Analysis

  • max time kernel
    104s
  • max time network
    111s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/11/2024, 08:03

General

  • Target

    bcf735aa4788ed01a8c0b2f3b71bdccfcfa1f7965d772c82197cc32fb8f7805cN.exe

  • Size

    3.9MB

  • MD5

    5adb2a353e5d54d267e084de41f63310

  • SHA1

    59b62e1159bdc14a58eecff61d4045b634a51374

  • SHA256

    bcf735aa4788ed01a8c0b2f3b71bdccfcfa1f7965d772c82197cc32fb8f7805c

  • SHA512

    453b5c61247a0d01d0bf3108532691a6534611460a4ca6483d73e2391b17d1491e342e0f6544b566de526cf6226de6838a133f9788bef3b034b66f89807e71a6

  • SSDEEP

    98304:wxhtYrUqNd6Px5RrtcZmZYZT/UHZxUSa1xJKA:wJEUqNd6Px5RRcsYZT/yv7A

Score
8/10

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bcf735aa4788ed01a8c0b2f3b71bdccfcfa1f7965d772c82197cc32fb8f7805cN.exe
    "C:\Users\Admin\AppData\Local\Temp\bcf735aa4788ed01a8c0b2f3b71bdccfcfa1f7965d772c82197cc32fb8f7805cN.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2480
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\Conventer.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3804
    • C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /create /tn Conventer /tr "C:\Users\Admin\AppData\Local\Temp\Conventer.exe\SeedPhrase Converter.exe" /st 08:08 /du 23:59 /sc daily /ri 1 /f
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:4060
    • C:\Users\Admin\AppData\Local\Temp\Conventer.exe\SeedPhrase Converter.exe
      "C:\Users\Admin\AppData\Local\Temp\Conventer.exe\SeedPhrase Converter.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of AdjustPrivilegeToken
      PID:716
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpB3BF.tmp.cmd""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:640
      • C:\Windows\SysWOW64\timeout.exe
        timeout 6
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:4616

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\Conventer.exe\SeedPhrase Converter.exe

          Filesize

          4.5MB

          MD5

          d30c0f766318fae8aebf63ea2c781351

          SHA1

          e93d198f9ea29a7a83ae42736c2b2b3b4a939987

          SHA256

          50d88e12e7dec5d3d688916f20c8815f93cc238a2103c07b55670202972b58b7

          SHA512

          f4f3d2343a04d17185703add668150b9956b5ea455eb1887f1334926e7891fbb1cfe642d776d1259ebc14dc29c9479b98e1d1f38620e2d0727af4a356d27d3b5

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bcknxofd.zmm.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • C:\Users\Admin\AppData\Local\Temp\tmpB3BF.tmp.cmd

          Filesize

          217B

          MD5

          2b4b589e7e4c636c67e5df7041f90cc2

          SHA1

          4312a8e3fb59e904a887d7844f5cf91633535618

          SHA256

          cbcff3132cb480a630614fa5df31a1686b45f8a516b0d7dadb3ed52495dfc985

          SHA512

          65c1572d3bdd37192191be82f3fba352f04e376e4f136bd0bf9ecf3dad95f986152ca89d80c40f157612f9208b8bcec5a22c58ff4692016a6a02e1b0df4dbca8

        • memory/716-68-0x0000000074740000-0x0000000074EF0000-memory.dmp

          Filesize

          7.7MB

        • memory/716-42-0x00000000064B0000-0x00000000064BA000-memory.dmp

          Filesize

          40KB

        • memory/716-37-0x0000000074740000-0x0000000074EF0000-memory.dmp

          Filesize

          7.7MB

        • memory/2480-1-0x0000000000C90000-0x0000000000CAC000-memory.dmp

          Filesize

          112KB

        • memory/2480-2-0x0000000005CA0000-0x0000000006244000-memory.dmp

          Filesize

          5.6MB

        • memory/2480-3-0x00000000056F0000-0x0000000005782000-memory.dmp

          Filesize

          584KB

        • memory/2480-0-0x000000007474E000-0x000000007474F000-memory.dmp

          Filesize

          4KB

        • memory/3804-40-0x0000000006750000-0x000000000676E000-memory.dmp

          Filesize

          120KB

        • memory/3804-54-0x0000000007720000-0x000000000773E000-memory.dmp

          Filesize

          120KB

        • memory/3804-25-0x0000000005F50000-0x0000000005FB6000-memory.dmp

          Filesize

          408KB

        • memory/3804-20-0x0000000005880000-0x00000000058A2000-memory.dmp

          Filesize

          136KB

        • memory/3804-38-0x00000000062D0000-0x0000000006624000-memory.dmp

          Filesize

          3.3MB

        • memory/3804-12-0x0000000074740000-0x0000000074EF0000-memory.dmp

          Filesize

          7.7MB

        • memory/3804-9-0x0000000074740000-0x0000000074EF0000-memory.dmp

          Filesize

          7.7MB

        • memory/3804-41-0x0000000006790000-0x00000000067DC000-memory.dmp

          Filesize

          304KB

        • memory/3804-10-0x00000000058B0000-0x0000000005ED8000-memory.dmp

          Filesize

          6.2MB

        • memory/3804-43-0x0000000006D20000-0x0000000006D52000-memory.dmp

          Filesize

          200KB

        • memory/3804-44-0x0000000072030000-0x000000007207C000-memory.dmp

          Filesize

          304KB

        • memory/3804-26-0x00000000060F0000-0x0000000006156000-memory.dmp

          Filesize

          408KB

        • memory/3804-55-0x0000000007740000-0x00000000077E3000-memory.dmp

          Filesize

          652KB

        • memory/3804-56-0x00000000080C0000-0x000000000873A000-memory.dmp

          Filesize

          6.5MB

        • memory/3804-57-0x0000000007A80000-0x0000000007A9A000-memory.dmp

          Filesize

          104KB

        • memory/3804-58-0x0000000007AF0000-0x0000000007AFA000-memory.dmp

          Filesize

          40KB

        • memory/3804-59-0x0000000007D00000-0x0000000007D96000-memory.dmp

          Filesize

          600KB

        • memory/3804-60-0x0000000007C80000-0x0000000007C91000-memory.dmp

          Filesize

          68KB

        • memory/3804-61-0x0000000007CB0000-0x0000000007CBE000-memory.dmp

          Filesize

          56KB

        • memory/3804-62-0x0000000007CC0000-0x0000000007CD4000-memory.dmp

          Filesize

          80KB

        • memory/3804-63-0x0000000007DC0000-0x0000000007DDA000-memory.dmp

          Filesize

          104KB

        • memory/3804-64-0x0000000007DA0000-0x0000000007DA8000-memory.dmp

          Filesize

          32KB

        • memory/3804-67-0x0000000074740000-0x0000000074EF0000-memory.dmp

          Filesize

          7.7MB

        • memory/3804-6-0x0000000005190000-0x00000000051C6000-memory.dmp

          Filesize

          216KB