Analysis

  • max time kernel
    134s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    11-02-2022 04:13

General

  • Target

    67d77cd4a76e7b1070bb7c4456274df8019e683155529f5ca412f0b1356fcba6.dll

  • Size

    1.5MB

  • MD5

    4613258bda7d8e4347dde2435dc0f046

  • SHA1

    4414e7f5b1c8b4dffe1f74e81c518e23fe7cc74b

  • SHA256

    67d77cd4a76e7b1070bb7c4456274df8019e683155529f5ca412f0b1356fcba6

  • SHA512

    51fb9a9eec5938aa80c255380731a20580a912b86de4a9d77f815326041eb7daf5acfbe25a0999d22cd6e3e50bdae0bb844f5f9f9862cb83139d83afd7894d52

Malware Config

Extracted

Family

hancitor

Botnet

0202_jkdf34

C2

http://weltustuk.com/9/forum.php

http://masdohilra.ru/9/forum.php

http://suctwande.ru/9/forum.php

Signatures

  • Hancitor

    Hancitor is downloader used to deliver other malware families.

  • Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Program crash 1 IoCs
  • Checks processor information in registry 2 TTPs 5 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies data under HKEY_USERS 45 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\67d77cd4a76e7b1070bb7c4456274df8019e683155529f5ca412f0b1356fcba6.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:808
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\67d77cd4a76e7b1070bb7c4456274df8019e683155529f5ca412f0b1356fcba6.dll,#1
      2⤵
        PID:3296
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3296 -s 648
          3⤵
          • Program crash
          • Checks processor information in registry
          • Enumerates system info in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3812
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3296 -ip 3296
      1⤵
      • Suspicious use of NtCreateProcessExOtherParentProcess
      • Suspicious use of WriteProcessMemory
      PID:2288
    • C:\Windows\system32\MusNotifyIcon.exe
      %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
      1⤵
      • Checks processor information in registry
      PID:540
    • C:\Windows\System32\svchost.exe
      C:\Windows\System32\svchost.exe -k NetworkService -p
      1⤵
      • Drops file in Windows directory
      • Modifies data under HKEY_USERS
      PID:4084

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/3296-133-0x0000000004430000-0x00000000045B4000-memory.dmp

      Filesize

      1.5MB

    • memory/3296-134-0x00000000009B0000-0x00000000009B7000-memory.dmp

      Filesize

      28KB

    • memory/3296-135-0x00000000009D0000-0x00000000009D8000-memory.dmp

      Filesize

      32KB