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Analysis

  • max time kernel
    151s
  • max time network
    174s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/12/2023, 07:42

General

  • Target

    7a66a364fd8b698ef866c155f9fec8f3.exe

  • Size

    5.3MB

  • MD5

    7a66a364fd8b698ef866c155f9fec8f3

  • SHA1

    cc562138e3ec63b775b0a4b273ade4f7e135e651

  • SHA256

    6f355f8d4f2924baa4f8cb0de0635489019a1113e10bb91e92c96366ccc2bc1a

  • SHA512

    86bf6ab07654416e456020f1e431cbd10ad1137590a59d8035f4c2613c787d383626fff9f2d2277b761d57192326154c5ca06731afaef6c1f198a60270217ab7

  • SSDEEP

    98304:HLAnfG/UrSSy8jvMeK/xxNmJs9EwkvSsv2wekTM77BgjvMeK/xxNmJs9Ef:HLAnBuP6MeK/x9Gv9dgfMMeK/x94

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 3 IoCs

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

  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7a66a364fd8b698ef866c155f9fec8f3.exe
    "C:\Users\Admin\AppData\Local\Temp\7a66a364fd8b698ef866c155f9fec8f3.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3928
    • C:\Users\Admin\AppData\Local\Temp\7a66a364fd8b698ef866c155f9fec8f3.exe
      C:\Users\Admin\AppData\Local\Temp\7a66a364fd8b698ef866c155f9fec8f3.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of UnmapMainImage
      PID:1872

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\7a66a364fd8b698ef866c155f9fec8f3.exe

    Filesize

    211KB

    MD5

    dcae72ce9040533d07b1f4d96668b092

    SHA1

    b61c1d91ed0ace988111ab75ad8340860c3f4176

    SHA256

    886148d3944ca76322100dc577982832f61864a5184046c1a9849405ea9dec17

    SHA512

    37aee591376f9ca3ea893a8380e79ac03541406313d6850507ac30358b59389b83fd3b824b4c8da1ce26df8645f0197c38d315ab281739db8cad2643d6dc008c

  • memory/1872-13-0x0000000000400000-0x00000000008EF000-memory.dmp

    Filesize

    4.9MB

  • memory/1872-15-0x0000000001CF0000-0x0000000001E23000-memory.dmp

    Filesize

    1.2MB

  • memory/1872-14-0x0000000000400000-0x000000000062A000-memory.dmp

    Filesize

    2.2MB

  • memory/1872-20-0x0000000000400000-0x000000000061D000-memory.dmp

    Filesize

    2.1MB

  • memory/1872-21-0x00000000055F0000-0x000000000581A000-memory.dmp

    Filesize

    2.2MB

  • memory/1872-28-0x0000000000400000-0x00000000008EF000-memory.dmp

    Filesize

    4.9MB

  • memory/3928-0-0x0000000000400000-0x00000000008EF000-memory.dmp

    Filesize

    4.9MB

  • memory/3928-1-0x0000000001DB0000-0x0000000001EE3000-memory.dmp

    Filesize

    1.2MB

  • memory/3928-2-0x0000000000400000-0x000000000062A000-memory.dmp

    Filesize

    2.2MB

  • memory/3928-12-0x0000000000400000-0x000000000062A000-memory.dmp

    Filesize

    2.2MB