Analysis

  • max time kernel
    145s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    20/10/2022, 21:31

General

  • Target
    Revised Company_Handbook_pdf.exe
  • Size 175KB
  • Sample221020-1c14wsfef2
  • SHA256 dccb778387d26b2364ceec6e9099f78f8da0f1f2c13d987eeb9fb51cc48e19d6
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Lokibot

    Lokibot is a Password and CryptoCoin Wallet Stealer.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 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
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Revised Company_Handbook_pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Revised Company_Handbook_pdf.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:288
    • C:\Users\Admin\AppData\Local\Temp\kcorpxneaj.exe
      "C:\Users\Admin\AppData\Local\Temp\kcorpxneaj.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1176
      • C:\Users\Admin\AppData\Local\Temp\kcorpxneaj.exe
        "C:\Users\Admin\AppData\Local\Temp\kcorpxneaj.exe"
        3⤵
        • Loads dropped DLL
        • Accesses Microsoft Outlook profiles
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:1492

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        hdstsmp.f

        • Path C:\Users\Admin\AppData\Local\Temp\hdstsmp.f
        • Size 104KB
        • SHA256 438ff78eaf354d7680246e6a27b38e8912d87ee21f46b186a667ca8b042cc316
        • MD5 SHA1 SHA512 SSDEEP

        kcorpxneaj.exe

        • Path C:\Users\Admin\AppData\Local\Temp\kcorpxneaj.exe
        • Size 74KB
        • SHA256 9e108a6d9bcc68087f63ee3432cb167fc73b95eadb9453a6a78bef995f3a1216
        • MD5 SHA1 SHA512 SSDEEP

        kcorpxneaj.exe

        • Path C:\Users\Admin\AppData\Local\Temp\kcorpxneaj.exe
        • Size 74KB
        • SHA256 9e108a6d9bcc68087f63ee3432cb167fc73b95eadb9453a6a78bef995f3a1216
        • MD5 SHA1 SHA512 SSDEEP

        kcorpxneaj.exe

        • Path C:\Users\Admin\AppData\Local\Temp\kcorpxneaj.exe
        • Size 74KB
        • SHA256 9e108a6d9bcc68087f63ee3432cb167fc73b95eadb9453a6a78bef995f3a1216
        • MD5 SHA1 SHA512 SSDEEP

        nyvqmavgta.on

        • Path C:\Users\Admin\AppData\Local\Temp\nyvqmavgta.on
        • Size 4KB
        • SHA256 52d67b4c898edc6de62fe58ce82a8fe7b2e77258a8407fe8a51f6d454d6e4f98
        • MD5 SHA1 SHA512 SSDEEP

        kcorpxneaj.exe

        • Path \Users\Admin\AppData\Local\Temp\kcorpxneaj.exe
        • Size 74KB
        • SHA256 9e108a6d9bcc68087f63ee3432cb167fc73b95eadb9453a6a78bef995f3a1216
        • MD5 SHA1 SHA512 SSDEEP

        kcorpxneaj.exe

        • Path \Users\Admin\AppData\Local\Temp\kcorpxneaj.exe
        • Size 74KB
        • SHA256 9e108a6d9bcc68087f63ee3432cb167fc73b95eadb9453a6a78bef995f3a1216
        • MD5 SHA1 SHA512 SSDEEP

        memory/288-54-0x0000000075351000-0x0000000075353000-memory.dmp