vobfus | 69331f0428bca215d9feda80bff269ee4ec1e5ba3ff14006d2e9cffdd2b001eb

General

Target

69331f0428bca215d9feda80bff269ee4ec1e5ba3ff14006d2e9cffdd2b001eb.exe
Size

220KB
MD5

b502a45e7052e817cf870e483b71d0fa
SHA1

213f98ed876db4e27078d9f405d1c9b859faf5f3
SHA256

69331f0428bca215d9feda80bff269ee4ec1e5ba3ff14006d2e9cffdd2b001eb
SHA512

3f7bbda46f1a4c6d2ed55fc1e06efa491de1d94e31f8f0f6a37ec0f77e9b4c6c773eb1ef84ba5ec5074d7ea38731c4399f351137d5727db479d84f73a2ff961e

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:

69331f0428bca215d9feda80bff269ee4ec1e5ba3ff14006d2e9cffdd2b001eb.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run	69331f0428bca215d9feda80bff269ee4ec1e5ba3ff14006d2e9cffdd2b001eb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	69331f0428bca215d9feda80bff269ee4ec1e5ba3ff14006d2e9cffdd2b001eb.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\run	69331f0428bca215d9feda80bff269ee4ec1e5ba3ff14006d2e9cffdd2b001eb.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"	69331f0428bca215d9feda80bff269ee4ec1e5ba3ff14006d2e9cffdd2b001eb.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

69331f0428bca215d9feda80bff269ee4ec1e5ba3ff14006d2e9cffdd2b001eb.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	69331f0428bca215d9feda80bff269ee4ec1e5ba3ff14006d2e9cffdd2b001eb.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run	69331f0428bca215d9feda80bff269ee4ec1e5ba3ff14006d2e9cffdd2b001eb.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"	69331f0428bca215d9feda80bff269ee4ec1e5ba3ff14006d2e9cffdd2b001eb.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	69331f0428bca215d9feda80bff269ee4ec1e5ba3ff14006d2e9cffdd2b001eb.exe

Script User-Agent 2 IoCs

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

Processes:

description	flow	ioc
HTTP User-Agent header	23	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	25	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

69331f0428bca215d9feda80bff269ee4ec1e5ba3ff14006d2e9cffdd2b001eb.exe

pid process

1824 69331f0428bca215d9feda80bff269ee4ec1e5ba3ff14006d2e9cffdd2b001eb.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

69331f0428bca215d9feda80bff269ee4ec1e5ba3ff14006d2e9cffdd2b001eb.exe

pid process

1824 69331f0428bca215d9feda80bff269ee4ec1e5ba3ff14006d2e9cffdd2b001eb.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

69331f0428bca215d9feda80bff269ee4ec1e5ba3ff14006d2e9cffdd2b001eb.exe

pid	process
1824	69331f0428bca215d9feda80bff269ee4ec1e5ba3ff14006d2e9cffdd2b001eb.exe
1824	69331f0428bca215d9feda80bff269ee4ec1e5ba3ff14006d2e9cffdd2b001eb.exe

C:\Users\Admin\AppData\Local\Temp\69331f0428bca215d9feda80bff269ee4ec1e5ba3ff14006d2e9cffdd2b001eb.exe
"C:\Users\Admin\AppData\Local\Temp\69331f0428bca215d9feda80bff269ee4ec1e5ba3ff14006d2e9cffdd2b001eb.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:1824

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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