vobfus | f064e4e7357cc51952e90ffa1eb286c1e29645852f69e25851e24314e2aa98a6

General

Target

f064e4e7357cc51952e90ffa1eb286c1e29645852f69e25851e24314e2aa98a6.exe
Size

445KB
MD5

f072de3611c0b64b40838920ee728bbc
SHA1

d81425a31826458c4b56b96b4e87e44b4c2bdcaf
SHA256

f064e4e7357cc51952e90ffa1eb286c1e29645852f69e25851e24314e2aa98a6
SHA512

976f2ae14c379ac67bd21a212c33349204748c8b11908944b055ea68c6f0e5b02212dae8c54b396fa9313c51b1332847cd462bf52ad6011d91ffb89a7e708de8

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:

f064e4e7357cc51952e90ffa1eb286c1e29645852f69e25851e24314e2aa98a6.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run	f064e4e7357cc51952e90ffa1eb286c1e29645852f69e25851e24314e2aa98a6.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	f064e4e7357cc51952e90ffa1eb286c1e29645852f69e25851e24314e2aa98a6.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\run	f064e4e7357cc51952e90ffa1eb286c1e29645852f69e25851e24314e2aa98a6.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	f064e4e7357cc51952e90ffa1eb286c1e29645852f69e25851e24314e2aa98a6.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

f064e4e7357cc51952e90ffa1eb286c1e29645852f69e25851e24314e2aa98a6.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	f064e4e7357cc51952e90ffa1eb286c1e29645852f69e25851e24314e2aa98a6.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	f064e4e7357cc51952e90ffa1eb286c1e29645852f69e25851e24314e2aa98a6.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run	f064e4e7357cc51952e90ffa1eb286c1e29645852f69e25851e24314e2aa98a6.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	f064e4e7357cc51952e90ffa1eb286c1e29645852f69e25851e24314e2aa98a6.exe

Script User-Agent 2 IoCs

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

Processes:

description	flow	ioc
HTTP User-Agent header	25	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	16	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

f064e4e7357cc51952e90ffa1eb286c1e29645852f69e25851e24314e2aa98a6.exe

pid process

3256 f064e4e7357cc51952e90ffa1eb286c1e29645852f69e25851e24314e2aa98a6.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

f064e4e7357cc51952e90ffa1eb286c1e29645852f69e25851e24314e2aa98a6.exe

pid process

3256 f064e4e7357cc51952e90ffa1eb286c1e29645852f69e25851e24314e2aa98a6.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

f064e4e7357cc51952e90ffa1eb286c1e29645852f69e25851e24314e2aa98a6.exe

pid	process
3256	f064e4e7357cc51952e90ffa1eb286c1e29645852f69e25851e24314e2aa98a6.exe
3256	f064e4e7357cc51952e90ffa1eb286c1e29645852f69e25851e24314e2aa98a6.exe

C:\Users\Admin\AppData\Local\Temp\f064e4e7357cc51952e90ffa1eb286c1e29645852f69e25851e24314e2aa98a6.exe
"C:\Users\Admin\AppData\Local\Temp\f064e4e7357cc51952e90ffa1eb286c1e29645852f69e25851e24314e2aa98a6.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:3256

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/3256-114-0x0000000000400000-0x0000000000434000-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