ba6250a7c53791a725ad814d5a209a0253c1d3c28d962ec181d66a04c8ceb2cd

Analysis

max time kernel
93s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
07-09-2024 16:44

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General

Target

d26335a26a0c6946abe915647b155f75_JaffaCakes118.dll
Size

184KB
MD5

d26335a26a0c6946abe915647b155f75
SHA1

96f8cd2bd4d12ddaa148c7fb16cbb4484691b166
SHA256

ba6250a7c53791a725ad814d5a209a0253c1d3c28d962ec181d66a04c8ceb2cd
SHA512

afe0df2c82478e2706040a3d13cc745863f32704915a1aabf3e8af371e998b7cb8320b5870336fafe2213799108be6315e0f18d18ddd691891ffaa3b27e909dc
SSDEEP

3072:MFn3MLV+2XQ5b+S63Bzxc7Xs9chwc3xXtwRIcdMS01hQZIc05VibJ/RAMhZZC3Xo:MFn3MvXQ5Z63BEycMR1WhWIx5VGJ/3Zc

Score

7^/10

bootkit discovery persistence

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
756	rundll32.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	rundll32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3128	756	WerFault.exe	83

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 3124 wrote to memory of 756	3124	rundll32.exe	83
PID 3124 wrote to memory of 756	3124	rundll32.exe	83
PID 3124 wrote to memory of 756	3124	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d26335a26a0c6946abe915647b155f75_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3124
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\d26335a26a0c6946abe915647b155f75_JaffaCakes118.dll,#1
  2⤵
  - Loads dropped DLL
  - Writes to the Master Boot Record (MBR)
  - System Location Discovery: System Language Discovery
  PID:756
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 756 -s 624
    3⤵
    - Program crash
    PID:3128

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 756 -ip 756
1⤵
PID:1152

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

T1542

Bootkit

T1542.003

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

C:\Users\Admin\AppData\Local\Temp\j6fz8qsH.dat

Filesize
61KB

MD5
00d9cecbbd06138debbc8f98da01e1a1

SHA1
926e4745e95dad351d28dcc789b21fa9682c2ced

SHA256
bbbbe4e428de60fe59cc3501b8bf600bbbc132711fa7fe69457fb7bc5e7139fb

SHA512
a6d668e70b0574bc451d01859d2b3f5c5e2c9e02c97ac753170538d5fddc3e1a76c9daade694832c151d1e100452e0af4c0e34021c4ac708d394f8150e40bffd

Download Submit
memory/756-0-0x0000000010000000-0x0000000010068000-memory.dmp

Filesize
416KB

Download
memory/756-6-0x0000000074C80000-0x0000000074CAB000-memory.dmp

Filesize
172KB

Download
memory/756-8-0x0000000002DD0000-0x0000000002DD3000-memory.dmp

Filesize
12KB

Download
memory/756-9-0x0000000010000000-0x0000000010068000-memory.dmp

Filesize
416KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads