Analysis

  • max time kernel
    117s
  • 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
    24-01-2023 05:49

General

  • Target

    42a3a11367f39f4b5dda0d40b1183330072f8d85c3d2e79e42c46489e7dcce1d.exe

  • Size

    480KB

  • MD5

    a8347795e62fd5ea607f98579c1d49ec

  • SHA1

    6e4b74e8f7447b6a7db13b4dbcefea258e430a4f

  • SHA256

    42a3a11367f39f4b5dda0d40b1183330072f8d85c3d2e79e42c46489e7dcce1d

  • SHA512

    790726f6e8045324e1482e8614194299f1b501fa73f22ef516dddf5157404fbaeb7ef1983f4f771f34673d6749853a236ceff97be3e58d32740d2e08b7f5e349

  • SSDEEP

    6144:ALaTiFA3m+iCOvax2wVTqUiYTOefJC/cpTQbrZxBqZugCoZsBgbIOHH4:AuTH3mzCYA20mMOehjkbr7BUug6gbL4

Malware Config

Extracted

Family

fickerstealer

C2

fasdas.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\42a3a11367f39f4b5dda0d40b1183330072f8d85c3d2e79e42c46489e7dcce1d.exe
    "C:\Users\Admin\AppData\Local\Temp\42a3a11367f39f4b5dda0d40b1183330072f8d85c3d2e79e42c46489e7dcce1d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4776
    • C:\Users\Admin\AppData\Local\Temp\42a3a11367f39f4b5dda0d40b1183330072f8d85c3d2e79e42c46489e7dcce1d.exe
      "C:\Users\Admin\AppData\Local\Temp\42a3a11367f39f4b5dda0d40b1183330072f8d85c3d2e79e42c46489e7dcce1d.exe"
      2⤵
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:1184

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1184-133-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/1184-137-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/1184-138-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/1184-139-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/4776-135-0x000000000065E000-0x0000000000699000-memory.dmp

    Filesize

    236KB

  • memory/4776-136-0x00000000021E0000-0x000000000224C000-memory.dmp

    Filesize

    432KB