Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-06-2024 09:46

General

  • Target

    c9bc1fdfd47f19c1af3631334c0687809cb0d4f5307af3037823212539d81c20.exe

  • Size

    262KB

  • MD5

    707a6fa9d0dfc998063525e6697402b1

  • SHA1

    e5a930dab328f46a1f7f9b25115b08a8666616e4

  • SHA256

    c9bc1fdfd47f19c1af3631334c0687809cb0d4f5307af3037823212539d81c20

  • SHA512

    80d682e357f08fd02abfc255000cc4ba0d7b8ca705a850f78822c61fa4c7a702984ca2f8e73500dab33964a43bba7098b16e1a3ad7bb9375f34b698377b878f1

  • SSDEEP

    3072:kJ3DOOITimBCpBigzNm1VD4Uh4iYatRlgpa/hz58O0Bz65/M6If+3Js+3JFkKeTn:WDdb7Tz0T4ihtz8WzYxBt25

Score
10/10

Malware Config

Extracted

Family

limerat

Attributes
  • antivm

    false

  • c2_url

    https://pastebin.com/raw/6bPeUTd1

  • 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 5 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 3 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c9bc1fdfd47f19c1af3631334c0687809cb0d4f5307af3037823212539d81c20.exe
    "C:\Users\Admin\AppData\Local\Temp\c9bc1fdfd47f19c1af3631334c0687809cb0d4f5307af3037823212539d81c20.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2852
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Local\Temp\System\Plugin.exe'"
      2⤵
      • Creates scheduled task(s)
      PID:3512
    • C:\Users\Admin\AppData\Local\Temp\System\Plugin.exe
      "C:\Users\Admin\AppData\Local\Temp\System\Plugin.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:532

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\System\Plugin.exe

    Filesize

    262KB

    MD5

    707a6fa9d0dfc998063525e6697402b1

    SHA1

    e5a930dab328f46a1f7f9b25115b08a8666616e4

    SHA256

    c9bc1fdfd47f19c1af3631334c0687809cb0d4f5307af3037823212539d81c20

    SHA512

    80d682e357f08fd02abfc255000cc4ba0d7b8ca705a850f78822c61fa4c7a702984ca2f8e73500dab33964a43bba7098b16e1a3ad7bb9375f34b698377b878f1

  • memory/532-18-0x0000000074E30000-0x00000000755E0000-memory.dmp

    Filesize

    7.7MB

  • memory/532-16-0x0000000074E30000-0x00000000755E0000-memory.dmp

    Filesize

    7.7MB

  • memory/532-17-0x0000000074E30000-0x00000000755E0000-memory.dmp

    Filesize

    7.7MB

  • memory/532-19-0x0000000074E30000-0x00000000755E0000-memory.dmp

    Filesize

    7.7MB

  • memory/532-20-0x0000000074E30000-0x00000000755E0000-memory.dmp

    Filesize

    7.7MB

  • memory/2852-2-0x0000000005910000-0x00000000059AC000-memory.dmp

    Filesize

    624KB

  • memory/2852-3-0x0000000074E30000-0x00000000755E0000-memory.dmp

    Filesize

    7.7MB

  • memory/2852-4-0x00000000059F0000-0x0000000005A56000-memory.dmp

    Filesize

    408KB

  • memory/2852-5-0x0000000006610000-0x0000000006BB4000-memory.dmp

    Filesize

    5.6MB

  • memory/2852-1-0x0000000000F00000-0x0000000000F48000-memory.dmp

    Filesize

    288KB

  • memory/2852-15-0x0000000074E30000-0x00000000755E0000-memory.dmp

    Filesize

    7.7MB

  • memory/2852-0-0x0000000074E3E000-0x0000000074E3F000-memory.dmp

    Filesize

    4KB