Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    31-10-2024 11:18

General

  • Target

    6723653391970.vbs

  • Size

    2KB

  • MD5

    8d36763727659594c5481673a560d80c

  • SHA1

    227412dd9a84be814117efa39544dfb173cc3b73

  • SHA256

    6b16c2a1897f02f6f05f97ffcadd357071dc660708312b5c71341f9bb4bc285a

  • SHA512

    69112847ed21383ce014a80af448e731b92199637b9511bcc509026cefae1dbc44a05a7849e865b72a8ca48a5e6c527d7236241b55debd7c9a27306c967f0c1e

Malware Config

Signatures

  • LatentBot

    Modular trojan written in Delphi which has been in-the-wild since 2013.

  • Latentbot family
  • Blocklisted process makes network request 2 IoCs
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Gathers network information 2 TTPs 1 IoCs

    Uses commandline utility to view network configuration.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 17 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 32 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.

  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\6723653391970.vbs"
    1⤵
    • Blocklisted process makes network request
    • Suspicious use of WriteProcessMemory
    PID:2964
    • C:\_672365339188b\BLOCKBUSTER.exe
      "C:\_672365339188b\BLOCKBUSTER.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2524
      • C:\Windows\SysWOW64\SCHTASKS.exe
        SCHTASKS /Query /TN "BLOCKBUSTER"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2244
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C SCHTASKS /Create /F /RL HIGHEST /TN "BLOCKBUSTER" /TR "C:\_672365339188b\BLOCKBUSTER.exe" /SC ONLOGON /DELAY 0001:00
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1400
        • C:\Windows\SysWOW64\schtasks.exe
          SCHTASKS /Create /F /RL HIGHEST /TN "BLOCKBUSTER" /TR "C:\_672365339188b\BLOCKBUSTER.exe" /SC ONLOGON /DELAY 0001:00
          4⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:2040
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C netsh advfirewall firewall add rule name="BLOCKBUSTER" dir=in action=allow program="C:\_672365339188b\BLOCKBUSTER.exe" enable=yes profile=any
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1200
        • C:\Windows\SysWOW64\netsh.exe
          netsh advfirewall firewall add rule name="BLOCKBUSTER" dir=in action=allow program="C:\_672365339188b\BLOCKBUSTER.exe" enable=yes profile=any
          4⤵
          • Modifies Windows Firewall
          • Event Triggered Execution: Netsh Helper DLL
          • System Location Discovery: System Language Discovery
          PID:1768
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c ipconfig /flushdns
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2208
        • C:\Windows\SysWOW64\ipconfig.exe
          ipconfig /flushdns
          4⤵
          • System Location Discovery: System Language Discovery
          • Gathers network information
          PID:888

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\_672365339188b\BLOCKBUSTER.exe

    Filesize

    9.1MB

    MD5

    74d3f521a38b23cd25ed61e4f8d99f16

    SHA1

    c4cd0e519aeca41e94665f2c5ea60a322deb3680

    SHA256

    1d822b3faabb8f65fc30076d32a95757a2c369ccb64ae54572e9f562280ae845

    SHA512

    ec1c8b0eb895fd8947cad6126abc5bca3a712e42475228b9dcb3496098e720abb83d4cba4621edbd8d3ad7f306a5f57ced9c2c98fe2c2d0c8ebbbf99d7faf0f1

  • C:\_67236~1\DOWNLO~1.ZIP

    Filesize

    38.3MB

    MD5

    22751b6dd47c521bc3f7a32fd7caf288

    SHA1

    e4bade70beab8bce6214cd151bba7e73022e76a9

    SHA256

    ebcdffae014a22e4294e3e82e0209486a25ef5299142f4768fa3f335f0627dce

    SHA512

    3a588cc4559002c7996168058659d545c26e3144eb237adbed38ac7f4fa8509c8bfa89c8db4f277abe94f89526b3d9763c0423a3995b85fb1f218111a6c3358c

  • \Users\Admin\AppData\Local\Temp\hcx.dll

    Filesize

    398KB

    MD5

    287c055b14d6ab41b021486e4fef3708

    SHA1

    d705e8d163d60b39e0265e30a56966c58323bef3

    SHA256

    3976547348f3cd6887ad0bc6a1f1f54010b58ca5cc1a77a937e882def475ab9e

    SHA512

    fbc627c5d06ff4440d67f7fe97ad187bf6b6472ce9f0584e7ad3d1a391e7006db97d81ac6800a80bd8304172959f01a3bc72c55773d421f2332148731a71f0b1

  • \_672365339188b\unrar.dll

    Filesize

    174KB

    MD5

    4289541be75e95bcfff04857f7144d87

    SHA1

    5ec8085e30d75ec18b8b1e193b3d5aa1648b0d2e

    SHA256

    2631fcdf920610557736549e27939b9c760743a2cddec0b2c2254cfa40003fb0

    SHA512

    3137a7790de74a6413aca6c80fd57288bcc30a7df3a416f3c6e8666041cd47a9609136c91405eee23224c4ae67c9aebbba4dd9c4e5786b09b83318755b4a55fd

  • memory/2524-70-0x0000000005E30000-0x000000000AB58000-memory.dmp

    Filesize

    77.2MB

  • memory/2524-77-0x0000000000310000-0x0000000000311000-memory.dmp

    Filesize

    4KB

  • memory/2524-75-0x0000000000400000-0x0000000000D36000-memory.dmp

    Filesize

    9.2MB

  • memory/2524-76-0x0000000005E30000-0x000000000AB58000-memory.dmp

    Filesize

    77.2MB

  • memory/2524-64-0x0000000000310000-0x0000000000311000-memory.dmp

    Filesize

    4KB

  • memory/2524-81-0x000000000C560000-0x000000000C561000-memory.dmp

    Filesize

    4KB

  • memory/2524-79-0x000000000C3E0000-0x000000000C448000-memory.dmp

    Filesize

    416KB

  • memory/2524-87-0x0000000000400000-0x0000000000D36000-memory.dmp

    Filesize

    9.2MB

  • memory/2524-88-0x0000000005E30000-0x000000000AB58000-memory.dmp

    Filesize

    77.2MB

  • memory/2524-98-0x0000000000400000-0x0000000000D36000-memory.dmp

    Filesize

    9.2MB

  • memory/2524-109-0x0000000005E30000-0x000000000AB58000-memory.dmp

    Filesize

    77.2MB

  • memory/2524-111-0x0000000005E30000-0x000000000AB58000-memory.dmp

    Filesize

    77.2MB