Analysis

  • max time kernel
    145s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/10/2023, 23:16

General

  • Target
    inquiry[2023.10.11_08-07].vbs
  • Size 1012KB
  • Sample231011-28586abc61
  • SHA256 51215d7d543fa28d5327e31002069f37a17cbed4b539bbf437d3a56cf906d3db
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • icedid

Campaign
  • 361893872

Signatures

  • IcedID, BokBot

    IcedID is a banking trojan capable of stealing credentials.

  • Blocklisted process makes network request 5 IoCs
  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Loads dropped DLL 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Discovers systems in the same network 1 TTPs 1 IoCs
  • Gathers network information 2 TTPs 1 IoCs

    Uses commandline utility to view network configuration.

  • Gathers system information 1 TTPs 1 IoCs

    Runs systeminfo.exe.

  • Modifies registry class 2 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 42 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\inquiry[2023.10.11_08-07].vbs"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3432
    • C:\Windows\System32\regsvr32.exe
      "C:\Windows\System32\regsvr32.exe" C://windows/Temp/0317-1.dll
      2⤵
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3092
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /C rundll32.exe C:\Users\Admin\AppData\Roaming\Admin\Admin\nutaaccp32.dll,#1
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4328
        • C:\Windows\system32\rundll32.exe
          rundll32.exe C:\Users\Admin\AppData\Roaming\Admin\Admin\nutaaccp32.dll,#1
          4⤵
          • Blocklisted process makes network request
          • Loads dropped DLL
          • Modifies registry class
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:4752
          • C:\Windows\system32\cmd.exe
            cmd.exe /c chcp >&2
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:4560
            • C:\Windows\system32\chcp.com
              chcp
              6⤵
                PID:2736
            • C:\Windows\System32\Wbem\WMIC.exe
              WMIC /Node:localhost /Namespace:\\root\SecurityCenter2 Path AntiVirusProduct Get * /Format:List
              5⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:2092
            • C:\Windows\system32\ipconfig.exe
              ipconfig /all
              5⤵
              • Gathers network information
              PID:3552
            • C:\Windows\system32\systeminfo.exe
              systeminfo
              5⤵
              • Gathers system information
              PID:2528
            • C:\Windows\system32\net.exe
              net config workstation
              5⤵
                PID:1116
                • C:\Windows\system32\net1.exe
                  C:\Windows\system32\net1 config workstation
                  6⤵
                    PID:920
                • C:\Windows\system32\nltest.exe
                  nltest /domain_trusts
                  5⤵
                    PID:4260
                  • C:\Windows\system32\net.exe
                    net view /all /domain
                    5⤵
                    • Discovers systems in the same network
                    PID:3236
                  • C:\Windows\system32\nltest.exe
                    nltest /domain_trusts /all_trusts
                    5⤵
                      PID:2912

            Network

                  MITRE ATT&CK Enterprise v15

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  nutaaccp32.dll

                  • Path C:\Users\Admin\AppData\Roaming\Admin\Admin\nutaaccp32.dll
                  • Size 583KB
                  • SHA256 5d5bc4f497406b59369901b9a79e1e9d1e0a690c0b2e803f4fbfcb391bcfeef1
                  • MD5 SHA1 SHA512 SSDEEP

                  nutaaccp32.dll

                  • Path C:\Users\Admin\AppData\Roaming\Admin\Admin\nutaaccp32.dll
                  • Size 583KB
                  • SHA256 5d5bc4f497406b59369901b9a79e1e9d1e0a690c0b2e803f4fbfcb391bcfeef1
                  • MD5 SHA1 SHA512 SSDEEP

                  0317-1.dll

                  • Path C:\Windows\Temp\0317-1.dll
                  • Size 328KB
                  • SHA256 5e3bb62b44636f502e387d4c00bd5a7bc1d040332028238ccd812f73e6d859ca
                  • MD5 SHA1 SHA512 SSDEEP

                  0317-1.dll

                  • Path C:\windows\Temp\0317-1.dll
                  • Size 328KB
                  • SHA256 5e3bb62b44636f502e387d4c00bd5a7bc1d040332028238ccd812f73e6d859ca
                  • MD5 SHA1 SHA512 SSDEEP

                  memory/3092-4-0x0000000000610000-0x000000000061D000-memory.dmp

                  memory/3092-8-0x0000000000610000-0x000000000061D000-memory.dmp

                  memory/4752-18-0x000001CC4EBF0000-0x000001CC4EC3C000-memory.dmp

                  memory/4752-13-0x000001CC4EBF0000-0x000001CC4EC3C000-memory.dmp

                  memory/4752-12-0x000001CC4EB50000-0x000001CC4EB9F000-memory.dmp

                  memory/4752-19-0x000001CC4EBF0000-0x000001CC4EC3C000-memory.dmp

                  memory/4752-20-0x000001CC4EB50000-0x000001CC4EB9F000-memory.dmp

                  memory/4752-25-0x000001CC4EBF0000-0x000001CC4EC3C000-memory.dmp

                  memory/4752-24-0x000001CC4EBF0000-0x000001CC4EC3C000-memory.dmp

                  memory/4752-23-0x000001CC4EBF0000-0x000001CC4EC3C000-memory.dmp

                  memory/4752-33-0x000001CC4EBF0000-0x000001CC4EC3C000-memory.dmp

                  memory/4752-22-0x000001CC4EBF0000-0x000001CC4EC3C000-memory.dmp

                  memory/4752-36-0x000001CC4EBF0000-0x000001CC4EC3C000-memory.dmp