Analysis

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

    arch:x64arch:x86image:win10v2004-20250313-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/03/2025, 05:00

General

  • Target

    2025-03-18_e723ac0c86ba48c4919e166aa30e7d3b_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe

  • Size

    9.1MB

  • MD5

    e723ac0c86ba48c4919e166aa30e7d3b

  • SHA1

    910aa7e8107e9c7e631c89ed591cfdff539f6ca3

  • SHA256

    8a255fb5b62dca78b85d003f63f6b9667051960995c0f46a744c86d644e36f96

  • SHA512

    a4bddcc49c69de236aa40714519d75d7fd307074f63519457e2e4016fc7ed496130ef8ec5bbd149a0ffa2603bef020fed4a4d90b08cbe2e3ace209d2e3499d09

  • SSDEEP

    98304:GHxMZDJ1TRpxYVX9u2IazANf6hZytTD5iq6v:sxEvYjVzANihwNm

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\2025-03-18_e723ac0c86ba48c4919e166aa30e7d3b_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-03-18_e723ac0c86ba48c4919e166aa30e7d3b_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:4340
    • 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:1692
    • C:\Users\Admin\AppData\Local\Temp\2025-03-18_e723ac0c86ba48c4919e166aa30e7d3b_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe
      "C:\Users\Admin\AppData\Local\Temp\2025-03-18_e723ac0c86ba48c4919e166aa30e7d3b_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:5804
      • 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:5840
      • 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:2060
        • 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:1000
      • 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:2632
      • 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:5132
      • 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:4304
        • 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:2384
        • 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:3016
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:3560
          • 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:3556
          • 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:5408
          • 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:5004
          • 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:5520

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_cyrxispz.r5z.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

      c511469965056e3d9cd3d3a1335336f4

      SHA1

      83af38cfda8dd8ce1080438a85dc9082ff0b85c4

      SHA256

      fecf4825b697cdc3315a3d4092c4deddbb7cd5255580ad0dfc592ce922db8b61

      SHA512

      b572d28f2e6e328372411d5c385919e6cda263660ab611df514ee40b30f4969efdc23ad7ea8b171e8d268dab3fd8b0cd4a69f89ab30bbc321a625f31d7cea0a9

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

      Filesize

      19KB

      MD5

      98dc2303bb996a2f206dff07d894a7f1

      SHA1

      bd890759d768ecc3c1ce1ebee84c2013d3b6a0d9

      SHA256

      0c4dde0cf1d4389f5b79f094f167f3da53d848dc01bf2810c4a3d1932f6224ab

      SHA512

      c21689c9596e0b1d8b48caa9e21ce4a8319806fd443911a87d020a9522c5eefbd2a8cfc3ade1bd256ef036c48ea9494e202045fb0924c1a04341d92a29093346

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

      Filesize

      19KB

      MD5

      ea4e5ff69b183fac4a074fa2fef44111

      SHA1

      cec2a8aa105e5282ee74c5f6002afc8e21158039

      SHA256

      bc33de0ea9c8bdf0a8c4149e544c6990377d454d4e4d713aedf1ac7b596485ec

      SHA512

      78402229550bf051a370ca5dd8306c87918966b4b6aa1f96e4f1543cec62e865c377596dadbf3ec6c33aae2f07eafedb1a28e8eacb9d585bd4788c685ca774a3

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

      Filesize

      19KB

      MD5

      55162f89e7e92519a0499b51029b6bff

      SHA1

      0bcf48bb91056946a3c578d8ccd51c026718fd8c

      SHA256

      c2dfdf72556463ee63505d523ebacbf63ec8643b5d05e6805f997415e81dc698

      SHA512

      421b39168a50a45c313a28f41e77fba3990ed561818b4538fb6115d62817c03f5a94d09ea884ba48d1fa434ba8e1ed4cab88b5b2e9dceac80393c0e95b1be5a0

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

      Filesize

      19KB

      MD5

      61c576ddb45256a1fcef62f4af3da051

      SHA1

      ba50f3f29b88bc109bb26c2c1afab3b3827a53fd

      SHA256

      5079926dbeb2ae7d7a654b866fff7800eb605471877283e5b1b9f49595cb083a

      SHA512

      584b4a056a9c3971661bc92ea23d477dd68902db4529dead8191f0015a77f71a1a187ecc61ae76e5173c9e569a5c7c7939f3d2db28288cf5309d29dc18142b92

    • C:\Windows\rss\csrss.exe

      Filesize

      9.1MB

      MD5

      e723ac0c86ba48c4919e166aa30e7d3b

      SHA1

      910aa7e8107e9c7e631c89ed591cfdff539f6ca3

      SHA256

      8a255fb5b62dca78b85d003f63f6b9667051960995c0f46a744c86d644e36f96

      SHA512

      a4bddcc49c69de236aa40714519d75d7fd307074f63519457e2e4016fc7ed496130ef8ec5bbd149a0ffa2603bef020fed4a4d90b08cbe2e3ace209d2e3499d09

    • memory/1692-26-0x00000000708F0000-0x0000000070C44000-memory.dmp

      Filesize

      3.3MB

    • memory/1692-41-0x00000000078B0000-0x00000000078C1000-memory.dmp

      Filesize

      68KB

    • memory/1692-19-0x00000000067F0000-0x0000000006834000-memory.dmp

      Filesize

      272KB

    • memory/1692-20-0x0000000007540000-0x00000000075B6000-memory.dmp

      Filesize

      472KB

    • memory/1692-21-0x0000000007C40000-0x00000000082BA000-memory.dmp

      Filesize

      6.5MB

    • memory/1692-22-0x0000000007500000-0x000000000751A000-memory.dmp

      Filesize

      104KB

    • memory/1692-25-0x0000000070340000-0x000000007038C000-memory.dmp

      Filesize

      304KB

    • memory/1692-24-0x00000000744A0000-0x0000000074C50000-memory.dmp

      Filesize

      7.7MB

    • memory/1692-23-0x0000000007730000-0x0000000007762000-memory.dmp

      Filesize

      200KB

    • memory/1692-17-0x00000000061D0000-0x00000000061EE000-memory.dmp

      Filesize

      120KB

    • memory/1692-37-0x00000000744A0000-0x0000000074C50000-memory.dmp

      Filesize

      7.7MB

    • memory/1692-36-0x0000000007770000-0x000000000778E000-memory.dmp

      Filesize

      120KB

    • memory/1692-38-0x0000000007790000-0x0000000007833000-memory.dmp

      Filesize

      652KB

    • memory/1692-39-0x0000000007880000-0x000000000788A000-memory.dmp

      Filesize

      40KB

    • memory/1692-40-0x0000000007950000-0x00000000079E6000-memory.dmp

      Filesize

      600KB

    • memory/1692-18-0x00000000061F0000-0x000000000623C000-memory.dmp

      Filesize

      304KB

    • memory/1692-42-0x00000000078F0000-0x00000000078FE000-memory.dmp

      Filesize

      56KB

    • memory/1692-43-0x0000000007900000-0x0000000007914000-memory.dmp

      Filesize

      80KB

    • memory/1692-44-0x00000000079F0000-0x0000000007A0A000-memory.dmp

      Filesize

      104KB

    • memory/1692-45-0x0000000007930000-0x0000000007938000-memory.dmp

      Filesize

      32KB

    • memory/1692-48-0x00000000744A0000-0x0000000074C50000-memory.dmp

      Filesize

      7.7MB

    • memory/1692-16-0x0000000005BA0000-0x0000000005EF4000-memory.dmp

      Filesize

      3.3MB

    • memory/1692-6-0x00000000059A0000-0x0000000005A06000-memory.dmp

      Filesize

      408KB

    • memory/1692-5-0x0000000005930000-0x0000000005996000-memory.dmp

      Filesize

      408KB

    • memory/1692-0-0x00000000744AE000-0x00000000744AF000-memory.dmp

      Filesize

      4KB

    • memory/1692-4-0x0000000005200000-0x0000000005222000-memory.dmp

      Filesize

      136KB

    • memory/1692-3-0x0000000005300000-0x0000000005928000-memory.dmp

      Filesize

      6.2MB

    • memory/1692-2-0x00000000744A0000-0x0000000074C50000-memory.dmp

      Filesize

      7.7MB

    • memory/1692-1-0x0000000004BE0000-0x0000000004C16000-memory.dmp

      Filesize

      216KB

    • memory/2384-140-0x0000000070520000-0x0000000070874000-memory.dmp

      Filesize

      3.3MB

    • memory/2384-138-0x0000000005F00000-0x0000000005F4C000-memory.dmp

      Filesize

      304KB

    • memory/2384-152-0x0000000005830000-0x0000000005844000-memory.dmp

      Filesize

      80KB

    • memory/2384-151-0x0000000007360000-0x0000000007371000-memory.dmp

      Filesize

      68KB

    • memory/2384-150-0x0000000006FD0000-0x0000000007073000-memory.dmp

      Filesize

      652KB

    • memory/2384-139-0x00000000703A0000-0x00000000703EC000-memory.dmp

      Filesize

      304KB

    • memory/2384-136-0x0000000005930000-0x0000000005C84000-memory.dmp

      Filesize

      3.3MB

    • memory/2632-89-0x0000000070A10000-0x0000000070D64000-memory.dmp

      Filesize

      3.3MB

    • memory/2632-88-0x0000000070440000-0x000000007048C000-memory.dmp

      Filesize

      304KB

    • memory/2632-86-0x0000000005950000-0x0000000005CA4000-memory.dmp

      Filesize

      3.3MB

    • memory/3556-177-0x0000000007960000-0x0000000007A03000-memory.dmp

      Filesize

      652KB

    • memory/3556-178-0x0000000007C90000-0x0000000007CA1000-memory.dmp

      Filesize

      68KB

    • memory/3556-179-0x0000000006540000-0x0000000006554000-memory.dmp

      Filesize

      80KB

    • memory/3556-167-0x0000000070A50000-0x0000000070DA4000-memory.dmp

      Filesize

      3.3MB

    • memory/3556-166-0x00000000702C0000-0x000000007030C000-memory.dmp

      Filesize

      304KB

    • memory/3556-165-0x00000000067C0000-0x000000000680C000-memory.dmp

      Filesize

      304KB

    • memory/3556-163-0x0000000006070000-0x00000000063C4000-memory.dmp

      Filesize

      3.3MB

    • memory/5132-111-0x0000000070440000-0x000000007048C000-memory.dmp

      Filesize

      304KB

    • memory/5132-112-0x0000000070C00000-0x0000000070F54000-memory.dmp

      Filesize

      3.3MB

    • memory/5132-109-0x0000000005520000-0x0000000005874000-memory.dmp

      Filesize

      3.3MB

    • memory/5408-190-0x0000000005C10000-0x0000000005F64000-memory.dmp

      Filesize

      3.3MB

    • memory/5408-193-0x0000000070440000-0x0000000070794000-memory.dmp

      Filesize

      3.3MB

    • memory/5408-192-0x00000000702C0000-0x000000007030C000-memory.dmp

      Filesize

      304KB

    • memory/5840-71-0x00000000075E0000-0x0000000007683000-memory.dmp

      Filesize

      652KB

    • memory/5840-72-0x0000000007930000-0x0000000007941000-memory.dmp

      Filesize

      68KB

    • memory/5840-73-0x0000000007980000-0x0000000007994000-memory.dmp

      Filesize

      80KB

    • memory/5840-59-0x00000000064A0000-0x00000000064EC000-memory.dmp

      Filesize

      304KB

    • memory/5840-61-0x00000000705C0000-0x0000000070914000-memory.dmp

      Filesize

      3.3MB

    • memory/5840-60-0x0000000070440000-0x000000007048C000-memory.dmp

      Filesize

      304KB

    • memory/5840-58-0x0000000006040000-0x0000000006394000-memory.dmp

      Filesize

      3.3MB