vobfus | 5d7abf9b0462b7802818c6f35dd3f4126ae27de51367ea8432772325e0a796cd

General

Target

5d7abf9b0462b7802818c6f35dd3f4126ae27de51367ea8432772325e0a796cd.exe
Size

1.9MB
MD5

b64dd47f7c90a33a2168291d61e87343
SHA1

14a144fe079d6c07f6b8274f856afc0f983579b4
SHA256

5d7abf9b0462b7802818c6f35dd3f4126ae27de51367ea8432772325e0a796cd
SHA512

42638a9238a5aca4de4399a89536db0c65de6b8325bcd45dc86eff3d99f6dc9fad52e0e8b7e06cba7136f61de3da781a7559891275e81ac96a590520bc25df19

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:

5d7abf9b0462b7802818c6f35dd3f4126ae27de51367ea8432772325e0a796cd.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run	5d7abf9b0462b7802818c6f35dd3f4126ae27de51367ea8432772325e0a796cd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	5d7abf9b0462b7802818c6f35dd3f4126ae27de51367ea8432772325e0a796cd.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\run	5d7abf9b0462b7802818c6f35dd3f4126ae27de51367ea8432772325e0a796cd.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"	5d7abf9b0462b7802818c6f35dd3f4126ae27de51367ea8432772325e0a796cd.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

5d7abf9b0462b7802818c6f35dd3f4126ae27de51367ea8432772325e0a796cd.exe

description	ioc	process
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"	5d7abf9b0462b7802818c6f35dd3f4126ae27de51367ea8432772325e0a796cd.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	5d7abf9b0462b7802818c6f35dd3f4126ae27de51367ea8432772325e0a796cd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	5d7abf9b0462b7802818c6f35dd3f4126ae27de51367ea8432772325e0a796cd.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run	5d7abf9b0462b7802818c6f35dd3f4126ae27de51367ea8432772325e0a796cd.exe

Script User-Agent 2 IoCs

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

Processes:

description	flow	ioc
HTTP User-Agent header	5	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	6	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

5d7abf9b0462b7802818c6f35dd3f4126ae27de51367ea8432772325e0a796cd.exe

pid process

792 5d7abf9b0462b7802818c6f35dd3f4126ae27de51367ea8432772325e0a796cd.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

5d7abf9b0462b7802818c6f35dd3f4126ae27de51367ea8432772325e0a796cd.exe

pid process

792 5d7abf9b0462b7802818c6f35dd3f4126ae27de51367ea8432772325e0a796cd.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

5d7abf9b0462b7802818c6f35dd3f4126ae27de51367ea8432772325e0a796cd.exe

pid	process
792	5d7abf9b0462b7802818c6f35dd3f4126ae27de51367ea8432772325e0a796cd.exe
792	5d7abf9b0462b7802818c6f35dd3f4126ae27de51367ea8432772325e0a796cd.exe

C:\Users\Admin\AppData\Local\Temp\5d7abf9b0462b7802818c6f35dd3f4126ae27de51367ea8432772325e0a796cd.exe
"C:\Users\Admin\AppData\Local\Temp\5d7abf9b0462b7802818c6f35dd3f4126ae27de51367ea8432772325e0a796cd.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:792

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/792-60-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads