Analysis

  • max time kernel
    128s
  • max time network
    129s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240426-en
  • resource tags

    arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    06-05-2024 13:07

General

  • Target

    3e669ba69526b54d56702815e33dc3d5f89a059636a85b48f4aacf12d06ad088.exe

  • Size

    416KB

  • MD5

    d787f19c83e7221552cb86dbea74c4e7

  • SHA1

    7218da4cafa0773f548a7d7fc7f4511a4d4541e5

  • SHA256

    3e669ba69526b54d56702815e33dc3d5f89a059636a85b48f4aacf12d06ad088

  • SHA512

    4552cdc7979c21e60d73c39bf9df12c5fed4c1534a45906e1d5b9fc60a0c94236faa6af4f2153867b1443d8705178ab27518a13c01650e78e2d68ddc33b7cdea

  • SSDEEP

    6144:H/BZItaWG0e12qQ61HC7bIxM6Wp8ik/QAYiVA2XOxx0HNhBp7/nyaFotaZo:fBZI4WObXGIa6AA/eV+HNhLvCtco

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\3e669ba69526b54d56702815e33dc3d5f89a059636a85b48f4aacf12d06ad088.exe
    "C:\Users\Admin\AppData\Local\Temp\3e669ba69526b54d56702815e33dc3d5f89a059636a85b48f4aacf12d06ad088.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2228
    • C:\Users\Admin\AppData\Local\Temp\u1pw.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u1pw.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:3060
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3060 -s 2460
        3⤵
        • Program crash
        PID:616
    • C:\Users\Admin\AppData\Local\Temp\u1pw.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u1pw.1.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:1172
      • 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:888
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2228 -s 1556
      2⤵
      • Program crash
      PID:1588
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2228 -ip 2228
    1⤵
      PID:2124
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 3060 -ip 3060
      1⤵
        PID:2352

      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

        ad622e7b4d2c5a16659256de36ca7487

        SHA1

        55707a1c47d68d23c4914626a8d7218b4cd661d3

        SHA256

        7c9483a7e21f94f7b0b00564d6aaccfeb9d19cb5287fc546aed346c583c31a4d

        SHA512

        67343b114b4f9e20834c652b4b8abdadb8314c766c8907bc5dbcca245647263bce5134d9ffffd5b043de480fff1eb431a10cb66a6ecf178c87776346c341db23

      • C:\Users\Admin\AppData\Local\Temp\u1pw.0.exe

        Filesize

        274KB

        MD5

        b63651242fe0e7f1fec1bde74aa9a314

        SHA1

        207fa50fec5ad58497fe74ab1025fa5581aa7bba

        SHA256

        bab90c5ac83470d55766cdbd3dffb8f4f4531d7b3fdf49dd5e318def2697c44c

        SHA512

        05df1e4d9d9a42efa9638eb92d37dc37c30c6cf9abf89ca97c46cbab0ea2de87c9d3723561dbf33e6832dd69774ccc16405ac121c9450e5f82db5d73863e335f

      • C:\Users\Admin\AppData\Local\Temp\u1pw.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/888-141-0x00000139773F0000-0x0000013977500000-memory.dmp

        Filesize

        1.1MB

      • memory/888-159-0x000001397BD20000-0x000001397BD58000-memory.dmp

        Filesize

        224KB

      • memory/888-171-0x000001397C4B0000-0x000001397C4CE000-memory.dmp

        Filesize

        120KB

      • memory/888-170-0x000001397C480000-0x000001397C4A2000-memory.dmp

        Filesize

        136KB

      • memory/888-167-0x000001397C3E0000-0x000001397C3EC000-memory.dmp

        Filesize

        48KB

      • memory/888-166-0x000001397C430000-0x000001397C480000-memory.dmp

        Filesize

        320KB

      • memory/888-163-0x000001397CB80000-0x000001397D0A8000-memory.dmp

        Filesize

        5.2MB

      • memory/888-161-0x000001397C640000-0x000001397C64A000-memory.dmp

        Filesize

        40KB

      • memory/888-162-0x000001397C3C0000-0x000001397C3E2000-memory.dmp

        Filesize

        136KB

      • memory/888-160-0x000001397BCF0000-0x000001397BCFE000-memory.dmp

        Filesize

        56KB

      • memory/888-158-0x000001397BDA0000-0x000001397BDA8000-memory.dmp

        Filesize

        32KB

      • memory/888-156-0x0000013977980000-0x0000013977C80000-memory.dmp

        Filesize

        3.0MB

      • memory/888-152-0x000001395EAB0000-0x000001395EABA000-memory.dmp

        Filesize

        40KB

      • memory/888-140-0x00000139593B0000-0x000001395CCA8000-memory.dmp

        Filesize

        57.0MB

      • memory/888-143-0x00000139773A0000-0x00000139773AC000-memory.dmp

        Filesize

        48KB

      • memory/888-142-0x000001395E9F0000-0x000001395EA00000-memory.dmp

        Filesize

        64KB

      • memory/888-151-0x0000013977900000-0x0000013977976000-memory.dmp

        Filesize

        472KB

      • memory/888-144-0x000001395EAD0000-0x000001395EAE4000-memory.dmp

        Filesize

        80KB

      • memory/888-145-0x00000139773C0000-0x00000139773E4000-memory.dmp

        Filesize

        144KB

      • memory/888-146-0x00000139776A0000-0x00000139776AA000-memory.dmp

        Filesize

        40KB

      • memory/888-147-0x00000139776C0000-0x00000139776EA000-memory.dmp

        Filesize

        168KB

      • memory/888-149-0x00000139777A0000-0x000001397781A000-memory.dmp

        Filesize

        488KB

      • memory/888-148-0x00000139776F0000-0x00000139777A2000-memory.dmp

        Filesize

        712KB

      • memory/888-150-0x0000013977820000-0x0000013977882000-memory.dmp

        Filesize

        392KB

      • memory/1172-139-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/1172-126-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/2228-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/2228-70-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/2228-69-0x0000000000400000-0x0000000001A32000-memory.dmp

        Filesize

        22.2MB

      • memory/2228-2-0x0000000003750000-0x00000000037BC000-memory.dmp

        Filesize

        432KB

      • memory/2228-1-0x0000000001BF0000-0x0000000001CF0000-memory.dmp

        Filesize

        1024KB

      • memory/3060-117-0x0000000000400000-0x0000000001A0F000-memory.dmp

        Filesize

        22.1MB

      • memory/3060-13-0x0000000000400000-0x0000000001A0F000-memory.dmp

        Filesize

        22.1MB

      • memory/3060-14-0x0000000000400000-0x0000000001A0F000-memory.dmp

        Filesize

        22.1MB

      • memory/3060-16-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/3060-169-0x0000000000400000-0x0000000001A0F000-memory.dmp

        Filesize

        22.1MB

      • memory/3060-138-0x0000000000400000-0x0000000001A0F000-memory.dmp

        Filesize

        22.1MB

      • memory/3060-15-0x0000000000400000-0x0000000001A0F000-memory.dmp

        Filesize

        22.1MB