vobfus | 033e4eb19a4422b9ea718d8c3c7a930f5915fe53d69710e3f5f6b50bfdf43f43

General

Target

033e4eb19a4422b9ea718d8c3c7a930f5915fe53d69710e3f5f6b50bfdf43f43.exe
Size

1.4MB
MD5

bf3ab2523812e2e79116c15436db812f
SHA1

f2515d6f3262fc0481f6b8bc414d23b4e1cb4a4f
SHA256

033e4eb19a4422b9ea718d8c3c7a930f5915fe53d69710e3f5f6b50bfdf43f43
SHA512

9c94cf119d6cf72bb485820e4102786fa27bd65ccc49c8aa2efa20a0a37475299f3a431942e3d87e6cc907ff58131bcefb528cbbe95204c571510120eab3615f

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:

033e4eb19a4422b9ea718d8c3c7a930f5915fe53d69710e3f5f6b50bfdf43f43.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run	033e4eb19a4422b9ea718d8c3c7a930f5915fe53d69710e3f5f6b50bfdf43f43.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	033e4eb19a4422b9ea718d8c3c7a930f5915fe53d69710e3f5f6b50bfdf43f43.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\run	033e4eb19a4422b9ea718d8c3c7a930f5915fe53d69710e3f5f6b50bfdf43f43.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"	033e4eb19a4422b9ea718d8c3c7a930f5915fe53d69710e3f5f6b50bfdf43f43.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

033e4eb19a4422b9ea718d8c3c7a930f5915fe53d69710e3f5f6b50bfdf43f43.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	033e4eb19a4422b9ea718d8c3c7a930f5915fe53d69710e3f5f6b50bfdf43f43.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	033e4eb19a4422b9ea718d8c3c7a930f5915fe53d69710e3f5f6b50bfdf43f43.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run	033e4eb19a4422b9ea718d8c3c7a930f5915fe53d69710e3f5f6b50bfdf43f43.exe
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"	033e4eb19a4422b9ea718d8c3c7a930f5915fe53d69710e3f5f6b50bfdf43f43.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:

033e4eb19a4422b9ea718d8c3c7a930f5915fe53d69710e3f5f6b50bfdf43f43.exe

pid process

1104 033e4eb19a4422b9ea718d8c3c7a930f5915fe53d69710e3f5f6b50bfdf43f43.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

033e4eb19a4422b9ea718d8c3c7a930f5915fe53d69710e3f5f6b50bfdf43f43.exe

pid process

1104 033e4eb19a4422b9ea718d8c3c7a930f5915fe53d69710e3f5f6b50bfdf43f43.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

033e4eb19a4422b9ea718d8c3c7a930f5915fe53d69710e3f5f6b50bfdf43f43.exe

pid	process
1104	033e4eb19a4422b9ea718d8c3c7a930f5915fe53d69710e3f5f6b50bfdf43f43.exe
1104	033e4eb19a4422b9ea718d8c3c7a930f5915fe53d69710e3f5f6b50bfdf43f43.exe

C:\Users\Admin\AppData\Local\Temp\033e4eb19a4422b9ea718d8c3c7a930f5915fe53d69710e3f5f6b50bfdf43f43.exe
"C:\Users\Admin\AppData\Local\Temp\033e4eb19a4422b9ea718d8c3c7a930f5915fe53d69710e3f5f6b50bfdf43f43.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:1104

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/1104-59-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads