vobfus | be95b98a071c3a40aa009cb63740cc3ab67721a4b420e0c587303f13f8fd4368

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
31-12-2024 07:24

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General

Target

JaffaCakes118_0ab5819896f72ee79caa5ef2ec19576f.exe
Size

200KB
MD5

0ab5819896f72ee79caa5ef2ec19576f
SHA1

c16f2b050be087816be596c698225d2afaf8752c
SHA256

be95b98a071c3a40aa009cb63740cc3ab67721a4b420e0c587303f13f8fd4368
SHA512

4b4a76783f680b2a0a1ffdc04413387fc9949d15d27dac92b0b04bf9fd3659c4a780d06297867c89ae164cb0f34fcb5ee37b6f81360a3d46f02452e72dcad2be
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_0ab5819896f72ee79caa5ef2ec19576f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	JaffaCakes118_0ab5819896f72ee79caa5ef2ec19576f.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\run	JaffaCakes118_0ab5819896f72ee79caa5ef2ec19576f.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	JaffaCakes118_0ab5819896f72ee79caa5ef2ec19576f.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_0ab5819896f72ee79caa5ef2ec19576f.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	JaffaCakes118_0ab5819896f72ee79caa5ef2ec19576f.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_0ab5819896f72ee79caa5ef2ec19576f.exe

Script User-Agent 2 IoCs

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

description	flow	ioc
HTTP User-Agent header	18	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	44	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1964	JaffaCakes118_0ab5819896f72ee79caa5ef2ec19576f.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1964	JaffaCakes118_0ab5819896f72ee79caa5ef2ec19576f.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1964	JaffaCakes118_0ab5819896f72ee79caa5ef2ec19576f.exe
1964	JaffaCakes118_0ab5819896f72ee79caa5ef2ec19576f.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0ab5819896f72ee79caa5ef2ec19576f.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0ab5819896f72ee79caa5ef2ec19576f.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:1964

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
200KB

MD5
767b311cb9539b48aec80b91af347232

SHA1
76fe947c624ddb0344e297e48095e51bad201f9b

SHA256
207823353fb35d6160da8c7c26916e3abe1bbbd9a83bc86339f9d984a1878fc1

SHA512
57fd8ce6e7df077e8bcdfb534b6c78e090f96fb8dcbab85c15416355451dc3d7aa3d6d9ddcc37a347dee3df92464db4ce200e4160f78125f24654591e9e3ddf2

Download Submit
memory/1964-0-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/1964-31-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/1964-238-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads