Analysis
- max time kernel
149s - max time network
146s - platform
windows11-21h2_x64 - resource
win11-20240412-en - resource tags
- submitted
19/04/2024, 07:03
General
- Target 0d14cbc2b66c6982a94ff0ad2b75417af149fae110ff4c7427ea139d40334ade.exe
- Size 4.2MB
- Sample240419-hvflsscd3v
- SHA256 0d14cbc2b66c6982a94ff0ad2b75417af149fae110ff4c7427ea139d40334ade
Malware Config
Signatures
- Glupteba
Glupteba is a modular loader written in Golang with various components.
- Glupteba payload 19 IoCs
- Modifies Windows Firewall 2 TTPs 1 IoCs
- Executes dropped EXE 4 IoCs
- UPX packed file 4 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Adds Run key to start application 2 TTPs 2 IoCs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
- Drops file in System32 directory 7 IoCs
- Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
- Drops file in Windows directory 4 IoCs
- Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
- Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Modifies data under HKEY_USERS 64 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious use of AdjustPrivilegeToken 12 IoCs
- Suspicious use of WriteProcessMemory 36 IoCs
- Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Users\Admin\AppData\Local\Temp\0d14cbc2b66c6982a94ff0ad2b75417af149fae110ff4c7427ea139d40334ade.exe"C:\Users\Admin\AppData\Local\Temp\0d14cbc2b66c6982a94ff0ad2b75417af149fae110ff4c7427ea139d40334ade.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\Temp\0d14cbc2b66c6982a94ff0ad2b75417af149fae110ff4c7427ea139d40334ade.exe"C:\Users\Admin\AppData\Local\Temp\0d14cbc2b66c6982a94ff0ad2b75417af149fae110ff4c7427ea139d40334ade.exe"2⤵
- Adds Run key to start application
- Checks for VirtualBox DLLs, possible anti-VM trick
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\system32\cmd.exeC:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"3⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\netsh.exenetsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes4⤵
- Modifies Windows Firewall
-
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- Manipulates WinMonFS driver.
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeC:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\cmd.execmd.exe /C sc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)5⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\sc.exesc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)6⤵
- Launches sc.exe
- Suspicious use of AdjustPrivilegeToken
-
-
-
-
-
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
Loading Replay Monitor...
Downloads
__PSScriptPolicyTest_h52kb3lz.e3n.ps1
injector.exe
powershell.exe.log
StartupProfileData-Interactive
StartupProfileData-Interactive
StartupProfileData-Interactive
StartupProfileData-Interactive
StartupProfileData-Interactive
csrss.exe
windefender.exe
memory/1216-23-0x0000000007980000-0x00000000079C6000-memory.dmp
memory/1216-20-0x00000000062F0000-0x0000000006647000-memory.dmp
memory/1216-21-0x00000000067B0000-0x00000000067CE000-memory.dmp
memory/1216-24-0x000000007F250000-0x000000007F260000-memory.dmp
memory/1216-26-0x0000000070E80000-0x0000000070ECC000-memory.dmp
memory/1216-27-0x0000000071090000-0x00000000713E7000-memory.dmp
memory/1216-25-0x0000000007BF0000-0x0000000007C24000-memory.dmp
memory/1216-36-0x0000000007C30000-0x0000000007C4E000-memory.dmp
memory/1216-37-0x0000000007C50000-0x0000000007CF4000-memory.dmp
memory/1216-39-0x0000000007D70000-0x0000000007D8A000-memory.dmp
memory/1216-38-0x00000000083C0000-0x0000000008A3A000-memory.dmp
memory/1216-40-0x0000000007DB0000-0x0000000007DBA000-memory.dmp
memory/1216-41-0x0000000007EC0000-0x0000000007F56000-memory.dmp
memory/1216-42-0x0000000007DD0000-0x0000000007DE1000-memory.dmp
memory/1216-43-0x0000000007E20000-0x0000000007E2E000-memory.dmp
memory/1216-45-0x0000000007E80000-0x0000000007E9A000-memory.dmp
memory/1216-44-0x0000000007E30000-0x0000000007E45000-memory.dmp
memory/1216-46-0x0000000007E70000-0x0000000007E78000-memory.dmp
memory/1216-49-0x0000000074C10000-0x00000000753C1000-memory.dmp
