Malware Analysis Report

2025-04-13 21:01

Sample ID 250310-nplhrasrs2
Target 957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe
SHA256 957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987
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

957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987

Threat Level: Known bad

The file 957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe was found to be: Known bad.

Malicious Activity Summary

darkcloud discovery stealer

DarkCloud

Darkcloud family

Suspicious use of SetThreadContext

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-03-10 11:34

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2025-03-10 11:34

Reported

2025-03-10 11:36

Platform

win7-20240903-en

Max time kernel

117s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe"

Signatures

DarkCloud

stealer darkcloud

Darkcloud family

darkcloud

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\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3020 wrote to memory of 2772 N/A C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe
PID 3020 wrote to memory of 2772 N/A C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe
PID 3020 wrote to memory of 2772 N/A C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe
PID 3020 wrote to memory of 2772 N/A C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe
PID 3020 wrote to memory of 2320 N/A C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe
PID 3020 wrote to memory of 2320 N/A C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe
PID 3020 wrote to memory of 2320 N/A C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe
PID 3020 wrote to memory of 2320 N/A C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe
PID 3020 wrote to memory of 2684 N/A C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe
PID 3020 wrote to memory of 2684 N/A C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe
PID 3020 wrote to memory of 2684 N/A C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe
PID 3020 wrote to memory of 2684 N/A C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe
PID 3020 wrote to memory of 1292 N/A C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe
PID 3020 wrote to memory of 1292 N/A C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe
PID 3020 wrote to memory of 1292 N/A C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe
PID 3020 wrote to memory of 1292 N/A C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe
PID 3020 wrote to memory of 1964 N/A C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe
PID 3020 wrote to memory of 1964 N/A C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe
PID 3020 wrote to memory of 1964 N/A C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe
PID 3020 wrote to memory of 1964 N/A C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe

Processes

C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe

"C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe"

C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe

"C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe"

C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe

"C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe"

C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe

"C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe"

C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe

"C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe"

C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe

"C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe"

Network

N/A

Files

memory/3020-0-0x000000007408E000-0x000000007408F000-memory.dmp

memory/3020-1-0x0000000000080000-0x000000000017E000-memory.dmp

memory/3020-2-0x0000000074080000-0x000000007476E000-memory.dmp

memory/3020-3-0x0000000000A10000-0x0000000000A28000-memory.dmp

memory/3020-4-0x0000000074080000-0x000000007476E000-memory.dmp

memory/3020-5-0x0000000004E70000-0x0000000004F16000-memory.dmp

memory/3020-6-0x00000000020F0000-0x000000000214C000-memory.dmp

memory/3020-7-0x0000000074080000-0x000000007476E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-03-10 11:34

Reported

2025-03-10 11:37

Platform

win10v2004-20250217-en

Max time kernel

141s

Max time network

140s

Command Line

"C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe"

Signatures

DarkCloud

stealer darkcloud

Darkcloud family

darkcloud

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\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3472 wrote to memory of 1196 N/A C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe
PID 3472 wrote to memory of 1196 N/A C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe
PID 3472 wrote to memory of 1196 N/A C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe
PID 3472 wrote to memory of 1196 N/A C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe
PID 3472 wrote to memory of 1196 N/A C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe
PID 3472 wrote to memory of 1196 N/A C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe
PID 3472 wrote to memory of 1196 N/A C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe
PID 3472 wrote to memory of 1196 N/A C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe

Processes

C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe

"C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe"

C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.exe

"C:\Users\Admin\AppData\Local\Temp\957bf5b5dfb56a3e4c39e4ed64eabec268ec48d540d58f598b43d296280ff987.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 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/3472-0-0x00000000751EE000-0x00000000751EF000-memory.dmp

memory/3472-1-0x0000000000060000-0x000000000015E000-memory.dmp

memory/3472-2-0x00000000051B0000-0x0000000005754000-memory.dmp

memory/3472-3-0x0000000004B40000-0x0000000004BD2000-memory.dmp

memory/3472-4-0x0000000004CA0000-0x0000000004D3C000-memory.dmp

memory/3472-5-0x0000000004C00000-0x0000000004C0A000-memory.dmp

memory/3472-6-0x00000000751E0000-0x0000000075990000-memory.dmp

memory/3472-7-0x0000000005130000-0x0000000005148000-memory.dmp

memory/3472-8-0x00000000751EE000-0x00000000751EF000-memory.dmp

memory/3472-9-0x00000000751E0000-0x0000000075990000-memory.dmp

memory/3472-10-0x0000000005E60000-0x0000000005F06000-memory.dmp

memory/3472-11-0x0000000006190000-0x00000000061EC000-memory.dmp

memory/1196-14-0x0000000000400000-0x000000000045C000-memory.dmp

memory/3472-18-0x00000000751E0000-0x0000000075990000-memory.dmp

memory/1196-19-0x0000000000400000-0x000000000045C000-memory.dmp