Analysis

  • max time kernel
    119s
  • max time network
    137s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    11-10-2023 22:48

General

  • Target

    stub/stub.exe

  • Size

    83KB

  • MD5

    e9f08b24f1edc1b14d47b7abaef8a03b

  • SHA1

    e11c3be9bc129931ea7f77ec086035f1a0dd5e9a

  • SHA256

    fdf3d67df1d0dd6bf150308cf1cc39c7f11cd808e45ecb31df9cc1c288670f15

  • SHA512

    763ab12868173584d7bb0e42cd1b6a8f7048f13c5d27ac2ac1df3e058407e5859127c18f7075895c736565da3ca0bd2065f99148091041bc58c519b2bc0965be

  • SSDEEP

    1536:WdE4PhxQwIJeUzTduCWUQVuQYkEFY5NSkfDhz/BXmpeTxonCr5T3PZTSwEKYKIO8:KkeUHd1Wx1NSkfDhz/BbOc5TfZuwEKYd

Malware Config

Signatures

  • Phemedrone

    An information and wallet stealer written in C#.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\stub\stub.exe
    "C:\Users\Admin\AppData\Local\Temp\stub\stub.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2784
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 2784 -s 720
      2⤵
        PID:3000
    • C:\Windows\system32\wbem\WmiApSrv.exe
      C:\Windows\system32\wbem\WmiApSrv.exe
      1⤵
        PID:2532

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2784-0-0x00000000008E0000-0x00000000008FC000-memory.dmp

        Filesize

        112KB

      • memory/2784-1-0x000007FEF50D0000-0x000007FEF5ABC000-memory.dmp

        Filesize

        9.9MB

      • memory/2784-2-0x000000001AB50000-0x000000001ABD0000-memory.dmp

        Filesize

        512KB

      • memory/2784-3-0x000007FEF50D0000-0x000007FEF5ABC000-memory.dmp

        Filesize

        9.9MB

      • memory/2784-4-0x000000001AB50000-0x000000001ABD0000-memory.dmp

        Filesize

        512KB