Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250313-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250313-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/03/2025, 02:39

General

  • Target

    65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe

  • Size

    9.1MB

  • MD5

    afac5e4b4d8cb6f10353da7e8fa83fa1

  • SHA1

    ca92e8ab80c94ad5ad4530863adbb1e494bc817f

  • SHA256

    65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078

  • SHA512

    91540b869195273fb82eb2a3f9b66d3eb868448c2db50e7c453ad6bb77c4293934fe1a05dd1850853a5e357bb49a7dd5b213ccb92718a2009cdda775e2de5535

  • SSDEEP

    98304:GHxMZDJ1TRpxYVX9u2IazANfAhZytTD5iqk4:sxEvYjVzANIhwNP

Malware Config

Signatures

  • Glupteba

    Glupteba is a modular loader written in Golang with various components.

  • Glupteba family
  • Glupteba payload 1 IoCs
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Executes dropped EXE 2 IoCs
  • 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 2 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 7 IoCs

    Using powershell.exe command.

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 10 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies data under HKEY_USERS 64 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of WriteProcessMemory 30 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\65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe
    "C:\Users\Admin\AppData\Local\Temp\65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2224
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2988
    • C:\Users\Admin\AppData\Local\Temp\65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe
      "C:\Users\Admin\AppData\Local\Temp\65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078.exe"
      2⤵
      • Adds Run key to start application
      • Checks for VirtualBox DLLs, possible anti-VM trick
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4956
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -nologo -noprofile
        3⤵
        • Drops file in System32 directory
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4912
      • C:\Windows\system32\cmd.exe
        C:\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
        PID:5808
        • C:\Windows\system32\netsh.exe
          netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes
          4⤵
          • Modifies Windows Firewall
          • Event Triggered Execution: Netsh Helper DLL
          PID:3584
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -nologo -noprofile
        3⤵
        • Drops file in System32 directory
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3380
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -nologo -noprofile
        3⤵
        • Drops file in System32 directory
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3564
      • C:\Windows\rss\csrss.exe
        C:\Windows\rss\csrss.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Manipulates WinMonFS driver.
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3892
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell -nologo -noprofile
          4⤵
          • Drops file in System32 directory
          • Command and Scripting Interpreter: PowerShell
          • System Location Discovery: System Language Discovery
          • Modifies data under HKEY_USERS
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3692
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
          4⤵
          • Scheduled Task/Job: Scheduled Task
          PID:3896
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:5060
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -nologo -noprofile
            4⤵
            • Drops file in System32 directory
            • Command and Scripting Interpreter: PowerShell
            • System Location Discovery: System Language Discovery
            • Modifies data under HKEY_USERS
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:5412
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -nologo -noprofile
            4⤵
            • Drops file in System32 directory
            • Command and Scripting Interpreter: PowerShell
            • System Location Discovery: System Language Discovery
            • Modifies data under HKEY_USERS
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:5644
          • C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe
            C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll
            4⤵
            • Executes dropped EXE
            • Suspicious behavior: EnumeratesProcesses
            PID:1988
          • C:\Windows\SYSTEM32\schtasks.exe
            schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
            4⤵
            • Scheduled Task/Job: Scheduled Task
            PID:1600

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_s32w0gc0.flo.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe

      Filesize

      281KB

      MD5

      d98e33b66343e7c96158444127a117f6

      SHA1

      bb716c5509a2bf345c6c1152f6e3e1452d39d50d

      SHA256

      5de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1

      SHA512

      705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5

    • C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

      Filesize

      2KB

      MD5

      968cb9309758126772781b83adb8a28f

      SHA1

      8da30e71accf186b2ba11da1797cf67f8f78b47c

      SHA256

      92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

      SHA512

      4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

    • C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive

      Filesize

      19KB

      MD5

      c85502889e7100481e909dfd661cc58c

      SHA1

      b5190ecb1cc7902612f098dcf2fa78b928e5fa25

      SHA256

      d57f681d4489d74f462498018fdf8049827dded8706ccf306803e7c83fdcb3d2

      SHA512

      bf95d0491f91bae36398131625dab6a1bf7af0b5fb1f692cb3430b96cddc1434b92bf561dc82e4217164e86f9091298eff18c7e45969f08c2a2aae829455c40b

    • C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive

      Filesize

      19KB

      MD5

      f62af67d4ef771bc2a47c19ec3228fc0

      SHA1

      27ae5e7ceff1bbd8dee7d874e4605a142a79eede

      SHA256

      1582ac36819cf6b1d9941051a671d7eb3d770082b08f7fa585d7674874994792

      SHA512

      5da46f3d78c86da259c7770d984aff3c0e23530bc3fa7d45c13b93f80c275f34870d7a5e69a159aa5c691422964ee62514d3b8a12f5f0119c3b4234412209b1f

