vobfus | 22d410b711d075448bea18965a5ab362aad5e455b949fd97cf1d3437455991ad

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11/01/2025, 00:45

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General

Target

JaffaCakes118_f29b79a7a5c72e6234b6b115dd75a423.exe
Size

204KB
MD5

f29b79a7a5c72e6234b6b115dd75a423
SHA1

f60a1a7009fc9af1cb76648dbca8d25d622f893a
SHA256

22d410b711d075448bea18965a5ab362aad5e455b949fd97cf1d3437455991ad
SHA512

116d95bd0b5735c92b6b1b97ca2f4b313e8b1e4b850bae01cd89210594e30f4d1c17b4c39ed55821b4dc90541928cca753e5b928ea6ea5ca9b80aa9e59b0904b
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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	JaffaCakes118_f29b79a7a5c72e6234b6b115dd75a423.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\run	JaffaCakes118_f29b79a7a5c72e6234b6b115dd75a423.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	JaffaCakes118_f29b79a7a5c72e6234b6b115dd75a423.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run	JaffaCakes118_f29b79a7a5c72e6234b6b115dd75a423.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_f29b79a7a5c72e6234b6b115dd75a423.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	JaffaCakes118_f29b79a7a5c72e6234b6b115dd75a423.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_f29b79a7a5c72e6234b6b115dd75a423.exe

Script User-Agent 2 IoCs

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

description	flow	ioc
HTTP User-Agent header	17	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
4024	JaffaCakes118_f29b79a7a5c72e6234b6b115dd75a423.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
4024	JaffaCakes118_f29b79a7a5c72e6234b6b115dd75a423.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4024	JaffaCakes118_f29b79a7a5c72e6234b6b115dd75a423.exe
4024	JaffaCakes118_f29b79a7a5c72e6234b6b115dd75a423.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f29b79a7a5c72e6234b6b115dd75a423.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f29b79a7a5c72e6234b6b115dd75a423.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:4024

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
2428d04d69aafa031ff68f7fc2a57041

SHA1
0ad49bd7c635fe8dd8f53cb6b6055ec4c1da46de

SHA256
56cdb86b28060ff3699e928df5453816665b117040b137dd09eb530cf2101ab3

SHA512
d2b3eee6b0edf50e0322099a1677a844b00535e975aaeca779414d1161b20af8e206f4ec04e2565be95260644d01e4a7d59a43e67c68027cd335349973a0bd5d

Download Submit
memory/4024-0-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/4024-10-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/4024-67-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/4024-274-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads