Malware Analysis Report

2025-01-03 09:22

Sample ID 240620-q2fjda1akb
Target 068906b84ebd161a9d2414f9ff97745c_JaffaCakes118
SHA256 32eb609e7e56f9ed5e31a7dec1108ec6177784ad5e90612f3ac6a4af4fcf8edc
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

32eb609e7e56f9ed5e31a7dec1108ec6177784ad5e90612f3ac6a4af4fcf8edc

Threat Level: Shows suspicious behavior

The file 068906b84ebd161a9d2414f9ff97745c_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

bootkit persistence

Loads dropped DLL

Executes dropped EXE

Writes to the Master Boot Record (MBR)

Adds Run key to start application

Drops file in Windows directory

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-20 13:45

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-20 13:45

Reported

2024-06-20 13:47

Platform

win7-20231129-en

Max time kernel

141s

Max time network

135s

Command Line

"C:\Users\Admin\AppData\Local\Temp\068906b84ebd161a9d2414f9ff97745c_JaffaCakes118.exe"

Signatures

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4_BK.exe N/A
N/A N/A C:\Windows\Hacker.com.cn.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\"" C:\Users\Admin\AppData\Local\Temp\068906b84ebd161a9d2414f9ff97745c_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\068906b84ebd161a9d2414f9ff97745c_JaffaCakes118.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\Hacker.com.cn.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4_BK.exe N/A
File opened for modification C:\Windows\Hacker.com.cn.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4_BK.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4_BK.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Hacker.com.cn.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Windows\Hacker.com.cn.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2168 wrote to memory of 2748 N/A C:\Users\Admin\AppData\Local\Temp\068906b84ebd161a9d2414f9ff97745c_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4_BK.exe
PID 2168 wrote to memory of 2748 N/A C:\Users\Admin\AppData\Local\Temp\068906b84ebd161a9d2414f9ff97745c_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4_BK.exe
PID 2168 wrote to memory of 2748 N/A C:\Users\Admin\AppData\Local\Temp\068906b84ebd161a9d2414f9ff97745c_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4_BK.exe
PID 2168 wrote to memory of 2748 N/A C:\Users\Admin\AppData\Local\Temp\068906b84ebd161a9d2414f9ff97745c_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4_BK.exe
PID 2168 wrote to memory of 2748 N/A C:\Users\Admin\AppData\Local\Temp\068906b84ebd161a9d2414f9ff97745c_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4_BK.exe
PID 2168 wrote to memory of 2748 N/A C:\Users\Admin\AppData\Local\Temp\068906b84ebd161a9d2414f9ff97745c_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4_BK.exe
PID 2168 wrote to memory of 2748 N/A C:\Users\Admin\AppData\Local\Temp\068906b84ebd161a9d2414f9ff97745c_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4_BK.exe
PID 2484 wrote to memory of 2088 N/A C:\Windows\Hacker.com.cn.exe C:\Program Files\Internet Explorer\IEXPLORE.EXE
PID 2484 wrote to memory of 2088 N/A C:\Windows\Hacker.com.cn.exe C:\Program Files\Internet Explorer\IEXPLORE.EXE
PID 2484 wrote to memory of 2088 N/A C:\Windows\Hacker.com.cn.exe C:\Program Files\Internet Explorer\IEXPLORE.EXE
PID 2484 wrote to memory of 2088 N/A C:\Windows\Hacker.com.cn.exe C:\Program Files\Internet Explorer\IEXPLORE.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\068906b84ebd161a9d2414f9ff97745c_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\068906b84ebd161a9d2414f9ff97745c_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4_BK.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4_BK.exe

