Analysis

  • max time kernel
    120s
  • max time network
    119s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-09-2024 21:46

General

  • Target

    e7f84a0cb8ac51a55c6c4df00a948650N.exe

  • Size

    44KB

  • MD5

    e7f84a0cb8ac51a55c6c4df00a948650

  • SHA1

    ea2dd4482c2b813130985bedc2ca2f31712b39ff

  • SHA256

    9997dbed062d6dac78062c02d750683890809ce92b155da23ee11f7e502dfae5

  • SHA512

    ece1adf7d2d0236192754a75bc94e71ce5962e0f12071eb522fc3bce3f198fb1ec0dc94d95f366e739e9e4fe860480203172c487e636df8be8a81d0c45884e5b

  • SSDEEP

    768:bCDOw9UiaKHfjnD0S16avdrQFiLjJvtAqjr4:bCDOw9aMDooc+vAqjU

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
  • 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\e7f84a0cb8ac51a55c6c4df00a948650N.exe
    "C:\Users\Admin\AppData\Local\Temp\e7f84a0cb8ac51a55c6c4df00a948650N.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3420
    • C:\Users\Admin\AppData\Local\Temp\lossy.exe
      "C:\Users\Admin\AppData\Local\Temp\lossy.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4684
  • 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:1212

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      44KB

      MD5

      9c49cc8bafff1db36c2449c64c01c0f4

      SHA1

      97c446b4d278ac15ac98f5a3c95fa5c8ed0c7e0f

      SHA256

      1b997baf60231b0bf2ac975b4aba6c1981c333004a7727d93e614cedddb676f2

      SHA512

      574888cafadf9b7f49f9f82614b1489a04cbaeedbdefe0dda4c8ce4e03d3fe71533352dc057c7d43bcca7f157f3b7a8625e5d439e2a033b98247a6a2c38433c1

    • memory/3420-0-0x0000000008000000-0x000000000800A000-memory.dmp

      Filesize

      40KB

    • memory/3420-1-0x0000000000520000-0x0000000000526000-memory.dmp

      Filesize

      24KB

    • memory/3420-2-0x0000000000520000-0x0000000000526000-memory.dmp

      Filesize

      24KB

    • memory/3420-4-0x0000000000540000-0x0000000000546000-memory.dmp

      Filesize

      24KB

    • memory/3420-17-0x0000000008000000-0x000000000800A000-memory.dmp

      Filesize

      40KB

    • memory/4684-19-0x00000000006C0000-0x00000000006C6000-memory.dmp

      Filesize

      24KB

    • memory/4684-25-0x00000000006A0000-0x00000000006A6000-memory.dmp

      Filesize

      24KB

    • memory/4684-26-0x0000000008000000-0x000000000800A000-memory.dmp

      Filesize

      40KB