Analysis

  • max time kernel
    141s
  • max time network
    134s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-05-2024 07:56

General

  • Target

    283a84dafeb6ce11cce61dcb92acc91f1d284aea06bf4b71024cfd1ad4f9ff46.exe

  • Size

    372KB

  • MD5

    0548c8fb97a0beb199aafecc2be8acb4

  • SHA1

    d694cdfe61f922c4433d0549e5ff31e1c490bcab

  • SHA256

    283a84dafeb6ce11cce61dcb92acc91f1d284aea06bf4b71024cfd1ad4f9ff46

  • SHA512

    aa36040a2f815f2eeb65041d6a3cd3acd7c62d17f1432ae87269fbdf6162b9d72f695d86af1aba8d1223080b4b8d7deea25b423d73e5b4219bcd8111ce029cbe

  • SSDEEP

    6144:oetK0xCObQ2fKaCJVeUg8gSX9THaaQJdHuU+7SH5t6VYTZfm/:oetKRixyaCWDORJQJdHuU+7SZtNZ+/

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.150

Attributes
  • url_path

    /c698e1bc8a2f5e6d.php

Signatures

  • Detect ZGRat V1 3 IoCs
  • Stealc

    Stealc is an infostealer written in C++.

  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • 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).

  • Program crash 2 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 26 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 7 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\283a84dafeb6ce11cce61dcb92acc91f1d284aea06bf4b71024cfd1ad4f9ff46.exe
    "C:\Users\Admin\AppData\Local\Temp\283a84dafeb6ce11cce61dcb92acc91f1d284aea06bf4b71024cfd1ad4f9ff46.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2408
    • C:\Users\Admin\AppData\Local\Temp\u1uw.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u1uw.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:1912
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1912 -s 2000
        3⤵
        • Program crash
        PID:3300
    • C:\Users\Admin\AppData\Local\Temp\u1uw.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u1uw.1.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:3640
      • C:\Users\Admin\AppData\Local\Temp\iolo\dm\SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
        "C:\Users\Admin\AppData\Local\Temp\iolo\dm\SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe" /eieci=11A12794-499E-4FA0-A281-A9A9AA8B2685 /eipi=5488CB36-BE62-4606-B07B-2EE938868BD1
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2060
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2408 -s 1008
      2⤵
      • Program crash
      PID:4396
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2408 -ip 2408
    1⤵
      PID:3712
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1912 -ip 1912
      1⤵
        PID:4440

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\Are.docx

        Filesize

        11KB

        MD5

        a33e5b189842c5867f46566bdbf7a095

        SHA1

        e1c06359f6a76da90d19e8fd95e79c832edb3196

        SHA256

        5abf8e3d1f78de7b09d7f6fb87f9e80e60caacf13ef3c1289665653dacd7c454

        SHA512

        f2ad3812ec9b915e9618539b0f103f2e9acaad25fbbacd84941c954ce070af231324e83a4621e951c1dbae8d40d50410954e40dd52bbd46e34c54b0d1957407b

      • C:\ProgramData\mozglue.dll

        Filesize

        593KB

        MD5

        c8fd9be83bc728cc04beffafc2907fe9

        SHA1

        95ab9f701e0024cedfbd312bcfe4e726744c4f2e

        SHA256

        ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

        SHA512

        fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

      • C:\ProgramData\nss3.dll

        Filesize

        2.0MB

        MD5

        1cc453cdf74f31e4d913ff9c10acdde2

        SHA1

        6e85eae544d6e965f15fa5c39700fa7202f3aafe

        SHA256

        ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

        SHA512

        dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

      • C:\Users\Admin\AppData\Local\Temp\iolo\dm\ioloDMLog.txt

        Filesize

        2KB

        MD5

        5ac800cbbeac6acdd9890a2998b1d772

        SHA1

        71239b6a22f9ea83d3bff3a9a945a3d9a30cc9ce

        SHA256

        4cafc2926b716e62d4e3325b3b5db337d58908ae75b5962c422350e68ae18670

        SHA512

        56935713fa96de54fd5f04592ca3d98aba397df980858dab87fa2af820b73d27730df5433b77fe3fc2aacfd5d40ec8853d1fc97262816ed5e06a1896803b5a9f

