vobfus | 22d410b711d075448bea18965a5ab362aad5e455b949fd97cf1d3437455991ad

Analysis

max time kernel
149s
max time network
141s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
11/01/2025, 00:45

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

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\USER\S-1-5-21-2039016743-699959520-214465309-1000\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
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-1-5-21-2039016743-699959520-214465309-1000\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\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	JaffaCakes118_f29b79a7a5c72e6234b6b115dd75a423.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\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	3	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	4	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1180	JaffaCakes118_f29b79a7a5c72e6234b6b115dd75a423.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1180	JaffaCakes118_f29b79a7a5c72e6234b6b115dd75a423.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1180	JaffaCakes118_f29b79a7a5c72e6234b6b115dd75a423.exe
1180	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:1180

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
204KB

MD5
b5ee941ffb5bb984582aebb9d31eeda1

SHA1
9bd94cea24eff642c568eb63c547af6fe16ec2f7

SHA256
a53566240274159ff97451db3552a799b2f23347453b22ca33eb6e3e1a0093bd

SHA512
8ae1023c2c9da777900be873236d0b0a7cd2cbef47dc30ad0af05aeb31dfdfdbe20f529834198e31b68b3c81ad547a6dca22a42fadbc17cd70c878cec7e999e3

Download Submit
memory/1180-0-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/1180-31-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/1180-238-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads