Analysis

  • max time kernel
    147s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20250207-en
  • resource tags

    arch:x64arch:x86image:win7-20250207-enlocale:en-usos:windows7-x64system
  • submitted
    12-02-2025 19:39

General

  • Target

    47cdb0d722e27e4a42940e9d32cfb8ad37d55f5bfcba833e007014c1a7909dfb.exe

  • Size

    3.7MB

  • MD5

    e66a5f604eeb063f2d72bd673300e002

  • SHA1

    2b2569a0efe32964ae5a908fc3b0662d387835f5

  • SHA256

    47cdb0d722e27e4a42940e9d32cfb8ad37d55f5bfcba833e007014c1a7909dfb

  • SHA512

    275fb55c22070a9eaf7220f0cb2a30720ca6f3f4ea7a97915b7af180b7c823d99d6a74a5f48409aeda52ed4e92667d5b595a40cb2f17c6fc00cc7870bec15082

  • SSDEEP

    98304:Zspwe8EpfdMgg3vrdkiDy2q5mIi3kI9KHe/Rz:zEpfOhTLe2q5mV3kE

Malware Config

Extracted

Family

cryptbot

C2

http://home.elvnjj1sr.top/pekvtmslVrBVfMWtJqVA17

Signatures

  • CryptBot

    CryptBot is a C++ stealer distributed widely in bundle with other software.

  • Cryptbot family
  • Enumerates VirtualBox registry keys 2 TTPs 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell and hide display window.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 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 1 IoCs
  • Embeds OpenSSL 1 IoCs

    Embeds OpenSSL, may be used to circumvent TLS interception.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 48 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 44 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\47cdb0d722e27e4a42940e9d32cfb8ad37d55f5bfcba833e007014c1a7909dfb.exe
    "C:\Users\Admin\AppData\Local\Temp\47cdb0d722e27e4a42940e9d32cfb8ad37d55f5bfcba833e007014c1a7909dfb.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2076
    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\VC_redist.x86.exe
      "C:\Users\Admin\AppData\Local\Temp\RarSFX0\VC_redist.x86.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1128
    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\VC_redist.x64.exe
      "C:\Users\Admin\AppData\Local\Temp\RarSFX0\VC_redist.x64.exe"
      2⤵
      • Enumerates VirtualBox registry keys
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:7736
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {B05A0463-13B4-4852-B154-A91F94D68823} S-1-5-21-677481364-2238709445-1347953534-1000:JXXXDSWS\Admin:S4U:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:7568
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -ExecutionPolicy Bypass -WindowStyle Hidden -NoProfile -enc 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
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:7600
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {3496869C-5BD0-4E42-9FB0-9303B5B1C3E2} S-1-5-21-677481364-2238709445-1347953534-1000:JXXXDSWS\Admin:Interactive:[1]
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:7864
    • C:\Users\Admin\AppData\Roaming\PermissionSet\Method.exe
      C:\Users\Admin\AppData\Roaming\PermissionSet\Method.exe
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:7900
      • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegSvcs.exe
        C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegSvcs.exe
        3⤵
          PID:7784
        • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegSvcs.exe
          C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegSvcs.exe
          3⤵
            PID:7772
          • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegSvcs.exe
            C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegSvcs.exe
            3⤵
              PID:7792
            • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegSvcs.exe
              C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegSvcs.exe
              3⤵
                PID:7812
              • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegSvcs.exe
                C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegSvcs.exe
                3⤵
                  PID:7396
                • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegSvcs.exe
                  C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegSvcs.exe
                  3⤵
                    PID:7412
                  • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegSvcs.exe
                    C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegSvcs.exe
                    3⤵
                      PID:7400
                    • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegSvcs.exe
                      C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegSvcs.exe
                      3⤵
                        PID:7392
                      • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegSvcs.exe
                        C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegSvcs.exe
                        3⤵
                          PID:7824
                        • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegSvcs.exe
                          C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegSvcs.exe
                          3⤵
                            PID:7836

                      Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      • \Users\Admin\AppData\Local\Temp\RarSFX0\VC_redist.x64.exe

                        Filesize

                        8.2MB

                        MD5

                        95a8e03433879dc9bbe059a6f8ba3f5c

                        SHA1

                        9b15abecbc64573f9709847e22c2006a2bfec327

                        SHA256

                        c09055cde3e0d6c5ebad2cf79f3e735c3ce5f5ded864130098fe2c4165b99fa1

                        SHA512

                        3d1d9c0e77085258bfb834ca5d65e6aaad3a3a3a426cda50f2a6b99ad03c65b83f25a853a3a8c900aa01fe17e0a741b73bf20364006d1a16a5c21356095c49c5

                      • \Users\Admin\AppData\Local\Temp\RarSFX0\VC_redist.x86.exe

                        Filesize

                        626KB

                        MD5

                        abab3febb6ef9c10eb9ecdbebbbc128c

                        SHA1

                        cda81cd8994098f779de7e1510049daf667fb844

                        SHA256

                        7614eb6c0d335ac226aec01e855d50c683d9b18529dfc066e51b3163c5f54f3d

                        SHA512

                        855993982c0660f85ac53defd959f56d912897b5f67afb673dfbf4c1b984abf81ba198ed22553c2aa94f239bcd40e45f7400a7c8c87e79f316f7496cd231db9c

