Analysis

  • max time kernel
    116s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2024 23:20

General

  • Target

    f70f4b3725e2cf2143027082b3a778e927b271771bc30fe549d6d3211a84490d.exe

  • Size

    90KB

  • MD5

    e81693f9a731484df8f6731e1f2bbaf2

  • SHA1

    8d7466cb1bb14fcfce6a75249427112b4297f755

  • SHA256

    f70f4b3725e2cf2143027082b3a778e927b271771bc30fe549d6d3211a84490d

  • SHA512

    8debd9d1abd20719b3408713c8438536458ce64374799e279eb2957753e1d8f5cc5a68590042e82e37b19443f46257e2ef1a92e20ca1aed30550f872cb056a20

  • SSDEEP

    1536:j18S+HEBWbsocH3jLUJL4ySLtRvhaOzh4O9h6h91XvDldwCefK:3+kkY0JLl6tGE4kh6hLlr

Score
10/10

Malware Config

Extracted

Family

limerat

Attributes
  • antivm

    false

  • c2_url

    https://pastebin.com/raw/UdLDJHDy

  • download_payload

    false

  • install

    false

  • pin_spread

    false

  • usb_spread

    false

Signatures

  • LimeRAT

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

  • Limerat family
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 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).

  • 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 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f70f4b3725e2cf2143027082b3a778e927b271771bc30fe549d6d3211a84490d.exe
    "C:\Users\Admin\AppData\Local\Temp\f70f4b3725e2cf2143027082b3a778e927b271771bc30fe549d6d3211a84490d.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1892
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\explore.exe'"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2580
    • C:\Users\Admin\explore.exe
      "C:\Users\Admin\explore.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:836

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\explore.exe

    Filesize

    90KB

    MD5

    e81693f9a731484df8f6731e1f2bbaf2

    SHA1

    8d7466cb1bb14fcfce6a75249427112b4297f755

    SHA256

    f70f4b3725e2cf2143027082b3a778e927b271771bc30fe549d6d3211a84490d

    SHA512

    8debd9d1abd20719b3408713c8438536458ce64374799e279eb2957753e1d8f5cc5a68590042e82e37b19443f46257e2ef1a92e20ca1aed30550f872cb056a20

  • memory/836-15-0x00000000003C0000-0x00000000003DC000-memory.dmp

    Filesize

    112KB

  • memory/836-16-0x0000000073EA0000-0x000000007458E000-memory.dmp

    Filesize

    6.9MB

  • memory/836-17-0x0000000073EA0000-0x000000007458E000-memory.dmp

    Filesize

    6.9MB

  • memory/836-19-0x0000000073EA0000-0x000000007458E000-memory.dmp

    Filesize

    6.9MB

  • memory/836-20-0x0000000073EA0000-0x000000007458E000-memory.dmp

    Filesize

    6.9MB

  • memory/1892-0-0x0000000073EAE000-0x0000000073EAF000-memory.dmp

    Filesize

    4KB

  • memory/1892-1-0x0000000000EB0000-0x0000000000ECC000-memory.dmp

    Filesize

    112KB

  • memory/1892-2-0x00000000003A0000-0x00000000003C8000-memory.dmp

    Filesize

    160KB

  • memory/1892-3-0x0000000000420000-0x0000000000426000-memory.dmp

    Filesize

    24KB

  • memory/1892-4-0x0000000073EA0000-0x000000007458E000-memory.dmp

    Filesize

    6.9MB

  • memory/1892-18-0x0000000073EA0000-0x000000007458E000-memory.dmp

    Filesize

    6.9MB