b23f9ebf62bf57cfc127221bcfadc34bc0d7fc9174ccad0c1e161e53879752b2

Analysis

max time kernel
140s
max time network
118s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
27/07/2024, 10:38

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General

Target

77e42cc75546ad9178782898f96c9aa1_JaffaCakes118.exe
Size

24KB
MD5

77e42cc75546ad9178782898f96c9aa1
SHA1

7e6c8a4bf5e5cf899ae6a6a4664fa2afbbeee656
SHA256

b23f9ebf62bf57cfc127221bcfadc34bc0d7fc9174ccad0c1e161e53879752b2
SHA512

e52eb45e0b969ca6e8266a1b3f1b1e7bb8f0da73a873c1613ed04b7ff7f5bc5ad06ee9129ba8eef3260941afdb189e71299e6c4ef24c20a3a02d3f330b5d3aa4
SSDEEP

384:iXGGP+MQ9aBfDnnII1k/9lMllamE6OLeJpa+iZhyWCOqOIxBQUzQ//:ZGP+3aBLnHk/XMllare/a+iZhyWVqOIQ

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\hkkhhk\Parameters\ServiceDll = "%SystemRoot%\\System32\\hkkhhk.dll"	77e42cc75546ad9178782898f96c9aa1_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
1388	svchost.exe

Loads dropped DLL 2 IoCs

pid	Process
2156	77e42cc75546ad9178782898f96c9aa1_JaffaCakes118.exe
1388	svchost.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\hkkhhk.dll	77e42cc75546ad9178782898f96c9aa1_JaffaCakes118.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 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	77e42cc75546ad9178782898f96c9aa1_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	77e42cc75546ad9178782898f96c9aa1_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
484	77e42cc75546ad9178782898f96c9aa1_JaffaCakes118.exe
484	77e42cc75546ad9178782898f96c9aa1_JaffaCakes118.exe
2156	77e42cc75546ad9178782898f96c9aa1_JaffaCakes118.exe
2156	77e42cc75546ad9178782898f96c9aa1_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 484 wrote to memory of 2156	484	77e42cc75546ad9178782898f96c9aa1_JaffaCakes118.exe	30
PID 484 wrote to memory of 2156	484	77e42cc75546ad9178782898f96c9aa1_JaffaCakes118.exe	30
PID 484 wrote to memory of 2156	484	77e42cc75546ad9178782898f96c9aa1_JaffaCakes118.exe	30
PID 484 wrote to memory of 2156	484	77e42cc75546ad9178782898f96c9aa1_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\77e42cc75546ad9178782898f96c9aa1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\77e42cc75546ad9178782898f96c9aa1_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:484
- C:\Users\Admin\AppData\Local\Temp\77e42cc75546ad9178782898f96c9aa1_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\77e42cc75546ad9178782898f96c9aa1_JaffaCakes118.exe" TWO
  2⤵
  - Server Software Component: Terminal Services DLL
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2156

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k hkkhhk
1⤵
- Deletes itself
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:1388

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 Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Windows\SysWOW64\hkkhhk.dll

Filesize
17KB

MD5
6e0f45c1a40839d6b1e1998a847d9fdc

SHA1
5d6a8d059a970df043353d0960c68fd93b7c68da

SHA256
df37911cb9b9de0acbb5f538eb90a5c556a536d1c4d0bac4d1e29564db4be427

SHA512
28a3b14ead0dd275f7c5dd8e3bb04622b8ab9498e620aeb907e7404cc36307466116beeb4d870b338555a26135e6947e2e8214b8c1a6740297acd454d4ccfc12

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