Analysis

  • max time kernel
    142s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-03-2024 00:24

General

  • Target

    c1fc303260dd8a9534b9ec64aa0d4c87.exe

  • Size

    133KB

  • MD5

    c1fc303260dd8a9534b9ec64aa0d4c87

  • SHA1

    999bd6c786b8684796e37a7f2b61a634747df497

  • SHA256

    86e119a6bfaedda53e84a73024663d50963cee73698b6dcb5948fe52bddbb91a

  • SHA512

    8eb316dfa81f8408b8ed18e99b64960fbf12d5d585662fc4c49eebbe2a94c544515a1ed4f5426562c5d0b7c67920946324c8ad3dbcc65ae1dcaae42321864a8e

  • SSDEEP

    3072:2DDckiwjLUazBe34q2OMOmpHZL0eIltCDBiwetBFjlzozfQ:VkVHHyEOvwZNc8Biw8bj1MfQ

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 2 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\c1fc303260dd8a9534b9ec64aa0d4c87.exe
    "C:\Users\Admin\AppData\Local\Temp\c1fc303260dd8a9534b9ec64aa0d4c87.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3180
    • C:\Users\Admin\AppData\Local\Temp\c1fc303260dd8a9534b9ec64aa0d4c87.exe
      C:\Users\Admin\AppData\Local\Temp\c1fc303260dd8a9534b9ec64aa0d4c87.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:380
  • 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=1404 --field-trial-handle=2328,i,5873823382323802923,13134441441264702821,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:2020

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\c1fc303260dd8a9534b9ec64aa0d4c87.exe

      Filesize

      133KB

      MD5

      b32b3d5cfe50e047e71cc6e19875e5a6

      SHA1

      2d4b58237a55902dc4b2000840b203283cf7623e

      SHA256

      0f93b9083c25f27bf1a6ebf0bad1cb07e4614133673730a414060bf8bcbabc33

      SHA512

      db22c323697f8a054e680b17da285eed8330fcc01522dc817bd6158415483bd55d32a8231a5762997f28968e96b0391c07ae285e23821fbdb1bd656df07e5f00

    • memory/380-14-0x00000000000D0000-0x00000000000F1000-memory.dmp

      Filesize

      132KB

    • memory/380-16-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/380-15-0x0000000000400000-0x0000000000486000-memory.dmp

      Filesize

      536KB

    • memory/380-31-0x0000000000400000-0x0000000000486000-memory.dmp

      Filesize

      536KB

    • memory/3180-0-0x0000000000400000-0x0000000000486000-memory.dmp

      Filesize

      536KB

    • memory/3180-1-0x00000000000F0000-0x0000000000111000-memory.dmp

      Filesize

      132KB

    • memory/3180-2-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/3180-13-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB