Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    02-10-2024 13:49

General

  • Target

    DHLAWBReceipt.exe

  • Size

    876KB

  • MD5

    7e1a43265a1743e1c13fd5e764170f6a

  • SHA1

    6da49999b8e2821677c0cd6e4d7db153fcaf4bef

  • SHA256

    00d7d6f4464621ac12c198885c9a618eaf9dc6a2a25e507277e13f34a354a7db

  • SHA512

    62673b48a49652e769423360636e4c31bee7a1bb5b04b3579b1adb68056be9b3a369b6303103004f939062e154bb13840b691f573ed5291188a54f01721ff3d1

  • SSDEEP

    12288:OTvDLSJLnC3MWCVrImP2pkgyaMPPy62+kyqkcNc5JN/kR:+vXSk87V4vpaP4+hqOa

Malware Config

Extracted

Family

vipkeylogger

Credentials

Signatures

  • VIPKeylogger

    VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 3 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • 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 use of SetThreadContext 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DHLAWBReceipt.exe
    "C:\Users\Admin\AppData\Local\Temp\DHLAWBReceipt.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3000
    • C:\Users\Admin\AppData\Local\Temp\DHLAWBReceipt.exe
      "C:\Users\Admin\AppData\Local\Temp\DHLAWBReceipt.exe"
      2⤵
        PID:2544
      • C:\Users\Admin\AppData\Local\Temp\DHLAWBReceipt.exe
        "C:\Users\Admin\AppData\Local\Temp\DHLAWBReceipt.exe"
        2⤵
          PID:2792
        • C:\Users\Admin\AppData\Local\Temp\DHLAWBReceipt.exe
          "C:\Users\Admin\AppData\Local\Temp\DHLAWBReceipt.exe"
          2⤵
          • Accesses Microsoft Outlook profiles
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • outlook_office_path
          • outlook_win_path
          PID:2852

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2852-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/2852-10-0x0000000000400000-0x0000000000448000-memory.dmp

        Filesize

        288KB

      • memory/2852-8-0x0000000000400000-0x0000000000448000-memory.dmp

        Filesize

        288KB

      • memory/2852-17-0x0000000000400000-0x0000000000448000-memory.dmp

        Filesize

        288KB

      • memory/2852-20-0x0000000073F80000-0x000000007466E000-memory.dmp

        Filesize

        6.9MB

      • memory/2852-18-0x0000000073F80000-0x000000007466E000-memory.dmp

        Filesize

        6.9MB

      • memory/2852-9-0x0000000000400000-0x0000000000448000-memory.dmp

        Filesize

        288KB

      • memory/2852-7-0x0000000000400000-0x0000000000448000-memory.dmp

        Filesize

        288KB

      • memory/2852-15-0x0000000000400000-0x0000000000448000-memory.dmp

        Filesize

        288KB

      • memory/2852-21-0x0000000073F80000-0x000000007466E000-memory.dmp

        Filesize

        6.9MB

      • memory/2852-13-0x0000000000400000-0x0000000000448000-memory.dmp

        Filesize

        288KB

      • memory/3000-2-0x0000000073F80000-0x000000007466E000-memory.dmp

        Filesize

        6.9MB

      • memory/3000-0-0x0000000073F8E000-0x0000000073F8F000-memory.dmp

        Filesize

        4KB

      • memory/3000-1-0x0000000000160000-0x000000000023E000-memory.dmp

        Filesize

        888KB

      • memory/3000-6-0x0000000000520000-0x00000000005AC000-memory.dmp

        Filesize

        560KB

      • memory/3000-5-0x0000000073F80000-0x000000007466E000-memory.dmp

        Filesize

        6.9MB

      • memory/3000-19-0x0000000073F80000-0x000000007466E000-memory.dmp

        Filesize

        6.9MB

      • memory/3000-4-0x0000000073F8E000-0x0000000073F8F000-memory.dmp

        Filesize

        4KB

      • memory/3000-3-0x0000000000300000-0x000000000031E000-memory.dmp

        Filesize

        120KB