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Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    24/01/2024, 01:35

General

  • Target

    38d9253de365a8ef1551581ce9a78245.exe

  • Size

    115KB

  • MD5

    38d9253de365a8ef1551581ce9a78245

  • SHA1

    ca7ca5df2dc9e54a0ec58cae54bb214b7de9a381

  • SHA256

    bfb566edd093383033a1f6d5d67a4e4517242b8d52671f46a4126123034db51e

  • SHA512

    7ed560611881be81b5830afea2f9d5c124ebd344081fa8f1b6efb4b0323758518b3a40ac5a5368fdcd181580d0202f438c4ef7eb4ad912816e1b5a31714fcc2c

  • SSDEEP

    1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp01F:z6a+CdOOtEvwDpjczX

Score
7/10
upx

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 5 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\38d9253de365a8ef1551581ce9a78245.exe
    "C:\Users\Admin\AppData\Local\Temp\38d9253de365a8ef1551581ce9a78245.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2168
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:2764

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\asih.exe

    Filesize

    115KB

    MD5

    90c51fc008107a38256602dd9bf8a09d

    SHA1

    51dd65cff2cf685d6450eb0d17728781d33e439d

    SHA256

    a38401d859db370dfe49604f43c103961ab69b67c2c3d668405f7d7b8784856a

    SHA512

    5f241b1ab419bfcb55f0c5264044701fd708bd238c7156f773d33e2b8229e84ae368bdf220ee9d7c7a9c15dde1fd65a6609c6e4e19697b77e3431460a8e76239

  • memory/2168-0-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2168-1-0x0000000000290000-0x0000000000296000-memory.dmp

    Filesize

    24KB

  • memory/2168-2-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB

  • memory/2168-3-0x0000000000290000-0x0000000000296000-memory.dmp

    Filesize

    24KB

  • memory/2168-15-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2764-18-0x0000000000270000-0x0000000000276000-memory.dmp

    Filesize

    24KB

  • memory/2764-17-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2764-20-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2764-26-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB