Malware Analysis Report

2024-12-06 03:12

Sample ID 241121-nqlj5swnak
Target APPENDIXFORM_N45013-20241120.com.exe
SHA256 e721952c765bb39555f2aa9f2141649fe2c1f2700224513c2860c8a7e25d2260
Tags
guloader remcos remotehost collection discovery downloader rat spyware stealer
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

e721952c765bb39555f2aa9f2141649fe2c1f2700224513c2860c8a7e25d2260

Threat Level: Known bad

The file APPENDIXFORM_N45013-20241120.com.exe was found to be: Known bad.

Malicious Activity Summary

guloader remcos remotehost collection discovery downloader rat spyware stealer

Remcos

Guloader family

Guloader,Cloudeye

Remcos family

Detected Nirsoft tools

NirSoft MailPassView

NirSoft WebBrowserPassView

Reads user/profile data of web browsers

Loads dropped DLL

Accesses Microsoft Outlook accounts

Suspicious use of SetThreadContext

Suspicious use of NtSetInformationThreadHideFromDebugger

Suspicious use of NtCreateThreadExHideFromDebugger

Drops file in Windows directory

Drops file in Program Files directory

Enumerates physical storage devices

Program crash

Unsigned PE

System Location Discovery: System Language Discovery

NSIS installer

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: MapViewOfSection

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-21 11:36

Signatures

Unsigned PE

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

2024-11-21 11:36

Reported

2024-11-21 11:38

Platform

win7-20241023-en

Max time kernel

150s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe"

Signatures

Guloader family

guloader

Guloader,Cloudeye

downloader guloader

Remcos

rat remcos

Remcos family

remcos

Detected Nirsoft tools

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
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

NirSoft MailPassView

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

NirSoft WebBrowserPassView

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

Reads user/profile data of web browsers

spyware stealer

Accesses Microsoft Outlook accounts

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe N/A

Suspicious use of NtCreateThreadExHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File opened for modification C:\Program Files (x86)\Common Files\Separable80\Redegjortes184.Dis C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe N/A
File opened for modification C:\Program Files (x86)\Common Files\fiksersaltenes\cubmaster.ini C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe N/A
File opened for modification C:\Program Files (x86)\Common Files\situationer.ini C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\Millet20.ton C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe N/A
File opened for modification C:\Windows\honduras.Ski C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe N/A

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\APPENDIXFORM_N45013-20241120.com.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1972 wrote to memory of 1584 N/A C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe
PID 1972 wrote to memory of 1584 N/A C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe
PID 1972 wrote to memory of 1584 N/A C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe
PID 1972 wrote to memory of 1584 N/A C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe
PID 1972 wrote to memory of 1584 N/A C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe
PID 1972 wrote to memory of 1584 N/A C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe
PID 1584 wrote to memory of 1640 N/A C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe
PID 1584 wrote to memory of 1640 N/A C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe
PID 1584 wrote to memory of 1640 N/A C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe
PID 1584 wrote to memory of 1640 N/A C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe
PID 1584 wrote to memory of 1528 N/A C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe
PID 1584 wrote to memory of 1528 N/A C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe
PID 1584 wrote to memory of 1528 N/A C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe
PID 1584 wrote to memory of 1528 N/A C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe
PID 1584 wrote to memory of 1792 N/A C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe
PID 1584 wrote to memory of 1792 N/A C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe
PID 1584 wrote to memory of 1792 N/A C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe
PID 1584 wrote to memory of 1792 N/A C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe

Processes

C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe

"C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe"

C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe

"C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe"

C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe

C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe /stext "C:\Users\Admin\AppData\Local\Temp\yyskxygsnxvcdwdnwytjt"

C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe

C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe /stext "C:\Users\Admin\AppData\Local\Temp\jtfdyrrmbfnpndrrnjncwpld"

C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe

C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe /stext "C:\Users\Admin\AppData\Local\Temp\tvlvyjcnpnfuprfdxuaehugmxndb"

Network

Country Destination Domain Proto
US 45.133.158.36:80 45.133.158.36 tcp
US 45.133.158.36:11371 tcp
US 45.133.158.36:11371 tcp
US 8.8.8.8:53 geoplugin.net udp
NL 178.237.33.50:80 geoplugin.net tcp

Files

\Users\Admin\AppData\Local\Temp\nsjC277.tmp\System.dll

MD5 960a5c48e25cf2bca332e74e11d825c9
SHA1 da35c6816ace5daf4c6c1d57b93b09a82ecdc876
SHA256 484f8e9f194ed9016274ef3672b2c52ed5f574fb71d3884edf3c222b758a75a2
SHA512 cc450179e2d0d56aee2ccf8163d3882978c4e9c1aa3d3a95875fe9ba9831e07ddfd377111dc67f801fa53b6f468a418f086f1de7c71e0a5b634e1ae2a67cd3da

memory/1972-18-0x0000000003500000-0x00000000045FE000-memory.dmp

memory/1972-20-0x0000000076FC0000-0x0000000077169000-memory.dmp

memory/1972-19-0x0000000076FC1000-0x00000000770C2000-memory.dmp

memory/1972-21-0x0000000003500000-0x00000000045FE000-memory.dmp

memory/1972-22-0x0000000003500000-0x00000000045FE000-memory.dmp

memory/1584-23-0x0000000076FC0000-0x0000000077169000-memory.dmp

memory/1584-25-0x0000000000450000-0x00000000014B2000-memory.dmp

memory/1584-29-0x0000000000450000-0x00000000014B2000-memory.dmp

memory/1528-31-0x0000000000400000-0x0000000000462000-memory.dmp

memory/1640-32-0x0000000000400000-0x0000000000478000-memory.dmp

memory/1640-35-0x0000000000400000-0x0000000000478000-memory.dmp

memory/1792-41-0x0000000000400000-0x0000000000424000-memory.dmp

memory/1640-39-0x0000000076FC0000-0x0000000077169000-memory.dmp

memory/1528-38-0x0000000000400000-0x0000000000462000-memory.dmp

memory/1640-37-0x0000000000400000-0x0000000000478000-memory.dmp

memory/1528-36-0x0000000000400000-0x0000000000462000-memory.dmp

memory/1528-34-0x0000000000400000-0x0000000000462000-memory.dmp

memory/1640-33-0x0000000000400000-0x0000000000478000-memory.dmp

memory/1792-43-0x0000000000400000-0x0000000000424000-memory.dmp

memory/1792-46-0x0000000000400000-0x0000000000424000-memory.dmp

memory/1792-42-0x0000000000400000-0x0000000000424000-memory.dmp

memory/1640-51-0x0000000000400000-0x0000000000478000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\yyskxygsnxvcdwdnwytjt

MD5 f3b25701fe362ec84616a93a45ce9998
SHA1 d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256 b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA512 98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

memory/1528-54-0x0000000000400000-0x0000000000462000-memory.dmp

memory/1584-56-0x0000000032090000-0x00000000320A9000-memory.dmp

memory/1584-60-0x0000000032090000-0x00000000320A9000-memory.dmp

memory/1584-59-0x0000000032090000-0x00000000320A9000-memory.dmp

memory/1584-61-0x0000000000450000-0x00000000014B2000-memory.dmp

memory/1584-62-0x0000000000450000-0x00000000014B2000-memory.dmp

memory/1584-63-0x0000000000450000-0x00000000014B2000-memory.dmp

memory/1584-64-0x0000000000450000-0x00000000014B2000-memory.dmp

memory/1584-65-0x0000000000450000-0x00000000014B2000-memory.dmp

memory/1584-66-0x0000000000450000-0x00000000014B2000-memory.dmp

memory/1584-67-0x0000000000450000-0x00000000014B2000-memory.dmp

memory/1584-68-0x0000000000450000-0x00000000014B2000-memory.dmp

memory/1584-69-0x0000000000450000-0x00000000014B2000-memory.dmp

memory/1584-70-0x0000000000450000-0x00000000014B2000-memory.dmp

memory/1584-71-0x0000000000450000-0x00000000014B2000-memory.dmp

memory/1584-72-0x0000000000450000-0x00000000014B2000-memory.dmp

memory/1584-73-0x0000000000450000-0x00000000014B2000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-21 11:36

Reported

2024-11-21 11:38

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe"

Signatures

Guloader family

guloader

Guloader,Cloudeye

downloader guloader

Remcos

rat remcos

Remcos family

remcos

Detected Nirsoft tools

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
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

NirSoft MailPassView

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

NirSoft WebBrowserPassView

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

Reads user/profile data of web browsers

spyware stealer

Accesses Microsoft Outlook accounts

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe N/A

Suspicious use of NtCreateThreadExHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File opened for modification C:\Program Files (x86)\Common Files\Separable80\Redegjortes184.Dis C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe N/A
File opened for modification C:\Program Files (x86)\Common Files\fiksersaltenes\cubmaster.ini C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe N/A
File opened for modification C:\Program Files (x86)\Common Files\situationer.ini C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\Millet20.ton C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe N/A
File opened for modification C:\Windows\honduras.Ski C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe N/A

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\APPENDIXFORM_N45013-20241120.com.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2896 wrote to memory of 4332 N/A C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe
PID 2896 wrote to memory of 4332 N/A C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe
PID 2896 wrote to memory of 4332 N/A C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe
PID 2896 wrote to memory of 4332 N/A C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe
PID 2896 wrote to memory of 4332 N/A C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe
PID 4332 wrote to memory of 512 N/A C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe
PID 4332 wrote to memory of 512 N/A C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe
PID 4332 wrote to memory of 512 N/A C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe
PID 4332 wrote to memory of 4392 N/A C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe
PID 4332 wrote to memory of 4392 N/A C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe
PID 4332 wrote to memory of 4392 N/A C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe
PID 4332 wrote to memory of 1588 N/A C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe
PID 4332 wrote to memory of 1588 N/A C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe
PID 4332 wrote to memory of 1588 N/A C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe

Processes

C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe

"C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe"

C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe

"C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe"

C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe

C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe /stext "C:\Users\Admin\AppData\Local\Temp\poyl"

C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe

C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe /stext "C:\Users\Admin\AppData\Local\Temp\zildnmy"

C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe

C:\Users\Admin\AppData\Local\Temp\APPENDIXFORM_N45013-20241120.com.exe /stext "C:\Users\Admin\AppData\Local\Temp\ckrwoejmxzr"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 45.133.158.36:80 45.133.158.36 tcp
US 45.133.158.36:11371 tcp
US 8.8.8.8:53 36.158.133.45.in-addr.arpa udp
US 8.8.8.8:53 geoplugin.net udp
NL 178.237.33.50:80 geoplugin.net tcp
US 45.133.158.36:11371 tcp
US 8.8.8.8:53 50.33.237.178.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 104.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 16.24.18.2.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

C:\Users\Admin\AppData\Local\Temp\nsq93D6.tmp\System.dll

MD5 960a5c48e25cf2bca332e74e11d825c9
SHA1 da35c6816ace5daf4c6c1d57b93b09a82ecdc876
SHA256 484f8e9f194ed9016274ef3672b2c52ed5f574fb71d3884edf3c222b758a75a2
SHA512 cc450179e2d0d56aee2ccf8163d3882978c4e9c1aa3d3a95875fe9ba9831e07ddfd377111dc67f801fa53b6f468a418f086f1de7c71e0a5b634e1ae2a67cd3da

