Analysis

  • max time kernel
    90s
  • max time network
    124s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    27-07-2021 15:11

General

  • Target

    HSBC_PAYMENT_COPY.pdf.exe

  • Size

    1.4MB

  • MD5

    08f2609e7f7daf0f78032f773a68b72c

  • SHA1

    f00e4c61cce15ee5f43c032d8d595aba65fbdc86

  • SHA256

    0ed8f93b98f9cfff89559df9e0a8d360cab3dde1abfa2992216b4a98c5ca1253

  • SHA512

    8c1ba503d2956ad0c60b11547908b81e601a3bfb2c75ae73c03718bd883ff94451b0697f915049614470d59388d161c02893ad90b48466f77fc154a20215da74

Malware Config

Signatures

  • RevcodeRat, WebMonitorRat

    WebMonitor is a remote access tool that you can use from any browser access to control, and monitor your phones, or PCs.

  • WebMonitor Payload 3 IoCs
  • CustAttr .NET packer 1 IoCs

    Detects CustAttr .NET packer in memory.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\HSBC_PAYMENT_COPY.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\HSBC_PAYMENT_COPY.pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3368
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\HSBC_PAYMENT_COPY.pdf.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3376
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\WTddvQz.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1264
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WTddvQz" /XML "C:\Users\Admin\AppData\Local\Temp\tmp101E.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2212
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2744
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\hlaVAn6udZ4CwxyY.bat" "
        3⤵
          PID:3856
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\WTddvQz.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2584

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1264-138-0x0000000006A70000-0x0000000006A71000-memory.dmp

      Filesize

      4KB

    • memory/1264-271-0x0000000006A73000-0x0000000006A74000-memory.dmp

      Filesize

      4KB

    • memory/1264-166-0x0000000008150000-0x0000000008151000-memory.dmp

      Filesize

      4KB

    • memory/1264-188-0x00000000090E0000-0x0000000009113000-memory.dmp

      Filesize

      204KB

    • memory/1264-214-0x000000007E1E0000-0x000000007E1E1000-memory.dmp

      Filesize

      4KB

    • memory/1264-140-0x0000000006A72000-0x0000000006A73000-memory.dmp

      Filesize

      4KB

    • memory/1264-217-0x0000000009220000-0x0000000009221000-memory.dmp

      Filesize

      4KB

    • memory/2584-160-0x0000000007340000-0x0000000007341000-memory.dmp

      Filesize

      4KB

    • memory/2584-263-0x000000007F680000-0x000000007F681000-memory.dmp

      Filesize

      4KB

    • memory/2584-275-0x0000000007343000-0x0000000007344000-memory.dmp

      Filesize

      4KB

    • memory/2584-161-0x0000000007342000-0x0000000007343000-memory.dmp

      Filesize

      4KB

    • memory/2744-141-0x0000000000400000-0x00000000004F3000-memory.dmp

      Filesize

      972KB

    • memory/2744-159-0x0000000000400000-0x00000000004F3000-memory.dmp

      Filesize

      972KB

    • memory/3368-121-0x0000000004D40000-0x0000000004D4B000-memory.dmp

      Filesize

      44KB

    • memory/3368-114-0x0000000000970000-0x0000000000971000-memory.dmp

      Filesize

      4KB

    • memory/3368-116-0x00000000057A0000-0x00000000057A1000-memory.dmp

      Filesize

      4KB

    • memory/3368-117-0x0000000005340000-0x0000000005341000-memory.dmp

      Filesize

      4KB

    • memory/3368-118-0x00000000053E0000-0x00000000053E1000-memory.dmp

      Filesize

      4KB

    • memory/3368-119-0x0000000005310000-0x0000000005311000-memory.dmp

      Filesize

      4KB

    • memory/3368-120-0x00000000052A0000-0x000000000579E000-memory.dmp

      Filesize

      5.0MB

    • memory/3368-123-0x00000000090D0000-0x00000000091C5000-memory.dmp

      Filesize

      980KB

    • memory/3368-122-0x0000000008EF0000-0x0000000009015000-memory.dmp

      Filesize

      1.1MB

    • memory/3376-143-0x0000000006C10000-0x0000000006C11000-memory.dmp

      Filesize

      4KB

    • memory/3376-267-0x0000000000F33000-0x0000000000F34000-memory.dmp

      Filesize

      4KB

    • memory/3376-201-0x0000000008A40000-0x0000000008A41000-memory.dmp

      Filesize

      4KB

    • memory/3376-162-0x00000000073B0000-0x00000000073B1000-memory.dmp

      Filesize

      4KB

    • memory/3376-152-0x0000000007530000-0x0000000007531000-memory.dmp

      Filesize

      4KB

    • memory/3376-216-0x000000007EA60000-0x000000007EA61000-memory.dmp

      Filesize

      4KB

    • memory/3376-147-0x0000000006CF0000-0x0000000006CF1000-memory.dmp

      Filesize

      4KB

    • memory/3376-164-0x0000000007D00000-0x0000000007D01000-memory.dmp

      Filesize

      4KB

    • memory/3376-149-0x00000000074C0000-0x00000000074C1000-memory.dmp

      Filesize

      4KB

    • memory/3376-137-0x0000000000F32000-0x0000000000F33000-memory.dmp

      Filesize

      4KB

    • memory/3376-136-0x0000000000F30000-0x0000000000F31000-memory.dmp

      Filesize

      4KB

    • memory/3376-132-0x0000000006D60000-0x0000000006D61000-memory.dmp

      Filesize

      4KB

    • memory/3376-129-0x0000000000D20000-0x0000000000D21000-memory.dmp

      Filesize

      4KB