vobfus | 3d3ffacc2b1643c4929545d07ad8620eebb98a83ee625cc773c62283ca53ac95

Analysis

max time kernel
149s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10/01/2025, 07:02

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General

Target

JaffaCakes118_dde0bcc01652fa7962647cb8827c7c73.exe
Size

204KB
MD5

dde0bcc01652fa7962647cb8827c7c73
SHA1

c036bb8dfe0e7488f5c0c954349e9f0e0b5ed805
SHA256

3d3ffacc2b1643c4929545d07ad8620eebb98a83ee625cc773c62283ca53ac95
SHA512

0bb6e555808ab7546447655c3221d1dbaf0edef733953c9a929e011223705fd1e0496a6360ab9549fde0a311774df29a0d30442571c60585cca58148a0fea45e
SSDEEP

3072:3Hjk+0oLnWFnzBHv/xWFsg8WatFBGFVWPE5ac0pG/1z+QVMbg1:Xo/BHng5HaVG4G/1z+QVMbg1

Score

10^/10

vobfus discovery persistence worm

Malware Config

Signatures

Vobfus
A widespread worm which spreads via network drives and removable media.
worm vobfus
Vobfus family
vobfus

Adds policy Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run	JaffaCakes118_dde0bcc01652fa7962647cb8827c7c73.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	JaffaCakes118_dde0bcc01652fa7962647cb8827c7c73.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\run	JaffaCakes118_dde0bcc01652fa7962647cb8827c7c73.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	JaffaCakes118_dde0bcc01652fa7962647cb8827c7c73.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	JaffaCakes118_dde0bcc01652fa7962647cb8827c7c73.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	JaffaCakes118_dde0bcc01652fa7962647cb8827c7c73.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_dde0bcc01652fa7962647cb8827c7c73.exe

Script User-Agent 2 IoCs

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

description	flow	ioc
HTTP User-Agent header	16	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	45	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2896	JaffaCakes118_dde0bcc01652fa7962647cb8827c7c73.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2896	JaffaCakes118_dde0bcc01652fa7962647cb8827c7c73.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2896	JaffaCakes118_dde0bcc01652fa7962647cb8827c7c73.exe
2896	JaffaCakes118_dde0bcc01652fa7962647cb8827c7c73.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_dde0bcc01652fa7962647cb8827c7c73.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_dde0bcc01652fa7962647cb8827c7c73.exe"
1⤵
- Adds policy Run key to start application
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
PID:2896

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\AG58FPQON.exe

Filesize
204KB

MD5
de98624ce468ffeddaba649a605cea71

SHA1
c5ded41110fbd85bfd401782cb5da6d844ccdece

SHA256
8f7bfa76983161a784eaf637fb93681e161dae55f28940dc296e01b1c328e530

SHA512
9a4025c30df73893da08c36a4e06f5bd8d7c5dd997d73e749bd9f585f8174afe7c0632305c87082cf7754d2a15bfc3eaa265581e4993c6ec57f7d65dd315666f

Download Submit
memory/2896-0-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/2896-10-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/2896-74-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/2896-288-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads