vobfus | d50bdb589d3b70b202471a951633119d7142298586d1948a9f4fe929832cd956

Analysis

max time kernel
152s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
resource tags

arch:x64arch:x86image:win10v2004-20220414-enlocale:en-usos:windows10-2004-x64system
submitted
17-07-2022 01:42

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General

Target

d50bdb589d3b70b202471a951633119d7142298586d1948a9f4fe929832cd956.exe
Size

224KB
MD5

52d99165708ed0d1e0dfdedf374d8035
SHA1

c33fd11cfaa2fa8053947385375d75f9e0905095
SHA256

d50bdb589d3b70b202471a951633119d7142298586d1948a9f4fe929832cd956
SHA512

a1327bca9bcebcb4c9a1df823fbc5ee2bea53539c50f1b0bda1e4260e6f4e37a4b6e91f503f1808ebab3c6d5282ead5a04c349af610e475a9d1e20940059a4f3

Score

10^/10

vobfus persistence suricata worm

Malware Config

Signatures

Vobfus
A widespread worm which spreads via network drives and removable media.
worm vobfus
suricata: ET MALWARE BlackshadesRAT Reporting
suricata: ET MALWARE BlackshadesRAT Reporting
suricata

Adds policy Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

d50bdb589d3b70b202471a951633119d7142298586d1948a9f4fe929832cd956.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run	d50bdb589d3b70b202471a951633119d7142298586d1948a9f4fe929832cd956.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	d50bdb589d3b70b202471a951633119d7142298586d1948a9f4fe929832cd956.exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\run	d50bdb589d3b70b202471a951633119d7142298586d1948a9f4fe929832cd956.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	d50bdb589d3b70b202471a951633119d7142298586d1948a9f4fe929832cd956.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

d50bdb589d3b70b202471a951633119d7142298586d1948a9f4fe929832cd956.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	d50bdb589d3b70b202471a951633119d7142298586d1948a9f4fe929832cd956.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	d50bdb589d3b70b202471a951633119d7142298586d1948a9f4fe929832cd956.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	d50bdb589d3b70b202471a951633119d7142298586d1948a9f4fe929832cd956.exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows\CurrentVersion\Run	d50bdb589d3b70b202471a951633119d7142298586d1948a9f4fe929832cd956.exe

Script User-Agent 2 IoCs

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

Processes:

description	flow	ioc
HTTP User-Agent header	47	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	11	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

d50bdb589d3b70b202471a951633119d7142298586d1948a9f4fe929832cd956.exe

pid process

5100 d50bdb589d3b70b202471a951633119d7142298586d1948a9f4fe929832cd956.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

d50bdb589d3b70b202471a951633119d7142298586d1948a9f4fe929832cd956.exe

pid process

5100 d50bdb589d3b70b202471a951633119d7142298586d1948a9f4fe929832cd956.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

d50bdb589d3b70b202471a951633119d7142298586d1948a9f4fe929832cd956.exe

pid	process
5100	d50bdb589d3b70b202471a951633119d7142298586d1948a9f4fe929832cd956.exe
5100	d50bdb589d3b70b202471a951633119d7142298586d1948a9f4fe929832cd956.exe

C:\Users\Admin\AppData\Local\Temp\d50bdb589d3b70b202471a951633119d7142298586d1948a9f4fe929832cd956.exe
"C:\Users\Admin\AppData\Local\Temp\d50bdb589d3b70b202471a951633119d7142298586d1948a9f4fe929832cd956.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:5100

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/5100-133-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

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