Analysis

  • max time kernel
    142s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    25-09-2024 01:24

General

  • Target

    2802d71a1e4a703ffbef8ce02a5f844731ef6644a4d5894acc593cbdb90a40a4.exe

  • Size

    6.4MB

  • MD5

    78f9470c1fc9e230702bfc8e1668a8c8

  • SHA1

    b0a3cc1c084d11c8f5004a30be115ecb9cdccc28

  • SHA256

    2802d71a1e4a703ffbef8ce02a5f844731ef6644a4d5894acc593cbdb90a40a4

  • SHA512

    eccf5eeb26e80a76bbcfcb9d4deced821f5ecb3ee03c39754936e84062bb9fcea97d2019a847e48031a970d49cdff1a9c54890425624acd50c3a729a51984092

  • SSDEEP

    49152:Mw7BZNWgS9U6qtqDYXnE6dkgNX1KQStaXIAZyC9uCETFHx+RERqbDmr6gKQHuRDY:MIZIgs006eghIQSta0CcRqfobPeG

Malware Config

Extracted

Family

cryptbot

C2

thirtvf13vt.top

analforeverlovyu.top

Attributes
  • url_path

    /v1/upload.php

Signatures

  • CryptBot

    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\2802d71a1e4a703ffbef8ce02a5f844731ef6644a4d5894acc593cbdb90a40a4.exe
    "C:\Users\Admin\AppData\Local\Temp\2802d71a1e4a703ffbef8ce02a5f844731ef6644a4d5894acc593cbdb90a40a4.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:2308
    • C:\Users\Admin\AppData\Local\Temp\service123.exe
      "C:\Users\Admin\AppData\Local\Temp\service123.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:2816
    • 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:2752
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {7CFF6059-5275-45D6-B0F7-9ED561F47440} S-1-5-21-3533259084-2542256011-65585152-1000:XPAJOTIY\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1272
    • C:\Users\Admin\AppData\Local\Temp\service123.exe
      C:\Users\Admin\AppData\Local\Temp\/service123.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:1868
    • C:\Users\Admin\AppData\Local\Temp\service123.exe
      C:\Users\Admin\AppData\Local\Temp\/service123.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:2288

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1868-27-0x0000000000870000-0x0000000000881000-memory.dmp

    Filesize

    68KB

  • memory/2288-42-0x0000000000870000-0x0000000000881000-memory.dmp

    Filesize

    68KB

  • memory/2308-0-0x0000000000400000-0x000000000106D000-memory.dmp

    Filesize

    12.4MB

  • memory/2308-1-0x0000000000400000-0x000000000106D000-memory.dmp

    Filesize

    12.4MB

  • memory/2308-14-0x0000000000400000-0x000000000106D000-memory.dmp

    Filesize

    12.4MB

  • memory/2816-16-0x0000000000870000-0x0000000000881000-memory.dmp

    Filesize

    68KB

  • memory/2816-17-0x0000000074DB0000-0x0000000074EEC000-memory.dmp

    Filesize

    1.2MB