Malware Analysis Report

2025-01-22 12:52

Sample ID 240521-xxtnrsfd64
Target 6471fad15a2375f9ee2b596d31c376c8_JaffaCakes118
SHA256 7e0a3770d213108dfb447df83168e4d93ad834589214ec989f34e5cf0b629a17
Tags
vmprotect
score
7/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
7/10

SHA256

7e0a3770d213108dfb447df83168e4d93ad834589214ec989f34e5cf0b629a17

Threat Level: Shows suspicious behavior

The file 6471fad15a2375f9ee2b596d31c376c8_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

vmprotect

Loads dropped DLL

VMProtect packed file

Drops file in System32 directory

Unsigned PE

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-21 19:14

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-21 19:14

Reported

2024-05-21 19:17

Platform

win10v2004-20240508-en

Max time kernel

140s

Max time network

133s

Command Line

rundll32.exe "C:\Users\Admin\AppData\Local\Temp\大漠VIP工具 紫枫←和谐版\api.dll",#1

Signatures

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.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

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\Helper.dll C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3688 wrote to memory of 2868 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3688 wrote to memory of 2868 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3688 wrote to memory of 2868 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe "C:\Users\Admin\AppData\Local\Temp\大漠VIP工具 紫枫←和谐版\api.dll",#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe "C:\Users\Admin\AppData\Local\Temp\大漠VIP工具 紫枫←和谐版\api.dll",#1

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=1320,i,17096020621006928097,15544233752327415349,262144 --variations-seed-version --mojo-platform-channel-handle=3240 /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 144.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
NL 23.62.61.75:443 www.bing.com tcp
US 8.8.8.8:53 75.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.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 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 15.242.123.52.in-addr.arpa udp

Files

memory/2868-0-0x0000000010000000-0x000000001021B000-memory.dmp

memory/2868-1-0x0000000010000000-0x000000001021B000-memory.dmp

C:\Windows\SysWOW64\Helper.dll

MD5 8872f608a76bd5140e231d174317de61
SHA1 dc89254d9b9346df544b8518a3fad7eaf62a87d7
SHA256 fb520909072e1838dae9c43121737ab939ece26211df3fc9c1158030e7868e74
SHA512 cc701f155e884b83dd8351a7349906e66096bfce4b9ae8edeb6c447fed7cc485f12107ba7db3e30ddb586af060b84b2cc21271b74261fca1fc2242f03066d87d

memory/2868-7-0x0000000002C50000-0x0000000002CEA000-memory.dmp

memory/2868-11-0x0000000010000000-0x000000001021B000-memory.dmp

Analysis: behavioral3

Detonation Overview

Submitted

2024-05-21 19:14

Reported

2024-05-21 19:16

Platform

win7-20240221-en

Max time kernel

121s

Max time network

123s

Command Line

"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\大漠VIP工具 紫枫←和谐版\dm_test.vbs"

Signatures

N/A

Processes

C:\Windows\System32\WScript.exe

"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\大漠VIP工具 紫枫←和谐版\dm_test.vbs"

Network

N/A

Files

N/A

Analysis: behavioral4

Detonation Overview

Submitted

2024-05-21 19:14

Reported

2024-05-21 19:16

Platform

win10v2004-20240508-en

Max time kernel

137s

Max time network

100s

Command Line

"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\大漠VIP工具 紫枫←和谐版\dm_test.vbs"

Signatures

N/A

Processes

C:\Windows\System32\WScript.exe

"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\大漠VIP工具 紫枫←和谐版\dm_test.vbs"

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 203.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
NL 23.62.61.75:443 www.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 75.61.62.23.in-addr.arpa udp
NL 52.111.243.31:443 tcp
US 8.8.8.8:53 23.236.111.52.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 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

Files

N/A

Analysis: behavioral5

Detonation Overview

Submitted

2024-05-21 19:14

Reported

2024-05-21 19:16

Platform

win7-20240220-en

Max time kernel

118s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\大漠VIP工具 紫枫←和谐版\大漠VIP工具 紫枫←和谐版.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

Processes

C:\Users\Admin\AppData\Local\Temp\大漠VIP工具 紫枫←和谐版\大漠VIP工具 紫枫←和谐版.exe

"C:\Users\Admin\AppData\Local\Temp\大漠VIP工具 紫枫←和谐版\大漠VIP工具 紫枫←和谐版.exe"

