b02c4bac4727b4533a181be84b1f9e15eb5bd0331eaa673cd23c9feeec593bd5

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
16/08/2024, 23:04

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General

Target

a049eebb46733f827bbce4ba7249a54f_JaffaCakes118.dll
Size

464KB
MD5

a049eebb46733f827bbce4ba7249a54f
SHA1

d6439f80c796d5a7c55d943ca7c0cb0fccc33b3b
SHA256

b02c4bac4727b4533a181be84b1f9e15eb5bd0331eaa673cd23c9feeec593bd5
SHA512

61dd5b74d203341c79844a53795089226c40aceef114eaa306048ceaeb86cc1d6216b761c9c58584e70dfb321b1fe4bea5385ce81c66c4fc3a8f874d99b20857
SSDEEP

12288:cJB+wy1cHgm0uz7Q4ak//sp3NpRU2LCj63I:cJIkgmHz04/G3NpqSCz

Score

6^/10

bootkit discovery persistence

Malware Config

Signatures

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

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\-720-896	rundll32.exe
File created	C:\Windows\SysWOW64\1a8ec	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 use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1984 wrote to memory of 700	1984	rundll32.exe	30
PID 1984 wrote to memory of 700	1984	rundll32.exe	30
PID 1984 wrote to memory of 700	1984	rundll32.exe	30
PID 1984 wrote to memory of 700	1984	rundll32.exe	30
PID 1984 wrote to memory of 700	1984	rundll32.exe	30
PID 1984 wrote to memory of 700	1984	rundll32.exe	30
PID 1984 wrote to memory of 700	1984	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a049eebb46733f827bbce4ba7249a54f_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1984
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a049eebb46733f827bbce4ba7249a54f_JaffaCakes118.dll,#1
  2⤵
  - Writes to the Master Boot Record (MBR)
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  PID:700

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

Windows 7 deprecation

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads