Analysis

  • max time kernel
    146s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240508-en
  • resource tags

    arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    11-05-2024 11:43

General

  • Target

    2183534537e54d7b42c32edbe091ad459f9c323a12092925527e1a45070ca61f.exe

  • Size

    386KB

  • MD5

    9307ef90f4e90897e00d4c071fa7db83

  • SHA1

    4f80fcb1c62dd9c05bfdc26733899acdd263e0d0

  • SHA256

    2183534537e54d7b42c32edbe091ad459f9c323a12092925527e1a45070ca61f

  • SHA512

    605d032e9424d7e3df3bc6887f5840ba6b53d83686bba256865add62903a8d5124189a6737e74668d06919b6c587d55b9591e78b918810f53488e299bc5cafc2

  • SSDEEP

    6144:TcykrZfMtgEBXGx0Xy5gul0n4Qgf3ONjMMejZxxXx+0jTw3M:TcyktfW/tXZbgf3ONj7elxJw3M

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\2183534537e54d7b42c32edbe091ad459f9c323a12092925527e1a45070ca61f.exe
    "C:\Users\Admin\AppData\Local\Temp\2183534537e54d7b42c32edbe091ad459f9c323a12092925527e1a45070ca61f.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2384
    • C:\Users\Admin\AppData\Local\Temp\u1u8.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u1u8.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:4880
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4880 -s 2128
        3⤵
        • Program crash
        PID:1316
    • C:\Users\Admin\AppData\Local\Temp\u1u8.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u1u8.1.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2012
      • 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:4280
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2384 -s 1164
      2⤵
      • Program crash
      PID:4392
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2384 -ip 2384
    1⤵
      PID:4908
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4880 -ip 4880
      1⤵
        PID:3792

      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

        3KB

        MD5

        6473a5465c566256d3acf4dae2ea540a

        SHA1

        056b77ae4c451d5280f412ef32f90eebdeb31561

        SHA256

        03c198091701d7ce69a787644c21c62a9088de8f9c2f6f15b5fc4ca4aa5e6a50

        SHA512

        ee36d0c19b94ffaa66b76de921c4b01791806ec9e2081e06fe6d5f84191da88262dc2e0c751272c69de9ee97c94381b59f46e1ab2a7d0b481e60292f851d1a4a

      • C:\Users\Admin\AppData\Local\Temp\u1u8.0.exe

        Filesize

        245KB

        MD5

        c367bb32189579c56bf39dca67f62869

        SHA1

        8f82da4069c9ad6859a457b550369db21c284423

        SHA256

        6bfc504449a39316188b90599aa225fef46e6be74d2283725f48bcb2860ec1ca

        SHA512

        a69e2e46475f73fe8bde1ab58a1e48afac1bc7a5cb43093ebcde397cb4086e1f529fd38d534e8da5c0d268e66fe5836a25746f41cbd3293e54cd5dd8cc246dc5

      • C:\Users\Admin\AppData\Local\Temp\u1u8.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/2012-132-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/2012-121-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/2384-27-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/2384-26-0x0000000000400000-0x000000000259D000-memory.dmp

        Filesize

        33.6MB

      • memory/2384-1-0x0000000002720000-0x0000000002820000-memory.dmp

        Filesize

        1024KB

      • memory/2384-2-0x00000000042D0000-0x000000000433C000-memory.dmp

        Filesize

        432KB

      • memory/2384-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/4280-137-0x0000021D11E40000-0x0000021D11E54000-memory.dmp

        Filesize

        80KB

      • memory/4280-153-0x0000021D2EF60000-0x0000021D2EF68000-memory.dmp

        Filesize

        32KB

      • memory/4280-162-0x0000021D2F6D0000-0x0000021D2F6EE000-memory.dmp

        Filesize

        120KB

      • memory/4280-133-0x0000021D0C7D0000-0x0000021D10004000-memory.dmp

        Filesize

        56.2MB

      • memory/4280-134-0x0000021D2A740000-0x0000021D2A84A000-memory.dmp

        Filesize

        1.0MB

      • memory/4280-136-0x0000021D11E50000-0x0000021D11E5C000-memory.dmp

        Filesize

        48KB

      • memory/4280-135-0x0000021D11E00000-0x0000021D11E10000-memory.dmp

        Filesize

        64KB

      • memory/4280-161-0x0000021D2F770000-0x0000021D2F7E6000-memory.dmp

        Filesize

        472KB

      • memory/4280-138-0x0000021D2A890000-0x0000021D2A8B4000-memory.dmp

        Filesize

        144KB

      • memory/4280-139-0x0000021D2A8B0000-0x0000021D2A8BA000-memory.dmp

        Filesize

        40KB

      • memory/4280-140-0x0000021D2AA30000-0x0000021D2AA5A000-memory.dmp

        Filesize

        168KB

      • memory/4280-141-0x0000021D2AA60000-0x0000021D2AB12000-memory.dmp

        Filesize

        712KB

      • memory/4280-142-0x0000021D2AB60000-0x0000021D2ABB0000-memory.dmp

        Filesize

        320KB

      • memory/4280-143-0x0000021D2ABB0000-0x0000021D2ABD2000-memory.dmp

        Filesize

        136KB

      • memory/4280-144-0x0000021D11E20000-0x0000021D11E2A000-memory.dmp

        Filesize

        40KB

      • memory/4280-148-0x0000021D2ABE0000-0x0000021D2AEE0000-memory.dmp

        Filesize

        3.0MB

      • memory/4280-150-0x0000021D2F630000-0x0000021D2F638000-memory.dmp

        Filesize

        32KB

      • memory/4280-152-0x0000021D2EF40000-0x0000021D2EF4E000-memory.dmp

        Filesize

        56KB

      • memory/4280-151-0x0000021D2EF70000-0x0000021D2EFA8000-memory.dmp

        Filesize

        224KB

      • memory/4280-160-0x0000021D2F660000-0x0000021D2F66C000-memory.dmp

        Filesize

        48KB

      • memory/4280-154-0x0000021D2F650000-0x0000021D2F65A000-memory.dmp

        Filesize

        40KB

      • memory/4280-156-0x0000021D2F680000-0x0000021D2F6A2000-memory.dmp

        Filesize

        136KB

      • memory/4280-155-0x0000021D2F900000-0x0000021D2F962000-memory.dmp

        Filesize

        392KB

      • memory/4280-157-0x0000021D2FE90000-0x0000021D303B8000-memory.dmp

        Filesize

        5.2MB

      • memory/4880-129-0x0000000000400000-0x000000000257A000-memory.dmp

        Filesize

        33.5MB

      • memory/4880-33-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/4880-120-0x0000000000400000-0x000000000257A000-memory.dmp

        Filesize

        33.5MB