vobfus | ed1dc397346720488c73104eee8dbfa73fc29298f9241c3f4608bf9ddcf5dbcf

General

Target

ed1dc397346720488c73104eee8dbfa73fc29298f9241c3f4608bf9ddcf5dbcf.exe
Size

384KB
MD5

ba28a2ddf41450c0e30a80eba7a84001
SHA1

8dba49ba4ad881a1a0c4f81839dce52285dd647b
SHA256

ed1dc397346720488c73104eee8dbfa73fc29298f9241c3f4608bf9ddcf5dbcf
SHA512

2536377a5a9cf839ec2aac08ac45ed44d8accccf9a1f64f71cee3a3454de1bf81190140ae55d0ad729a026f1d35629724cbaea36c787e7fd394c5230ba71c913

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:

ed1dc397346720488c73104eee8dbfa73fc29298f9241c3f4608bf9ddcf5dbcf.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	ed1dc397346720488c73104eee8dbfa73fc29298f9241c3f4608bf9ddcf5dbcf.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\run	ed1dc397346720488c73104eee8dbfa73fc29298f9241c3f4608bf9ddcf5dbcf.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"	ed1dc397346720488c73104eee8dbfa73fc29298f9241c3f4608bf9ddcf5dbcf.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run	ed1dc397346720488c73104eee8dbfa73fc29298f9241c3f4608bf9ddcf5dbcf.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

ed1dc397346720488c73104eee8dbfa73fc29298f9241c3f4608bf9ddcf5dbcf.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	ed1dc397346720488c73104eee8dbfa73fc29298f9241c3f4608bf9ddcf5dbcf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	ed1dc397346720488c73104eee8dbfa73fc29298f9241c3f4608bf9ddcf5dbcf.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run	ed1dc397346720488c73104eee8dbfa73fc29298f9241c3f4608bf9ddcf5dbcf.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"	ed1dc397346720488c73104eee8dbfa73fc29298f9241c3f4608bf9ddcf5dbcf.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:

ed1dc397346720488c73104eee8dbfa73fc29298f9241c3f4608bf9ddcf5dbcf.exe

pid process

484 ed1dc397346720488c73104eee8dbfa73fc29298f9241c3f4608bf9ddcf5dbcf.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

ed1dc397346720488c73104eee8dbfa73fc29298f9241c3f4608bf9ddcf5dbcf.exe

pid process

484 ed1dc397346720488c73104eee8dbfa73fc29298f9241c3f4608bf9ddcf5dbcf.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

ed1dc397346720488c73104eee8dbfa73fc29298f9241c3f4608bf9ddcf5dbcf.exe

pid	process
484	ed1dc397346720488c73104eee8dbfa73fc29298f9241c3f4608bf9ddcf5dbcf.exe
484	ed1dc397346720488c73104eee8dbfa73fc29298f9241c3f4608bf9ddcf5dbcf.exe

C:\Users\Admin\AppData\Local\Temp\ed1dc397346720488c73104eee8dbfa73fc29298f9241c3f4608bf9ddcf5dbcf.exe
"C:\Users\Admin\AppData\Local\Temp\ed1dc397346720488c73104eee8dbfa73fc29298f9241c3f4608bf9ddcf5dbcf.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:484

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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