f5aff0a5441e93f11d3a075de293d60123a0b156187f435b24bb314cc756b17c

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
20-04-2024 02:06

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

fbb043fa3913efacafd5b4000f5daa0b_JaffaCakes118.dll
Size

124KB
MD5

fbb043fa3913efacafd5b4000f5daa0b
SHA1

09e8cee71c786b6cdb8a7fd0009ba1746a332add
SHA256

f5aff0a5441e93f11d3a075de293d60123a0b156187f435b24bb314cc756b17c
SHA512

cd5219191d240ff1bf96982264d3cc054061a51c3372e15d8ca33833433ba420583ea64b45b937bc46272e35759e2ab1284982355488b0099b093d38d0942128
SSDEEP

1536:zQFTrStYIOvdwx71+CBHJoOYdWuWbsgTXfZzALGVAjnIqTsmaeCQtt5+R:IStxydoxtHbYdVabZaNkqWeCQtt5+R

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

1736 rundll32.exe

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

pid	process
1736	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1772 wrote to memory of 1736	1772	rundll32.exe	rundll32.exe
PID 1772 wrote to memory of 1736	1772	rundll32.exe	rundll32.exe
PID 1772 wrote to memory of 1736	1772	rundll32.exe	rundll32.exe
PID 1772 wrote to memory of 1736	1772	rundll32.exe	rundll32.exe
PID 1772 wrote to memory of 1736	1772	rundll32.exe	rundll32.exe
PID 1772 wrote to memory of 1736	1772	rundll32.exe	rundll32.exe
PID 1772 wrote to memory of 1736	1772	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fbb043fa3913efacafd5b4000f5daa0b_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1772

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fbb043fa3913efacafd5b4000f5daa0b_JaffaCakes118.dll,#1
2⤵
- Writes to the Master Boot Record (MBR)
- Suspicious behavior: EnumeratesProcesses
PID:1736

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

Loading Replay Monitor...

Downloads

memory/1736-0-0x00000000001B0000-0x00000000001BB000-memory.dmp

Filesize
44KB

Download
memory/1736-1-0x0000000010000000-0x000000001000A000-memory.dmp

Filesize
40KB

Download
memory/1736-4-0x0000000010000000-0x000000001000A000-memory.dmp

Filesize
40KB

Download