Malware Analysis Report

2025-04-13 21:01

Sample ID 250310-ngsl4asyez
Target 52ae063969118de1c844aad047e594b5c2d1531401a81add6f1c64fd9df2d609.exe
SHA256 52ae063969118de1c844aad047e594b5c2d1531401a81add6f1c64fd9df2d609
Tags
discovery darkcloud 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

52ae063969118de1c844aad047e594b5c2d1531401a81add6f1c64fd9df2d609

Threat Level: Known bad

The file 52ae063969118de1c844aad047e594b5c2d1531401a81add6f1c64fd9df2d609.exe was found to be: Known bad.

Malicious Activity Summary

discovery darkcloud stealer

DarkCloud

Darkcloud family

Suspicious use of NtCreateUserProcessOtherParentProcess

Drops startup file

Suspicious use of SetThreadContext

System Location Discovery: System Language Discovery

Unsigned PE

Program crash

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-03-10 11:22

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2025-03-10 11:22

Reported

2025-03-10 11:25

Platform

win7-20240903-en

Max time kernel

119s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\52ae063969118de1c844aad047e594b5c2d1531401a81add6f1c64fd9df2d609.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\52ae063969118de1c844aad047e594b5c2d1531401a81add6f1c64fd9df2d609.exe

"C:\Users\Admin\AppData\Local\Temp\52ae063969118de1c844aad047e594b5c2d1531401a81add6f1c64fd9df2d609.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1668 -s 1236

Network

Country Destination Domain Proto
US 8.8.8.8:53 arandelasespeciales.com udp
CA 15.235.119.29:443 arandelasespeciales.com tcp

Files

memory/1668-0-0x000000007405E000-0x000000007405F000-memory.dmp

memory/1668-1-0x00000000008A0000-0x0000000000994000-memory.dmp

memory/1668-2-0x0000000074050000-0x000000007473E000-memory.dmp

memory/1668-3-0x0000000074050000-0x000000007473E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-03-10 11:22

Reported

2025-03-10 11:25

Platform

win10v2004-20250217-en

Max time kernel

94s

Max time network

156s

Command Line

C:\Windows\Explorer.EXE

Signatures

DarkCloud

stealer darkcloud

Darkcloud family

darkcloud

Suspicious use of NtCreateUserProcessOtherParentProcess

Description Indicator Process Target
PID 4656 created 3488 N/A C:\Users\Admin\AppData\Local\Temp\52ae063969118de1c844aad047e594b5c2d1531401a81add6f1c64fd9df2d609.exe C:\Windows\Explorer.EXE

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\IsNumericScalar.vbs C:\Users\Admin\AppData\Local\Temp\52ae063969118de1c844aad047e594b5c2d1531401a81add6f1c64fd9df2d609.exe 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\Temp\52ae063969118de1c844aad047e594b5c2d1531401a81add6f1c64fd9df2d609.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\52ae063969118de1c844aad047e594b5c2d1531401a81add6f1c64fd9df2d609.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\52ae063969118de1c844aad047e594b5c2d1531401a81add6f1c64fd9df2d609.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4656 wrote to memory of 2000 N/A C:\Users\Admin\AppData\Local\Temp\52ae063969118de1c844aad047e594b5c2d1531401a81add6f1c64fd9df2d609.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 4656 wrote to memory of 2000 N/A C:\Users\Admin\AppData\Local\Temp\52ae063969118de1c844aad047e594b5c2d1531401a81add6f1c64fd9df2d609.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 4656 wrote to memory of 2000 N/A C:\Users\Admin\AppData\Local\Temp\52ae063969118de1c844aad047e594b5c2d1531401a81add6f1c64fd9df2d609.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 4656 wrote to memory of 2000 N/A C:\Users\Admin\AppData\Local\Temp\52ae063969118de1c844aad047e594b5c2d1531401a81add6f1c64fd9df2d609.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 4656 wrote to memory of 2000 N/A C:\Users\Admin\AppData\Local\Temp\52ae063969118de1c844aad047e594b5c2d1531401a81add6f1c64fd9df2d609.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 4656 wrote to memory of 2000 N/A C:\Users\Admin\AppData\Local\Temp\52ae063969118de1c844aad047e594b5c2d1531401a81add6f1c64fd9df2d609.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 4656 wrote to memory of 2000 N/A C:\Users\Admin\AppData\Local\Temp\52ae063969118de1c844aad047e594b5c2d1531401a81add6f1c64fd9df2d609.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 4656 wrote to memory of 2000 N/A C:\Users\Admin\AppData\Local\Temp\52ae063969118de1c844aad047e594b5c2d1531401a81add6f1c64fd9df2d609.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\52ae063969118de1c844aad047e594b5c2d1531401a81add6f1c64fd9df2d609.exe