      • C:\Users\Admin\AppData\Local\Temp\u1uw.0.exe

        Filesize

        230KB

        MD5

        adaa7779ccd1879d9466706724ca2974

        SHA1

        af546b538b5362ee19131e8d30b633c817417d15

        SHA256

        7109bdc186a84c29affbe2882b747b8c32587ce4e8d4b39e770faa06d94431d8

        SHA512

        96fa1c074b4f268393f17b400711898178ce8479272d5b6ca1405568dbe63cc618b46bfb5b80a8b97a7a796f6d4b60c3727beb2b2a13d7e749b3746b736bff87

      • C:\Users\Admin\AppData\Local\Temp\u1uw.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/1912-49-0x0000000000400000-0x0000000002575000-memory.dmp

        Filesize

        33.5MB

      • memory/1912-161-0x0000000000400000-0x0000000002575000-memory.dmp

        Filesize

        33.5MB

      • memory/1912-51-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/2060-137-0x0000026A2C180000-0x0000026A2C194000-memory.dmp

        Filesize

        80KB

      • memory/2060-141-0x0000026A45BC0000-0x0000026A45C72000-memory.dmp

        Filesize

        712KB

      • memory/2060-163-0x0000026A46590000-0x0000026A465AE000-memory.dmp

        Filesize

        120KB

      • memory/2060-162-0x0000026A4B3D0000-0x0000026A4B446000-memory.dmp

        Filesize

        472KB

      • memory/2060-160-0x0000026A4B2F0000-0x0000026A4B2FC000-memory.dmp

        Filesize

        48KB

      • memory/2060-157-0x0000026A4BAF0000-0x0000026A4C018000-memory.dmp

        Filesize

        5.2MB

      • memory/2060-125-0x0000026A26D60000-0x0000026A2A594000-memory.dmp

        Filesize

        56.2MB

      • memory/2060-156-0x0000026A4B2D0000-0x0000026A4B2F2000-memory.dmp

        Filesize

        136KB

      • memory/2060-134-0x0000026A45D80000-0x0000026A45E8A000-memory.dmp

        Filesize

        1.0MB

      • memory/2060-135-0x0000026A2C170000-0x0000026A2C180000-memory.dmp

        Filesize

        64KB

      • memory/2060-136-0x0000026A2C210000-0x0000026A2C21C000-memory.dmp

        Filesize

        48KB

      • memory/2060-154-0x0000026A4B2A0000-0x0000026A4B2AA000-memory.dmp

        Filesize

        40KB

      • memory/2060-138-0x0000026A44B10000-0x0000026A44B34000-memory.dmp

        Filesize

        144KB

      • memory/2060-139-0x0000026A2C140000-0x0000026A2C14A000-memory.dmp

        Filesize

        40KB

      • memory/2060-140-0x0000026A45B20000-0x0000026A45B4A000-memory.dmp

        Filesize

        168KB

      • memory/2060-155-0x0000026A4B560000-0x0000026A4B5C2000-memory.dmp

        Filesize

        392KB

      • memory/2060-142-0x0000026A46020000-0x0000026A46070000-memory.dmp

        Filesize

        320KB

      • memory/2060-143-0x0000026A45FD0000-0x0000026A45FF2000-memory.dmp

        Filesize

        136KB

      • memory/2060-144-0x0000026A2C150000-0x0000026A2C15A000-memory.dmp

        Filesize

        40KB

      • memory/2060-148-0x0000026A46070000-0x0000026A46370000-memory.dmp

        Filesize

        3.0MB

      • memory/2060-150-0x0000026A4AA90000-0x0000026A4AA98000-memory.dmp

        Filesize

        32KB

      • memory/2060-152-0x0000026A4A3A0000-0x0000026A4A3AE000-memory.dmp

        Filesize

        56KB

      • memory/2060-151-0x0000026A4A3D0000-0x0000026A4A408000-memory.dmp

        Filesize

        224KB

      • memory/2060-153-0x0000026A4A3C0000-0x0000026A4A3C8000-memory.dmp

        Filesize

        32KB

      • memory/2408-27-0x0000000000400000-0x0000000002599000-memory.dmp

        Filesize

        33.6MB

      • memory/2408-2-0x0000000004260000-0x00000000042CC000-memory.dmp

        Filesize

        432KB

      • memory/2408-1-0x00000000028C0000-0x00000000029C0000-memory.dmp

        Filesize

        1024KB

      • memory/2408-4-0x0000000000400000-0x0000000002599000-memory.dmp

        Filesize

        33.6MB

      • memory/2408-28-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/2408-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/3640-107-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/3640-92-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB