Malware Analysis Report

2024-10-18 23:08

Sample ID 240710-bnst8axejk
Target 2e2b22d80e84945f3149e24fb08a874e5293d4fbbff6d7df7c941fb47be9b4ff.exe
SHA256 2e2b22d80e84945f3149e24fb08a874e5293d4fbbff6d7df7c941fb47be9b4ff
Tags
guloader 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: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral4

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

2e2b22d80e84945f3149e24fb08a874e5293d4fbbff6d7df7c941fb47be9b4ff

Threat Level: Known bad

The file 2e2b22d80e84945f3149e24fb08a874e5293d4fbbff6d7df7c941fb47be9b4ff.exe was found to be: Known bad.

Malicious Activity Summary

guloader downloader persistence

Guloader,Cloudeye

Loads dropped DLL

Adds Run key to start application

Legitimate hosting services abused for malware hosting/C2

Suspicious use of SetThreadContext

Suspicious use of NtCreateThreadExHideFromDebugger

Suspicious use of NtSetInformationThreadHideFromDebugger

Drops file in Windows directory

Program crash

Unsigned PE

Enumerates physical storage devices

NSIS installer

Suspicious behavior: MapViewOfSection

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-10 01:17

Signatures

Unsigned PE

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

NSIS installer

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-10 01:17

Reported

2024-07-10 01:21

Platform

win7-20240705-en

Max time kernel

150s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2e2b22d80e84945f3149e24fb08a874e5293d4fbbff6d7df7c941fb47be9b4ff.exe"

Signatures

Guloader,Cloudeye

downloader guloader

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\Startup key = "C:\\Users\\Admin\\AppData\\Local\\Temp\\subfolder1\\Spektralanalyser.exe" C:\Program Files (x86)\windows mail\wab.exe N/A

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A drive.google.com N/A N/A
N/A drive.google.com N/A N/A

Suspicious use of NtCreateThreadExHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\windows mail\wab.exe N/A
N/A N/A C:\Program Files (x86)\windows mail\wab.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2e2b22d80e84945f3149e24fb08a874e5293d4fbbff6d7df7c941fb47be9b4ff.exe N/A
N/A N/A C:\Program Files (x86)\windows mail\wab.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2372 set thread context of 2912 N/A C:\Users\Admin\AppData\Local\Temp\2e2b22d80e84945f3149e24fb08a874e5293d4fbbff6d7df7c941fb47be9b4ff.exe C:\Program Files (x86)\windows mail\wab.exe

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\Fonts\Apokryfens\Byggrynene.ini C:\Users\Admin\AppData\Local\Temp\2e2b22d80e84945f3149e24fb08a874e5293d4fbbff6d7df7c941fb47be9b4ff.exe N/A

Enumerates physical storage devices

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2e2b22d80e84945f3149e24fb08a874e5293d4fbbff6d7df7c941fb47be9b4ff.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\windows mail\wab.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2e2b22d80e84945f3149e24fb08a874e5293d4fbbff6d7df7c941fb47be9b4ff.exe

"C:\Users\Admin\AppData\Local\Temp\2e2b22d80e84945f3149e24fb08a874e5293d4fbbff6d7df7c941fb47be9b4ff.exe"

C:\Program Files (x86)\windows mail\wab.exe

"C:\Users\Admin\AppData\Local\Temp\2e2b22d80e84945f3149e24fb08a874e5293d4fbbff6d7df7c941fb47be9b4ff.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 drive.google.com udp
GB 172.217.16.238:443 drive.google.com tcp
US 8.8.8.8:53 c.pki.goog udp
GB 216.58.201.99:80 c.pki.goog tcp
US 8.8.8.8:53 o.pki.goog udp
GB 216.58.201.99:80 o.pki.goog tcp
US 8.8.8.8:53 drive.usercontent.google.com udp
GB 216.58.201.97:443 drive.usercontent.google.com tcp
US 8.8.8.8:53 learfo55ozj01.duckdns.org udp
US 192.169.69.26:29871 learfo55ozj01.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj01.duckdns.org tcp
US 8.8.8.8:53 learfo55ozj02.duckdns.org udp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29871 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29871 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29871 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29871 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29871 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29871 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29871 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29871 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29871 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29871 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29871 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29871 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29871 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29871 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29871 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29871 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29871 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29871 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29871 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29871 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29871 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 8.8.8.8:53 learfo55ozj01.duckdns.org udp
US 192.169.69.26:29871 learfo55ozj01.duckdns.org tcp
US 8.8.8.8:53 learfo55ozj01.duckdns.org udp
US 192.169.69.26:29872 learfo55ozj01.duckdns.org tcp
US 8.8.8.8:53 learfo55ozj02.duckdns.org udp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 8.8.8.8:53 learfo55ozj01.duckdns.org udp
US 192.169.69.26:29871 learfo55ozj01.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj01.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj01.duckdns.org tcp
US 192.169.69.26:29871 learfo55ozj01.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj01.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj01.duckdns.org tcp
US 192.169.69.26:29871 learfo55ozj01.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj01.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj01.duckdns.org tcp
US 192.169.69.26:29871 learfo55ozj01.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj01.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj01.duckdns.org tcp
US 192.169.69.26:29871 learfo55ozj01.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj01.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj01.duckdns.org tcp
US 192.169.69.26:29871 learfo55ozj01.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj01.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj01.duckdns.org tcp
US 192.169.69.26:29871 learfo55ozj01.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj01.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj01.duckdns.org tcp
US 192.169.69.26:29871 learfo55ozj01.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj01.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj01.duckdns.org tcp
US 192.169.69.26:29871 learfo55ozj01.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj01.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj01.duckdns.org tcp
US 192.169.69.26:29871 learfo55ozj01.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj01.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj01.duckdns.org tcp
US 192.169.69.26:29871 learfo55ozj01.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj01.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj01.duckdns.org tcp
US 192.169.69.26:29871 learfo55ozj01.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj01.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj01.duckdns.org tcp
US 192.169.69.26:29871 learfo55ozj01.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj01.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj01.duckdns.org tcp
US 192.169.69.26:29871 learfo55ozj01.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj01.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj01.duckdns.org tcp
US 192.169.69.26:29871 learfo55ozj01.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj01.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj01.duckdns.org tcp
US 192.169.69.26:29871 learfo55ozj01.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj01.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj01.duckdns.org tcp
US 192.169.69.26:29871 learfo55ozj01.duckdns.org tcp
US 192.169.69.26:29872 tcp

Files

\Users\Admin\AppData\Local\Temp\nstE7E0.tmp\System.dll

MD5 3f176d1ee13b0d7d6bd92e1c7a0b9bae
SHA1 fe582246792774c2c9dd15639ffa0aca90d6fd0b
SHA256 fa4ab1d6f79fd677433a31ada7806373a789d34328da46ccb0449bbf347bd73e
SHA512 0a69124819b7568d0dea4e9e85ce8fe61c7ba697c934e3a95e2dcfb9f252b1d9da7faf8774b6e8efd614885507acc94987733eba09a2f5e7098b774dfc8524b6

memory/2372-12-0x0000000077441000-0x0000000077542000-memory.dmp

memory/2372-13-0x0000000077440000-0x00000000775E9000-memory.dmp

memory/2912-14-0x0000000077440000-0x00000000775E9000-memory.dmp

memory/2912-37-0x00000000017D0000-0x0000000007222000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-10 01:17

Reported

2024-07-10 01:20

Platform

win10v2004-20240709-en

Max time kernel

150s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2e2b22d80e84945f3149e24fb08a874e5293d4fbbff6d7df7c941fb47be9b4ff.exe"

Signatures

Guloader,Cloudeye

downloader guloader

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-701583114-2636601053-947405450-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\Startup key = "C:\\Users\\Admin\\AppData\\Local\\Temp\\subfolder1\\Spektralanalyser.exe" C:\Program Files (x86)\windows mail\wab.exe N/A

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A drive.google.com N/A N/A
N/A drive.google.com N/A N/A

Suspicious use of NtCreateThreadExHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\windows mail\wab.exe N/A
N/A N/A C:\Program Files (x86)\windows mail\wab.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2e2b22d80e84945f3149e24fb08a874e5293d4fbbff6d7df7c941fb47be9b4ff.exe N/A
N/A N/A C:\Program Files (x86)\windows mail\wab.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 660 set thread context of 1668 N/A C:\Users\Admin\AppData\Local\Temp\2e2b22d80e84945f3149e24fb08a874e5293d4fbbff6d7df7c941fb47be9b4ff.exe C:\Program Files (x86)\windows mail\wab.exe

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\Fonts\Apokryfens\Byggrynene.ini C:\Users\Admin\AppData\Local\Temp\2e2b22d80e84945f3149e24fb08a874e5293d4fbbff6d7df7c941fb47be9b4ff.exe N/A

Enumerates physical storage devices

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2e2b22d80e84945f3149e24fb08a874e5293d4fbbff6d7df7c941fb47be9b4ff.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\windows mail\wab.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2e2b22d80e84945f3149e24fb08a874e5293d4fbbff6d7df7c941fb47be9b4ff.exe

"C:\Users\Admin\AppData\Local\Temp\2e2b22d80e84945f3149e24fb08a874e5293d4fbbff6d7df7c941fb47be9b4ff.exe"

C:\Program Files (x86)\windows mail\wab.exe

"C:\Users\Admin\AppData\Local\Temp\2e2b22d80e84945f3149e24fb08a874e5293d4fbbff6d7df7c941fb47be9b4ff.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 drive.google.com udp
GB 172.217.16.238:443 drive.google.com tcp
US 8.8.8.8:53 c.pki.goog udp
GB 216.58.201.99:80 c.pki.goog tcp
US 8.8.8.8:53 o.pki.goog udp
GB 216.58.201.99:80 o.pki.goog tcp
US 8.8.8.8:53 238.16.217.172.in-addr.arpa udp
US 8.8.8.8:53 99.201.58.216.in-addr.arpa udp
US 8.8.8.8:53 drive.usercontent.google.com udp
GB 216.58.201.97:443 drive.usercontent.google.com tcp
US 8.8.8.8:53 97.201.58.216.in-addr.arpa udp
US 8.8.8.8:53 learfo55ozj01.duckdns.org udp
US 192.169.69.26:29871 learfo55ozj01.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj01.duckdns.org tcp
US 8.8.8.8:53 learfo55ozj02.duckdns.org udp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 8.8.8.8:53 26.69.169.192.in-addr.arpa udp
US 192.169.69.26:29871 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29871 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29871 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29871 learfo55ozj02.duckdns.org tcp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29871 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29871 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29871 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 8.8.8.8:53 learfo55ozj01.duckdns.org udp
US 192.169.69.26:29871 learfo55ozj01.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj01.duckdns.org tcp
US 8.8.8.8:53 learfo55ozj02.duckdns.org udp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29871 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29871 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29871 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29871 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29871 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29871 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29871 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29871 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29871 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29871 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp
US 192.169.69.26:29872 learfo55ozj02.duckdns.org tcp

Files

C:\Users\Admin\AppData\Local\Temp\nsa884B.tmp\System.dll

MD5 3f176d1ee13b0d7d6bd92e1c7a0b9bae
SHA1 fe582246792774c2c9dd15639ffa0aca90d6fd0b
SHA256 fa4ab1d6f79fd677433a31ada7806373a789d34328da46ccb0449bbf347bd73e
SHA512 0a69124819b7568d0dea4e9e85ce8fe61c7ba697c934e3a95e2dcfb9f252b1d9da7faf8774b6e8efd614885507acc94987733eba09a2f5e7098b774dfc8524b6