                      • memory/1128-43-0x000000001B470000-0x000000001B563000-memory.dmp

                        Filesize

                        972KB

                      • memory/1128-21-0x000000001B470000-0x000000001B563000-memory.dmp

                        Filesize

                        972KB

                      • memory/1128-15-0x000007FEF5D90000-0x000007FEF677C000-memory.dmp

                        Filesize

                        9.9MB

                      • memory/1128-61-0x000000001B470000-0x000000001B563000-memory.dmp

                        Filesize

                        972KB

                      • memory/1128-63-0x000000001B470000-0x000000001B563000-memory.dmp

                        Filesize

                        972KB

                      • memory/1128-79-0x000000001B470000-0x000000001B563000-memory.dmp

                        Filesize

                        972KB

                      • memory/1128-77-0x000000001B470000-0x000000001B563000-memory.dmp

                        Filesize

                        972KB

                      • memory/1128-75-0x000000001B470000-0x000000001B563000-memory.dmp

                        Filesize

                        972KB

                      • memory/1128-71-0x000000001B470000-0x000000001B563000-memory.dmp

                        Filesize

                        972KB

                      • memory/1128-69-0x000000001B470000-0x000000001B563000-memory.dmp

                        Filesize

                        972KB

                      • memory/1128-67-0x000000001B470000-0x000000001B563000-memory.dmp

                        Filesize

                        972KB

                      • memory/1128-65-0x000000001B470000-0x000000001B563000-memory.dmp

                        Filesize

                        972KB

                      • memory/1128-59-0x000000001B470000-0x000000001B563000-memory.dmp

                        Filesize

                        972KB

                      • memory/1128-57-0x000000001B470000-0x000000001B563000-memory.dmp

                        Filesize

                        972KB

                      • memory/1128-55-0x000000001B470000-0x000000001B563000-memory.dmp

                        Filesize

                        972KB

                      • memory/1128-54-0x000000001B470000-0x000000001B563000-memory.dmp

                        Filesize

                        972KB

                      • memory/1128-51-0x000000001B470000-0x000000001B563000-memory.dmp

                        Filesize

                        972KB

                      • memory/1128-49-0x000000001B470000-0x000000001B563000-memory.dmp

                        Filesize

                        972KB

                      • memory/1128-47-0x000000001B470000-0x000000001B563000-memory.dmp

                        Filesize

                        972KB

                      • memory/1128-2621-0x0000000000550000-0x000000000059C000-memory.dmp

                        Filesize

                        304KB

                      • memory/1128-2620-0x0000000000710000-0x0000000000766000-memory.dmp

                        Filesize

                        344KB

                      • memory/1128-45-0x000000001B470000-0x000000001B563000-memory.dmp

                        Filesize

                        972KB

                      • memory/1128-13-0x00000000008E0000-0x0000000000982000-memory.dmp

                        Filesize

                        648KB

                      • memory/1128-12-0x000007FEF5D93000-0x000007FEF5D94000-memory.dmp

                        Filesize

                        4KB

                      • memory/1128-35-0x000000001B470000-0x000000001B563000-memory.dmp

                        Filesize

                        972KB

                      • memory/1128-39-0x000000001B470000-0x000000001B563000-memory.dmp

                        Filesize

                        972KB

                      • memory/1128-37-0x000000001B470000-0x000000001B563000-memory.dmp

                        Filesize

                        972KB

                      • memory/1128-42-0x000000001B470000-0x000000001B563000-memory.dmp

                        Filesize

                        972KB

                      • memory/1128-33-0x000000001B470000-0x000000001B563000-memory.dmp

                        Filesize

                        972KB

                      • memory/1128-31-0x000000001B470000-0x000000001B563000-memory.dmp

                        Filesize

                        972KB

                      • memory/1128-29-0x000000001B470000-0x000000001B563000-memory.dmp

                        Filesize

                        972KB

                      • memory/1128-27-0x000000001B470000-0x000000001B563000-memory.dmp

                        Filesize

                        972KB

                      • memory/1128-25-0x000000001B470000-0x000000001B563000-memory.dmp

                        Filesize

                        972KB

                      • memory/1128-23-0x000000001B470000-0x000000001B563000-memory.dmp

                        Filesize

                        972KB

                      • memory/1128-14-0x000000001B470000-0x000000001B568000-memory.dmp

                        Filesize

                        992KB

                      • memory/1128-19-0x000000001B470000-0x000000001B563000-memory.dmp

                        Filesize

                        972KB

                      • memory/1128-17-0x000000001B470000-0x000000001B563000-memory.dmp

                        Filesize

                        972KB

                      • memory/1128-16-0x000000001B470000-0x000000001B563000-memory.dmp

                        Filesize

                        972KB

                      • memory/1128-2622-0x0000000000AD0000-0x0000000000B24000-memory.dmp

                        Filesize

                        336KB

                      • memory/1128-2627-0x000007FEF5D93000-0x000007FEF5D94000-memory.dmp

                        Filesize

                        4KB

                      • memory/1128-2633-0x000007FEF5D90000-0x000007FEF677C000-memory.dmp

                        Filesize

                        9.9MB

                      • memory/1128-73-0x000000001B470000-0x000000001B563000-memory.dmp

                        Filesize

                        972KB

                      • memory/1128-2630-0x000007FEF5D90000-0x000007FEF677C000-memory.dmp

                        Filesize

                        9.9MB

                      • memory/7600-2628-0x000000001A2D0000-0x000000001A5B2000-memory.dmp

                        Filesize

                        2.9MB

                      • memory/7600-2629-0x0000000000E30000-0x0000000000E38000-memory.dmp

                        Filesize

                        32KB

                      • memory/7900-2653-0x0000000000FB0000-0x0000000001052000-memory.dmp

                        Filesize

                        648KB

                      • memory/7900-5258-0x000000001B270000-0x000000001B2C4000-memory.dmp

                        Filesize

                        336KB