Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    26-10-2020 07:09

General

  • Target

    c3c4e97a92372bba5299301c96a20a15.exe

  • Size

    2.0MB

  • MD5

    c3c4e97a92372bba5299301c96a20a15

  • SHA1

    059ce2d62526a9c4bb1ab81cacb1945fa23a4478

  • SHA256

    e138114de7be8b668de032a3bacf123dc855eead36d2765689c990cf1951771c

  • SHA512

    7eb8b4d87004d0edffd43ef90656d2e805befe3743a626fe60bce11b240959995ba39f5dc15a19e47f34edd9180c9d1d7547df447efaed5fbb72f30ea1007780

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • JavaScript code in executable 1 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 2 IoCs
  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4158 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c3c4e97a92372bba5299301c96a20a15.exe
    "C:\Users\Admin\AppData\Local\Temp\c3c4e97a92372bba5299301c96a20a15.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3980
    • C:\Users\Admin\AppData\Local\Temp\c3c4e97a92372bba5299301c96a20a15.exe
      "C:\Users\Admin\AppData\Local\Temp\c3c4e97a92372bba5299301c96a20a15.exe"
      2⤵
        PID:2436
      • C:\Users\Admin\AppData\Local\Temp\c3c4e97a92372bba5299301c96a20a15.exe
        "C:\Users\Admin\AppData\Local\Temp\c3c4e97a92372bba5299301c96a20a15.exe"
        2⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:2472
        • C:\Users\Admin\AppData\Local\Temp\1kKgdlbttN.exe
          "C:\Users\Admin\AppData\Local\Temp\1kKgdlbttN.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:976
          • C:\Users\Admin\AppData\Local\Temp\1kKgdlbttN.exe
            "C:\Users\Admin\AppData\Local\Temp\1kKgdlbttN.exe"
            4⤵
            • Executes dropped EXE
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:400
            • C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe
              "C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe"
              5⤵
              • Executes dropped EXE
              PID:1868
        • C:\Windows\SysWOW64\cmd.exe
          cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\c3c4e97a92372bba5299301c96a20a15.exe"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1344
          • C:\Windows\SysWOW64\timeout.exe
            timeout /T 10 /NOBREAK
            4⤵
            • Delays execution with timeout.exe
            PID:3992

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/400-25-0x0000000000400000-0x000000000045A000-memory.dmp

      Filesize

      360KB

    • memory/400-28-0x0000000000400000-0x000000000045A000-memory.dmp

      Filesize

      360KB

    • memory/976-23-0x0000000005420000-0x0000000005489000-memory.dmp

      Filesize

      420KB

    • memory/976-19-0x0000000071B20000-0x000000007220E000-memory.dmp

      Filesize

      6.9MB

    • memory/976-20-0x0000000000730000-0x0000000000731000-memory.dmp

      Filesize

      4KB

    • memory/2472-7-0x0000000000400000-0x0000000000493000-memory.dmp

      Filesize

      588KB

    • memory/2472-5-0x0000000000400000-0x0000000000493000-memory.dmp

      Filesize

      588KB

    • memory/3980-0-0x0000000073880000-0x0000000073F6E000-memory.dmp

      Filesize

      6.9MB

    • memory/3980-4-0x0000000000BD0000-0x0000000000BDC000-memory.dmp

      Filesize

      48KB

    • memory/3980-3-0x0000000004D80000-0x0000000004DDF000-memory.dmp

      Filesize

      380KB

    • memory/3980-1-0x0000000000050000-0x0000000000051000-memory.dmp

      Filesize

      4KB