91f337bbb0f9bb383227bbd69e3a8d9dd4cc3362afdeed1d57d3bbc67864352e

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08/09/2024, 07:40

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General

Target

d3dcfa0a11c6c7a70c74a6d5044e48bf_JaffaCakes118.dll
Size

80KB
MD5

d3dcfa0a11c6c7a70c74a6d5044e48bf
SHA1

ac049831a7fb66f959717d0a4a8b9adacc61ec8a
SHA256

91f337bbb0f9bb383227bbd69e3a8d9dd4cc3362afdeed1d57d3bbc67864352e
SHA512

4e530f117dabc63a28306b97a35f5556ffb49ae0c57ed363e0f0d2d2b98c2605d0387b9edde3ce554d5d3e9ec319156324ab22e89c7eb001a7b407a4b88092df
SSDEEP

1536:JtCugMGFbtCXIcfcYTG6K8K0fbHK1/I0:7+MGm4c7TGIzK1I0

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

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

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 behavior: EnumeratesProcesses 1 IoCs

pid	Process
1928	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1868 wrote to memory of 1928	1868	rundll32.exe	31
PID 1868 wrote to memory of 1928	1868	rundll32.exe	31
PID 1868 wrote to memory of 1928	1868	rundll32.exe	31
PID 1868 wrote to memory of 1928	1868	rundll32.exe	31
PID 1868 wrote to memory of 1928	1868	rundll32.exe	31
PID 1868 wrote to memory of 1928	1868	rundll32.exe	31
PID 1868 wrote to memory of 1928	1868	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d3dcfa0a11c6c7a70c74a6d5044e48bf_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1868
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\d3dcfa0a11c6c7a70c74a6d5044e48bf_JaffaCakes118.dll,#1
  2⤵
  - Writes to the Master Boot Record (MBR)
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:1928

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

Query Registry

T1012

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1928-0-0x0000000000170000-0x0000000000179000-memory.dmp

Filesize
36KB

Download
memory/1928-3-0x0000000000170000-0x0000000000179000-memory.dmp

Filesize
36KB

Download