Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-05-2024 08:57

General

  • Target

    369caea879ce15a7146b74e59ac7e172faa742d053634bfa436637c150c0c85a.exe

  • Size

    31KB

  • MD5

    cc893a8b514d6874965dd29c0c473732

  • SHA1

    69f56d454e6facba1eadffbdc7c2bf826b01ceaf

  • SHA256

    369caea879ce15a7146b74e59ac7e172faa742d053634bfa436637c150c0c85a

  • SHA512

    9ce978051ec948e2178a2cbbaf3b72d8367b0b711772ab7c903c34362c0ad848d152fd73babdeca5b86a775460075f526e42ddd4a0062b7b0330b45d495ac9e9

  • SSDEEP

    384:71B+Sbj6NKGHU637AHtKnDqD1Hg3IWcvDKNrCeJE3WNgW1+PgpQB6SDi5GbQro3j:7vpG0637wtJA3IWS45NL+PgSB4g8jEP

Score
10/10

Malware Config

Extracted

Family

limerat

Attributes
  • aes_key

    Venom

  • antivm

    true

  • c2_url

    https://pastebin.com/raw/9YkEF3aU

  • delay

    3

  • download_payload

    false

  • install

    true

  • install_name

    Google.exe

  • main_folder

    Temp

  • pin_spread

    true

  • sub_folder

    \system\

  • usb_spread

    true

Extracted

Family

limerat

Attributes
  • antivm

    false

  • c2_url

    https://pastebin.com/raw/9YkEF3aU

  • download_payload

    false

  • install

    false

  • pin_spread

    false

  • usb_spread

    false

Signatures

  • LimeRAT

    Simple yet powerful RAT for Windows machines written in .NET.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\369caea879ce15a7146b74e59ac7e172faa742d053634bfa436637c150c0c85a.exe
    "C:\Users\Admin\AppData\Local\Temp\369caea879ce15a7146b74e59ac7e172faa742d053634bfa436637c150c0c85a.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1816
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Local\Temp\system\Google.exe'"
      2⤵
      • Creates scheduled task(s)
      PID:1044
    • C:\Users\Admin\AppData\Local\Temp\system\Google.exe
      "C:\Users\Admin\AppData\Local\Temp\system\Google.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:3212
  • 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 --no-appcompat-clear --field-trial-handle=3988,i,18168883380598738769,14202261231630113808,262144 --variations-seed-version --mojo-platform-channel-handle=1036 /prefetch:8
    1⤵
      PID:3884

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\system\Google.exe

      Filesize

      31KB

      MD5

      cc893a8b514d6874965dd29c0c473732

      SHA1

      69f56d454e6facba1eadffbdc7c2bf826b01ceaf

      SHA256

      369caea879ce15a7146b74e59ac7e172faa742d053634bfa436637c150c0c85a

      SHA512

      9ce978051ec948e2178a2cbbaf3b72d8367b0b711772ab7c903c34362c0ad848d152fd73babdeca5b86a775460075f526e42ddd4a0062b7b0330b45d495ac9e9

    • memory/1816-0-0x000000007500E000-0x000000007500F000-memory.dmp

      Filesize

      4KB

    • memory/1816-1-0x00000000009F0000-0x00000000009FE000-memory.dmp

      Filesize

      56KB

    • memory/1816-2-0x0000000005230000-0x00000000052CC000-memory.dmp

      Filesize

      624KB

    • memory/1816-3-0x00000000052F0000-0x0000000005356000-memory.dmp

      Filesize

      408KB

    • memory/1816-4-0x0000000075000000-0x00000000757B0000-memory.dmp

      Filesize

      7.7MB

    • memory/1816-5-0x0000000006050000-0x00000000065F4000-memory.dmp

      Filesize

      5.6MB

    • memory/1816-15-0x0000000075000000-0x00000000757B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3212-16-0x0000000075000000-0x00000000757B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3212-17-0x0000000075000000-0x00000000757B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3212-18-0x0000000075000000-0x00000000757B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3212-19-0x0000000075000000-0x00000000757B0000-memory.dmp

      Filesize

      7.7MB