Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/05/2024, 07:21

General

  • Target

    29199052b3506fa030c60092697ec61556e3dae63976101aac939f6dab2e48a1.exe

  • Size

    404KB

  • MD5

    d1cc50cc989327483ed464a6ce575c42

  • SHA1

    af5609dafec8a1c9a481a4a78134d11e77cb61f4

  • SHA256

    29199052b3506fa030c60092697ec61556e3dae63976101aac939f6dab2e48a1

  • SHA512

    def72c27a497f1a14a48b52a4dd216eae4d480e0740a024382b3d85bf41806552763b608724b927153777030eb0ff45c62fe2b299fde810ca9818b1673dd1fc0

  • SSDEEP

    6144:3w9D91dOrcN3ZGXNYFNmIkYvUIelVjjVtGRyFH4:gtRfJcNYFNm8UhlZGse

Malware Config

Signatures

  • Blocklisted process makes network request 8 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 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.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • 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 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\29199052b3506fa030c60092697ec61556e3dae63976101aac939f6dab2e48a1.exe
    "C:\Users\Admin\AppData\Local\Temp\29199052b3506fa030c60092697ec61556e3dae63976101aac939f6dab2e48a1.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3428
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\eplqf.exe "C:\Users\Admin\AppData\Local\Temp\29199052b3506fa030c60092697ec61556e3dae63976101aac939f6dab2e48a1.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:540
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 2
        3⤵
        • Runs ping.exe
        PID:2592
      • C:\Users\Admin\AppData\Local\Temp\eplqf.exe
        C:\Users\Admin\AppData\Local\Temp\\eplqf.exe "C:\Users\Admin\AppData\Local\Temp\29199052b3506fa030c60092697ec61556e3dae63976101aac939f6dab2e48a1.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • Drops file in Program Files directory
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4632
        • \??\c:\windows\SysWOW64\rundll32.exe
          c:\windows\system32\rundll32.exe "c:\Program Files\fudki\ptoeb.dll",Verify C:\Users\Admin\AppData\Local\Temp\eplqf.exe
          4⤵
          • Blocklisted process makes network request
          • Loads dropped DLL
          • Adds Run key to start application
          • Enumerates connected drives
          • Writes to the Master Boot Record (MBR)
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4800

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\eplqf.exe

          Filesize

          405KB

          MD5

          ef33a10348b5944638fbd90597d37939

          SHA1

          8ffb0295eabf61cd58c04b35076abaa83d5eba80

          SHA256

          96c413ca05c9c790bee250a41aa4609bde50d1d44cfd9f97bebea5ab27fb2cd4

          SHA512

          f83dd53f2107b5822f3158d6c55f3ee36b3dc7ec4a098221759248ce4df3f989257341d559c84cfe4cbad51a10b21854a29fd984f0dce31956fc96c483829a67

        • \??\c:\Program Files\fudki\ptoeb.dll

          Filesize

          228KB

          MD5

          7e85818a39c86dacda7a3958e6459a49

          SHA1

          d70010aaa892415c1bf0104e8497323047dfc220

          SHA256

          c6ba78d14b81cccb4bc9c8330fa08218a0bf4f4be0e907cae5b4516ad22cda1e

          SHA512

          07237a948dace08e30847f0fc61141d0c547f4c83ab59adb71b0bc150fb7527356e3de18370eaa1e4e39f1b30cabcc7cbb2b6d3279f12de81bc60af33e633d08

        • memory/3428-0-0x0000000000400000-0x0000000000464000-memory.dmp

          Filesize

          400KB

        • memory/3428-2-0x0000000000400000-0x0000000000464000-memory.dmp

          Filesize

          400KB

        • memory/4632-6-0x0000000000400000-0x0000000000464000-memory.dmp

          Filesize

          400KB

        • memory/4632-8-0x0000000000400000-0x0000000000464000-memory.dmp

          Filesize

          400KB

        • memory/4800-11-0x0000000010000000-0x0000000010080000-memory.dmp

          Filesize

          512KB

        • memory/4800-12-0x0000000010000000-0x0000000010080000-memory.dmp

          Filesize

          512KB

        • memory/4800-14-0x0000000010000000-0x0000000010080000-memory.dmp

          Filesize

          512KB