General

  • Target

    new.exe

  • Size

    45KB

  • Sample

    240929-yf2tgs1erb

  • MD5

    078f1a2a913ba70371d443044db7cc40

  • SHA1

    44010076b38bec2436aa1b853a9670090852744a

  • SHA256

    413fe778ab59f6f665df797beb735c0fcd5b43ef69c24095114284c65a257d17

  • SHA512

    5d541ba26857f1d6c94a74aa66452b9471b516dc3db08e185774a6e4058f6a727a803872e9e1bc9586ac50f3abcb762fc3c28598c785e6ec441fb8da2e725e8e

  • SSDEEP

    768:Tzl6vbR77QVBgqtpYhoQWxZIiqBXWPXCN8z5us0BOHtokRCvM+T+rU0mdId1/:3UbR7IDmJBXWJ51nHtokRcM+u5H/

Malware Config

Extracted

Family

limerat

Attributes
  • aes_key

    123499

  • antivm

    false

  • c2_url

    https://pastebin.com/raw/ZJ0Dhft2

  • delay

    3

  • download_payload

    false

  • install

    false

  • install_name

    Wservices.exe

  • main_folder

    Temp

  • pin_spread

    false

  • sub_folder

    \

  • usb_spread

    false

Extracted

Family

limerat

Attributes
  • antivm

    false

  • c2_url

    https://pastebin.com/raw/ZJ0Dhft2

  • download_payload

    false

  • install

    false

  • pin_spread

    false

  • usb_spread

    false

Targets

    • Target

      new.exe

    • Size

      45KB

    • MD5

      078f1a2a913ba70371d443044db7cc40

    • SHA1

      44010076b38bec2436aa1b853a9670090852744a

    • SHA256

      413fe778ab59f6f665df797beb735c0fcd5b43ef69c24095114284c65a257d17

    • SHA512

      5d541ba26857f1d6c94a74aa66452b9471b516dc3db08e185774a6e4058f6a727a803872e9e1bc9586ac50f3abcb762fc3c28598c785e6ec441fb8da2e725e8e

    • SSDEEP

      768:Tzl6vbR77QVBgqtpYhoQWxZIiqBXWPXCN8z5us0BOHtokRCvM+T+rU0mdId1/:3UbR7IDmJBXWJ51nHtokRcM+u5H/

    • LimeRAT

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

    • Event Triggered Execution: Image File Execution Options Injection

    • Checks computer location settings

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

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Loads dropped DLL

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks