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Analysis

  • max time kernel
    149s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/08/2024, 20:15

General

  • Target

    290650231e3ba32135a19421ff8fc05d3aa2d3bdc6c8804be104b0bf51ed646a.exe

  • Size

    52KB

  • MD5

    43daee431e96ef8668d3219fb0c5fb7a

  • SHA1

    14e105e578dd8b91d2391d13bf0e7ec11ba1e539

  • SHA256

    290650231e3ba32135a19421ff8fc05d3aa2d3bdc6c8804be104b0bf51ed646a

  • SHA512

    912910cd483742e17a40a4829272876fd2d65b7b373d698970ac06382c74c955aec0c0182391f6796aea3d5e9938c7d31ae1bbe19bed0aa7d75308c12c58d444

  • SSDEEP

    1536:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYVFl2g5u58dO0xXHQEyYfdhNhFO5h3xhIF:+MA6C1VqaqhtgVRNToV7TtRu8rM0wYV/

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\290650231e3ba32135a19421ff8fc05d3aa2d3bdc6c8804be104b0bf51ed646a.exe
    "C:\Users\Admin\AppData\Local\Temp\290650231e3ba32135a19421ff8fc05d3aa2d3bdc6c8804be104b0bf51ed646a.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3252
    • C:\Windows\microsofthelp.exe
      "C:\Windows\microsofthelp.exe"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2760
  • 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=4616,i,15336851255456239337,16379811035920490645,262144 --variations-seed-version --mojo-platform-channel-handle=1008 /prefetch:8
    1⤵
      PID:60

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Windows\microsofthelp.exe

      Filesize

      52KB

      MD5

      61932c5e836a8c9f9120ad0560b6bcb5

      SHA1

      75edfaf4a1c0b3fd7c8236007b02739a3ecdce35

      SHA256

      8fe7053fd46758ff99436225649ae6186f28bcaeadb02f5f18981a58d59ae638

      SHA512

      7d05831252d128667c893e696d38a90beeceb06aaccc278e509ea0489961bd94c25f8479809fdc9f09ec2411a69a76e000440e5d0cac8fcac89fa48fe3ca4f20

    • memory/2760-6-0x0000000000400000-0x0000000000403000-memory.dmp

      Filesize

      12KB

    • memory/3252-0-0x0000000000400000-0x0000000000403000-memory.dmp

      Filesize

      12KB

    • memory/3252-5-0x0000000000400000-0x0000000000403000-memory.dmp

      Filesize

      12KB