    • C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive

      Filesize

      19KB

      MD5

      a28df149171d037a531a8691f0f50b6a

      SHA1

      0fb502d2eabdf7f4a4f99d1f356dd448a0d5717c

      SHA256

      67777704086bbd2d459be5a226e7bcc10dcc16afbb5fe74245e4b003c0c3caa6

      SHA512

      4e9dcc23a5c2ba870792af949eadfa4238f7038341a4123106e2cf511768a1051c2c0a643010f35d5ca6b13391af4c1a95b89639532ca5faef0ae24a17c4fe30

    • C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive

      Filesize

      19KB

      MD5

      012a33c3eae73aca2274070cd60a7f10

      SHA1

      ba484ca4ed49665ee400bfbfd9d5fb145d2b7536

      SHA256

      7eced7100cee8ce5bbc2b3ad99f8df1eb63ff018afcbb09b9a829b16b9831271

      SHA512

      dd5e8a9f4de470537018076d748abcc48e071616e50ce96757d374761f44beb41f4e11bd97ec6f5333c6a52e41ddfe99f6b52711aa9c43f4218c0cc7e69b06ee

    • C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive

      Filesize

      19KB

      MD5

      dbfa4c1e3e03aa30a0b279da812e4615

      SHA1

      84cf8bb7de254275cb75c0f4a75b29e93bf39d21

      SHA256

      87c7d664312f966aa5ae228b8da1c0abb1da3b16b4bf474e2ad485ca45acbaec

      SHA512

      4da1960012a69e10680d89090e96c919cedde36af6021f8fbbdc4dc80414bcc478232e5351179ad3482cdfe0c318cf484cda5c438d4e0dd84b2a5202175e8152

    • C:\Windows\rss\csrss.exe

      Filesize

      9.1MB

      MD5

      afac5e4b4d8cb6f10353da7e8fa83fa1

      SHA1

      ca92e8ab80c94ad5ad4530863adbb1e494bc817f

      SHA256

      65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078

      SHA512

      91540b869195273fb82eb2a3f9b66d3eb868448c2db50e7c453ad6bb77c4293934fe1a05dd1850853a5e357bb49a7dd5b213ccb92718a2009cdda775e2de5535

