vobfus | e8763181253dddaa1fa87489d2bb126fb977204c387022ce97c4ad614f1b2200

General

Target

e8763181253dddaa1fa87489d2bb126fb977204c387022ce97c4ad614f1b2200.exe
Size

445KB
MD5

b15e2db4baadcb1bf884b54d732f051b
SHA1

6058f9c6862c6ca293c3a6c1c651cb8e8a2ef0bc
SHA256

e8763181253dddaa1fa87489d2bb126fb977204c387022ce97c4ad614f1b2200
SHA512

9409cee889c5c993f6576580c6c9849b68ac894987da8fcc6c301e61eff579b14299d986374dbe7536770b2ad54138c1ce32509b6903466819d491bbcc52d43a

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:

e8763181253dddaa1fa87489d2bb126fb977204c387022ce97c4ad614f1b2200.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run	e8763181253dddaa1fa87489d2bb126fb977204c387022ce97c4ad614f1b2200.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	e8763181253dddaa1fa87489d2bb126fb977204c387022ce97c4ad614f1b2200.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\run	e8763181253dddaa1fa87489d2bb126fb977204c387022ce97c4ad614f1b2200.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"	e8763181253dddaa1fa87489d2bb126fb977204c387022ce97c4ad614f1b2200.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

e8763181253dddaa1fa87489d2bb126fb977204c387022ce97c4ad614f1b2200.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	e8763181253dddaa1fa87489d2bb126fb977204c387022ce97c4ad614f1b2200.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	e8763181253dddaa1fa87489d2bb126fb977204c387022ce97c4ad614f1b2200.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run	e8763181253dddaa1fa87489d2bb126fb977204c387022ce97c4ad614f1b2200.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"	e8763181253dddaa1fa87489d2bb126fb977204c387022ce97c4ad614f1b2200.exe

Script User-Agent 2 IoCs

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

Processes:

description	flow	ioc
HTTP User-Agent header	16	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	23	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

e8763181253dddaa1fa87489d2bb126fb977204c387022ce97c4ad614f1b2200.exe

pid process

3904 e8763181253dddaa1fa87489d2bb126fb977204c387022ce97c4ad614f1b2200.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

e8763181253dddaa1fa87489d2bb126fb977204c387022ce97c4ad614f1b2200.exe

pid process

3904 e8763181253dddaa1fa87489d2bb126fb977204c387022ce97c4ad614f1b2200.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

e8763181253dddaa1fa87489d2bb126fb977204c387022ce97c4ad614f1b2200.exe

pid	process
3904	e8763181253dddaa1fa87489d2bb126fb977204c387022ce97c4ad614f1b2200.exe
3904	e8763181253dddaa1fa87489d2bb126fb977204c387022ce97c4ad614f1b2200.exe

C:\Users\Admin\AppData\Local\Temp\e8763181253dddaa1fa87489d2bb126fb977204c387022ce97c4ad614f1b2200.exe
"C:\Users\Admin\AppData\Local\Temp\e8763181253dddaa1fa87489d2bb126fb977204c387022ce97c4ad614f1b2200.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:3904

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/3904-114-0x0000000000400000-0x0000000000434000-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