Malware Analysis Report

2024-10-23 20:08

Sample ID 240810-wepresvarg
Target BlackMail.exe
SHA256 52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5
Tags
guest16 darkcomet discovery evasion persistence rat trojan
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 Overview

score
10/10

SHA256

52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5

Threat Level: Known bad

The file BlackMail.exe was found to be: Known bad.

Malicious Activity Summary

guest16 darkcomet discovery evasion persistence rat trojan

Modifies security service

Darkcomet

Windows security bypass

Darkcomet family

Modifies WinLogon for persistence

Sets file to hidden

Windows security modification

Checks computer location settings

Executes dropped EXE

Loads dropped DLL

Adds Run key to start application

Unsigned PE

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Views/modifies file attributes

Modifies registry class

System policy modification

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-10 17:50

Signatures

Darkcomet family

darkcomet

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-10 17:50

Reported

2024-08-10 17:52

Platform

win7-20240708-en

Max time kernel

150s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\BlackMail.exe"

Signatures

Darkcomet

trojan rat darkcomet

Modifies WinLogon for persistence

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" C:\Users\Admin\AppData\Local\Temp\BlackMail.exe N/A

Modifies security service

evasion
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4" C:\Users\Admin\Documents\MSDCSC\msdcsc.exe N/A

Windows security bypass

evasion trojan
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" C:\Users\Admin\Documents\MSDCSC\msdcsc.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" C:\Users\Admin\Documents\MSDCSC\msdcsc.exe N/A

