Analysis

  • max time kernel
    147s
  • max time network
    152s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240508-en
  • resource tags

    arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    10-05-2024 23:16

General

  • Target

    e03217a8998288b42671c498047f09a24934c10959a397295ae4238c36519fac.exe

  • Size

    388KB

  • MD5

    a7b2dd013f50a1046c7b1f4b5f7b561e

  • SHA1

    d5943973759e9bac35c0806d4dd0fc93b64cb518

  • SHA256

    e03217a8998288b42671c498047f09a24934c10959a397295ae4238c36519fac

  • SHA512

    6bf462672102b30c8139adda65c3a69825f74c073214c9d7094124a66c89a633df9dc38d07521fb8304b0e82a8e8f039237f180581160489b459e80491fc3e27

  • SSDEEP

    12288:qDlQzUu8cUKdZN3QCUAWAOnxf3kBOtHKp8:qDqLU4zU9B3cOBKp8

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
  • 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 23 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\e03217a8998288b42671c498047f09a24934c10959a397295ae4238c36519fac.exe
    "C:\Users\Admin\AppData\Local\Temp\e03217a8998288b42671c498047f09a24934c10959a397295ae4238c36519fac.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3732
    • C:\Users\Admin\AppData\Local\Temp\u2vo.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u2vo.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:3436
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3436 -s 2456
        3⤵
        • Program crash
        PID:3732
    • C:\Users\Admin\AppData\Local\Temp\u2vo.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u2vo.1.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:3000
      • 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:2216
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3732 -s 1000
      2⤵
      • Program crash
      PID:2756
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3732 -ip 3732
    1⤵
      PID:3248
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 3436 -ip 3436
      1⤵
        PID:1412

      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\u2vo.0.exe

        Filesize

        245KB

        MD5

        cfb8824b499984790712831e50496700

        SHA1

        1288049dd8aa866991e826944b6a5c1dee0e3da0

        SHA256

        68ab41d802805f74bde3127b20febf98c31a57ab32de9302e53e681599ac7308

        SHA512

        b12579984e8499ae8564f6a580ef9af63bcf2b9f175badd2032b353d7fac1826dead3ea661d973fe198cae04f2d77d6b59e65fc90ea25d460c1b72b4cb56cdff

      • C:\Users\Admin\AppData\Local\Temp\u2vo.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/2216-135-0x000001EFF8FF0000-0x000001EFF8FFA000-memory.dmp

        Filesize

        40KB

      • memory/2216-111-0x000001EFF40C0000-0x000001EFF41CA000-memory.dmp

        Filesize

        1.0MB

      • memory/2216-174-0x000001EFF3DF0000-0x000001EFF3FA3000-memory.dmp

        Filesize

        1.7MB

      • memory/2216-120-0x000001EFF4500000-0x000001EFF4550000-memory.dmp

        Filesize

        320KB

      • memory/2216-163-0x000001EFF9340000-0x000001EFF935E000-memory.dmp

        Filesize

        120KB

      • memory/2216-142-0x000001EFF93E0000-0x000001EFF9456000-memory.dmp

        Filesize

        472KB

      • memory/2216-141-0x000001EFF9000000-0x000001EFF900C000-memory.dmp

        Filesize

        48KB

      • memory/2216-138-0x000001EFF95D0000-0x000001EFF9AF8000-memory.dmp

        Filesize

        5.2MB

      • memory/2216-137-0x000001EFF9070000-0x000001EFF9092000-memory.dmp

        Filesize

        136KB

      • memory/2216-131-0x000001EFF8210000-0x000001EFF8218000-memory.dmp

        Filesize

        32KB

      • memory/2216-118-0x000001EFF4400000-0x000001EFF44B2000-memory.dmp

        Filesize

        712KB

      • memory/2216-126-0x000001EFF4580000-0x000001EFF4880000-memory.dmp

        Filesize

        3.0MB

      • memory/2216-136-0x000001EFF9010000-0x000001EFF9072000-memory.dmp

        Filesize

        392KB

      • memory/2216-132-0x000001EFF8920000-0x000001EFF8958000-memory.dmp

        Filesize

        224KB

      • memory/2216-112-0x000001EFF3400000-0x000001EFF3410000-memory.dmp

        Filesize

        64KB

      • memory/2216-113-0x000001EFF3DD0000-0x000001EFF3DDC000-memory.dmp

        Filesize

        48KB

      • memory/2216-114-0x000001EFF3560000-0x000001EFF3574000-memory.dmp

        Filesize

        80KB

      • memory/2216-115-0x000001EFF4220000-0x000001EFF4244000-memory.dmp

        Filesize

        144KB

      • memory/2216-116-0x000001EFF43A0000-0x000001EFF43AA000-memory.dmp

        Filesize

        40KB

      • memory/2216-117-0x000001EFF43D0000-0x000001EFF43FA000-memory.dmp

        Filesize

        168KB

      • memory/2216-134-0x000001EFF8900000-0x000001EFF8908000-memory.dmp

        Filesize

        32KB

      • memory/2216-133-0x000001EFF88E0000-0x000001EFF88EE000-memory.dmp

        Filesize

        56KB

      • memory/2216-110-0x000001EFEDFB0000-0x000001EFF17E4000-memory.dmp

        Filesize

        56.2MB

      • memory/2216-121-0x000001EFF4550000-0x000001EFF4572000-memory.dmp

        Filesize

        136KB

      • memory/2216-122-0x000001EFF3420000-0x000001EFF342A000-memory.dmp

        Filesize

        40KB

      • memory/3000-109-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/3000-94-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/3436-17-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/3436-13-0x0000000000400000-0x0000000002579000-memory.dmp

        Filesize

        33.5MB

      • memory/3436-93-0x0000000000400000-0x0000000002579000-memory.dmp

        Filesize

        33.5MB

      • memory/3436-119-0x0000000000400000-0x0000000002579000-memory.dmp

        Filesize

        33.5MB

      • memory/3436-181-0x0000000000400000-0x0000000002579000-memory.dmp

        Filesize

        33.5MB

      • memory/3436-74-0x0000000000400000-0x0000000002579000-memory.dmp

        Filesize

        33.5MB

      • memory/3436-180-0x0000000000400000-0x0000000002579000-memory.dmp

        Filesize

        33.5MB

      • memory/3436-16-0x0000000000400000-0x0000000002579000-memory.dmp

        Filesize

        33.5MB

      • memory/3436-165-0x0000000000400000-0x0000000002579000-memory.dmp

        Filesize

        33.5MB

      • memory/3436-15-0x0000000000400000-0x0000000002579000-memory.dmp

        Filesize

        33.5MB

      • memory/3732-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/3732-14-0x0000000000400000-0x000000000259D000-memory.dmp

        Filesize

        33.6MB

      • memory/3732-69-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/3732-68-0x0000000002810000-0x000000000287C000-memory.dmp

        Filesize

        432KB

      • memory/3732-2-0x0000000002810000-0x000000000287C000-memory.dmp

        Filesize

        432KB

      • memory/3732-67-0x0000000000400000-0x000000000259D000-memory.dmp

        Filesize

        33.6MB

      • memory/3732-1-0x00000000028B0000-0x00000000029B0000-memory.dmp

        Filesize

        1024KB