Malware Analysis Report

2025-04-13 21:01

Sample ID 250310-nhzf2aszav
Target 5ec655a308e7c2dce76053b973c4777e261ce215a17e199870b5662250b6bde6.exe
SHA256 5ec655a308e7c2dce76053b973c4777e261ce215a17e199870b5662250b6bde6
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

5ec655a308e7c2dce76053b973c4777e261ce215a17e199870b5662250b6bde6

Threat Level: Known bad

The file 5ec655a308e7c2dce76053b973c4777e261ce215a17e199870b5662250b6bde6.exe was found to be: Known bad.

Malicious Activity Summary

darkcloud discovery stealer

DarkCloud

Darkcloud family

Suspicious use of SetThreadContext

AutoIT Executable

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious behavior: MapViewOfSection

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

Suspicious use of SendNotifyMessage

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-03-10 11:24

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 11:24

Reported

2025-03-10 11:27

Platform

win7-20250207-en

Max time kernel

141s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5ec655a308e7c2dce76053b973c4777e261ce215a17e199870b5662250b6bde6.exe"

Signatures

DarkCloud

stealer darkcloud

Darkcloud family

darkcloud

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2188 set thread context of 1996 N/A C:\Users\Admin\AppData\Local\Temp\5ec655a308e7c2dce76053b973c4777e261ce215a17e199870b5662250b6bde6.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\5ec655a308e7c2dce76053b973c4777e261ce215a17e199870b5662250b6bde6.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\5ec655a308e7c2dce76053b973c4777e261ce215a17e199870b5662250b6bde6.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\5ec655a308e7c2dce76053b973c4777e261ce215a17e199870b5662250b6bde6.exe

"C:\Users\Admin\AppData\Local\Temp\5ec655a308e7c2dce76053b973c4777e261ce215a17e199870b5662250b6bde6.exe"

C:\Windows\SysWOW64\svchost.exe

"C:\Users\Admin\AppData\Local\Temp\5ec655a308e7c2dce76053b973c4777e261ce215a17e199870b5662250b6bde6.exe"

Network

N/A

Files

memory/2188-10-0x0000000000160000-0x0000000000164000-memory.dmp

memory/1996-11-0x0000000000400000-0x0000000000458000-memory.dmp

memory/1996-13-0x0000000000400000-0x0000000000458000-memory.dmp

memory/1996-16-0x0000000000400000-0x0000000000458000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-03-10 11:24

Reported

2025-03-10 11:27

Platform

win10v2004-20250217-en

Max time kernel

142s

Max time network

137s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5ec655a308e7c2dce76053b973c4777e261ce215a17e199870b5662250b6bde6.exe"

Signatures

DarkCloud

stealer darkcloud

Darkcloud family

darkcloud

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4672 set thread context of 4424 N/A C:\Users\Admin\AppData\Local\Temp\5ec655a308e7c2dce76053b973c4777e261ce215a17e199870b5662250b6bde6.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\5ec655a308e7c2dce76053b973c4777e261ce215a17e199870b5662250b6bde6.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\5ec655a308e7c2dce76053b973c4777e261ce215a17e199870b5662250b6bde6.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\5ec655a308e7c2dce76053b973c4777e261ce215a17e199870b5662250b6bde6.exe

"C:\Users\Admin\AppData\Local\Temp\5ec655a308e7c2dce76053b973c4777e261ce215a17e199870b5662250b6bde6.exe"

C:\Windows\SysWOW64\svchost.exe

"C:\Users\Admin\AppData\Local\Temp\5ec655a308e7c2dce76053b973c4777e261ce215a17e199870b5662250b6bde6.exe"

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/4672-10-0x00000000022C0000-0x00000000022C4000-memory.dmp

memory/4424-11-0x0000000000400000-0x0000000000458000-memory.dmp

memory/4424-13-0x0000000000400000-0x0000000000458000-memory.dmp

memory/4424-16-0x0000000000400000-0x0000000000458000-memory.dmp