vobfus | ab648c40f731c28ac2404ef7358b4f15580662dda0a9986b2e58b4e2a8584a14

General

Target

ab648c40f731c28ac2404ef7358b4f15580662dda0a9986b2e58b4e2a8584a14.exe
Size

445KB
MD5

b75c9cd2ea646668fd26bd3ebfe2e308
SHA1

a25df6b31c2ce17c31ec3e11d380cd951527bc6e
SHA256

ab648c40f731c28ac2404ef7358b4f15580662dda0a9986b2e58b4e2a8584a14
SHA512

ddbbf37ee0e4fcef4c5d12c5fb39cdf540340905012cc695e6c6e9de051f81e4c2287e1281e567eacfceda141338a5cd4d2c01df10f404e62b9bc8ade9595d13

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:

ab648c40f731c28ac2404ef7358b4f15580662dda0a9986b2e58b4e2a8584a14.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	ab648c40f731c28ac2404ef7358b4f15580662dda0a9986b2e58b4e2a8584a14.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\run	ab648c40f731c28ac2404ef7358b4f15580662dda0a9986b2e58b4e2a8584a14.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"	ab648c40f731c28ac2404ef7358b4f15580662dda0a9986b2e58b4e2a8584a14.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run	ab648c40f731c28ac2404ef7358b4f15580662dda0a9986b2e58b4e2a8584a14.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

ab648c40f731c28ac2404ef7358b4f15580662dda0a9986b2e58b4e2a8584a14.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	ab648c40f731c28ac2404ef7358b4f15580662dda0a9986b2e58b4e2a8584a14.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	ab648c40f731c28ac2404ef7358b4f15580662dda0a9986b2e58b4e2a8584a14.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run	ab648c40f731c28ac2404ef7358b4f15580662dda0a9986b2e58b4e2a8584a14.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"	ab648c40f731c28ac2404ef7358b4f15580662dda0a9986b2e58b4e2a8584a14.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:

ab648c40f731c28ac2404ef7358b4f15580662dda0a9986b2e58b4e2a8584a14.exe

pid process

1096 ab648c40f731c28ac2404ef7358b4f15580662dda0a9986b2e58b4e2a8584a14.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

ab648c40f731c28ac2404ef7358b4f15580662dda0a9986b2e58b4e2a8584a14.exe

pid process

1096 ab648c40f731c28ac2404ef7358b4f15580662dda0a9986b2e58b4e2a8584a14.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

ab648c40f731c28ac2404ef7358b4f15580662dda0a9986b2e58b4e2a8584a14.exe

pid	process
1096	ab648c40f731c28ac2404ef7358b4f15580662dda0a9986b2e58b4e2a8584a14.exe
1096	ab648c40f731c28ac2404ef7358b4f15580662dda0a9986b2e58b4e2a8584a14.exe

C:\Users\Admin\AppData\Local\Temp\ab648c40f731c28ac2404ef7358b4f15580662dda0a9986b2e58b4e2a8584a14.exe
"C:\Users\Admin\AppData\Local\Temp\ab648c40f731c28ac2404ef7358b4f15580662dda0a9986b2e58b4e2a8584a14.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:1096

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

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Downloads

memory/1096-60-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads