Analysis

  • max time kernel
    30s
  • max time network
    106s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-12-2023 20:29

General

  • Target

    0326a01e202e50933445082426a1a51b.exe

  • Size

    5.5MB

  • MD5

    0326a01e202e50933445082426a1a51b

  • SHA1

    354925aa41f9075fe9d13e60f47b84c698a8d904

  • SHA256

    8c7f1ba34d180b20d30606173812783cbb9e9fb766992c77447a4366c8a6fcfb

  • SHA512

    d9fbc41f53e85fd86f386dee4f8aa6db921cad7ead43a71f0eb686b41992b50c814c5dada8e234bdaf0b8f97b1e81e5338537701c94bcc250cef40a403aee3f7

  • SSDEEP

    98304:NCT+8FC/lL+HFJq8ZPm35mCckFR+vicS43:N4FC/lLaLq8k33FR+6c

Score
7/10
upx

Malware Config

Signatures

  • 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\0326a01e202e50933445082426a1a51b.exe
    "C:\Users\Admin\AppData\Local\Temp\0326a01e202e50933445082426a1a51b.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:316
    • C:\Users\Admin\AppData\Local\Temp\0326a01e202e50933445082426a1a51b.exe
      C:\Users\Admin\AppData\Local\Temp\0326a01e202e50933445082426a1a51b.exe
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:3176

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\0326a01e202e50933445082426a1a51b.exe

    Filesize

    48KB

    MD5

    9093acf9363602ed4639860aed04c67e

    SHA1

    bcd80f93d16f29027706e9e639303c163b313622

    SHA256

    1457e0a26a9b75f13f8f1256a67c4f2d8ecc21011f9e0842ff648b245a35fc96

    SHA512

    135541a44a86aa9446b944b2c2f0bfd28512673a227feffc23d6f3cd75b08e1d91d89f0117db2940f7ec3b222bf584c6d19373fadadbf639ac9c111dbe300fbd

  • memory/316-1-0x0000000002410000-0x000000000266A000-memory.dmp

    Filesize

    2.4MB

  • memory/316-2-0x0000000000400000-0x0000000000605000-memory.dmp

    Filesize

    2.0MB

  • memory/316-0-0x0000000000400000-0x0000000000D9E000-memory.dmp

    Filesize

    9.6MB

  • memory/316-13-0x0000000000400000-0x0000000000605000-memory.dmp

    Filesize

    2.0MB

  • memory/3176-17-0x0000000002200000-0x000000000245A000-memory.dmp

    Filesize

    2.4MB

  • memory/3176-15-0x0000000000400000-0x0000000000D9E000-memory.dmp

    Filesize

    9.6MB

  • memory/3176-30-0x0000000000400000-0x0000000000D9E000-memory.dmp

    Filesize

    9.6MB