Analysis

  • max time kernel
    145s
  • max time network
    149s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    01/04/2021, 14:51

General

  • Target

    msals.pumpl.dll

  • Size

    360KB

  • MD5

    5a7d31a2f95b5453756b0143f5845824

  • SHA1

    bbae23a96a04293fd0cbe0d4425a9ac617be6283

  • SHA256

    8e73bfc2ac13b61960a5a2213198c2b0ee76774acb4fe9a02f972ec6d006bd8a

  • SHA512

    352b04b1a0707dffc71f8e113ed423b4676caddddc9e475065ab32f4824b89a58d5b68f0d3e39ee240b219de4f969c95f909585681cba991c4e4ea397b537e63

Malware Config

Extracted

Family

hancitor

Botnet

0104_verf1

C2

http://cilidobas.com/8/forum.php

http://onvoursmo.ru/8/forum.php

http://bilematicdu.ru/8/forum.php

Signatures

  • Hancitor

    Hancitor is downloader used to deliver other malware families.

  • Blocklisted process makes network request 3 IoCs
  • 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
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\msals.pumpl.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:580
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\msals.pumpl.dll,#1
      2⤵
      • Blocklisted process makes network request
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3264
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\System32\svchost.exe
        3⤵
          PID:1316

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1316-5-0x0000000000400000-0x0000000000448000-memory.dmp

            Filesize

            288KB

          • memory/1316-7-0x0000000000400000-0x0000000000448000-memory.dmp

            Filesize

            288KB

          • memory/3264-3-0x0000000074220000-0x000000007422A000-memory.dmp

            Filesize

            40KB

          • memory/3264-4-0x0000000002970000-0x0000000002971000-memory.dmp

            Filesize

            4KB