Malware Analysis Report

2025-04-13 21:07

Sample ID 230725-jjnzgabd79
Target SOA.exe
SHA256 1011a1f84416383bfa9241516964b0d06ef81709b95677334fc65ff7b0323cf5
Tags
darkcloud persistence stealer upx
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

1011a1f84416383bfa9241516964b0d06ef81709b95677334fc65ff7b0323cf5

Threat Level: Known bad

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

Malicious Activity Summary

darkcloud persistence stealer upx

DarkCloud

UPX packed file

Loads dropped DLL

Adds Run key to start application

Suspicious use of SetThreadContext

Enumerates physical storage devices

Unsigned PE

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious behavior: GetForegroundWindowSpam

Suspicious behavior: MapViewOfSection

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-07-25 07:42

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-07-25 07:42

Reported

2023-07-25 07:44

Platform

win7-20230712-en

Max time kernel

142s

Max time network

126s

Command Line

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

Signatures

DarkCloud

stealer darkcloud

Loads dropped DLL

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

UPX packed file

upx
Description Indicator Process Target
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Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-722410544-1258951091-1992882075-1000\Software\Microsoft\Windows\CurrentVersion\Run\xhdmirbwgpluqa = "C:\\Users\\Admin\\AppData\\Roaming\\vrbkgoktdyirn\\wsclhqavfbkso.exe \"C:\\Users\\Admin\\AppData\\Local\\Temp\\SOA.exe\"" C:\Users\Admin\AppData\Local\Temp\SOA.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1732 set thread context of 2032 N/A C:\Users\Admin\AppData\Local\Temp\SOA.exe C:\Users\Admin\AppData\Local\Temp\SOA.exe

Enumerates physical storage devices

Suspicious behavior: GetForegroundWindowSpam

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

Suspicious behavior: MapViewOfSection

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

Suspicious use of SetWindowsHookEx

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

Processes

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

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

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

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

Network

N/A

Files

\Users\Admin\AppData\Local\Temp\nsoDAF6.tmp\gplsbdgv.dll

MD5 ea26ac454e1c4f39b0969a0b43325ac8
SHA1 2cdda560fc267f2319de8f0abbd72b9662b34b4d
SHA256 7a7596d615e586b3accae15f1b98c86a6b2aeef4642915f150cf6930d3c136f7
SHA512 fa871f6f349b70b144636010606c15a24e5be2f3a3544bc14e7d9bbb916caba65459c801fd7093aadb2b5ee1eb6e92180c72bed219f82f9f3382042c18113827

C:\Users\Admin\AppData\Local\Temp\nsoDAF6.tmp\gplsbdgv.dll

MD5 ea26ac454e1c4f39b0969a0b43325ac8
SHA1 2cdda560fc267f2319de8f0abbd72b9662b34b4d
SHA256 7a7596d615e586b3accae15f1b98c86a6b2aeef4642915f150cf6930d3c136f7
SHA512 fa871f6f349b70b144636010606c15a24e5be2f3a3544bc14e7d9bbb916caba65459c801fd7093aadb2b5ee1eb6e92180c72bed219f82f9f3382042c18113827

memory/1732-61-0x0000000000550000-0x0000000000552000-memory.dmp

memory/2032-63-0x0000000000400000-0x0000000000478000-memory.dmp

memory/2032-65-0x0000000000400000-0x0000000000478000-memory.dmp

memory/2032-67-0x0000000000400000-0x0000000000478000-memory.dmp

memory/2032-70-0x0000000000400000-0x0000000000478000-memory.dmp

memory/2032-71-0x0000000000400000-0x0000000000478000-memory.dmp

memory/2032-72-0x0000000000400000-0x0000000000478000-memory.dmp

memory/2032-73-0x0000000000400000-0x0000000000478000-memory.dmp

memory/2032-74-0x0000000000400000-0x0000000000478000-memory.dmp

memory/2032-75-0x0000000000400000-0x0000000000478000-memory.dmp

memory/2032-76-0x0000000000400000-0x0000000000478000-memory.dmp

memory/2032-77-0x0000000000400000-0x0000000000478000-memory.dmp

memory/2032-78-0x0000000000400000-0x0000000000478000-memory.dmp

memory/2032-79-0x0000000000400000-0x0000000000478000-memory.dmp

memory/2032-80-0x0000000000400000-0x0000000000478000-memory.dmp

memory/2032-81-0x0000000000400000-0x0000000000478000-memory.dmp

memory/2032-82-0x0000000000400000-0x0000000000478000-memory.dmp

memory/2032-83-0x0000000000400000-0x0000000000478000-memory.dmp

memory/2032-84-0x0000000000400000-0x0000000000478000-memory.dmp

memory/2032-85-0x0000000000400000-0x0000000000478000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-07-25 07:42

Reported

2023-07-25 07:44

Platform

win10v2004-20230703-en

Max time kernel

144s

Max time network

146s

Command Line

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

Signatures

DarkCloud

stealer darkcloud

Loads dropped DLL

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

UPX packed file

upx
Description Indicator Process Target
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Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3195054982-4292022746-1467505928-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xhdmirbwgpluqa = "C:\\Users\\Admin\\AppData\\Roaming\\vrbkgoktdyirn\\wsclhqavfbkso.exe \"C:\\Users\\Admin\\AppData\\Local\\Temp\\SOA.exe\"" C:\Users\Admin\AppData\Local\Temp\SOA.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2788 set thread context of 4752 N/A C:\Users\Admin\AppData\Local\Temp\SOA.exe C:\Users\Admin\AppData\Local\Temp\SOA.exe

Enumerates physical storage devices

Suspicious behavior: GetForegroundWindowSpam

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

Suspicious behavior: MapViewOfSection

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

Suspicious use of SetWindowsHookEx

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

Processes

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

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

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 126.179.238.8.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 45.8.109.52.in-addr.arpa udp
US 8.8.8.8:53 202.74.101.95.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\nsx73F9.tmp\gplsbdgv.dll

MD5 ea26ac454e1c4f39b0969a0b43325ac8
SHA1 2cdda560fc267f2319de8f0abbd72b9662b34b4d
SHA256 7a7596d615e586b3accae15f1b98c86a6b2aeef4642915f150cf6930d3c136f7
SHA512 fa871f6f349b70b144636010606c15a24e5be2f3a3544bc14e7d9bbb916caba65459c801fd7093aadb2b5ee1eb6e92180c72bed219f82f9f3382042c18113827

memory/2788-139-0x0000000002340000-0x0000000002342000-memory.dmp

memory/4752-141-0x0000000000400000-0x0000000000478000-memory.dmp

memory/4752-143-0x0000000000400000-0x0000000000478000-memory.dmp

memory/4752-144-0x0000000000400000-0x0000000000478000-memory.dmp

memory/4752-145-0x0000000000400000-0x0000000000478000-memory.dmp

memory/4752-148-0x0000000000400000-0x0000000000478000-memory.dmp

memory/4752-149-0x0000000000400000-0x0000000000478000-memory.dmp

memory/4752-150-0x0000000000400000-0x0000000000478000-memory.dmp

memory/4752-151-0x0000000000400000-0x0000000000478000-memory.dmp

memory/4752-152-0x0000000000400000-0x0000000000478000-memory.dmp

memory/4752-153-0x0000000000400000-0x0000000000478000-memory.dmp

memory/4752-154-0x0000000000400000-0x0000000000478000-memory.dmp

memory/4752-155-0x0000000000400000-0x0000000000478000-memory.dmp

memory/4752-156-0x0000000000400000-0x0000000000478000-memory.dmp

memory/4752-157-0x0000000000400000-0x0000000000478000-memory.dmp

memory/4752-158-0x0000000000400000-0x0000000000478000-memory.dmp

memory/4752-159-0x0000000000400000-0x0000000000478000-memory.dmp

memory/4752-160-0x0000000000400000-0x0000000000478000-memory.dmp

memory/4752-161-0x0000000000400000-0x0000000000478000-memory.dmp

memory/4752-162-0x0000000000400000-0x0000000000478000-memory.dmp

memory/4752-163-0x0000000000400000-0x0000000000478000-memory.dmp