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Analysis

  • max time kernel
    153s
  • max time network
    213s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    22/12/2023, 05:47

General

  • Target

    72cf74b3b73e924886982585b3f4bef8.exe

  • Size

    266KB

  • MD5

    72cf74b3b73e924886982585b3f4bef8

  • SHA1

    a120b3165ed86ee20b503d584f2880d97422887d

  • SHA256

    aa451e8b025a900338c15a31d5ddb66859d5a3d615341d413f970d42a46d35b9

  • SHA512

    5c646a228dac3e0d98ea5ad4f633778c25d9eb6a49dbdc85b0e9f5e238b911e36fbe52d55fe37b124873b980fed487f52fd0fecc66a9f750cae660d297870491

  • SSDEEP

    6144:5RCtahwXyw2HT06CW4EeIY6AZwDT5fQJ3Taydob7CThxXgFP8MU0m/0nChhtQ:5ctaCXP2Xt4EtVDt4J3u2obohxQF0dHG

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 2 IoCs

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

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\72cf74b3b73e924886982585b3f4bef8.exe
    "C:\Users\Admin\AppData\Local\Temp\72cf74b3b73e924886982585b3f4bef8.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2400
    • C:\Users\Admin\AppData\Local\Temp\72cf74b3b73e924886982585b3f4bef8.exe
      C:\Users\Admin\AppData\Local\Temp\72cf74b3b73e924886982585b3f4bef8.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:2548

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\72cf74b3b73e924886982585b3f4bef8.exe

    Filesize

    266KB

    MD5

    e5efd1f554f23f3fe0eb2988e1d7df91

    SHA1

    4f547dff9b35b47fbad8089ec2891c0d4ee74740

    SHA256

    0171a6a8a116b9bcc9676e3f5643103c8a28a6a5241cf0d00adf171e792fe83c

    SHA512

    8c9df3cfe9c56b36262b421404deb9c0f54ad27cbcf9aa4f83c79b91d87303a279ed8aa4c294e384fd44ee8afa3d702ae22d11577cae5ce342e53833b8b37fb1

  • memory/2400-0-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/2400-1-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2400-6-0x0000000000150000-0x0000000000171000-memory.dmp

    Filesize

    132KB

  • memory/2400-15-0x0000000000240000-0x00000000002C6000-memory.dmp

    Filesize

    536KB

  • memory/2400-14-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2548-19-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/2548-21-0x0000000000150000-0x0000000000171000-memory.dmp

    Filesize

    132KB

  • memory/2548-25-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB