General

  • Target

    59aa84cf2e843581002f74710e77dc9e

  • Size

    447KB

  • Sample

    220510-bkhj3seef4

  • MD5

    59aa84cf2e843581002f74710e77dc9e

  • SHA1

    1115bc89c2b32ebe0897a0dfad12fb73b63d686c

  • SHA256

    9076b1f904d3f53fcad6a38b7852ed9cb08905f71560dde89db1026c839b77bd

  • SHA512

    76cdfd5669f9f82414c12dbfec251009cb453d0ceaa95486bb86bf5311f64f50ad7dcdc151954fdb953049f966d86c6ca14dbfc14947c72776c3d44c69dab42a

Malware Config

Extracted

Family

limerat

Wallets

12Y8dNBQJHaFWsRnKLnYp3kJff6SmrDAaR

Attributes
  • aes_key

    beodz

  • antivm

    false

  • c2_url

    https://pastebin.com/raw/nEZ87Pwx

  • delay

    3

  • download_payload

    false

  • install

    true

  • install_name

    winlogins.exe

  • main_folder

    AppData

  • pin_spread

    false

  • sub_folder

    \AppData\Windows Protector\

  • usb_spread

    false

Targets

    • Target

      59aa84cf2e843581002f74710e77dc9e

    • Size

      447KB

    • MD5

      59aa84cf2e843581002f74710e77dc9e

    • SHA1

      1115bc89c2b32ebe0897a0dfad12fb73b63d686c

    • SHA256

      9076b1f904d3f53fcad6a38b7852ed9cb08905f71560dde89db1026c839b77bd

    • SHA512

      76cdfd5669f9f82414c12dbfec251009cb453d0ceaa95486bb86bf5311f64f50ad7dcdc151954fdb953049f966d86c6ca14dbfc14947c72776c3d44c69dab42a

    • LimeRAT

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

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • XMRig Miner Payload

    • Blocklisted process makes network request

    • Disables Task Manager via registry modification

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

    • Checks computer location settings

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

    • Drops startup file

    • Loads dropped DLL

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

MITRE ATT&CK Enterprise v6

Tasks