Sets file to hidden

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

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe N/A

Loads dropped DLL

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

Windows security modification

evasion trojan
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" C:\Users\Admin\Documents\MSDCSC\msdcsc.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" C:\Users\Admin\Documents\MSDCSC\msdcsc.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" C:\Users\Admin\AppData\Local\Temp\BlackMail.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" C:\Users\Admin\Documents\MSDCSC\msdcsc.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\Documents\MSDCSC\msdcsc.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\notepad.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\BlackMail.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\attrib.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\attrib.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeIncreaseQuotaPrivilege N/A C:\Users\Admin\AppData\Local\Temp\BlackMail.exe N/A
Token: SeSecurityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\BlackMail.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Users\Admin\AppData\Local\Temp\BlackMail.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Users\Admin\AppData\Local\Temp\BlackMail.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Users\Admin\AppData\Local\Temp\BlackMail.exe N/A
Token: SeSystemtimePrivilege N/A C:\Users\Admin\AppData\Local\Temp\BlackMail.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Users\Admin\AppData\Local\Temp\BlackMail.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\BlackMail.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Users\Admin\AppData\Local\Temp\BlackMail.exe N/A
Token: SeBackupPrivilege N/A C:\Users\Admin\AppData\Local\Temp\BlackMail.exe N/A
Token: SeRestorePrivilege N/A C:\Users\Admin\AppData\Local\Temp\BlackMail.exe N/A
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\BlackMail.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\BlackMail.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Users\Admin\AppData\Local\Temp\BlackMail.exe N/A
Token: SeChangeNotifyPrivilege N/A C:\Users\Admin\AppData\Local\Temp\BlackMail.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\BlackMail.exe N/A
Token: SeUndockPrivilege N/A C:\Users\Admin\AppData\Local\Temp\BlackMail.exe N/A
Token: SeManageVolumePrivilege N/A C:\Users\Admin\AppData\Local\Temp\BlackMail.exe N/A
Token: SeImpersonatePrivilege N/A C:\Users\Admin\AppData\Local\Temp\BlackMail.exe N/A
Token: SeCreateGlobalPrivilege N/A C:\Users\Admin\AppData\Local\Temp\BlackMail.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\BlackMail.exe N/A
Token: 34 N/A C:\Users\Admin\AppData\Local\Temp\BlackMail.exe N/A
Token: 35 N/A C:\Users\Admin\AppData\Local\Temp\BlackMail.exe N/A
Token: SeIncreaseQuotaPrivilege N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe N/A
Token: SeSecurityPrivilege N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe N/A
Token: SeSystemtimePrivilege N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe N/A
Token: SeBackupPrivilege N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe N/A
Token: SeRestorePrivilege N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe N/A
Token: SeShutdownPrivilege N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe N/A
Token: SeChangeNotifyPrivilege N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe N/A
Token: SeUndockPrivilege N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe N/A
Token: SeManageVolumePrivilege N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe N/A
Token: SeImpersonatePrivilege N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe N/A
Token: SeCreateGlobalPrivilege N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe N/A
Token: 33 N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe N/A
Token: 34 N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe N/A
Token: 35 N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2660 wrote to memory of 2960 N/A C:\Users\Admin\AppData\Local\Temp\BlackMail.exe C:\Windows\SysWOW64\cmd.exe
PID 2660 wrote to memory of 2960 N/A C:\Users\Admin\AppData\Local\Temp\BlackMail.exe C:\Windows\SysWOW64\cmd.exe
PID 2660 wrote to memory of 2960 N/A C:\Users\Admin\AppData\Local\Temp\BlackMail.exe C:\Windows\SysWOW64\cmd.exe
PID 2660 wrote to memory of 2960 N/A C:\Users\Admin\AppData\Local\Temp\BlackMail.exe C:\Windows\SysWOW64\cmd.exe
PID 2660 wrote to memory of 2708 N/A C:\Users\Admin\AppData\Local\Temp\BlackMail.exe C:\Windows\SysWOW64\cmd.exe
PID 2660 wrote to memory of 2708 N/A C:\Users\Admin\AppData\Local\Temp\BlackMail.exe C:\Windows\SysWOW64\cmd.exe
PID 2660 wrote to memory of 2708 N/A C:\Users\Admin\AppData\Local\Temp\BlackMail.exe C:\Windows\SysWOW64\cmd.exe
PID 2660 wrote to memory of 2708 N/A C:\Users\Admin\AppData\Local\Temp\BlackMail.exe C:\Windows\SysWOW64\cmd.exe
PID 2960 wrote to memory of 2592 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\attrib.exe
PID 2960 wrote to memory of 2592 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\attrib.exe
PID 2960 wrote to memory of 2592 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\attrib.exe
PID 2960 wrote to memory of 2592 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\attrib.exe
PID 2708 wrote to memory of 2808 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\attrib.exe
PID 2708 wrote to memory of 2808 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\attrib.exe
PID 2708 wrote to memory of 2808 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\attrib.exe
PID 2708 wrote to memory of 2808 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\attrib.exe
PID 2660 wrote to memory of 2876 N/A C:\Users\Admin\AppData\Local\Temp\BlackMail.exe C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
PID 2660 wrote to memory of 2876 N/A C:\Users\Admin\AppData\Local\Temp\BlackMail.exe C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
PID 2660 wrote to memory of 2876 N/A C:\Users\Admin\AppData\Local\Temp\BlackMail.exe C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
PID 2660 wrote to memory of 2876 N/A C:\Users\Admin\AppData\Local\Temp\BlackMail.exe C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
PID 2876 wrote to memory of 2800 N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe C:\Windows\SysWOW64\notepad.exe
PID 2876 wrote to memory of 2800 N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe C:\Windows\SysWOW64\notepad.exe
PID 2876 wrote to memory of 2800 N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe C:\Windows\SysWOW64\notepad.exe
PID 2876 wrote to memory of 2800 N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe C:\Windows\SysWOW64\notepad.exe
PID 2876 wrote to memory of 2800 N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe C:\Windows\SysWOW64\notepad.exe
PID 2876 wrote to memory of 2800 N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe C:\Windows\SysWOW64\notepad.exe
PID 2876 wrote to memory of 2800 N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe C:\Windows\SysWOW64\notepad.exe
PID 2876 wrote to memory of 2800 N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe C:\Windows\SysWOW64\notepad.exe
PID 2876 wrote to memory of 2800 N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe C:\Windows\SysWOW64\notepad.exe
PID 2876 wrote to memory of 2800 N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe C:\Windows\SysWOW64\notepad.exe
PID 2876 wrote to memory of 2800 N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe C:\Windows\SysWOW64\notepad.exe
PID 2876 wrote to memory of 2800 N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe C:\Windows\SysWOW64\notepad.exe
PID 2876 wrote to memory of 2800 N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe C:\Windows\SysWOW64\notepad.exe
PID 2876 wrote to memory of 2800 N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe C:\Windows\SysWOW64\notepad.exe
PID 2876 wrote to memory of 2800 N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe C:\Windows\SysWOW64\notepad.exe
PID 2876 wrote to memory of 2800 N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe C:\Windows\SysWOW64\notepad.exe
PID 2876 wrote to memory of 2800 N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe C:\Windows\SysWOW64\notepad.exe
PID 2876 wrote to memory of 2800 N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe C:\Windows\SysWOW64\notepad.exe
PID 2876 wrote to memory of 2800 N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe C:\Windows\SysWOW64\notepad.exe
PID 2876 wrote to memory of 2800 N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe C:\Windows\SysWOW64\notepad.exe
PID 2876 wrote to memory of 2800 N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe C:\Windows\SysWOW64\notepad.exe
PID 2876 wrote to memory of 2800 N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe C:\Windows\SysWOW64\notepad.exe
PID 2876 wrote to memory of 2800 N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe C:\Windows\SysWOW64\notepad.exe

