Malware Analysis Report

2024-12-06 03:01

Sample ID 241115-tqaersxdqp
Target 28dbe1a424619df840d06cebb87f8d08649a37db58e1c2e51ab25c84aa31701d
SHA256 28dbe1a424619df840d06cebb87f8d08649a37db58e1c2e51ab25c84aa31701d
Tags
guloader discovery downloader persistence
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: behavioral4

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral5

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral6

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral7

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral8

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

28dbe1a424619df840d06cebb87f8d08649a37db58e1c2e51ab25c84aa31701d

Threat Level: Known bad

The file 28dbe1a424619df840d06cebb87f8d08649a37db58e1c2e51ab25c84aa31701d was found to be: Known bad.

Malicious Activity Summary

guloader discovery downloader persistence

Guloader,Cloudeye

Guloader family

Loads dropped DLL

Checks QEMU agent file

Adds Run key to start application

Suspicious use of NtSetInformationThreadHideFromDebugger

Suspicious use of SetThreadContext

System Location Discovery: System Language Discovery

Enumerates physical storage devices

Unsigned PE

Program crash

Suspicious behavior: MapViewOfSection

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-15 16:15

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-15 16:15

Reported

2024-11-15 16:17

Platform

win7-20240903-en

Max time kernel

150s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\28dbe1a424619df840d06cebb87f8d08649a37db58e1c2e51ab25c84aa31701d.exe"

Signatures

Guloader family

guloader

Guloader,Cloudeye

downloader guloader

Checks QEMU agent file

Description Indicator Process Target
File opened (read-only) C:\Program Files\Qemu-ga\qemu-ga.exe C:\Users\Admin\AppData\Local\Temp\28dbe1a424619df840d06cebb87f8d08649a37db58e1c2e51ab25c84aa31701d.exe N/A
File opened (read-only) C:\Program Files\Qemu-ga\qemu-ga.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\28dbe1a424619df840d06cebb87f8d08649a37db58e1c2e51ab25c84aa31701d.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\28dbe1a424619df840d06cebb87f8d08649a37db58e1c2e51ab25c84aa31701d.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\28dbe1a424619df840d06cebb87f8d08649a37db58e1c2e51ab25c84aa31701d.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\28dbe1a424619df840d06cebb87f8d08649a37db58e1c2e51ab25c84aa31701d.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\28dbe1a424619df840d06cebb87f8d08649a37db58e1c2e51ab25c84aa31701d.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\28dbe1a424619df840d06cebb87f8d08649a37db58e1c2e51ab25c84aa31701d.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\28dbe1a424619df840d06cebb87f8d08649a37db58e1c2e51ab25c84aa31701d.exe N/A
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N/A N/A C:\Users\Admin\AppData\Local\Temp\28dbe1a424619df840d06cebb87f8d08649a37db58e1c2e51ab25c84aa31701d.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\Handselling = "C:\\Users\\Admin\\AppData\\Local\\Temp\\sekstenaarig\\Lerduer.exe" C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\28dbe1a424619df840d06cebb87f8d08649a37db58e1c2e51ab25c84aa31701d.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1984 set thread context of 2076 N/A C:\Users\Admin\AppData\Local\Temp\28dbe1a424619df840d06cebb87f8d08649a37db58e1c2e51ab25c84aa31701d.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\28dbe1a424619df840d06cebb87f8d08649a37db58e1c2e51ab25c84aa31701d.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\28dbe1a424619df840d06cebb87f8d08649a37db58e1c2e51ab25c84aa31701d.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\28dbe1a424619df840d06cebb87f8d08649a37db58e1c2e51ab25c84aa31701d.exe

"C:\Users\Admin\AppData\Local\Temp\28dbe1a424619df840d06cebb87f8d08649a37db58e1c2e51ab25c84aa31701d.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe

"C:\Users\Admin\AppData\Local\Temp\28dbe1a424619df840d06cebb87f8d08649a37db58e1c2e51ab25c84aa31701d.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 vinetikett.com udp

Files

\Users\Admin\AppData\Local\Temp\nsyA288.tmp\System.dll

MD5 9625d5b1754bc4ff29281d415d27a0fd
SHA1 80e85afc5cccd4c0a3775edbb90595a1a59f5ce0
SHA256 c2f405d7402f815d0c3fadd9a50f0bbbb1bab9aa38fe347823478a2587299448
SHA512 dce52b640897c2e8dbfd0a1472d5377fa91fb9cf1aeff62604d014bccbe5b56af1378f173132abeb0edd18c225b9f8f5e3d3e72434aed946661e036c779f165b

memory/1984-203-0x00000000035B0000-0x00000000042CE000-memory.dmp

memory/1984-204-0x00000000035B0000-0x00000000042CE000-memory.dmp

memory/1984-205-0x00000000779A1000-0x0000000077AA2000-memory.dmp

memory/1984-206-0x00000000779A0000-0x0000000077B49000-memory.dmp

memory/2076-207-0x00000000779A0000-0x0000000077B49000-memory.dmp

memory/2076-209-0x0000000000400000-0x0000000000615000-memory.dmp

memory/1984-215-0x00000000035B0000-0x00000000042CE000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-15 16:15

Reported

2024-11-15 16:17

Platform

win10v2004-20241007-en

Max time kernel

150s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\28dbe1a424619df840d06cebb87f8d08649a37db58e1c2e51ab25c84aa31701d.exe"

Signatures

Guloader family

guloader

Guloader,Cloudeye

downloader guloader

Checks QEMU agent file

Description Indicator Process Target
File opened (read-only) C:\Program Files\Qemu-ga\qemu-ga.exe C:\Users\Admin\AppData\Local\Temp\28dbe1a424619df840d06cebb87f8d08649a37db58e1c2e51ab25c84aa31701d.exe N/A
File opened (read-only) C:\Program Files\Qemu-ga\qemu-ga.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\28dbe1a424619df840d06cebb87f8d08649a37db58e1c2e51ab25c84aa31701d.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\28dbe1a424619df840d06cebb87f8d08649a37db58e1c2e51ab25c84aa31701d.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\28dbe1a424619df840d06cebb87f8d08649a37db58e1c2e51ab25c84aa31701d.exe N/A
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N/A N/A C:\Users\Admin\AppData\Local\Temp\28dbe1a424619df840d06cebb87f8d08649a37db58e1c2e51ab25c84aa31701d.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\28dbe1a424619df840d06cebb87f8d08649a37db58e1c2e51ab25c84aa31701d.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\28dbe1a424619df840d06cebb87f8d08649a37db58e1c2e51ab25c84aa31701d.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\28dbe1a424619df840d06cebb87f8d08649a37db58e1c2e51ab25c84aa31701d.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\28dbe1a424619df840d06cebb87f8d08649a37db58e1c2e51ab25c84aa31701d.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\28dbe1a424619df840d06cebb87f8d08649a37db58e1c2e51ab25c84aa31701d.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\28dbe1a424619df840d06cebb87f8d08649a37db58e1c2e51ab25c84aa31701d.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\28dbe1a424619df840d06cebb87f8d08649a37db58e1c2e51ab25c84aa31701d.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\28dbe1a424619df840d06cebb87f8d08649a37db58e1c2e51ab25c84aa31701d.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\28dbe1a424619df840d06cebb87f8d08649a37db58e1c2e51ab25c84aa31701d.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\28dbe1a424619df840d06cebb87f8d08649a37db58e1c2e51ab25c84aa31701d.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\28dbe1a424619df840d06cebb87f8d08649a37db58e1c2e51ab25c84aa31701d.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\28dbe1a424619df840d06cebb87f8d08649a37db58e1c2e51ab25c84aa31701d.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\28dbe1a424619df840d06cebb87f8d08649a37db58e1c2e51ab25c84aa31701d.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\Handselling = "C:\\Users\\Admin\\AppData\\Local\\Temp\\sekstenaarig\\Lerduer.exe" C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\28dbe1a424619df840d06cebb87f8d08649a37db58e1c2e51ab25c84aa31701d.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4164 set thread context of 3940 N/A C:\Users\Admin\AppData\Local\Temp\28dbe1a424619df840d06cebb87f8d08649a37db58e1c2e51ab25c84aa31701d.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\28dbe1a424619df840d06cebb87f8d08649a37db58e1c2e51ab25c84aa31701d.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4164 wrote to memory of 1880 N/A C:\Users\Admin\AppData\Local\Temp\28dbe1a424619df840d06cebb87f8d08649a37db58e1c2e51ab25c84aa31701d.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
PID 4164 wrote to memory of 1880 N/A C:\Users\Admin\AppData\Local\Temp\28dbe1a424619df840d06cebb87f8d08649a37db58e1c2e51ab25c84aa31701d.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
PID 4164 wrote to memory of 1880 N/A C:\Users\Admin\AppData\Local\Temp\28dbe1a424619df840d06cebb87f8d08649a37db58e1c2e51ab25c84aa31701d.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
PID 4164 wrote to memory of 1608 N/A C:\Users\Admin\AppData\Local\Temp\28dbe1a424619df840d06cebb87f8d08649a37db58e1c2e51ab25c84aa31701d.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
PID 4164 wrote to memory of 1608 N/A C:\Users\Admin\AppData\Local\Temp\28dbe1a424619df840d06cebb87f8d08649a37db58e1c2e51ab25c84aa31701d.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
PID 4164 wrote to memory of 1608 N/A C:\Users\Admin\AppData\Local\Temp\28dbe1a424619df840d06cebb87f8d08649a37db58e1c2e51ab25c84aa31701d.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
PID 4164 wrote to memory of 1564 N/A C:\Users\Admin\AppData\Local\Temp\28dbe1a424619df840d06cebb87f8d08649a37db58e1c2e51ab25c84aa31701d.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
PID 4164 wrote to memory of 1564 N/A C:\Users\Admin\AppData\Local\Temp\28dbe1a424619df840d06cebb87f8d08649a37db58e1c2e51ab25c84aa31701d.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
PID 4164 wrote to memory of 1564 N/A C:\Users\Admin\AppData\Local\Temp\28dbe1a424619df840d06cebb87f8d08649a37db58e1c2e51ab25c84aa31701d.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
PID 4164 wrote to memory of 1188 N/A C:\Users\Admin\AppData\Local\Temp\28dbe1a424619df840d06cebb87f8d08649a37db58e1c2e51ab25c84aa31701d.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
PID 4164 wrote to memory of 1188 N/A C:\Users\Admin\AppData\Local\Temp\28dbe1a424619df840d06cebb87f8d08649a37db58e1c2e51ab25c84aa31701d.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
PID 4164 wrote to memory of 1188 N/A C:\Users\Admin\AppData\Local\Temp\28dbe1a424619df840d06cebb87f8d08649a37db58e1c2e51ab25c84aa31701d.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
PID 4164 wrote to memory of 3940 N/A C:\Users\Admin\AppData\Local\Temp\28dbe1a424619df840d06cebb87f8d08649a37db58e1c2e51ab25c84aa31701d.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
PID 4164 wrote to memory of 3940 N/A C:\Users\Admin\AppData\Local\Temp\28dbe1a424619df840d06cebb87f8d08649a37db58e1c2e51ab25c84aa31701d.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
PID 4164 wrote to memory of 3940 N/A C:\Users\Admin\AppData\Local\Temp\28dbe1a424619df840d06cebb87f8d08649a37db58e1c2e51ab25c84aa31701d.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
PID 4164 wrote to memory of 3940 N/A C:\Users\Admin\AppData\Local\Temp\28dbe1a424619df840d06cebb87f8d08649a37db58e1c2e51ab25c84aa31701d.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe

Processes

C:\Users\Admin\AppData\Local\Temp\28dbe1a424619df840d06cebb87f8d08649a37db58e1c2e51ab25c84aa31701d.exe

"C:\Users\Admin\AppData\Local\Temp\28dbe1a424619df840d06cebb87f8d08649a37db58e1c2e51ab25c84aa31701d.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe

"C:\Users\Admin\AppData\Local\Temp\28dbe1a424619df840d06cebb87f8d08649a37db58e1c2e51ab25c84aa31701d.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe

"C:\Users\Admin\AppData\Local\Temp\28dbe1a424619df840d06cebb87f8d08649a37db58e1c2e51ab25c84aa31701d.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe

"C:\Users\Admin\AppData\Local\Temp\28dbe1a424619df840d06cebb87f8d08649a37db58e1c2e51ab25c84aa31701d.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe

"C:\Users\Admin\AppData\Local\Temp\28dbe1a424619df840d06cebb87f8d08649a37db58e1c2e51ab25c84aa31701d.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe

"C:\Users\Admin\AppData\Local\Temp\28dbe1a424619df840d06cebb87f8d08649a37db58e1c2e51ab25c84aa31701d.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 21.49.80.91.in-addr.arpa udp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 vinetikett.com udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 vinetikett.com udp
US 8.8.8.8:53 vinetikett.com udp
US 8.8.8.8:53 vinetikett.com udp
US 8.8.8.8:53 vinetikett.com udp
US 8.8.8.8:53 vinetikett.com udp
US 8.8.8.8:53 vinetikett.com udp
US 8.8.8.8:53 180.129.81.91.in-addr.arpa udp
US 8.8.8.8:53 vinetikett.com udp
US 8.8.8.8:53 vinetikett.com udp
US 8.8.8.8:53 vinetikett.com udp
US 8.8.8.8:53 vinetikett.com udp
US 8.8.8.8:53 vinetikett.com udp
US 8.8.8.8:53 vinetikett.com udp
US 8.8.8.8:53 vinetikett.com udp
US 8.8.8.8:53 vinetikett.com udp
US 8.8.8.8:53 vinetikett.com udp
US 8.8.8.8:53 vinetikett.com udp
US 8.8.8.8:53 vinetikett.com udp
US 8.8.8.8:53 vinetikett.com udp
US 8.8.8.8:53 vinetikett.com udp
US 8.8.8.8:53 vinetikett.com udp
US 8.8.8.8:53 vinetikett.com udp
US 8.8.8.8:53 vinetikett.com udp
US 8.8.8.8:53 vinetikett.com udp
US 8.8.8.8:53 26.173.189.20.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\nsf7ACF.tmp\System.dll

