Analysis

  • max time kernel
    88s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    05/05/2023, 21:01

General

  • Target

    VESSELDETAILS.exe

  • Size

    541KB

  • MD5

    51bb2cd3a440b03b8f3395668bb7ed44

  • SHA1

    de675a2e334b5d1c30f52184cb1b2c7c9e071656

  • SHA256

    799ad2554344216d192896a517536862c2435f054182bb8e468f6dd9f15f3e33

  • SHA512

    c4cec2ad5033e5639b33b8291c6ce8cf2bb520568d222b653abd14ff100f0cc7b102b1f1d2d9ce72a8e85b15defa7e891d18e0559c447efcc00a3a4186342c61

  • SSDEEP

    12288:VOhXGPstv/uHCuBHzmZ5i7TzVx0vq60btUP+2wuZ9Cb6rh:GXGrxk5iwq60btW7//h

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot5923227859:AAEYo__DCK9GpHPQHPaQXx_5mU4DPDQb_xs/sendMessage?chat_id=1965959123

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 7 IoCs
  • StormKitty

    StormKitty is an open source info stealer written in C#.

  • StormKitty payload 7 IoCs
  • Reads user/profile data of web browsers 2 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\VESSELDETAILS.exe
    "C:\Users\Admin\AppData\Local\Temp\VESSELDETAILS.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1768
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xTXuqPdjAiGmQt" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC256.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1248
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\xTXuqPdjAiGmQt.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:468
    • C:\Users\Admin\AppData\Local\Temp\VESSELDETAILS.exe
      "C:\Users\Admin\AppData\Local\Temp\VESSELDETAILS.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1860

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\tmpC256.tmp

          Filesize

          1KB

          MD5

          2e513d80776316b18b3eacf78aa21a69

          SHA1

          3426067d4db8b09ba9bc189ac1f49e4bc1a1ecf8

          SHA256

          93796655cc094767a7007fee50e772c6de53d2032f6750cdc9ed5ffd6adafb9c

          SHA512

          e47b4824076bb52f775fca69014b77a6fa2c911194697a9d426776a47014fa58c5cbb8efa838dec195758250f4d2015e6a52e0a03c4b98d7abea7d401dfee59b

        • memory/1768-54-0x0000000000940000-0x00000000009CE000-memory.dmp

          Filesize

          568KB

        • memory/1768-55-0x0000000004B50000-0x0000000004B90000-memory.dmp

          Filesize

          256KB

        • memory/1768-56-0x00000000003E0000-0x00000000003F0000-memory.dmp

          Filesize

          64KB

        • memory/1768-57-0x0000000004B50000-0x0000000004B90000-memory.dmp

          Filesize

          256KB

        • memory/1768-58-0x0000000000400000-0x000000000040C000-memory.dmp

          Filesize

          48KB

        • memory/1768-59-0x0000000004DC0000-0x0000000004E22000-memory.dmp

          Filesize

          392KB

        • memory/1768-67-0x0000000004B20000-0x0000000004B48000-memory.dmp

          Filesize

          160KB

        • memory/1860-68-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/1860-75-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/1860-77-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/1860-73-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/1860-72-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/1860-71-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/1860-70-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/1860-69-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/1860-78-0x0000000004A40000-0x0000000004A80000-memory.dmp

          Filesize

          256KB

        • memory/1860-79-0x0000000004A40000-0x0000000004A80000-memory.dmp

          Filesize

          256KB