System policy modification

evasion
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion C:\Users\Admin\Documents\MSDCSC\msdcsc.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern C:\Users\Admin\Documents\MSDCSC\msdcsc.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern\NoControlPanel = "1" C:\Users\Admin\Documents\MSDCSC\msdcsc.exe N/A

Views/modifies file attributes

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

Processes

C:\Users\Admin\AppData\Local\Temp\BlackMail.exe

"C:\Users\Admin\AppData\Local\Temp\BlackMail.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\BlackMail.exe" +s +h

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h

C:\Windows\SysWOW64\attrib.exe

attrib "C:\Users\Admin\AppData\Local\Temp" +s +h

C:\Windows\SysWOW64\attrib.exe

attrib "C:\Users\Admin\AppData\Local\Temp\BlackMail.exe" +s +h

C:\Users\Admin\Documents\MSDCSC\msdcsc.exe

"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"

C:\Windows\SysWOW64\notepad.exe

notepad

Network

Country Destination Domain Proto
US 8.8.8.8:53 april-came.gl.at.ply.gg udp
US 147.185.221.21:61838 april-came.gl.at.ply.gg tcp
US 147.185.221.21:61838 april-came.gl.at.ply.gg tcp
US 147.185.221.21:61838 april-came.gl.at.ply.gg tcp

Files

memory/2660-0-0x00000000002A0000-0x00000000002A1000-memory.dmp

\Users\Admin\Documents\MSDCSC\msdcsc.exe

MD5 cc9acc9e7253ddefeea935cf0e706272
SHA1 f2fa28d60ddae4a90747bec861e6b4ba6e9486a9
SHA256 52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5
SHA512 4aab367331b9dd69d7ae5b520718542f260e1630f291728b19e682d5e737d3428441df65c58946d48e806906566a05e823b5a87ce337bc4923c29d3b87092c64

memory/2800-12-0x00000000000C0000-0x00000000000C1000-memory.dmp

memory/2800-50-0x0000000000220000-0x0000000000221000-memory.dmp

memory/2660-51-0x0000000000400000-0x00000000004F4000-memory.dmp

memory/2876-52-0x0000000000400000-0x00000000004F4000-memory.dmp

memory/2876-55-0x0000000000400000-0x00000000004F4000-memory.dmp

memory/2876-56-0x0000000000400000-0x00000000004F4000-memory.dmp

memory/2876-58-0x0000000000400000-0x00000000004F4000-memory.dmp

memory/2876-59-0x0000000000400000-0x00000000004F4000-memory.dmp

memory/2876-60-0x0000000000400000-0x00000000004F4000-memory.dmp

memory/2876-61-0x0000000000400000-0x00000000004F4000-memory.dmp

memory/2876-62-0x0000000000400000-0x00000000004F4000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-10 17:50

Reported

2024-08-10 17:52

Platform

win10v2004-20240802-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\BlackMail.exe"

Signatures

Darkcomet

trojan rat darkcomet

Modifies WinLogon for persistence

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" C:\Users\Admin\AppData\Local\Temp\BlackMail.exe N/A

Modifies security service

evasion
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4" C:\Users\Admin\Documents\MSDCSC\msdcsc.exe N/A

Windows security bypass

evasion trojan
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" C:\Users\Admin\Documents\MSDCSC\msdcsc.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" C:\Users\Admin\Documents\MSDCSC\msdcsc.exe N/A

Sets file to hidden

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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\BlackMail.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe N/A

