Analysis

  • max time kernel
    137s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/05/2024, 13:31

General

  • Target
    776e97dad3071bc1fd1ac1365cf8c743.exe
  • Size 3.3MB
  • Sample240512-qsc2wsbf97
  • SHA256 94e42c4fee044a71b982054b06a77bc335aaf1e542f66422a75de3ea207dd77a
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detect ZGRat V1 3 IoCs
  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Checks computer location settings 2 TTPs 5 IoCs

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

  • Executes dropped EXE 3 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Looks up external IP address via web service 1 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Delays execution with timeout.exe 1 IoCs
  • Modifies registry class 2 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\776e97dad3071bc1fd1ac1365cf8c743.exe
    "C:\Users\Admin\AppData\Local\Temp\776e97dad3071bc1fd1ac1365cf8c743.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3900
    • C:\Users\Admin\AppData\Local\Temp\мой билд (2).exe
      "C:\Users\Admin\AppData\Local\Temp\мой билд (2).exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2680
      • C:\Users\Admin\AppData\Local\Temp\мой билд.exe
        "C:\Users\Admin\AppData\Local\Temp\мой билд.exe"
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Modifies registry class
        • Suspicious use of WriteProcessMemory
        PID:4424
        • C:\Windows\SysWOW64\WScript.exe
          "C:\Windows\System32\WScript.exe" "C:\surrogateFontWin\FxEsHofdY3CkZxo9NE8wRbgFeALKgU47U7PRpcYvRm.vbe"
          4⤵
          • Checks computer location settings
          • Suspicious use of WriteProcessMemory
          PID:1468
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\surrogateFontWin\eZnqBD8zv5t5.bat" "
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:4328
            • C:\surrogateFontWin\surrogateRuntime.exe
              "C:\surrogateFontWin/surrogateRuntime.exe"
              6⤵
              • Checks computer location settings
              • Executes dropped EXE
              • Modifies registry class
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:3456
              • C:\Windows\System32\cmd.exe
                "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\vlZZCFJNsh.bat"
                7⤵
                • Suspicious use of WriteProcessMemory
                PID:5056
                • C:\Windows\system32\chcp.com
                  chcp 65001
                  8⤵
                    PID:1348
                  • C:\Windows\system32\PING.EXE
                    ping -n 10 localhost
                    8⤵
                    • Runs ping.exe
                    PID:2256
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp48A2.tmp.bat""
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1596
          • C:\Windows\system32\timeout.exe
            timeout 3
            4⤵
            • Delays execution with timeout.exe
            PID:3624

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          tmp48A2.tmp.bat

          • Path C:\Users\Admin\AppData\Local\Temp\tmp48A2.tmp.bat
          • Size 171B
          • SHA256 0ec650c14fcfd4fd89ae741250497170e92555f3b3d56c364f34ce46fc7dc5fc
          • MD5 SHA1 SHA512

          vlZZCFJNsh.bat

          • Path C:\Users\Admin\AppData\Local\Temp\vlZZCFJNsh.bat
          • Size 172B
          • SHA256 6bba1868a9786d76e242efb2bf7f3204e5ad05047f48d33ae71c7974257d5b53
          • MD5 SHA1 SHA512

          мой билд (2).exe

          • Path C:\Users\Admin\AppData\Local\Temp\мой билд (2).exe
          • Size 3.3MB
          • SHA256 3a2445fac1e43838a0164e12ad98eb327f4441e0709f262858f54da828401d96
          • MD5 SHA1 SHA512 SSDEEP

          мой билд.exe

          • Path C:\Users\Admin\AppData\Local\Temp\мой билд.exe
          • Size 3.8MB
          • SHA256 2b2e9731f7ef4f76d1c692afe23cd7f97d4da7652a37707455afb34b71559a50
          • MD5 SHA1 SHA512 SSDEEP

          FxEsHofdY3CkZxo9NE8wRbgFeALKgU47U7PRpcYvRm.vbe

          • Path C:\surrogateFontWin\FxEsHofdY3CkZxo9NE8wRbgFeALKgU47U7PRpcYvRm.vbe
          • Size 207B
          • SHA256 bc1c46785a1ed27d6b9850f641a63e27e2f7614b9b243a3781a3d6c4a6458b91
          • MD5 SHA1 SHA512

          eZnqBD8zv5t5.bat

          • Path C:\surrogateFontWin\eZnqBD8zv5t5.bat
          • Size 87B
          • SHA256 1e2015066d2a71a19bdd1c4612a9bce1e8b6d56fdcf7c41b1a31a03a94f63cd1
          • MD5 SHA1 SHA512

          surrogateRuntime.exe

          • Path C:\surrogateFontWin\surrogateRuntime.exe
          • Size 3.5MB
          • SHA256 4a76d24957664dfef3e7653fcbcd55da1e93b5f50344903d1ac31e49bbd51012
          • MD5 SHA1 SHA512 SSDEEP

          memory/2680-16-0x00007FFA54790000-0x00007FFA55251000-memory.dmp

          memory/2680-17-0x0000000000170000-0x00000000004C8000-memory.dmp

          memory/2680-18-0x00007FFA54790000-0x00007FFA55251000-memory.dmp

          memory/2680-30-0x00007FFA54790000-0x00007FFA55251000-memory.dmp

          memory/3456-50-0x000000001BC80000-0x000000001BC9C000-memory.dmp

          memory/3456-67-0x000000001CA70000-0x000000001CA86000-memory.dmp

          memory/3456-131-0x000000001D510000-0x000000001D5B9000-memory.dmp

          memory/3456-44-0x0000000000CC0000-0x000000000104E000-memory.dmp

          memory/3456-46-0x000000001C660000-0x000000001C686000-memory.dmp

          memory/3456-48-0x000000001BC50000-0x000000001BC5E000-memory.dmp

          memory/3456-51-0x000000001C9E0000-0x000000001CA30000-memory.dmp

          memory/3456-53-0x000000001BC60000-0x000000001BC70000-memory.dmp

          memory/3456-55-0x000000001C9B0000-0x000000001C9C8000-memory.dmp

          memory/3456-91-0x000000001D510000-0x000000001D5B9000-memory.dmp

          memory/3456-57-0x000000001BC70000-0x000000001BC80000-memory.dmp

          memory/3456-59-0x000000001C990000-0x000000001C9A0000-memory.dmp

          memory/3456-61-0x000000001C9A0000-0x000000001C9AE000-memory.dmp

          memory/3456-63-0x000000001CA50000-0x000000001CA62000-memory.dmp

          memory/3456-65-0x000000001C9D0000-0x000000001C9E0000-memory.dmp

          memory/3456-90-0x000000001CDF0000-0x000000001CE3E000-memory.dmp

          memory/3456-69-0x000000001CA90000-0x000000001CAA2000-memory.dmp

          memory/3456-70-0x000000001CFE0000-0x000000001D508000-memory.dmp

          memory/3456-72-0x000000001CA30000-0x000000001CA3E000-memory.dmp

          memory/3456-74-0x000000001CA40000-0x000000001CA50000-memory.dmp

          memory/3456-76-0x000000001CAB0000-0x000000001CAC0000-memory.dmp

          memory/3456-78-0x000000001CB20000-0x000000001CB7A000-memory.dmp

          memory/3456-80-0x000000001CAC0000-0x000000001CACE000-memory.dmp

          memory/3456-82-0x000000001CAD0000-0x000000001CAE0000-memory.dmp

          memory/3456-84-0x000000001CAE0000-0x000000001CAEE000-memory.dmp

          memory/3456-86-0x000000001CD80000-0x000000001CD98000-memory.dmp

          memory/3456-88-0x000000001CAF0000-0x000000001CAFC000-memory.dmp

          memory/3900-15-0x00007FFA54790000-0x00007FFA55251000-memory.dmp

          memory/3900-0-0x00007FFA54793000-0x00007FFA54795000-memory.dmp

          memory/3900-3-0x00007FFA54790000-0x00007FFA55251000-memory.dmp

          memory/3900-1-0x00000000009A0000-0x0000000000CF8000-memory.dmp