Analysis

  • max time kernel
    90s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-12-2022 02:16

General

  • Target

    31d722331a9890b3ac394bf19fa6246397fbf79b37f23.exe

  • Size

    396KB

  • MD5

    f6f84e80684195be3d018d72f0c337e4

  • SHA1

    71edaeb2a19028b2dc74f66b27245ac8ada88117

  • SHA256

    31d722331a9890b3ac394bf19fa6246397fbf79b37f23bc3fdde850afbc319ae

  • SHA512

    bf4dfaa3fe983d9cecc0da761f5b49416f604774509f38a6b6a29eff4e0baef9bae5f0a601e5cfdcb15b5d1aee83822309ec2fb27ce92ab0abaaf81c3366046a

  • SSDEEP

    6144:OwLUCKwEscIr5CAM13HfyTlJRAOvS8YGuz2ewEMXqaMM+k:pgCKwEscIr1Q/utbKmewEMXd5+k

Malware Config

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\31d722331a9890b3ac394bf19fa6246397fbf79b37f23.exe
    "C:\Users\Admin\AppData\Local\Temp\31d722331a9890b3ac394bf19fa6246397fbf79b37f23.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2620
    • C:\Users\Admin\AppData\Local\Temp\31d722331a9890b3ac394bf19fa6246397fbf79b37f23.exe
      "C:\Users\Admin\AppData\Local\Temp\31d722331a9890b3ac394bf19fa6246397fbf79b37f23.exe"
      2⤵
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:1724

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1724-132-0x0000000000000000-mapping.dmp

  • memory/1724-133-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/1724-137-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/1724-138-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/1724-139-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/2620-135-0x00000000006FA000-0x0000000000736000-memory.dmp

    Filesize

    240KB

  • memory/2620-136-0x0000000000A20000-0x0000000000A8C000-memory.dmp

    Filesize

    432KB