Analysis

  • max time kernel
    293s
  • max time network
    203s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-08-2024 21:20

General

  • Target

    Robux.exe

  • Size

    45KB

  • MD5

    19a2f0fcb384b31f246fab43cb8446d7

  • SHA1

    95fd873a00c547b4720456f280e9024d1b4980e2

  • SHA256

    8d0d2a0c6e54610058b903b773d0f5e0f8e294312b3b02737223db0c8f599344

  • SHA512

    af719eeb5b9c078c23e90cb5c7ad3eefd33efa4d13da491659c63bd712a8ac5bb5b2bddffd535821817066112b772d9bdecc5d53377deec8052bd4483a2c54b9

  • SSDEEP

    768:Cu/dRTUo0HQbWUnmjSmo2qMueeXKSocbbbQtN8/nPI6kzjbGgX3ir/pwIZBDZ2x:Cu/dRTUPE27eH2tNKA6k3bZXSrHd2x

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

127.0.0.1:6606

127.0.0.1:7707

127.0.0.1:8808

Mutex

gY12qkvJtnRz

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#.

  • 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 use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Robux.exe
    "C:\Users\Admin\AppData\Local\Temp\Robux.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:2444
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:4372
    • C:\Users\Admin\Desktop\Robux.exe
      "C:\Users\Admin\Desktop\Robux.exe"
      1⤵
      • System Location Discovery: System Language Discovery
      PID:328
    • C:\Users\Admin\Desktop\Robux.exe
      "C:\Users\Admin\Desktop\Robux.exe"
      1⤵
      • System Location Discovery: System Language Discovery
      PID:4504
    • C:\Users\Admin\Desktop\Robux.exe
      "C:\Users\Admin\Desktop\Robux.exe"
      1⤵
      • System Location Discovery: System Language Discovery
      PID:4252

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Robux.exe.log

      Filesize

      425B

      MD5

      4eaca4566b22b01cd3bc115b9b0b2196

      SHA1

      e743e0792c19f71740416e7b3c061d9f1336bf94

      SHA256

      34ba0ab8d1850e7825763f413142a333ccbc05fa2b5499a28a7d27b8a1c5b4bb

      SHA512

      bc2b1bf45203e3bb3009a7d37617b8f0f7ffa613680b32de2b963e39d2cf1650614d7035a0cf78f35a4f5cb17a2a439e2e07deaefd2a4275a62efd0a5c0184a1

    • memory/328-10-0x0000000075120000-0x00000000758D0000-memory.dmp

      Filesize

      7.7MB

    • memory/328-6-0x0000000075120000-0x00000000758D0000-memory.dmp

      Filesize

      7.7MB

    • memory/328-8-0x0000000075120000-0x00000000758D0000-memory.dmp

      Filesize

      7.7MB

    • memory/2444-2-0x0000000075120000-0x00000000758D0000-memory.dmp

      Filesize

      7.7MB

    • memory/2444-3-0x00000000057A0000-0x0000000005806000-memory.dmp

      Filesize

      408KB

    • memory/2444-4-0x0000000005BF0000-0x0000000005C8C000-memory.dmp

      Filesize

      624KB

    • memory/2444-5-0x000000007512E000-0x000000007512F000-memory.dmp

      Filesize

      4KB

    • memory/2444-7-0x0000000075120000-0x00000000758D0000-memory.dmp

      Filesize

      7.7MB

    • memory/2444-0-0x000000007512E000-0x000000007512F000-memory.dmp

      Filesize

      4KB

    • memory/2444-1-0x0000000000DB0000-0x0000000000DC2000-memory.dmp

      Filesize

      72KB

    • memory/4504-12-0x0000000075120000-0x00000000758D0000-memory.dmp

      Filesize

      7.7MB

    • memory/4504-13-0x0000000075120000-0x00000000758D0000-memory.dmp

      Filesize

      7.7MB