Analysis

  • max time kernel
    140s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/08/2023, 17:48

General

  • Target

    9e9b183604e7edcff23503fdc24d8be0_mafia_JC.exe

  • Size

    500KB

  • MD5

    9e9b183604e7edcff23503fdc24d8be0

  • SHA1

    15958e72ede263dd1bb9a38b8564d2e72a1cd5f9

  • SHA256

    6d7b034a50cab69f9d9432271c5c63700ba94a4ddf781ee1b6724bf571d63e21

  • SHA512

    75836aafc7113568712bc1d3e5d7df2d8ac65a5cb460de62cc1e0be705a12518d1c6d80e41123c6f717bae7d9db555b3d1e6cbd3b5697ee5094d66f672a76e75

  • SSDEEP

    6144:FK1UbtpWeUoQhAxziPSkYioIxmmIMH6AvR7Ca20H+2/EfnGXkQ8dz5CnezFOHP9i:FKuHw3AxGEI/JC0h8/6Jp5kV

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\9e9b183604e7edcff23503fdc24d8be0_mafia_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\9e9b183604e7edcff23503fdc24d8be0_mafia_JC.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3380
    • C:\Users\Admin\AppData\Local\Temp\n5311\s5311.exe
      "C:\Users\Admin\AppData\Local\Temp\n5311\s5311.exe" ins.exe /u 4fe0cf9f-1fe4-4abb-905a-57915bc06f2f /e 12766658 /h bb340.api.socdn.com /v "C:\Users\Admin\AppData\Local\Temp\9e9b183604e7edcff23503fdc24d8be0_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:3816
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3380 -s 4444
      2⤵
      • Program crash
      PID:4044
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3380 -ip 3380
    1⤵
      PID:684

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\n5311\s5311.exe

            Filesize

            286KB

            MD5

            3e3ab97a3be5f358ef2410034ca1d11e

            SHA1

            132b2d344871a59eea8cd45dcb289f880754de0a

            SHA256

            9343341db998236ead9f7bc0847747fb92cc90cc4709e7b6ff4c2ff6809dd1bb

            SHA512

            31cae25593341fe970dce4532449af639fb4b05a91591c1a22a8be52e2d9937439ef2a73e87cc49e636d24d3c5986a5d1954e9736046da4adbb7ac9857d9e48d

          • C:\Users\Admin\AppData\Local\Temp\n5311\s5311.exe

            Filesize

            286KB

            MD5

            3e3ab97a3be5f358ef2410034ca1d11e

            SHA1

            132b2d344871a59eea8cd45dcb289f880754de0a

            SHA256

            9343341db998236ead9f7bc0847747fb92cc90cc4709e7b6ff4c2ff6809dd1bb

            SHA512

            31cae25593341fe970dce4532449af639fb4b05a91591c1a22a8be52e2d9937439ef2a73e87cc49e636d24d3c5986a5d1954e9736046da4adbb7ac9857d9e48d

          • C:\Users\Admin\AppData\Local\Temp\n5311\s5311.exe

            Filesize

            286KB

            MD5

            3e3ab97a3be5f358ef2410034ca1d11e

            SHA1

            132b2d344871a59eea8cd45dcb289f880754de0a

            SHA256

            9343341db998236ead9f7bc0847747fb92cc90cc4709e7b6ff4c2ff6809dd1bb

            SHA512

            31cae25593341fe970dce4532449af639fb4b05a91591c1a22a8be52e2d9937439ef2a73e87cc49e636d24d3c5986a5d1954e9736046da4adbb7ac9857d9e48d

          • memory/3816-172-0x0000000001140000-0x0000000001150000-memory.dmp

            Filesize

            64KB

          • memory/3816-174-0x0000000001140000-0x0000000001150000-memory.dmp

            Filesize

            64KB

          • memory/3816-146-0x0000000001140000-0x0000000001150000-memory.dmp

            Filesize

            64KB

          • memory/3816-164-0x00000000006D0000-0x000000000071C000-memory.dmp

            Filesize

            304KB

          • memory/3816-165-0x000000001B640000-0x000000001B64A000-memory.dmp

            Filesize

            40KB

          • memory/3816-168-0x000000001C490000-0x000000001C95E000-memory.dmp

            Filesize

            4.8MB

          • memory/3816-169-0x000000001CA00000-0x000000001CA9C000-memory.dmp

            Filesize

            624KB

          • memory/3816-170-0x000000001BD60000-0x000000001BD68000-memory.dmp

            Filesize

            32KB

          • memory/3816-171-0x0000000001140000-0x0000000001150000-memory.dmp

            Filesize

            64KB

          • memory/3816-144-0x00007FF857510000-0x00007FF857EB1000-memory.dmp

            Filesize

            9.6MB

          • memory/3816-173-0x00007FF857510000-0x00007FF857EB1000-memory.dmp

            Filesize

            9.6MB

          • memory/3816-145-0x00007FF857510000-0x00007FF857EB1000-memory.dmp

            Filesize

            9.6MB

          • memory/3816-175-0x00007FF857510000-0x00007FF857EB1000-memory.dmp

            Filesize

            9.6MB

          • memory/3816-176-0x0000000020270000-0x00000000202D2000-memory.dmp

            Filesize

            392KB

          • memory/3816-177-0x0000000001140000-0x0000000001150000-memory.dmp

            Filesize

            64KB

          • memory/3816-178-0x0000000020810000-0x000000002094C000-memory.dmp

            Filesize

            1.2MB

          • memory/3816-179-0x0000000020E60000-0x000000002136E000-memory.dmp

            Filesize

            5.1MB

          • memory/3816-180-0x0000000021370000-0x0000000021470000-memory.dmp

            Filesize

            1024KB

          • memory/3816-181-0x0000000001140000-0x0000000001150000-memory.dmp

            Filesize

            64KB

          • memory/3816-182-0x0000000001140000-0x0000000001150000-memory.dmp

            Filesize

            64KB

          • memory/3816-183-0x0000000001140000-0x0000000001150000-memory.dmp

            Filesize

            64KB

          • memory/3816-184-0x0000000001140000-0x0000000001150000-memory.dmp

            Filesize

            64KB

          • memory/3816-185-0x0000000021370000-0x0000000021470000-memory.dmp

            Filesize

            1024KB

          • memory/3816-187-0x00007FF857510000-0x00007FF857EB1000-memory.dmp

            Filesize

            9.6MB