Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/08/2024, 09:48

General

  • Target

    d3c0fdc1eff7ccee3038399a717fa780N.exe

  • Size

    55KB

  • MD5

    d3c0fdc1eff7ccee3038399a717fa780

  • SHA1

    cd5445fe8c8068785eb16f6b65c040276c729f85

  • SHA256

    3debcbb2058be98efbd78a54be73399f0b9b89d013ddf2ab2e48f68100e3b78d

  • SHA512

    1a210dec0f1389c2654f49b56ebdf692334a6a2122a979412e8141753f1eb353f20e3a752070d37174aab91483c74e94ebae3605565a5112eed5348278b6b64f

  • SSDEEP

    768:4oMn6f9zSX3e3cZ9SoD8XD33fyEpk58sCuSNcIcXR/QGQeCa57qEQwLGVPyMT18:26f9uusDSoDEXC58kSEYFa1vnLaya6

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d3c0fdc1eff7ccee3038399a717fa780N.exe
    "C:\Users\Admin\AppData\Local\Temp\d3c0fdc1eff7ccee3038399a717fa780N.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5012
    • C:\Users\Admin\AppData\Local\Temp\upsec.exe
      "C:\Users\Admin\AppData\Local\Temp\upsec.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1704
  • 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 --field-trial-handle=4304,i,8548254608087149642,10333768245962368401,262144 --variations-seed-version --mojo-platform-channel-handle=4152 /prefetch:8
    1⤵
      PID:1492

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      55KB

      MD5

      bcef60f60deb14981aa9f8fb5b8313da

      SHA1

      7afbf67f119edef70717d9db8717dbcf8d11c26c

      SHA256

      9285bd0cb8c334e84ca7289cd4d22f37733e8ff065e72694e2e8efa641d1c41f

      SHA512

      c563bee3ade7d69ad9602f7e416c3e36b647241cfaf6653c287c1cb08a403d7e8455218c00c0fc8a8095cb38ed44748112d6e817c60d6ecee17ba799329c9c3f

    • memory/1704-12-0x0000000000400000-0x0000000000412000-memory.dmp

      Filesize

      72KB

    • memory/1704-15-0x0000000000400000-0x0000000000412000-memory.dmp

      Filesize

      72KB

    • memory/1704-17-0x0000000004000000-0x0000000004005000-memory.dmp

      Filesize

      20KB

    • memory/5012-0-0x0000000000400000-0x0000000000412000-memory.dmp

      Filesize

      72KB

    • memory/5012-1-0x0000000004000000-0x0000000004005000-memory.dmp

      Filesize

      20KB

    • memory/5012-2-0x0000000004000000-0x0000000004005000-memory.dmp

      Filesize

      20KB

    • memory/5012-11-0x0000000000400000-0x0000000000412000-memory.dmp

      Filesize

      72KB