Overview

overview

8

Static

static

client-build.exe

windows7-x64

8

client-build.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    140s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • resource tags

    arch:x64arch:x86image:win7-20220414-enlocale:en-usos:windows7-x64system
  • submitted
    17-07-2022 18:20

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General

  • Target

    client-build.exe

  • Size

    138KB

  • MD5

    558f1f82efa9cc7032efd92fb02efb61

  • SHA1

    536ca94d8242ca78a91696ad736b7f586155cbd2

  • SHA256

    d3371af2067d4ab057a9ddd352f439dfbe19d11e8012a8a7586d7402be33fc39

  • SHA512

    4454facdaa545884a9d6d0213e9760506e22b453f7585e4ce2e6b38b3b9de121bb19d6673618efaa59660d3ae0a2f73a892ff72e96dcf465149f2d2f9799b680

Score
8/10
persistence

Malware Config

Signatures

  • Modifies Installed Components in the registry 2 TTPs 1 IoCs
    persistence
  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 21 IoCs
  • Suspicious use of AdjustPrivilegeToken 16 IoCs
  • Suspicious use of FindShellTrayWindow 24 IoCs
  • Suspicious use of SendNotifyMessage 16 IoCs
  • Suspicious use of WriteProcessMemory 46 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\client-build.exe
    "C:\Users\Admin\AppData\Local\Temp\client-build.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:736
    • C:\Windows\explorer.exe
      "C:\Windows\explorer.exe"
      2⤵
      • Modifies Installed Components in the registry
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:1868
      • C:\Windows\system32\ctfmon.exe
        ctfmon.exe
        3⤵
          PID:1100
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" P6YJEF 34.91.75.162 1338 UDD7NU
        2⤵
          PID:1064
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" P6YJEF 34.91.75.162 1338 UDD7NU
          2⤵
            PID:1984
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" P6YJEF 34.91.75.162 1338 UDD7NU
            2⤵
              PID:2028
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" P6YJEF 34.91.75.162 1338 UDD7NU
              2⤵
                PID:2044
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" P6YJEF 34.91.75.162 1338 UDD7NU
                2⤵
                  PID:1692
                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
                  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" P6YJEF 34.91.75.162 1338 UDD7NU
                  2⤵
                    PID:1716
                  • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
                    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" P6YJEF 34.91.75.162 1338 UDD7NU
                    2⤵
                      PID:936
                    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
                      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" P6YJEF 34.91.75.162 1338 UDD7NU
                      2⤵
                        PID:1988
                      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
                        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" P6YJEF 34.91.75.162 1338 UDD7NU
                        2⤵
                          PID:968
                        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
                          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" P6YJEF 34.91.75.162 1338 UDD7NU
                          2⤵
                            PID:1768
                        • C:\Windows\system32\AUDIODG.EXE
                          C:\Windows\system32\AUDIODG.EXE 0x510
                          1⤵
                          • Suspicious use of AdjustPrivilegeToken
                          PID:1152

                        Network

                        MITRE ATT&CK Matrix ATT&CK v6

                        Initial Access

                        Execution

                        Persistence

                        Registry Run Keys / Startup Folder

                        1
                        T1060

                        Privilege Escalation

                        Defense Evasion

                        Modify Registry

                        1
                        T1112

                        Credential Access

                        Discovery

                        Lateral Movement

                        Collection

                        Exfiltration

                        Command and Control

                        Impact

                        Replay Monitor

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                        Downloads

                        • memory/736-54-0x00000000002C0000-0x00000000002E8000-memory.dmp
                          Filesize

                          160KB

                          Download
                        • memory/1100-57-0x0000000000000000-mapping.dmp
                          Download
                        • memory/1868-55-0x0000000000000000-mapping.dmp
                          Download
                        • memory/1868-56-0x000007FEFC4D1000-0x000007FEFC4D3000-memory.dmp
                          Filesize

                          8KB

                          Download