Analysis

  • max time kernel
    145s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/03/2024, 08:57

General

  • Target

    d5b71aefd3199f91785da240c0c131c8.exe

  • Size

    133KB

  • MD5

    d5b71aefd3199f91785da240c0c131c8

  • SHA1

    44a65c9c64807898c31dcfd65f233ff13b55be61

  • SHA256

    e64bc5829602db41c57801e1982aa190776695457c02a86fad242f1ceebaa549

  • SHA512

    ddc935a5a949e24bd4c58f80a5999f994b91aba0d4f6f5328faeb0ef65b89d266e1f09b10534a5f9003448ba17c4fcac25517f40cc4d2af5357d995f7b505375

  • SSDEEP

    3072:DmAzMhk/zmVmN48MTIg96sXQdZkrDHjEs9b8RXqw9O8Q:DFMtq487g0sAdIJIRdO8Q

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\d5b71aefd3199f91785da240c0c131c8.exe
    "C:\Users\Admin\AppData\Local\Temp\d5b71aefd3199f91785da240c0c131c8.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1940
    • C:\Users\Admin\AppData\Local\Temp\d5b71aefd3199f91785da240c0c131c8.exe
      C:\Users\Admin\AppData\Local\Temp\d5b71aefd3199f91785da240c0c131c8.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:4980
  • 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=1032 --field-trial-handle=3044,i,17059189006398306756,4247826696353232857,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:5312

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\d5b71aefd3199f91785da240c0c131c8.exe

      Filesize

      133KB

      MD5

      cd4b0914888d0f7c9de1c8d5732336c1

      SHA1

      2d6aa86674833d6b4583a0587153f488dbfa7d2e

      SHA256

      3d01a4526cfdaebf2f9e1127ac3e8d609c73d99cd81042cb9523e4548cc29683

      SHA512

      1f3ea1ce6909e2c90b9b3bc170b6e28e7c96c1620c538538deb3e99f6f0dd2154a6841b3799965397126cb2ef501aca05e82e83ed08b17fba8449b1fb4430205

    • memory/1940-0-0x0000000000400000-0x0000000000486000-memory.dmp

      Filesize

      536KB

    • memory/1940-1-0x00000000001D0000-0x00000000001F1000-memory.dmp

      Filesize

      132KB

    • memory/1940-2-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/1940-13-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/4980-14-0x0000000000400000-0x0000000000486000-memory.dmp

      Filesize

      536KB

    • memory/4980-15-0x00000000000D0000-0x00000000000F1000-memory.dmp

      Filesize

      132KB

    • memory/4980-16-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/4980-31-0x0000000000400000-0x0000000000486000-memory.dmp

      Filesize

      536KB