Analysis

  • max time kernel
    153s
  • max time network
    169s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-03-2024 02:35

General

  • Target

    c4c1ec1fa551a3cc04b1085e2887fdcf.exe

  • Size

    302KB

  • MD5

    c4c1ec1fa551a3cc04b1085e2887fdcf

  • SHA1

    462fb48d73fe6ac36aae921b06723088826f476b

  • SHA256

    afb568bce1ed7019582a838a969262a239ef59d5d72d22166f75c6e0f1c95399

  • SHA512

    ef7873619b62400203780c3e0d82654d0b46548985eeb4735b141c26417b56bc29b02b0578a553a421cacfda93cd65eb68060c47ea0fe57bfbfdf9b773271927

  • SSDEEP

    6144:e2urZd/bzOp5CV+Tii9KJSYP4FjmZTuxmQ:6fW5EMLYP4FydOm

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\c4c1ec1fa551a3cc04b1085e2887fdcf.exe
    "C:\Users\Admin\AppData\Local\Temp\c4c1ec1fa551a3cc04b1085e2887fdcf.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:5084
    • C:\Users\Admin\AppData\Local\Temp\c4c1ec1fa551a3cc04b1085e2887fdcf.exe
      C:\Users\Admin\AppData\Local\Temp\c4c1ec1fa551a3cc04b1085e2887fdcf.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:4928
  • 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=1348 --field-trial-handle=2280,i,716736634476467098,11449718822158202904,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:2180

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\c4c1ec1fa551a3cc04b1085e2887fdcf.exe

      Filesize

      302KB

      MD5

      1bc16c74e349078d3dfca77fefafc3f9

      SHA1

      3936b402ba337a88611f5ad2aa3fc7a2473e9381

      SHA256

      0eb50be409a4b621621a07d586327cbafd3140cb6bd8aefec44a9cda6f1e3431

      SHA512

      1dcab9202e97aaa5833e54dcda19c8c8ea00fbb332154882da35789d592e5dcb347b558240d6704b860d38a37eac1efeb14e622d73237d4226d6853f2a8a4962

    • memory/4928-15-0x0000000000400000-0x00000000004E0000-memory.dmp

      Filesize

      896KB

    • memory/4928-17-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/4928-16-0x00000000014E0000-0x0000000001511000-memory.dmp

      Filesize

      196KB

    • memory/4928-31-0x0000000000400000-0x00000000004E0000-memory.dmp

      Filesize

      896KB

    • memory/5084-0-0x0000000000400000-0x00000000004E0000-memory.dmp

      Filesize

      896KB

    • memory/5084-1-0x00000000014E0000-0x0000000001511000-memory.dmp

      Filesize

      196KB

    • memory/5084-2-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/5084-14-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB