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Analysis

  • max time kernel
    145s
  • max time network
    77s
  • platform
    windows7_x64
  • resource
    win7-20220718-en
  • resource tags

    arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system
  • submitted
    05/08/2022, 11:18

General

  • Target

    Revised shipment.pdf.exe

  • Size

    706KB

  • MD5

    f79203454fd766c8189d00c43cfc7485

  • SHA1

    fe44898d206f0b4ef9497e7b7b2e9dedcd4335aa

  • SHA256

    3909f1e1d41d36e0f62bd770841a0a8ea28c2b7d52f2e2fc77457538fbd7a291

  • SHA512

    2b88a745ec24591e5a5b28ade1470416a6bfe2bed86383c276736d0142ddae64bf985cd84772ac00512868f1741f3a7cab555a7a53f95eb5408a582d0fbb8ad1

Malware Config

Signatures

  • BluStealer

    A Modular information stealer written in Visual Basic.

  • StormKitty

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

  • StormKitty payload 4 IoCs
  • 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 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • 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 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Revised shipment.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Revised shipment.pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1924
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\vEOwgfttl.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1384
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vEOwgfttl" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEA60.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1360
    • C:\Users\Admin\AppData\Local\Temp\Revised shipment.pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\Revised shipment.pdf.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:456
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        3⤵
        • Accesses Microsoft Outlook profiles
        • Checks processor information in registry
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:1392

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpEA60.tmp

    Filesize

    1KB

    MD5

    d2845cc258e0426e595acc15fe5bde0f

    SHA1

    96e4a0bbd2f79b25221fb36e8159137db554685b

    SHA256

    c85f1b660575010bc5287d71e11dcd10ba961eea989e4529bf3e420b149a2752

    SHA512

    89a8d4db808edbeede719c2053825971a851d7cffcb7c187202e2cd7897785c2b427aec8a2f2e728c112895752cea1a4bd8c591f6aebed7390d8f24572fb2d63

  • memory/456-64-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/456-88-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/456-77-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/456-72-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/456-69-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/456-67-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/456-65-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/1384-87-0x000000006CCD0000-0x000000006D27B000-memory.dmp

    Filesize

    5.7MB

  • memory/1384-76-0x000000006CCD0000-0x000000006D27B000-memory.dmp

    Filesize

    5.7MB

  • memory/1392-80-0x0000000000090000-0x00000000000AA000-memory.dmp

    Filesize

    104KB

  • memory/1392-83-0x0000000000090000-0x00000000000AA000-memory.dmp

    Filesize

    104KB

  • memory/1392-85-0x0000000000090000-0x00000000000AA000-memory.dmp

    Filesize

    104KB

  • memory/1392-78-0x0000000000090000-0x00000000000AA000-memory.dmp

    Filesize

    104KB

  • memory/1924-58-0x0000000004F30000-0x0000000004FA2000-memory.dmp

    Filesize

    456KB

  • memory/1924-56-0x0000000000270000-0x0000000000286000-memory.dmp

    Filesize

    88KB

  • memory/1924-57-0x0000000000290000-0x000000000029A000-memory.dmp

    Filesize

    40KB

  • memory/1924-63-0x0000000000FE0000-0x000000000100A000-memory.dmp

    Filesize

    168KB

  • memory/1924-54-0x0000000001130000-0x00000000011E8000-memory.dmp

    Filesize

    736KB

  • memory/1924-55-0x0000000076201000-0x0000000076203000-memory.dmp

    Filesize

    8KB