MD5 9625d5b1754bc4ff29281d415d27a0fd
SHA1 80e85afc5cccd4c0a3775edbb90595a1a59f5ce0
SHA256 c2f405d7402f815d0c3fadd9a50f0bbbb1bab9aa38fe347823478a2587299448
SHA512 dce52b640897c2e8dbfd0a1472d5377fa91fb9cf1aeff62604d014bccbe5b56af1378f173132abeb0edd18c225b9f8f5e3d3e72434aed946661e036c779f165b

memory/4164-154-0x0000000003380000-0x000000000409E000-memory.dmp

memory/4164-155-0x0000000003380000-0x000000000409E000-memory.dmp

memory/4164-156-0x0000000077B01000-0x0000000077C21000-memory.dmp

memory/4164-157-0x0000000010004000-0x0000000010005000-memory.dmp

memory/4164-158-0x0000000010000000-0x0000000010006000-memory.dmp

memory/3940-159-0x0000000000E00000-0x0000000001B1E000-memory.dmp

memory/3940-160-0x0000000077B88000-0x0000000077B89000-memory.dmp

memory/3940-162-0x0000000077B01000-0x0000000077C21000-memory.dmp

memory/3940-163-0x0000000000E00000-0x0000000001B1E000-memory.dmp

memory/3940-164-0x0000000000400000-0x000000000062B000-memory.dmp

Analysis: behavioral4

Detonation Overview

Submitted

2024-11-15 16:15

Reported

2024-11-15 16:17

Platform

win10v2004-20241007-en

Max time kernel

93s

Max time network

141s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1

Signatures

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\rundll32.exe

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4676 wrote to memory of 1056 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4676 wrote to memory of 1056 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4676 wrote to memory of 1056 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1056 -ip 1056

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1056 -s 612

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 21.49.80.91.in-addr.arpa udp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 20.49.80.91.in-addr.arpa udp
US 8.8.8.8:53 180.129.81.91.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp

Files

N/A

Analysis: behavioral5

Detonation Overview

Submitted

2024-11-15 16:15

Reported

2024-11-15 16:17

Platform

win7-20241010-en

Max time kernel

117s

Max time network

119s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\Funktionrgruppen\Madreporaria\SpeedFan.dll,#1

Signatures

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2552 wrote to memory of 2100 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2552 wrote to memory of 2100 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2552 wrote to memory of 2100 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2552 wrote to memory of 2100 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2552 wrote to memory of 2100 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2552 wrote to memory of 2100 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2552 wrote to memory of 2100 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\Funktionrgruppen\Madreporaria\SpeedFan.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\Funktionrgruppen\Madreporaria\SpeedFan.dll,#1

Network

N/A

Files

N/A

Analysis: behavioral6

Detonation Overview

Submitted

2024-11-15 16:15

Reported

2024-11-15 16:17

Platform

win10v2004-20241007-en

Max time kernel

95s

Max time network

139s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\Funktionrgruppen\Madreporaria\SpeedFan.dll,#1

Signatures

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 916 wrote to memory of 1428 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 916 wrote to memory of 1428 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 916 wrote to memory of 1428 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\Funktionrgruppen\Madreporaria\SpeedFan.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\Funktionrgruppen\Madreporaria\SpeedFan.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp

Files

N/A

Analysis: behavioral3

Detonation Overview

Submitted

2024-11-15 16:15

Reported

2024-11-15 16:17

Platform

win7-20240903-en

Max time kernel

121s

Max time network

122s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1

Signatures

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\rundll32.exe

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2324 -s 224

Network

N/A

Files

N/A

Analysis: behavioral7

Detonation Overview

Submitted

2024-11-15 16:15

Reported

2024-11-15 16:17

Platform

win7-20240903-en

Max time kernel

117s

Max time network

118s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\Funktionrgruppen\Madreporaria\libpixbufloader-bmp.dll,#1

Signatures

N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\Funktionrgruppen\Madreporaria\libpixbufloader-bmp.dll,#1

Network

N/A

Files

N/A

Analysis: behavioral8

Detonation Overview

Submitted

2024-11-15 16:15

Reported

2024-11-15 16:17

Platform

win10v2004-20241007-en

Max time kernel

94s

Max time network

145s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\Funktionrgruppen\Madreporaria\libpixbufloader-bmp.dll,#1

Signatures

N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\Funktionrgruppen\Madreporaria\libpixbufloader-bmp.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 20.49.80.91.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp

Files

N/A