27d6c592f2ef7ef62f506575d3ed233e104e79294ab95895a90f8761b68b33d8

Analysis

max time kernel
122s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
18-08-2024 17:00

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General

Target

a77c4a15f1ef30971093733f8954511d_JaffaCakes118.dll
Size

541KB
MD5

a77c4a15f1ef30971093733f8954511d
SHA1

66fd178668cf833cf18d90002288a26b75233ec5
SHA256

27d6c592f2ef7ef62f506575d3ed233e104e79294ab95895a90f8761b68b33d8
SHA512

67f9c71f4c2e90701930fa36756b66a0293f85c4a2e3e90f5fc2883b92929bd7d9e6185f6a041dc1920d02a92f0652d398c160dee6d4f7dcace93cf5237b7c23
SSDEEP

12288:3ANJ9pMer74+KtfJbVb0KOdLet8a9lPmsAa6b7MP+Dd2c8iR:3KJ9pS+Ktf2dLa8MlP7A77MP+h2HiR

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

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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

Modifies registry class 3 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.key	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile"	rundll32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3052	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 900 wrote to memory of 3052	900	rundll32.exe	30
PID 900 wrote to memory of 3052	900	rundll32.exe	30
PID 900 wrote to memory of 3052	900	rundll32.exe	30
PID 900 wrote to memory of 3052	900	rundll32.exe	30
PID 900 wrote to memory of 3052	900	rundll32.exe	30
PID 900 wrote to memory of 3052	900	rundll32.exe	30
PID 900 wrote to memory of 3052	900	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a77c4a15f1ef30971093733f8954511d_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:900
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a77c4a15f1ef30971093733f8954511d_JaffaCakes118.dll,#1
  2⤵
  - Writes to the Master Boot Record (MBR)
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of SetWindowsHookEx
  PID:3052

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 Information Discovery

T1082

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/3052-2-0x000000000084A000-0x000000000084B000-memory.dmp

Filesize
4KB

Download
memory/3052-3-0x0000000000740000-0x0000000000866000-memory.dmp

Filesize
1.1MB

Download
memory/3052-1-0x0000000000740000-0x0000000000866000-memory.dmp

Filesize
1.1MB

Download
memory/3052-0-0x0000000000740000-0x0000000000866000-memory.dmp

Filesize
1.1MB

Download
memory/3052-4-0x0000000000740000-0x0000000000866000-memory.dmp

Filesize
1.1MB

Download
memory/3052-5-0x0000000000740000-0x0000000000866000-memory.dmp

Filesize
1.1MB

Download
memory/3052-13-0x0000000000740000-0x0000000000866000-memory.dmp

Filesize
1.1MB

Download
memory/3052-14-0x0000000000740000-0x0000000000866000-memory.dmp

Filesize
1.1MB

Download
memory/3052-16-0x0000000000740000-0x0000000000866000-memory.dmp

Filesize
1.1MB

Download
memory/3052-15-0x0000000000740000-0x0000000000866000-memory.dmp

Filesize
1.1MB

Download
memory/3052-12-0x0000000000740000-0x0000000000866000-memory.dmp

Filesize
1.1MB

Download
memory/3052-11-0x0000000000740000-0x0000000000866000-memory.dmp

Filesize
1.1MB

Download
memory/3052-10-0x0000000000740000-0x0000000000866000-memory.dmp

Filesize
1.1MB

Download
memory/3052-9-0x0000000000740000-0x0000000000866000-memory.dmp

Filesize
1.1MB

Download
memory/3052-8-0x0000000000740000-0x0000000000866000-memory.dmp

Filesize
1.1MB

Download
memory/3052-7-0x0000000000740000-0x0000000000866000-memory.dmp

Filesize
1.1MB

Download
memory/3052-6-0x0000000000740000-0x0000000000866000-memory.dmp

Filesize
1.1MB

Download
memory/3052-18-0x000000000084A000-0x000000000084B000-memory.dmp

Filesize
4KB

Download

Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads