Analysis

  • max time kernel
    143s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20230703-en
  • resource tags

    arch:x64arch:x86image:win7-20230703-enlocale:en-usos:windows7-x64system
  • submitted
    07-07-2023 17:46

General

  • Target

    New-Client.exe

  • Size

    25KB

  • MD5

    4347e22b925cb84a77f9efbcd93127b8

  • SHA1

    dd2795bf3fe8d5de291fb136e56101fd79433f2d

  • SHA256

    988b8a7e213e9f51aaa6b224d358980d069b0ea40e86dd7dd53fbacaef38cbac

  • SHA512

    d01371a3b6b81ed57527e5e689c6a3a83ec9bb515abdee94b3ea3a9bd6fe138da8f0cbaa34c7ff3724d4e57f477579842d15fd6e49e30d743cdc9cde32b20146

  • SSDEEP

    384:9B+Sbj6NK8R+6VFAHdkaIh34EnWb5j4kDhlzCTJEUmNYEYQro3lcvC8sjr:Xp8E6VFwdqaE+RHtN8Dj

Score
10/10

Malware Config

Extracted

Family

limerat

Attributes
  • aes_key

    shouldvelistened

  • antivm

    false

  • c2_url

    https://pastebin.com/raw/X4egnDWF

  • delay

    3

  • download_payload

    false

  • install

    false

  • install_name

    Wservices.exe

  • main_folder

    UserProfile

  • pin_spread

    false

  • sub_folder

    \

  • usb_spread

    false

Signatures

  • LimeRAT

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

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\New-Client.exe
    "C:\Users\Admin\AppData\Local\Temp\New-Client.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    PID:2232
  • C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    1⤵
      PID:2212
    • C:\Windows\system32\AUDIODG.EXE
      C:\Windows\system32\AUDIODG.EXE 0x5d4
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2968

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2232-54-0x0000000000FC0000-0x0000000000FCC000-memory.dmp

      Filesize

      48KB

    • memory/2232-55-0x0000000004F40000-0x0000000004F80000-memory.dmp

      Filesize

      256KB

    • memory/2232-56-0x0000000004F40000-0x0000000004F80000-memory.dmp

      Filesize

      256KB