Analysis

  • max time kernel
    149s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    21-10-2024 01:21

General

  • Target

    6798b30915ded323d8ca7f310a7d518cfa5de39bcc20ae984c9a3b65ccbeb941.exe

  • Size

    6.9MB

  • MD5

    0ddaf55ff5b6daf269845dee74b4f24b

  • SHA1

    9b9363db8deadeee5803ce1751230fb56d776501

  • SHA256

    6798b30915ded323d8ca7f310a7d518cfa5de39bcc20ae984c9a3b65ccbeb941

  • SHA512

    262dab88704c4aff25f7b802759699ad1c712c227ec8afad5354ed2f37ef8a5510edaf692eb39e95f9dac695990176ad78e1720044343a855069b042dd09d763

  • SSDEEP

    49152:n79YagFmdXM5AMGGLNFAm8jUXIlKcupRGCDZXRoYQBRy+ueXH3HmZpBm2nfP/8sP:npBxMZLNCm8jHlK5DZX

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 2 IoCs
  • Loads dropped DLL 4 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 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6798b30915ded323d8ca7f310a7d518cfa5de39bcc20ae984c9a3b65ccbeb941.exe
    "C:\Users\Admin\AppData\Local\Temp\6798b30915ded323d8ca7f310a7d518cfa5de39bcc20ae984c9a3b65ccbeb941.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:292
    • C:\Users\Admin\AppData\Local\Temp\service123.exe
      "C:\Users\Admin\AppData\Local\Temp\service123.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:2640
    • 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:2748
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {1A7E69B3-151D-4435-9AF1-81B171762160} S-1-5-21-3533259084-2542256011-65585152-1000:XPAJOTIY\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1684
    • C:\Users\Admin\AppData\Local\Temp\service123.exe
      C:\Users\Admin\AppData\Local\Temp\/service123.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:1924

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/292-0-0x0000000069CC0000-0x000000006A37B000-memory.dmp

    Filesize

    6.7MB

  • memory/292-9-0x0000000001230000-0x0000000001922000-memory.dmp

    Filesize

    6.9MB

  • memory/292-24-0x0000000001230000-0x0000000001922000-memory.dmp

    Filesize

    6.9MB

  • memory/1924-36-0x0000000000D30000-0x0000000000D42000-memory.dmp

    Filesize

    72KB

  • memory/2640-27-0x0000000000D30000-0x0000000000D42000-memory.dmp

    Filesize

    72KB

  • memory/2640-28-0x0000000074B50000-0x0000000074C84000-memory.dmp

    Filesize

    1.2MB