Analysis

  • max time kernel
    142s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    01-09-2023 14:28

General

  • Target

    bc8f0f434ca9dab32771467b0be143182d57ef0979f68a7165fc253482e3f5a8.exe

  • Size

    743KB

  • MD5

    77e9b43734e5243cd857fdc726b3bc6c

  • SHA1

    7410470faa8149ec503f8c321c454cbd91537066

  • SHA256

    bc8f0f434ca9dab32771467b0be143182d57ef0979f68a7165fc253482e3f5a8

  • SHA512

    7e8f3f1fb166664501074c09425eefe78f5b13d0e73e051d2644aded3d400a686d5526632832a5b059a945b1e56a2711b4fc08b248498b7fde077cffccb5e756

  • SSDEEP

    12288:nRyTSktU4g/n/t0EW5A0zyYvJwQ5oAlK+GE4vebIk6bQQ52LgRg08y5Hpnrzv:RStU4gf2EW5A2DJr/kS4vGIk6v3Hf

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bc8f0f434ca9dab32771467b0be143182d57ef0979f68a7165fc253482e3f5a8.exe
    "C:\Users\Admin\AppData\Local\Temp\bc8f0f434ca9dab32771467b0be143182d57ef0979f68a7165fc253482e3f5a8.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:2204
  • C:\Windows\Hacker.com.cn.exe
    C:\Windows\Hacker.com.cn.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:1704
    • C:\Program Files\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
      2⤵
        PID:1228

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • C:\Windows\Hacker.com.cn.exe

      Filesize

      743KB

      MD5

      77e9b43734e5243cd857fdc726b3bc6c

      SHA1

      7410470faa8149ec503f8c321c454cbd91537066

      SHA256

      bc8f0f434ca9dab32771467b0be143182d57ef0979f68a7165fc253482e3f5a8

      SHA512

      7e8f3f1fb166664501074c09425eefe78f5b13d0e73e051d2644aded3d400a686d5526632832a5b059a945b1e56a2711b4fc08b248498b7fde077cffccb5e756

    • C:\Windows\Hacker.com.cn.exe

      Filesize

      743KB

      MD5

      77e9b43734e5243cd857fdc726b3bc6c

      SHA1

      7410470faa8149ec503f8c321c454cbd91537066

      SHA256

      bc8f0f434ca9dab32771467b0be143182d57ef0979f68a7165fc253482e3f5a8

      SHA512

      7e8f3f1fb166664501074c09425eefe78f5b13d0e73e051d2644aded3d400a686d5526632832a5b059a945b1e56a2711b4fc08b248498b7fde077cffccb5e756

    • memory/1704-4-0x0000000000280000-0x0000000000281000-memory.dmp

      Filesize

      4KB

    • memory/1704-7-0x0000000000400000-0x00000000004C2000-memory.dmp

      Filesize

      776KB

    • memory/1704-8-0x0000000000280000-0x0000000000281000-memory.dmp

      Filesize

      4KB

    • memory/1704-9-0x0000000000400000-0x00000000004C2000-memory.dmp

      Filesize

      776KB

    • memory/1704-13-0x0000000000400000-0x00000000004C2000-memory.dmp

      Filesize

      776KB

    • memory/2204-0-0x0000000000240000-0x0000000000241000-memory.dmp

      Filesize

      4KB

    • memory/2204-6-0x0000000000400000-0x00000000004C2000-memory.dmp

      Filesize

      776KB