Malware Analysis Report

2025-04-13 21:01

Sample ID 250310-ndsgxssxdx
Target 86c4dd6e739bbc2538421c9379194324f8ff5e3d51a6f326e0bab752eaa07c2e.exe
SHA256 86c4dd6e739bbc2538421c9379194324f8ff5e3d51a6f326e0bab752eaa07c2e
Tags
darkcloud discovery stealer
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

86c4dd6e739bbc2538421c9379194324f8ff5e3d51a6f326e0bab752eaa07c2e

Threat Level: Known bad

The file 86c4dd6e739bbc2538421c9379194324f8ff5e3d51a6f326e0bab752eaa07c2e.exe was found to be: Known bad.

Malicious Activity Summary

darkcloud discovery stealer

DarkCloud

Darkcloud family

AutoIT Executable

Suspicious use of SetThreadContext

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious behavior: MapViewOfSection

Suspicious use of FindShellTrayWindow

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious use of SendNotifyMessage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-03-10 11:17

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

2025-03-10 11:17

Reported

2025-03-10 11:19

Platform

win7-20250207-en

Max time kernel

141s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\86c4dd6e739bbc2538421c9379194324f8ff5e3d51a6f326e0bab752eaa07c2e.exe"

Signatures

DarkCloud

stealer darkcloud

Darkcloud family

darkcloud

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1900 set thread context of 2496 N/A C:\Users\Admin\AppData\Local\Temp\86c4dd6e739bbc2538421c9379194324f8ff5e3d51a6f326e0bab752eaa07c2e.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\Temp\86c4dd6e739bbc2538421c9379194324f8ff5e3d51a6f326e0bab752eaa07c2e.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\svchost.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\86c4dd6e739bbc2538421c9379194324f8ff5e3d51a6f326e0bab752eaa07c2e.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\86c4dd6e739bbc2538421c9379194324f8ff5e3d51a6f326e0bab752eaa07c2e.exe

"C:\Users\Admin\AppData\Local\Temp\86c4dd6e739bbc2538421c9379194324f8ff5e3d51a6f326e0bab752eaa07c2e.exe"

C:\Windows\SysWOW64\svchost.exe

"C:\Users\Admin\AppData\Local\Temp\86c4dd6e739bbc2538421c9379194324f8ff5e3d51a6f326e0bab752eaa07c2e.exe"

Network

N/A

Files

memory/1900-11-0x0000000000120000-0x0000000000124000-memory.dmp

memory/2496-12-0x0000000000400000-0x000000000045B000-memory.dmp

memory/2496-14-0x0000000000400000-0x000000000045B000-memory.dmp

memory/2496-17-0x0000000000400000-0x000000000045B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-03-10 11:17

Reported

2025-03-10 11:19

Platform

win10v2004-20250217-en

Max time kernel

142s

Max time network

139s

Command Line

"C:\Users\Admin\AppData\Local\Temp\86c4dd6e739bbc2538421c9379194324f8ff5e3d51a6f326e0bab752eaa07c2e.exe"

Signatures

DarkCloud

stealer darkcloud

Darkcloud family

darkcloud

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2548 set thread context of 1316 N/A C:\Users\Admin\AppData\Local\Temp\86c4dd6e739bbc2538421c9379194324f8ff5e3d51a6f326e0bab752eaa07c2e.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\Temp\86c4dd6e739bbc2538421c9379194324f8ff5e3d51a6f326e0bab752eaa07c2e.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\svchost.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\86c4dd6e739bbc2538421c9379194324f8ff5e3d51a6f326e0bab752eaa07c2e.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\86c4dd6e739bbc2538421c9379194324f8ff5e3d51a6f326e0bab752eaa07c2e.exe

"C:\Users\Admin\AppData\Local\Temp\86c4dd6e739bbc2538421c9379194324f8ff5e3d51a6f326e0bab752eaa07c2e.exe"

C:\Windows\SysWOW64\svchost.exe

"C:\Users\Admin\AppData\Local\Temp\86c4dd6e739bbc2538421c9379194324f8ff5e3d51a6f326e0bab752eaa07c2e.exe"

Network

Country Destination Domain Proto
US 150.171.27.10:443 tcp
US 150.171.27.10:443 tcp
US 150.171.27.10:443 tcp
US 150.171.27.10:443 tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tcp

Files

memory/2548-11-0x00000000011C0000-0x00000000011C4000-memory.dmp

memory/1316-12-0x0000000000400000-0x000000000045B000-memory.dmp

memory/1316-14-0x0000000000400000-0x000000000045B000-memory.dmp

memory/1316-17-0x0000000000400000-0x000000000045B000-memory.dmp