d4b15f6c91aa6047d75aaf9fc36e3c1f0d2dd885518658cd280bc4d420521da9

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
10-10-2024 17:37

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General

Target

311fefed14655fde31f8c09eb954c38a_JaffaCakes118.dll
Size

156KB
MD5

311fefed14655fde31f8c09eb954c38a
SHA1

1c4d4654724498c6ff311fcd5047a75b00d7e2c9
SHA256

d4b15f6c91aa6047d75aaf9fc36e3c1f0d2dd885518658cd280bc4d420521da9
SHA512

1ab5bcab06387a642b7f39f6a7511b532cd01ba67b39fdbe9c93d898930bdc0165a4d66f203be91c38e5e9d2eddb747d4ac6590dedbfa4790b1670190dc14eae
SSDEEP

3072:W64m79OyY/eT1uRKpMVSMLuk7CZ4rUmiPjrW5j+IEUR58aDLXd:W6VOyY/ypYSMLupsNiPfWjP58sLXd

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
1088	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2220 wrote to memory of 1088	2220	rundll32.exe	30
PID 2220 wrote to memory of 1088	2220	rundll32.exe	30
PID 2220 wrote to memory of 1088	2220	rundll32.exe	30
PID 2220 wrote to memory of 1088	2220	rundll32.exe	30
PID 2220 wrote to memory of 1088	2220	rundll32.exe	30
PID 2220 wrote to memory of 1088	2220	rundll32.exe	30
PID 2220 wrote to memory of 1088	2220	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\311fefed14655fde31f8c09eb954c38a_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2220
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\311fefed14655fde31f8c09eb954c38a_JaffaCakes118.dll,#1
  2⤵
  - Writes to the Master Boot Record (MBR)
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:1088

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/1088-0-0x0000000000130000-0x000000000013C000-memory.dmp

Filesize
48KB

Download
memory/1088-2-0x0000000010000000-0x000000001000B000-memory.dmp

Filesize
44KB

Download
memory/1088-1-0x0000000000130000-0x000000000013C000-memory.dmp

Filesize
48KB

Download
memory/1088-5-0x0000000010000000-0x000000001000B000-memory.dmp

Filesize
44KB

Download
memory/1088-4-0x0000000000130000-0x000000000013C000-memory.dmp

Filesize
48KB

Download