Resubmissions

21-10-2024 03:43

241021-d985fawgqf 10

21-10-2024 03:40

241021-d8cd3swfre 8

Analysis

  • max time kernel
    140s
  • max time network
    124s
  • 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 03:40

General

  • Target

    お見積り依頼.exe

  • Size

    560KB

  • MD5

    80b56ae302fea7f0f9e00b63f7ad598b

  • SHA1

    6411184877abfdd8b7743c27ef94e0f257ce1f1d

  • SHA256

    82c8e9440da130cb3c991bfd2b98afbf11fff2be9acd3e56b3107096a11a69e6

  • SHA512

    b08b31671c258ad4d9be77f88e91cecc80ed5e8d0331b8cc4f3cb2af0e130a2b937d74a628d6681125d48581c6743a1d852b5a1143c66c298d54c8e88a369528

  • SSDEEP

    12288:/fATXkhMOoltiJVsxIojON7X4ETsCh/YvMLPVycMnt+giaS1P:Ckh5oDiJexpirB5ybt+8SB

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 6 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:4544
    • 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:1500
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4544 -s 1716
      2⤵
      • Program crash
      PID:336
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4544 -ip 4544
    1⤵
      PID:3524

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4awi3pdj.335.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/1500-47-0x0000000007780000-0x0000000007DFA000-memory.dmp

      Filesize

      6.5MB

    • memory/1500-46-0x0000000006E20000-0x0000000006EC3000-memory.dmp

      Filesize

      652KB

    • memory/1500-58-0x00000000748E0000-0x0000000075090000-memory.dmp

      Filesize

      7.7MB

    • memory/1500-54-0x0000000007480000-0x000000000749A000-memory.dmp

      Filesize

      104KB

    • memory/1500-53-0x0000000007380000-0x0000000007394000-memory.dmp

      Filesize

      80KB

    • memory/1500-52-0x0000000007370000-0x000000000737E000-memory.dmp

      Filesize

      56KB

    • memory/1500-17-0x0000000004EF0000-0x0000000004F56000-memory.dmp

      Filesize

      408KB

    • memory/1500-50-0x00000000073C0000-0x0000000007456000-memory.dmp

      Filesize

      600KB

    • memory/1500-49-0x00000000071B0000-0x00000000071BA000-memory.dmp

      Filesize

      40KB

    • memory/1500-48-0x0000000007140000-0x000000000715A000-memory.dmp

      Filesize

      104KB

    • memory/1500-45-0x00000000748E0000-0x0000000075090000-memory.dmp

      Filesize

      7.7MB

    • memory/1500-13-0x00000000748E0000-0x0000000075090000-memory.dmp

      Filesize

      7.7MB

    • memory/1500-12-0x0000000002520000-0x0000000002556000-memory.dmp

      Filesize

      216KB

    • memory/1500-29-0x0000000005E10000-0x0000000005E2E000-memory.dmp

      Filesize

      120KB

    • memory/1500-15-0x0000000004FA0000-0x00000000055C8000-memory.dmp

      Filesize

      6.2MB

    • memory/1500-16-0x0000000004E50000-0x0000000004E72000-memory.dmp

      Filesize

      136KB

    • memory/1500-18-0x00000000056C0000-0x0000000005726000-memory.dmp

      Filesize

      408KB

    • memory/1500-19-0x00000000748E0000-0x0000000075090000-memory.dmp

      Filesize

      7.7MB

    • memory/1500-55-0x0000000007460000-0x0000000007468000-memory.dmp

      Filesize

      32KB

    • memory/1500-51-0x0000000007340000-0x0000000007351000-memory.dmp

      Filesize

      68KB

    • memory/1500-14-0x00000000748E0000-0x0000000075090000-memory.dmp

      Filesize

      7.7MB

    • memory/1500-30-0x0000000005E40000-0x0000000005E8C000-memory.dmp

      Filesize

      304KB

    • memory/1500-44-0x00000000063C0000-0x00000000063DE000-memory.dmp

      Filesize

      120KB

    • memory/1500-33-0x000000006F040000-0x000000006F08C000-memory.dmp

      Filesize

      304KB

    • memory/1500-32-0x0000000006400000-0x0000000006432000-memory.dmp

      Filesize

      200KB

    • memory/1500-39-0x00000000748E0000-0x0000000075090000-memory.dmp

      Filesize

      7.7MB

    • memory/4544-9-0x00000000748EE000-0x00000000748EF000-memory.dmp

      Filesize

      4KB

    • memory/4544-11-0x00000000071F0000-0x0000000007258000-memory.dmp

      Filesize

      416KB

    • memory/4544-2-0x0000000005E50000-0x00000000063F4000-memory.dmp

      Filesize

      5.6MB

    • memory/4544-0-0x00000000748EE000-0x00000000748EF000-memory.dmp

      Filesize

      4KB

    • memory/4544-10-0x00000000748E0000-0x0000000075090000-memory.dmp

      Filesize

      7.7MB

    • memory/4544-31-0x00000000748E0000-0x0000000075090000-memory.dmp

      Filesize

      7.7MB

    • memory/4544-8-0x0000000006F40000-0x0000000006F5C000-memory.dmp

      Filesize

      112KB

    • memory/4544-5-0x0000000006410000-0x000000000641A000-memory.dmp

      Filesize

      40KB

    • memory/4544-6-0x0000000006530000-0x00000000065CC000-memory.dmp

      Filesize

      624KB

    • memory/4544-7-0x00000000748E0000-0x0000000075090000-memory.dmp

      Filesize

      7.7MB

    • memory/4544-4-0x00000000059E0000-0x0000000005D34000-memory.dmp

      Filesize

      3.3MB

    • memory/4544-1-0x0000000000EA0000-0x0000000000F30000-memory.dmp

      Filesize

      576KB

    • memory/4544-3-0x0000000005940000-0x00000000059D2000-memory.dmp

      Filesize

      584KB