Malware Analysis Report

2025-01-22 12:50

Sample ID 240521-nlz7qsca3w
Target 6321e4cda46b348f3f5acba99c00a686_JaffaCakes118
SHA256 dec719b460f471670e42d1174a2405706063128b81da992dda953223212e6065
Tags
vmprotect
score
7/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

dec719b460f471670e42d1174a2405706063128b81da992dda953223212e6065

Threat Level: Shows suspicious behavior

The file 6321e4cda46b348f3f5acba99c00a686_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

vmprotect

Loads dropped DLL

VMProtect packed file

Suspicious use of NtSetInformationThreadHideFromDebugger

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

Modifies registry class

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-21 11:29

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

2024-05-21 11:29

Reported

2024-05-21 11:32

Platform

win7-20240221-en

Max time kernel

122s

Max time network

126s

Command Line

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

Network

N/A

Files

memory/2944-0-0x0000000000320000-0x0000000000321000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-21 11:29

Reported

2024-05-21 11:32

Platform

win10v2004-20240508-en

Max time kernel

149s

Max time network

152s

Command Line

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
NL 23.62.61.106:443 www.bing.com tcp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 106.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.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 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 94.65.42.20.in-addr.arpa udp

Files

N/A

Analysis: behavioral3

Detonation Overview

Submitted

2024-05-21 11:29

Reported

2024-05-21 11:32

Platform

win7-20240221-en

Max time kernel

121s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\歪歪团队刷花辅助.exe"

Signatures

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\歪歪团队刷花辅助.exe N/A

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
N/A N/A N/A N/A
N/A N/A N/A N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\歪歪团队刷花辅助.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\歪歪团队刷花辅助.exe

"C:\Users\Admin\AppData\Local\Temp\歪歪团队刷花辅助.exe"

Network

N/A

Files

memory/1196-0-0x0000000000400000-0x000000000084B000-memory.dmp

memory/1196-11-0x0000000000400000-0x000000000084B000-memory.dmp

memory/1196-7-0x00000000770F0000-0x00000000770F1000-memory.dmp

memory/1196-3-0x00000000777B0000-0x00000000777B1000-memory.dmp

memory/1196-1-0x00000000777B0000-0x00000000777B1000-memory.dmp

memory/1196-14-0x0000000000400000-0x000000000084B000-memory.dmp

\Users\Admin\AppData\Local\Temp\yytuandui.dll

MD5 3a749d0e66931be50faf9ecf0ffd0fcf
SHA1 93cb99156b3146b695b1795555faf9d37905fd7e
SHA256 e711a3f667c0595491c45583ae670bad9499b24af4ddfcabcc7851bc64d43343
SHA512 f4070f4661fa59c799ff189ba855c0675bea27ad3ce26765b34fc847c0ec22bcfef3c14a564563c1d89c4bd201e7e9702749f184eaa9ee6945781e6c1d51682b

memory/1196-17-0x0000000000250000-0x0000000000262000-memory.dmp

memory/1196-18-0x0000000000400000-0x000000000084B000-memory.dmp

memory/1196-19-0x0000000000400000-0x000000000084B000-memory.dmp

Analysis: behavioral4

Detonation Overview

Submitted

2024-05-21 11:29

Reported

2024-05-21 11:32

Platform

win10v2004-20240426-en

Max time kernel

130s

Max time network

104s

Command Line

"C:\Users\Admin\AppData\Local\Temp\歪歪团队刷花辅助.exe"

Signatures

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\歪歪团队刷花辅助.exe N/A

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
N/A N/A N/A N/A
N/A N/A N/A N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\歪歪团队刷花辅助.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000_Classes\Local Settings C:\Users\Admin\AppData\Local\Temp\歪歪团队刷花辅助.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\歪歪团队刷花辅助.exe

"C:\Users\Admin\AppData\Local\Temp\歪歪团队刷花辅助.exe"

C:\Windows\system32\OpenWith.exe

C:\Windows\system32\OpenWith.exe -Embedding

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.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 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 g.bing.com udp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp
US 204.79.197.237:443 g.bing.com tcp
NL 23.62.61.106:443 www.bing.com tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 106.61.62.23.in-addr.arpa udp
NL 23.62.61.106:443 www.bing.com tcp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.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 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp

Files

memory/4220-0-0x0000000000400000-0x000000000084B000-memory.dmp

memory/4220-1-0x0000000000401000-0x00000000004C1000-memory.dmp

memory/4220-2-0x0000000000400000-0x000000000084B000-memory.dmp

memory/4220-6-0x0000000000400000-0x000000000084B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\yytuandui.dll

MD5 3a749d0e66931be50faf9ecf0ffd0fcf
SHA1 93cb99156b3146b695b1795555faf9d37905fd7e
SHA256 e711a3f667c0595491c45583ae670bad9499b24af4ddfcabcc7851bc64d43343
SHA512 f4070f4661fa59c799ff189ba855c0675bea27ad3ce26765b34fc847c0ec22bcfef3c14a564563c1d89c4bd201e7e9702749f184eaa9ee6945781e6c1d51682b

memory/4220-10-0x0000000000400000-0x000000000084B000-memory.dmp

memory/4220-11-0x0000000000400000-0x000000000084B000-memory.dmp