Analysis

  • max time kernel
    93s
  • max time network
    94s
  • 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, 21:46

General

  • Target

    2459850e688ccd548b5e7274f8ce714fa596a0ca7464ddc7592199d134d0d8efN.exe

  • Size

    5.2MB

  • MD5

    1ec58a38427967342f4b46c3831e4d40

  • SHA1

    ad7d51c9f3bac8aad7967702e95ea80c963d7cd4

  • SHA256

    2459850e688ccd548b5e7274f8ce714fa596a0ca7464ddc7592199d134d0d8ef

  • SHA512

    2d4cbe9f3515f0769aa45263a9b4faacc97785f3955d00dfe4ec5eb79890c7eed06862fa0c4e23ef8394fe1a9462d1763a72bb8a03c4f3beaa4e65810ee3ac53

  • SSDEEP

    98304:wxhtYrUqNd6Px5RrtcZmZYZT/UHZxUSa1xJKyWYoM+0ycJOVWIVj0:wJEUqNd6Px5RRcsYZT/yv7yDPyeWrw

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\2459850e688ccd548b5e7274f8ce714fa596a0ca7464ddc7592199d134d0d8efN.exe
    "C:\Users\Admin\AppData\Local\Temp\2459850e688ccd548b5e7274f8ce714fa596a0ca7464ddc7592199d134d0d8efN.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2588
    • 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:4628
    • C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /create /tn Conventer /tr "C:\Users\Admin\AppData\Local\Temp\Conventer.exe\SeedPhrase Converter.exe" /st 21:51 /du 23:59 /sc daily /ri 1 /f
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1208
    • 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:2628
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpB2D5.tmp.cmd""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1604
      • C:\Windows\SysWOW64\timeout.exe
        timeout 6
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:4368

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          5.8MB

          MD5

          6ee0d8be4ce54edad0392a908c5dd886

          SHA1

          a430499e4fdfed31a891807f8ecf4576332e3199

          SHA256

          26a34028d20f7431481d5bd12ec18f5cfedcf930963c0382fec4d01716faac10

          SHA512

          b107a6e22f5a697b8ea3034298d2945035728786e64d1318929d6757b4b0e2ae63165899069bbf7d7ebf894828265943bc34f4b45614137c510425ff30623261

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_wjmwuizu.re3.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • C:\Users\Admin\AppData\Local\Temp\tmpB2D5.tmp.cmd

          Filesize

          217B

          MD5

          e53a036eab09c7f8462f2e89d240c695

          SHA1

          465c5ed26b78f4186618c90940251191aff076a3

          SHA256

          c6f7a2791b6bebc3ab0f55da620ca657f73cd07e88f80075195e80e3549209a5

          SHA512

          1d2fac06b74afb42de197faea5e1529f6ed9ae7d58ff9cca4a50d6de94d8ffc1178a8aae6f04785604d8370054be03a6f04e44c86c0fdf4e3e12bda152ec7452

        • memory/2588-1-0x0000000000FB0000-0x0000000000FCC000-memory.dmp

          Filesize

          112KB

        • memory/2588-2-0x0000000005FA0000-0x0000000006544000-memory.dmp

          Filesize

          5.6MB

        • memory/2588-3-0x00000000059F0000-0x0000000005A82000-memory.dmp

          Filesize

          584KB

        • memory/2588-0-0x0000000074BFE000-0x0000000074BFF000-memory.dmp

          Filesize

          4KB

        • memory/2628-39-0x0000000074BF0000-0x00000000753A0000-memory.dmp

          Filesize

          7.7MB

        • memory/2628-69-0x0000000074BF0000-0x00000000753A0000-memory.dmp

          Filesize

          7.7MB

        • memory/2628-43-0x0000000006550000-0x000000000655A000-memory.dmp

          Filesize

          40KB

        • memory/4628-21-0x0000000074BF0000-0x00000000753A0000-memory.dmp

          Filesize

          7.7MB

        • memory/4628-56-0x0000000006ED0000-0x0000000006F73000-memory.dmp

          Filesize

          652KB

        • memory/4628-12-0x0000000004C20000-0x0000000004C42000-memory.dmp

          Filesize

          136KB

        • memory/4628-31-0x00000000056E0000-0x0000000005A34000-memory.dmp

          Filesize

          3.3MB

        • memory/4628-20-0x0000000004E30000-0x0000000004E96000-memory.dmp

          Filesize

          408KB

        • memory/4628-30-0x0000000074BF0000-0x00000000753A0000-memory.dmp

          Filesize

          7.7MB

        • memory/4628-9-0x0000000074BF0000-0x00000000753A0000-memory.dmp

          Filesize

          7.7MB

        • memory/4628-41-0x0000000005CD0000-0x0000000005CEE000-memory.dmp

          Filesize

          120KB

        • memory/4628-42-0x00000000062F0000-0x000000000633C000-memory.dmp

          Filesize

          304KB

        • memory/4628-10-0x0000000004F80000-0x00000000055A8000-memory.dmp

          Filesize

          6.2MB

        • memory/4628-44-0x00000000062B0000-0x00000000062E2000-memory.dmp

          Filesize

          200KB

        • memory/4628-45-0x00000000724E0000-0x000000007252C000-memory.dmp

          Filesize

          304KB

        • memory/4628-55-0x0000000006200000-0x000000000621E000-memory.dmp

          Filesize

          120KB

        • memory/4628-19-0x0000000004DC0000-0x0000000004E26000-memory.dmp

          Filesize

          408KB

        • memory/4628-57-0x0000000007630000-0x0000000007CAA000-memory.dmp

          Filesize

          6.5MB

        • memory/4628-58-0x0000000006FF0000-0x000000000700A000-memory.dmp

          Filesize

          104KB

        • memory/4628-59-0x0000000007060000-0x000000000706A000-memory.dmp

          Filesize

          40KB

        • memory/4628-60-0x0000000007270000-0x0000000007306000-memory.dmp

          Filesize

          600KB

        • memory/4628-61-0x00000000071F0000-0x0000000007201000-memory.dmp

          Filesize

          68KB

        • memory/4628-62-0x0000000007220000-0x000000000722E000-memory.dmp

          Filesize

          56KB

        • memory/4628-63-0x0000000007230000-0x0000000007244000-memory.dmp

          Filesize

          80KB

        • memory/4628-64-0x0000000007330000-0x000000000734A000-memory.dmp

          Filesize

          104KB

        • memory/4628-65-0x0000000007310000-0x0000000007318000-memory.dmp

          Filesize

          32KB

        • memory/4628-68-0x0000000074BF0000-0x00000000753A0000-memory.dmp

          Filesize

          7.7MB

        • memory/4628-6-0x0000000002390000-0x00000000023C6000-memory.dmp

          Filesize

          216KB