Analysis

  • max time kernel
    142s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/02/2024, 01:19

General

  • Target

    aaa3903242b764bd29e5dece2d65cc7d.exe

  • Size

    2.6MB

  • MD5

    aaa3903242b764bd29e5dece2d65cc7d

  • SHA1

    03a55b801c38c3543c21b17b3e200089865c6489

  • SHA256

    4856bf58a0f1ca531cfb65c0dc00b2cac0498d8c508f8a7a5cd96627c380c1b3

  • SHA512

    1b199c327f8eccfeda460413e837b638ba03d3b37605833d6456c9910f6e4885e14a37e023d1f99fe3774bda3ea063d82c76a33d2b56638527e7e93cb783ee0a

  • SSDEEP

    49152:YVMMCdlOHFNYlmN6ZJbO2mx6AUKSrnL/Q42TNxLJ4I2A8Y5yay3:qNY46DB2x94bpY83

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\aaa3903242b764bd29e5dece2d65cc7d.exe
    "C:\Users\Admin\AppData\Local\Temp\aaa3903242b764bd29e5dece2d65cc7d.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:4716
    • C:\Users\Admin\AppData\Local\Temp\aaa3903242b764bd29e5dece2d65cc7d.exe
      C:\Users\Admin\AppData\Local\Temp\aaa3903242b764bd29e5dece2d65cc7d.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:4008
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4068 --field-trial-handle=2236,i,5367110156796017614,12594004256180761011,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:776

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\aaa3903242b764bd29e5dece2d65cc7d.exe

      Filesize

      1.3MB

      MD5

      13bdd1a47e5dcbb8a68fb077f743de11

      SHA1

      4d8d86503559cf7756d737473f821780f8e35505

      SHA256

      13d2364aea631a909eb7d3521c14f9d000ef92fea6d13b22d17d321a5ad5465c

      SHA512

      cf23bf16ca0f75b97b876a1ed166d889caddef32dd75f41598ff2b5e21bd998d921cc8ae8d2fb8c1bc9e1b5e237cafcda95fd4d251d495b067373d0aff17e357

    • memory/4008-14-0x0000000000400000-0x0000000000D9E000-memory.dmp

      Filesize

      9.6MB

    • memory/4008-15-0x0000000002280000-0x00000000024DA000-memory.dmp

      Filesize

      2.4MB

    • memory/4008-31-0x0000000000400000-0x0000000000D9E000-memory.dmp

      Filesize

      9.6MB

    • memory/4716-0-0x0000000000400000-0x0000000000D9E000-memory.dmp

      Filesize

      9.6MB

    • memory/4716-1-0x00000000023B0000-0x000000000260A000-memory.dmp

      Filesize

      2.4MB

    • memory/4716-2-0x0000000000400000-0x0000000000605000-memory.dmp

      Filesize

      2.0MB

    • memory/4716-13-0x0000000000400000-0x0000000000605000-memory.dmp

      Filesize

      2.0MB