Analysis

  • max time kernel
    193s
  • max time network
    201s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-12-2023 14:43

General

  • Target

    3a2a1bfcbdf9070cc68e582a3bc43068.exe

  • Size

    10.2MB

  • MD5

    3a2a1bfcbdf9070cc68e582a3bc43068

  • SHA1

    80fd702aac9bb5852e710ae91e78e387d4ae9649

  • SHA256

    7535039e5f4924478d10ba5001d7afe7ad712ec2c564e50eb5c5b578513f0eb2

  • SHA512

    a33ee2b26fd0b8c8d811b98a39431f6aab91352780ca98343a45192a5e60d8f3bb74f33fdf9adb4a891fc38f8326ddd3ea862550113019cbb192c0c104ee9574

  • SSDEEP

    98304:+8/04OY5E0b79ZIkl30g2yOEjjs9/g35e7qxTT4ahNuL7e30g2yOEjjs9/g3:+cjE04dZUju/l2xntDuZUju/

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\3a2a1bfcbdf9070cc68e582a3bc43068.exe
    "C:\Users\Admin\AppData\Local\Temp\3a2a1bfcbdf9070cc68e582a3bc43068.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:4744
    • C:\Users\Admin\AppData\Local\Temp\3a2a1bfcbdf9070cc68e582a3bc43068.exe
      C:\Users\Admin\AppData\Local\Temp\3a2a1bfcbdf9070cc68e582a3bc43068.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:3420

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\3a2a1bfcbdf9070cc68e582a3bc43068.exe

    Filesize

    664KB

    MD5

    405d246373df5068de36382e98ab47dd

    SHA1

    e619050b1e06a4483008e7892907e742f682c386

    SHA256

    5a349ead4401473241d860e1d19859cd10bf3999f0eb7a423af6a62a2b6ba92e

    SHA512

    f382c3704922d4d768e96ddade056a001a83bd457a7a42bd47552a6781d6686dde56a60345fab9168fea75b672861a5e9f30e77c9768f1642c6f9e9ef4e21f48

  • memory/3420-14-0x0000000000400000-0x0000000000D9E000-memory.dmp

    Filesize

    9.6MB

  • memory/3420-16-0x0000000002190000-0x00000000023EA000-memory.dmp

    Filesize

    2.4MB

  • memory/3420-30-0x0000000000400000-0x0000000000D9E000-memory.dmp

    Filesize

    9.6MB

  • memory/4744-0-0x0000000000400000-0x0000000000D9E000-memory.dmp

    Filesize

    9.6MB

  • memory/4744-1-0x00000000023B0000-0x000000000260A000-memory.dmp

    Filesize

    2.4MB

  • memory/4744-2-0x0000000000400000-0x0000000000605000-memory.dmp

    Filesize

    2.0MB

  • memory/4744-13-0x0000000000400000-0x0000000000605000-memory.dmp

    Filesize

    2.0MB