Malware Analysis Report

2024-09-23 03:47

Sample ID 240527-hcmmdsbb8w
Target 2024-05-27_a3fdda6699341de4b5d9baa69d4128f9_avoslocker_magniber
SHA256 bf341af967eb41cec554c11507086e20a0313190c2543f73917f2ffbe38724a1
Tags
metasploit backdoor trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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

bf341af967eb41cec554c11507086e20a0313190c2543f73917f2ffbe38724a1

Threat Level: Known bad

The file 2024-05-27_a3fdda6699341de4b5d9baa69d4128f9_avoslocker_magniber was found to be: Known bad.

Malicious Activity Summary

metasploit backdoor trojan

MetaSploit

Blocklisted process makes network request

Enumerates connected drives

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

Suspicious behavior: GetForegroundWindowSpam

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-05-27 06:35

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-27 06:35

Reported

2024-05-27 06:38

Platform

win7-20240508-en

Max time kernel

118s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-05-27_a3fdda6699341de4b5d9baa69d4128f9_avoslocker_magniber.exe"

Signatures

MetaSploit

trojan backdoor metasploit

Blocklisted process makes network request

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

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\J: C:\Windows\SysWOW64\msiexec.exe N/A
File opened (read-only) \??\N: C:\Windows\SysWOW64\msiexec.exe N/A
File opened (read-only) \??\Y: C:\Windows\SysWOW64\msiexec.exe N/A
File opened (read-only) \??\Z: C:\Windows\SysWOW64\msiexec.exe N/A
File opened (read-only) \??\L: C:\Windows\SysWOW64\msiexec.exe N/A
File opened (read-only) \??\O: C:\Windows\SysWOW64\msiexec.exe N/A
File opened (read-only) \??\X: C:\Windows\SysWOW64\msiexec.exe N/A
File opened (read-only) \??\M: C:\Windows\SysWOW64\msiexec.exe N/A
File opened (read-only) \??\P: C:\Windows\SysWOW64\msiexec.exe N/A
File opened (read-only) \??\R: C:\Windows\SysWOW64\msiexec.exe N/A
File opened (read-only) \??\U: C:\Windows\SysWOW64\msiexec.exe N/A
File opened (read-only) \??\B: C:\Windows\SysWOW64\msiexec.exe N/A
File opened (read-only) \??\G: C:\Windows\SysWOW64\msiexec.exe N/A
File opened (read-only) \??\I: C:\Windows\SysWOW64\msiexec.exe N/A
File opened (read-only) \??\K: C:\Windows\SysWOW64\msiexec.exe N/A
File opened (read-only) \??\V: C:\Windows\SysWOW64\msiexec.exe N/A
File opened (read-only) \??\S: C:\Windows\SysWOW64\msiexec.exe N/A
File opened (read-only) \??\T: C:\Windows\SysWOW64\msiexec.exe N/A
File opened (read-only) \??\W: C:\Windows\SysWOW64\msiexec.exe N/A
File opened (read-only) \??\A: C:\Windows\SysWOW64\msiexec.exe N/A
File opened (read-only) \??\E: C:\Windows\SysWOW64\msiexec.exe N/A
File opened (read-only) \??\H: C:\Windows\SysWOW64\msiexec.exe N/A
File opened (read-only) \??\Q: C:\Windows\SysWOW64\msiexec.exe N/A

Suspicious behavior: GetForegroundWindowSpam

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeShutdownPrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A
Token: SeIncreaseQuotaPrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeCreateTokenPrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A
Token: SeAssignPrimaryTokenPrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A
Token: SeLockMemoryPrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A
Token: SeIncreaseQuotaPrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A
Token: SeMachineAccountPrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A
Token: SeTcbPrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A
Token: SeSystemtimePrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A
Token: SeCreatePermanentPrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A
Token: SeShutdownPrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A
Token: SeAuditPrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A
Token: SeChangeNotifyPrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A
Token: SeUndockPrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A
Token: SeSyncAgentPrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A
Token: SeEnableDelegationPrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A
Token: SeManageVolumePrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A
Token: SeImpersonatePrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A
Token: SeCreateGlobalPrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A

Suspicious use of FindShellTrayWindow

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

Processes

C:\Users\Admin\AppData\Local\Temp\2024-05-27_a3fdda6699341de4b5d9baa69d4128f9_avoslocker_magniber.exe

"C:\Users\Admin\AppData\Local\Temp\2024-05-27_a3fdda6699341de4b5d9baa69d4128f9_avoslocker_magniber.exe"

C:\Windows\SysWOW64\msiexec.exe

C:\Windows\system32\msiexec.exe /i C:\Users\Admin\AppData\Local\Temp\vnc64.msi ProductLanguage=1033

C:\Windows\system32\msiexec.exe

C:\Windows\system32\msiexec.exe /V

Network

Country Destination Domain Proto
N/A 192.168.56.110:4444 tcp

Files

memory/2020-1-0x0000000000240000-0x0000000000241000-memory.dmp

memory/2020-0-0x0000000000240000-0x0000000000241000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\vnc64.msi

MD5 44cfd2654bb131ad0a21dac08f63e4dc
SHA1 031988f54e2bfe3b240b18d7c187fe4bed1e489c
SHA256 c5ed8a534c4f9cc9ce44295b5741fb4ceafb70404b2f82db074bdbb9072db0d0
SHA512 0e6e67a3ab0a13ab21c45953753128fb554ae307f06d61c3c0902e9e3728f96a7e21fa016d1f988b6e61665600887e182d9e3a92ecadf5837b9387576b53e4d1

