Analysis

  • max time kernel
    90s
  • max time network
    116s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    27-07-2021 16:40

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:3148
    • 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:8
    • 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:4080
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WTddvQz" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD94E.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3976
    • 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:3508
    • 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:3924
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\coONfzHdpSUNnxCq.bat" "
        3⤵
          PID:1060

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/8-148-0x0000000006C52000-0x0000000006C53000-memory.dmp

      Filesize

      4KB

    • memory/8-207-0x000000007E9C0000-0x000000007E9C1000-memory.dmp

      Filesize

      4KB

    • memory/8-145-0x0000000006C50000-0x0000000006C51000-memory.dmp

      Filesize

      4KB

    • memory/8-255-0x0000000006C53000-0x0000000006C54000-memory.dmp

      Filesize

      4KB

    • memory/8-129-0x0000000006B40000-0x0000000006B41000-memory.dmp

      Filesize

      4KB

    • memory/8-133-0x0000000007290000-0x0000000007291000-memory.dmp

      Filesize

      4KB

    • memory/3148-123-0x0000000009220000-0x0000000009315000-memory.dmp

      Filesize

      980KB

    • memory/3148-120-0x0000000005400000-0x00000000058FE000-memory.dmp

      Filesize

      5.0MB

    • memory/3148-116-0x0000000005900000-0x0000000005901000-memory.dmp

      Filesize

      4KB

    • memory/3148-117-0x00000000054A0000-0x00000000054A1000-memory.dmp

      Filesize

      4KB

    • memory/3148-118-0x0000000005540000-0x0000000005541000-memory.dmp

      Filesize

      4KB

    • memory/3148-122-0x0000000009010000-0x0000000009135000-memory.dmp

      Filesize

      1.1MB

    • memory/3148-121-0x0000000004EC0000-0x0000000004ECB000-memory.dmp

      Filesize

      44KB

    • memory/3148-119-0x0000000005460000-0x0000000005461000-memory.dmp

      Filesize

      4KB

    • memory/3148-114-0x0000000000AC0000-0x0000000000AC1000-memory.dmp

      Filesize

      4KB

    • memory/3508-152-0x0000000004902000-0x0000000004903000-memory.dmp

      Filesize

      4KB

    • memory/3508-157-0x0000000004900000-0x0000000004901000-memory.dmp

      Filesize

      4KB

    • memory/3508-264-0x0000000004903000-0x0000000004904000-memory.dmp

      Filesize

      4KB

    • memory/3508-164-0x0000000008380000-0x0000000008381000-memory.dmp

      Filesize

      4KB

    • memory/3508-210-0x000000007F690000-0x000000007F691000-memory.dmp

      Filesize

      4KB

    • memory/3924-156-0x0000000000400000-0x00000000004F3000-memory.dmp

      Filesize

      972KB

    • memory/3924-137-0x0000000000400000-0x00000000004F3000-memory.dmp

      Filesize

      972KB

    • memory/4080-151-0x0000000008130000-0x0000000008131000-memory.dmp

      Filesize

      4KB

    • memory/4080-203-0x000000007EDF0000-0x000000007EDF1000-memory.dmp

      Filesize

      4KB

    • memory/4080-190-0x0000000009680000-0x00000000096B3000-memory.dmp

      Filesize

      204KB

    • memory/4080-211-0x0000000009660000-0x0000000009661000-memory.dmp

      Filesize

      4KB

    • memory/4080-168-0x00000000088D0000-0x00000000088D1000-memory.dmp

      Filesize

      4KB

    • memory/4080-259-0x00000000071F3000-0x00000000071F4000-memory.dmp

      Filesize

      4KB

    • memory/4080-162-0x0000000008040000-0x0000000008041000-memory.dmp

      Filesize

      4KB

    • memory/4080-155-0x00000000071F2000-0x00000000071F3000-memory.dmp

      Filesize

      4KB

    • memory/4080-153-0x00000000071F0000-0x00000000071F1000-memory.dmp

      Filesize

      4KB

    • memory/4080-147-0x0000000007F70000-0x0000000007F71000-memory.dmp

      Filesize

      4KB

    • memory/4080-143-0x0000000007F00000-0x0000000007F01000-memory.dmp

      Filesize

      4KB

    • memory/4080-139-0x0000000007E60000-0x0000000007E61000-memory.dmp

      Filesize

      4KB