Analysis

  • max time kernel
    293s
  • max time network
    255s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    10-10-2024 01:45

General

  • Target

    17e2d538e6f550f86d0013e14450a79ee1744e65a45cec4b9576923764e491b3.exe

  • Size

    6.6MB

  • MD5

    bb34d588afd92c96c0d1d0fa3e376289

  • SHA1

    a52211d169e4f8b9e0c13216fdb25265ef57db85

  • SHA256

    17e2d538e6f550f86d0013e14450a79ee1744e65a45cec4b9576923764e491b3

  • SHA512

    e1764638b0dabe2bce818e0064d57e281a06e68260986a7eae014944c7c87bbfaea69d5c4fe87f272f80f94753af7c49a4501777d22900cccae854ec391245c0

  • SSDEEP

    49152:9gx63FRrFb4lIx9Lqs3pcSZJF2z+TTF1LTvp1+WSsHkIdw2xyAHMEUs9N+qaKDTj:96ucG9FcSp2z+fF1JesHtdw

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 5 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 3 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 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\17e2d538e6f550f86d0013e14450a79ee1744e65a45cec4b9576923764e491b3.exe
    "C:\Users\Admin\AppData\Local\Temp\17e2d538e6f550f86d0013e14450a79ee1744e65a45cec4b9576923764e491b3.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:1360
    • C:\Users\Admin\AppData\Local\Temp\service123.exe
      "C:\Users\Admin\AppData\Local\Temp\service123.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:960
    • 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:4224
  • C:\Users\Admin\AppData\Local\Temp\service123.exe
    C:\Users\Admin\AppData\Local\Temp\/service123.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    PID:3644
  • C:\Users\Admin\AppData\Local\Temp\service123.exe
    C:\Users\Admin\AppData\Local\Temp\/service123.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    PID:5024
  • C:\Users\Admin\AppData\Local\Temp\service123.exe
    C:\Users\Admin\AppData\Local\Temp\/service123.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    PID:4640
  • C:\Users\Admin\AppData\Local\Temp\service123.exe
    C:\Users\Admin\AppData\Local\Temp\/service123.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    PID:4344

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/960-21-0x0000000000C90000-0x0000000000CA2000-memory.dmp

    Filesize

    72KB

  • memory/960-22-0x0000000074150000-0x0000000074284000-memory.dmp

    Filesize

    1.2MB

  • memory/1360-0-0x0000000069CC0000-0x000000006A377000-memory.dmp

    Filesize

    6.7MB

  • memory/1360-9-0x0000000000D10000-0x00000000013AC000-memory.dmp

    Filesize

    6.6MB

  • memory/1360-20-0x0000000000D10000-0x00000000013AC000-memory.dmp

    Filesize

    6.6MB

  • memory/3644-29-0x0000000000C90000-0x0000000000CA2000-memory.dmp

    Filesize

    72KB

  • memory/4344-74-0x0000000000C90000-0x0000000000CA2000-memory.dmp

    Filesize

    72KB

  • memory/4640-59-0x0000000000C90000-0x0000000000CA2000-memory.dmp

    Filesize

    72KB

  • memory/5024-44-0x0000000000C90000-0x0000000000CA2000-memory.dmp

    Filesize

    72KB