vobfus | fe2d553751f59ac2ab15a645f44b71813a1f05594b05339fff22478055ed35d7

General

Target

fe2d553751f59ac2ab15a645f44b71813a1f05594b05339fff22478055ed35d7.exe
Size

197KB
MD5

03f8e5ce42d38c1253b7a0ef8329a90f
SHA1

18bbb277450de26d48e7fb1e69f701045cf541c8
SHA256

fe2d553751f59ac2ab15a645f44b71813a1f05594b05339fff22478055ed35d7
SHA512

464d3af2edab012a9b5afeeaf7cd05e4579250e63326ee9a9ee84e7dfe3558e418226bfb21ef570b111ff42db894898cecc857d3c3be4bb4e13da1e4a0a13693

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:

fe2d553751f59ac2ab15a645f44b71813a1f05594b05339fff22478055ed35d7.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run	fe2d553751f59ac2ab15a645f44b71813a1f05594b05339fff22478055ed35d7.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	fe2d553751f59ac2ab15a645f44b71813a1f05594b05339fff22478055ed35d7.exe
Key created	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\run	fe2d553751f59ac2ab15a645f44b71813a1f05594b05339fff22478055ed35d7.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	fe2d553751f59ac2ab15a645f44b71813a1f05594b05339fff22478055ed35d7.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

fe2d553751f59ac2ab15a645f44b71813a1f05594b05339fff22478055ed35d7.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	fe2d553751f59ac2ab15a645f44b71813a1f05594b05339fff22478055ed35d7.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	fe2d553751f59ac2ab15a645f44b71813a1f05594b05339fff22478055ed35d7.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	fe2d553751f59ac2ab15a645f44b71813a1f05594b05339fff22478055ed35d7.exe
Key created	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Windows\CurrentVersion\Run	fe2d553751f59ac2ab15a645f44b71813a1f05594b05339fff22478055ed35d7.exe

Script User-Agent 2 IoCs

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

Processes:

description	flow	ioc
HTTP User-Agent header	12	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	49	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

fe2d553751f59ac2ab15a645f44b71813a1f05594b05339fff22478055ed35d7.exe

pid process

1932 fe2d553751f59ac2ab15a645f44b71813a1f05594b05339fff22478055ed35d7.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

fe2d553751f59ac2ab15a645f44b71813a1f05594b05339fff22478055ed35d7.exe

pid process

1932 fe2d553751f59ac2ab15a645f44b71813a1f05594b05339fff22478055ed35d7.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

fe2d553751f59ac2ab15a645f44b71813a1f05594b05339fff22478055ed35d7.exe

pid	process
1932	fe2d553751f59ac2ab15a645f44b71813a1f05594b05339fff22478055ed35d7.exe
1932	fe2d553751f59ac2ab15a645f44b71813a1f05594b05339fff22478055ed35d7.exe

C:\Users\Admin\AppData\Local\Temp\fe2d553751f59ac2ab15a645f44b71813a1f05594b05339fff22478055ed35d7.exe
"C:\Users\Admin\AppData\Local\Temp\fe2d553751f59ac2ab15a645f44b71813a1f05594b05339fff22478055ed35d7.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:1932

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/1932-130-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads