Analysis

  • max time kernel
    104s
  • max time network
    107s
  • 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, 08:17

General

  • Target

    5bf4ad02ab57cae2a6ba5a1de38a60b09b276da19f8e19b2f00a166eca193e71N.exe

  • Size

    5.8MB

  • MD5

    a309dd870ce8f6c413c53fb6ad7282f0

  • SHA1

    bf1ef29145ce21dfdc0aa328621805f0af806da5

  • SHA256

    5bf4ad02ab57cae2a6ba5a1de38a60b09b276da19f8e19b2f00a166eca193e71

  • SHA512

    4b61a9087ebefb65016d3a56dcba5018124ad4903d34ed9cb918c9340c89ffdcb4523c2ea97f48c5a4215df6ec2b23c02c5556cfa13d47d90d2cc33a2219f00b

  • SSDEEP

    98304:aWSdjmMgDQsEeaHMNKWJXFNvBpqjD3E3gQPN4jK2sR7EWKEXnHozQIMuyraeKFwd:CmM3lH32LvBpqnE3KI79nXHorIraekwd

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\5bf4ad02ab57cae2a6ba5a1de38a60b09b276da19f8e19b2f00a166eca193e71N.exe
    "C:\Users\Admin\AppData\Local\Temp\5bf4ad02ab57cae2a6ba5a1de38a60b09b276da19f8e19b2f00a166eca193e71N.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1980
    • 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:4584
    • C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /create /tn Conventer /tr "C:\Users\Admin\AppData\Local\Temp\Conventer.exe\SeedPhrase Converter.exe" /st 08:22 /du 23:59 /sc daily /ri 1 /f
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1492
    • 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:4328
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp66C8.tmp.cmd""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2064
      • C:\Windows\SysWOW64\timeout.exe
        timeout 6
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:3740

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

          6.4MB

          MD5

          5a9bd6c65a5a08c3837692d846bd34b3

          SHA1

          68b051b4a724d0c1aa8b4d01fcc56b13eb62c688

          SHA256

          e0f276fd8e51bacaffe9acb2c2c0c31fd0fd4e2a202990627715c33496373ad5

          SHA512

          cf431d058103e3b976e1f7f15b381ee9b69a65b6ad262732aeb7b5c1cba3f24c3b5b6bbb6f8f6cb1c9aaa1334b936db7d0d22966ccdc1e0fbf1dba0303b3b657

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_x2vhsb0h.5sp.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • C:\Users\Admin\AppData\Local\Temp\tmp66C8.tmp.cmd

          Filesize

          217B

          MD5

          812a2f426fc6c244e78782b79c7306de

          SHA1

          77f040326c8ee35eb28f017042424478f8076403

          SHA256

          53cb2fd0fc5130db1b7359a8bc4b1cad8c326fa1d5d7feb44ec2813004496a90

          SHA512

          cdfc70edb2714efd949a0bec02c975470c0f0f026b3621dff5e1cf222083ad89182016b78deaa214bc0abe03833ef5cd46dec9e07aec0d7d1f9fbd74488cf2aa

        • memory/1980-1-0x0000000000640000-0x000000000065C000-memory.dmp

          Filesize

          112KB

        • memory/1980-2-0x00000000056F0000-0x0000000005C94000-memory.dmp

          Filesize

          5.6MB

        • memory/1980-3-0x0000000005050000-0x00000000050E2000-memory.dmp

          Filesize

          584KB

        • memory/1980-0-0x0000000074E5E000-0x0000000074E5F000-memory.dmp

          Filesize

          4KB

        • memory/4328-37-0x0000000074E50000-0x0000000075600000-memory.dmp

          Filesize

          7.7MB

        • memory/4328-69-0x0000000074E50000-0x0000000075600000-memory.dmp

          Filesize

          7.7MB

        • memory/4328-43-0x0000000005680000-0x000000000568A000-memory.dmp

          Filesize

          40KB

        • memory/4584-20-0x0000000004C30000-0x0000000004C96000-memory.dmp

          Filesize

          408KB

        • memory/4584-56-0x0000000006B50000-0x0000000006BF3000-memory.dmp

          Filesize

          652KB

        • memory/4584-34-0x00000000055A0000-0x00000000058F4000-memory.dmp

          Filesize

          3.3MB

        • memory/4584-22-0x0000000005530000-0x0000000005596000-memory.dmp

          Filesize

          408KB

        • memory/4584-18-0x0000000074E50000-0x0000000075600000-memory.dmp

          Filesize

          7.7MB

        • memory/4584-19-0x0000000004B90000-0x0000000004BB2000-memory.dmp

          Filesize

          136KB

        • memory/4584-9-0x0000000074E50000-0x0000000075600000-memory.dmp

          Filesize

          7.7MB

        • memory/4584-41-0x0000000005B50000-0x0000000005B6E000-memory.dmp

          Filesize

          120KB

        • memory/4584-42-0x0000000005B80000-0x0000000005BCC000-memory.dmp

          Filesize

          304KB

        • memory/4584-10-0x0000000004D10000-0x0000000005338000-memory.dmp

          Filesize

          6.2MB

        • memory/4584-44-0x0000000006110000-0x0000000006142000-memory.dmp

          Filesize

          200KB

        • memory/4584-45-0x0000000072630000-0x000000007267C000-memory.dmp

          Filesize

          304KB

        • memory/4584-55-0x0000000006150000-0x000000000616E000-memory.dmp

          Filesize

          120KB

        • memory/4584-27-0x0000000074E50000-0x0000000075600000-memory.dmp

          Filesize

          7.7MB

        • memory/4584-57-0x00000000074C0000-0x0000000007B3A000-memory.dmp

          Filesize

          6.5MB

        • memory/4584-58-0x0000000006E70000-0x0000000006E8A000-memory.dmp

          Filesize

          104KB

        • memory/4584-59-0x0000000006EE0000-0x0000000006EEA000-memory.dmp

          Filesize

          40KB

        • memory/4584-60-0x00000000070F0000-0x0000000007186000-memory.dmp

          Filesize

          600KB

        • memory/4584-61-0x0000000007070000-0x0000000007081000-memory.dmp

          Filesize

          68KB

        • memory/4584-62-0x00000000070A0000-0x00000000070AE000-memory.dmp

          Filesize

          56KB

        • memory/4584-63-0x00000000070B0000-0x00000000070C4000-memory.dmp

          Filesize

          80KB

        • memory/4584-64-0x00000000071B0000-0x00000000071CA000-memory.dmp

          Filesize

          104KB

        • memory/4584-65-0x0000000007190000-0x0000000007198000-memory.dmp

          Filesize

          32KB

        • memory/4584-68-0x0000000074E50000-0x0000000075600000-memory.dmp

          Filesize

          7.7MB

        • memory/4584-8-0x0000000004580000-0x00000000045B6000-memory.dmp

          Filesize

          216KB