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Analysis

  • max time kernel
    119s
  • max time network
    121s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/09/2024, 02:18

General

  • Target

    12f99b764e714f1195e08c6b4ac82180N.exe

  • Size

    50KB

  • MD5

    12f99b764e714f1195e08c6b4ac82180

  • SHA1

    4625d07884ce3e74cdde6d3290b501aed9892d81

  • SHA256

    1e2814815adfcf81f8542db21bc0ea6f5b2efd97457b8ca2a442a24c2b14d78f

  • SHA512

    a070b52da5f6ee36efe21c91c1c2247a733046a54b8aa0cef25275638e04f6878d0a0413aa4ed63e1ce6b237ce5e9d1d2e497d885bae96d474822f807ab98d53

  • SSDEEP

    1536:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYVFl2g5u58dO0xXHQEyYfdhNhFO5h3xhIE:+MA6C1VqaqhtgVRNToV7TtRu8rM0wYVG

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\12f99b764e714f1195e08c6b4ac82180N.exe
    "C:\Users\Admin\AppData\Local\Temp\12f99b764e714f1195e08c6b4ac82180N.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:768
    • C:\Windows\microsofthelp.exe
      "C:\Windows\microsofthelp.exe"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2216
  • 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=4512,i,10597648459838880772,16562651767759956329,262144 --variations-seed-version --mojo-platform-channel-handle=4344 /prefetch:8
    1⤵
      PID:3044

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\microsofthelp.exe

      Filesize

      50KB

      MD5

      6eb9e4f5eef09d02e1c1a240fc6bcda4

      SHA1

      e10f039a1766c71f29c98fe26a029675f92992d7

      SHA256

      83cfeece5caf331f95c071c95bc131eb13dd0cc4716bcc27361b506e57ce56e9

      SHA512

      9af1bcef04c02d2b95e9513b40bdbd79a966e0b6909979133d758ffaeb64520825df147bd985847500714da38912414f57769feb7cf5c1490e6cc91645d6855e

    • memory/768-0-0x0000000000400000-0x0000000000403000-memory.dmp

      Filesize

      12KB

    • memory/768-6-0x0000000000400000-0x0000000000403000-memory.dmp

      Filesize

      12KB

    • memory/2216-5-0x0000000000400000-0x0000000000403000-memory.dmp

      Filesize

      12KB

    • memory/2216-7-0x0000000000400000-0x0000000000403000-memory.dmp

      Filesize

      12KB