Malware Analysis Report

2025-08-10 18:06

Sample ID 240507-d93bwsge6w
Target 1f5555b4ff35c168e3e1b8d6de08f4fe_JaffaCakes118
SHA256 10b3532b1193ffc9f12cf37e66951179c2905fa083d51a888c00a7f080a06a2d
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

10b3532b1193ffc9f12cf37e66951179c2905fa083d51a888c00a7f080a06a2d

Threat Level: Shows suspicious behavior

The file 1f5555b4ff35c168e3e1b8d6de08f4fe_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

bootkit persistence

ACProtect 1.3x - 1.4x DLL software

Loads dropped DLL

Writes to the Master Boot Record (MBR)

Unsigned PE

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-07 03:43

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-07 03:43

Reported

2024-05-07 03:45

Platform

win7-20240221-en

Max time kernel

117s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1f5555b4ff35c168e3e1b8d6de08f4fe_JaffaCakes118.exe"

Signatures

ACProtect 1.3x - 1.4x DLL software

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

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\1f5555b4ff35c168e3e1b8d6de08f4fe_JaffaCakes118.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\1f5555b4ff35c168e3e1b8d6de08f4fe_JaffaCakes118.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\1f5555b4ff35c168e3e1b8d6de08f4fe_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\1f5555b4ff35c168e3e1b8d6de08f4fe_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\1f5555b4ff35c168e3e1b8d6de08f4fe_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 get.sogou.com udp
HK 129.226.102.244:80 get.sogou.com tcp

Files

memory/2224-0-0x0000000000400000-0x0000000000471000-memory.dmp

\Users\Admin\AppData\Local\Temp\del2923.tmp

MD5 685f1cbd4af30a1d0c25f252d399a666
SHA1 6a1b978f5e6150b88c8634146f1406ed97d2f134
SHA256 0e478c95a7a07570a69e6061e7c1da9001bccad9cc454f2ed4da58824a13e0f4
SHA512 6555ad6b4f4f26105ca8aad64501d74519a3e091f559b4b563d6ffb20a2ddfcde65e4fe94971a9bc65e86db577f2548ca00f9920d341c8ea808b04c0947d61d9

memory/2224-4-0x0000000000310000-0x0000000000383000-memory.dmp

memory/2224-9-0x0000000000310000-0x0000000000383000-memory.dmp

memory/2224-10-0x0000000000400000-0x0000000000471000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-07 03:43

Reported

2024-05-07 03:45

Platform

win10v2004-20240419-en

Max time kernel

130s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1f5555b4ff35c168e3e1b8d6de08f4fe_JaffaCakes118.exe"

Signatures

ACProtect 1.3x - 1.4x DLL software

Description Indicator Process Target
N/A N/A N/A 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\1f5555b4ff35c168e3e1b8d6de08f4fe_JaffaCakes118.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\1f5555b4ff35c168e3e1b8d6de08f4fe_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\1f5555b4ff35c168e3e1b8d6de08f4fe_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\1f5555b4ff35c168e3e1b8d6de08f4fe_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 get.sogou.com udp
HK 129.226.103.145:80 get.sogou.com tcp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 145.103.226.129.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 139.53.16.96.in-addr.arpa udp
US 8.8.8.8:53 48.251.17.2.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp

Files

memory/4912-0-0x0000000000400000-0x0000000000471000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\jfi3B63.tmp

MD5 685f1cbd4af30a1d0c25f252d399a666
SHA1 6a1b978f5e6150b88c8634146f1406ed97d2f134
SHA256 0e478c95a7a07570a69e6061e7c1da9001bccad9cc454f2ed4da58824a13e0f4
SHA512 6555ad6b4f4f26105ca8aad64501d74519a3e091f559b4b563d6ffb20a2ddfcde65e4fe94971a9bc65e86db577f2548ca00f9920d341c8ea808b04c0947d61d9

memory/4912-8-0x0000000002110000-0x0000000002183000-memory.dmp

memory/4912-7-0x0000000002110000-0x0000000002183000-memory.dmp

memory/4912-14-0x0000000000400000-0x0000000000471000-memory.dmp

memory/4912-13-0x0000000002110000-0x0000000002183000-memory.dmp