9fbbbb6b2c65eb18565b93166c0ea09351b604f0fa6e9de6b86cce9c18c33098

Analysis

max time kernel
98s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240730-en
resource tags

arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
submitted
01-08-2024 21:27

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General

Target

81c89937c53445667f4ed487a5594b50_JaffaCakes118.dll
Size

83KB
MD5

81c89937c53445667f4ed487a5594b50
SHA1

da20c69996a262b4cff7f8168876baaae3917ccd
SHA256

9fbbbb6b2c65eb18565b93166c0ea09351b604f0fa6e9de6b86cce9c18c33098
SHA512

f266900aa9ff02d097bbebed84b6edb3249cfb8d230cc9af85632716889c69788ef739285f36a963dcb388f2ed1b5fb2cc5e544ef4727dc0fcd828475f90b696
SSDEEP

1536:sZwl2aUN1+G3gwpi41FQtv6fQzk2i33mLbqBNpNEK3pOP28ZjnxQXFt6qOeg9cuk:stJ/QwpxFavqQz7s2S8ZP2KnIFt6qtLR

Score

8^/10

discovery persistence

Malware Config

Signatures

Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs

persistence

Terminal Services DLL

T1505.005

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\FastUserSwitchingCompatibility\Parameters\ServiceDll = "C:\\Users\\Admin\\AppData\\Local\\Temp\\81c89937c53445667f4ed487a5594b50_JaffaCakes118.dll"	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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeBackupPrivilege	2068	svchost.exe
Token: SeRestorePrivilege	2068	svchost.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1652 wrote to memory of 916	1652	rundll32.exe	83
PID 1652 wrote to memory of 916	1652	rundll32.exe	83
PID 1652 wrote to memory of 916	1652	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\81c89937c53445667f4ed487a5594b50_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1652
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\81c89937c53445667f4ed487a5594b50_JaffaCakes118.dll,#1
  2⤵
  - Server Software Component: Terminal Services DLL
  - System Location Discovery: System Language Discovery
  PID:916

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs -s FastUserSwitchingCompatibility
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2068

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Server Software Component

T1505

Terminal Services DLL

T1505.005

Privilege Escalation

Defense Evasion

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/916-0-0x0000000032000000-0x000000003205E000-memory.dmp

Filesize
376KB

Download
memory/916-1-0x0000000032001000-0x0000000032049000-memory.dmp

Filesize
288KB

Download
memory/2068-2-0x0000000032000000-0x000000003205E000-memory.dmp

Filesize
376KB

Download
memory/2068-3-0x0000000032000000-0x000000003205E000-memory.dmp

Filesize
376KB

Download
memory/2068-4-0x0000000032000000-0x000000003205E000-memory.dmp

Filesize
376KB

Download