f80f66e6be0c2d771fa4df22a4d5a1321d12b2be6019a7957cbc77e7c9b589ec

Analysis

max time kernel
118s
max time network
124s
platform
windows7_x64
resource
win7-20240221-en
resource tags

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

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General

Target

facb1194670abea1d2e6214982d0f6d4_JaffaCakes118.dll
Size

120KB
MD5

facb1194670abea1d2e6214982d0f6d4
SHA1

2009a7d920afe52402114cd59d2e3cc02b8a8b88
SHA256

f80f66e6be0c2d771fa4df22a4d5a1321d12b2be6019a7957cbc77e7c9b589ec
SHA512

ef104405c7944b6a36a76f007bb0ac1f0c5f38b9a9a8792fa333f103db520db8faafad6eb720b7aaea339b1bc94d81b6d8c1847a4fa2a8b30d4dc66f0116294d
SSDEEP

3072:RNBtaKSkuUnrU82LWekCxPTO0xa46aofwKqp:R3lSkurzr/P3aOo

Score

6^/10

bootkit discovery persistence

Malware Config

Signatures

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
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:

rundll32.exe

description ioc process

File opened for modification \??\PhysicalDrive0 rundll32.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

rundll32.exe

pid process

2944 rundll32.exe

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

pid	process
2944	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1952 wrote to memory of 2944	1952	rundll32.exe	rundll32.exe
PID 1952 wrote to memory of 2944	1952	rundll32.exe	rundll32.exe
PID 1952 wrote to memory of 2944	1952	rundll32.exe	rundll32.exe
PID 1952 wrote to memory of 2944	1952	rundll32.exe	rundll32.exe
PID 1952 wrote to memory of 2944	1952	rundll32.exe	rundll32.exe
PID 1952 wrote to memory of 2944	1952	rundll32.exe	rundll32.exe
PID 1952 wrote to memory of 2944	1952	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\facb1194670abea1d2e6214982d0f6d4_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1952

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\facb1194670abea1d2e6214982d0f6d4_JaffaCakes118.dll,#1
2⤵
- Writes to the Master Boot Record (MBR)
- Suspicious behavior: EnumeratesProcesses
PID:2944

MITRE ATT&CK Matrix ATT&CK v13

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

Query Registry

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/2944-0-0x00000000000F0000-0x00000000000FA000-memory.dmp

Filesize
40KB

Download
memory/2944-1-0x0000000010000000-0x0000000010009000-memory.dmp

Filesize
36KB

Download
memory/2944-4-0x0000000010000000-0x0000000010009000-memory.dmp

Filesize
36KB

Download