Analysis

  • max time kernel
    129s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-12-2022 07:27

General

  • Target

    cd2c63e16f4c1e79e7763c278146acae54dca752c25ad46d47167f69d70d714a.exe

  • Size

    14.7MB

  • MD5

    533f876556e02dec453f6fa4c2536967

  • SHA1

    a4abdc1e4b26623e2be6c3715c1a75a5a6e2c397

  • SHA256

    cd2c63e16f4c1e79e7763c278146acae54dca752c25ad46d47167f69d70d714a

  • SHA512

    3935d864faa3e7c32e6a4fa2a7ab01a9ae2c103531a73df1a6500ce78321f86623e3e9d7be74535ff0bd09382462915239f263c9466cb8ef6437c48a55fcb47a

  • SSDEEP

    196608:6nMPXMnhoMskO1/6Bstbu5F5bciXk0H+TnrgC8d:6nMQdCJEl5o+Ha8jd

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

DerenderScuriry

C2

20.100.196.69:9281

Mutex

DerenderScuriry

Attributes
  • delay

    3

  • install

    false

  • install_file

    DerenderScuriry

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers.

  • Async RAT payload 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cd2c63e16f4c1e79e7763c278146acae54dca752c25ad46d47167f69d70d714a.exe
    "C:\Users\Admin\AppData\Local\Temp\cd2c63e16f4c1e79e7763c278146acae54dca752c25ad46d47167f69d70d714a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:440
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:5032
  • C:\Users\Admin\AppData\Local\Temp\cd2c63e16f4c1e79e7763c278146acae54dca752c25ad46d47167f69d70d714a.exe
    C:\Users\Admin\AppData\Local\Temp\cd2c63e16f4c1e79e7763c278146acae54dca752c25ad46d47167f69d70d714a.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4808
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:2816

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\cd2c63e16f4c1e79e7763c278146acae54dca752c25ad46d47167f69d70d714a.exe.log

      Filesize

      902B

      MD5

      317ed182314a105b8436cfd8bb3879f6

      SHA1

      aa407b44619a9b06b18d8a39ce27a65b959598e1

      SHA256

      34a156e5235a27901293bd8928b37d13724d62183e409f6d284110280c56f865

      SHA512

      27bc617005ef36be6384484e5cec56d7165d1e9535c9a0b5546f1f082cc4bf5969acb573da77171ac7f4119c8cf50a3ced103cd21485569c9cfcf2e340468604

    • C:\Users\Admin\AppData\Local\Temp\cd2c63e16f4c1e79e7763c278146acae54dca752c25ad46d47167f69d70d714a.exe

      Filesize

      14.7MB

      MD5

      533f876556e02dec453f6fa4c2536967

      SHA1

      a4abdc1e4b26623e2be6c3715c1a75a5a6e2c397

      SHA256

      cd2c63e16f4c1e79e7763c278146acae54dca752c25ad46d47167f69d70d714a

      SHA512

      3935d864faa3e7c32e6a4fa2a7ab01a9ae2c103531a73df1a6500ce78321f86623e3e9d7be74535ff0bd09382462915239f263c9466cb8ef6437c48a55fcb47a

    • memory/440-132-0x0000000000260000-0x0000000001112000-memory.dmp

      Filesize

      14.7MB

    • memory/440-133-0x0000000006E90000-0x0000000007434000-memory.dmp

      Filesize

      5.6MB

    • memory/440-134-0x00000000063F0000-0x0000000006482000-memory.dmp

      Filesize

      584KB

    • memory/440-135-0x0000000006540000-0x00000000065DC000-memory.dmp

      Filesize

      624KB

    • memory/2816-142-0x0000000000000000-mapping.dmp

    • memory/5032-136-0x0000000000000000-mapping.dmp

    • memory/5032-138-0x0000000000600000-0x0000000000612000-memory.dmp

      Filesize

      72KB

    • memory/5032-139-0x0000000005520000-0x0000000005586000-memory.dmp

      Filesize

      408KB