memory/1216-4-0x0000000005300000-0x0000000005336000-memory.dmp
memory/1216-5-0x0000000074C10000-0x00000000753C1000-memory.dmp
memory/1216-22-0x0000000006870000-0x00000000068BC000-memory.dmp
memory/1216-6-0x00000000053F0000-0x0000000005400000-memory.dmp
memory/1216-7-0x00000000053F0000-0x0000000005400000-memory.dmp
memory/1216-8-0x0000000005A30000-0x000000000605A000-memory.dmp
memory/1216-9-0x0000000005930000-0x0000000005952000-memory.dmp
memory/1216-11-0x0000000006180000-0x00000000061E6000-memory.dmp
memory/1216-10-0x0000000006060000-0x00000000060C6000-memory.dmp
memory/1584-249-0x0000000000400000-0x0000000003111000-memory.dmp
memory/1584-276-0x0000000000400000-0x0000000003111000-memory.dmp
memory/1584-279-0x0000000000400000-0x0000000003111000-memory.dmp
memory/1584-258-0x0000000000400000-0x0000000003111000-memory.dmp
memory/1584-261-0x0000000000400000-0x0000000003111000-memory.dmp
memory/1584-282-0x0000000000400000-0x0000000003111000-memory.dmp
memory/1584-239-0x0000000000400000-0x0000000003111000-memory.dmp
memory/1584-273-0x0000000000400000-0x0000000003111000-memory.dmp
memory/1584-264-0x0000000000400000-0x0000000003111000-memory.dmp
memory/1584-267-0x0000000000400000-0x0000000003111000-memory.dmp
memory/1584-270-0x0000000000400000-0x0000000003111000-memory.dmp
memory/1584-255-0x0000000000400000-0x0000000003111000-memory.dmp
memory/1584-252-0x0000000000400000-0x0000000003111000-memory.dmp
memory/1712-112-0x0000000002F20000-0x0000000002F30000-memory.dmp
memory/1712-115-0x0000000074C10000-0x00000000753C1000-memory.dmp
memory/1712-90-0x0000000002F20000-0x0000000002F30000-memory.dmp
memory/1712-88-0x0000000074C10000-0x00000000753C1000-memory.dmp
memory/1712-101-0x0000000070E80000-0x0000000070ECC000-memory.dmp
memory/1712-100-0x000000007F4E0000-0x000000007F4F0000-memory.dmp
memory/1712-102-0x0000000071090000-0x00000000713E7000-memory.dmp
memory/1712-89-0x0000000002F20000-0x0000000002F30000-memory.dmp
memory/1712-113-0x0000000002F20000-0x0000000002F30000-memory.dmp
memory/2484-69-0x000000007F610000-0x000000007F620000-memory.dmp
memory/2484-64-0x00000000050A0000-0x00000000050B0000-memory.dmp
memory/2484-83-0x0000000007B60000-0x0000000007B75000-memory.dmp
memory/2484-82-0x0000000007B10000-0x0000000007B21000-memory.dmp
memory/2484-81-0x00000000050A0000-0x00000000050B0000-memory.dmp
memory/2484-79-0x00000000075F0000-0x0000000007694000-memory.dmp
memory/2484-62-0x0000000006040000-0x0000000006397000-memory.dmp
memory/2484-76-0x00000000050A0000-0x00000000050B0000-memory.dmp
memory/2484-68-0x00000000710B0000-0x0000000071407000-memory.dmp
memory/2484-86-0x0000000074C10000-0x00000000753C1000-memory.dmp
memory/2484-67-0x0000000070E80000-0x0000000070ECC000-memory.dmp
memory/2484-66-0x0000000074C10000-0x00000000753C1000-memory.dmp
memory/2484-65-0x00000000050A0000-0x00000000050B0000-memory.dmp
memory/3444-147-0x0000000000400000-0x0000000003111000-memory.dmp
memory/3444-63-0x0000000000400000-0x0000000003111000-memory.dmp
memory/3444-52-0x0000000005240000-0x0000000005B2B000-memory.dmp
memory/3444-51-0x0000000004E30000-0x0000000005234000-memory.dmp
memory/3444-111-0x0000000004E30000-0x0000000005234000-memory.dmp
memory/3672-256-0x0000000000400000-0x00000000008DF000-memory.dmp
memory/3672-250-0x0000000000400000-0x00000000008DF000-memory.dmp
memory/4168-53-0x0000000004EB0000-0x00000000052AF000-memory.dmp
memory/4168-80-0x0000000000400000-0x0000000003111000-memory.dmp
memory/4168-3-0x0000000000400000-0x0000000003111000-memory.dmp
memory/4168-2-0x00000000052B0000-0x0000000005B9B000-memory.dmp
memory/4168-1-0x0000000004EB0000-0x00000000052AF000-memory.dmp
memory/4844-129-0x0000000071090000-0x00000000713E7000-memory.dmp
memory/4844-128-0x0000000070E80000-0x0000000070ECC000-memory.dmp
memory/4844-117-0x0000000004620000-0x0000000004630000-memory.dmp
memory/4844-118-0x0000000004620000-0x0000000004630000-memory.dmp
memory/4844-116-0x0000000074C10000-0x00000000753C1000-memory.dmp
memory/5024-247-0x0000000000400000-0x00000000008DF000-memory.dmp