Malware Analysis Report

2025-01-03 09:23

Sample ID 240620-qw5ajszgke
Target 067c797f52d75acc17fb63f115517145_JaffaCakes118
SHA256 c49a77f42a2c2348cd5bfb8351f601821ef23d46e8166026bd77a27b8cbc893b
Tags
bootkit persistence
score
7/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
7/10

SHA256

c49a77f42a2c2348cd5bfb8351f601821ef23d46e8166026bd77a27b8cbc893b

Threat Level: Shows suspicious behavior

The file 067c797f52d75acc17fb63f115517145_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

bootkit persistence

Executes dropped EXE

Deletes itself

Writes to the Master Boot Record (MBR)

Drops file in Windows directory

Unsigned PE

Program crash

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-20 13:37

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-20 13:37

Reported

2024-06-20 13:40

Platform

win7-20240611-en

Max time kernel

141s

Max time network

134s

Command Line

"C:\Users\Admin\AppData\Local\Temp\067c797f52d75acc17fb63f115517145_JaffaCakes118.exe"

Signatures

Deletes itself

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\cmd.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\GHFHGJHNSSJDW.exe N/A

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PhysicalDrive0 C:\Users\Admin\AppData\Local\Temp\067c797f52d75acc17fb63f115517145_JaffaCakes118.exe N/A
File opened for modification \??\PhysicalDrive0 C:\Windows\GHFHGJHNSSJDW.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\GHFHGJHNSSJDW.exe C:\Users\Admin\AppData\Local\Temp\067c797f52d75acc17fb63f115517145_JaffaCakes118.exe N/A
File opened for modification C:\Windows\GHFHGJHNSSJDW.exe C:\Users\Admin\AppData\Local\Temp\067c797f52d75acc17fb63f115517145_JaffaCakes118.exe N/A
File created C:\Windows\HKFX2008.BAT C:\Users\Admin\AppData\Local\Temp\067c797f52d75acc17fb63f115517145_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\067c797f52d75acc17fb63f115517145_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\GHFHGJHNSSJDW.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Windows\GHFHGJHNSSJDW.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\067c797f52d75acc17fb63f115517145_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\067c797f52d75acc17fb63f115517145_JaffaCakes118.exe"

C:\Windows\GHFHGJHNSSJDW.exe

C:\Windows\GHFHGJHNSSJDW.exe

C:\Program Files\Internet Explorer\IEXPLORE.EXE

"C:\Program Files\Internet Explorer\IEXPLORE.EXE"

