Analysis

  • max time kernel
    151s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-11-2023 10:14

General

  • Target

    d255640baa010d37fbf434c4ce3b9766a4bc0f642792786ef7b68acf72d6dbcb.exe

  • Size

    1.2MB

  • MD5

    5dcb26cbf1c756d107fdbe32fb41c1c3

  • SHA1

    1def45e69c25fbddcb11858ea9d765ad1ca4e4c5

  • SHA256

    d255640baa010d37fbf434c4ce3b9766a4bc0f642792786ef7b68acf72d6dbcb

  • SHA512

    eed9fa1ca7031e7560c857aaa1cb620c0ba2b9e3d7e4cf36a5596da51773ba1bec7135b484d27bda2e682386bc2f8552912aa4a8ba335d8b166ef5ac8ef013b1

  • SSDEEP

    24576:jpHeEsbf+XmWAn5oG8h/NANypdHgSOs1NSV9EDgYoWnC0/vvDJ:Vxszv35GlNAadHw+NSV9EDgNev

Score
10/10

Malware Config

Extracted

Family

limerat

Attributes
  • aes_key

    123

  • antivm

    true

  • c2_url

    https://pastebin.com/raw/Pwvd6TXb

  • delay

    3

  • download_payload

    false

  • install

    true

  • install_name

    Bhop.exe

  • main_folder

    AppData

  • pin_spread

    false

  • sub_folder

    \

  • usb_spread

    true

Extracted

Family

limerat

Attributes
  • antivm

    false

  • c2_url

    https://pastebin.com/raw/Pwvd6TXb

  • 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
  • Suspicious use of NtSetInformationThreadHideFromDebugger 17 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • LimeRat 3 IoCs

    LimeRat.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 27 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d255640baa010d37fbf434c4ce3b9766a4bc0f642792786ef7b68acf72d6dbcb.exe
    "C:\Users\Admin\AppData\Local\Temp\d255640baa010d37fbf434c4ce3b9766a4bc0f642792786ef7b68acf72d6dbcb.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2080
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Roaming\Bhop.exe'"
      2⤵
      • Creates scheduled task(s)
      PID:5088
    • C:\Users\Admin\AppData\Roaming\Bhop.exe
      "C:\Users\Admin\AppData\Roaming\Bhop.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4940

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\Bhop.exe

    Filesize

    1.2MB

    MD5

    5dcb26cbf1c756d107fdbe32fb41c1c3

    SHA1

    1def45e69c25fbddcb11858ea9d765ad1ca4e4c5

    SHA256

    d255640baa010d37fbf434c4ce3b9766a4bc0f642792786ef7b68acf72d6dbcb

    SHA512

    eed9fa1ca7031e7560c857aaa1cb620c0ba2b9e3d7e4cf36a5596da51773ba1bec7135b484d27bda2e682386bc2f8552912aa4a8ba335d8b166ef5ac8ef013b1

  • C:\Users\Admin\AppData\Roaming\Bhop.exe

    Filesize

    1.2MB

    MD5

    5dcb26cbf1c756d107fdbe32fb41c1c3

    SHA1

    1def45e69c25fbddcb11858ea9d765ad1ca4e4c5

    SHA256

    d255640baa010d37fbf434c4ce3b9766a4bc0f642792786ef7b68acf72d6dbcb

    SHA512

    eed9fa1ca7031e7560c857aaa1cb620c0ba2b9e3d7e4cf36a5596da51773ba1bec7135b484d27bda2e682386bc2f8552912aa4a8ba335d8b166ef5ac8ef013b1

  • C:\Users\Admin\AppData\Roaming\Bhop.exe

    Filesize

    1.2MB

    MD5

    5dcb26cbf1c756d107fdbe32fb41c1c3

    SHA1

    1def45e69c25fbddcb11858ea9d765ad1ca4e4c5

    SHA256

    d255640baa010d37fbf434c4ce3b9766a4bc0f642792786ef7b68acf72d6dbcb

    SHA512

    eed9fa1ca7031e7560c857aaa1cb620c0ba2b9e3d7e4cf36a5596da51773ba1bec7135b484d27bda2e682386bc2f8552912aa4a8ba335d8b166ef5ac8ef013b1

  • memory/2080-4-0x0000000006060000-0x00000000060C6000-memory.dmp

    Filesize

    408KB

  • memory/2080-21-0x0000000074510000-0x0000000074CC0000-memory.dmp

    Filesize

    7.7MB

  • memory/2080-5-0x0000000006140000-0x0000000006150000-memory.dmp

    Filesize

    64KB

  • memory/2080-7-0x0000000006DC0000-0x0000000007364000-memory.dmp

    Filesize

    5.6MB

  • memory/2080-3-0x0000000005FC0000-0x000000000605C000-memory.dmp

    Filesize

    624KB

  • memory/2080-2-0x0000000000520000-0x00000000008D4000-memory.dmp

    Filesize

    3.7MB

  • memory/2080-1-0x0000000074510000-0x0000000074CC0000-memory.dmp

    Filesize

    7.7MB

  • memory/2080-0-0x0000000000520000-0x00000000008D4000-memory.dmp

    Filesize

    3.7MB

  • memory/2080-19-0x0000000000520000-0x00000000008D4000-memory.dmp

    Filesize

    3.7MB

  • memory/4940-22-0x0000000074510000-0x0000000074CC0000-memory.dmp

    Filesize

    7.7MB

  • memory/4940-16-0x00000000000F0000-0x00000000004A4000-memory.dmp

    Filesize

    3.7MB

  • memory/4940-20-0x00000000000F0000-0x00000000004A4000-memory.dmp

    Filesize

    3.7MB

  • memory/4940-23-0x0000000005700000-0x0000000005710000-memory.dmp

    Filesize

    64KB

  • memory/4940-26-0x00000000000F0000-0x00000000004A4000-memory.dmp

    Filesize

    3.7MB

  • memory/4940-27-0x0000000074510000-0x0000000074CC0000-memory.dmp

    Filesize

    7.7MB

  • memory/4940-28-0x0000000005700000-0x0000000005710000-memory.dmp

    Filesize

    64KB