Network

N/A

Files

memory/2916-0-0x0000000010000000-0x000000001021B000-memory.dmp

memory/2916-1-0x0000000010000000-0x000000001021B000-memory.dmp

\Users\Admin\AppData\Local\Temp\大漠VIP工具 紫枫←和谐版\Helper.dll

MD5 8872f608a76bd5140e231d174317de61
SHA1 dc89254d9b9346df544b8518a3fad7eaf62a87d7
SHA256 fb520909072e1838dae9c43121737ab939ece26211df3fc9c1158030e7868e74
SHA512 cc701f155e884b83dd8351a7349906e66096bfce4b9ae8edeb6c447fed7cc485f12107ba7db3e30ddb586af060b84b2cc21271b74261fca1fc2242f03066d87d

memory/2916-5-0x0000000000410000-0x00000000004AA000-memory.dmp

memory/2916-8-0x0000000010000000-0x000000001021B000-memory.dmp

Analysis: behavioral6

Detonation Overview

Submitted

2024-05-21 19:14

Reported

2024-05-21 19:16

Platform

win10v2004-20240508-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\大漠VIP工具 紫枫←和谐版\大漠VIP工具 紫枫←和谐版.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\大漠VIP工具 紫枫←和谐版\大漠VIP工具 紫枫←和谐版.exe

"C:\Users\Admin\AppData\Local\Temp\大漠VIP工具 紫枫←和谐版\大漠VIP工具 紫枫←和谐版.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 194.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 22.236.111.52.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 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 214.143.182.52.in-addr.arpa udp

Files

memory/1916-0-0x0000000010000000-0x000000001021B000-memory.dmp

memory/1916-2-0x0000000010000000-0x000000001021B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\大漠VIP工具 紫枫←和谐版\Helper.dll

MD5 8872f608a76bd5140e231d174317de61
SHA1 dc89254d9b9346df544b8518a3fad7eaf62a87d7
SHA256 fb520909072e1838dae9c43121737ab939ece26211df3fc9c1158030e7868e74
SHA512 cc701f155e884b83dd8351a7349906e66096bfce4b9ae8edeb6c447fed7cc485f12107ba7db3e30ddb586af060b84b2cc21271b74261fca1fc2242f03066d87d

memory/1916-8-0x0000000002360000-0x00000000023FA000-memory.dmp

memory/1916-11-0x0000000010000000-0x000000001021B000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-21 19:14

Reported

2024-05-21 19:17

Platform

win7-20240221-en

Max time kernel

117s

Max time network

121s

Command Line

rundll32.exe "C:\Users\Admin\AppData\Local\Temp\大漠VIP工具 紫枫←和谐版\api.dll",#1

Signatures

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.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

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\Helper.dll C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2212 wrote to memory of 2228 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2212 wrote to memory of 2228 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2212 wrote to memory of 2228 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2212 wrote to memory of 2228 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2212 wrote to memory of 2228 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2212 wrote to memory of 2228 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2212 wrote to memory of 2228 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe "C:\Users\Admin\AppData\Local\Temp\大漠VIP工具 紫枫←和谐版\api.dll",#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe "C:\Users\Admin\AppData\Local\Temp\大漠VIP工具 紫枫←和谐版\api.dll",#1

Network

N/A

Files

memory/2228-0-0x0000000010000000-0x000000001021B000-memory.dmp

memory/2228-2-0x0000000010000000-0x000000001021B000-memory.dmp

memory/2228-1-0x0000000010000000-0x000000001021B000-memory.dmp

memory/2228-3-0x0000000010000000-0x000000001021B000-memory.dmp

\Windows\SysWOW64\Helper.dll

MD5 8872f608a76bd5140e231d174317de61
SHA1 dc89254d9b9346df544b8518a3fad7eaf62a87d7
SHA256 fb520909072e1838dae9c43121737ab939ece26211df3fc9c1158030e7868e74
SHA512 cc701f155e884b83dd8351a7349906e66096bfce4b9ae8edeb6c447fed7cc485f12107ba7db3e30ddb586af060b84b2cc21271b74261fca1fc2242f03066d87d

memory/2228-7-0x0000000000360000-0x00000000003FA000-memory.dmp

memory/2228-10-0x0000000010000000-0x000000001021B000-memory.dmp