Analysis

  • max time kernel
    4294182s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20220310-en
  • submitted
    08/04/2022, 00:12

General

  • Target
    a6a36115e072d7ef31b40277e4695e2c.exe
  • Size 407KB
  • Sample220408-ag68lababm
  • SHA256 162c17601f3f2d8eda02546e6ee08cabed5f01267fb75224073a3ac21f0ca3dc
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.7B

Botnet
  • Default

C2
  • 107.182.237.14:58453

Mutex
  • AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers.

  • suricata: ET MALWARE Generic AsyncRAT Style SSL Cert

    suricata: ET MALWARE Generic AsyncRAT Style SSL Cert

  • suricata: ET MALWARE Observed Malicious SSL Cert (AsyncRAT Server)

    suricata: ET MALWARE Observed Malicious SSL Cert (AsyncRAT Server)

  • Async RAT payload 6 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a6a36115e072d7ef31b40277e4695e2c.exe
    "C:\Users\Admin\AppData\Local\Temp\a6a36115e072d7ef31b40277e4695e2c.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:964
    • C:\Users\Admin\AppData\Local\Temp\a6a36115e072d7ef31b40277e4695e2c.exe
      "{path}"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1436

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/964-54-0x0000000000A00000-0x0000000000A6C000-memory.dmp

        memory/964-55-0x0000000000430000-0x000000000043A000-memory.dmp

        memory/964-56-0x0000000005A30000-0x0000000005A94000-memory.dmp

        memory/964-57-0x00000000009A0000-0x00000000009B2000-memory.dmp

        memory/1436-58-0x0000000000400000-0x0000000000412000-memory.dmp

        memory/1436-59-0x0000000000400000-0x0000000000412000-memory.dmp

        memory/1436-61-0x0000000000400000-0x0000000000412000-memory.dmp

        memory/1436-62-0x0000000000400000-0x0000000000412000-memory.dmp

        memory/1436-63-0x0000000000400000-0x0000000000412000-memory.dmp

        memory/1436-66-0x0000000000400000-0x0000000000412000-memory.dmp

        memory/1436-68-0x0000000000400000-0x0000000000412000-memory.dmp

        memory/1436-69-0x00000000758A1000-0x00000000758A3000-memory.dmp