Analysis

  • max time kernel
    40s
  • max time network
    44s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    29-01-2023 21:30

General

  • Target

    1c0a20b9f16454d81b193721bb78ade2c70ccd503e76d9cdad7db7568064585c.exe

  • Size

    51KB

  • MD5

    6707ad66e20d361e5b99addbd276a5de

  • SHA1

    98973242d2b7c2cff5471f512154abfb90b3f242

  • SHA256

    1c0a20b9f16454d81b193721bb78ade2c70ccd503e76d9cdad7db7568064585c

  • SHA512

    a3c68349ff9969b83b00fa9e571dccd42af79092fd4f1d6a8120df11a787ac0ce140f78290de73443ed68a4cde41576b72b62faaac1a31f527f2f24cf819fae3

  • SSDEEP

    768:ivAVecSXuXkkZwLnuivpcWKV4M3AT154QawGhmJmtTqPBWypMSFgLALQKTU:iv5cgawn3XKV1E54Qa0iUBbFgqbw

Score
10/10

Malware Config

Extracted

Family

limerat

Attributes
  • aes_key

    IRj3SceatjDfweW/qMMw7g==

  • antivm

    false

  • c2_url

    https://pastebin.com/raw/Pzx225ZB

  • delay

    3

  • download_payload

    false

  • install

    true

  • install_name

    Audio Realtek Driver.exe

  • main_folder

    AppData

  • pin_spread

    true

  • sub_folder

    \Audio Realtek Driver\

  • usb_spread

    false

Signatures

  • LimeRAT

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1c0a20b9f16454d81b193721bb78ade2c70ccd503e76d9cdad7db7568064585c.exe
    "C:\Users\Admin\AppData\Local\Temp\1c0a20b9f16454d81b193721bb78ade2c70ccd503e76d9cdad7db7568064585c.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:288
    • C:\Users\Admin\AppData\Local\Temp\1c0a20b9f16454d81b193721bb78ade2c70ccd503e76d9cdad7db7568064585c.exe
      "C:\Users\Admin\AppData\Local\Temp\1c0a20b9f16454d81b193721bb78ade2c70ccd503e76d9cdad7db7568064585c.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1176
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
        dw20.exe -x -s 396
        3⤵
          PID:856

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/288-54-0x0000000075351000-0x0000000075353000-memory.dmp

      Filesize

      8KB

    • memory/288-66-0x00000000747F0000-0x0000000074D9B000-memory.dmp

      Filesize

      5.7MB

    • memory/856-67-0x0000000000000000-mapping.dmp

    • memory/1176-58-0x0000000000400000-0x000000000040C000-memory.dmp

      Filesize

      48KB

    • memory/1176-56-0x0000000000400000-0x000000000040C000-memory.dmp

      Filesize

      48KB

    • memory/1176-55-0x0000000000400000-0x000000000040C000-memory.dmp

      Filesize

      48KB

    • memory/1176-59-0x0000000000400000-0x000000000040C000-memory.dmp

      Filesize

      48KB

    • memory/1176-60-0x0000000000408D8E-mapping.dmp

    • memory/1176-62-0x0000000000400000-0x000000000040C000-memory.dmp

      Filesize

      48KB

    • memory/1176-64-0x0000000000400000-0x000000000040C000-memory.dmp

      Filesize

      48KB

    • memory/1176-69-0x00000000747F0000-0x0000000074D9B000-memory.dmp

      Filesize

      5.7MB

    • memory/1176-70-0x00000000747F0000-0x0000000074D9B000-memory.dmp

      Filesize

      5.7MB