vobfus | 62a56654ec665299f83c7dfc27574a7dc27f520cd752a03475216fe576508b14

General

Target

62a56654ec665299f83c7dfc27574a7dc27f520cd752a03475216fe576508b14.exe
Size

1.9MB
MD5

b9b87b36640277fa70b2c61bb45f8747
SHA1

782f7d9cc49cead84dad40638f60f89ca86779ea
SHA256

62a56654ec665299f83c7dfc27574a7dc27f520cd752a03475216fe576508b14
SHA512

218f9e3d2e50350c338cd939fe5d3b10f6f8f11af522ae805a95653ba23f527cfb0c122711dd74d7bfd7c6edfe9cd8b06128010bb1186e8ae6296f8de9e12e26

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:

62a56654ec665299f83c7dfc27574a7dc27f520cd752a03475216fe576508b14.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run	62a56654ec665299f83c7dfc27574a7dc27f520cd752a03475216fe576508b14.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	62a56654ec665299f83c7dfc27574a7dc27f520cd752a03475216fe576508b14.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\run	62a56654ec665299f83c7dfc27574a7dc27f520cd752a03475216fe576508b14.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"	62a56654ec665299f83c7dfc27574a7dc27f520cd752a03475216fe576508b14.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

62a56654ec665299f83c7dfc27574a7dc27f520cd752a03475216fe576508b14.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	62a56654ec665299f83c7dfc27574a7dc27f520cd752a03475216fe576508b14.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	62a56654ec665299f83c7dfc27574a7dc27f520cd752a03475216fe576508b14.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run	62a56654ec665299f83c7dfc27574a7dc27f520cd752a03475216fe576508b14.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"	62a56654ec665299f83c7dfc27574a7dc27f520cd752a03475216fe576508b14.exe

Script User-Agent 2 IoCs

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

Processes:

description	flow	ioc
HTTP User-Agent header	4	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	5	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

62a56654ec665299f83c7dfc27574a7dc27f520cd752a03475216fe576508b14.exe

pid process

1420 62a56654ec665299f83c7dfc27574a7dc27f520cd752a03475216fe576508b14.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

62a56654ec665299f83c7dfc27574a7dc27f520cd752a03475216fe576508b14.exe

pid process

1420 62a56654ec665299f83c7dfc27574a7dc27f520cd752a03475216fe576508b14.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

62a56654ec665299f83c7dfc27574a7dc27f520cd752a03475216fe576508b14.exe

pid	process
1420	62a56654ec665299f83c7dfc27574a7dc27f520cd752a03475216fe576508b14.exe
1420	62a56654ec665299f83c7dfc27574a7dc27f520cd752a03475216fe576508b14.exe

C:\Users\Admin\AppData\Local\Temp\62a56654ec665299f83c7dfc27574a7dc27f520cd752a03475216fe576508b14.exe
"C:\Users\Admin\AppData\Local\Temp\62a56654ec665299f83c7dfc27574a7dc27f520cd752a03475216fe576508b14.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:1420

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/1420-59-0x0000000000400000-0x0000000000434000-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