43b282de9f4e59a44bfcf1e3f349e3fd67d218150e39a8a9e7fca91ffde0094d

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
19/08/2024, 20:13

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General

Target

ac6b148ed330f407eec5053a1c551a3a_JaffaCakes118.dll
Size

91KB
MD5

ac6b148ed330f407eec5053a1c551a3a
SHA1

962cc62147f1d3047961131b2b5ef528ea45d9af
SHA256

43b282de9f4e59a44bfcf1e3f349e3fd67d218150e39a8a9e7fca91ffde0094d
SHA512

41925c5795baf3f7a445d7bc8dbf6ee65e068704a10818143c5ce01e37bc03544cd530234a205954c60a0b03f7799e0bc1d7a446580c6324cb42858b52b978e9
SSDEEP

1536:qdgFeF5xGXB9bj/1OIiTzPb2pYLANd0Pc0eENn:qdgFoxch9iXWo+qcRE

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
2976	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2228 wrote to memory of 2976	2228	rundll32.exe	30
PID 2228 wrote to memory of 2976	2228	rundll32.exe	30
PID 2228 wrote to memory of 2976	2228	rundll32.exe	30
PID 2228 wrote to memory of 2976	2228	rundll32.exe	30
PID 2228 wrote to memory of 2976	2228	rundll32.exe	30
PID 2228 wrote to memory of 2976	2228	rundll32.exe	30
PID 2228 wrote to memory of 2976	2228	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ac6b148ed330f407eec5053a1c551a3a_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2228
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ac6b148ed330f407eec5053a1c551a3a_JaffaCakes118.dll,#1
  2⤵
  - Writes to the Master Boot Record (MBR)
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2976

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/2976-0-0x0000000000170000-0x0000000000179000-memory.dmp

Filesize
36KB

Download
memory/2976-3-0x0000000000170000-0x0000000000179000-memory.dmp

Filesize
36KB

Download