Windows security modification

evasion trojan
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" C:\Users\Admin\Documents\MSDCSC\msdcsc.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" C:\Users\Admin\Documents\MSDCSC\msdcsc.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" C:\Users\Admin\AppData\Local\Temp\BlackMail.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" C:\Users\Admin\Documents\MSDCSC\msdcsc.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:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\attrib.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\attrib.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\Documents\MSDCSC\msdcsc.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\notepad.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\BlackMail.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ C:\Users\Admin\AppData\Local\Temp\BlackMail.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeIncreaseQuotaPrivilege N/A C:\Users\Admin\AppData\Local\Temp\BlackMail.exe N/A
Token: SeSecurityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\BlackMail.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Users\Admin\AppData\Local\Temp\BlackMail.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Users\Admin\AppData\Local\Temp\BlackMail.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Users\Admin\AppData\Local\Temp\BlackMail.exe N/A
Token: SeSystemtimePrivilege N/A C:\Users\Admin\AppData\Local\Temp\BlackMail.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Users\Admin\AppData\Local\Temp\BlackMail.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\BlackMail.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Users\Admin\AppData\Local\Temp\BlackMail.exe N/A
Token: SeBackupPrivilege N/A C:\Users\Admin\AppData\Local\Temp\BlackMail.exe N/A
Token: SeRestorePrivilege N/A C:\Users\Admin\AppData\Local\Temp\BlackMail.exe N/A
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\BlackMail.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\BlackMail.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Users\Admin\AppData\Local\Temp\BlackMail.exe N/A
Token: SeChangeNotifyPrivilege N/A C:\Users\Admin\AppData\Local\Temp\BlackMail.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\BlackMail.exe N/A
Token: SeUndockPrivilege N/A C:\Users\Admin\AppData\Local\Temp\BlackMail.exe N/A
Token: SeManageVolumePrivilege N/A C:\Users\Admin\AppData\Local\Temp\BlackMail.exe N/A
Token: SeImpersonatePrivilege N/A C:\Users\Admin\AppData\Local\Temp\BlackMail.exe N/A
Token: SeCreateGlobalPrivilege N/A C:\Users\Admin\AppData\Local\Temp\BlackMail.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\BlackMail.exe N/A
Token: 34 N/A C:\Users\Admin\AppData\Local\Temp\BlackMail.exe N/A
Token: 35 N/A C:\Users\Admin\AppData\Local\Temp\BlackMail.exe N/A
Token: 36 N/A C:\Users\Admin\AppData\Local\Temp\BlackMail.exe N/A
Token: SeIncreaseQuotaPrivilege N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe N/A
Token: SeSecurityPrivilege N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe N/A
Token: SeSystemtimePrivilege N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe N/A
Token: SeBackupPrivilege N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe N/A
Token: SeRestorePrivilege N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe N/A
Token: SeShutdownPrivilege N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe N/A
Token: SeChangeNotifyPrivilege N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe N/A
Token: SeUndockPrivilege N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe N/A
Token: SeManageVolumePrivilege N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe N/A
Token: SeImpersonatePrivilege N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe N/A
Token: SeCreateGlobalPrivilege N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe N/A
Token: 33 N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe N/A
Token: 34 N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe N/A
Token: 35 N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe N/A
Token: 36 N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4008 wrote to memory of 772 N/A C:\Users\Admin\AppData\Local\Temp\BlackMail.exe C:\Windows\SysWOW64\cmd.exe
PID 4008 wrote to memory of 772 N/A C:\Users\Admin\AppData\Local\Temp\BlackMail.exe C:\Windows\SysWOW64\cmd.exe
PID 4008 wrote to memory of 772 N/A C:\Users\Admin\AppData\Local\Temp\BlackMail.exe C:\Windows\SysWOW64\cmd.exe
PID 4008 wrote to memory of 840 N/A C:\Users\Admin\AppData\Local\Temp\BlackMail.exe C:\Windows\SysWOW64\cmd.exe
PID 4008 wrote to memory of 840 N/A C:\Users\Admin\AppData\Local\Temp\BlackMail.exe C:\Windows\SysWOW64\cmd.exe
PID 4008 wrote to memory of 840 N/A C:\Users\Admin\AppData\Local\Temp\BlackMail.exe C:\Windows\SysWOW64\cmd.exe
PID 772 wrote to memory of 2380 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\attrib.exe
PID 772 wrote to memory of 2380 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\attrib.exe
PID 772 wrote to memory of 2380 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\attrib.exe
PID 840 wrote to memory of 4860 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\attrib.exe
PID 840 wrote to memory of 4860 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\attrib.exe
PID 840 wrote to memory of 4860 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\attrib.exe
PID 4008 wrote to memory of 2172 N/A C:\Users\Admin\AppData\Local\Temp\BlackMail.exe C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
PID 4008 wrote to memory of 2172 N/A C:\Users\Admin\AppData\Local\Temp\BlackMail.exe C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
PID 4008 wrote to memory of 2172 N/A C:\Users\Admin\AppData\Local\Temp\BlackMail.exe C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
PID 2172 wrote to memory of 3352 N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe C:\Windows\SysWOW64\notepad.exe
PID 2172 wrote to memory of 3352 N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe C:\Windows\SysWOW64\notepad.exe
PID 2172 wrote to memory of 3352 N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe C:\Windows\SysWOW64\notepad.exe
PID 2172 wrote to memory of 3352 N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe C:\Windows\SysWOW64\notepad.exe
PID 2172 wrote to memory of 3352 N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe C:\Windows\SysWOW64\notepad.exe
PID 2172 wrote to memory of 3352 N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe C:\Windows\SysWOW64\notepad.exe
PID 2172 wrote to memory of 3352 N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe C:\Windows\SysWOW64\notepad.exe
PID 2172 wrote to memory of 3352 N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe C:\Windows\SysWOW64\notepad.exe
PID 2172 wrote to memory of 3352 N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe C:\Windows\SysWOW64\notepad.exe
PID 2172 wrote to memory of 3352 N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe C:\Windows\SysWOW64\notepad.exe
PID 2172 wrote to memory of 3352 N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe C:\Windows\SysWOW64\notepad.exe
PID 2172 wrote to memory of 3352 N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe C:\Windows\SysWOW64\notepad.exe
PID 2172 wrote to memory of 3352 N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe C:\Windows\SysWOW64\notepad.exe
PID 2172 wrote to memory of 3352 N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe C:\Windows\SysWOW64\notepad.exe
PID 2172 wrote to memory of 3352 N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe C:\Windows\SysWOW64\notepad.exe
PID 2172 wrote to memory of 3352 N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe C:\Windows\SysWOW64\notepad.exe
PID 2172 wrote to memory of 3352 N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe C:\Windows\SysWOW64\notepad.exe
PID 2172 wrote to memory of 3352 N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe C:\Windows\SysWOW64\notepad.exe
PID 2172 wrote to memory of 3352 N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe C:\Windows\SysWOW64\notepad.exe
PID 2172 wrote to memory of 3352 N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe C:\Windows\SysWOW64\notepad.exe
PID 2172 wrote to memory of 3352 N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe C:\Windows\SysWOW64\notepad.exe
PID 2172 wrote to memory of 3352 N/A C:\Users\Admin\Documents\MSDCSC\msdcsc.exe C:\Windows\SysWOW64\notepad.exe

