42f6cc80832423ff7b941faee7920d66b92ae98d12a6aaca7fce4bf057215c12

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
19-08-2024 05:18

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General

Target

a9bd26e16f31890976759012dd0c9603_JaffaCakes118.dll
Size

156KB
MD5

a9bd26e16f31890976759012dd0c9603
SHA1

5a304f0933b7a9891f368485e92fd0fd06103c72
SHA256

42f6cc80832423ff7b941faee7920d66b92ae98d12a6aaca7fce4bf057215c12
SHA512

248415cdce2d127a3ce48d6a3bf628e9aa5538111bb1916ce09514d65559b9aaf847d96ec5e7b190775661d13bdd58f85aa536def5624ac3d7bfa64fea462ca7
SSDEEP

3072:d8I79z+YQ9HKPm0DcEyCsEcIP4V2ec7yPjJhZqWj7:SYkHKPmMcEy0OGUJDqE

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
2888	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2996 wrote to memory of 2888	2996	rundll32.exe	30
PID 2996 wrote to memory of 2888	2996	rundll32.exe	30
PID 2996 wrote to memory of 2888	2996	rundll32.exe	30
PID 2996 wrote to memory of 2888	2996	rundll32.exe	30
PID 2996 wrote to memory of 2888	2996	rundll32.exe	30
PID 2996 wrote to memory of 2888	2996	rundll32.exe	30
PID 2996 wrote to memory of 2888	2996	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a9bd26e16f31890976759012dd0c9603_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2996
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a9bd26e16f31890976759012dd0c9603_JaffaCakes118.dll,#1
  2⤵
  - Writes to the Master Boot Record (MBR)
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2888

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/2888-1-0x0000000010000000-0x000000001000A000-memory.dmp

Filesize
40KB

Download
memory/2888-4-0x0000000000130000-0x000000000013B000-memory.dmp

Filesize
44KB

Download
memory/2888-0-0x0000000000130000-0x000000000013B000-memory.dmp

Filesize
44KB

Download
memory/2888-6-0x0000000000130000-0x000000000013B000-memory.dmp

Filesize
44KB

Download