Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-11-2022 06:21

General

  • Target

    library_2.exe

  • Size

    508KB

  • MD5

    88367344c224ae3ed9030cfcb389184a

  • SHA1

    a9b8a7f5ce5059e1423b5399199d3f7398956329

  • SHA256

    6df186c3d5c563f492abed3e125ba4603f726bd1d257d4343f59d1584c0736db

  • SHA512

    a41cfa28fe323d3e69cf94145e97a41df59bff253acd7e377602d0cdfcf93416b8df0cc7c18c8514be8fd9999092124d132ac374e43110afc3d6a55d362e2f38

  • SSDEEP

    6144:g/1z+5QuL0f5QjKeVgv+v8mZFU2WKXFetnnOX7DKjimqcZfRPJXwOu1qlb:g/l8Qf5ct8A9WkFAnOXSqSJUqlb

Malware Config

Extracted

Family

fickerstealer

C2

fickitc.link:8080

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\library_2.exe
    "C:\Users\Admin\AppData\Local\Temp\library_2.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2564
    • C:\Users\Admin\AppData\Local\Temp\library_2.exe
      "C:\Users\Admin\AppData\Local\Temp\library_2.exe"
      2⤵
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:2448

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2448-132-0x0000000000000000-mapping.dmp

  • memory/2448-133-0x0000000000400000-0x0000000000469000-memory.dmp

    Filesize

    420KB

  • memory/2448-137-0x0000000000400000-0x0000000000469000-memory.dmp

    Filesize

    420KB

  • memory/2448-138-0x0000000000400000-0x0000000000469000-memory.dmp

    Filesize

    420KB

  • memory/2448-139-0x0000000000400000-0x0000000000469000-memory.dmp

    Filesize

    420KB

  • memory/2564-135-0x000000000091B000-0x0000000000952000-memory.dmp

    Filesize

    220KB

  • memory/2564-136-0x00000000025C0000-0x0000000002624000-memory.dmp

    Filesize

    400KB