Analysis

  • max time kernel
    118s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19/01/2025, 18:55

General

  • Target

    606aa54d6af1fb79f97cb6153cbb3c7244a39caa06cb4759fa224f041296b4cd.exe

  • Size

    260KB

  • MD5

    0b0b0742f00569a644de0d91f04981b5

  • SHA1

    3ae1c9f2017981ce389baa55a0775241b87e7529

  • SHA256

    606aa54d6af1fb79f97cb6153cbb3c7244a39caa06cb4759fa224f041296b4cd

  • SHA512

    a178a5e07a0d500f6b366152d058af73e0e3af18bcbe7713a05ae5a0b16d9b20e4b2f45d2313ba7181d4c0c208995def738d2ee868407728cf3166142dd74cbc

  • SSDEEP

    6144:zefpY2nDl/XExmqGSE1w+DrseAB7LWg5nD9dwLi0Q:z6JDexmqGR1DnfsDLw20Q

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 7 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops file in Program Files directory 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\606aa54d6af1fb79f97cb6153cbb3c7244a39caa06cb4759fa224f041296b4cd.exe
    "C:\Users\Admin\AppData\Local\Temp\606aa54d6af1fb79f97cb6153cbb3c7244a39caa06cb4759fa224f041296b4cd.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2136
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\pkhgfc.exe "C:\Users\Admin\AppData\Local\Temp\606aa54d6af1fb79f97cb6153cbb3c7244a39caa06cb4759fa224f041296b4cd.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:2176
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 2
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:2572
      • C:\Users\Admin\AppData\Local\Temp\pkhgfc.exe
        C:\Users\Admin\AppData\Local\Temp\\pkhgfc.exe "C:\Users\Admin\AppData\Local\Temp\606aa54d6af1fb79f97cb6153cbb3c7244a39caa06cb4759fa224f041296b4cd.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1248
        • \??\c:\Program Files\cvhmbhp\ccd.exe
          "c:\Program Files\cvhmbhp\ccd.exe" "c:\Program Files\cvhmbhp\ccdjm.dll",Cache C:\Users\Admin\AppData\Local\Temp\pkhgfc.exe
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • Enumerates connected drives
          • Writes to the Master Boot Record (MBR)
          • System Location Discovery: System Language Discovery
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2204

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • \??\c:\Program Files\cvhmbhp\ccdjm.dll

          Filesize

          188KB

          MD5

          3aeead0d21bcfc72576464a992f2185a

          SHA1

          21f376305cc3e072ceda98c17aa735c6ab4fdc07

          SHA256

          7a16088679c8c25714ea51203f3f9d8735b4a1630c366c1a43f2344b762a999b

          SHA512

          03d64f82c12c15c0fe450e0a8508f53f43ad0477e830613c80a678a3d7de3a23583b0eb49ac3c188ed8d2a36559bb5d51e40e56446a18871f27da971f124daa5

        • \Program Files\cvhmbhp\ccd.exe

          Filesize

          43KB

          MD5

          51138beea3e2c21ec44d0932c71762a8

          SHA1

          8939cf35447b22dd2c6e6f443446acc1bf986d58

          SHA256

          5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

          SHA512

          794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

        • \Users\Admin\AppData\Local\Temp\pkhgfc.exe

          Filesize

          260KB

          MD5

          5fb2cd4226244fb133bb7c354c18541b

          SHA1

          73b6248940c99a0c642c83d19521de5689439449

          SHA256

          1d0066a026c70f8aa0d4ab3c2add5848eed9697978b0b5fe2007f3aa213501f5

          SHA512

          ddc71f93fc71e2cc333e12c88f7b6439b42fe34dfecc2a273480f4d2fbf25bfe95a82bea89920af08c0fd573e1e7bad8d0c9a69c261f774a4fa312ba52e07be0

        • memory/1248-19-0x0000000000400000-0x0000000000459036-memory.dmp

          Filesize

          356KB

        • memory/1248-10-0x0000000000400000-0x0000000000459036-memory.dmp

          Filesize

          356KB

        • memory/1248-11-0x0000000000400000-0x0000000000459036-memory.dmp

          Filesize

          356KB

        • memory/2136-4-0x0000000000400000-0x0000000000459036-memory.dmp

          Filesize

          356KB

        • memory/2136-2-0x0000000000400000-0x0000000000459036-memory.dmp

          Filesize

          356KB

        • memory/2136-0-0x0000000000400000-0x0000000000459036-memory.dmp

          Filesize

          356KB

        • memory/2136-1-0x0000000000400000-0x0000000000459036-memory.dmp

          Filesize

          356KB

        • memory/2176-6-0x0000000000130000-0x000000000018A000-memory.dmp

          Filesize

          360KB

        • memory/2204-27-0x0000000010000000-0x000000001006F000-memory.dmp

          Filesize

          444KB

        • memory/2204-26-0x0000000010000000-0x000000001006F000-memory.dmp

          Filesize

          444KB

        • memory/2204-28-0x0000000010000000-0x000000001006F000-memory.dmp

          Filesize

          444KB

        • memory/2204-30-0x0000000010000000-0x000000001006F000-memory.dmp

          Filesize

          444KB