vobfus | d7f1d68d2201628633dca4928411d6449c78b04f089c9054d006bb99216bd4f2

Analysis

max time kernel
103s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20240729-en
resource tags

arch:x64arch:x86image:win10v2004-20240729-enlocale:en-usos:windows10-2004-x64system
submitted
27/07/2024, 20:07

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General

Target

0004ddbe9e2aedace38df6e89ece4bc3_JaffaCakes118.exe
Size

318KB
MD5

0004ddbe9e2aedace38df6e89ece4bc3
SHA1

a34c02e33e8e813ef90e0a42f105fc75dec46585
SHA256

d7f1d68d2201628633dca4928411d6449c78b04f089c9054d006bb99216bd4f2
SHA512

3726ec7222a8a9cdc1dd1ccd441644d72efda4d99f6a9aa1bb6b32e9cde9fbc085c86cf3e33150e9c2fc6314cbe0ec40980b8a1d0122914953cafc297bcc33ff
SSDEEP

6144:Xo/BHng5HaVG4G/1z+QVMbg1do/BHng5HaI:4ZgaYiZgaI

Score

10^/10

vobfus discovery persistence worm

Malware Config

Signatures

Vobfus
A widespread worm which spreads via network drives and removable media.
worm 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	0004ddbe9e2aedace38df6e89ece4bc3_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	0004ddbe9e2aedace38df6e89ece4bc3_JaffaCakes118.exe
Key created	\REGISTRY\USER\S-1-5-21-735441492-2964205366-2526932795-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\run	0004ddbe9e2aedace38df6e89ece4bc3_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-735441492-2964205366-2526932795-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	0004ddbe9e2aedace38df6e89ece4bc3_JaffaCakes118.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-1-5-21-735441492-2964205366-2526932795-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	0004ddbe9e2aedace38df6e89ece4bc3_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\VLXHCMT5KJ = "C:\\Users\\Admin\\AppData\\Roaming\\AG58FPQON.exe"	0004ddbe9e2aedace38df6e89ece4bc3_JaffaCakes118.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	0004ddbe9e2aedace38df6e89ece4bc3_JaffaCakes118.exe

Script User-Agent 2 IoCs

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

description	flow	ioc
HTTP User-Agent header	12	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	34	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
4340	0004ddbe9e2aedace38df6e89ece4bc3_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4340	0004ddbe9e2aedace38df6e89ece4bc3_JaffaCakes118.exe
4340	0004ddbe9e2aedace38df6e89ece4bc3_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\0004ddbe9e2aedace38df6e89ece4bc3_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0004ddbe9e2aedace38df6e89ece4bc3_JaffaCakes118.exe"
1⤵
- Adds policy Run key to start application
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
PID:4340

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
318KB

MD5
e0b899b4732fc83df2430940dcf72a21

SHA1
1f5184c026596602269fdd1b82c5e585757d542a

SHA256
6298c00215e8beae8774828c6aa1952a89f0a810b76e7b66e6e1a98053b9538b

SHA512
ba22889fd20ca3c4538dc7a9819f09009ad0bb2761e1c0eb11ed0504e81d54a07a3bfa95bda78dd9b656d4f1ed83e1e1c206df98a667ef591689f097681c8e10

Download Submit
memory/4340-0-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/4340-10-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/4340-67-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/4340-217-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads