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Analysis

  • max time kernel
    119s
  • 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
    19/08/2024, 05:29

General

  • Target

    1d7a6a0ec43351d6afb4117eda56ad40N.exe

  • Size

    43KB

  • MD5

    1d7a6a0ec43351d6afb4117eda56ad40

  • SHA1

    1034041906406eb24ec6e92c7223d4a679a0e114

  • SHA256

    e755da1c18d880ec127b8ce356176d1d977662728bfd7f2234b527397eff236a

  • SHA512

    845d166288aaae0afc57ddc6ca154c8912544b3f7d302056ecc5b5ca4ba992dcf3a69ab578bd1a67ad00cdcc0e59a9ab7cbe014c0ecdb0b6270e45fd6d502cec

  • SSDEEP

    768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNh4:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYY

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • 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\1d7a6a0ec43351d6afb4117eda56ad40N.exe
    "C:\Users\Admin\AppData\Local\Temp\1d7a6a0ec43351d6afb4117eda56ad40N.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2644
    • C:\Windows\microsofthelp.exe
      "C:\Windows\microsofthelp.exe"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4600
  • 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=4156,i,9445584274764997943,12714240264001792460,262144 --variations-seed-version --mojo-platform-channel-handle=4124 /prefetch:8
    1⤵
      PID:4992

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Windows\microsofthelp.exe

      Filesize

      43KB

      MD5

      e158a92827ccbec502bb6686f1549b8c

      SHA1

      2c98ac37523c6d5e2f60136ad1df7dd71ce96b2d

      SHA256

      2895280d9e1871150e6b8824e9780a7be11491ea5f71389726af933c56a1fb14

      SHA512

      3c24e913fd393c45be9ae92857e6b6ed26c63b3bb704e35f6420ab9b45271885fc70d455572f7767ba4a1a731074a441646efb0afc5f08c8fe0eb46cf07654dd

    • memory/2644-0-0x0000000000400000-0x0000000000403000-memory.dmp

      Filesize

      12KB

    • memory/2644-4-0x0000000000400000-0x0000000000403000-memory.dmp

      Filesize

      12KB

    • memory/4600-6-0x0000000000400000-0x0000000000403000-memory.dmp

      Filesize

      12KB