Analysis

  • max time kernel
    146s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-12-2024 01:36

General

  • Target

    RFQ_#24429725,pdf.exe

  • Size

    1.0MB

  • MD5

    98c8ad44f3883561b9ec33744763f556

  • SHA1

    54d00d5fc3a5c1c287c371699b027b83afbd3be2

  • SHA256

    e508e38d56c2d0c62b80bf11aeb4af982e5ce44e925c4858c725db2ba02aca2d

  • SHA512

    10826e4abc66c19ef106c91332cd0fab7b2e29975781a66570136aa507e296ffa43f7f62eeb634321f2ba442589550a52e43c0e57a2dab755ed29ea5ff5394aa

  • SSDEEP

    24576:6qDEvCTbMWu7rQYlBQcBiT6rprG8apS0MHt:6TvC/MTQYxsWR7apM

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

oshaduck123.duckdns.org:6606

oshaduck123.duckdns.org:7707

oshaduck123.duckdns.org:8808

Mutex

ZWwiD1mukwdK

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

  • Asyncrat family
  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RFQ_#24429725,pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\RFQ_#24429725,pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:4688
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\RFQ_#24429725,pdf.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:2252

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2252-7-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

  • memory/2252-8-0x0000000073F7E000-0x0000000073F7F000-memory.dmp

    Filesize

    4KB

  • memory/2252-9-0x0000000073F70000-0x0000000074720000-memory.dmp

    Filesize

    7.7MB

  • memory/2252-10-0x0000000073F7E000-0x0000000073F7F000-memory.dmp

    Filesize

    4KB

  • memory/2252-11-0x0000000073F70000-0x0000000074720000-memory.dmp

    Filesize

    7.7MB

  • memory/4688-6-0x00000000011A0000-0x00000000015A0000-memory.dmp

    Filesize

    4.0MB