Malware Analysis Report

2025-04-13 20:58

Sample ID 250306-1xsy1syrt7
Target 1c161e448181ac3e4ebcb873fd10001a06d99b06697a75bc698df75022168638
SHA256 1c161e448181ac3e4ebcb873fd10001a06d99b06697a75bc698df75022168638
Tags
darkcloud discovery stealer upx
score
10/10

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 Overview

score
10/10

SHA256

1c161e448181ac3e4ebcb873fd10001a06d99b06697a75bc698df75022168638

Threat Level: Known bad

The file 1c161e448181ac3e4ebcb873fd10001a06d99b06697a75bc698df75022168638 was found to be: Known bad.

Malicious Activity Summary

darkcloud discovery stealer upx

Darkcloud family

DarkCloud

Drops startup file

ACProtect 1.3x - 1.4x DLL software

Loads dropped DLL

Executes dropped EXE

Suspicious use of SetThreadContext

UPX packed file

AutoIT Executable

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of SendNotifyMessage

Suspicious behavior: MapViewOfSection

Suspicious use of FindShellTrayWindow

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-03-06 22:02

Signatures

AutoIT Executable

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

2025-03-06 22:02

Reported

2025-03-06 22:04

Platform

win7-20240903-en

Max time kernel

142s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1c161e448181ac3e4ebcb873fd10001a06d99b06697a75bc698df75022168638.exe"

Signatures

DarkCloud

stealer darkcloud

Darkcloud family

darkcloud

ACProtect 1.3x - 1.4x DLL software

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

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\vehiculate.vbs C:\Users\Admin\AppData\Local\thixolabile\vehiculate.exe N/A

Executes dropped EXE

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

AutoIT Executable

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2732 set thread context of 3020 N/A C:\Users\Admin\AppData\Local\thixolabile\vehiculate.exe C:\Windows\SysWOW64\svchost.exe

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

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\thixolabile\vehiculate.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\svchost.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\1c161e448181ac3e4ebcb873fd10001a06d99b06697a75bc698df75022168638.exe N/A

Suspicious behavior: MapViewOfSection

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

Suspicious use of SetWindowsHookEx

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

Processes

C:\Users\Admin\AppData\Local\Temp\1c161e448181ac3e4ebcb873fd10001a06d99b06697a75bc698df75022168638.exe

"C:\Users\Admin\AppData\Local\Temp\1c161e448181ac3e4ebcb873fd10001a06d99b06697a75bc698df75022168638.exe"

C:\Users\Admin\AppData\Local\thixolabile\vehiculate.exe

"C:\Users\Admin\AppData\Local\Temp\1c161e448181ac3e4ebcb873fd10001a06d99b06697a75bc698df75022168638.exe"

C:\Windows\SysWOW64\svchost.exe

"C:\Users\Admin\AppData\Local\Temp\1c161e448181ac3e4ebcb873fd10001a06d99b06697a75bc698df75022168638.exe"

Network

N/A

Files

memory/2888-5-0x00000000001E0000-0x00000000001E4000-memory.dmp

\Users\Admin\AppData\Local\thixolabile\vehiculate.exe

MD5 9d004b47eb3e3b00fb9440cefbcc2913
SHA1 ad34b508d8fbbf799c5cf3d91e0bbff996426a5c
SHA256 1c161e448181ac3e4ebcb873fd10001a06d99b06697a75bc698df75022168638
SHA512 9cd06616b6027bae69d4fb43c0e8d085d338699c38821ec292b76bb1d63356b7cf95376b38015d949142697b37a2c4e44492d6853e49259ce359344f91782d13

C:\Users\Admin\AppData\Local\Temp\rhombiform

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

memory/2732-18-0x00000000000C0000-0x00000000001F4000-memory.dmp

memory/2732-22-0x00000000000C0000-0x00000000001F4000-memory.dmp

memory/3020-20-0x0000000000400000-0x000000000046F000-memory.dmp

memory/3020-23-0x0000000000400000-0x000000000046F000-memory.dmp

\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\XPAJOTIY-Admin\vbsqlite3.dll

MD5 073a17b6cfb1112c6c838b2fba06a657
SHA1 a54bb22489eaa8c52eb3e512aee522320530b0be
SHA256 dcfcd16fbf0511d3f2b3792e5493fa22d7291e4bb2efbfa5ade5002a04fc2cab
SHA512 5bc8307350bd8ba09fa9eedddc62f1dba65db62eb09ae64e0adff4dfad0937dbec5b621f294f5980bf77033faac3bfe200945c0280606915ee9a82d34a003b9e

memory/3020-32-0x0000000074C20000-0x0000000074C89000-memory.dmp

memory/3020-33-0x0000000000400000-0x000000000046F000-memory.dmp

memory/3020-35-0x0000000074C20000-0x0000000074C89000-memory.dmp

memory/3020-34-0x0000000074C20000-0x0000000074C89000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-03-06 22:02

Reported

2025-03-06 22:04

Platform

win10v2004-20250217-en

Max time kernel

148s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1c161e448181ac3e4ebcb873fd10001a06d99b06697a75bc698df75022168638.exe"

Signatures

DarkCloud

stealer darkcloud

Darkcloud family

darkcloud

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\vehiculate.vbs C:\Users\Admin\AppData\Local\thixolabile\vehiculate.exe N/A

Executes dropped EXE

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

AutoIT Executable

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2716 set thread context of 4884 N/A C:\Users\Admin\AppData\Local\thixolabile\vehiculate.exe C:\Windows\SysWOW64\svchost.exe

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\thixolabile\vehiculate.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\svchost.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\1c161e448181ac3e4ebcb873fd10001a06d99b06697a75bc698df75022168638.exe N/A

Suspicious behavior: MapViewOfSection

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

Suspicious use of SetWindowsHookEx

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

Processes

C:\Users\Admin\AppData\Local\Temp\1c161e448181ac3e4ebcb873fd10001a06d99b06697a75bc698df75022168638.exe

"C:\Users\Admin\AppData\Local\Temp\1c161e448181ac3e4ebcb873fd10001a06d99b06697a75bc698df75022168638.exe"

C:\Users\Admin\AppData\Local\thixolabile\vehiculate.exe

"C:\Users\Admin\AppData\Local\Temp\1c161e448181ac3e4ebcb873fd10001a06d99b06697a75bc698df75022168638.exe"

C:\Windows\SysWOW64\svchost.exe

"C:\Users\Admin\AppData\Local\Temp\1c161e448181ac3e4ebcb873fd10001a06d99b06697a75bc698df75022168638.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp

Files

memory/3924-5-0x0000000004180000-0x0000000004184000-memory.dmp

C:\Users\Admin\AppData\Local\thixolabile\vehiculate.exe

MD5 9d004b47eb3e3b00fb9440cefbcc2913
SHA1 ad34b508d8fbbf799c5cf3d91e0bbff996426a5c
SHA256 1c161e448181ac3e4ebcb873fd10001a06d99b06697a75bc698df75022168638
SHA512 9cd06616b6027bae69d4fb43c0e8d085d338699c38821ec292b76bb1d63356b7cf95376b38015d949142697b37a2c4e44492d6853e49259ce359344f91782d13

C:\Users\Admin\AppData\Local\Temp\rhombiform

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

memory/4884-17-0x0000000000400000-0x000000000046F000-memory.dmp

memory/4884-19-0x0000000000400000-0x000000000046F000-memory.dmp

memory/4884-32-0x0000000000400000-0x000000000046F000-memory.dmp