Analysis

  • max time kernel
    143s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    05-11-2024 04:22

General

  • Target

    d7bfea7d65bd99597f52daaf771da4b372cd9426a6b082d3917f4b90a5294411.exe

  • Size

    487KB

  • MD5

    77d62a0f656d79e0ff5bb2f70e4e852c

  • SHA1

    c85bde83456a07b3797aa6f290f71c8ff715a598

  • SHA256

    d7bfea7d65bd99597f52daaf771da4b372cd9426a6b082d3917f4b90a5294411

  • SHA512

    b503be45cc8d524d9f929aae53bc0a46e991c8db94503da64d3dfc1b1eaf7378c068da0156436fb865ad36016e957c7416a2e87bee3d1bb644e5c481a40bd645

  • SSDEEP

    12288:ctaDPw1Qk89TmyVryOUfR3rA9WgCqo3yrWE3I7Oqa8bfWT:c0Lw9gTFVryb3rkVCV+WE3FZ8bfW

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

127.0.0.1:1960

cuit.ydns.eu:1960

Mutex

Ym9duGjX2Yzz

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: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d7bfea7d65bd99597f52daaf771da4b372cd9426a6b082d3917f4b90a5294411.exe
    "C:\Users\Admin\AppData\Local\Temp\d7bfea7d65bd99597f52daaf771da4b372cd9426a6b082d3917f4b90a5294411.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1712
    • C:\Users\Admin\AppData\Local\Temp\d7bfea7d65bd99597f52daaf771da4b372cd9426a6b082d3917f4b90a5294411.exe
      "C:\Users\Admin\AppData\Local\Temp\d7bfea7d65bd99597f52daaf771da4b372cd9426a6b082d3917f4b90a5294411.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2464

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1712-0-0x000000007468E000-0x000000007468F000-memory.dmp

    Filesize

    4KB

  • memory/1712-1-0x00000000012E0000-0x0000000001360000-memory.dmp

    Filesize

    512KB

  • memory/1712-2-0x0000000074680000-0x0000000074D6E000-memory.dmp

    Filesize

    6.9MB

  • memory/1712-3-0x0000000000980000-0x000000000099E000-memory.dmp

    Filesize

    120KB

  • memory/1712-4-0x000000007468E000-0x000000007468F000-memory.dmp

    Filesize

    4KB

  • memory/1712-5-0x0000000074680000-0x0000000074D6E000-memory.dmp

    Filesize

    6.9MB

  • memory/1712-6-0x0000000000A70000-0x0000000000AC4000-memory.dmp

    Filesize

    336KB

  • memory/1712-23-0x0000000074680000-0x0000000074D6E000-memory.dmp

    Filesize

    6.9MB

  • memory/2464-21-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

  • memory/2464-18-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

  • memory/2464-16-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

  • memory/2464-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2464-12-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

  • memory/2464-11-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

  • memory/2464-9-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

  • memory/2464-22-0x0000000074680000-0x0000000074D6E000-memory.dmp

    Filesize

    6.9MB

  • memory/2464-7-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

  • memory/2464-24-0x0000000074680000-0x0000000074D6E000-memory.dmp

    Filesize

    6.9MB

  • memory/2464-25-0x0000000074680000-0x0000000074D6E000-memory.dmp

    Filesize

    6.9MB