Malware Analysis Report

2025-06-16 06:17

Sample ID 230505-xkyrysfc97
Target ab69d6548ccd94133e98d0969a8e50af.bin
SHA256 dd28aadece5caef4540595c8502ab9ed1a7c48062fc744c3b69e5c2e7804b08d
Tags
darkcloud stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

dd28aadece5caef4540595c8502ab9ed1a7c48062fc744c3b69e5c2e7804b08d

Threat Level: Known bad

The file ab69d6548ccd94133e98d0969a8e50af.bin was found to be: Known bad.

Malicious Activity Summary

darkcloud stealer

DarkCloud

Suspicious use of SetThreadContext

Unsigned PE

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-05-05 18:55

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2023-05-05 18:55

Reported

2023-05-05 19:46

Platform

win10v2004-20230220-en

Max time kernel

181s

Max time network

189s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e8494ad45492e71aa36941a772d0697db87bda82a91f16e69916ad9a4642042d.exe"

Signatures

DarkCloud

stealer darkcloud

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\e8494ad45492e71aa36941a772d0697db87bda82a91f16e69916ad9a4642042d.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4484 wrote to memory of 4176 N/A C:\Users\Admin\AppData\Local\Temp\e8494ad45492e71aa36941a772d0697db87bda82a91f16e69916ad9a4642042d.exe C:\Users\Admin\AppData\Local\Temp\e8494ad45492e71aa36941a772d0697db87bda82a91f16e69916ad9a4642042d.exe
PID 4484 wrote to memory of 4176 N/A C:\Users\Admin\AppData\Local\Temp\e8494ad45492e71aa36941a772d0697db87bda82a91f16e69916ad9a4642042d.exe C:\Users\Admin\AppData\Local\Temp\e8494ad45492e71aa36941a772d0697db87bda82a91f16e69916ad9a4642042d.exe
PID 4484 wrote to memory of 4176 N/A C:\Users\Admin\AppData\Local\Temp\e8494ad45492e71aa36941a772d0697db87bda82a91f16e69916ad9a4642042d.exe C:\Users\Admin\AppData\Local\Temp\e8494ad45492e71aa36941a772d0697db87bda82a91f16e69916ad9a4642042d.exe
PID 4484 wrote to memory of 4176 N/A C:\Users\Admin\AppData\Local\Temp\e8494ad45492e71aa36941a772d0697db87bda82a91f16e69916ad9a4642042d.exe C:\Users\Admin\AppData\Local\Temp\e8494ad45492e71aa36941a772d0697db87bda82a91f16e69916ad9a4642042d.exe
PID 4484 wrote to memory of 4176 N/A C:\Users\Admin\AppData\Local\Temp\e8494ad45492e71aa36941a772d0697db87bda82a91f16e69916ad9a4642042d.exe C:\Users\Admin\AppData\Local\Temp\e8494ad45492e71aa36941a772d0697db87bda82a91f16e69916ad9a4642042d.exe
PID 4484 wrote to memory of 4176 N/A C:\Users\Admin\AppData\Local\Temp\e8494ad45492e71aa36941a772d0697db87bda82a91f16e69916ad9a4642042d.exe C:\Users\Admin\AppData\Local\Temp\e8494ad45492e71aa36941a772d0697db87bda82a91f16e69916ad9a4642042d.exe
PID 4484 wrote to memory of 4176 N/A C:\Users\Admin\AppData\Local\Temp\e8494ad45492e71aa36941a772d0697db87bda82a91f16e69916ad9a4642042d.exe C:\Users\Admin\AppData\Local\Temp\e8494ad45492e71aa36941a772d0697db87bda82a91f16e69916ad9a4642042d.exe
PID 4484 wrote to memory of 4176 N/A C:\Users\Admin\AppData\Local\Temp\e8494ad45492e71aa36941a772d0697db87bda82a91f16e69916ad9a4642042d.exe C:\Users\Admin\AppData\Local\Temp\e8494ad45492e71aa36941a772d0697db87bda82a91f16e69916ad9a4642042d.exe