memory/2896-18-0x00000000031E0000-0x00000000042DE000-memory.dmp

memory/2896-19-0x0000000077681000-0x00000000777A1000-memory.dmp

memory/2896-20-0x0000000010004000-0x0000000010005000-memory.dmp

memory/2896-21-0x00000000031E0000-0x00000000042DE000-memory.dmp

memory/4332-22-0x00000000016B0000-0x00000000027AE000-memory.dmp

memory/4332-23-0x0000000077708000-0x0000000077709000-memory.dmp

memory/4332-24-0x0000000077725000-0x0000000077726000-memory.dmp

memory/4332-25-0x0000000000450000-0x00000000016A4000-memory.dmp

memory/4332-30-0x0000000077681000-0x00000000777A1000-memory.dmp

memory/4332-29-0x00000000016B0000-0x00000000027AE000-memory.dmp

memory/4392-35-0x0000000000400000-0x0000000000462000-memory.dmp

memory/512-32-0x0000000000400000-0x0000000000478000-memory.dmp

memory/512-41-0x0000000000400000-0x0000000000478000-memory.dmp

memory/512-47-0x0000000000400000-0x0000000000478000-memory.dmp

memory/4392-50-0x0000000000400000-0x0000000000462000-memory.dmp

memory/4392-53-0x0000000000400000-0x0000000000462000-memory.dmp

memory/4392-52-0x0000000000400000-0x0000000000462000-memory.dmp

memory/4332-34-0x0000000000450000-0x00000000016A4000-memory.dmp

memory/1588-46-0x0000000000400000-0x0000000000424000-memory.dmp

memory/4392-49-0x0000000000400000-0x0000000000462000-memory.dmp

memory/1588-40-0x0000000000400000-0x0000000000424000-memory.dmp

memory/1588-39-0x0000000000400000-0x0000000000424000-memory.dmp

memory/1588-38-0x0000000000400000-0x0000000000424000-memory.dmp

memory/512-37-0x0000000000400000-0x0000000000478000-memory.dmp

memory/512-56-0x0000000000400000-0x0000000000478000-memory.dmp

memory/4332-59-0x00000000333D0000-0x00000000333E9000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\poyl

MD5 c3c5f2de99b7486f697634681e21bab0
SHA1 00f90d495c0b2b63fde6532e033fdd2ade25633d
SHA256 76296dc29f718988107d35d0e0b835c2bf3fc7405e79e5121aa4738f82b51582
SHA512 7c60ffdc093de30e793d20768877f2f586bee3e948767871f9a1139252d5d2f593ba6f88ce0ed5f72c79faddb26186792df0581e4b6c84d405c44d9d12f951b8

memory/4332-63-0x00000000333D0000-0x00000000333E9000-memory.dmp

memory/4332-62-0x00000000333D0000-0x00000000333E9000-memory.dmp

memory/4332-64-0x0000000000450000-0x00000000016A4000-memory.dmp

memory/4332-65-0x0000000000450000-0x00000000016A4000-memory.dmp

memory/4332-66-0x0000000000450000-0x00000000016A4000-memory.dmp

memory/4332-67-0x0000000000450000-0x00000000016A4000-memory.dmp

memory/4332-68-0x0000000000450000-0x00000000016A4000-memory.dmp

memory/4332-69-0x0000000000450000-0x00000000016A4000-memory.dmp

memory/4332-70-0x0000000000450000-0x00000000016A4000-memory.dmp

memory/4332-71-0x0000000000450000-0x00000000016A4000-memory.dmp

memory/4332-72-0x0000000000450000-0x00000000016A4000-memory.dmp

memory/4332-74-0x0000000000450000-0x00000000016A4000-memory.dmp

memory/4332-75-0x0000000000450000-0x00000000016A4000-memory.dmp

memory/4332-76-0x0000000000450000-0x00000000016A4000-memory.dmp

Analysis: behavioral3

Detonation Overview

Submitted

2024-11-21 11:36

Reported

2024-11-21 11:38

Platform

win7-20240729-en

Max time kernel

15s

Max time network

16s

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 2628 -s 224

Network

N/A

Files

N/A

Analysis: behavioral4

Detonation Overview

Submitted

2024-11-21 11:36

Reported

2024-11-21 11:38

Platform

win10v2004-20241007-en

Max time kernel

93s

Max time network

136s

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 2124 wrote to memory of 3892 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2124 wrote to memory of 3892 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2124 wrote to memory of 3892 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 3892 -ip 3892

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3892 -s 612

Network

Country Destination Domain Proto
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 41.110.86.104.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp

Files

N/A