"C:\Users\Admin\AppData\Local\Temp\52ae063969118de1c844aad047e594b5c2d1531401a81add6f1c64fd9df2d609.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 arandelasespeciales.com udp
CA 15.235.119.29:443 arandelasespeciales.com tcp
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 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/4656-0-0x0000000074B3E000-0x0000000074B3F000-memory.dmp

memory/4656-1-0x0000000000490000-0x0000000000584000-memory.dmp

memory/4656-2-0x0000000074B30000-0x00000000752E0000-memory.dmp

memory/4656-3-0x00000000061E0000-0x0000000006318000-memory.dmp

memory/4656-17-0x00000000061E0000-0x0000000006312000-memory.dmp

memory/4656-15-0x00000000061E0000-0x0000000006312000-memory.dmp

memory/4656-13-0x00000000061E0000-0x0000000006312000-memory.dmp

memory/4656-67-0x00000000061E0000-0x0000000006312000-memory.dmp

memory/4656-39-0x00000000061E0000-0x0000000006312000-memory.dmp

memory/4656-65-0x00000000061E0000-0x0000000006312000-memory.dmp

memory/4656-63-0x00000000061E0000-0x0000000006312000-memory.dmp

memory/4656-61-0x00000000061E0000-0x0000000006312000-memory.dmp

memory/4656-59-0x00000000061E0000-0x0000000006312000-memory.dmp

memory/4656-57-0x00000000061E0000-0x0000000006312000-memory.dmp

memory/4656-55-0x00000000061E0000-0x0000000006312000-memory.dmp

memory/4656-53-0x00000000061E0000-0x0000000006312000-memory.dmp

memory/4656-51-0x00000000061E0000-0x0000000006312000-memory.dmp

memory/4656-49-0x00000000061E0000-0x0000000006312000-memory.dmp

memory/4656-47-0x00000000061E0000-0x0000000006312000-memory.dmp

memory/4656-45-0x00000000061E0000-0x0000000006312000-memory.dmp

memory/4656-37-0x00000000061E0000-0x0000000006312000-memory.dmp

memory/4656-35-0x00000000061E0000-0x0000000006312000-memory.dmp

memory/4656-33-0x00000000061E0000-0x0000000006312000-memory.dmp

memory/4656-31-0x00000000061E0000-0x0000000006312000-memory.dmp

memory/4656-23-0x00000000061E0000-0x0000000006312000-memory.dmp

memory/4656-22-0x00000000061E0000-0x0000000006312000-memory.dmp

memory/4656-11-0x00000000061E0000-0x0000000006312000-memory.dmp

memory/4656-10-0x00000000061E0000-0x0000000006312000-memory.dmp

memory/4656-43-0x00000000061E0000-0x0000000006312000-memory.dmp

memory/4656-7-0x00000000061E0000-0x0000000006312000-memory.dmp

memory/4656-41-0x00000000061E0000-0x0000000006312000-memory.dmp

memory/4656-29-0x00000000061E0000-0x0000000006312000-memory.dmp

memory/4656-27-0x00000000061E0000-0x0000000006312000-memory.dmp

memory/4656-25-0x00000000061E0000-0x0000000006312000-memory.dmp

memory/4656-19-0x00000000061E0000-0x0000000006312000-memory.dmp

memory/4656-4-0x00000000061E0000-0x0000000006312000-memory.dmp

memory/4656-5-0x00000000061E0000-0x0000000006312000-memory.dmp

memory/4656-1326-0x0000000074B30000-0x00000000752E0000-memory.dmp

memory/4656-1327-0x0000000006350000-0x00000000063E2000-memory.dmp

memory/4656-1328-0x0000000006480000-0x0000000006510000-memory.dmp

memory/4656-1329-0x0000000006540000-0x000000000658C000-memory.dmp

memory/4656-1330-0x0000000006EF0000-0x0000000007494000-memory.dmp

memory/4656-1331-0x0000000006650000-0x00000000066A4000-memory.dmp

memory/4656-1337-0x0000000074B30000-0x00000000752E0000-memory.dmp

memory/4656-1338-0x0000000074B3E000-0x0000000074B3F000-memory.dmp

memory/4656-1341-0x0000000074B30000-0x00000000752E0000-memory.dmp

memory/4656-1342-0x0000000074B30000-0x00000000752E0000-memory.dmp

memory/4656-1339-0x0000000074B30000-0x00000000752E0000-memory.dmp

memory/4656-1346-0x0000000074B30000-0x00000000752E0000-memory.dmp

memory/4656-1347-0x0000000074B30000-0x00000000752E0000-memory.dmp

memory/2000-1348-0x0000000000400000-0x0000000000470000-memory.dmp

memory/2000-1359-0x0000000000400000-0x0000000000470000-memory.dmp