Analysis

  • max time kernel
    94s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/11/2024, 03:49

General

  • Target
    2024-11-07_b4c5da2d9e9767bc6d84a33eeb480a3e_frostygoop_luca-stealer_poet-rat_snatch.exe
  • Size 7.1MB
  • Sample241107-ednpasveke
  • SHA256 902366956f09f5021931f8793b1995fb9b89a0dcc1661e9eef635981fcd7d837
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detects MeshAgent payload 1 IoCs
  • MeshAgent

    MeshAgent is an open source remote access trojan written in C++.

  • Meshagent family
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in System32 directory 64 IoCs
  • Drops file in Program Files directory 6 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

    Using powershell.exe command.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies data under HKEY_USERS 64 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-11-07_b4c5da2d9e9767bc6d84a33eeb480a3e_frostygoop_luca-stealer_poet-rat_snatch.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-11-07_b4c5da2d9e9767bc6d84a33eeb480a3e_frostygoop_luca-stealer_poet-rat_snatch.exe"
    1⤵
    • Checks computer location settings
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:4856
    • C:\Users\Admin\AppData\Roaming\meshagent64-b.exe
      "C:\Users\Admin\AppData\Roaming\meshagent64-b.exe" -fullinstall
      2⤵
      • Sets service image path in registry
      • Executes dropped EXE
      • Drops file in Program Files directory
      PID:3836
  • C:\Program Files\Mesh Agent\MeshAgent.exe
    "C:\Program Files\Mesh Agent\MeshAgent.exe"
    1⤵
    • Executes dropped EXE
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Modifies data under HKEY_USERS
    • Suspicious use of WriteProcessMemory
    PID:2552
    • C:\Windows\System32\wbem\wmic.exe
      wmic SystemEnclosure get ChassisTypes
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4164
    • C:\Windows\system32\wbem\wmic.exe
      wmic os get oslanguage /FORMAT:LIST
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4340
    • C:\Windows\System32\wbem\wmic.exe
      wmic ComputerSystem get PCSystemType /FORMAT:"C:\Windows\system32\wbem\en-US\csv"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2316
    • C:\Windows\system32\wbem\wmic.exe
      wmic os get oslanguage /FORMAT:LIST
      2⤵
        PID:4468
      • C:\Windows\System32\wbem\wmic.exe
        wmic SystemEnclosure get ChassisTypes
        2⤵
          PID:1804
        • C:\Windows\System32\wbem\wmic.exe
          wmic ComputerSystem get PCSystemType /FORMAT:"C:\Windows\system32\wbem\en-US\csv"
          2⤵
            PID:1172
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            powershell -noprofile -nologo -command -
            2⤵
            • Command and Scripting Interpreter: PowerShell
            • Modifies data under HKEY_USERS
            • Suspicious behavior: EnumeratesProcesses
            PID:1580
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            powershell -noprofile -nologo -command -
            2⤵
            • Command and Scripting Interpreter: PowerShell
            • Modifies data under HKEY_USERS
            • Suspicious behavior: EnumeratesProcesses
            PID:2004
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            powershell -noprofile -nologo -command -
            2⤵
            • Drops file in System32 directory
            • Command and Scripting Interpreter: PowerShell
            • Modifies data under HKEY_USERS
            • Suspicious behavior: EnumeratesProcesses
            PID:3656
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            powershell -noprofile -nologo -command -
            2⤵
            • Command and Scripting Interpreter: PowerShell
            • Modifies data under HKEY_USERS
            • Suspicious behavior: EnumeratesProcesses
            PID:1476
          • C:\Windows\system32\cmd.exe
            /c manage-bde -protectors -get C: -Type recoverypassword
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:4048
            • C:\Windows\system32\manage-bde.exe
              manage-bde -protectors -get C: -Type recoverypassword
              3⤵
                PID:1200
            • C:\Windows\system32\cmd.exe
              /c manage-bde -protectors -get F: -Type recoverypassword
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:2088
              • C:\Windows\system32\manage-bde.exe
                manage-bde -protectors -get F: -Type recoverypassword
                3⤵
                  PID:2316

            Network

                  MITRE ATT&CK Enterprise v15

                  Replay Monitor

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                  Downloads

                  MeshAgent.db.tmp

                  • Path C:\Program Files\Mesh Agent\MeshAgent.db.tmp
                  • Size 153KB
                  • SHA256 8f02bb261488df08d70ec692bf7b8df6b65e27a8ca9a3d0a8e751da724e053dd
                  • MD5 SHA1 SHA512 SSDEEP

                  meshagent64-b.exe

                  • Path C:\Users\Admin\AppData\Roaming\meshagent64-b.exe
                  • Size 3.3MB
                  • SHA256 1db625d1b33d9aef595bbf6eb12c457b9ea98c908a6908c40096351ed0e4ad37
                  • MD5 SHA1 SHA512 SSDEEP

                  __PSScriptPolicyTest_2s5lfwmh.nc2.ps1

                  • Path C:\Windows\Temp\__PSScriptPolicyTest_2s5lfwmh.nc2.ps1
                  • Size 60B
                  • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
                  • MD5 SHA1 SHA512

                  powershell.exe.log

                  • Path C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
                  • Size 3KB
                  • SHA256 54e15de2bef9f651d7717e2a336ac6b2ea2b723e6f29d2b153d8fbbc89aef723
                  • MD5 SHA1 SHA512

                  StartupProfileData-Interactive

                  • Path C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
                  • Size 2KB
                  • SHA256 b6c21f224abe907a915aa238df869c96d9a68b8a2358b49e1036ee2412a1259e
                  • MD5 SHA1 SHA512

                  StartupProfileData-Interactive

                  • Path C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
                  • Size 2KB
                  • SHA256 dc17d23bc3a4d857d3f102f6be05710448419d58a44aadb1c7af8cc57c7a19db
                  • MD5 SHA1 SHA512

                  StartupProfileData-Interactive

                  • Path C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
                  • Size 2KB
                  • SHA256 86cd6b95819282eee4bd6c900b27ebeddf453a90a9f6147978e9137479f36bd6
                  • MD5 SHA1 SHA512

                  memory/1476-133-0x000002C23FB30000-0x000002C23FB5A000-memory.dmp

                  memory/1476-134-0x000002C23FB30000-0x000002C23FB54000-memory.dmp

                  memory/1476-132-0x000002C23FA70000-0x000002C23FB25000-memory.dmp

                  memory/1580-49-0x000002AAFA440000-0x000002AAFA4B6000-memory.dmp

                  memory/1580-48-0x000002AAFA370000-0x000002AAFA3B4000-memory.dmp

                  memory/1580-43-0x000002AAE1540000-0x000002AAE1562000-memory.dmp

                  memory/2004-82-0x000001B550A50000-0x000001B550A5A000-memory.dmp

                  memory/2004-86-0x000001B551820000-0x000001B551828000-memory.dmp

                  memory/2004-87-0x000001B551830000-0x000001B551836000-memory.dmp

                  memory/2004-88-0x000001B5519C0000-0x000001B5519CA000-memory.dmp

                  memory/2004-85-0x000001B5519A0000-0x000001B5519BA000-memory.dmp

                  memory/2004-84-0x000001B550A60000-0x000001B550A6A000-memory.dmp

                  memory/2004-83-0x000001B551980000-0x000001B55199C000-memory.dmp

                  memory/2004-80-0x000001B551800000-0x000001B55181C000-memory.dmp

                  memory/2004-81-0x000001B5518C0000-0x000001B551975000-memory.dmp