Analysis

  • max time kernel
    150s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    01-11-2024 08:02

General

  • Target

    7289be2eb7aa856a600494b3505c299963d0dbac068c965753bfd481d8ffa861.exe

  • Size

    415KB

  • MD5

    4fe603cf723f900e85718269da63d171

  • SHA1

    f67285d5a17e2fb0baffc4664d03d24188ea0fae

  • SHA256

    7289be2eb7aa856a600494b3505c299963d0dbac068c965753bfd481d8ffa861

  • SHA512

    7d7e908c3b0a35c00727ce3055c4fc87bd62eb4b9b53de28e3d6d1099fb4c9f823f75780a1e527f8c85423b6d2411c7184ad71447c82bb78f40ce086b1321fa7

  • SSDEEP

    6144:3w9D91dOrcN3ZGXNYFNmIkYvUIelVjjVtGRyFH4:gtRfJcNYFNm8UhlZGse

Malware Config

Signatures

  • Blocklisted process makes network request 10 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 6 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.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Drops file in Program Files directory 2 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 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7289be2eb7aa856a600494b3505c299963d0dbac068c965753bfd481d8ffa861.exe
    "C:\Users\Admin\AppData\Local\Temp\7289be2eb7aa856a600494b3505c299963d0dbac068c965753bfd481d8ffa861.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2516
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\oqvcgrjs.exe "C:\Users\Admin\AppData\Local\Temp\7289be2eb7aa856a600494b3505c299963d0dbac068c965753bfd481d8ffa861.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:2660
      • 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:2944
      • C:\Users\Admin\AppData\Local\Temp\oqvcgrjs.exe
        C:\Users\Admin\AppData\Local\Temp\\oqvcgrjs.exe "C:\Users\Admin\AppData\Local\Temp\7289be2eb7aa856a600494b3505c299963d0dbac068c965753bfd481d8ffa861.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2544
        • \??\c:\windows\SysWOW64\rundll32.exe
          c:\windows\system32\rundll32.exe "c:\Program Files\erbiq\nvdam.dll",Verify C:\Users\Admin\AppData\Local\Temp\oqvcgrjs.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
          • System Location Discovery: System Language Discovery
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2160

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \??\c:\Program Files\erbiq\nvdam.dll

    Filesize

    228KB

    MD5

    355bcf8afb240435a1581e3d4944beb8

    SHA1

    3f21c9a1a679fa139e342bd6efb5fe9ed8556822

    SHA256

    3663ec8c82056d1cf12f1197e7d62dd00141e1cec948fb0f8e14abd06d94f624

    SHA512

    7c81da5cacc90186061ff21ff1d4c04bd655a8aa4c3a26ffdc52f80482b3156af463b7859bd7a597576db2bf72567076cfb26f450256cc337424ed86b1b14705

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

    Filesize

    416KB

    MD5

    ee2cba1f2c1572ec9779a6f8cc864582

    SHA1

    ea00d19c3b16993a64cb6f190b8d6d36c22d9e9a

    SHA256

    cce17ae16f6e5beddd36d1609c136cf6c9dc8a515e22906978ee6b852af54246

    SHA512

    b1209559276ba5ca2a7e7e53b143965944dffac19a1a6c07c4f9353a71d8cf914ea85bd1bd42b498e2446474d422dd1fa5142e0f8da8ba65962674303c8a60ca

  • memory/2160-16-0x0000000010000000-0x0000000010080000-memory.dmp

    Filesize

    512KB

  • memory/2160-17-0x0000000010000000-0x0000000010080000-memory.dmp

    Filesize

    512KB

  • memory/2160-19-0x0000000010000000-0x0000000010080000-memory.dmp

    Filesize

    512KB

  • memory/2516-0-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/2516-2-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/2544-10-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/2660-7-0x00000000001B0000-0x0000000000214000-memory.dmp

    Filesize

    400KB

  • memory/2660-6-0x00000000001B0000-0x0000000000214000-memory.dmp

    Filesize

    400KB