Analysis

  • max time kernel
    252s
  • max time network
    260s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-12-2023 15:44

General

  • Target

    4dae3b84eeb5e36c144f9fad2f2b06d9e82381cda6b1f043033cf3644f339558.dll

  • Size

    1.6MB

  • MD5

    509b68725e595b30fb2f38c8ea2cf9c4

  • SHA1

    1aff17b87ff213c1a8f4c8cfe48782e636b6fb32

  • SHA256

    4dae3b84eeb5e36c144f9fad2f2b06d9e82381cda6b1f043033cf3644f339558

  • SHA512

    dc7a8e6404c3b1e2600c16c66ed023e6e5f7010efa96fa2c4c5abf8fe4a8c4847abd133a1198d4bb12224c93d4ede1ef1dfe1c6c584749160e9beff2a1585389

  • SSDEEP

    24576:ejhyCJxQWOSUua9BgsID7yByhWjqcRE4ff6ySznNvWGYbjWfExlpaheDtg3UUag7:GfzUua9h9ERznNeXHWfExzmPLnvh6

Score
10/10

Malware Config

Extracted

Family

systembc

C2

62.173.140.37:4001

Signatures

  • SystemBC

    SystemBC is a proxy and remote administration tool first seen in 2019.

  • Blocklisted process makes network request 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\4dae3b84eeb5e36c144f9fad2f2b06d9e82381cda6b1f043033cf3644f339558.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3112
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\4dae3b84eeb5e36c144f9fad2f2b06d9e82381cda6b1f043033cf3644f339558.dll,#1
      2⤵
      • Blocklisted process makes network request
      PID:3672

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/3672-0-0x00000000023F0000-0x00000000024F9000-memory.dmp

    Filesize

    1.0MB

  • memory/3672-1-0x0000000000E40000-0x0000000000E47000-memory.dmp

    Filesize

    28KB