a11fdb144a24b2be8e6892a2f84dc90a0e33bb040f00f1bc31892ce621a65312

Analysis

max time kernel
140s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
09/07/2024, 12:01

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

304ad5d91acb84dbcc6c6473f3d39bd9_JaffaCakes118.exe
Size

241KB
MD5

304ad5d91acb84dbcc6c6473f3d39bd9
SHA1

90c16866ea4131433693deca4d8c8d452dde1861
SHA256

a11fdb144a24b2be8e6892a2f84dc90a0e33bb040f00f1bc31892ce621a65312
SHA512

200d10b2b4a58fd1d2f5dd916567097f8bc36b213480fcc1276ff5bb860dba43220ab04b6e9b6e093887d8a93b34632638a8f9c5fb364076f6e3a1c29a4f4640
SSDEEP

6144:F+qB2naFPH+ns0gBswvP6bQ7yMP+DE827N0GV/5:F+qBlFPH+nh8d6b7MP+Dd2J3

Score

6^/10

bootkit persistence

Malware Config

Signatures

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	304ad5d91acb84dbcc6c6473f3d39bd9_JaffaCakes118.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\inf\ram32xp.dll	304ad5d91acb84dbcc6c6473f3d39bd9_JaffaCakes118.exe
File created	C:\Windows\inf\ram65xp.dll	304ad5d91acb84dbcc6c6473f3d39bd9_JaffaCakes118.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2524	1244	WerFault.exe	29

Modifies registry class 3 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.key	304ad5d91acb84dbcc6c6473f3d39bd9_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\	304ad5d91acb84dbcc6c6473f3d39bd9_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile"	304ad5d91acb84dbcc6c6473f3d39bd9_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1244 wrote to memory of 2524	1244	304ad5d91acb84dbcc6c6473f3d39bd9_JaffaCakes118.exe	30
PID 1244 wrote to memory of 2524	1244	304ad5d91acb84dbcc6c6473f3d39bd9_JaffaCakes118.exe	30
PID 1244 wrote to memory of 2524	1244	304ad5d91acb84dbcc6c6473f3d39bd9_JaffaCakes118.exe	30
PID 1244 wrote to memory of 2524	1244	304ad5d91acb84dbcc6c6473f3d39bd9_JaffaCakes118.exe	30
PID 1244 wrote to memory of 2524	1244	304ad5d91acb84dbcc6c6473f3d39bd9_JaffaCakes118.exe	30
PID 1244 wrote to memory of 2524	1244	304ad5d91acb84dbcc6c6473f3d39bd9_JaffaCakes118.exe	30
PID 1244 wrote to memory of 2524	1244	304ad5d91acb84dbcc6c6473f3d39bd9_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\304ad5d91acb84dbcc6c6473f3d39bd9_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\304ad5d91acb84dbcc6c6473f3d39bd9_JaffaCakes118.exe"
1⤵
- Writes to the Master Boot Record (MBR)
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1244
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1244 -s 524
  2⤵
  - Program crash
  PID:2524

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1244-0-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/1244-1-0x0000000000320000-0x000000000039A000-memory.dmp

Filesize
488KB

Download
memory/1244-4-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/1244-3-0x0000000000459000-0x000000000045A000-memory.dmp

Filesize
4KB

Download
memory/1244-2-0x0000000000320000-0x000000000039A000-memory.dmp

Filesize
488KB

Download
memory/1244-6-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/1244-7-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/1244-9-0x0000000000320000-0x000000000039A000-memory.dmp

Filesize
488KB

Download
memory/1244-10-0x0000000000459000-0x000000000045A000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads