Analysis

  • max time kernel
    144s
  • max time network
    161s
  • 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 06:49

General

  • Target

    2c3a93724af4c951c4d5d540b8b6d891.exe

  • Size

    5.1MB

  • MD5

    2c3a93724af4c951c4d5d540b8b6d891

  • SHA1

    8adccabfad7f84a8665ca1921bbc43444a3db538

  • SHA256

    45d4bfdc425fdce112d9dd2adb45dbcbda1dfb921cd74ea0461ab93bb24e49cf

  • SHA512

    814186eccafceb9c5b6562de0f973666923a8a02311dc4efbf4c007a9f7e724f3486932d246b5bb19625194ed68ce84698284b3104904a973a5250fbaf29dc7c

  • SSDEEP

    49152:cEgtEd/8mqt5Ln5nMNX7Ni5ahh1TfJ8lGcbMTWjDpRXBfQay3Qwa5cCbcmhbT2ct:c4WMjiqhrA3NI3QwcjMrbWt48v3

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\2c3a93724af4c951c4d5d540b8b6d891.exe
    "C:\Users\Admin\AppData\Local\Temp\2c3a93724af4c951c4d5d540b8b6d891.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3212
    • C:\Users\Admin\AppData\Local\Temp\2c3a93724af4c951c4d5d540b8b6d891.exe
      C:\Users\Admin\AppData\Local\Temp\2c3a93724af4c951c4d5d540b8b6d891.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:1028

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\2c3a93724af4c951c4d5d540b8b6d891.exe

    Filesize

    57KB

    MD5

    383d5020c5757b391dda828fc9767d86

    SHA1

    2d45e97458323b5a2493d5d26316cd4a8e7f58f7

    SHA256

    348e1f8c07943d0f7959704124112358ed89dd14d876d180864c1867eda6fe2a

    SHA512

    cb77e46df18c1b28f0780ed77c9a85751a1f5f8872c2ef2506b2e95e515b7114aae6bf81cade260eb4bac0e2ad269458a829ea5d9162b9f103960abd673bb9db

  • memory/1028-15-0x0000000000400000-0x0000000000D9E000-memory.dmp

    Filesize

    9.6MB

  • memory/1028-17-0x0000000002220000-0x000000000247A000-memory.dmp

    Filesize

    2.4MB

  • memory/1028-31-0x0000000000400000-0x0000000000D9E000-memory.dmp

    Filesize

    9.6MB

  • memory/3212-0-0x0000000000400000-0x0000000000D9E000-memory.dmp

    Filesize

    9.6MB

  • memory/3212-1-0x0000000002280000-0x00000000024DA000-memory.dmp

    Filesize

    2.4MB

  • memory/3212-2-0x0000000000400000-0x0000000000605000-memory.dmp

    Filesize

    2.0MB

  • memory/3212-13-0x0000000000400000-0x0000000000605000-memory.dmp

    Filesize

    2.0MB