Analysis

  • max time kernel
    170s
  • max time network
    196s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    27-05-2022 23:50

General

  • Target

    03a3bd2bd48400c35d8b458d9045cd113bbda03d9bd1a41fecae8177ee71aaf4.exe

  • Size

    565KB

  • MD5

    aae45fe858ee508a8787bff9f58cb847

  • SHA1

    943994afdd05db0aef81cb466bb239db37e009d5

  • SHA256

    03a3bd2bd48400c35d8b458d9045cd113bbda03d9bd1a41fecae8177ee71aaf4

  • SHA512

    b31ed56820062c91351014ffbffb676f9f93026d094e5e96ec7546a458bf9ef0f87f7d6d572613065b594a8dd2d75c1d44a2d4be808b08de6071c2048438e02d

Score
10/10

Malware Config

Extracted

Family

limerat

Wallets

359Z6KxMenwvgkA7vpGeBtinJPTj5raZz8

Attributes
  • aes_key

    arglobal

  • antivm

    false

  • c2_url

    https://pastebin.com/raw/CV5RHE9G

  • delay

    3

  • download_payload

    false

  • install

    false

  • install_name

    Wservices.exe

  • main_folder

    Temp

  • 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
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\03a3bd2bd48400c35d8b458d9045cd113bbda03d9bd1a41fecae8177ee71aaf4.exe
    "C:\Users\Admin\AppData\Local\Temp\03a3bd2bd48400c35d8b458d9045cd113bbda03d9bd1a41fecae8177ee71aaf4.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1720
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4860

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1720-130-0x0000000000530000-0x00000000005C4000-memory.dmp

    Filesize

    592KB

  • memory/1720-131-0x0000000004F70000-0x000000000500C000-memory.dmp

    Filesize

    624KB

  • memory/1720-132-0x00000000055C0000-0x0000000005B64000-memory.dmp

    Filesize

    5.6MB

  • memory/1720-133-0x00000000050B0000-0x0000000005142000-memory.dmp

    Filesize

    584KB

  • memory/1720-134-0x0000000005010000-0x000000000501A000-memory.dmp

    Filesize

    40KB

  • memory/1720-135-0x0000000005240000-0x0000000005296000-memory.dmp

    Filesize

    344KB

  • memory/4860-136-0x0000000000000000-mapping.dmp

  • memory/4860-137-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/4860-138-0x0000000005140000-0x00000000051A6000-memory.dmp

    Filesize

    408KB