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Analysis

  • max time kernel
    143s
  • 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
    15/08/2023, 17:20

General

  • Target

    fc540916bddb655f3625e81269e98cad_mafia_JC.exe

  • Size

    501KB

  • MD5

    fc540916bddb655f3625e81269e98cad

  • SHA1

    158ef1a94d112462a95503850ba950e59ac8d45e

  • SHA256

    5697895b81f02e56af1af1a0c90210c67705fd939947350e1a440202d9770ed1

  • SHA512

    10a55d2d329b58086db4fd1b2d77d81c13373922e3f0339a205bda6318201532e6c1b94784a98be544f3e5369523f5ce174f67f562ed6bf585c1af51d2396499

  • SSDEEP

    6144:m5DK99xOtO8XMLOjyfdGdQK36OP9KEzmIr3JgYhCOPoKuRbdz5C241cOInPfnGfW:m5Dc3x8XPjy07n1C4uASOIP/se

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 3 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\fc540916bddb655f3625e81269e98cad_mafia_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\fc540916bddb655f3625e81269e98cad_mafia_JC.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1616
    • C:\Users\Admin\AppData\Local\Temp\n8686\s8686.exe
      "C:\Users\Admin\AppData\Local\Temp\n8686\s8686.exe" ins.exe /u e79b5525-92fa-11e3-8a58-80c16e6f498c /e 12909069 /h a46af.api.socdn.com /t 538d8d1a561ca3554f8b480f /v "C:\Users\Admin\AppData\Local\Temp\fc540916bddb655f3625e81269e98cad_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:5084
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1616 -s 4452
      2⤵
      • Program crash
      PID:4828
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1616 -ip 1616
    1⤵
      PID:4308

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\n8686\s8686.exe

      Filesize

      286KB

      MD5

      3e3ab97a3be5f358ef2410034ca1d11e

      SHA1

      132b2d344871a59eea8cd45dcb289f880754de0a

      SHA256

      9343341db998236ead9f7bc0847747fb92cc90cc4709e7b6ff4c2ff6809dd1bb

      SHA512

      31cae25593341fe970dce4532449af639fb4b05a91591c1a22a8be52e2d9937439ef2a73e87cc49e636d24d3c5986a5d1954e9736046da4adbb7ac9857d9e48d

    • C:\Users\Admin\AppData\Local\Temp\n8686\s8686.exe

      Filesize

      286KB

      MD5

      3e3ab97a3be5f358ef2410034ca1d11e

      SHA1

      132b2d344871a59eea8cd45dcb289f880754de0a

      SHA256

      9343341db998236ead9f7bc0847747fb92cc90cc4709e7b6ff4c2ff6809dd1bb

      SHA512

      31cae25593341fe970dce4532449af639fb4b05a91591c1a22a8be52e2d9937439ef2a73e87cc49e636d24d3c5986a5d1954e9736046da4adbb7ac9857d9e48d

    • C:\Users\Admin\AppData\Local\Temp\n8686\s8686.exe

      Filesize

      286KB

      MD5

      3e3ab97a3be5f358ef2410034ca1d11e

      SHA1

      132b2d344871a59eea8cd45dcb289f880754de0a

      SHA256

      9343341db998236ead9f7bc0847747fb92cc90cc4709e7b6ff4c2ff6809dd1bb

      SHA512

      31cae25593341fe970dce4532449af639fb4b05a91591c1a22a8be52e2d9937439ef2a73e87cc49e636d24d3c5986a5d1954e9736046da4adbb7ac9857d9e48d

    • memory/5084-144-0x00007FFDA9FE0000-0x00007FFDAA981000-memory.dmp

      Filesize

      9.6MB

    • memory/5084-147-0x00007FFDA9FE0000-0x00007FFDAA981000-memory.dmp

      Filesize

      9.6MB

    • memory/5084-148-0x00000000015D0000-0x00000000015E0000-memory.dmp

      Filesize

      64KB

    • memory/5084-160-0x0000000000B30000-0x0000000000B7C000-memory.dmp

      Filesize

      304KB

    • memory/5084-161-0x000000001BC90000-0x000000001BC9A000-memory.dmp

      Filesize

      40KB

    • memory/5084-164-0x000000001CA50000-0x000000001CF1E000-memory.dmp

      Filesize

      4.8MB

    • memory/5084-165-0x000000001CFC0000-0x000000001D05C000-memory.dmp

      Filesize

      624KB

    • memory/5084-166-0x000000001BCA0000-0x000000001BCA8000-memory.dmp

      Filesize

      32KB

    • memory/5084-167-0x00000000015D0000-0x00000000015E0000-memory.dmp

      Filesize

      64KB

    • memory/5084-168-0x00000000015D0000-0x00000000015E0000-memory.dmp

      Filesize

      64KB

    • memory/5084-169-0x00007FFDA9FE0000-0x00007FFDAA981000-memory.dmp

      Filesize

      9.6MB

    • memory/5084-170-0x00000000015D0000-0x00000000015E0000-memory.dmp

      Filesize

      64KB

    • memory/5084-171-0x00007FFDA9FE0000-0x00007FFDAA981000-memory.dmp

      Filesize

      9.6MB

    • memory/5084-172-0x0000000020410000-0x0000000020472000-memory.dmp

      Filesize

      392KB

    • memory/5084-173-0x00000000015D0000-0x00000000015E0000-memory.dmp

      Filesize

      64KB

    • memory/5084-174-0x0000000020970000-0x0000000020AAC000-memory.dmp

      Filesize

      1.2MB

    • memory/5084-175-0x0000000020FC0000-0x00000000214CE000-memory.dmp

      Filesize

      5.1MB

    • memory/5084-176-0x00000000214D0000-0x00000000215D0000-memory.dmp

      Filesize

      1024KB

    • memory/5084-178-0x00007FFDA9FE0000-0x00007FFDAA981000-memory.dmp

      Filesize

      9.6MB