vobfus | 1d1fe126e4519a59268c0c5b793db16d583a5a78c9e1dbe219e92d3d8285b1c8

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07/01/2025, 18:34

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General

Target

JaffaCakes118_72f07dc9ca4289b919cd3051bd183003.exe
Size

204KB
MD5

72f07dc9ca4289b919cd3051bd183003
SHA1

5957c1ead0aea771094267c693b78f7dc7f10aa2
SHA256

1d1fe126e4519a59268c0c5b793db16d583a5a78c9e1dbe219e92d3d8285b1c8
SHA512

65e9bf3309e043da85fa8cc4da883a70e57e42f66aa7a4d53760b72709706575359f69e9ae37412a4c18cf123c981252ad6561124b2493ea4faf6842e11bc017
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_72f07dc9ca4289b919cd3051bd183003.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	JaffaCakes118_72f07dc9ca4289b919cd3051bd183003.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\run	JaffaCakes118_72f07dc9ca4289b919cd3051bd183003.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	JaffaCakes118_72f07dc9ca4289b919cd3051bd183003.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_72f07dc9ca4289b919cd3051bd183003.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	JaffaCakes118_72f07dc9ca4289b919cd3051bd183003.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_72f07dc9ca4289b919cd3051bd183003.exe

Script User-Agent 2 IoCs

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

description	flow	ioc
HTTP User-Agent header	13	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	41	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3164	JaffaCakes118_72f07dc9ca4289b919cd3051bd183003.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
3164	JaffaCakes118_72f07dc9ca4289b919cd3051bd183003.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3164	JaffaCakes118_72f07dc9ca4289b919cd3051bd183003.exe
3164	JaffaCakes118_72f07dc9ca4289b919cd3051bd183003.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_72f07dc9ca4289b919cd3051bd183003.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_72f07dc9ca4289b919cd3051bd183003.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:3164

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
eb5569be74b4050cbe0a7b815db3394f

SHA1
82799bdbe9adeba9f5ee5e06867424ab99f160ff

SHA256
222384dab004980ccb9d454f520765ce4b79a59d8e1ed65a536831fa01016209

SHA512
dfe89be5b02df21789912e84424d9f2b001724c5644fd8f5934dcb71b83f0c1455b43b3739926cd398d88e5e11d4d037b384862c189534a6ce73f9eedef36718

Download Submit
memory/3164-0-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/3164-24-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/3164-231-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads