Malware Analysis Report

2024-11-16 15:41

Sample ID 240606-e7jmfahf64
Target c4567e7e3eb80d54cf996c5d082907395e9106a17ede4cc43026b113893017a7
SHA256 c4567e7e3eb80d54cf996c5d082907395e9106a17ede4cc43026b113893017a7
Tags
blackmoon
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

c4567e7e3eb80d54cf996c5d082907395e9106a17ede4cc43026b113893017a7

Threat Level: Known bad

The file c4567e7e3eb80d54cf996c5d082907395e9106a17ede4cc43026b113893017a7 was found to be: Known bad.

Malicious Activity Summary

blackmoon

Detect Blackmoon payload

Blackmoon family

Unsigned PE

Modifies registry class

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-06 04:36

Signatures

Blackmoon family

blackmoon

Detect Blackmoon payload

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-06 04:34

Reported

2024-06-06 04:47

Platform

win7-20240221-en

Max time kernel

117s

Max time network

123s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\c4567e7e3eb80d54cf996c5d082907395e9106a17ede4cc43026b113893017a7.dll

Signatures

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{25E609E5-B259-11CF-BFC7-444553540000}\InProcServer32 C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{25E609E4-B259-11CF-BFC7-444553540000} C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{25E609E4-B259-11CF-BFC7-444553540000}\InProcServer32 C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{25E609E5-B259-11CF-BFC7-444553540000} C:\Windows\SysWOW64\regsvr32.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\regsvr32.exe N/A
N/A N/A C:\Windows\SysWOW64\regsvr32.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: 1 N/A C:\Windows\SysWOW64\regsvr32.exe N/A
Token: SeCreateTokenPrivilege N/A C:\Windows\SysWOW64\regsvr32.exe N/A
Token: SeAssignPrimaryTokenPrivilege N/A C:\Windows\SysWOW64\regsvr32.exe N/A
Token: SeLockMemoryPrivilege N/A C:\Windows\SysWOW64\regsvr32.exe N/A
Token: SeIncreaseQuotaPrivilege N/A C:\Windows\SysWOW64\regsvr32.exe N/A
Token: SeMachineAccountPrivilege N/A C:\Windows\SysWOW64\regsvr32.exe N/A
Token: SeTcbPrivilege N/A C:\Windows\SysWOW64\regsvr32.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\SysWOW64\regsvr32.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\SysWOW64\regsvr32.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Windows\SysWOW64\regsvr32.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Windows\SysWOW64\regsvr32.exe N/A
Token: SeSystemtimePrivilege N/A C:\Windows\SysWOW64\regsvr32.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Windows\SysWOW64\regsvr32.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\SysWOW64\regsvr32.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\SysWOW64\regsvr32.exe N/A
Token: SeCreatePermanentPrivilege N/A C:\Windows\SysWOW64\regsvr32.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\SysWOW64\regsvr32.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\SysWOW64\regsvr32.exe N/A
Token: SeShutdownPrivilege N/A C:\Windows\SysWOW64\regsvr32.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\regsvr32.exe N/A
Token: SeAuditPrivilege N/A C:\Windows\SysWOW64\regsvr32.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Windows\SysWOW64\regsvr32.exe N/A
Token: SeChangeNotifyPrivilege N/A C:\Windows\SysWOW64\regsvr32.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Windows\SysWOW64\regsvr32.exe N/A
Token: SeUndockPrivilege N/A C:\Windows\SysWOW64\regsvr32.exe N/A
Token: SeSyncAgentPrivilege N/A C:\Windows\SysWOW64\regsvr32.exe N/A
Token: SeEnableDelegationPrivilege N/A C:\Windows\SysWOW64\regsvr32.exe N/A
Token: SeManageVolumePrivilege N/A C:\Windows\SysWOW64\regsvr32.exe N/A
Token: SeImpersonatePrivilege N/A C:\Windows\SysWOW64\regsvr32.exe N/A
Token: SeCreateGlobalPrivilege N/A C:\Windows\SysWOW64\regsvr32.exe N/A
Token: 31 N/A C:\Windows\SysWOW64\regsvr32.exe N/A
Token: 32 N/A C:\Windows\SysWOW64\regsvr32.exe N/A
Token: 33 N/A C:\Windows\SysWOW64\regsvr32.exe N/A
Token: 34 N/A C:\Windows\SysWOW64\regsvr32.exe N/A
Token: 35 N/A C:\Windows\SysWOW64\regsvr32.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\regsvr32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2068 wrote to memory of 1252 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2068 wrote to memory of 1252 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2068 wrote to memory of 1252 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2068 wrote to memory of 1252 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2068 wrote to memory of 1252 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2068 wrote to memory of 1252 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2068 wrote to memory of 1252 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe

Processes

C:\Windows\system32\regsvr32.exe

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\c4567e7e3eb80d54cf996c5d082907395e9106a17ede4cc43026b113893017a7.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\c4567e7e3eb80d54cf996c5d082907395e9106a17ede4cc43026b113893017a7.dll

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-06 04:34

Reported

2024-06-06 04:47

Platform

win10v2004-20240226-en

Max time kernel

140s

Max time network

168s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\c4567e7e3eb80d54cf996c5d082907395e9106a17ede4cc43026b113893017a7.dll

Signatures

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{25E609E5-B259-11CF-BFC7-444553540000} C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{25E609E5-B259-11CF-BFC7-444553540000}\InProcServer32 C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{25E609E4-B259-11CF-BFC7-444553540000} C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{25E609E4-B259-11CF-BFC7-444553540000}\InProcServer32 C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node C:\Windows\SysWOW64\regsvr32.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\regsvr32.exe N/A
N/A N/A C:\Windows\SysWOW64\regsvr32.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: 1 N/A C:\Windows\SysWOW64\regsvr32.exe N/A
Token: SeCreateTokenPrivilege N/A C:\Windows\SysWOW64\regsvr32.exe N/A
Token: SeAssignPrimaryTokenPrivilege N/A C:\Windows\SysWOW64\regsvr32.exe N/A
Token: SeLockMemoryPrivilege N/A C:\Windows\SysWOW64\regsvr32.exe N/A
Token: SeIncreaseQuotaPrivilege N/A C:\Windows\SysWOW64\regsvr32.exe N/A
Token: SeMachineAccountPrivilege N/A C:\Windows\SysWOW64\regsvr32.exe N/A
Token: SeTcbPrivilege N/A C:\Windows\SysWOW64\regsvr32.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\SysWOW64\regsvr32.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\SysWOW64\regsvr32.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Windows\SysWOW64\regsvr32.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Windows\SysWOW64\regsvr32.exe N/A
Token: SeSystemtimePrivilege N/A C:\Windows\SysWOW64\regsvr32.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Windows\SysWOW64\regsvr32.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\SysWOW64\regsvr32.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\SysWOW64\regsvr32.exe N/A
Token: SeCreatePermanentPrivilege N/A C:\Windows\SysWOW64\regsvr32.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\SysWOW64\regsvr32.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\SysWOW64\regsvr32.exe N/A
Token: SeShutdownPrivilege N/A C:\Windows\SysWOW64\regsvr32.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\regsvr32.exe N/A
Token: SeAuditPrivilege N/A C:\Windows\SysWOW64\regsvr32.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Windows\SysWOW64\regsvr32.exe N/A
Token: SeChangeNotifyPrivilege N/A C:\Windows\SysWOW64\regsvr32.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Windows\SysWOW64\regsvr32.exe N/A
Token: SeUndockPrivilege N/A C:\Windows\SysWOW64\regsvr32.exe N/A
Token: SeSyncAgentPrivilege N/A C:\Windows\SysWOW64\regsvr32.exe N/A
Token: SeEnableDelegationPrivilege N/A C:\Windows\SysWOW64\regsvr32.exe N/A
Token: SeManageVolumePrivilege N/A C:\Windows\SysWOW64\regsvr32.exe N/A
Token: SeImpersonatePrivilege N/A C:\Windows\SysWOW64\regsvr32.exe N/A
Token: SeCreateGlobalPrivilege N/A C:\Windows\SysWOW64\regsvr32.exe N/A
Token: 31 N/A C:\Windows\SysWOW64\regsvr32.exe N/A
Token: 32 N/A C:\Windows\SysWOW64\regsvr32.exe N/A
Token: 33 N/A C:\Windows\SysWOW64\regsvr32.exe N/A
Token: 34 N/A C:\Windows\SysWOW64\regsvr32.exe N/A
Token: 35 N/A C:\Windows\SysWOW64\regsvr32.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\regsvr32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4908 wrote to memory of 4480 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 4908 wrote to memory of 4480 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 4908 wrote to memory of 4480 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe

Processes

C:\Windows\system32\regsvr32.exe

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\c4567e7e3eb80d54cf996c5d082907395e9106a17ede4cc43026b113893017a7.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\c4567e7e3eb80d54cf996c5d082907395e9106a17ede4cc43026b113893017a7.dll

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4156 --field-trial-handle=2264,i,15001568551143786084,90255922961447677,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 13.107.246.64:443 tcp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.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 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 214.143.182.52.in-addr.arpa udp

Files

N/A