    • memory/2988-19-0x0000000005FD0000-0x000000000601C000-memory.dmp

      Filesize

      304KB

    • memory/2988-45-0x00000000076B0000-0x00000000076BE000-memory.dmp

      Filesize

      56KB

    • memory/2988-1-0x0000000002650000-0x0000000002686000-memory.dmp

      Filesize

      216KB

    • memory/2988-20-0x0000000006390000-0x00000000063D4000-memory.dmp

      Filesize

      272KB

    • memory/2988-21-0x00000000072A0000-0x0000000007316000-memory.dmp

      Filesize

      472KB

    • memory/2988-22-0x00000000079A0000-0x000000000801A000-memory.dmp

      Filesize

      6.5MB

    • memory/2988-23-0x0000000007340000-0x000000000735A000-memory.dmp

      Filesize

      104KB

    • memory/2988-25-0x0000000074390000-0x0000000074B40000-memory.dmp

      Filesize

      7.7MB

    • memory/2988-24-0x0000000007500000-0x0000000007532000-memory.dmp

      Filesize

      200KB

    • memory/2988-26-0x0000000070230000-0x000000007027C000-memory.dmp

      Filesize

      304KB

    • memory/2988-27-0x0000000070800000-0x0000000070B54000-memory.dmp

      Filesize

      3.3MB

    • memory/2988-37-0x0000000007540000-0x000000000755E000-memory.dmp

      Filesize

      120KB

    • memory/2988-38-0x0000000007560000-0x0000000007603000-memory.dmp

      Filesize

      652KB

    • memory/2988-39-0x0000000007650000-0x000000000765A000-memory.dmp

      Filesize

      40KB

    • memory/2988-40-0x0000000074390000-0x0000000074B40000-memory.dmp

      Filesize

      7.7MB

    • memory/2988-41-0x0000000074390000-0x0000000074B40000-memory.dmp

      Filesize

      7.7MB

    • memory/2988-42-0x0000000074390000-0x0000000074B40000-memory.dmp

      Filesize

      7.7MB

    • memory/2988-43-0x0000000007710000-0x00000000077A6000-memory.dmp

      Filesize

      600KB

    • memory/2988-44-0x0000000007670000-0x0000000007681000-memory.dmp

      Filesize

      68KB

    • memory/2988-18-0x0000000005FA0000-0x0000000005FBE000-memory.dmp

      Filesize

      120KB

    • memory/2988-46-0x00000000076C0000-0x00000000076D4000-memory.dmp

      Filesize

      80KB

    • memory/2988-47-0x00000000077B0000-0x00000000077CA000-memory.dmp

      Filesize

      104KB

    • memory/2988-48-0x0000000007700000-0x0000000007708000-memory.dmp

      Filesize

      32KB

    • memory/2988-51-0x0000000074390000-0x0000000074B40000-memory.dmp

      Filesize

      7.7MB

    • memory/2988-17-0x0000000005940000-0x0000000005C94000-memory.dmp

      Filesize

      3.3MB

    • memory/2988-7-0x0000000005850000-0x00000000058B6000-memory.dmp

      Filesize

      408KB

    • memory/2988-6-0x0000000005040000-0x00000000050A6000-memory.dmp

      Filesize

      408KB

    • memory/2988-5-0x0000000004FA0000-0x0000000004FC2000-memory.dmp

      Filesize

      136KB

    • memory/2988-0-0x000000007439E000-0x000000007439F000-memory.dmp

      Filesize

      4KB

    • memory/2988-4-0x0000000074390000-0x0000000074B40000-memory.dmp

      Filesize

      7.7MB

    • memory/2988-2-0x0000000074390000-0x0000000074B40000-memory.dmp

      Filesize

      7.7MB

    • memory/2988-3-0x0000000005220000-0x0000000005848000-memory.dmp

      Filesize

      6.2MB

    • memory/3380-89-0x0000000005A00000-0x0000000005D54000-memory.dmp

      Filesize

      3.3MB

    • memory/3380-91-0x0000000070330000-0x000000007037C000-memory.dmp

      Filesize

      304KB

    • memory/3380-92-0x0000000070AB0000-0x0000000070E04000-memory.dmp

      Filesize

      3.3MB

    • memory/3564-115-0x0000000070AD0000-0x0000000070E24000-memory.dmp

      Filesize

      3.3MB

    • memory/3564-108-0x00000000061A0000-0x00000000064F4000-memory.dmp

      Filesize

      3.3MB

    • memory/3564-114-0x0000000070330000-0x000000007037C000-memory.dmp

      Filesize

      304KB

    • memory/3692-139-0x0000000005690000-0x00000000059E4000-memory.dmp

      Filesize

      3.3MB

    • memory/3692-155-0x0000000005470000-0x0000000005484000-memory.dmp

      Filesize

      80KB

    • memory/3692-154-0x00000000070F0000-0x0000000007101000-memory.dmp

      Filesize

      68KB

    • memory/3692-153-0x0000000006DD0000-0x0000000006E73000-memory.dmp

      Filesize

      652KB

    • memory/3692-143-0x0000000070410000-0x0000000070764000-memory.dmp

      Filesize

      3.3MB

    • memory/3692-141-0x0000000005BC0000-0x0000000005C0C000-memory.dmp

      Filesize

      304KB

    • memory/3692-142-0x0000000070290000-0x00000000702DC000-memory.dmp

      Filesize

      304KB

    • memory/4912-63-0x0000000070330000-0x000000007037C000-memory.dmp

      Filesize

      304KB

    • memory/4912-74-0x0000000007AE0000-0x0000000007B83000-memory.dmp

      Filesize

      652KB

    • memory/4912-75-0x0000000007E00000-0x0000000007E11000-memory.dmp

      Filesize

      68KB

    • memory/4912-62-0x0000000006930000-0x000000000697C000-memory.dmp

      Filesize

      304KB

    • memory/4912-76-0x0000000007E50000-0x0000000007E64000-memory.dmp

      Filesize

      80KB

    • memory/4912-64-0x00000000704B0000-0x0000000070804000-memory.dmp

      Filesize

      3.3MB

    • memory/4912-61-0x0000000006530000-0x0000000006884000-memory.dmp

      Filesize

      3.3MB

    • memory/5412-157-0x00000000056B0000-0x0000000005A04000-memory.dmp

      Filesize

      3.3MB

    • memory/5412-170-0x0000000070940000-0x0000000070C94000-memory.dmp

      Filesize

      3.3MB

    • memory/5412-180-0x0000000006F70000-0x0000000007013000-memory.dmp

      Filesize

      652KB

    • memory/5412-181-0x0000000005B40000-0x0000000005B51000-memory.dmp

      Filesize

      68KB

    • memory/5412-182-0x0000000005B80000-0x0000000005B94000-memory.dmp

      Filesize

      80KB

    • memory/5412-169-0x00000000701B0000-0x00000000701FC000-memory.dmp

      Filesize

      304KB

    • memory/5412-168-0x0000000006300000-0x000000000634C000-memory.dmp

      Filesize

      304KB

    • memory/5644-193-0x0000000005970000-0x0000000005CC4000-memory.dmp

      Filesize

      3.3MB

    • memory/5644-195-0x00000000701B0000-0x00000000701FC000-memory.dmp

      Filesize

      304KB

    • memory/5644-196-0x0000000070330000-0x0000000070684000-memory.dmp

      Filesize

      3.3MB