f9cb7760c339049f8c6009fcb5f6aecb77b2eb8166d1c5436061ccfd4d31b20e

Analysis

max time kernel
122s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28-09-2024 16:59

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General

Target

fcbf46246bb3dfa6c8f738ca4dd1ab85_JaffaCakes118.dll
Size

49KB
MD5

fcbf46246bb3dfa6c8f738ca4dd1ab85
SHA1

083a7dfcf8cd919e551518252e875e19c9ca68a4
SHA256

f9cb7760c339049f8c6009fcb5f6aecb77b2eb8166d1c5436061ccfd4d31b20e
SHA512

158c45437a14d3e25c9b6eb5e203814304e399aa285177da786602affdf3fbda96728046c28d267c137d4565c975e2b0c488f729eb44d714c3544e5df0bb86d5
SSDEEP

768:PNt9Acn+uSt5jPJN962FeDl4XYzSm94qbssO07MXhZd1jsgIxw7BYgzLluo5ecr:Vt9Acn+rhYZ4X4lJpid1ygzLlvrTXxi

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
2208	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2204 wrote to memory of 2208	2204	rundll32.exe	30
PID 2204 wrote to memory of 2208	2204	rundll32.exe	30
PID 2204 wrote to memory of 2208	2204	rundll32.exe	30
PID 2204 wrote to memory of 2208	2204	rundll32.exe	30
PID 2204 wrote to memory of 2208	2204	rundll32.exe	30
PID 2204 wrote to memory of 2208	2204	rundll32.exe	30
PID 2204 wrote to memory of 2208	2204	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fcbf46246bb3dfa6c8f738ca4dd1ab85_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2204
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\fcbf46246bb3dfa6c8f738ca4dd1ab85_JaffaCakes118.dll,#1
  2⤵
  - Writes to the Master Boot Record (MBR)
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2208

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/2208-3-0x0000000000100000-0x0000000000109000-memory.dmp

Filesize
36KB

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memory/2208-0-0x0000000000100000-0x0000000000109000-memory.dmp

Filesize
36KB

Download