Analysis

  • max time kernel
    136s
  • max time network
    137s
  • 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 16:02

General

  • Target

    b0e0226ee0d241958a87f0b4a07abf6c9e63280bc990214af7e26f8286492871.exe

  • Size

    416KB

  • MD5

    889166c51337fafca2952d170d5c95c8

  • SHA1

    f5f7e36f352531937025c3d88217733af15e7782

  • SHA256

    b0e0226ee0d241958a87f0b4a07abf6c9e63280bc990214af7e26f8286492871

  • SHA512

    c14f54296bd98a8bdd99be52f491f2da335d09e3627635326b3e0218f8b51e484622e3cef9e7b8a4737aafaae37678b61cd0c148b745494335baafbf4aee3c96

  • SSDEEP

    6144:Z5YuR8GzWWGtJf1/NoL+TcbtnqJPMfsvJQjN+tu8BjtlLCSzE4Rx58VVFrk06:JR8GzWWSZ1g+w5qJmjNMu6h9vzE44k06

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 25 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\b0e0226ee0d241958a87f0b4a07abf6c9e63280bc990214af7e26f8286492871.exe
    "C:\Users\Admin\AppData\Local\Temp\b0e0226ee0d241958a87f0b4a07abf6c9e63280bc990214af7e26f8286492871.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3876
    • C:\Users\Admin\AppData\Local\Temp\u2zo.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u2zo.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:1532
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1532 -s 2440
        3⤵
        • Program crash
        PID:2856
    • C:\Users\Admin\AppData\Local\Temp\u2zo.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u2zo.1.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2256
      • 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:1920
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3876 -s 1524
      2⤵
      • Program crash
      PID:2748
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3876 -ip 3876
    1⤵
      PID:408
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 1532 -ip 1532
      1⤵
        PID:2568

      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\u2zo.0.exe

        Filesize

        274KB

        MD5

        5ade13af5562d781ed7c2125b798937b

        SHA1

        4c8e9e941bd9a7beb5b67c224a85bb82b501fed8

        SHA256

        1d05661d8c7a296602f66a8aac7cb16115354a313fc2019088e5ba92c29f3c40

        SHA512

        f07e3966cf2e5f0a098e9b76ee6519f1ea473053736d02c872ec0caece31a51b324a2cf239b7a89859e9425e3f046451074468ba21ffb4efec1c68667eaeab20

      • C:\Users\Admin\AppData\Local\Temp\u2zo.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/1532-74-0x0000000000400000-0x0000000001A0F000-memory.dmp

        Filesize

        22.1MB

      • memory/1532-126-0x0000000000400000-0x0000000001A0F000-memory.dmp

        Filesize

        22.1MB

      • memory/1532-125-0x0000000000400000-0x0000000001A0F000-memory.dmp

        Filesize

        22.1MB

      • memory/1532-13-0x0000000000400000-0x0000000001A0F000-memory.dmp

        Filesize

        22.1MB

      • memory/1532-14-0x0000000000400000-0x0000000001A0F000-memory.dmp

        Filesize

        22.1MB

      • memory/1532-15-0x0000000000400000-0x0000000001A0F000-memory.dmp

        Filesize

        22.1MB

      • memory/1532-17-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/1920-151-0x000001B3B1CA0000-0x000001B3B1CAA000-memory.dmp

        Filesize

        40KB

      • memory/1920-147-0x000001B3CC020000-0x000001B3CC0D2000-memory.dmp

        Filesize

        712KB

      • memory/1920-168-0x000001B3D1030000-0x000001B3D104E000-memory.dmp

        Filesize

        120KB

      • memory/1920-167-0x000001B3D1000000-0x000001B3D1022000-memory.dmp

        Filesize

        136KB

      • memory/1920-165-0x000001B3D0FB0000-0x000001B3D1000000-memory.dmp

        Filesize

        320KB

      • memory/1920-166-0x000001B3D0F60000-0x000001B3D0F6C000-memory.dmp

        Filesize

        48KB

      • memory/1920-162-0x000001B3D1730000-0x000001B3D1C58000-memory.dmp

        Filesize

        5.2MB

      • memory/1920-161-0x000001B3D11E0000-0x000001B3D1202000-memory.dmp

        Filesize

        136KB

      • memory/1920-160-0x000001B3D0F40000-0x000001B3D0F4A000-memory.dmp

        Filesize

        40KB

      • memory/1920-139-0x000001B3ADF40000-0x000001B3B1838000-memory.dmp

        Filesize

        57.0MB

      • memory/1920-140-0x000001B3CC100000-0x000001B3CC210000-memory.dmp

        Filesize

        1.1MB

      • memory/1920-142-0x000001B3B1D20000-0x000001B3B1D2C000-memory.dmp

        Filesize

        48KB

      • memory/1920-141-0x000001B3B1D00000-0x000001B3B1D10000-memory.dmp

        Filesize

        64KB

      • memory/1920-143-0x000001B3B1D10000-0x000001B3B1D24000-memory.dmp

        Filesize

        80KB

      • memory/1920-144-0x000001B3B3600000-0x000001B3B3624000-memory.dmp

        Filesize

        144KB

      • memory/1920-145-0x000001B3CBE40000-0x000001B3CBE4A000-memory.dmp

        Filesize

        40KB

      • memory/1920-146-0x000001B3CBFF0000-0x000001B3CC01A000-memory.dmp

        Filesize

        168KB

      • memory/1920-159-0x000001B3D0840000-0x000001B3D084E000-memory.dmp

        Filesize

        56KB

      • memory/1920-148-0x000001B3CC360000-0x000001B3CC3DA000-memory.dmp

        Filesize

        488KB

      • memory/1920-149-0x000001B3CC3E0000-0x000001B3CC442000-memory.dmp

        Filesize

        392KB

      • memory/1920-150-0x000001B3CC4C0000-0x000001B3CC536000-memory.dmp

        Filesize

        472KB

      • memory/1920-158-0x000001B3D0870000-0x000001B3D08A8000-memory.dmp

        Filesize

        224KB

      • memory/1920-155-0x000001B3CC540000-0x000001B3CC840000-memory.dmp

        Filesize

        3.0MB

      • memory/1920-157-0x000001B3D0F30000-0x000001B3D0F38000-memory.dmp

        Filesize

        32KB

      • memory/2256-138-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/2256-96-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/3876-1-0x0000000001C50000-0x0000000001D50000-memory.dmp

        Filesize

        1024KB

      • memory/3876-64-0x0000000000400000-0x0000000001A32000-memory.dmp

        Filesize

        22.2MB

      • memory/3876-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/3876-2-0x0000000003770000-0x00000000037DC000-memory.dmp

        Filesize

        432KB

      • memory/3876-16-0x0000000000400000-0x0000000001A32000-memory.dmp

        Filesize

        22.2MB

      • memory/3876-66-0x0000000003770000-0x00000000037DC000-memory.dmp

        Filesize

        432KB

      • memory/3876-65-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB