Windows 7 deprecation

Windows 7 will be removed from tria.ge on 2025-03-31

Analysis

  • max time kernel
    122s
  • max time network
    176s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    02/10/2024, 14:11

General

  • Target

    976833d491de30583479494fb8946ea7.exe

  • Size

    5.3MB

  • MD5

    976833d491de30583479494fb8946ea7

  • SHA1

    a8b9321a3fbe582b029c2b35f439966211cba8a4

  • SHA256

    d08285f3f36f0c79df6d4cb82b9b045859d25c96a223c16702b6043ea8950f6e

  • SHA512

    bec2e86948eef70e9b64d01867aa3b3e2d5023bf56333052878fcd61b50cd7147a8a8b463a15bf165310ef7aeca57a2d5247ffd4b047f614d8f6c812eade7385

  • SSDEEP

    98304:atLutWh4NYxtJpkxhG9vPLOqjajvD333yuhGRHW:vOxtJahydjaKu0W

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

18

C2

nuevodcsrat.duckdns.org:8081

Mutex

DcRatMutex_qwqdanchun

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#.

  • Adds Run key to start application 2 TTPs 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 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\976833d491de30583479494fb8946ea7.exe
    "C:\Users\Admin\AppData\Local\Temp\976833d491de30583479494fb8946ea7.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2128
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:2876

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\CabC035.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • memory/2128-17-0x0000000000400000-0x0000000000968000-memory.dmp

    Filesize

    5.4MB

  • memory/2128-6-0x0000000000400000-0x0000000000968000-memory.dmp

    Filesize

    5.4MB

  • memory/2128-3-0x0000000000400000-0x0000000000968000-memory.dmp

    Filesize

    5.4MB

  • memory/2128-0-0x0000000000400000-0x0000000000968000-memory.dmp

    Filesize

    5.4MB

  • memory/2128-7-0x0000000000400000-0x0000000000968000-memory.dmp

    Filesize

    5.4MB

  • memory/2128-5-0x0000000000400000-0x0000000000968000-memory.dmp

    Filesize

    5.4MB

  • memory/2128-2-0x00000000005AD000-0x00000000005C5000-memory.dmp

    Filesize

    96KB

  • memory/2128-21-0x00000000005AD000-0x00000000005C5000-memory.dmp

    Filesize

    96KB

  • memory/2128-1-0x0000000000400000-0x0000000000968000-memory.dmp

    Filesize

    5.4MB

  • memory/2128-11-0x0000000000400000-0x0000000000968000-memory.dmp

    Filesize

    5.4MB

  • memory/2876-13-0x0000000000080000-0x0000000000092000-memory.dmp

    Filesize

    72KB

  • memory/2876-15-0x0000000000080000-0x0000000000092000-memory.dmp

    Filesize

    72KB

  • memory/2876-8-0x0000000000080000-0x0000000000092000-memory.dmp

    Filesize

    72KB

  • memory/2876-18-0x000000007465E000-0x000000007465F000-memory.dmp

    Filesize

    4KB

  • memory/2876-19-0x0000000074650000-0x0000000074D3E000-memory.dmp

    Filesize

    6.9MB

  • memory/2876-10-0x0000000000080000-0x0000000000092000-memory.dmp

    Filesize

    72KB

  • memory/2876-9-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

    Filesize

    4KB

  • memory/2876-38-0x000000007465E000-0x000000007465F000-memory.dmp

    Filesize

    4KB

  • memory/2876-39-0x0000000074650000-0x0000000074D3E000-memory.dmp

    Filesize

    6.9MB