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Analysis

  • max time kernel
    144s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/02/2024, 08:52

General

  • Target

    9b3ef43d18a8c0d2959c8ce723e3a263.exe

  • Size

    2.5MB

  • MD5

    9b3ef43d18a8c0d2959c8ce723e3a263

  • SHA1

    950dc315adae5660ffe5a2a2b7e2e8f4cffa9d18

  • SHA256

    94ffc3b6ce6fe7d046092cd35a9259d94874e8cbd74c5fef5109a2c8999cc4fb

  • SHA512

    e988e1d2a19298a080162593c350aa27cbaef92e4d49a8b75ede1700d3b03438fa237759b67cabaf7160eed9d59fb0c8386a9619388cf3a741ecc32e709b66a2

  • SSDEEP

    49152:kLmM/TWIB3OALfZnCNAtN74NH5HUyNRcUsCVOzet0:QpWIB3OAjZnCNU4HBUCczz9

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\9b3ef43d18a8c0d2959c8ce723e3a263.exe
    "C:\Users\Admin\AppData\Local\Temp\9b3ef43d18a8c0d2959c8ce723e3a263.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1892
    • C:\Users\Admin\AppData\Local\Temp\9b3ef43d18a8c0d2959c8ce723e3a263.exe
      C:\Users\Admin\AppData\Local\Temp\9b3ef43d18a8c0d2959c8ce723e3a263.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of UnmapMainImage
      PID:2004

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\9b3ef43d18a8c0d2959c8ce723e3a263.exe

    Filesize

    640KB

    MD5

    ca75f09efc7c42528fa8b7a00878f192

    SHA1

    a8066c6576a103ded5589fa1d925988b16692543

    SHA256

    18ca288c4a5fa568d25b6d52817e3f3a2d6f01c5964803ed5669753b3d039306

    SHA512

    f8a5844ec42302191aeccc7b768963e3cff12c49bb39abbbcf1a49f296df1d21153033f280ceea7a48eaf1ace6f3ce163fcefda8390cc0b19110d281fa01507b

  • memory/1892-0-0x0000000000400000-0x00000000008EF000-memory.dmp

    Filesize

    4.9MB

  • memory/1892-1-0x0000000001D50000-0x0000000001E83000-memory.dmp

    Filesize

    1.2MB

  • memory/1892-2-0x0000000000400000-0x000000000062A000-memory.dmp

    Filesize

    2.2MB

  • memory/1892-12-0x0000000000400000-0x000000000062A000-memory.dmp

    Filesize

    2.2MB

  • memory/2004-13-0x0000000000400000-0x00000000008EF000-memory.dmp

    Filesize

    4.9MB

  • memory/2004-14-0x0000000000400000-0x000000000062A000-memory.dmp

    Filesize

    2.2MB

  • memory/2004-15-0x0000000001D00000-0x0000000001E33000-memory.dmp

    Filesize

    1.2MB

  • memory/2004-21-0x0000000005600000-0x000000000582A000-memory.dmp

    Filesize

    2.2MB

  • memory/2004-20-0x0000000000400000-0x000000000061D000-memory.dmp

    Filesize

    2.1MB

  • memory/2004-28-0x0000000000400000-0x00000000008EF000-memory.dmp

    Filesize

    4.9MB