55673ff9eb3f24c116c958a5733a9e1f19abd8766fe82260342779d8ebe37d79

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
20-04-2024 03:41

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General

Target

fbd82621abed95a2d706f7e773b1dc08_JaffaCakes118.dll
Size

84KB
MD5

fbd82621abed95a2d706f7e773b1dc08
SHA1

9a46fdcb3f0f0fb64875e19c5747eeeffb8676bc
SHA256

55673ff9eb3f24c116c958a5733a9e1f19abd8766fe82260342779d8ebe37d79
SHA512

194053ee39554e7642da9bc38f660bc0c5f9cab03683cd5281f3b41f6e73e928015a3624b715f06b1389842184a652c2d6c8fd60d18f16cc827207235a8e7aa1
SSDEEP

1536:yygg5smOIb70elcp7ZmK7FzpN121h6WbqZAM7lkxY738:6gbxox7tpin6cqZA8dj8

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

2976 rundll32.exe

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

pid	process
2976	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 2956 wrote to memory of 2976	2956	rundll32.exe	rundll32.exe
PID 2956 wrote to memory of 2976	2956	rundll32.exe	rundll32.exe
PID 2956 wrote to memory of 2976	2956	rundll32.exe	rundll32.exe
PID 2956 wrote to memory of 2976	2956	rundll32.exe	rundll32.exe
PID 2956 wrote to memory of 2976	2956	rundll32.exe	rundll32.exe
PID 2956 wrote to memory of 2976	2956	rundll32.exe	rundll32.exe
PID 2956 wrote to memory of 2976	2956	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fbd82621abed95a2d706f7e773b1dc08_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2956

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fbd82621abed95a2d706f7e773b1dc08_JaffaCakes118.dll,#1
2⤵
- Writes to the Master Boot Record (MBR)
- Suspicious behavior: EnumeratesProcesses
PID:2976

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/2976-0-0x0000000000180000-0x0000000000189000-memory.dmp

Filesize
36KB

Download
memory/2976-3-0x0000000000180000-0x0000000000189000-memory.dmp

Filesize
36KB

Download