vobfus | 66421231342307506a0bd637506c8b6c1195cebb5482a6fbb8ce51d8e3c989c9

General

Target

66421231342307506a0bd637506c8b6c1195cebb5482a6fbb8ce51d8e3c989c9.exe
Size

1.9MB
MD5

11c0aeb52a2fe203be0cfe0125925964
SHA1

240a179001f65535ae437890c58af55d464024a5
SHA256

66421231342307506a0bd637506c8b6c1195cebb5482a6fbb8ce51d8e3c989c9
SHA512

b42e3e233069ddd9c356ce18fd587c892b6aa7c9667e83b35234852d0de07b9c6b60e54ab988642ca6cb6e054982b1ea738d30883d2f23cde31001417059e7ef

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:

66421231342307506a0bd637506c8b6c1195cebb5482a6fbb8ce51d8e3c989c9.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run	66421231342307506a0bd637506c8b6c1195cebb5482a6fbb8ce51d8e3c989c9.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	66421231342307506a0bd637506c8b6c1195cebb5482a6fbb8ce51d8e3c989c9.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\run	66421231342307506a0bd637506c8b6c1195cebb5482a6fbb8ce51d8e3c989c9.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"	66421231342307506a0bd637506c8b6c1195cebb5482a6fbb8ce51d8e3c989c9.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

66421231342307506a0bd637506c8b6c1195cebb5482a6fbb8ce51d8e3c989c9.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	66421231342307506a0bd637506c8b6c1195cebb5482a6fbb8ce51d8e3c989c9.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	66421231342307506a0bd637506c8b6c1195cebb5482a6fbb8ce51d8e3c989c9.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run	66421231342307506a0bd637506c8b6c1195cebb5482a6fbb8ce51d8e3c989c9.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"	66421231342307506a0bd637506c8b6c1195cebb5482a6fbb8ce51d8e3c989c9.exe

Script User-Agent 2 IoCs

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

Processes:

description	flow	ioc
HTTP User-Agent header	26	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:

66421231342307506a0bd637506c8b6c1195cebb5482a6fbb8ce51d8e3c989c9.exe

pid process

3724 66421231342307506a0bd637506c8b6c1195cebb5482a6fbb8ce51d8e3c989c9.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

66421231342307506a0bd637506c8b6c1195cebb5482a6fbb8ce51d8e3c989c9.exe

pid process

3724 66421231342307506a0bd637506c8b6c1195cebb5482a6fbb8ce51d8e3c989c9.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

66421231342307506a0bd637506c8b6c1195cebb5482a6fbb8ce51d8e3c989c9.exe

pid	process
3724	66421231342307506a0bd637506c8b6c1195cebb5482a6fbb8ce51d8e3c989c9.exe
3724	66421231342307506a0bd637506c8b6c1195cebb5482a6fbb8ce51d8e3c989c9.exe

C:\Users\Admin\AppData\Local\Temp\66421231342307506a0bd637506c8b6c1195cebb5482a6fbb8ce51d8e3c989c9.exe
"C:\Users\Admin\AppData\Local\Temp\66421231342307506a0bd637506c8b6c1195cebb5482a6fbb8ce51d8e3c989c9.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:3724

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

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Downloads

memory/3724-114-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads