Malware Analysis Report

2025-04-13 21:08

Sample ID 230725-hfsb2sah59
Target Purchase Order.exe
SHA256 c5dc5d0cc0ec3f2f607941f8d44019001ca18ab09abda656d4e68a5219d0e576
Tags
darkcloud stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

c5dc5d0cc0ec3f2f607941f8d44019001ca18ab09abda656d4e68a5219d0e576

Threat Level: Known bad

The file Purchase Order.exe was found to be: Known bad.

Malicious Activity Summary

darkcloud stealer

DarkCloud

Suspicious use of SetThreadContext

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-07-25 06:41

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-07-25 06:41

Reported

2023-07-25 06:43

Platform

win7-20230712-en

Max time kernel

148s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"

Signatures

DarkCloud

stealer darkcloud

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 816 set thread context of 2808 N/A C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe

Suspicious use of SetWindowsHookEx

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

Processes

C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe

"C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"

C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe

"C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"

Network

N/A

Files

memory/816-55-0x0000000074AF0000-0x00000000751DE000-memory.dmp

memory/816-54-0x00000000011F0000-0x00000000012DE000-memory.dmp

memory/816-56-0x0000000004D70000-0x0000000004DB0000-memory.dmp

memory/816-57-0x0000000000540000-0x0000000000552000-memory.dmp

memory/816-58-0x0000000074AF0000-0x00000000751DE000-memory.dmp

memory/816-59-0x0000000004D70000-0x0000000004DB0000-memory.dmp

memory/816-60-0x00000000005D0000-0x00000000005D8000-memory.dmp

memory/816-61-0x00000000005E0000-0x00000000005EA000-memory.dmp

memory/816-62-0x0000000004EB0000-0x0000000004F5E000-memory.dmp

memory/2808-63-0x0000000000400000-0x000000000046D000-memory.dmp

memory/2808-65-0x0000000000400000-0x000000000046D000-memory.dmp

memory/2808-67-0x0000000000400000-0x000000000046D000-memory.dmp

memory/2808-71-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2808-73-0x0000000000400000-0x000000000046D000-memory.dmp

memory/816-76-0x0000000074AF0000-0x00000000751DE000-memory.dmp

memory/2808-75-0x0000000000400000-0x000000000046D000-memory.dmp

memory/2808-79-0x0000000000400000-0x000000000046D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-07-25 06:41

Reported

2023-07-25 06:43

Platform

win10v2004-20230703-en

Max time kernel

148s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"

Signatures

DarkCloud

stealer darkcloud

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 3024 set thread context of 1968 N/A C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe

Suspicious use of SetWindowsHookEx

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

Processes

C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe

"C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"

C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe

"C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 8.3.197.209.in-addr.arpa udp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 200.74.101.95.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 86.8.109.52.in-addr.arpa udp
US 8.8.8.8:53 123.10.44.20.in-addr.arpa udp

Files

memory/3024-133-0x00000000751E0000-0x0000000075990000-memory.dmp

memory/3024-134-0x00000000008B0000-0x000000000099E000-memory.dmp

memory/3024-135-0x00000000058B0000-0x0000000005E54000-memory.dmp

memory/3024-136-0x00000000053A0000-0x0000000005432000-memory.dmp

memory/3024-137-0x0000000005350000-0x0000000005360000-memory.dmp

memory/3024-138-0x0000000005530000-0x000000000553A000-memory.dmp

memory/3024-139-0x0000000005630000-0x00000000056CC000-memory.dmp

memory/3024-140-0x00000000751E0000-0x0000000075990000-memory.dmp

memory/3024-141-0x0000000005350000-0x0000000005360000-memory.dmp

memory/1968-142-0x0000000000400000-0x000000000046D000-memory.dmp

memory/1968-145-0x0000000000400000-0x000000000046D000-memory.dmp

memory/3024-147-0x00000000751E0000-0x0000000075990000-memory.dmp

memory/1968-149-0x0000000000400000-0x000000000046D000-memory.dmp