System policy modification

evasion
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion C:\Users\Admin\Documents\MSDCSC\msdcsc.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern C:\Users\Admin\Documents\MSDCSC\msdcsc.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern\NoControlPanel = "1" C:\Users\Admin\Documents\MSDCSC\msdcsc.exe N/A

Views/modifies file attributes

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

Processes

C:\Users\Admin\AppData\Local\Temp\BlackMail.exe

"C:\Users\Admin\AppData\Local\Temp\BlackMail.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\BlackMail.exe" +s +h

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h

C:\Windows\SysWOW64\attrib.exe

attrib "C:\Users\Admin\AppData\Local\Temp\BlackMail.exe" +s +h

C:\Windows\SysWOW64\attrib.exe

attrib "C:\Users\Admin\AppData\Local\Temp" +s +h

C:\Users\Admin\Documents\MSDCSC\msdcsc.exe

"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"

C:\Windows\SysWOW64\notepad.exe

notepad

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 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 april-came.gl.at.ply.gg udp
US 147.185.221.21:61838 april-came.gl.at.ply.gg tcp
US 8.8.8.8:53 21.221.185.147.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp

Files

memory/4008-0-0x0000000002300000-0x0000000002301000-memory.dmp

C:\Users\Admin\Documents\MSDCSC\msdcsc.exe

MD5 cc9acc9e7253ddefeea935cf0e706272
SHA1 f2fa28d60ddae4a90747bec861e6b4ba6e9486a9
SHA256 52a29885926d3bfcfa43bdf9cedde199ad8c20566f60b432cea5b65d82f557f5
SHA512 4aab367331b9dd69d7ae5b520718542f260e1630f291728b19e682d5e737d3428441df65c58946d48e806906566a05e823b5a87ce337bc4923c29d3b87092c64

memory/2172-61-0x00000000022D0000-0x00000000022D1000-memory.dmp

memory/3352-62-0x0000000001260000-0x0000000001261000-memory.dmp

memory/4008-63-0x0000000000400000-0x00000000004F4000-memory.dmp

memory/2172-64-0x0000000000400000-0x00000000004F4000-memory.dmp