Analysis

  • max time kernel
    178s
  • max time network
    181s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-10-2024 19:46

General

  • Target

    ANEXOS Y DOCUMENTOS DETALLADOS PARA CONTROL Y COBRO, PROCESO LEGAL 987452195412098416235616142452006541.exe

  • Size

    999KB

  • MD5

    6431f7984d12c865aec4cda803fffe1a

  • SHA1

    e34a2ced4f1b0bc8757d1b8c7d0c7461478601b3

  • SHA256

    3f1c7adf6a76d7c313bf833ce9d41cd09ad28ece3c9d56e25a0561d30225c17f

  • SHA512

    d54cf665dd7607befae35e971f21d4fa3f65c8af30838c0342f988b4f6db0ffb896da167f13c4cb2e1ddc8126fd9cf7cc65d6ba9ca33144482b692e9879835ff

  • SSDEEP

    24576:lvFmm+Zq7F9+XTI9p/Vqh0CyTyQROqZVZXpWOseQty:UoDvfxpn3

Malware Config

Extracted

Family

asyncrat

Version

0.5.7A

Botnet

SCREEM

C2

screem1.duckdns.org:7707

screem1.duckdns.org:6606

Mutex

uuooxuxbnkywum

Attributes
  • delay

    1

  • 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
  • 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 use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ANEXOS Y DOCUMENTOS DETALLADOS PARA CONTROL Y COBRO, PROCESO LEGAL 987452195412098416235616142452006541.exe
    "C:\Users\Admin\AppData\Local\Temp\ANEXOS Y DOCUMENTOS DETALLADOS PARA CONTROL Y COBRO, PROCESO LEGAL 987452195412098416235616142452006541.exe"
    1⤵
    • Drops startup file
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3164
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:4300

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3164-0-0x0000000074BBE000-0x0000000074BBF000-memory.dmp

    Filesize

    4KB

  • memory/3164-1-0x0000000000960000-0x0000000000A5E000-memory.dmp

    Filesize

    1016KB

  • memory/3164-2-0x0000000005290000-0x0000000005378000-memory.dmp

    Filesize

    928KB

  • memory/3164-3-0x0000000074BB0000-0x0000000075360000-memory.dmp

    Filesize

    7.7MB

  • memory/3164-4-0x00000000053C0000-0x00000000054A8000-memory.dmp

    Filesize

    928KB

  • memory/3164-5-0x0000000005A60000-0x0000000006004000-memory.dmp

    Filesize

    5.6MB

  • memory/3164-6-0x00000000055B0000-0x0000000005642000-memory.dmp

    Filesize

    584KB

  • memory/3164-18-0x00000000053C0000-0x00000000054A3000-memory.dmp

    Filesize

    908KB

  • memory/3164-21-0x00000000053C0000-0x00000000054A3000-memory.dmp

    Filesize

    908KB

  • memory/3164-16-0x00000000053C0000-0x00000000054A3000-memory.dmp

    Filesize

    908KB

  • memory/3164-60-0x00000000053C0000-0x00000000054A3000-memory.dmp

    Filesize

    908KB

  • memory/3164-71-0x00000000053C0000-0x00000000054A3000-memory.dmp

    Filesize

    908KB

  • memory/3164-68-0x00000000053C0000-0x00000000054A3000-memory.dmp

    Filesize

    908KB

  • memory/3164-64-0x00000000053C0000-0x00000000054A3000-memory.dmp

    Filesize

    908KB

  • memory/3164-62-0x00000000053C0000-0x00000000054A3000-memory.dmp

    Filesize

    908KB

  • memory/3164-58-0x00000000053C0000-0x00000000054A3000-memory.dmp

    Filesize

    908KB

  • memory/3164-66-0x00000000053C0000-0x00000000054A3000-memory.dmp

    Filesize

    908KB

  • memory/3164-56-0x00000000053C0000-0x00000000054A3000-memory.dmp

    Filesize

    908KB

  • memory/3164-54-0x00000000053C0000-0x00000000054A3000-memory.dmp

    Filesize

    908KB

  • memory/3164-52-0x00000000053C0000-0x00000000054A3000-memory.dmp

    Filesize

    908KB

  • memory/3164-48-0x00000000053C0000-0x00000000054A3000-memory.dmp

    Filesize

    908KB

  • memory/3164-46-0x00000000053C0000-0x00000000054A3000-memory.dmp

    Filesize

    908KB

  • memory/3164-44-0x00000000053C0000-0x00000000054A3000-memory.dmp

    Filesize

    908KB

  • memory/3164-43-0x00000000053C0000-0x00000000054A3000-memory.dmp

    Filesize

    908KB

  • memory/3164-38-0x00000000053C0000-0x00000000054A3000-memory.dmp

    Filesize

    908KB

  • memory/3164-36-0x00000000053C0000-0x00000000054A3000-memory.dmp

    Filesize

    908KB

  • memory/3164-32-0x00000000053C0000-0x00000000054A3000-memory.dmp

    Filesize

    908KB

  • memory/3164-30-0x00000000053C0000-0x00000000054A3000-memory.dmp

    Filesize

    908KB

  • memory/3164-28-0x00000000053C0000-0x00000000054A3000-memory.dmp

    Filesize

    908KB

  • memory/3164-26-0x00000000053C0000-0x00000000054A3000-memory.dmp

    Filesize

    908KB

  • memory/3164-24-0x00000000053C0000-0x00000000054A3000-memory.dmp

    Filesize

    908KB

  • memory/3164-23-0x00000000053C0000-0x00000000054A3000-memory.dmp

    Filesize

    908KB

  • memory/3164-14-0x00000000053C0000-0x00000000054A3000-memory.dmp

    Filesize

    908KB

  • memory/3164-12-0x00000000053C0000-0x00000000054A3000-memory.dmp

    Filesize

    908KB

  • memory/3164-50-0x00000000053C0000-0x00000000054A3000-memory.dmp

    Filesize

    908KB

  • memory/3164-40-0x00000000053C0000-0x00000000054A3000-memory.dmp

    Filesize

    908KB

  • memory/3164-34-0x00000000053C0000-0x00000000054A3000-memory.dmp

    Filesize

    908KB

  • memory/3164-10-0x00000000053C0000-0x00000000054A3000-memory.dmp

    Filesize

    908KB

  • memory/3164-8-0x00000000053C0000-0x00000000054A3000-memory.dmp

    Filesize

    908KB

  • memory/3164-7-0x00000000053C0000-0x00000000054A3000-memory.dmp

    Filesize

    908KB

  • memory/3164-1081-0x0000000074BB0000-0x0000000075360000-memory.dmp

    Filesize

    7.7MB

  • memory/3164-1083-0x00000000056B0000-0x00000000056FC000-memory.dmp

    Filesize

    304KB

  • memory/3164-1082-0x0000000005650000-0x00000000056AC000-memory.dmp

    Filesize

    368KB

  • memory/3164-1087-0x0000000074BB0000-0x0000000075360000-memory.dmp

    Filesize

    7.7MB

  • memory/3164-1088-0x0000000074BB0000-0x0000000075360000-memory.dmp

    Filesize

    7.7MB

  • memory/3164-1089-0x0000000074BB0000-0x0000000075360000-memory.dmp

    Filesize

    7.7MB

  • memory/3164-1090-0x0000000074BBE000-0x0000000074BBF000-memory.dmp

    Filesize

    4KB

  • memory/3164-1091-0x0000000074BB0000-0x0000000075360000-memory.dmp

    Filesize

    7.7MB

  • memory/3164-1092-0x00000000057E0000-0x0000000005834000-memory.dmp

    Filesize

    336KB

  • memory/3164-1097-0x0000000074BB0000-0x0000000075360000-memory.dmp

    Filesize

    7.7MB

  • memory/4300-1096-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

  • memory/4300-1098-0x0000000074BB0000-0x0000000075360000-memory.dmp

    Filesize

    7.7MB

  • memory/4300-1099-0x0000000074BB0000-0x0000000075360000-memory.dmp

    Filesize

    7.7MB

  • memory/4300-1100-0x0000000074BB0000-0x0000000075360000-memory.dmp

    Filesize

    7.7MB