vobfus | f40fe72a9f231599c5adef2c2386fb20511683ae201dcacf8d4c6ecbf2a9455c

Analysis

max time kernel
150s
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
31-12-2024 18:04

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

JaffaCakes118_2d672bfe390a294571bfaed05f50ad60.exe
Size

204KB
MD5

2d672bfe390a294571bfaed05f50ad60
SHA1

c82ff8048b8a751c68b392d596ae9afa288c2734
SHA256

f40fe72a9f231599c5adef2c2386fb20511683ae201dcacf8d4c6ecbf2a9455c
SHA512

5d40b46178e7feac810c01f98c0b8ebaa465b386852862e4bc740f81476236ffec668a19fc16629a26810707441858bcb2b591e06100675d5997ef6600702439
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_2d672bfe390a294571bfaed05f50ad60.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	JaffaCakes118_2d672bfe390a294571bfaed05f50ad60.exe
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\run	JaffaCakes118_2d672bfe390a294571bfaed05f50ad60.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	JaffaCakes118_2d672bfe390a294571bfaed05f50ad60.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_2d672bfe390a294571bfaed05f50ad60.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	JaffaCakes118_2d672bfe390a294571bfaed05f50ad60.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_2d672bfe390a294571bfaed05f50ad60.exe

Script User-Agent 2 IoCs

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

description	flow	ioc
HTTP User-Agent header	15	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	46	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3868	JaffaCakes118_2d672bfe390a294571bfaed05f50ad60.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
3868	JaffaCakes118_2d672bfe390a294571bfaed05f50ad60.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3868	JaffaCakes118_2d672bfe390a294571bfaed05f50ad60.exe
3868	JaffaCakes118_2d672bfe390a294571bfaed05f50ad60.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2d672bfe390a294571bfaed05f50ad60.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2d672bfe390a294571bfaed05f50ad60.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:3868

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
bed2579edd7161d7d7b7b8ca3dab6620

SHA1
5758a3ad832e8bbf1fcd84ae95d27dfe19439fca

SHA256
d2ca4d16e92a8954bab22f88a4e962d511b70f7a255a4570cc9463283e057bb3

SHA512
0278cfa6d73e00fdaf9e76048d157582cf29c6c1f3ae0648e6660cb399f58a70a182e5c2f98c2492d2f28eb30705f4714c0fa00266cbed226f03f23e0ebbe559

Download Submit
memory/3868-0-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/3868-10-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/3868-74-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/3868-288-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads