vobfus | c00a340c884454bc13c1d60baacdead017846b8122fe720112fdd5ebad1e7700

General

Target

c00a340c884454bc13c1d60baacdead017846b8122fe720112fdd5ebad1e7700.exe
Size

1.9MB
MD5

1e10c617422e53577aed7d2a3355ac60
SHA1

67de1539735053e1463fb80548465bffd322f415
SHA256

c00a340c884454bc13c1d60baacdead017846b8122fe720112fdd5ebad1e7700
SHA512

b4e95c7e95f8625596f08d67c6f964269ab981d8c358ccd00630e88c0e0000f133824d6ca8c6c12caa60918cc408c175a48ac5fecd11aa3fad1fb86e404fb56d

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:

c00a340c884454bc13c1d60baacdead017846b8122fe720112fdd5ebad1e7700.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	c00a340c884454bc13c1d60baacdead017846b8122fe720112fdd5ebad1e7700.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\run	c00a340c884454bc13c1d60baacdead017846b8122fe720112fdd5ebad1e7700.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"	c00a340c884454bc13c1d60baacdead017846b8122fe720112fdd5ebad1e7700.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run	c00a340c884454bc13c1d60baacdead017846b8122fe720112fdd5ebad1e7700.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

c00a340c884454bc13c1d60baacdead017846b8122fe720112fdd5ebad1e7700.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	c00a340c884454bc13c1d60baacdead017846b8122fe720112fdd5ebad1e7700.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	c00a340c884454bc13c1d60baacdead017846b8122fe720112fdd5ebad1e7700.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run	c00a340c884454bc13c1d60baacdead017846b8122fe720112fdd5ebad1e7700.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"	c00a340c884454bc13c1d60baacdead017846b8122fe720112fdd5ebad1e7700.exe

Script User-Agent 2 IoCs

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

Processes:

description	flow	ioc
HTTP User-Agent header	24	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	29	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

c00a340c884454bc13c1d60baacdead017846b8122fe720112fdd5ebad1e7700.exe

pid process

2112 c00a340c884454bc13c1d60baacdead017846b8122fe720112fdd5ebad1e7700.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

c00a340c884454bc13c1d60baacdead017846b8122fe720112fdd5ebad1e7700.exe

pid process

2112 c00a340c884454bc13c1d60baacdead017846b8122fe720112fdd5ebad1e7700.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

c00a340c884454bc13c1d60baacdead017846b8122fe720112fdd5ebad1e7700.exe

pid	process
2112	c00a340c884454bc13c1d60baacdead017846b8122fe720112fdd5ebad1e7700.exe
2112	c00a340c884454bc13c1d60baacdead017846b8122fe720112fdd5ebad1e7700.exe

C:\Users\Admin\AppData\Local\Temp\c00a340c884454bc13c1d60baacdead017846b8122fe720112fdd5ebad1e7700.exe
"C:\Users\Admin\AppData\Local\Temp\c00a340c884454bc13c1d60baacdead017846b8122fe720112fdd5ebad1e7700.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