Malware Analysis Report

2025-04-13 20:59

Sample ID 250306-say8hs1rw2
Target bbe2562589b73fbd9f719c3c26132bf40206f9847229106a16d1a77a2a8b5d9f
SHA256 bbe2562589b73fbd9f719c3c26132bf40206f9847229106a16d1a77a2a8b5d9f
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

bbe2562589b73fbd9f719c3c26132bf40206f9847229106a16d1a77a2a8b5d9f

Threat Level: Known bad

The file bbe2562589b73fbd9f719c3c26132bf40206f9847229106a16d1a77a2a8b5d9f was found to be: Known bad.

Malicious Activity Summary

darkcloud discovery stealer

Darkcloud family

DarkCloud

AutoIT Executable

Suspicious use of SetThreadContext

Program crash

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious behavior: MapViewOfSection

Suspicious use of SendNotifyMessage

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious use of FindShellTrayWindow

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-03-06 14:56

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 14:55

Reported

2025-03-06 14:58

Platform

win7-20240903-en

Max time kernel

141s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bbe2562589b73fbd9f719c3c26132bf40206f9847229106a16d1a77a2a8b5d9f.exe"

Signatures

DarkCloud

stealer darkcloud

Darkcloud family

darkcloud

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1780 set thread context of 780 N/A C:\Users\Admin\AppData\Local\Temp\bbe2562589b73fbd9f719c3c26132bf40206f9847229106a16d1a77a2a8b5d9f.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:\Windows\SysWOW64\svchost.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\bbe2562589b73fbd9f719c3c26132bf40206f9847229106a16d1a77a2a8b5d9f.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\bbe2562589b73fbd9f719c3c26132bf40206f9847229106a16d1a77a2a8b5d9f.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\bbe2562589b73fbd9f719c3c26132bf40206f9847229106a16d1a77a2a8b5d9f.exe

"C:\Users\Admin\AppData\Local\Temp\bbe2562589b73fbd9f719c3c26132bf40206f9847229106a16d1a77a2a8b5d9f.exe"

C:\Windows\SysWOW64\svchost.exe

"C:\Users\Admin\AppData\Local\Temp\bbe2562589b73fbd9f719c3c26132bf40206f9847229106a16d1a77a2a8b5d9f.exe"

Network

N/A

Files

memory/1780-10-0x00000000001E0000-0x00000000001E4000-memory.dmp

memory/780-11-0x0000000000400000-0x000000000045C000-memory.dmp

memory/780-13-0x0000000000400000-0x000000000045C000-memory.dmp

memory/780-16-0x0000000000400000-0x000000000045C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-03-06 14:55

Reported

2025-03-06 14:58

Platform

win10v2004-20250217-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bbe2562589b73fbd9f719c3c26132bf40206f9847229106a16d1a77a2a8b5d9f.exe"

Signatures

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\bbe2562589b73fbd9f719c3c26132bf40206f9847229106a16d1a77a2a8b5d9f.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\bbe2562589b73fbd9f719c3c26132bf40206f9847229106a16d1a77a2a8b5d9f.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\bbe2562589b73fbd9f719c3c26132bf40206f9847229106a16d1a77a2a8b5d9f.exe

"C:\Users\Admin\AppData\Local\Temp\bbe2562589b73fbd9f719c3c26132bf40206f9847229106a16d1a77a2a8b5d9f.exe"

C:\Windows\SysWOW64\svchost.exe

"C:\Users\Admin\AppData\Local\Temp\bbe2562589b73fbd9f719c3c26132bf40206f9847229106a16d1a77a2a8b5d9f.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4072 -ip 4072

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4072 -s 712

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 150.171.27.10:443 g.bing.com tcp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp

Files

memory/4072-10-0x0000000000D20000-0x0000000000D24000-memory.dmp