Malware Analysis Report

2025-04-13 21:08

Sample ID 230724-m4jr2acf79
Target rDHLinvoice.exe
SHA256 262531be1dc4d521469be8ff7591f9d40861bcf7de7ff4f8a0ee1ba542713c0d
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

262531be1dc4d521469be8ff7591f9d40861bcf7de7ff4f8a0ee1ba542713c0d

Threat Level: Known bad

The file rDHLinvoice.exe was found to be: Known bad.

Malicious Activity Summary

darkcloud stealer

DarkCloud

Suspicious use of SetThreadContext

Drops file in System32 directory

Unsigned PE

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-07-24 11:01

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-07-24 11:01

Reported

2023-07-24 11:03

Platform

win7-20230712-en

Max time kernel

148s

Max time network

126s

Command Line

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

Signatures

DarkCloud

stealer darkcloud

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2500 set thread context of 2300 N/A C:\Users\Admin\AppData\Local\Temp\rDHLinvoice.exe C:\Users\Admin\AppData\Local\Temp\rDHLinvoice.exe

Suspicious use of SetWindowsHookEx

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

Processes

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

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

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

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

Network

N/A

Files

memory/2500-54-0x0000000000900000-0x0000000000A06000-memory.dmp

memory/2500-55-0x0000000074870000-0x0000000074F5E000-memory.dmp

memory/2500-56-0x00000000008C0000-0x0000000000900000-memory.dmp

memory/2500-57-0x0000000000500000-0x0000000000514000-memory.dmp

memory/2500-58-0x0000000074870000-0x0000000074F5E000-memory.dmp

memory/2500-59-0x00000000008C0000-0x0000000000900000-memory.dmp

memory/2500-60-0x00000000008B0000-0x00000000008BA000-memory.dmp

memory/2500-61-0x0000000005CA0000-0x0000000005D50000-memory.dmp

memory/2300-62-0x0000000000400000-0x000000000046D000-memory.dmp

memory/2300-64-0x0000000000400000-0x000000000046D000-memory.dmp

memory/2300-66-0x0000000000400000-0x000000000046D000-memory.dmp

memory/2300-69-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2300-71-0x0000000000400000-0x000000000046D000-memory.dmp

memory/2500-74-0x0000000074870000-0x0000000074F5E000-memory.dmp

memory/2300-73-0x0000000000400000-0x000000000046D000-memory.dmp

memory/2300-77-0x0000000000400000-0x000000000046D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-07-24 11:01

Reported

2023-07-24 11:03

Platform

win10v2004-20230703-en

Max time kernel

149s

Max time network

150s

Command Line

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

Signatures

DarkCloud

stealer darkcloud

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{5DFBDE98-9FAF-447D-AC97-4DAE979B5BDE}.catalogItem C:\Windows\System32\svchost.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4360 set thread context of 1772 N/A C:\Users\Admin\AppData\Local\Temp\rDHLinvoice.exe C:\Users\Admin\AppData\Local\Temp\rDHLinvoice.exe

Suspicious use of SetWindowsHookEx

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

Processes

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

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

C:\Windows\System32\svchost.exe

C:\Windows\System32\svchost.exe -k netsvcs -p

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 73.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 76.214.17.2.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 1.202.248.87.in-addr.arpa udp
US 8.8.8.8:53 88.16.208.104.in-addr.arpa udp

Files

memory/4360-134-0x0000000074880000-0x0000000075030000-memory.dmp

memory/4360-133-0x00000000000B0000-0x00000000001B6000-memory.dmp

memory/4360-135-0x00000000050C0000-0x0000000005664000-memory.dmp

memory/4360-136-0x0000000004A10000-0x0000000004AA2000-memory.dmp

memory/4360-137-0x0000000004C20000-0x0000000004C30000-memory.dmp

memory/4360-138-0x0000000004AD0000-0x0000000004ADA000-memory.dmp

memory/4360-139-0x0000000004CE0000-0x0000000004D7C000-memory.dmp

memory/4360-140-0x0000000074880000-0x0000000075030000-memory.dmp

memory/4360-141-0x0000000004C20000-0x0000000004C30000-memory.dmp

memory/1772-143-0x0000000000400000-0x000000000046D000-memory.dmp

memory/1772-146-0x0000000000400000-0x000000000046D000-memory.dmp

memory/4360-148-0x0000000074880000-0x0000000075030000-memory.dmp

memory/1772-150-0x0000000000400000-0x000000000046D000-memory.dmp