Analysis

  • max time kernel
    140s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    20/09/2024, 10:45

General

  • Target

    ee95ad8cb6ac125920c1c2f190838ee5de8f8d0e24110d27f69d46160494d901.exe

  • Size

    6.3MB

  • MD5

    1ead5b2146af05fc929e143c5092d74c

  • SHA1

    468e9ca82ef61f7fb5089fd2f5c32f29932534e7

  • SHA256

    ee95ad8cb6ac125920c1c2f190838ee5de8f8d0e24110d27f69d46160494d901

  • SHA512

    549e611261b285f9181a8d2a283f951fda183e04ba27848a3a3fcfc832c49dadc17c72f3a74dfbb41069e2392714230750317b369f559441c6ad8686243c0a51

  • SSDEEP

    98304:Kb7ZLwfkFe0AqFBky5Bp0jPeGq7pmgO8+:KZqkPAcBnqPBq7c58+

Malware Config

Extracted

Family

cryptbot

C2

analforeverlovyu.top

elevenvf11ht.top

Attributes
  • url_path

    /v1/upload.php

Signatures

  • CryptBot

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

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 5 IoCs
  • Reads user/profile data of web browsers 2 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\ee95ad8cb6ac125920c1c2f190838ee5de8f8d0e24110d27f69d46160494d901.exe
    "C:\Users\Admin\AppData\Local\Temp\ee95ad8cb6ac125920c1c2f190838ee5de8f8d0e24110d27f69d46160494d901.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:2036
    • C:\Users\Admin\AppData\Local\Temp\service123.exe
      "C:\Users\Admin\AppData\Local\Temp\service123.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:1724
    • 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:2376
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {E1406F82-DE23-448B-BA3C-560D013384E9} S-1-5-21-3063565911-2056067323-3330884624-1000:KHBTHJFA\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2680
    • C:\Users\Admin\AppData\Local\Temp\service123.exe
      C:\Users\Admin\AppData\Local\Temp\/service123.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:2112
    • C:\Users\Admin\AppData\Local\Temp\service123.exe
      C:\Users\Admin\AppData\Local\Temp\/service123.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:2228

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1724-19-0x0000000000A30000-0x0000000000A41000-memory.dmp

    Filesize

    68KB

  • memory/1724-20-0x0000000074D90000-0x0000000074ECC000-memory.dmp

    Filesize

    1.2MB

  • memory/2036-0-0x0000000000400000-0x0000000001069000-memory.dmp

    Filesize

    12.4MB

  • memory/2036-1-0x0000000000400000-0x0000000001069000-memory.dmp

    Filesize

    12.4MB

  • memory/2036-13-0x0000000000400000-0x0000000001069000-memory.dmp

    Filesize

    12.4MB

  • memory/2112-18-0x0000000000A30000-0x0000000000A41000-memory.dmp

    Filesize

    68KB

  • memory/2228-33-0x0000000000A30000-0x0000000000A41000-memory.dmp

    Filesize

    68KB