ecd6dc664c8bbd82a2deec45c595ea32c5c51a7bd3567a77ad02046296529ba0

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
20-04-2024 02:52

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General

Target

fbc4707ef173c77f9a159cc753d0c7f8_JaffaCakes118.dll
Size

72KB
MD5

fbc4707ef173c77f9a159cc753d0c7f8
SHA1

4e6505262f870f5bdf899283e73c8240ffa076a9
SHA256

ecd6dc664c8bbd82a2deec45c595ea32c5c51a7bd3567a77ad02046296529ba0
SHA512

5e3b1dedbab37fc24c0226392b71e92ea1d88f535f0fc23f768075b1a23a652ac81b21d7e0cc75db7630f7a3e80e0365d6453f32eefe022587f94b97fd41d215
SSDEEP

1536:KPZ4ryumkAdoo9zQX5T+arUAoeak0XrGqREESnfwj:KOryumkAdoo9zQpT+a4nk0XrGiVlj

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

Processes:

rundll32.exe

description ioc process

File opened for modification \??\PhysicalDrive0 rundll32.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

rundll32.exe

pid process

2252 rundll32.exe

description	ioc	process
File opened for modification	\??\PhysicalDrive0	rundll32.exe

pid	process
2252	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 2276 wrote to memory of 2252	2276	rundll32.exe	rundll32.exe
PID 2276 wrote to memory of 2252	2276	rundll32.exe	rundll32.exe
PID 2276 wrote to memory of 2252	2276	rundll32.exe	rundll32.exe
PID 2276 wrote to memory of 2252	2276	rundll32.exe	rundll32.exe
PID 2276 wrote to memory of 2252	2276	rundll32.exe	rundll32.exe
PID 2276 wrote to memory of 2252	2276	rundll32.exe	rundll32.exe
PID 2276 wrote to memory of 2252	2276	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fbc4707ef173c77f9a159cc753d0c7f8_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2276

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fbc4707ef173c77f9a159cc753d0c7f8_JaffaCakes118.dll,#1
2⤵
- Writes to the Master Boot Record (MBR)
- Suspicious behavior: EnumeratesProcesses
PID:2252

MITRE ATT&CK Matrix ATT&CK v13

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

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/2252-0-0x0000000000130000-0x000000000013A000-memory.dmp

Filesize
40KB

Download
memory/2252-1-0x0000000010000000-0x0000000010009000-memory.dmp

Filesize
36KB

Download