f3b2fa472a11eb9651aed000e706d7e46293c5af7a58198fbabf68e2761d435f

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09/09/2024, 00:22

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General

Target

d55c26a789f6132b3cde5a024c1f34ac_JaffaCakes118.dll
Size

77KB
MD5

d55c26a789f6132b3cde5a024c1f34ac
SHA1

49b71b2b16c6a1e9c1bdd0fb05010bc064192817
SHA256

f3b2fa472a11eb9651aed000e706d7e46293c5af7a58198fbabf68e2761d435f
SHA512

b9c61574391cb690018886e1e8bb52c9d9c37d747044fabcf20d4b7f34406d5708f04be9fb0bf671149ffd95dc477ea4645320609dc29d538b14136b69e654c9
SSDEEP

1536:9g+Wwui98W2BXtFiTWhgxHGKz5yfDBMBc+7MUo4L8YjHM/W:9BWwu4o52TWkHGKzwfDGBy+Pg

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
1232	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1260 wrote to memory of 1232	1260	rundll32.exe	30
PID 1260 wrote to memory of 1232	1260	rundll32.exe	30
PID 1260 wrote to memory of 1232	1260	rundll32.exe	30
PID 1260 wrote to memory of 1232	1260	rundll32.exe	30
PID 1260 wrote to memory of 1232	1260	rundll32.exe	30
PID 1260 wrote to memory of 1232	1260	rundll32.exe	30
PID 1260 wrote to memory of 1232	1260	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d55c26a789f6132b3cde5a024c1f34ac_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1260
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\d55c26a789f6132b3cde5a024c1f34ac_JaffaCakes118.dll,#1
  2⤵
  - Writes to the Master Boot Record (MBR)
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:1232

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/1232-0-0x00000000001F0000-0x00000000001FC000-memory.dmp

Filesize
48KB

Download
memory/1232-2-0x0000000010000000-0x000000001000B000-memory.dmp

Filesize
44KB

Download
memory/1232-1-0x00000000001F0000-0x00000000001FC000-memory.dmp

Filesize
48KB

Download
memory/1232-4-0x0000000010000000-0x000000001000B000-memory.dmp

Filesize
44KB

Download
memory/1232-7-0x0000000010000000-0x000000001000B000-memory.dmp

Filesize
44KB

Download
memory/1232-6-0x00000000001F0000-0x00000000001FC000-memory.dmp

Filesize
48KB

Download