35c5e81261d16b9b2f84f62ab50cd31200761f788b4e4dbba56ea21eb181d804

Analysis

max time kernel
95s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06/09/2024, 12:14

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General

Target

cf81bda6f5da7ad2f581fa31e365751f_JaffaCakes118.exe
Size

116KB
MD5

cf81bda6f5da7ad2f581fa31e365751f
SHA1

a0a5069e4f0fab288de77b73622b06a25db0771a
SHA256

35c5e81261d16b9b2f84f62ab50cd31200761f788b4e4dbba56ea21eb181d804
SHA512

49743c537047ce614d995c5ce8b891aef6b50717f8cff74150bc39bef6ce755601796ffe231420a3c153a601abc3164ac2389e1ce5db0e28c59082b98e39f270
SSDEEP

1536:EFY2ZDEmjhNi+ormQp7yO7MHAwOTyuqyAz/uIo0X0J6d:g9Em1N6rmQIvROTyN/uaE

Score

5^/10

discovery

Malware Config

Signatures

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\skbskg.dll	cf81bda6f5da7ad2f581fa31e365751f_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\userinit.exe	cf81bda6f5da7ad2f581fa31e365751f_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\mjenpp.dll	cf81bda6f5da7ad2f581fa31e365751f_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3800 set thread context of 4808	3800	cf81bda6f5da7ad2f581fa31e365751f_JaffaCakes118.exe	85

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3116	4808	WerFault.exe	85

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	cf81bda6f5da7ad2f581fa31e365751f_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3800	cf81bda6f5da7ad2f581fa31e365751f_JaffaCakes118.exe
3800	cf81bda6f5da7ad2f581fa31e365751f_JaffaCakes118.exe
3800	cf81bda6f5da7ad2f581fa31e365751f_JaffaCakes118.exe
3800	cf81bda6f5da7ad2f581fa31e365751f_JaffaCakes118.exe
3800	cf81bda6f5da7ad2f581fa31e365751f_JaffaCakes118.exe
3800	cf81bda6f5da7ad2f581fa31e365751f_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3800	cf81bda6f5da7ad2f581fa31e365751f_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3800 wrote to memory of 4808	3800	cf81bda6f5da7ad2f581fa31e365751f_JaffaCakes118.exe	85
PID 3800 wrote to memory of 4808	3800	cf81bda6f5da7ad2f581fa31e365751f_JaffaCakes118.exe	85
PID 3800 wrote to memory of 4808	3800	cf81bda6f5da7ad2f581fa31e365751f_JaffaCakes118.exe	85
PID 3800 wrote to memory of 4808	3800	cf81bda6f5da7ad2f581fa31e365751f_JaffaCakes118.exe	85
PID 3800 wrote to memory of 4808	3800	cf81bda6f5da7ad2f581fa31e365751f_JaffaCakes118.exe	85
PID 3800 wrote to memory of 4808	3800	cf81bda6f5da7ad2f581fa31e365751f_JaffaCakes118.exe	85
PID 3800 wrote to memory of 4808	3800	cf81bda6f5da7ad2f581fa31e365751f_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\cf81bda6f5da7ad2f581fa31e365751f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\cf81bda6f5da7ad2f581fa31e365751f_JaffaCakes118.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3800
- C:\Windows\SysWOW64\rundll32.exe
  C:\Windows\system32\rundll32.exe
  2⤵
  PID:4808
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4808 -s 12
    3⤵
    - Program crash
    PID:3116

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4808 -ip 4808
1⤵
PID:2488

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

memory/3800-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3800-10-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4808-7-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download