memory/660-11-0x0000000077891000-0x00000000779B1000-memory.dmp

memory/660-12-0x0000000010004000-0x0000000010005000-memory.dmp

memory/1668-13-0x0000000077918000-0x0000000077919000-memory.dmp

memory/1668-14-0x0000000077891000-0x00000000779B1000-memory.dmp

memory/1668-28-0x0000000077891000-0x00000000779B1000-memory.dmp

memory/1668-31-0x0000000000AF4000-0x0000000000AF5000-memory.dmp

memory/1668-32-0x0000000000AC0000-0x0000000001D14000-memory.dmp

memory/1668-33-0x0000000000AC0000-0x0000000001D14000-memory.dmp

memory/1668-34-0x0000000000AC0000-0x0000000001D14000-memory.dmp

memory/1668-35-0x0000000000AC0000-0x0000000001D14000-memory.dmp

memory/1668-29-0x0000000001D20000-0x0000000007772000-memory.dmp

memory/1668-36-0x0000000000AC0000-0x0000000001D14000-memory.dmp

memory/1668-37-0x0000000000AC0000-0x0000000001D14000-memory.dmp

memory/1668-38-0x0000000000AC0000-0x0000000001D14000-memory.dmp

memory/1668-39-0x0000000000AC0000-0x0000000001D14000-memory.dmp

memory/1668-42-0x0000000000AC0000-0x0000000001D14000-memory.dmp

memory/1668-44-0x0000000000AC0000-0x0000000001D14000-memory.dmp

memory/1668-45-0x0000000000AC0000-0x0000000001D14000-memory.dmp

memory/1668-46-0x0000000000AC0000-0x0000000001D14000-memory.dmp

memory/1668-47-0x0000000000AC0000-0x0000000001D14000-memory.dmp

memory/1668-48-0x0000000000AC0000-0x0000000001D14000-memory.dmp

memory/1668-49-0x0000000000AC0000-0x0000000001D14000-memory.dmp

memory/1668-50-0x0000000000AC0000-0x0000000001D14000-memory.dmp

memory/1668-51-0x0000000000AC0000-0x0000000001D14000-memory.dmp

memory/1668-52-0x0000000000AC0000-0x0000000001D14000-memory.dmp

memory/1668-53-0x0000000000AC0000-0x0000000001D14000-memory.dmp

memory/1668-54-0x0000000000AC0000-0x0000000001D14000-memory.dmp

memory/1668-55-0x0000000000AC0000-0x0000000001D14000-memory.dmp

memory/1668-56-0x0000000000AC0000-0x0000000001D14000-memory.dmp

memory/1668-57-0x0000000000AC0000-0x0000000001D14000-memory.dmp

memory/1668-58-0x0000000000AC0000-0x0000000001D14000-memory.dmp

memory/1668-59-0x0000000000AC0000-0x0000000001D14000-memory.dmp

memory/1668-60-0x0000000000AC0000-0x0000000001D14000-memory.dmp

memory/1668-61-0x0000000000AC0000-0x0000000001D14000-memory.dmp

memory/1668-62-0x0000000000AC0000-0x0000000001D14000-memory.dmp

memory/1668-64-0x0000000000AC0000-0x0000000001D14000-memory.dmp

memory/1668-65-0x0000000000AC0000-0x0000000001D14000-memory.dmp

memory/1668-63-0x0000000000AC0000-0x0000000001D14000-memory.dmp

memory/1668-66-0x0000000000AC0000-0x0000000001D14000-memory.dmp

memory/1668-67-0x0000000000AC0000-0x0000000001D14000-memory.dmp

memory/1668-68-0x0000000000AC0000-0x0000000001D14000-memory.dmp

memory/1668-73-0x0000000077891000-0x00000000779B1000-memory.dmp

memory/1668-76-0x0000000000AC0000-0x0000000001D14000-memory.dmp

memory/1668-77-0x0000000000AC0000-0x0000000001D14000-memory.dmp

memory/1668-78-0x0000000000AC0000-0x0000000001D14000-memory.dmp

memory/1668-79-0x0000000000AC0000-0x0000000001D14000-memory.dmp

memory/1668-80-0x0000000000AC0000-0x0000000001D14000-memory.dmp

memory/1668-81-0x0000000000AC0000-0x0000000001D14000-memory.dmp

memory/1668-82-0x0000000000AC0000-0x0000000001D14000-memory.dmp

memory/1668-83-0x0000000000AC0000-0x0000000001D14000-memory.dmp

memory/1668-84-0x0000000000AC0000-0x0000000001D14000-memory.dmp

memory/1668-85-0x0000000000AC0000-0x0000000001D14000-memory.dmp

memory/1668-86-0x0000000000AC0000-0x0000000001D14000-memory.dmp

memory/1668-87-0x0000000000AC0000-0x0000000001D14000-memory.dmp

memory/1668-88-0x0000000000AC0000-0x0000000001D14000-memory.dmp

memory/1668-89-0x0000000000AC0000-0x0000000001D14000-memory.dmp

memory/1668-90-0x0000000000AC0000-0x0000000001D14000-memory.dmp

memory/1668-91-0x0000000000AC0000-0x0000000001D14000-memory.dmp

memory/1668-92-0x0000000000AC0000-0x0000000001D14000-memory.dmp

memory/1668-93-0x0000000000AC0000-0x0000000001D14000-memory.dmp

Analysis: behavioral3

Detonation Overview

Submitted

2024-07-10 01:17

Reported

2024-07-10 01:21

Platform

win7-20240704-en

Max time kernel

121s

Max time network

124s

Command Line

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

Signatures

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 2724 -s 224

Network

N/A

Files

N/A

Analysis: behavioral4

Detonation Overview

Submitted

2024-07-10 01:17

Reported

2024-07-10 01:20

Platform

win10v2004-20240709-en

Max time kernel

93s

Max time network

125s

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3136 wrote to memory of 4552 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3136 wrote to memory of 4552 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3136 wrote to memory of 4552 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 408 -p 4552 -ip 4552

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4552 -s 612

Network

Country Destination Domain Proto
US 8.8.8.8:53 64.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp

Files

N/A