Malware Analysis Report

2025-08-06 00:24

Sample ID 240611-bb4qysybpr
Target 9c82760cfda5c92245b47cbb571b16ba_JaffaCakes118
SHA256 76ef53e410d4ebc793abd108cceefddb0ad067a48f9109cd4a8c90f9578cc8c3
Tags
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: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral4

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral5

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral6

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral7

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral8

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
7/10

SHA256

76ef53e410d4ebc793abd108cceefddb0ad067a48f9109cd4a8c90f9578cc8c3

Threat Level: Shows suspicious behavior

The file 9c82760cfda5c92245b47cbb571b16ba_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

upx

UPX packed file

Unsigned PE

Enumerates physical storage devices

Modifies registry class

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-11 00:59

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-11 00:59

Reported

2024-06-11 01:01

Platform

win10v2004-20240508-en

Max time kernel

147s

Max time network

150s

Command Line

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

Signatures

UPX packed file

upx
Description Indicator Process Target
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Enumerates physical storage devices

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000_Classes\Local Settings C:\Users\Admin\AppData\Local\Temp\CFbug.exe N/A

Suspicious use of SetWindowsHookEx

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

Processes

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

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

C:\Windows\System32\rundll32.exe

C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding

Network

Country Destination Domain Proto
US 8.8.8.8:53 note.youdao.com udp

Files

memory/2688-0-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2688-43-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2688-44-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2688-41-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2688-38-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2688-32-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2688-30-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2688-28-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2688-26-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2688-22-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2688-20-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2688-18-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2688-16-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2688-14-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2688-12-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2688-10-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2688-8-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2688-6-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2688-4-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2688-2-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2688-1-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2688-36-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2688-24-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2688-45-0x0000000010000000-0x000000001003E000-memory.dmp

Analysis: behavioral3

Detonation Overview

Submitted

2024-06-11 00:59

Reported

2024-06-11 01:01

Platform

win7-20231129-en

Max time kernel

118s

Max time network

119s

Command Line

"C:\Windows\System32\rundll32.exe" "C:\Windows\System32\ieframe.dll",OpenURL C:\Users\Admin\AppData\Local\Temp\实用软件.url

Signatures

N/A

Processes

C:\Windows\System32\rundll32.exe

"C:\Windows\System32\rundll32.exe" "C:\Windows\System32\ieframe.dll",OpenURL C:\Users\Admin\AppData\Local\Temp\实用软件.url

Network

N/A

Files

memory/2344-0-0x00000000002E0000-0x00000000002E1000-memory.dmp

Analysis: behavioral4

Detonation Overview

Submitted

2024-06-11 00:59

Reported

2024-06-11 01:01

Platform

win10v2004-20240508-en

Max time kernel

51s

Max time network

51s

Command Line

"C:\Windows\System32\rundll32.exe" "C:\Windows\System32\ieframe.dll",OpenURL C:\Users\Admin\AppData\Local\Temp\实用软件.url

Signatures

N/A

Processes

C:\Windows\System32\rundll32.exe

"C:\Windows\System32\rundll32.exe" "C:\Windows\System32\ieframe.dll",OpenURL C:\Users\Admin\AppData\Local\Temp\实用软件.url

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp

Files

N/A

Analysis: behavioral5

Detonation Overview

Submitted

2024-06-11 00:59

Reported

2024-06-11 01:01

Platform

win7-20240221-en

Max time kernel

118s

Max time network

119s

Command Line

"C:\Windows\System32\rundll32.exe" "C:\Windows\System32\ieframe.dll",OpenURL C:\Users\Admin\AppData\Local\Temp\更多QQ活动.url

Signatures

N/A

Processes

C:\Windows\System32\rundll32.exe

"C:\Windows\System32\rundll32.exe" "C:\Windows\System32\ieframe.dll",OpenURL C:\Users\Admin\AppData\Local\Temp\更多QQ活动.url

Network

N/A

Files

memory/2364-0-0x00000000003C0000-0x00000000003C1000-memory.dmp

Analysis: behavioral6

Detonation Overview

Submitted

2024-06-11 00:59

Reported

2024-06-11 01:01

Platform

win10v2004-20240508-en

Max time kernel

147s

Max time network

151s

Command Line

"C:\Windows\System32\rundll32.exe" "C:\Windows\System32\ieframe.dll",OpenURL C:\Users\Admin\AppData\Local\Temp\更多QQ活动.url

