Analysis

  • max time kernel
    60s
  • max time network
    63s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250410-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250410-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/04/2025, 19:40

General

  • Target

    ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe

  • Size

    570KB

  • MD5

    6ab23d16f93e86b98dcfe307f267bfd5

  • SHA1

    a349276da5a1c5eef6f2b28e5326a4ad4b6f9c42

  • SHA256

    ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231

  • SHA512

    63d6b13a36002fdc4f67bda6abc6254d142f0df9bcd48bca8143c5eaa9934f9c084498b17dec826ba13a64e022264e95f7c296fa1d439a638a75eadc43fbe7be

  • SSDEEP

    12288:bRXtpnVH9Az44BnvOCDhzcl0UdKndi2bnXWuk:bfd8z4byilBdlGX

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Temmuz-29

C2

marsh3131.duckdns.org:1453

Mutex

cdskfdsk23refdS146Dfdm23

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
  • Drops startup file 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe
    "C:\Users\Admin\AppData\Local\Temp\ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:4124
    • C:\Windows\SysWOW64\notepad.exe
      "C:\Windows\system32\notepad.exe"
      2⤵
      • Drops startup file
      • System Location Discovery: System Language Discovery
      PID:1212
    • C:\Users\Admin\AppData\Local\Temp\ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe
      "C:\Users\Admin\AppData\Local\Temp\ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4252
    • C:\Users\Admin\AppData\Local\Temp\ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe
      "C:\Users\Admin\AppData\Local\Temp\ad0ffe731284de0fc2f0d61951a6431253dca0244868d3920d2139bc238d8231.exe" 2 4252 240617578
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:784

Network

MITRE ATT&CK Enterprise v16

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/784-35-0x0000000076650000-0x0000000076740000-memory.dmp

    Filesize

    960KB

  • memory/784-36-0x0000000076650000-0x0000000076740000-memory.dmp

    Filesize

    960KB

  • memory/784-38-0x0000000076650000-0x0000000076740000-memory.dmp

    Filesize

    960KB

  • memory/784-61-0x0000000000400000-0x0000000000494000-memory.dmp

    Filesize

    592KB

  • memory/784-55-0x0000000076650000-0x0000000076740000-memory.dmp

    Filesize

    960KB

  • memory/784-56-0x0000000076650000-0x0000000076740000-memory.dmp

    Filesize

    960KB

  • memory/784-58-0x0000000076650000-0x0000000076740000-memory.dmp

    Filesize

    960KB

  • memory/1212-13-0x0000000000B20000-0x0000000000B21000-memory.dmp

    Filesize

    4KB

  • memory/4124-0-0x0000000002330000-0x0000000002331000-memory.dmp

    Filesize

    4KB

  • memory/4124-1-0x0000000002450000-0x0000000002463000-memory.dmp

    Filesize

    76KB

  • memory/4124-2-0x0000000002490000-0x0000000002491000-memory.dmp

    Filesize

    4KB

  • memory/4124-12-0x0000000000400000-0x0000000000494000-memory.dmp

    Filesize

    592KB

  • memory/4252-39-0x0000000076650000-0x0000000076740000-memory.dmp

    Filesize

    960KB

  • memory/4252-46-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/4252-25-0x0000000076650000-0x0000000076740000-memory.dmp

    Filesize

    960KB

  • memory/4252-7-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/4252-3-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/4252-26-0x0000000076650000-0x0000000076740000-memory.dmp

    Filesize

    960KB

  • memory/4252-27-0x0000000076650000-0x0000000076740000-memory.dmp

    Filesize

    960KB

  • memory/4252-30-0x0000000076650000-0x0000000076740000-memory.dmp

    Filesize

    960KB

  • memory/4252-33-0x0000000076650000-0x0000000076740000-memory.dmp

    Filesize

    960KB

  • memory/4252-34-0x0000000076650000-0x0000000076740000-memory.dmp

    Filesize

    960KB

  • memory/4252-32-0x0000000076650000-0x0000000076740000-memory.dmp

    Filesize

    960KB

  • memory/4252-31-0x0000000076650000-0x0000000076740000-memory.dmp

    Filesize

    960KB

  • memory/4252-29-0x0000000076650000-0x0000000076740000-memory.dmp

    Filesize

    960KB

  • memory/4252-37-0x0000000076650000-0x0000000076740000-memory.dmp

    Filesize

    960KB

  • memory/4252-9-0x00000000005A0000-0x00000000005B2000-memory.dmp

    Filesize

    72KB

  • memory/4252-40-0x0000000076650000-0x0000000076740000-memory.dmp

    Filesize

    960KB

  • memory/4252-43-0x0000000076650000-0x0000000076740000-memory.dmp

    Filesize

    960KB

  • memory/4252-42-0x0000000076650000-0x0000000076740000-memory.dmp

    Filesize

    960KB

  • memory/4252-41-0x0000000076650000-0x0000000076740000-memory.dmp

    Filesize

    960KB

  • memory/4252-44-0x0000000076650000-0x0000000076740000-memory.dmp

    Filesize

    960KB

  • memory/4252-45-0x0000000076650000-0x0000000076740000-memory.dmp

    Filesize

    960KB

  • memory/4252-24-0x0000000076670000-0x0000000076671000-memory.dmp

    Filesize

    4KB

  • memory/4252-47-0x0000000076650000-0x0000000076740000-memory.dmp

    Filesize

    960KB

  • memory/4252-49-0x0000000076670000-0x0000000076671000-memory.dmp

    Filesize

    4KB

  • memory/4252-48-0x0000000076650000-0x0000000076740000-memory.dmp

    Filesize

    960KB

  • memory/4252-50-0x0000000076650000-0x0000000076740000-memory.dmp

    Filesize

    960KB

  • memory/4252-51-0x0000000076650000-0x0000000076740000-memory.dmp

    Filesize

    960KB

  • memory/4252-52-0x0000000076650000-0x0000000076740000-memory.dmp

    Filesize

    960KB

  • memory/4252-53-0x0000000076650000-0x0000000076740000-memory.dmp

    Filesize

    960KB

  • memory/4252-10-0x00000000005A0000-0x00000000005B2000-memory.dmp

    Filesize

    72KB

  • memory/4252-57-0x0000000076650000-0x0000000076740000-memory.dmp

    Filesize

    960KB

  • memory/4252-11-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/4252-5-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/4252-54-0x0000000076650000-0x0000000076740000-memory.dmp

    Filesize

    960KB

  • memory/4252-59-0x0000000076650000-0x0000000076740000-memory.dmp

    Filesize

    960KB

  • memory/4252-6-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/4252-62-0x0000000076650000-0x0000000076740000-memory.dmp

    Filesize

    960KB

  • memory/4252-63-0x0000000076650000-0x0000000076740000-memory.dmp

    Filesize

    960KB

  • memory/4252-64-0x0000000076650000-0x0000000076740000-memory.dmp

    Filesize

    960KB

  • memory/4252-65-0x0000000076650000-0x0000000076740000-memory.dmp

    Filesize

    960KB

  • memory/4252-66-0x0000000076650000-0x0000000076740000-memory.dmp

    Filesize

    960KB