Malware Analysis Report

2025-03-15 05:52

Sample ID 240628-dvqpjs1drn
Target 1898b7ec07e1cdc844af1da354ab15cf_JaffaCakes118
SHA256 f6ed1a57eece0eb34d4a45cdd4bb058238a403fcdf8c27f172415188d35575cc
Tags
vmprotect
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: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral4

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
7/10

SHA256

f6ed1a57eece0eb34d4a45cdd4bb058238a403fcdf8c27f172415188d35575cc

Threat Level: Shows suspicious behavior

The file 1898b7ec07e1cdc844af1da354ab15cf_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

vmprotect

VMProtect packed file

Unsigned PE

Enumerates physical storage devices

Modifies Internet Explorer settings

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-28 03:20

Signatures

VMProtect packed file

vmprotect
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: behavioral1

Detonation Overview

Submitted

2024-06-28 03:20

Reported

2024-06-28 03:22

Platform

win7-20240611-en

Max time kernel

120s

Max time network

121s

Command Line

"C:\Windows\System32\rundll32.exe" "C:\Windows\System32\ieframe.dll",OpenURL C:\Users\Admin\AppData\Local\Temp\CFyzwgSP613\155绿色软件站.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\CFyzwgSP613\155绿色软件站.url

Network

N/A

Files

memory/2376-0-0x0000000000320000-0x0000000000321000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-28 03:20

Reported

2024-06-28 03:22

Platform

win10v2004-20240508-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Windows\System32\rundll32.exe" "C:\Windows\System32\ieframe.dll",OpenURL C:\Users\Admin\AppData\Local\Temp\CFyzwgSP613\155绿色软件站.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\CFyzwgSP613\155绿色软件站.url

Network

Country Destination Domain Proto
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 144.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 24.139.73.23.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 252.15.104.51.in-addr.arpa udp

Files

N/A

Analysis: behavioral3

Detonation Overview

Submitted

2024-06-28 03:20

Reported

2024-06-28 03:22

Platform

win7-20240221-en

Max time kernel

121s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\CFyzwgSP613\影子CF辅助器.exe"

Signatures

VMProtect packed file

vmprotect
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

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\WindowsSearch C:\Users\Admin\AppData\Local\Temp\CFyzwgSP613\影子CF辅助器.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" C:\Users\Admin\AppData\Local\Temp\CFyzwgSP613\影子CF辅助器.exe N/A
Key created \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Main C:\Users\Admin\AppData\Local\Temp\CFyzwgSP613\影子CF辅助器.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\CFyzwgSP613\影子CF辅助器.exe

"C:\Users\Admin\AppData\Local\Temp\CFyzwgSP613\影子CF辅助器.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 ww5.jzsf800.com udp

Files

memory/2148-0-0x0000000000400000-0x0000000000C08000-memory.dmp

memory/2148-1-0x0000000000400000-0x0000000000C08000-memory.dmp

memory/2148-12-0x0000000005D00000-0x0000000006047000-memory.dmp

memory/2148-13-0x0000000006050000-0x0000000006185000-memory.dmp

memory/2148-29-0x0000000000400000-0x0000000000C08000-memory.dmp

Analysis: behavioral4

Detonation Overview

Submitted

2024-06-28 03:20

Reported

2024-06-28 03:22

Platform

win10v2004-20240508-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\CFyzwgSP613\影子CF辅助器.exe"

Signatures

VMProtect packed file

vmprotect
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

Enumerates physical storage devices

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch C:\Users\Admin\AppData\Local\Temp\CFyzwgSP613\影子CF辅助器.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" C:\Users\Admin\AppData\Local\Temp\CFyzwgSP613\影子CF辅助器.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Software\Microsoft\Internet Explorer\IESettingSync C:\Users\Admin\AppData\Local\Temp\CFyzwgSP613\影子CF辅助器.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2" C:\Users\Admin\AppData\Local\Temp\CFyzwgSP613\影子CF辅助器.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\CFyzwgSP613\影子CF辅助器.exe

"C:\Users\Admin\AppData\Local\Temp\CFyzwgSP613\影子CF辅助器.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 ww5.jzsf800.com udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 65.139.73.23.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 10.173.189.20.in-addr.arpa udp

Files

memory/4620-0-0x0000000000400000-0x0000000000C08000-memory.dmp

memory/4620-1-0x0000000000400000-0x0000000000C08000-memory.dmp

memory/4620-26-0x0000000000400000-0x0000000000C08000-memory.dmp