C:\Windows\SysWOW64\cmd.exe

cmd /c C:\Windows\HKFX2008.BAT

Network

Country Destination Domain Proto
US 8.8.8.8:53 tthack.vicp.net udp

Files

memory/2024-0-0x0000000000400000-0x00000000004E4000-memory.dmp

memory/2024-1-0x00000000002A0000-0x00000000002DA000-memory.dmp

memory/2024-4-0x00000000003E0000-0x00000000003E1000-memory.dmp

memory/2024-3-0x0000000000260000-0x0000000000261000-memory.dmp

memory/2024-2-0x00000000003D0000-0x00000000003D1000-memory.dmp

memory/2024-9-0x0000000002040000-0x0000000002041000-memory.dmp

memory/2024-15-0x0000000002F00000-0x0000000002F01000-memory.dmp

memory/2024-14-0x0000000001FF0000-0x0000000001FF1000-memory.dmp

memory/2024-13-0x0000000001FE0000-0x0000000001FE1000-memory.dmp

memory/2024-12-0x0000000001F60000-0x0000000001F61000-memory.dmp

memory/2024-11-0x0000000001F80000-0x0000000001F81000-memory.dmp

memory/2024-10-0x0000000000640000-0x0000000000641000-memory.dmp

memory/2024-8-0x0000000002050000-0x0000000002051000-memory.dmp

memory/2024-7-0x0000000001FD0000-0x0000000001FD1000-memory.dmp

memory/2024-6-0x0000000001FC0000-0x0000000001FC1000-memory.dmp

memory/2024-5-0x0000000000610000-0x0000000000611000-memory.dmp

memory/2024-18-0x0000000000630000-0x0000000000631000-memory.dmp

memory/2024-20-0x0000000001FB0000-0x0000000001FB1000-memory.dmp

memory/2024-19-0x0000000000620000-0x0000000000621000-memory.dmp

C:\Windows\GHFHGJHNSSJDW.exe

MD5 067c797f52d75acc17fb63f115517145
SHA1 895d9741d4b02bc85925c5ee84376ad9a21767b1
SHA256 c49a77f42a2c2348cd5bfb8351f601821ef23d46e8166026bd77a27b8cbc893b
SHA512 af58f39122747bacb733af6965d14ed0df3d16cbd0725e5bfe5c68560f3d60e86896bf18bf0a6dd7bf0522da70c83ae3ea567acc9d762a8f1b36887a2a8ef3b3

memory/2412-22-0x0000000000400000-0x00000000004E4000-memory.dmp

memory/2412-23-0x0000000001C90000-0x0000000001CCA000-memory.dmp

memory/2412-25-0x0000000001E10000-0x0000000001E11000-memory.dmp

memory/2412-31-0x0000000002210000-0x0000000002211000-memory.dmp

memory/2412-33-0x0000000002DE0000-0x0000000002DE1000-memory.dmp

memory/2412-32-0x0000000002220000-0x0000000002221000-memory.dmp

memory/2412-30-0x0000000001E90000-0x0000000001E91000-memory.dmp

memory/2412-29-0x0000000001EB0000-0x0000000001EB1000-memory.dmp

memory/2412-28-0x0000000001E70000-0x0000000001E71000-memory.dmp

memory/2412-27-0x0000000002280000-0x0000000002281000-memory.dmp

memory/2412-26-0x0000000002200000-0x0000000002201000-memory.dmp

memory/2412-24-0x0000000001E00000-0x0000000001E01000-memory.dmp

memory/2024-34-0x0000000000400000-0x00000000004E4000-memory.dmp

memory/2412-36-0x0000000001E50000-0x0000000001E51000-memory.dmp

memory/2412-35-0x0000000001E60000-0x0000000001E61000-memory.dmp

C:\Windows\HKFX2008.BAT

MD5 29cd88c29bcd0d3d1772dd3c968e8096
SHA1 791e256ed68e17c0f6fdd8f383063a4d40c78fe9
SHA256 ba48eea8d7376cb3dbac8919278ffab139cc85846d0ef8b6d785a2f042ce7172
SHA512 3f87ea00182db8223c323333bec465364d22e60a4725f4bf5aadf3064cd4d0ab3630b4b6e4f1c3895163088c6bec1d3c5c4636f22daa03c393779c1fd012aca7

memory/2412-47-0x0000000002240000-0x0000000002241000-memory.dmp

memory/2412-46-0x0000000002230000-0x0000000002231000-memory.dmp

memory/2412-45-0x0000000001E80000-0x0000000001E81000-memory.dmp

memory/2412-50-0x0000000002260000-0x0000000002261000-memory.dmp

memory/2024-49-0x00000000002A0000-0x00000000002DA000-memory.dmp

memory/2412-52-0x0000000000400000-0x00000000004E4000-memory.dmp

memory/2412-54-0x0000000001C90000-0x0000000001CCA000-memory.dmp

memory/2412-53-0x0000000000400000-0x00000000004E4000-memory.dmp

memory/2412-55-0x0000000002DE0000-0x0000000002DE1000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-20 13:37

Reported

2024-06-20 13:40

Platform

win10v2004-20240508-en

Max time kernel

147s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\067c797f52d75acc17fb63f115517145_JaffaCakes118.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\067c797f52d75acc17fb63f115517145_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\067c797f52d75acc17fb63f115517145_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2320 -ip 2320

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2320 -s 220

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2320 -ip 2320

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2320 -s 228

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 2320 -ip 2320

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2320 -s 256

Network

Files

memory/2320-0-0x0000000000400000-0x00000000004E4000-memory.dmp

memory/2320-1-0x0000000000400000-0x00000000004E4000-memory.dmp