Processes

C:\Users\Admin\AppData\Local\Temp\e8494ad45492e71aa36941a772d0697db87bda82a91f16e69916ad9a4642042d.exe

"C:\Users\Admin\AppData\Local\Temp\e8494ad45492e71aa36941a772d0697db87bda82a91f16e69916ad9a4642042d.exe"

C:\Users\Admin\AppData\Local\Temp\e8494ad45492e71aa36941a772d0697db87bda82a91f16e69916ad9a4642042d.exe

"C:\Users\Admin\AppData\Local\Temp\e8494ad45492e71aa36941a772d0697db87bda82a91f16e69916ad9a4642042d.exe"

Network

Country Destination Domain Proto
US 209.197.3.8:80 tcp
US 8.8.8.8:53 8.3.197.209.in-addr.arpa udp
US 8.8.8.8:53 1.202.248.87.in-addr.arpa udp
US 8.8.8.8:53 64.13.109.52.in-addr.arpa udp
US 8.8.8.8:53 1.202.248.87.in-addr.arpa udp
US 93.184.220.29:80 tcp
NL 84.53.175.11:80 tcp
NL 173.223.113.164:443 tcp
NL 173.223.113.131:80 tcp
US 204.79.197.203:80 tcp
US 8.8.8.8:53 133.17.126.40.in-addr.arpa udp
US 52.242.97.97:443 tcp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 134.121.24.20.in-addr.arpa udp
US 8.8.8.8:53 1.208.79.178.in-addr.arpa udp
US 8.8.8.8:53 143.145.190.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 2.36.159.162.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 97.238.32.23.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp

Files

memory/4484-133-0x0000000000620000-0x000000000070A000-memory.dmp

memory/4484-134-0x0000000005770000-0x0000000005D14000-memory.dmp

memory/4484-135-0x0000000004FC0000-0x0000000005052000-memory.dmp

memory/4484-136-0x0000000005310000-0x0000000005320000-memory.dmp

memory/4484-137-0x0000000002B30000-0x0000000002B3A000-memory.dmp

memory/4484-138-0x0000000005310000-0x0000000005320000-memory.dmp

memory/4484-139-0x000000000A370000-0x000000000A40C000-memory.dmp

memory/4176-140-0x0000000000400000-0x0000000000478000-memory.dmp

memory/4176-142-0x0000000000400000-0x0000000000478000-memory.dmp

memory/4176-146-0x0000000000400000-0x0000000000478000-memory.dmp

memory/4176-147-0x0000000000400000-0x0000000000478000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2023-05-05 18:55

Reported

2023-05-05 19:46

Platform

win7-20230220-en

Max time kernel

106s

Max time network

33s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e8494ad45492e71aa36941a772d0697db87bda82a91f16e69916ad9a4642042d.exe"

