Malware Analysis Report

2025-04-13 21:07

Sample ID 230722-bghexahc77
Target 1dc6a4dd8ac552c5bb6aa2f12d83926b.bin
SHA256 ae94e9fc96dc5a4d7f53cd487c0fefd41cbb8d93bf4d29ed105fac83bd68e41c
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

ae94e9fc96dc5a4d7f53cd487c0fefd41cbb8d93bf4d29ed105fac83bd68e41c

Threat Level: Known bad

The file 1dc6a4dd8ac552c5bb6aa2f12d83926b.bin was found to be: Known bad.

Malicious Activity Summary

darkcloud stealer

DarkCloud

Suspicious use of SetThreadContext

Unsigned PE

Program crash

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-07-22 01:06

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-07-22 01:06

Reported

2023-07-22 01:09

Platform

win7-20230712-en

Max time kernel

121s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\295757477a07e2f8c97054d3293539518781c52206b5deb274f955082d8e7d87.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\295757477a07e2f8c97054d3293539518781c52206b5deb274f955082d8e7d87.exe

"C:\Users\Admin\AppData\Local\Temp\295757477a07e2f8c97054d3293539518781c52206b5deb274f955082d8e7d87.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2136 -s 680

Network

N/A

Files

memory/2136-54-0x0000000000010000-0x00000000000FA000-memory.dmp

memory/2136-55-0x00000000741D0000-0x00000000748BE000-memory.dmp

memory/2136-56-0x0000000004C50000-0x0000000004C90000-memory.dmp

memory/2136-57-0x0000000000580000-0x000000000058E000-memory.dmp

memory/2136-58-0x00000000741D0000-0x00000000748BE000-memory.dmp

memory/2136-59-0x0000000004C50000-0x0000000004C90000-memory.dmp

memory/2136-60-0x0000000000620000-0x000000000062A000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-07-22 01:06

Reported

2023-07-22 01:09

Platform

win10v2004-20230703-en

Max time kernel

148s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\295757477a07e2f8c97054d3293539518781c52206b5deb274f955082d8e7d87.exe"

Signatures

DarkCloud

stealer darkcloud

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\295757477a07e2f8c97054d3293539518781c52206b5deb274f955082d8e7d87.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3452 wrote to memory of 2892 N/A C:\Users\Admin\AppData\Local\Temp\295757477a07e2f8c97054d3293539518781c52206b5deb274f955082d8e7d87.exe C:\Users\Admin\AppData\Local\Temp\295757477a07e2f8c97054d3293539518781c52206b5deb274f955082d8e7d87.exe
PID 3452 wrote to memory of 2892 N/A C:\Users\Admin\AppData\Local\Temp\295757477a07e2f8c97054d3293539518781c52206b5deb274f955082d8e7d87.exe C:\Users\Admin\AppData\Local\Temp\295757477a07e2f8c97054d3293539518781c52206b5deb274f955082d8e7d87.exe
PID 3452 wrote to memory of 2892 N/A C:\Users\Admin\AppData\Local\Temp\295757477a07e2f8c97054d3293539518781c52206b5deb274f955082d8e7d87.exe C:\Users\Admin\AppData\Local\Temp\295757477a07e2f8c97054d3293539518781c52206b5deb274f955082d8e7d87.exe
PID 3452 wrote to memory of 2892 N/A C:\Users\Admin\AppData\Local\Temp\295757477a07e2f8c97054d3293539518781c52206b5deb274f955082d8e7d87.exe C:\Users\Admin\AppData\Local\Temp\295757477a07e2f8c97054d3293539518781c52206b5deb274f955082d8e7d87.exe
PID 3452 wrote to memory of 2892 N/A C:\Users\Admin\AppData\Local\Temp\295757477a07e2f8c97054d3293539518781c52206b5deb274f955082d8e7d87.exe C:\Users\Admin\AppData\Local\Temp\295757477a07e2f8c97054d3293539518781c52206b5deb274f955082d8e7d87.exe
PID 3452 wrote to memory of 2892 N/A C:\Users\Admin\AppData\Local\Temp\295757477a07e2f8c97054d3293539518781c52206b5deb274f955082d8e7d87.exe C:\Users\Admin\AppData\Local\Temp\295757477a07e2f8c97054d3293539518781c52206b5deb274f955082d8e7d87.exe
PID 3452 wrote to memory of 2892 N/A C:\Users\Admin\AppData\Local\Temp\295757477a07e2f8c97054d3293539518781c52206b5deb274f955082d8e7d87.exe C:\Users\Admin\AppData\Local\Temp\295757477a07e2f8c97054d3293539518781c52206b5deb274f955082d8e7d87.exe
PID 3452 wrote to memory of 2892 N/A C:\Users\Admin\AppData\Local\Temp\295757477a07e2f8c97054d3293539518781c52206b5deb274f955082d8e7d87.exe C:\Users\Admin\AppData\Local\Temp\295757477a07e2f8c97054d3293539518781c52206b5deb274f955082d8e7d87.exe

Processes

C:\Users\Admin\AppData\Local\Temp\295757477a07e2f8c97054d3293539518781c52206b5deb274f955082d8e7d87.exe

"C:\Users\Admin\AppData\Local\Temp\295757477a07e2f8c97054d3293539518781c52206b5deb274f955082d8e7d87.exe"

C:\Users\Admin\AppData\Local\Temp\295757477a07e2f8c97054d3293539518781c52206b5deb274f955082d8e7d87.exe

"C:\Users\Admin\AppData\Local\Temp\295757477a07e2f8c97054d3293539518781c52206b5deb274f955082d8e7d87.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 54.120.234.20.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 240.81.21.72.in-addr.arpa udp
US 8.8.8.8:53 202.74.101.95.in-addr.arpa udp
US 8.8.8.8:53 233.141.123.20.in-addr.arpa udp
US 8.8.8.8:53 27.73.42.20.in-addr.arpa udp

Files

memory/3452-134-0x0000000074B70000-0x0000000075320000-memory.dmp

memory/3452-133-0x0000000000C40000-0x0000000000D2A000-memory.dmp

memory/3452-135-0x0000000005B80000-0x0000000006124000-memory.dmp

memory/3452-136-0x0000000005670000-0x0000000005702000-memory.dmp

memory/3452-137-0x0000000005590000-0x00000000055A0000-memory.dmp

memory/3452-138-0x0000000005650000-0x000000000565A000-memory.dmp

memory/3452-139-0x0000000074B70000-0x0000000075320000-memory.dmp

memory/3452-140-0x0000000005590000-0x00000000055A0000-memory.dmp

memory/3452-141-0x000000000B030000-0x000000000B0CC000-memory.dmp

memory/2892-142-0x0000000000400000-0x000000000046D000-memory.dmp

memory/2892-144-0x0000000000400000-0x000000000046D000-memory.dmp

memory/3452-148-0x0000000074B70000-0x0000000075320000-memory.dmp

memory/2892-149-0x0000000000400000-0x000000000046D000-memory.dmp