Analysis

  • max time kernel
    143s
  • max time network
    147s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240426-en
  • resource tags

    arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    10-05-2024 23:16

General

  • Target

    30702ce8225b2fe24fe79588f3a598bd2b6fc6fd77e492dd20ef747e3b234103.exe

  • Size

    388KB

  • MD5

    2562d07c9213592d9a82e1752b48a299

  • SHA1

    6c98a8af1793e99d96480f46cb317acad44efe2a

  • SHA256

    30702ce8225b2fe24fe79588f3a598bd2b6fc6fd77e492dd20ef747e3b234103

  • SHA512

    bc33237facafd0a6a095611676d3c1c3ef07c0a4648c7dfbaad0791a94cfa68b6a7f65f48fe26c9d801e074c0b422cdf28eb1b363c082c16ba0813baa7560601

  • SSDEEP

    12288:qDlQzUu8cUKdZN3QCUAWAOnxf3kBOtHKp4:qDqLU4zU9B3cOBKp4

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.150

Attributes
  • url_path

    /c698e1bc8a2f5e6d.php

Signatures

  • Detect ZGRat V1 2 IoCs
  • Stealc

    Stealc is an infostealer written in C++.

  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Downloads MZ/PE file
  • 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 21 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\30702ce8225b2fe24fe79588f3a598bd2b6fc6fd77e492dd20ef747e3b234103.exe
    "C:\Users\Admin\AppData\Local\Temp\30702ce8225b2fe24fe79588f3a598bd2b6fc6fd77e492dd20ef747e3b234103.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4064
    • C:\Users\Admin\AppData\Local\Temp\u34w.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u34w.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:1464
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1464 -s 2440
        3⤵
        • Program crash
        PID:3588
    • C:\Users\Admin\AppData\Local\Temp\u34w.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u34w.1.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:4692
      • 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:3884
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4064 -s 1164
      2⤵
      • Program crash
      PID:1964
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4064 -ip 4064
    1⤵
      PID:4700
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 1464 -ip 1464
      1⤵
        PID:4164

      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\u34w.0.exe

        Filesize

        245KB

        MD5

        cfb8824b499984790712831e50496700

        SHA1

        1288049dd8aa866991e826944b6a5c1dee0e3da0

        SHA256

        68ab41d802805f74bde3127b20febf98c31a57ab32de9302e53e681599ac7308

        SHA512

        b12579984e8499ae8564f6a580ef9af63bcf2b9f175badd2032b353d7fac1826dead3ea661d973fe198cae04f2d77d6b59e65fc90ea25d460c1b72b4cb56cdff

      • C:\Users\Admin\AppData\Local\Temp\u34w.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/1464-117-0x0000000000400000-0x0000000002579000-memory.dmp

        Filesize

        33.5MB

      • memory/1464-13-0x0000000000400000-0x0000000002579000-memory.dmp

        Filesize

        33.5MB

      • memory/1464-14-0x0000000000400000-0x0000000002579000-memory.dmp

        Filesize

        33.5MB

      • memory/1464-16-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/1464-58-0x0000000000400000-0x0000000002579000-memory.dmp

        Filesize

        33.5MB

      • memory/3884-150-0x000001E423A00000-0x000001E423A14000-memory.dmp

        Filesize

        80KB

      • memory/3884-157-0x000001E4239D0000-0x000001E4239DA000-memory.dmp

        Filesize

        40KB

      • memory/3884-175-0x000001E428EC0000-0x000001E428EDE000-memory.dmp

        Filesize

        120KB

      • memory/3884-174-0x000001E428F60000-0x000001E428FD6000-memory.dmp

        Filesize

        472KB

      • memory/3884-163-0x000001E428B40000-0x000001E428B48000-memory.dmp

        Filesize

        32KB

      • memory/3884-164-0x000001E428480000-0x000001E4284B8000-memory.dmp

        Filesize

        224KB

      • memory/3884-173-0x000001E428B80000-0x000001E428B8C000-memory.dmp

        Filesize

        48KB

      • memory/3884-165-0x000001E428450000-0x000001E42845E000-memory.dmp

        Filesize

        56KB

      • memory/3884-170-0x000001E4293C0000-0x000001E4298E8000-memory.dmp

        Filesize

        5.2MB

      • memory/3884-146-0x000001E405CF0000-0x000001E409524000-memory.dmp

        Filesize

        56.2MB

      • memory/3884-167-0x000001E428B50000-0x000001E428B5A000-memory.dmp

        Filesize

        40KB

      • memory/3884-151-0x000001E423C90000-0x000001E423CB4000-memory.dmp

        Filesize

        144KB

      • memory/3884-149-0x000001E423A10000-0x000001E423A1C000-memory.dmp

        Filesize

        48KB

      • memory/3884-155-0x000001E4240C0000-0x000001E424110000-memory.dmp

        Filesize

        320KB

      • memory/3884-156-0x000001E424070000-0x000001E424092000-memory.dmp

        Filesize

        136KB

      • memory/3884-154-0x000001E423FC0000-0x000001E424072000-memory.dmp

        Filesize

        712KB

      • memory/3884-153-0x000001E423CD0000-0x000001E423CFA000-memory.dmp

        Filesize

        168KB

      • memory/3884-168-0x000001E428E10000-0x000001E428E72000-memory.dmp

        Filesize

        392KB

      • memory/3884-161-0x000001E424110000-0x000001E424410000-memory.dmp

        Filesize

        3.0MB

      • memory/3884-152-0x000001E423CB0000-0x000001E423CBA000-memory.dmp

        Filesize

        40KB

      • memory/3884-148-0x000001E4239F0000-0x000001E423A00000-memory.dmp

        Filesize

        64KB

      • memory/3884-147-0x000001E423D60000-0x000001E423E6A000-memory.dmp

        Filesize

        1.0MB

      • memory/3884-166-0x000001E428470000-0x000001E428478000-memory.dmp

        Filesize

        32KB

      • memory/3884-169-0x000001E428E70000-0x000001E428E92000-memory.dmp

        Filesize

        136KB

      • memory/4064-83-0x0000000002840000-0x0000000002940000-memory.dmp

        Filesize

        1024KB

      • memory/4064-1-0x0000000002840000-0x0000000002940000-memory.dmp

        Filesize

        1024KB

      • memory/4064-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/4064-2-0x00000000042E0000-0x000000000434C000-memory.dmp

        Filesize

        432KB

      • memory/4064-106-0x0000000000400000-0x000000000259D000-memory.dmp

        Filesize

        33.6MB

      • memory/4064-107-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/4064-15-0x0000000000400000-0x000000000259D000-memory.dmp

        Filesize

        33.6MB

      • memory/4692-145-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/4692-133-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB