87f9a038badba7ecfc65a8934df42999d041a23e98d689bad287c5982d0065f9

Analysis

max time kernel
141s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
27/09/2024, 14:36

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General

Target

fa9563f473df46383ffc76c4685a399b_JaffaCakes118.dll
Size

96KB
MD5

fa9563f473df46383ffc76c4685a399b
SHA1

1e0d5bf64700b8dca93d4e5b32dd818d719751db
SHA256

87f9a038badba7ecfc65a8934df42999d041a23e98d689bad287c5982d0065f9
SHA512

66746629f3d055f442df9b7e1f631b3b4b1798ba130932e13612fb2013a2d15e1657e3f3e67dce30f2fdc42c0841d7b6c774915a64c5551ac6957228bbb755c5
SSDEEP

1536:+pWVf6glwnXdN/DNWKZqiXqghc6eaT9ALeHIEs8LZYiKdO8NXDJ4RA/Yb:/p6wwnN9DtZ7XPhc6l9y6IEseVKdO8Nm

Score

6^/10

discovery persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Wkuwejexijo = "rundll32.exe \"C:\\Users\\Admin\\AppData\\Local\\Temp\\fa9563f473df46383ffc76c4685a399b_JaffaCakes118.dll\",Startup"	rundll32.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
3848	rundll32.exe
3848	rundll32.exe
3848	rundll32.exe
3848	rundll32.exe
3848	rundll32.exe
3848	rundll32.exe
3848	rundll32.exe
3848	rundll32.exe
3848	rundll32.exe
3848	rundll32.exe
3848	rundll32.exe
3848	rundll32.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2744 wrote to memory of 3848	2744	rundll32.exe	82
PID 2744 wrote to memory of 3848	2744	rundll32.exe	82
PID 2744 wrote to memory of 3848	2744	rundll32.exe	82
PID 3848 wrote to memory of 2032	3848	rundll32.exe	91
PID 3848 wrote to memory of 2032	3848	rundll32.exe	91
PID 3848 wrote to memory of 2032	3848	rundll32.exe	91

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fa9563f473df46383ffc76c4685a399b_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2744
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\fa9563f473df46383ffc76c4685a399b_JaffaCakes118.dll,#1
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:3848
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe "C:\Users\Admin\AppData\Local\Temp\fa9563f473df46383ffc76c4685a399b_JaffaCakes118.dll",iep
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2032

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

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Downloads

memory/2032-11-0x0000000002B70000-0x0000000002B80000-memory.dmp

Filesize
64KB

Download
memory/2032-9-0x0000000002B70000-0x0000000002B80000-memory.dmp

Filesize
64KB

Download
memory/2032-8-0x0000000002B70000-0x0000000002B80000-memory.dmp

Filesize
64KB

Download
memory/2032-12-0x0000000002B70000-0x0000000002B80000-memory.dmp

Filesize
64KB

Download
memory/2032-14-0x0000000010000000-0x0000000010018000-memory.dmp

Filesize
96KB

Download
memory/3848-2-0x0000000000E50000-0x0000000000E60000-memory.dmp

Filesize
64KB

Download
memory/3848-0-0x0000000010000000-0x0000000010018000-memory.dmp

Filesize
96KB

Download
memory/3848-3-0x0000000000E50000-0x0000000000E60000-memory.dmp

Filesize
64KB

Download
memory/3848-4-0x0000000000E50000-0x0000000000E60000-memory.dmp

Filesize
64KB

Download
memory/3848-5-0x0000000010000000-0x0000000010018000-memory.dmp

Filesize
96KB

Download
memory/3848-7-0x0000000010000000-0x0000000010018000-memory.dmp

Filesize
96KB

Download
memory/3848-1-0x0000000000E50000-0x0000000000E60000-memory.dmp

Filesize
64KB

Download
memory/3848-13-0x0000000010000000-0x0000000010018000-memory.dmp

Filesize
96KB

Download