Analysis

  • max time kernel
    133s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/10/2022, 17:39

General

  • Target
    REMITTANCE SLIP ADVISE_pdf.exe
  • Size 209KB
  • Sample221019-v8ac6aacfp
  • SHA256 5f4e853dec8fb25a1bf395fadd55a4a90ac7754e1339d17d3c602bb3c66dc6af
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Lokibot

    Lokibot is a Password and CryptoCoin Wallet Stealer.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 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.

  • Program crash 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\REMITTANCE SLIP ADVISE_pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\REMITTANCE SLIP ADVISE_pdf.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4148
    • C:\Users\Admin\AppData\Local\Temp\hcpyulw.exe
      "C:\Users\Admin\AppData\Local\Temp\hcpyulw.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:4764
      • C:\Users\Admin\AppData\Local\Temp\hcpyulw.exe
        "C:\Users\Admin\AppData\Local\Temp\hcpyulw.exe"
        3⤵
        • Executes dropped EXE
        PID:368
      • C:\Users\Admin\AppData\Local\Temp\hcpyulw.exe
        "C:\Users\Admin\AppData\Local\Temp\hcpyulw.exe"
        3⤵
        • Loads dropped DLL
        • Accesses Microsoft Outlook profiles
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:3632
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4764 -s 660
        3⤵
        • Program crash
        PID:3492
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 4764 -ip 4764
    1⤵
      PID:1184

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          hcpyulw.exe

          • Path C:\Users\Admin\AppData\Local\Temp\hcpyulw.exe
          • Size 133KB
          • SHA256 38064fdd6148729db554335f9fe660e6da067b17c5a4e6acb6defb102ac6e606
          • MD5 SHA1 SHA512 SSDEEP

          hcpyulw.exe

          • Path C:\Users\Admin\AppData\Local\Temp\hcpyulw.exe
          • Size 133KB
          • SHA256 38064fdd6148729db554335f9fe660e6da067b17c5a4e6acb6defb102ac6e606
          • MD5 SHA1 SHA512 SSDEEP

          hcpyulw.exe

          • Path C:\Users\Admin\AppData\Local\Temp\hcpyulw.exe
          • Size 133KB
          • SHA256 38064fdd6148729db554335f9fe660e6da067b17c5a4e6acb6defb102ac6e606
          • MD5 SHA1 SHA512 SSDEEP

          hcpyulw.exe

          • Path C:\Users\Admin\AppData\Local\Temp\hcpyulw.exe
          • Size 133KB
          • SHA256 38064fdd6148729db554335f9fe660e6da067b17c5a4e6acb6defb102ac6e606
          • MD5 SHA1 SHA512 SSDEEP

          ndfpbbxx.i

          • Path C:\Users\Admin\AppData\Local\Temp\ndfpbbxx.i
          • Size 104KB
          • SHA256 59d386110a90dd8fc51c3a602c5624b2456b6f2fdf371fac8540c2dba62f4d23
          • MD5 SHA1 SHA512 SSDEEP

          uwngs.f

          • Path C:\Users\Admin\AppData\Local\Temp\uwngs.f
          • Size 4KB
          • SHA256 fd5997ddb1a6b2bea0ddde2b531a5e1c76f8300c475ee2cbe95c89e576fb2161
          • MD5 SHA1 SHA512 SSDEEP