Signatures

N/A

Processes

C:\Windows\System32\rundll32.exe

"C:\Windows\System32\rundll32.exe" "C:\Windows\System32\ieframe.dll",OpenURL C:\Users\Admin\AppData\Local\Temp\更多QQ活动.url

Network

Files

N/A

Analysis: behavioral7

Detonation Overview

Submitted

2024-06-11 00:59

Reported

2024-06-11 01:01

Platform

win7-20240221-en

Max time kernel

117s

Max time network

119s

Command Line

"C:\Windows\System32\rundll32.exe" "C:\Windows\System32\ieframe.dll",OpenURL C:\Users\Admin\AppData\Local\Temp\访问技术QQ网.url

Signatures

N/A

Processes

C:\Windows\System32\rundll32.exe

"C:\Windows\System32\rundll32.exe" "C:\Windows\System32\ieframe.dll",OpenURL C:\Users\Admin\AppData\Local\Temp\访问技术QQ网.url

Network

N/A

Files

memory/2120-0-0x0000000000220000-0x0000000000221000-memory.dmp

Analysis: behavioral8

Detonation Overview

Submitted

2024-06-11 00:59

Reported

2024-06-11 01:01

Platform

win10v2004-20240426-en

Max time kernel

150s

Max time network

151s

Command Line

"C:\Windows\System32\rundll32.exe" "C:\Windows\System32\ieframe.dll",OpenURL C:\Users\Admin\AppData\Local\Temp\访问技术QQ网.url

Signatures

N/A

Processes

C:\Windows\System32\rundll32.exe

"C:\Windows\System32\rundll32.exe" "C:\Windows\System32\ieframe.dll",OpenURL C:\Users\Admin\AppData\Local\Temp\访问技术QQ网.url

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 138.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 203.107.17.2.in-addr.arpa udp

Files

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-11 00:59

Reported

2024-06-11 01:01

Platform

win7-20240419-en

Max time kernel

118s

Max time network

118s

Command Line

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

Signatures

UPX packed file

upx
Description Indicator Process Target
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Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

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

Processes

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 note.youdao.com udp

Files

memory/1008-0-0x0000000010000000-0x000000001003E000-memory.dmp

memory/1008-1-0x0000000010000000-0x000000001003E000-memory.dmp

memory/1008-2-0x0000000010000000-0x000000001003E000-memory.dmp

memory/1008-3-0x0000000010000000-0x000000001003E000-memory.dmp

memory/1008-5-0x0000000010000000-0x000000001003E000-memory.dmp

memory/1008-7-0x0000000010000000-0x000000001003E000-memory.dmp

memory/1008-15-0x0000000010000000-0x000000001003E000-memory.dmp

memory/1008-11-0x0000000010000000-0x000000001003E000-memory.dmp

memory/1008-13-0x0000000010000000-0x000000001003E000-memory.dmp

memory/1008-9-0x0000000010000000-0x000000001003E000-memory.dmp

memory/1008-34-0x0000000010000000-0x000000001003E000-memory.dmp

memory/1008-31-0x0000000010000000-0x000000001003E000-memory.dmp

memory/1008-29-0x0000000010000000-0x000000001003E000-memory.dmp

memory/1008-26-0x0000000010000000-0x000000001003E000-memory.dmp

memory/1008-39-0x0000000010000000-0x000000001003E000-memory.dmp

memory/1008-38-0x0000000010000000-0x000000001003E000-memory.dmp

memory/1008-22-0x0000000010000000-0x000000001003E000-memory.dmp

memory/1008-21-0x0000000010000000-0x000000001003E000-memory.dmp

memory/1008-49-0x0000000010000000-0x000000001003E000-memory.dmp

memory/1008-46-0x0000000010000000-0x000000001003E000-memory.dmp

memory/1008-44-0x0000000010000000-0x000000001003E000-memory.dmp

memory/1008-42-0x0000000010000000-0x000000001003E000-memory.dmp

memory/1008-40-0x0000000010000000-0x000000001003E000-memory.dmp

memory/1008-17-0x0000000010000000-0x000000001003E000-memory.dmp

memory/1008-50-0x0000000010000000-0x000000001003E000-memory.dmp