc73a0aae35d18bc18239df2efb48bd76335ffee4a3e042f6617c10f867227.exe

C:\Users\Admin\AppData\Local\Temp\4afc73a0aae35d18bc18239df2efb48bd76335ffee4a3e042f6617c10f867227.exe
"C:\Users\Admin\AppData\Local\Temp\4afc73a0aae35d18bc18239df2efb48bd76335ffee4a3e042f6617c10f867227.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:2112

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/2112-114-0x0000000000400000-0x0000000000434000-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