Resubmissions

21-10-2024 03:40

241021-d78e5ayclm 10

21-10-2024 03:35

241021-d5ep2aybjn 8

Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-10-2024 03:35

General

  • Target

    お見積り依頼.exe

  • Size

    560KB

  • MD5

    6489c2a2edb54bb6564df9cb218edf05

  • SHA1

    cf9ea9f4973f9b438f9dedbec8a714b78611c84b

  • SHA256

    3af41da6cc3321fb4954e35e6f2f13ed7c2cc547f43eb1b9a2cfd4ed9d38c344

  • SHA512

    7ab3e215ff9d8330bac168e5f60fd91e270ebbcd4fab027e2bc749d6fd7966a56a495daf9113e550830ec4ca66543c2de22fef363bdc9fa66ffe356d8976feb6

  • SSDEEP

    12288:yfAgXkhMOoltiJirLMW6diPxsElSiiGiLaD8Lbu:wkh5oDiJgLMWtxIaD8H

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.

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • 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.

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\お見積り依頼.exe
    "C:\Users\Admin\AppData\Local\Temp\お見積り依頼.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:748
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\お見積り依頼.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2500
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 748 -s 1244
      2⤵
      • Program crash
      PID:2060
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 748 -ip 748
    1⤵
      PID:2700

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_c5qpekfk.qtg.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/748-1-0x00000000008F0000-0x0000000000982000-memory.dmp

      Filesize

      584KB

    • memory/748-2-0x0000000005920000-0x0000000005EC4000-memory.dmp

      Filesize

      5.6MB

    • memory/748-3-0x0000000005370000-0x0000000005402000-memory.dmp

      Filesize

      584KB

    • memory/748-4-0x0000000005540000-0x0000000005894000-memory.dmp

      Filesize

      3.3MB

    • memory/748-5-0x0000000074740000-0x0000000074EF0000-memory.dmp

      Filesize

      7.7MB

    • memory/748-6-0x0000000005470000-0x000000000547A000-memory.dmp

      Filesize

      40KB

    • memory/748-7-0x0000000005FC0000-0x000000000605C000-memory.dmp

      Filesize

      624KB

    • memory/748-8-0x0000000006990000-0x00000000069AC000-memory.dmp

      Filesize

      112KB

    • memory/748-9-0x000000007474E000-0x000000007474F000-memory.dmp

      Filesize

      4KB

    • memory/748-10-0x0000000074740000-0x0000000074EF0000-memory.dmp

      Filesize

      7.7MB

    • memory/748-11-0x0000000006C50000-0x0000000006CB8000-memory.dmp

      Filesize

      416KB

    • memory/748-31-0x0000000074740000-0x0000000074EF0000-memory.dmp

      Filesize

      7.7MB

    • memory/748-0-0x000000007474E000-0x000000007474F000-memory.dmp

      Filesize

      4KB

    • memory/2500-15-0x0000000004F00000-0x0000000004F22000-memory.dmp

      Filesize

      136KB

    • memory/2500-44-0x0000000074740000-0x0000000074EF0000-memory.dmp

      Filesize

      7.7MB

    • memory/2500-17-0x0000000005790000-0x00000000057F6000-memory.dmp

      Filesize

      408KB

    • memory/2500-16-0x0000000005720000-0x0000000005786000-memory.dmp

      Filesize

      408KB

    • memory/2500-24-0x0000000074740000-0x0000000074EF0000-memory.dmp

      Filesize

      7.7MB

    • memory/2500-13-0x0000000004F80000-0x00000000055A8000-memory.dmp

      Filesize

      6.2MB

    • memory/2500-14-0x0000000074740000-0x0000000074EF0000-memory.dmp

      Filesize

      7.7MB

    • memory/2500-29-0x0000000005EA0000-0x0000000005EBE000-memory.dmp

      Filesize

      120KB

    • memory/2500-30-0x0000000005ED0000-0x0000000005F1C000-memory.dmp

      Filesize

      304KB

    • memory/2500-12-0x0000000004910000-0x0000000004946000-memory.dmp

      Filesize

      216KB

    • memory/2500-33-0x000000006EE50000-0x000000006EE9C000-memory.dmp

      Filesize

      304KB

    • memory/2500-32-0x0000000007060000-0x0000000007092000-memory.dmp

      Filesize

      200KB

    • memory/2500-43-0x0000000006460000-0x000000000647E000-memory.dmp

      Filesize

      120KB

    • memory/2500-18-0x0000000074740000-0x0000000074EF0000-memory.dmp

      Filesize

      7.7MB

    • memory/2500-45-0x0000000074740000-0x0000000074EF0000-memory.dmp

      Filesize

      7.7MB

    • memory/2500-46-0x00000000070A0000-0x0000000007143000-memory.dmp

      Filesize

      652KB

    • memory/2500-47-0x0000000007820000-0x0000000007E9A000-memory.dmp

      Filesize

      6.5MB

    • memory/2500-48-0x00000000071D0000-0x00000000071EA000-memory.dmp

      Filesize

      104KB

    • memory/2500-49-0x0000000007250000-0x000000000725A000-memory.dmp

      Filesize

      40KB

    • memory/2500-50-0x0000000007450000-0x00000000074E6000-memory.dmp

      Filesize

      600KB

    • memory/2500-51-0x00000000073D0000-0x00000000073E1000-memory.dmp

      Filesize

      68KB

    • memory/2500-52-0x0000000007400000-0x000000000740E000-memory.dmp

      Filesize

      56KB

    • memory/2500-53-0x0000000007410000-0x0000000007424000-memory.dmp

      Filesize

      80KB

    • memory/2500-54-0x0000000007510000-0x000000000752A000-memory.dmp

      Filesize

      104KB

    • memory/2500-55-0x00000000074F0000-0x00000000074F8000-memory.dmp

      Filesize

      32KB

    • memory/2500-58-0x0000000074740000-0x0000000074EF0000-memory.dmp

      Filesize

      7.7MB