Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-10-2024 11:27

General

  • Target

    e513eb020887dd56e85e55803b1afccb24ae116380947993da2e88a71e97be14.exe

  • Size

    364KB

  • MD5

    259572ceada05b5940a3d81727e1bbb9

  • SHA1

    e2306dbbe659272bf699668ed266cd402e4d0d31

  • SHA256

    e513eb020887dd56e85e55803b1afccb24ae116380947993da2e88a71e97be14

  • SHA512

    d41bce00fdf7af762fb45d7a49df612de721af91461898d462d82358ad90e074539453b7b84cde9675d999534ee784258b0f14465bcf3716cd87c13405cccbcf

  • SSDEEP

    6144:nyTcXNIwt7tpWseWcp/Fmo6TAoqmDGclo:nWcHobZ5TT

Score
10/10

Malware Config

Extracted

Family

limerat

Wallets

15o2GcScWkMTUHBbLS2pdvaYbEAs46pEuu

Attributes
  • aes_key

    NadaNasser@1212

  • antivm

    true

  • c2_url

    https://pastebin.com/raw/YRNWGBMr

  • delay

    3

  • download_payload

    false

  • install

    true

  • install_name

    document autorisation.exe

  • main_folder

    Temp

  • pin_spread

    true

  • sub_folder

    \folder\

  • usb_spread

    true

Extracted

Family

limerat

Attributes
  • antivm

    false

  • c2_url

    https://pastebin.com/raw/YRNWGBMr

  • 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
  • Maps connected drives based on registry 3 TTPs 4 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 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\e513eb020887dd56e85e55803b1afccb24ae116380947993da2e88a71e97be14.exe
    "C:\Users\Admin\AppData\Local\Temp\e513eb020887dd56e85e55803b1afccb24ae116380947993da2e88a71e97be14.exe"
    1⤵
    • Checks computer location settings
    • Maps connected drives based on registry
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3304
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Local\Temp\folder\document autorisation.exe'"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:644
    • C:\Users\Admin\AppData\Local\Temp\folder\document autorisation.exe
      "C:\Users\Admin\AppData\Local\Temp\folder\document autorisation.exe"
      2⤵
      • Executes dropped EXE
      • Maps connected drives based on registry
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:3568

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\folder\document autorisation.exe

    Filesize

    364KB

    MD5

    259572ceada05b5940a3d81727e1bbb9

    SHA1

    e2306dbbe659272bf699668ed266cd402e4d0d31

    SHA256

    e513eb020887dd56e85e55803b1afccb24ae116380947993da2e88a71e97be14

    SHA512

    d41bce00fdf7af762fb45d7a49df612de721af91461898d462d82358ad90e074539453b7b84cde9675d999534ee784258b0f14465bcf3716cd87c13405cccbcf

  • memory/3304-3-0x0000000004C00000-0x0000000004C66000-memory.dmp

    Filesize

    408KB

  • memory/3304-2-0x0000000004B40000-0x0000000004BDC000-memory.dmp

    Filesize

    624KB

  • memory/3304-0-0x00000000748CE000-0x00000000748CF000-memory.dmp

    Filesize

    4KB

  • memory/3304-4-0x00000000748C0000-0x0000000075070000-memory.dmp

    Filesize

    7.7MB

  • memory/3304-5-0x0000000005820000-0x0000000005DC4000-memory.dmp

    Filesize

    5.6MB

  • memory/3304-1-0x0000000000170000-0x00000000001D0000-memory.dmp

    Filesize

    384KB

  • memory/3304-16-0x00000000748C0000-0x0000000075070000-memory.dmp

    Filesize

    7.7MB

  • memory/3568-15-0x00000000748C0000-0x0000000075070000-memory.dmp

    Filesize

    7.7MB

  • memory/3568-17-0x00000000748C0000-0x0000000075070000-memory.dmp

    Filesize

    7.7MB

  • memory/3568-18-0x0000000006A50000-0x0000000006AE2000-memory.dmp

    Filesize

    584KB

  • memory/3568-19-0x00000000748C0000-0x0000000075070000-memory.dmp

    Filesize

    7.7MB

  • memory/3568-20-0x00000000748C0000-0x0000000075070000-memory.dmp

    Filesize

    7.7MB