Analysis

  • max time kernel
    19s
  • max time network
    110s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    27/04/2021, 07:51

General

  • Target

    653496ae045159934691147003cf240f154fb3db2db2780885772597a23a6ebc-20210427-034801.exe

  • Size

    330KB

  • MD5

    9694137d757ced57ab865c51e8909033

  • SHA1

    ad1dbfe41a9bbed6539a5913279be226f833234b

  • SHA256

    653496ae045159934691147003cf240f154fb3db2db2780885772597a23a6ebc

  • SHA512

    a52e6e02789b760228bd49ca39707ab82a4cc1159e41e55a73182c92a909acd260c74cfffeaee220959707d75a866c8bf6cbcea9f65c9c8534659ef97e1b4e81

Malware Config

Extracted

Family

fickerstealer

C2

gurums.space:80

Signatures

  • fickerstealer

    Ficker is an infostealer written in Rust and ASM.

  • Reads local data of messenger clients 2 TTPs

    Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\653496ae045159934691147003cf240f154fb3db2db2780885772597a23a6ebc-20210427-034801.exe
    "C:\Users\Admin\AppData\Local\Temp\653496ae045159934691147003cf240f154fb3db2db2780885772597a23a6ebc-20210427-034801.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:572
    • C:\Users\Admin\AppData\Local\Temp\653496ae045159934691147003cf240f154fb3db2db2780885772597a23a6ebc-20210427-034801.exe
      "C:\Users\Admin\AppData\Local\Temp\653496ae045159934691147003cf240f154fb3db2db2780885772597a23a6ebc-20210427-034801.exe"
      2⤵
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:4048

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/572-116-0x00000000021E0000-0x0000000002224000-memory.dmp

          Filesize

          272KB

        • memory/4048-114-0x0000000000400000-0x0000000000447000-memory.dmp

          Filesize

          284KB

        • memory/4048-117-0x0000000000400000-0x0000000000447000-memory.dmp

          Filesize

          284KB