2ce54622a2964a36435d34d1cc8800dacb43b980b540dac64f5636de286759ce

Analysis

max time kernel
31s
max time network
17s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
19-04-2024 17:28

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General

Target

facf889a46495eed13a59381a60cc079_JaffaCakes118.dll
Size

141KB
MD5

facf889a46495eed13a59381a60cc079
SHA1

4f8c4272f62608da534285b69b4e2b5ff74255ee
SHA256

2ce54622a2964a36435d34d1cc8800dacb43b980b540dac64f5636de286759ce
SHA512

8ad8d007d6e2df545420d7934015af1afa45dd314f651778ab45a6576cb8388aedd444ed514c9f350365c180587fab2b90c101079a314b08e284a32653754a8e
SSDEEP

3072:Eomy9OVf/YYEezo8usyBoUvYYYD3zKneQygZgC0Pgs:Eo5GYYS8usMfYYO3TcZgCEg

Score

7^/10

bootkit persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

setup662320576.exe

pid process

3008 setup662320576.exe
Loads dropped DLL 4 IoCs

Processes:

rundll32.exesetup662320576.exe

pid process

2732 rundll32.exe
3008 setup662320576.exe
3008 setup662320576.exe
3008 setup662320576.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

Processes:

setup662320576.exe

description ioc process

File opened for modification \??\physicaldrive0 setup662320576.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

setup662320576.exe

description pid process

Token: SeShutdownPrivilege 3008 setup662320576.exe

pid	process
3008	setup662320576.exe

pid	process
2732	rundll32.exe
3008	setup662320576.exe
3008	setup662320576.exe
3008	setup662320576.exe

description	ioc	process
File opened for modification	\??\physicaldrive0	setup662320576.exe

description	pid	process
Token: SeShutdownPrivilege	3008	setup662320576.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 2044 wrote to memory of 2732	2044	rundll32.exe	rundll32.exe
PID 2044 wrote to memory of 2732	2044	rundll32.exe	rundll32.exe
PID 2044 wrote to memory of 2732	2044	rundll32.exe	rundll32.exe
PID 2044 wrote to memory of 2732	2044	rundll32.exe	rundll32.exe
PID 2044 wrote to memory of 2732	2044	rundll32.exe	rundll32.exe
PID 2044 wrote to memory of 2732	2044	rundll32.exe	rundll32.exe
PID 2044 wrote to memory of 2732	2044	rundll32.exe	rundll32.exe
PID 2732 wrote to memory of 3008	2732	rundll32.exe	setup662320576.exe
PID 2732 wrote to memory of 3008	2732	rundll32.exe	setup662320576.exe
PID 2732 wrote to memory of 3008	2732	rundll32.exe	setup662320576.exe
PID 2732 wrote to memory of 3008	2732	rundll32.exe	setup662320576.exe
PID 2732 wrote to memory of 3008	2732	rundll32.exe	setup662320576.exe
PID 2732 wrote to memory of 3008	2732	rundll32.exe	setup662320576.exe
PID 2732 wrote to memory of 3008	2732	rundll32.exe	setup662320576.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\facf889a46495eed13a59381a60cc079_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2044

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\facf889a46495eed13a59381a60cc079_JaffaCakes118.dll,#1
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2732

C:\Users\Admin\AppData\Local\Temp\setup662320576.exe
"C:\Users\Admin\AppData\Local\Temp\setup662320576.exe"
3⤵
- Executes dropped EXE
- Loads dropped DLL
- Writes to the Master Boot Record (MBR)
- Suspicious use of AdjustPrivilegeToken
PID:3008

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 Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\setup662320576.exe
Filesize
141KB

MD5
31111b7c81a733571a7cc06e635dd28d

SHA1
3b9a6d377ba3e796267244399b7b5cee2667d199

SHA256
ba1c013de3d76096a9783608b28039d01ebb187b5b9d53aeee0cbaaef7b2bb8f

SHA512
1fe5cc2cb0c1f10679c43cec1cbb254ce0005b583ebfadb8cc62c17f81263723398b8f67b9db20ca2dd058e04aeb40e846b6bbd495762871f472bce7acc17da5

Download Submit
memory/2732-3-0x0000000000210000-0x00000000002D4000-memory.dmp

Filesize
784KB

Download
memory/2732-0-0x0000000000180000-0x00000000001A8000-memory.dmp

Filesize
160KB

Download
memory/2732-13-0x0000000000210000-0x00000000002D4000-memory.dmp

Filesize
784KB

Download
memory/2732-17-0x0000000000180000-0x0000000000182000-memory.dmp

Filesize
8KB

Download
memory/3008-14-0x00000000022D0000-0x0000000002394000-memory.dmp

Filesize
784KB

Download
memory/3008-15-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download