Malware Analysis Report

2024-10-18 22:05

Sample ID 240616-wc9nta1ake
Target b467fe4f0846e590de42bd04a583dfa8_JaffaCakes118
SHA256 b6913d6f70207f0f14aa1b0f7784cc465b163a5eefbe7095f5a29a2046a5f277
Tags
bootkit persistence upx
score
7/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
7/10

SHA256

b6913d6f70207f0f14aa1b0f7784cc465b163a5eefbe7095f5a29a2046a5f277

Threat Level: Shows suspicious behavior

The file b467fe4f0846e590de42bd04a583dfa8_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

bootkit persistence upx

UPX packed file

Writes to the Master Boot Record (MBR)

Enumerates physical storage devices

Unsigned PE

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of SetWindowsHookEx

Modifies Internet Explorer settings

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-16 17:47

Signatures

UPX packed file

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

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-16 17:47

Reported

2024-06-16 17:50

Platform

win10v2004-20240508-en

Max time kernel

147s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b467fe4f0846e590de42bd04a583dfa8_JaffaCakes118.exe"

Signatures

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
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\b467fe4f0846e590de42bd04a583dfa8_JaffaCakes118.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\b467fe4f0846e590de42bd04a583dfa8_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b467fe4f0846e590de42bd04a583dfa8_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.zhkjdk.com udp
US 8.8.8.8:53 www.zhkjdk.com udp
US 8.8.8.8:53 www.zhkjdk.com udp

Files

memory/2900-0-0x0000000000400000-0x000000000052B000-memory.dmp

memory/2900-1-0x0000000000B30000-0x0000000000B31000-memory.dmp

memory/2900-2-0x0000000000400000-0x000000000052B000-memory.dmp

memory/2900-3-0x0000000000400000-0x000000000052B000-memory.dmp

memory/2900-4-0x0000000000B30000-0x0000000000B31000-memory.dmp

memory/2900-17-0x0000000000400000-0x000000000052B000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-16 17:47

Reported

2024-06-16 17:50

Platform

win7-20240221-en

Max time kernel

140s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b467fe4f0846e590de42bd04a583dfa8_JaffaCakes118.exe"

Signatures

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A
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\b467fe4f0846e590de42bd04a583dfa8_JaffaCakes118.exe N/A

Enumerates physical storage devices

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Main C:\Users\Admin\AppData\Local\Temp\b467fe4f0846e590de42bd04a583dfa8_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b467fe4f0846e590de42bd04a583dfa8_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b467fe4f0846e590de42bd04a583dfa8_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.zhkjdk.com udp
HK 154.93.192.187:80 www.zhkjdk.com tcp
HK 154.93.192.187:80 www.zhkjdk.com tcp
US 8.8.8.8:53 www.zhkjdk.com udp
HK 154.93.192.187:80 www.zhkjdk.com tcp
HK 154.93.192.187:80 www.zhkjdk.com tcp
HK 154.93.192.187:80 www.zhkjdk.com tcp

Files

memory/2340-0-0x0000000000400000-0x000000000052B000-memory.dmp

memory/2340-1-0x00000000001B0000-0x00000000001B1000-memory.dmp

memory/2340-3-0x0000000001DF0000-0x0000000001E00000-memory.dmp

memory/2340-2-0x0000000001DF0000-0x0000000001E00000-memory.dmp

memory/2340-19-0x0000000000400000-0x000000000052B000-memory.dmp

memory/2340-21-0x00000000001B0000-0x00000000001B1000-memory.dmp

memory/2340-22-0x0000000001DF0000-0x0000000001E00000-memory.dmp

memory/2340-23-0x0000000001DF0000-0x0000000001E00000-memory.dmp