Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows10_x64
  • resource
    win10v200430
  • submitted
    29/06/2020, 10:15

General

  • Target
    260809d850f42fd71f5ddff0bf68a241a82595aa062d82fa5ca6c7bf8076ad15.exe
  • Size 14.7MB
  • Sample200629-xdck3vhtme
  • SHA256 260809d850f42fd71f5ddff0bf68a241a82595aa062d82fa5ca6c7bf8076ad15
  • MD5 SHA1 SHA512
Score
8/10

Malware Config

Signatures

  • Reads user/profile data of web browsers 2 TTPs

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

  • Suspicious use of WriteProcessMemory 43 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Program crash 1 IoCs
  • Loads dropped DLL 14 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 15 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Accesses cryptocurrency wallets, possible credential harvesting 2 TTPs
  • Checks for installed software on the system 1 TTPs 29 IoCs
  • Suspicious use of AdjustPrivilegeToken 19 IoCs
  • Suspicious behavior: EnumeratesProcesses 154 IoCs
  • Executes dropped EXE 4 IoCs
  • Looks up external IP address via web service 3 IoCs

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\260809d850f42fd71f5ddff0bf68a241a82595aa062d82fa5ca6c7bf8076ad15.exe
    "C:\Users\Admin\AppData\Local\Temp\260809d850f42fd71f5ddff0bf68a241a82595aa062d82fa5ca6c7bf8076ad15.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious behavior: EnumeratesProcesses
    PID:2080
    • C:\Users\Admin\AppData\Local\Temp\260809d850f42fd71f5ddff0bf68a241a82595aa062d82fa5ca6c7bf8076ad15.exe
      "C:\Users\Admin\AppData\Local\Temp\260809d850f42fd71f5ddff0bf68a241a82595aa062d82fa5ca6c7bf8076ad15.exe"
      2⤵
        PID:420
      • C:\Users\Admin\AppData\Local\Temp\260809d850f42fd71f5ddff0bf68a241a82595aa062d82fa5ca6c7bf8076ad15.exe
        "C:\Users\Admin\AppData\Local\Temp\260809d850f42fd71f5ddff0bf68a241a82595aa062d82fa5ca6c7bf8076ad15.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:504
        • C:\Users\Admin\AppData\Local\Temp\Esqyfk.exe
          "C:\Users\Admin\AppData\Local\Temp\Esqyfk.exe"
          3⤵
          • Suspicious use of WriteProcessMemory
          • Executes dropped EXE
          PID:1144
          • C:\Users\Admin\AppData\Local\Temp\Esqyfk.exe
            "C:\Users\Admin\AppData\Local\Temp\Esqyfk.exe"
            4⤵
            • Suspicious use of WriteProcessMemory
            • Loads dropped DLL
            • Suspicious use of AdjustPrivilegeToken
            • Executes dropped EXE
            PID:1920
            • C:\Windows\system32\cmd.exe
              C:\Windows\system32\cmd.exe /c cls
              5⤵
                PID:2876
          • C:\Users\Admin\AppData\Local\Temp\Cjoslavnmdd.exe
            "C:\Users\Admin\AppData\Local\Temp\Cjoslavnmdd.exe"
            3⤵
            • Suspicious use of WriteProcessMemory
            • Suspicious use of SetThreadContext
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious behavior: EnumeratesProcesses
            • Executes dropped EXE
            PID:1320
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
              4⤵
                PID:4044
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
                4⤵
                • Suspicious use of WriteProcessMemory
                • Suspicious use of NtSetInformationThreadHideFromDebugger
                • Checks for installed software on the system
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious behavior: EnumeratesProcesses
                PID:3896
                • C:\Windows\SysWOW64\netsh.exe
                  "netsh" wlan show profiles
                  5⤵
                    PID:852
                • C:\Users\Admin\AppData\Roaming\ctfmom.exe
                  "C:\Users\Admin\AppData\Roaming\ctfmom.exe"
                  4⤵
                  • Suspicious behavior: AddClipboardFormatListener
                  • Executes dropped EXE
                  PID:2684
                • C:\Windows\SysWOW64\cmd.exe
                  "C:\Windows\System32\cmd.exe" "/C choice /C Y /N /D Y /T 3 & Del "C:\Users\Admin\AppData\Local\Temp\Cjoslavnmdd.exe
                  4⤵
                  • Suspicious use of WriteProcessMemory
                  PID:2972
                  • C:\Windows\SysWOW64\choice.exe
                    choice /C Y /N /D Y /T 3
                    5⤵
                      PID:2484
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 2080 -s 1420
                2⤵
                • Program crash
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious behavior: EnumeratesProcesses
                PID:1316

            Network

                  MITRE ATT&CK Enterprise v6

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                  Downloads

                  memory/504-0-0x0000000000400000-0x0000000000AE8000-memory.dmp

                  memory/1316-21-0x00000000047A0000-0x00000000047A1000-memory.dmp

                  memory/1316-17-0x00000000047A0000-0x00000000047A1000-memory.dmp

                  memory/1316-52-0x00000000047A0000-0x00000000047A1000-memory.dmp

                  memory/1316-53-0x0000000004A90000-0x0000000004A91000-memory.dmp

                  memory/1316-10-0x00000000047A0000-0x00000000047A1000-memory.dmp

                  memory/1316-11-0x00000000047A0000-0x00000000047A1000-memory.dmp

                  memory/3896-54-0x0000000000400000-0x00000000004AA000-memory.dmp