Analysis

  • max time kernel
    149s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/12/2023, 12:56

General

  • Target

    1931e35047eb37924461c071771a2dfd.exe

  • Size

    5.0MB

  • MD5

    1931e35047eb37924461c071771a2dfd

  • SHA1

    3a32ba4c82168ad3a85d4b50e79d45b62a67b62e

  • SHA256

    bcdced2b057f40df479ff23f0bbe2dc7962e2a978694676441a8704af2b83af3

  • SHA512

    a9d35cfdb5bf96b4db75f5cd1028e97f4029b09dcdb5e94a63f969461fa28a0706a97d403cb2af57fb6c48332ad32931b8cc25816edda1dc7bd6b4dc938a2ca5

  • SSDEEP

    49152:tNAx0nr1b4WZObMZKyWcxRDkd1cmc7KYQs8Q66qj6FcF9e/PtAVD0d:XAx0nr1cpbWKTcx5kmVu6lcF9KPtA+

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\1931e35047eb37924461c071771a2dfd.exe
    "C:\Users\Admin\AppData\Local\Temp\1931e35047eb37924461c071771a2dfd.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:4532
    • C:\Users\Admin\AppData\Local\Temp\1931e35047eb37924461c071771a2dfd.exe
      C:\Users\Admin\AppData\Local\Temp\1931e35047eb37924461c071771a2dfd.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:4528

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\1931e35047eb37924461c071771a2dfd.exe

          Filesize

          861KB

          MD5

          be05dd5d76de1946d944790c6bb69499

          SHA1

          fc317a7546338af3e5c901cf4c6d3bc16a76ecec

          SHA256

          69dbd5f0f2de3dbaee1aaf3a01961d7319d66709b711deb7ad47f0d405b8e471

          SHA512

          0cd981cae10f878fcfa9b92c19ff36825aef8d8fea936445671c2767d54014c3ae52eb708c65fccc2bed5ee419c539a7c2397d107a9e7ad4a79b1c2832fa7e50

        • memory/4528-16-0x0000000002090000-0x00000000022BE000-memory.dmp

          Filesize

          2.2MB

        • memory/4528-15-0x0000000000400000-0x00000000005EF000-memory.dmp

          Filesize

          1.9MB

        • memory/4528-14-0x0000000000400000-0x0000000000CE1000-memory.dmp

          Filesize

          8.9MB

        • memory/4528-31-0x0000000000400000-0x0000000000CE1000-memory.dmp

          Filesize

          8.9MB

        • memory/4532-0-0x0000000000400000-0x0000000000CE1000-memory.dmp

          Filesize

          8.9MB

        • memory/4532-1-0x0000000002000000-0x000000000222E000-memory.dmp

          Filesize

          2.2MB

        • memory/4532-2-0x0000000000400000-0x00000000005EF000-memory.dmp

          Filesize

          1.9MB

        • memory/4532-13-0x0000000000400000-0x00000000005EF000-memory.dmp

          Filesize

          1.9MB