Analysis

  • max time kernel
    135s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-06-2023 06:30

General

  • Target

    登录器配置器.exe

  • Size

    6.1MB

  • MD5

    98bff83ff9b0e5216d3d6a3cba12906a

  • SHA1

    ffec014a12e35e5f0ca2e83b1fe3292fb94ab47e

  • SHA256

    a9361f6e81c1dc5f30012ece35c04c75d5e772424a522ce6addbf0d5df5e0933

  • SHA512

    d86b9a29b3715699bb0d3a0f7921a2e7175102d4bd5195d167dcb5d24dd6d387f3d62a8a6a3a4f312820942661adfd77a24c8f2d420560046ca20515e87ec3fd

  • SSDEEP

    98304:S+c0hRUbtkCnPgF2ABKJH6DhHU06OT3Z1B+zzow/rmshM62OaN:FDUbtkCPTyHUx0JizJF2OaN

Score
7/10

Malware Config

Signatures

  • ASPack v2.12-2.42 2 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\登录器配置器.exe
    "C:\Users\Admin\AppData\Local\Temp\登录器配置器.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2036
    • C:\Users\Admin\AppData\Local\Temp\BelFhN.exe
      C:\Users\Admin\AppData\Local\Temp\BelFhN.exe
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:972
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\409e3143.bat" "
        3⤵
          PID:684

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\4HAJQ22Y\k2[1].rar

      Filesize

      4B

      MD5

      d3b07384d113edec49eaa6238ad5ff00

      SHA1

      f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

      SHA256

      b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

      SHA512

      0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

    • C:\Users\Admin\AppData\Local\Temp\339170AD.exe

      Filesize

      4B

      MD5

      20879c987e2f9a916e578386d499f629

      SHA1

      c7b33ddcc42361fdb847036fc07e880b81935d5d

      SHA256

      9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

      SHA512

      bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

    • C:\Users\Admin\AppData\Local\Temp\409e3143.bat

      Filesize

      187B

      MD5

      fe2f42539e8609c28ee5e7585aed3e65

      SHA1

      e2b2ce77d7d7bb0ddd024410068d80807d76d832

      SHA256

      28f1eb74c22876fd84671302e8bb6acd9171b5624b12ed7706ec4743339dace3

      SHA512

      fea393e398b45b5fe7a1d28ad3672da3009d3d87e86e5d1f6b54b6b72a42c1e3fa176096c9353124247c9e79de70fddc7186b4b1dfcd3d862f20ae3411b391e1

    • C:\Users\Admin\AppData\Local\Temp\BelFhN.exe

      Filesize

      15KB

      MD5

      56b2c3810dba2e939a8bb9fa36d3cf96

      SHA1

      99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

      SHA256

      4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

      SHA512

      27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

    • C:\Users\Admin\AppData\Local\Temp\BelFhN.exe

      Filesize

      15KB

      MD5

      56b2c3810dba2e939a8bb9fa36d3cf96

      SHA1

      99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

      SHA256

      4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

      SHA512

      27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

    • memory/972-139-0x0000000000920000-0x0000000000929000-memory.dmp

      Filesize

      36KB

    • memory/972-148-0x0000000000920000-0x0000000000929000-memory.dmp

      Filesize

      36KB

    • memory/2036-133-0x0000000000400000-0x0000000001041000-memory.dmp

      Filesize

      12.3MB

    • memory/2036-147-0x0000000000400000-0x0000000001041000-memory.dmp

      Filesize

      12.3MB