C:\Windows\Hacker.com.cn.exe

C:\Windows\Hacker.com.cn.exe

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 zxfmxz.xicp.net udp

Files

memory/2168-0-0x0000000001000000-0x0000000001084000-memory.dmp

memory/2168-2-0x0000000001000000-0x0000000001084000-memory.dmp

memory/2168-1-0x0000000001060000-0x0000000001061000-memory.dmp

memory/2168-3-0x0000000001000000-0x0000000001084000-memory.dmp

\Users\Admin\AppData\Local\Temp\IXP000.TMP\4_BK.exe

MD5 3dfae1b8726b0b48f976d2dce5bcaeaa
SHA1 93ca66675eae53f397308bdb81cbecf4cfe8dff5
SHA256 decfaea1fd05b66bd28af304f5fd16a742668ff2cd9c47b946be6b4ee78a7b3c
SHA512 2787db9630967b372496893376a25124ed97b61b6ad7e6f03f9754d56cdccb21fb2077303b80b00745e0a083dffb98e3b9e8c6ca9c1056be55710a2b22550d7c

memory/2484-19-0x0000000000260000-0x0000000000261000-memory.dmp

memory/2748-20-0x0000000000400000-0x00000000004CE000-memory.dmp

memory/2168-21-0x0000000001000000-0x0000000001084000-memory.dmp

memory/2484-22-0x0000000000400000-0x00000000004CE000-memory.dmp

memory/2484-24-0x0000000000260000-0x0000000000261000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-20 13:45

Reported

2024-06-20 13:47

Platform

win10v2004-20240611-en

Max time kernel

143s

Max time network

130s

Command Line

"C:\Users\Admin\AppData\Local\Temp\068906b84ebd161a9d2414f9ff97745c_JaffaCakes118.exe"

Signatures

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4_BK.exe N/A
N/A N/A C:\Windows\Hacker.com.cn.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\"" C:\Users\Admin\AppData\Local\Temp\068906b84ebd161a9d2414f9ff97745c_JaffaCakes118.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\Hacker.com.cn.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4_BK.exe N/A
File opened for modification C:\Windows\Hacker.com.cn.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4_BK.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4_BK.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Hacker.com.cn.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Windows\Hacker.com.cn.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\068906b84ebd161a9d2414f9ff97745c_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\068906b84ebd161a9d2414f9ff97745c_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4_BK.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4_BK.exe

C:\Windows\Hacker.com.cn.exe

C:\Windows\Hacker.com.cn.exe

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 97.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 97.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 zxfmxz.xicp.net udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 zxfmxz.xicp.net udp
US 8.8.8.8:53 144.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 zxfmxz.xicp.net 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 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
US 8.8.8.8:53 zxfmxz.xicp.net udp

Files

memory/1664-0-0x0000000001000000-0x0000000001084000-memory.dmp

memory/1664-1-0x0000000001060000-0x0000000001061000-memory.dmp

memory/1664-2-0x0000000001000000-0x0000000001084000-memory.dmp

memory/1664-7-0x0000000001000000-0x0000000001084000-memory.dmp

memory/1664-6-0x0000000001000000-0x0000000001084000-memory.dmp

memory/1664-5-0x0000000001000000-0x0000000001084000-memory.dmp

memory/1664-4-0x0000000001000000-0x0000000001084000-memory.dmp

memory/1664-3-0x0000000001000000-0x0000000001084000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4_BK.exe

MD5 3dfae1b8726b0b48f976d2dce5bcaeaa
SHA1 93ca66675eae53f397308bdb81cbecf4cfe8dff5
SHA256 decfaea1fd05b66bd28af304f5fd16a742668ff2cd9c47b946be6b4ee78a7b3c
SHA512 2787db9630967b372496893376a25124ed97b61b6ad7e6f03f9754d56cdccb21fb2077303b80b00745e0a083dffb98e3b9e8c6ca9c1056be55710a2b22550d7c

memory/1924-17-0x0000000000400000-0x00000000004CE000-memory.dmp

memory/1664-19-0x0000000001000000-0x0000000001084000-memory.dmp

memory/4184-20-0x0000000000400000-0x00000000004CE000-memory.dmp