Analysis

  • max time kernel
    104s
  • max time network
    136s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    09/07/2021, 01:09

General

  • Target
    niberius.dll
  • Size 268KB
  • Sample210709-w87erj4br6
  • SHA256 4dc9d5ee1debdba0388fbb112d4bbbc01bb782f015e798cced3fc2edb17ac557
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • hancitor

Botnet
  • 0707_wvcr

C2
  • http://sudepallon.com/8/forum.php

  • http://anspossthrly.ru/8/forum.php

  • http://thentabecon.ru/8/forum.php

Extracted

Family
  • fickerstealer

C2
  • pospvisis.com:80

Signatures

  • Fickerstealer

    Ficker is an infostealer written in Rust and ASM.

  • Hancitor

    Hancitor is downloader used to deliver other malware families.

  • Blocklisted process makes network request 3 IoCs
  • Downloads MZ/PE file
  • Reads local data of messenger clients 2 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • 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 4 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\niberius.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3908
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\niberius.dll,#1
      2⤵
      • Blocklisted process makes network request
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3828
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\System32\svchost.exe
        3⤵
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        PID:416

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/416-119-0x0000000000400000-0x0000000000448000-memory.dmp

        memory/416-123-0x0000000000400000-0x0000000000448000-memory.dmp

        memory/3828-115-0x0000000004DF0000-0x0000000004ED2000-memory.dmp

        memory/3828-116-0x0000000004DF0000-0x0000000004DFA000-memory.dmp

        memory/3828-117-0x0000000004DF1000-0x0000000004E1D000-memory.dmp

        memory/3828-118-0x0000000003460000-0x00000000035AA000-memory.dmp