Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/07/2024, 14:29

General

  • Target
    55282E8B63997F62AF3DD4B9D40CACB30A72D8DB1597D3F53057839CF7335750.exe
  • Size 374KB
  • Sample240724-rtkc2ateqa
  • SHA256 343d64201895c63577cd19542df2465a53786c78c40adf533f1b48ff2c1ede33
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • redline

Botnet
  • 50n

C2
  • 193.106.191.123:34450

Attributes
  • auth_value

    d61a9ba1568b3b8e34c959aa0f254969

Signatures

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine payload 35 IoCs
  • ASPack v2.12-2.42 1 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 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\55282E8B63997F62AF3DD4B9D40CACB30A72D8DB1597D3F53057839CF7335750.exe
    "C:\Users\Admin\AppData\Local\Temp\55282E8B63997F62AF3DD4B9D40CACB30A72D8DB1597D3F53057839CF7335750.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1544
    • C:\Users\Admin\AppData\Local\Temp\TfgAZx.exe
      C:\Users\Admin\AppData\Local\Temp\TfgAZx.exe
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:980
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\245d2829.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3200

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        k2[1].rar

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\I0E3LJN0\k2[1].rar
        • Size 4B
        • SHA256 b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c
        • MD5 SHA1 SHA512

        245d2829.bat

        • Path C:\Users\Admin\AppData\Local\Temp\245d2829.bat
        • Size 187B
        • SHA256 f6d931b4eaa2a8e17ee47d9001f2665aa33bc239ee91fc584047d9b47551fc78
        • MD5 SHA1 SHA512

        42304257.exe

        • Path C:\Users\Admin\AppData\Local\Temp\42304257.exe
        • Size 4B
        • SHA256 9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31
        • MD5 SHA1 SHA512

        TfgAZx.exe

        • Path C:\Users\Admin\AppData\Local\Temp\TfgAZx.exe
        • Size 15KB
        • SHA256 4485df22c627fa0bb899d79aa6ff29bc5be1dbc3caa2b7a490809338d54b7794
        • MD5 SHA1 SHA512 SSDEEP

        memory/980-5-0x0000000000D50000-0x0000000000D59000-memory.dmp

        memory/980-865-0x0000000000D50000-0x0000000000D59000-memory.dmp

        memory/1544-60-0x0000000002730000-0x0000000002759000-memory.dmp

        memory/1544-54-0x0000000002730000-0x0000000002759000-memory.dmp

        memory/1544-10-0x0000000000400000-0x000000000043B000-memory.dmp

        memory/1544-8-0x00000000004D0000-0x00000000005D0000-memory.dmp

        memory/1544-11-0x0000000000400000-0x000000000048A000-memory.dmp

        memory/1544-12-0x00000000026A0000-0x00000000026D0000-memory.dmp

        memory/1544-13-0x0000000004D60000-0x0000000005304000-memory.dmp

        memory/1544-14-0x0000000002730000-0x000000000275E000-memory.dmp

        memory/1544-46-0x0000000002730000-0x0000000002759000-memory.dmp

        memory/1544-26-0x0000000002730000-0x0000000002759000-memory.dmp

        memory/1544-18-0x0000000002730000-0x0000000002759000-memory.dmp

        memory/1544-16-0x0000000002730000-0x0000000002759000-memory.dmp

        memory/1544-68-0x0000000002730000-0x0000000002759000-memory.dmp

        memory/1544-78-0x0000000002730000-0x0000000002759000-memory.dmp

        memory/1544-74-0x0000000002730000-0x0000000002759000-memory.dmp

        memory/1544-72-0x0000000002730000-0x0000000002759000-memory.dmp

        memory/1544-70-0x0000000002730000-0x0000000002759000-memory.dmp

        memory/1544-66-0x0000000002730000-0x0000000002759000-memory.dmp

        memory/1544-64-0x0000000002730000-0x0000000002759000-memory.dmp

        memory/1544-62-0x0000000002730000-0x0000000002759000-memory.dmp

        memory/1544-0-0x0000000000400000-0x000000000048A000-memory.dmp

        memory/1544-58-0x0000000002730000-0x0000000002759000-memory.dmp

        memory/1544-56-0x0000000002730000-0x0000000002759000-memory.dmp

        memory/1544-9-0x0000000002090000-0x00000000020C8000-memory.dmp

        memory/1544-52-0x0000000002730000-0x0000000002759000-memory.dmp

        memory/1544-50-0x0000000002730000-0x0000000002759000-memory.dmp

        memory/1544-48-0x0000000002730000-0x0000000002759000-memory.dmp

        memory/1544-44-0x0000000002730000-0x0000000002759000-memory.dmp

        memory/1544-42-0x0000000002730000-0x0000000002759000-memory.dmp

        memory/1544-40-0x0000000002730000-0x0000000002759000-memory.dmp

        memory/1544-38-0x0000000002730000-0x0000000002759000-memory.dmp

        memory/1544-36-0x0000000002730000-0x0000000002759000-memory.dmp

        memory/1544-34-0x0000000002730000-0x0000000002759000-memory.dmp

        memory/1544-32-0x0000000002730000-0x0000000002759000-memory.dmp

        memory/1544-30-0x0000000002730000-0x0000000002759000-memory.dmp

        memory/1544-28-0x0000000002730000-0x0000000002759000-memory.dmp

        memory/1544-24-0x0000000002730000-0x0000000002759000-memory.dmp

        memory/1544-22-0x0000000002730000-0x0000000002759000-memory.dmp

        memory/1544-20-0x0000000002730000-0x0000000002759000-memory.dmp

        memory/1544-76-0x0000000002730000-0x0000000002759000-memory.dmp

        memory/1544-15-0x0000000002730000-0x0000000002759000-memory.dmp

        memory/1544-821-0x0000000005310000-0x0000000005928000-memory.dmp

        memory/1544-822-0x0000000004CF0000-0x0000000004D02000-memory.dmp

        memory/1544-823-0x0000000005930000-0x0000000005A3A000-memory.dmp

        memory/1544-831-0x0000000005B40000-0x0000000005B7C000-memory.dmp

        memory/1544-832-0x0000000005B90000-0x0000000005BDC000-memory.dmp

        memory/1544-867-0x00000000004D0000-0x00000000005D0000-memory.dmp

        memory/1544-869-0x0000000000400000-0x000000000043B000-memory.dmp