Analysis

  • max time kernel
    141s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    15-10-2024 01:10

General

  • Target

    20061bce629f4e86cb50cb6464e28b3ddd2d0a31be41a5962e2cf439386ac730.exe

  • Size

    6.4MB

  • MD5

    e1c02bdd27200a2881dd2883ecfc9844

  • SHA1

    a3698b7ce84b65c7e851ab34e2e13e712f4c2c48

  • SHA256

    20061bce629f4e86cb50cb6464e28b3ddd2d0a31be41a5962e2cf439386ac730

  • SHA512

    9334aa6f537957e5fc66734fad25c1eebec63d014fa1d0fa4ed441b94a346b0773ad3a08b78d9072e869495b31e9693a8f5f808f8808511a39ddea9958529da6

  • SSDEEP

    49152:uQL/LrSL9zmV9/3ZskRWT3PQYSUrxr1KbhzLWSYvIfPMcFFVliyCWrbQoYQBRy+D:u1ZmF63PQYSixJKZ4v

Malware Config

Signatures

  • CryptBot

    CryptBot is a C++ stealer distributed widely in bundle with other software.

  • Detects CryptBot payload 1 IoCs

    CryptBot is a C++ stealer distributed widely in bundle with other software.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 5 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

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

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

  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\20061bce629f4e86cb50cb6464e28b3ddd2d0a31be41a5962e2cf439386ac730.exe
    "C:\Users\Admin\AppData\Local\Temp\20061bce629f4e86cb50cb6464e28b3ddd2d0a31be41a5962e2cf439386ac730.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:2028
    • C:\Users\Admin\AppData\Local\Temp\service123.exe
      "C:\Users\Admin\AppData\Local\Temp\service123.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:2604
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /tn "ServiceData4" /tr "C:\Users\Admin\AppData\Local\Temp\/service123.exe" /st 00:01 /du 9800:59 /sc once /ri 1 /f
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2576
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {7088EB0C-5B11-4F11-8AF9-33A2DA9AE7CD} S-1-5-21-3551809350-4263495960-1443967649-1000:NNYJZAHP\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2536
    • C:\Users\Admin\AppData\Local\Temp\service123.exe
      C:\Users\Admin\AppData\Local\Temp\/service123.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:2164
    • C:\Users\Admin\AppData\Local\Temp\service123.exe
      C:\Users\Admin\AppData\Local\Temp\/service123.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:2332

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2028-0-0x0000000069CC0000-0x000000006A377000-memory.dmp

    Filesize

    6.7MB

  • memory/2028-9-0x0000000000D30000-0x00000000013A6000-memory.dmp

    Filesize

    6.5MB

  • memory/2028-23-0x0000000000D30000-0x00000000013A6000-memory.dmp

    Filesize

    6.5MB

  • memory/2164-32-0x00000000008B0000-0x00000000008C2000-memory.dmp

    Filesize

    72KB

  • memory/2332-47-0x00000000008B0000-0x00000000008C2000-memory.dmp

    Filesize

    72KB

  • memory/2604-25-0x00000000008B0000-0x00000000008C2000-memory.dmp

    Filesize

    72KB

  • memory/2604-26-0x0000000075320000-0x0000000075454000-memory.dmp

    Filesize

    1.2MB