a03f572e0287c7562a5aef44eee7e96cb179f4eebf2b556f246434907011fa70

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21/09/2024, 01:32

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General

Target

eed1696267b7fca9e680df64181d1a0d_JaffaCakes118.dll
Size

112KB
MD5

eed1696267b7fca9e680df64181d1a0d
SHA1

eecd6371a34b1c25f8d00876f9eeb2cc1bc42da2
SHA256

a03f572e0287c7562a5aef44eee7e96cb179f4eebf2b556f246434907011fa70
SHA512

b87292593486c0e74f86618535f2b8b4894318817802fdba45d97142082e7a873f4e81e02d14fb09a9b365f72145b652801925d35b58f7f48fece660cd06922b
SSDEEP

3072:aUBYD7OHq52FCi1ClKUr5lanfq4JmJApTJd0:a+u7uXwOnXJmJWJd0

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\ControlSet003\Services\BITS\ParametErs\ServiceDll = "C:\\Windows\\system32\\ulib.dll"	rundll32.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\ulib.dll	rundll32.exe
File created	C:\Windows\SysWOW64\ulib.dll	rundll32.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4128	rundll32.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	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4040 wrote to memory of 4128	4040	rundll32.exe	82
PID 4040 wrote to memory of 4128	4040	rundll32.exe	82
PID 4040 wrote to memory of 4128	4040	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\eed1696267b7fca9e680df64181d1a0d_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4040
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\eed1696267b7fca9e680df64181d1a0d_JaffaCakes118.dll,#1
  2⤵
  - Server Software Component: Terminal Services DLL
  - Drops file in System32 directory
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  PID:4128

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/4128-0-0x0000000010000000-0x0000000010041000-memory.dmp

Filesize
260KB

Download
memory/4128-1-0x0000000000FC0000-0x0000000000FC1000-memory.dmp

Filesize
4KB

Download
memory/4128-2-0x0000000010000000-0x0000000010041000-memory.dmp

Filesize
260KB

Download
memory/4128-3-0x0000000010000000-0x0000000010041000-memory.dmp

Filesize
260KB

Download