Analysis

  • max time kernel
    147s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-05-2024 19:48

General

  • Target

    5ccfc51f17fa0013c0e4471c1c89ddce7c6527bf01db43fa5b3bc98836b7d1c4.exe

  • Size

    404KB

  • MD5

    f448739702b58d251157c09e0f3454d4

  • SHA1

    659ca585a585b2498369a9dbf16d864328168c0a

  • SHA256

    5ccfc51f17fa0013c0e4471c1c89ddce7c6527bf01db43fa5b3bc98836b7d1c4

  • SHA512

    7ccef8b9da3c8d7a5434487bd2d296ae563fa88ac96206922e95930622d0998df6a4422197ea6d092c174c9ff3cfd23fbe2a9e4748d7ccff8b8fd237be263fbc

  • SSDEEP

    6144:I+hXdi5S6e9EioGDqP3/CFPi/uh9SqPLb6kACHXPH1D2B9DHf/:vi5SQGOPvCFPi/uhYwLbmC3PH1D2BR/

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\5ccfc51f17fa0013c0e4471c1c89ddce7c6527bf01db43fa5b3bc98836b7d1c4.exe
    "C:\Users\Admin\AppData\Local\Temp\5ccfc51f17fa0013c0e4471c1c89ddce7c6527bf01db43fa5b3bc98836b7d1c4.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1252
    • C:\Users\Admin\AppData\Local\Temp\uys.0.exe
      "C:\Users\Admin\AppData\Local\Temp\uys.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:4060
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4060 -s 2400
        3⤵
        • Program crash
        PID:3508
    • C:\Users\Admin\AppData\Local\Temp\uys.1.exe
      "C:\Users\Admin\AppData\Local\Temp\uys.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:3280
      • 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:4672
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1252 -s 1512
      2⤵
      • Program crash
      PID:2092
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1252 -ip 1252
    1⤵
      PID:808
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4060 -ip 4060
      1⤵
        PID:1728

      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\uys.0.exe

        Filesize

        262KB

        MD5

        49c818da112894812df1468c79b96bbc

        SHA1

        b943d8877e19b59cd6f61f702c659e635fd96a4f

        SHA256

        7dee0c70282dffb5642fe42e1d7480ace50d58fad04f41f240b99dd7be432a3a

        SHA512

        5171905e30b07b72a32f12b0d9a39003d1a8aa83feeb25cb867a2290eed5e8bf3c6b2d7e5eb85be31a1bc818726dafd899d9956440804b2ef47d46e41c259732

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

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/1252-2-0x00000000047E0000-0x000000000484C000-memory.dmp

        Filesize

        432KB

      • memory/1252-1-0x0000000002D40000-0x0000000002E40000-memory.dmp

        Filesize

        1024KB

      • memory/1252-10-0x0000000000400000-0x0000000002B22000-memory.dmp

        Filesize

        39.1MB

      • memory/1252-29-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/1252-28-0x0000000000400000-0x0000000002B22000-memory.dmp

        Filesize

        39.1MB

      • memory/1252-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/3280-49-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/3280-63-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/3280-59-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/4060-163-0x0000000000400000-0x0000000002AFE000-memory.dmp

        Filesize

        39.0MB

      • memory/4060-65-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/4060-62-0x0000000000400000-0x0000000002AFE000-memory.dmp

        Filesize

        39.0MB

      • memory/4672-113-0x000001C369D70000-0x000001C369D9A000-memory.dmp

        Filesize

        168KB

      • memory/4672-146-0x000001C36EDB0000-0x000001C36EDB8000-memory.dmp

        Filesize

        32KB

      • memory/4672-112-0x000001C351570000-0x000001C35157A000-memory.dmp

        Filesize

        40KB

      • memory/4672-110-0x000001C34FBC0000-0x000001C34FBD4000-memory.dmp

        Filesize

        80KB

      • memory/4672-115-0x000001C36A340000-0x000001C36A390000-memory.dmp

        Filesize

        320KB

      • memory/4672-114-0x000001C369EB0000-0x000001C369F62000-memory.dmp

        Filesize

        712KB

      • memory/4672-116-0x000001C36A0B0000-0x000001C36A0D2000-memory.dmp

        Filesize

        136KB

      • memory/4672-120-0x000001C369D50000-0x000001C369D5A000-memory.dmp

        Filesize

        40KB

      • memory/4672-124-0x000001C36A390000-0x000001C36A690000-memory.dmp

        Filesize

        3.0MB

      • memory/4672-109-0x000001C34FBD0000-0x000001C34FBDC000-memory.dmp

        Filesize

        48KB

      • memory/4672-108-0x000001C34FBB0000-0x000001C34FBC0000-memory.dmp

        Filesize

        64KB

      • memory/4672-111-0x000001C351550000-0x000001C351574000-memory.dmp

        Filesize

        144KB

      • memory/4672-148-0x000001C36E6F0000-0x000001C36E728000-memory.dmp

        Filesize

        224KB

      • memory/4672-149-0x000001C36E6C0000-0x000001C36E6CE000-memory.dmp

        Filesize

        56KB

      • memory/4672-150-0x000001C36E6E0000-0x000001C36E6E8000-memory.dmp

        Filesize

        32KB

      • memory/4672-153-0x000001C36F8E0000-0x000001C36F902000-memory.dmp

        Filesize

        136KB

      • memory/4672-104-0x000001C369F70000-0x000001C36A07A000-memory.dmp

        Filesize

        1.0MB

      • memory/4672-152-0x000001C36F880000-0x000001C36F8E2000-memory.dmp

        Filesize

        392KB

      • memory/4672-151-0x000001C36F860000-0x000001C36F86A000-memory.dmp

        Filesize

        40KB

      • memory/4672-158-0x000001C36FE30000-0x000001C370358000-memory.dmp

        Filesize

        5.2MB

      • memory/4672-161-0x000001C36A690000-0x000001C36A69C000-memory.dmp

        Filesize

        48KB

      • memory/4672-162-0x000001C36F5E0000-0x000001C36F656000-memory.dmp

        Filesize

        472KB

      • memory/4672-64-0x000001C34BF20000-0x000001C34F754000-memory.dmp

        Filesize

        56.2MB

      • memory/4672-164-0x000001C36A950000-0x000001C36A96E000-memory.dmp

        Filesize

        120KB