Signatures

DarkCloud

stealer darkcloud

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\e8494ad45492e71aa36941a772d0697db87bda82a91f16e69916ad9a4642042d.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1076 wrote to memory of 528 N/A C:\Users\Admin\AppData\Local\Temp\e8494ad45492e71aa36941a772d0697db87bda82a91f16e69916ad9a4642042d.exe C:\Users\Admin\AppData\Local\Temp\e8494ad45492e71aa36941a772d0697db87bda82a91f16e69916ad9a4642042d.exe
PID 1076 wrote to memory of 528 N/A C:\Users\Admin\AppData\Local\Temp\e8494ad45492e71aa36941a772d0697db87bda82a91f16e69916ad9a4642042d.exe C:\Users\Admin\AppData\Local\Temp\e8494ad45492e71aa36941a772d0697db87bda82a91f16e69916ad9a4642042d.exe
PID 1076 wrote to memory of 528 N/A C:\Users\Admin\AppData\Local\Temp\e8494ad45492e71aa36941a772d0697db87bda82a91f16e69916ad9a4642042d.exe C:\Users\Admin\AppData\Local\Temp\e8494ad45492e71aa36941a772d0697db87bda82a91f16e69916ad9a4642042d.exe
PID 1076 wrote to memory of 528 N/A C:\Users\Admin\AppData\Local\Temp\e8494ad45492e71aa36941a772d0697db87bda82a91f16e69916ad9a4642042d.exe C:\Users\Admin\AppData\Local\Temp\e8494ad45492e71aa36941a772d0697db87bda82a91f16e69916ad9a4642042d.exe
PID 1076 wrote to memory of 528 N/A C:\Users\Admin\AppData\Local\Temp\e8494ad45492e71aa36941a772d0697db87bda82a91f16e69916ad9a4642042d.exe C:\Users\Admin\AppData\Local\Temp\e8494ad45492e71aa36941a772d0697db87bda82a91f16e69916ad9a4642042d.exe
PID 1076 wrote to memory of 528 N/A C:\Users\Admin\AppData\Local\Temp\e8494ad45492e71aa36941a772d0697db87bda82a91f16e69916ad9a4642042d.exe C:\Users\Admin\AppData\Local\Temp\e8494ad45492e71aa36941a772d0697db87bda82a91f16e69916ad9a4642042d.exe
PID 1076 wrote to memory of 528 N/A C:\Users\Admin\AppData\Local\Temp\e8494ad45492e71aa36941a772d0697db87bda82a91f16e69916ad9a4642042d.exe C:\Users\Admin\AppData\Local\Temp\e8494ad45492e71aa36941a772d0697db87bda82a91f16e69916ad9a4642042d.exe
PID 1076 wrote to memory of 528 N/A C:\Users\Admin\AppData\Local\Temp\e8494ad45492e71aa36941a772d0697db87bda82a91f16e69916ad9a4642042d.exe C:\Users\Admin\AppData\Local\Temp\e8494ad45492e71aa36941a772d0697db87bda82a91f16e69916ad9a4642042d.exe
PID 1076 wrote to memory of 528 N/A C:\Users\Admin\AppData\Local\Temp\e8494ad45492e71aa36941a772d0697db87bda82a91f16e69916ad9a4642042d.exe C:\Users\Admin\AppData\Local\Temp\e8494ad45492e71aa36941a772d0697db87bda82a91f16e69916ad9a4642042d.exe

Processes

C:\Users\Admin\AppData\Local\Temp\e8494ad45492e71aa36941a772d0697db87bda82a91f16e69916ad9a4642042d.exe

"C:\Users\Admin\AppData\Local\Temp\e8494ad45492e71aa36941a772d0697db87bda82a91f16e69916ad9a4642042d.exe"

C:\Users\Admin\AppData\Local\Temp\e8494ad45492e71aa36941a772d0697db87bda82a91f16e69916ad9a4642042d.exe

"C:\Users\Admin\AppData\Local\Temp\e8494ad45492e71aa36941a772d0697db87bda82a91f16e69916ad9a4642042d.exe"

Network

N/A

Files

memory/1076-54-0x0000000000B50000-0x0000000000C3A000-memory.dmp

memory/1076-55-0x0000000000530000-0x0000000000570000-memory.dmp

memory/1076-56-0x0000000000350000-0x0000000000366000-memory.dmp

memory/1076-57-0x0000000000530000-0x0000000000570000-memory.dmp

memory/1076-58-0x0000000000370000-0x000000000037C000-memory.dmp

memory/1076-59-0x0000000006010000-0x00000000060C2000-memory.dmp

memory/1076-60-0x0000000000480000-0x0000000000500000-memory.dmp

memory/528-61-0x0000000000400000-0x0000000000478000-memory.dmp

memory/528-62-0x0000000000400000-0x0000000000478000-memory.dmp

memory/528-63-0x0000000000400000-0x0000000000478000-memory.dmp

memory/528-65-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/528-66-0x0000000000400000-0x0000000000478000-memory.dmp

memory/528-68-0x0000000000400000-0x0000000000478000-memory.dmp

memory/528-71-0x0000000000400000-0x0000000000478000-memory.dmp

memory/528-72-0x0000000000400000-0x0000000000478000-memory.dmp