Analysis

  • max time kernel
    149s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250313-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250313-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/03/2025, 18:20

General

  • Target

    2025-03-22_afac5e4b4d8cb6f10353da7e8fa83fa1_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.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\2025-03-22_afac5e4b4d8cb6f10353da7e8fa83fa1_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-03-22_afac5e4b4d8cb6f10353da7e8fa83fa1_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3572
    • 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:5224
    • C:\Users\Admin\AppData\Local\Temp\2025-03-22_afac5e4b4d8cb6f10353da7e8fa83fa1_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe
      "C:\Users\Admin\AppData\Local\Temp\2025-03-22_afac5e4b4d8cb6f10353da7e8fa83fa1_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.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:4120
      • 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:4448
      • 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:628
        • 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:4760
      • 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:5872
      • 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:5920
      • 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:4552
        • 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:4812
        • 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:3244
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:868
          • 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:1476
          • 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:1660
          • 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:3964
          • 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:4528

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2rtqcemj.t2d.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

      3d086a433708053f9bf9523e1d87a4e8

      SHA1

      b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

      SHA256

      6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

      SHA512

      931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

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

      Filesize

      19KB

      MD5

      c3298ce0db24fa7a61c422d0bb0b6fcd

      SHA1

      5d6839349718aacdb4125673af8073bef4fe0ed8

      SHA256

      d0774ab16fd14712d3f566429ad4aac950eda3a7f3a7e60de9b16255a1aa1b80

      SHA512

      eb4b0a455a81e2c88e983b22d493a28ff153c827dde28223b46929affcc2b6bf7b10e7277565b1e30ba520aab724db37e8e9f38fb219f7284a0727267602c46f

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

      Filesize

      19KB

      MD5

      b15de100676b069ad43ff2bd2bdda98f

      SHA1

      b9c67cf81c623b35b13014593d4cf34c2d959365

      SHA256

      0de7403b1ced321cfdf6224053cd49127cacf1b63b6a747e524db353ff7dc050

      SHA512

      a4f4c7ef5aae6d34a508f5d14d70766d01c428e6e0dac4270f1f0b0cb5c29bc50e01d853e7e99cba8b0d8efc3b001420005d29ea886251b74ad36b504b87f5f8

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

      Filesize

      19KB

      MD5

      33da041ec3b6c90dbb49e5c8811246aa

      SHA1

      8d96433b7e3f54751909e0a8f779859d9dfc9f68

      SHA256

      19c2e2d387d20ae8fd0e42a0a45246a2f437eee11d3f9909159850973edd1033

      SHA512

      edbdf4a61aed23f1fe4b4166b3704facf236b26ac8f34cac738e62dee40b7a76fb1fa34936cb77dd31c81f9ac009a1ff4183b3e35ad5bd70b28a63df4ad9771a

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

      Filesize

      19KB

      MD5

      a081ad3096a7341e60589717550a503c

      SHA1

      4e7bec6d5329bfefdaaaf551bb5d14f27f2c7e2f

      SHA256

      7c484692dd3cdd7697f5c45c21f0812059158c4613895e0b64e61d4e786be0d5

      SHA512

      b18da44ac2c33f3e81716349311c946b9d4aa155e3e65610bdb49be1c04c747782fa3dd4534a741d9ef063dde99c00db566a284367e932b5dc2cbb83bb53fed9

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

      Filesize

      19KB

      MD5

      4193bf706b860f50f0767af88c7c1634

      SHA1

      3628fb325b09e4359b236d42059578d9d3c6d687

      SHA256

      5ada9c58ebe1945bb7984213cf3cbd71b9c1284e05bc7cebae150a35097d35b2

      SHA512

      8aa399e9c27f916ebf5be016997792c058d1347a469df33dd34c24b85a7bc4ecf278f6b9c5b1e98891d5d6e9250834d6c7c3d2f98a543fdb84dcae2b6cebcad5

    • C:\Windows\rss\csrss.exe

      Filesize

      9.1MB

      MD5

      afac5e4b4d8cb6f10353da7e8fa83fa1

      SHA1

      ca92e8ab80c94ad5ad4530863adbb1e494bc817f

      SHA256

      65df23849c6a6722b36b8d3bd101c9b58ec82ab0f91ef09524a7b9c91fe76078

      SHA512

      91540b869195273fb82eb2a3f9b66d3eb868448c2db50e7c453ad6bb77c4293934fe1a05dd1850853a5e357bb49a7dd5b213ccb92718a2009cdda775e2de5535

    • memory/1476-167-0x0000000070B70000-0x0000000070BBC000-memory.dmp

      Filesize

      304KB

    • memory/1476-179-0x00000000061D0000-0x00000000061E1000-memory.dmp

      Filesize

      68KB

    • memory/1476-166-0x0000000006AA0000-0x0000000006AEC000-memory.dmp

      Filesize

      304KB

    • memory/1476-178-0x00000000079D0000-0x0000000007A73000-memory.dmp

      Filesize

      652KB

    • memory/1476-164-0x00000000062D0000-0x0000000006624000-memory.dmp

      Filesize

      3.3MB

    • memory/1476-168-0x0000000070CF0000-0x0000000071044000-memory.dmp

      Filesize

      3.3MB

    • memory/1476-180-0x0000000006210000-0x0000000006224000-memory.dmp

      Filesize

      80KB

    • memory/1660-192-0x0000000070B70000-0x0000000070BBC000-memory.dmp

      Filesize

      304KB

    • memory/1660-193-0x0000000071310000-0x0000000071664000-memory.dmp

      Filesize

      3.3MB

    • memory/4448-57-0x0000000005B50000-0x0000000005EA4000-memory.dmp

      Filesize

      3.3MB

    • memory/4448-74-0x0000000007640000-0x0000000007654000-memory.dmp

      Filesize

      80KB

    • memory/4448-73-0x00000000075F0000-0x0000000007601000-memory.dmp

      Filesize

      68KB

    • memory/4448-72-0x0000000007310000-0x00000000073B3000-memory.dmp

      Filesize

      652KB

    • memory/4448-62-0x0000000070E90000-0x00000000711E4000-memory.dmp

      Filesize

      3.3MB

    • memory/4448-61-0x0000000070CF0000-0x0000000070D3C000-memory.dmp

      Filesize

      304KB

    • memory/4448-60-0x00000000065F0000-0x000000000663C000-memory.dmp

      Filesize

      304KB

    • memory/4812-140-0x0000000070C50000-0x0000000070C9C000-memory.dmp

      Filesize

      304KB

    • memory/4812-128-0x00000000054E0000-0x0000000005834000-memory.dmp

      Filesize

      3.3MB

    • memory/4812-153-0x0000000005980000-0x0000000005994000-memory.dmp

      Filesize

      80KB

    • memory/4812-152-0x0000000005940000-0x0000000005951000-memory.dmp

      Filesize

      68KB

    • memory/4812-151-0x0000000006DA0000-0x0000000006E43000-memory.dmp

      Filesize

      652KB

    • memory/4812-141-0x00000000713E0000-0x0000000071734000-memory.dmp

      Filesize

      3.3MB

    • memory/4812-139-0x0000000005B70000-0x0000000005BBC000-memory.dmp

      Filesize

      304KB

    • memory/5224-21-0x0000000007810000-0x0000000007886000-memory.dmp

      Filesize

      472KB

    • memory/5224-20-0x0000000006A50000-0x0000000006A94000-memory.dmp

      Filesize

      272KB

    • memory/5224-36-0x0000000074D50000-0x0000000075500000-memory.dmp

      Filesize

      7.7MB

    • memory/5224-39-0x0000000007AD0000-0x0000000007B73000-memory.dmp

      Filesize

      652KB

    • memory/5224-24-0x0000000007A70000-0x0000000007AA2000-memory.dmp

      Filesize

      200KB

    • memory/5224-37-0x0000000074D50000-0x0000000075500000-memory.dmp

      Filesize

      7.7MB

    • memory/5224-38-0x0000000007AB0000-0x0000000007ACE000-memory.dmp

      Filesize

      120KB

    • memory/5224-1-0x0000000002B70000-0x0000000002BA6000-memory.dmp

      Filesize

      216KB

    • memory/5224-25-0x0000000070BF0000-0x0000000070C3C000-memory.dmp

      Filesize

      304KB

    • memory/5224-3-0x00000000055C0000-0x0000000005BE8000-memory.dmp

      Filesize

      6.2MB

    • memory/5224-2-0x0000000074D50000-0x0000000075500000-memory.dmp

      Filesize

      7.7MB

    • memory/5224-4-0x0000000074D50000-0x0000000075500000-memory.dmp

      Filesize

      7.7MB

    • memory/5224-26-0x0000000071310000-0x0000000071664000-memory.dmp

      Filesize

      3.3MB

    • memory/5224-5-0x0000000005540000-0x0000000005562000-memory.dmp

      Filesize

      136KB

    • memory/5224-7-0x0000000005CD0000-0x0000000005D36000-memory.dmp

      Filesize

      408KB

    • memory/5224-23-0x00000000078B0000-0x00000000078CA000-memory.dmp

      Filesize

      104KB

    • memory/5224-41-0x0000000007C80000-0x0000000007D16000-memory.dmp

      Filesize

      600KB

    • memory/5224-22-0x0000000007F10000-0x000000000858A000-memory.dmp

      Filesize

      6.5MB

    • memory/5224-42-0x0000000007BE0000-0x0000000007BF1000-memory.dmp

      Filesize

      68KB

    • memory/5224-0-0x0000000074D5E000-0x0000000074D5F000-memory.dmp

      Filesize

      4KB

    • memory/5224-49-0x0000000074D50000-0x0000000075500000-memory.dmp

      Filesize

      7.7MB

    • memory/5224-46-0x0000000007C60000-0x0000000007C68000-memory.dmp

      Filesize

      32KB

    • memory/5224-45-0x0000000007D20000-0x0000000007D3A000-memory.dmp

      Filesize

      104KB

    • memory/5224-44-0x0000000007C30000-0x0000000007C44000-memory.dmp

      Filesize

      80KB

    • memory/5224-43-0x0000000007C20000-0x0000000007C2E000-memory.dmp

      Filesize

      56KB

    • memory/5224-40-0x0000000007BC0000-0x0000000007BCA000-memory.dmp

      Filesize

      40KB

    • memory/5224-19-0x0000000006590000-0x00000000065DC000-memory.dmp

      Filesize

      304KB

    • memory/5224-18-0x0000000006510000-0x000000000652E000-memory.dmp

      Filesize

      120KB

    • memory/5224-17-0x0000000005EC0000-0x0000000006214000-memory.dmp

      Filesize

      3.3MB

    • memory/5224-6-0x0000000005C60000-0x0000000005CC6000-memory.dmp

      Filesize

      408KB

    • memory/5872-89-0x0000000070CF0000-0x0000000070D3C000-memory.dmp

      Filesize

      304KB

    • memory/5872-90-0x00000000714B0000-0x0000000071804000-memory.dmp

      Filesize

      3.3MB

    • memory/5872-84-0x0000000005BC0000-0x0000000005F14000-memory.dmp

      Filesize

      3.3MB

    • memory/5920-112-0x0000000070CF0000-0x0000000070D3C000-memory.dmp

      Filesize

      304KB

    • memory/5920-113-0x0000000071490000-0x00000000717E4000-memory.dmp

      Filesize

      3.3MB

    • memory/5920-110-0x0000000005CD0000-0x0000000006024000-memory.dmp

      Filesize

      3.3MB