Analysis

  • max time kernel
    126s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220721-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-07-2022 05:13

General

  • Target

    920b5a9f1288f07eabd9468d54c6b1c188a77999ec1947cd862f8bea31960b02.dll

  • Size

    147KB

  • MD5

    22aabe3eed3f6fd38b2ee4b69e5aeacb

  • SHA1

    801356a456b59b0bd3fbcd664196e5bbab6365a1

  • SHA256

    920b5a9f1288f07eabd9468d54c6b1c188a77999ec1947cd862f8bea31960b02

  • SHA512

    6cae88e4be4d1e6e928fc09deb8d88d138d9eafca077cd29444898b62af2ca77981546c5ab61da69cb1f459dfcf9da0745fbc975e09a94efe0f097518cc84046

Malware Config

Extracted

Family

hancitor

Botnet

2810_3264743

C2

http://pubarecaz.com/4/forum.php

http://cremicies.ru/4/forum.php

http://thempotryk.ru/4/forum.php

Signatures

  • Hancitor

    Hancitor is downloader used to deliver other malware families.

  • 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 4 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\920b5a9f1288f07eabd9468d54c6b1c188a77999ec1947cd862f8bea31960b02.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1736
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\920b5a9f1288f07eabd9468d54c6b1c188a77999ec1947cd862f8bea31960b02.dll,#1
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:4180
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\System32\svchost.exe
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:4520

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/4180-130-0x0000000000000000-mapping.dmp
  • memory/4180-135-0x0000000000820000-0x0000000000829000-memory.dmp
    Filesize

    36KB

  • memory/4180-136-0x00000000009C0000-0x00000000009CC000-memory.dmp
    Filesize

    48KB

  • memory/4520-131-0x0000000000000000-mapping.dmp
  • memory/4520-132-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB

  • memory/4520-134-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB

  • memory/4520-137-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB

  • memory/4520-138-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB