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Analysis

  • max time kernel
    149s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    30/12/2023, 03:27

General

  • Target

    0cf3e5e0102b875a03bbc8492defc43c.exe

  • Size

    13KB

  • MD5

    0cf3e5e0102b875a03bbc8492defc43c

  • SHA1

    a2de66169a53daed3d27c9bf9303617ea4407d33

  • SHA256

    8d5148057cf0c4607b311819dbd0dce1ea8692cb88531ef74c0b40081fdce2c2

  • SHA512

    01bd5f0e01646f70788fe5153d6dcf4e677f3e733b04a545ba560e2b0d269fa26ca1973af8a84775d0177ce091bc9b65b2a4022033e5acb744d57b399e0d7b5a

  • SSDEEP

    192:smpfxUbuk4oef2fnj8b7zteiXzzWCpDGZ6beZj7KbvKZzfVPDkFYywzSl+E1O2Fc:5pfQu1/f2rUPt9fWr669ubv4zfGGPx

Score
8/10

Malware Config

Signatures

  • Modifies AppInit DLL entries 2 TTPs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in System32 directory 3 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0cf3e5e0102b875a03bbc8492defc43c.exe
    "C:\Users\Admin\AppData\Local\Temp\0cf3e5e0102b875a03bbc8492defc43c.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:2180
    • C:\Windows\SysWOW64\craoek.exe
      C:\Windows\system32\craoek.exe ˜‰
      2⤵
      • Executes dropped EXE
      PID:2160
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c C:\Users\Admin\AppData\Local\Temp\0cf3e5e0102b875a03bbc8492defc43c.exe.bat
      2⤵
      • Deletes itself
      PID:2916

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\0cf3e5e0102b875a03bbc8492defc43c.exe.bat

    Filesize

    182B

    MD5

    18651a0edc1111f140fccf5a87451c76

    SHA1

    6b4bf68211a9f36551526c7113ff0b54721c39d5

    SHA256

    ef63cc0b777375ba4c8b0f672e58cd8585b731101f757e83f8aeafd8f87722ed

    SHA512

    086ac600554633f2dd2436d7595df9fbbd7ce478302033e1e77d758183d15c815cd11d60ef1c39dd6b096f67609ce202affcdee6d74cddec0df9661b5b2728ce

  • \Windows\SysWOW64\craoek.exe

    Filesize

    13KB

    MD5

    0cf3e5e0102b875a03bbc8492defc43c

    SHA1

    a2de66169a53daed3d27c9bf9303617ea4407d33

    SHA256

    8d5148057cf0c4607b311819dbd0dce1ea8692cb88531ef74c0b40081fdce2c2

    SHA512

    01bd5f0e01646f70788fe5153d6dcf4e677f3e733b04a545ba560e2b0d269fa26ca1973af8a84775d0177ce091bc9b65b2a4022033e5acb744d57b399e0d7b5a

  • memory/2160-11-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2180-0-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2180-10-0x0000000000240000-0x0000000000250000-memory.dmp

    Filesize

    64KB

  • memory/2180-12-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2180-16-0x0000000000240000-0x0000000000250000-memory.dmp

    Filesize

    64KB