C:\Users\Admin\AppData\Local\Temp\Cab452D.tmp

MD5 29f65ba8e88c063813cc50a4ea544e93
SHA1 05a7040d5c127e68c25d81cc51271ffb8bef3568
SHA256 1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184
SHA512 e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

C:\Users\Admin\AppData\Local\Temp\Tar461A.tmp

MD5 435a9ac180383f9fa094131b173a2f7b
SHA1 76944ea657a9db94f9a4bef38f88c46ed4166983
SHA256 67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34
SHA512 1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-27 06:35

Reported

2024-05-27 06:38

Platform

win10v2004-20240426-en

Max time kernel

105s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-05-27_a3fdda6699341de4b5d9baa69d4128f9_avoslocker_magniber.exe"

Signatures

MetaSploit

trojan backdoor metasploit

Blocklisted process makes network request

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

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\A: C:\Windows\SysWOW64\msiexec.exe N/A
File opened (read-only) \??\H: C:\Windows\SysWOW64\msiexec.exe N/A
File opened (read-only) \??\Z: C:\Windows\SysWOW64\msiexec.exe N/A
File opened (read-only) \??\P: C:\Windows\SysWOW64\msiexec.exe N/A
File opened (read-only) \??\Q: C:\Windows\SysWOW64\msiexec.exe N/A
File opened (read-only) \??\T: C:\Windows\SysWOW64\msiexec.exe N/A
File opened (read-only) \??\Y: C:\Windows\SysWOW64\msiexec.exe N/A
File opened (read-only) \??\K: C:\Windows\SysWOW64\msiexec.exe N/A
File opened (read-only) \??\L: C:\Windows\SysWOW64\msiexec.exe N/A
File opened (read-only) \??\M: C:\Windows\SysWOW64\msiexec.exe N/A
File opened (read-only) \??\S: C:\Windows\SysWOW64\msiexec.exe N/A
File opened (read-only) \??\W: C:\Windows\SysWOW64\msiexec.exe N/A
File opened (read-only) \??\X: C:\Windows\SysWOW64\msiexec.exe N/A
File opened (read-only) \??\B: C:\Windows\SysWOW64\msiexec.exe N/A
File opened (read-only) \??\O: C:\Windows\SysWOW64\msiexec.exe N/A
File opened (read-only) \??\R: C:\Windows\SysWOW64\msiexec.exe N/A
File opened (read-only) \??\J: C:\Windows\SysWOW64\msiexec.exe N/A
File opened (read-only) \??\N: C:\Windows\SysWOW64\msiexec.exe N/A
File opened (read-only) \??\U: C:\Windows\SysWOW64\msiexec.exe N/A
File opened (read-only) \??\V: C:\Windows\SysWOW64\msiexec.exe N/A
File opened (read-only) \??\E: C:\Windows\SysWOW64\msiexec.exe N/A
File opened (read-only) \??\G: C:\Windows\SysWOW64\msiexec.exe N/A
File opened (read-only) \??\I: C:\Windows\SysWOW64\msiexec.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeShutdownPrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A
Token: SeIncreaseQuotaPrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\system32\msiexec.exe N/A
Token: SeCreateTokenPrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A
Token: SeAssignPrimaryTokenPrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A
Token: SeLockMemoryPrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A
Token: SeIncreaseQuotaPrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A
Token: SeMachineAccountPrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A
Token: SeTcbPrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A
Token: SeSystemtimePrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A
Token: SeCreatePermanentPrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A
Token: SeShutdownPrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A
Token: SeAuditPrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A
Token: SeChangeNotifyPrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A
Token: SeUndockPrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A
Token: SeSyncAgentPrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A
Token: SeEnableDelegationPrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A
Token: SeManageVolumePrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A
Token: SeImpersonatePrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A
Token: SeCreateGlobalPrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A

Suspicious use of FindShellTrayWindow

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

Processes

C:\Users\Admin\AppData\Local\Temp\2024-05-27_a3fdda6699341de4b5d9baa69d4128f9_avoslocker_magniber.exe

"C:\Users\Admin\AppData\Local\Temp\2024-05-27_a3fdda6699341de4b5d9baa69d4128f9_avoslocker_magniber.exe"

C:\Windows\SysWOW64\msiexec.exe

C:\Windows\system32\msiexec.exe /i C:\Users\Admin\AppData\Local\Temp\vnc64.msi ProductLanguage=1033

C:\Windows\system32\msiexec.exe

C:\Windows\system32\msiexec.exe /V

Network

Country Destination Domain Proto
N/A 192.168.56.110:4444 tcp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 203.107.17.2.in-addr.arpa udp

Files

memory/2856-0-0x0000000001140000-0x0000000001141000-memory.dmp

memory/2856-1-0x0000000001140000-0x0000000001141000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\vnc64.msi

MD5 44cfd2654bb131ad0a21dac08f63e4dc
SHA1 031988f54e2bfe3b240b18d7c187fe4bed1e489c
SHA256 c5ed8a534c4f9cc9ce44295b5741fb4ceafb70404b2f82db074bdbb9072db0d0
SHA512 0e6e67a3ab0a13ab21c45953753128fb554ae307f06d61c3c0902e9e3728f96a7e21fa016d1f988b6e61665600887e182d9e3a92ecadf5837b9387576b53e4d1