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Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/03/2024, 08:04

General

  • Target

    c81e5af768f9cf16fdb28fef2297c62d.exe

  • Size

    2.5MB

  • MD5

    c81e5af768f9cf16fdb28fef2297c62d

  • SHA1

    960000d1d94bcfca3f1b03b8e26857235e2d7d01

  • SHA256

    fbc0d1667316478cfca0bd9f82505ab0314c26d31b0e87692b1901122cff9d30

  • SHA512

    185e79873ec96f78498036cc1f1556779cd17052fd63ef29c4bb88c008524ea570cf326e2386cdb400eda193ca16f774dec186afde2f89a4a38e060a9b4f3b17

  • SSDEEP

    24576:ljHPrZH69YeFTHjtujvD8rlwtA3tK/gbiCEOsHhSenp1cYmo6Se6XRYg7miD97lW:RHtaNFz4gBwwI0rG/z7mClKXYUojCd

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.

  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c81e5af768f9cf16fdb28fef2297c62d.exe
    "C:\Users\Admin\AppData\Local\Temp\c81e5af768f9cf16fdb28fef2297c62d.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3280
    • C:\Users\Admin\AppData\Local\Temp\c81e5af768f9cf16fdb28fef2297c62d.exe
      C:\Users\Admin\AppData\Local\Temp\c81e5af768f9cf16fdb28fef2297c62d.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:1064

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\c81e5af768f9cf16fdb28fef2297c62d.exe

    Filesize

    2.5MB

    MD5

    8045ceb04d9625aaee70087449c50c24

    SHA1

    60ab97806a05a4615c077d1717ac0dd88d51ed32

    SHA256

    6d0d5721752e95d6f56ae28c93b8a5ba7a8dee04552906d519a12bf39cc1f23f

    SHA512

    ef3814478373d321af1e3c6f32080d1f432f34eb97ff28b2d475e933e2fbedd8c781aa5f1b5ab07c4bc9dfb8043ef22092899ef5191862672dc714edf56d421e

  • memory/1064-16-0x0000000000400000-0x0000000000CE1000-memory.dmp

    Filesize

    8.9MB

  • memory/1064-19-0x00000000020B0000-0x00000000022DE000-memory.dmp

    Filesize

    2.2MB

  • memory/1064-31-0x0000000000400000-0x0000000000CE1000-memory.dmp

    Filesize

    8.9MB

  • memory/3280-0-0x0000000000400000-0x0000000000CE1000-memory.dmp

    Filesize

    8.9MB

  • memory/3280-1-0x0000000002060000-0x000000000228E000-memory.dmp

    Filesize

    2.2MB

  • memory/3280-2-0x0000000000400000-0x00000000005EF000-memory.dmp

    Filesize

    1.9MB

  • memory/3280-14-0x0000000000400000-0x00000000005EF000-memory.dmp

    Filesize

    1.9MB