Analysis

  • max time kernel
    140s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-08-2023 17:37

General

  • Target

    534c576dfeaa559db6a1b987fe802d84_mafia_JC.exe

  • Size

    540KB

  • MD5

    534c576dfeaa559db6a1b987fe802d84

  • SHA1

    1574d42d4c8dc3c334c0ce1dc74ce590c6e78f17

  • SHA256

    55987718e6b52db738fdbf5550659279a559d07c53d048ce9c0158cd282f06e5

  • SHA512

    b4a33de6f9f57f4a04f16e1155ba9b1e311ba0420d92297c8799a655a5b150704db8ab6c56473f0f243de79d5e4e1657c0f17638b616ce04a5eaa4eaf74a8f56

  • SSDEEP

    12288:txLzMJ8JozBYfw6z7O90dSatRrT88pnWis8g:txsJ8JoqfzXA03PRTs8g

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\534c576dfeaa559db6a1b987fe802d84_mafia_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\534c576dfeaa559db6a1b987fe802d84_mafia_JC.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:520
    • C:\Users\Admin\AppData\Local\Temp\n1335\s1335.exe
      "C:\Users\Admin\AppData\Local\Temp\n1335\s1335.exe" ins.exe /h b34083.api.socdn.com /u 4fe0cf9f-1fe4-4abb-905a-57915bc06f2f /e 11804700 /v "C:\Users\Admin\AppData\Local\Temp\534c576dfeaa559db6a1b987fe802d84_mafia_JC.exe"
      2⤵
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Drops file in Windows directory
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4668
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 520 -s 4388
      2⤵
      • Program crash
      PID:3736
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 520 -ip 520
    1⤵
      PID:4988

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\n1335\s1335.exe

      Filesize

      288KB

      MD5

      094837e66182b13dcfa684ab0714be59

      SHA1

      3170c805ab2f3ebbea91a0b1693cbf14493834fb

      SHA256

      ebb291b372d56dc397a206d0e10bbf15768601c025c5fb1f53e02d8b15eeb602

      SHA512

      d2b3aa2c51e20936bcb4919f17398dd5b2c6c2e73573df379835bb954aa585e9ee995ad584455195348918ee4acfa8e7937a2d5e9e29c1240d0e389599a069e9

    • C:\Users\Admin\AppData\Local\Temp\n1335\s1335.exe

      Filesize

      288KB

      MD5

      094837e66182b13dcfa684ab0714be59

      SHA1

      3170c805ab2f3ebbea91a0b1693cbf14493834fb

      SHA256

      ebb291b372d56dc397a206d0e10bbf15768601c025c5fb1f53e02d8b15eeb602

      SHA512

      d2b3aa2c51e20936bcb4919f17398dd5b2c6c2e73573df379835bb954aa585e9ee995ad584455195348918ee4acfa8e7937a2d5e9e29c1240d0e389599a069e9

    • C:\Users\Admin\AppData\Local\Temp\n1335\s1335.exe

      Filesize

      288KB

      MD5

      094837e66182b13dcfa684ab0714be59

      SHA1

      3170c805ab2f3ebbea91a0b1693cbf14493834fb

      SHA256

      ebb291b372d56dc397a206d0e10bbf15768601c025c5fb1f53e02d8b15eeb602

      SHA512

      d2b3aa2c51e20936bcb4919f17398dd5b2c6c2e73573df379835bb954aa585e9ee995ad584455195348918ee4acfa8e7937a2d5e9e29c1240d0e389599a069e9

    • memory/4668-144-0x00007FF8C67D0000-0x00007FF8C7171000-memory.dmp

      Filesize

      9.6MB

    • memory/4668-145-0x00007FF8C67D0000-0x00007FF8C7171000-memory.dmp

      Filesize

      9.6MB

    • memory/4668-146-0x0000000001480000-0x0000000001490000-memory.dmp

      Filesize

      64KB

    • memory/4668-160-0x0000000000CE0000-0x0000000000D2E000-memory.dmp

      Filesize

      312KB

    • memory/4668-161-0x000000001C450000-0x000000001C45A000-memory.dmp

      Filesize

      40KB

    • memory/4668-164-0x000000001CAA0000-0x000000001CF6E000-memory.dmp

      Filesize

      4.8MB

    • memory/4668-165-0x000000001D010000-0x000000001D0AC000-memory.dmp

      Filesize

      624KB

    • memory/4668-166-0x000000001C460000-0x000000001C468000-memory.dmp

      Filesize

      32KB

    • memory/4668-167-0x0000000001480000-0x0000000001490000-memory.dmp

      Filesize

      64KB

    • memory/4668-168-0x0000000001480000-0x0000000001490000-memory.dmp

      Filesize

      64KB

    • memory/4668-169-0x0000000001480000-0x0000000001490000-memory.dmp

      Filesize

      64KB

    • memory/4668-170-0x00007FF8C67D0000-0x00007FF8C7171000-memory.dmp

      Filesize

      9.6MB

    • memory/4668-171-0x000000001E4A0000-0x000000001E502000-memory.dmp

      Filesize

      392KB

    • memory/4668-172-0x00007FF8C67D0000-0x00007FF8C7171000-memory.dmp

      Filesize

      9.6MB

    • memory/4668-173-0x00000000207C0000-0x00000000208FC000-memory.dmp

      Filesize

      1.2MB

    • memory/4668-174-0x0000000020E10000-0x000000002131E000-memory.dmp

      Filesize

      5.1MB

    • memory/4668-175-0x0000000001480000-0x0000000001490000-memory.dmp

      Filesize

      64KB

    • memory/4668-176-0x0000000021320000-0x0000000021420000-memory.dmp

      Filesize

      1024KB

    • memory/4668-177-0x0000000001480000-0x0000000001490000-memory.dmp

      Filesize

      64KB

    • memory/4668-178-0x0000000001480000-0x0000000001490000-memory.dmp

      Filesize

      64KB

    • memory/4668-179-0x0000000001480000-0x0000000001490000-memory.dmp

      Filesize

      64KB

    • memory/4668-180-0x0000000001480000-0x0000000001490000-memory.dmp

      Filesize

      64KB

    • memory/4668-182-0x00007FF8C67D0000-0x00007FF8C7171000-memory.dmp

      Filesize

      9.6MB