Analysis

  • max time kernel
    132s
  • max time network
    134s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240419-en
  • resource tags

    arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    07-05-2024 12:46

General

  • Target

    4fa5db7496054fe5846d2676cf4d95c5b3f50744acc8cf3b8ba16852480f05e6.exe

  • Size

    407KB

  • MD5

    9797eea799a3fea1c6afbed74a6b944a

  • SHA1

    9efbdfa9545f549948b874a6dd7555f4dd5a60f2

  • SHA256

    4fa5db7496054fe5846d2676cf4d95c5b3f50744acc8cf3b8ba16852480f05e6

  • SHA512

    689cb81caad25f21671c034c3456e3e83927b261f10c4a92646ba910169ca9a4324de0c5c21148dc7a42bdec64d5e6b30945af8e7beecc5367493e8b6e55f6c9

  • SSDEEP

    6144:TRJCasp2zJZshZ3ZBtPeWNk/GW5qqSODl+40hwxo:uaVYPnYAqwp2xo

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\4fa5db7496054fe5846d2676cf4d95c5b3f50744acc8cf3b8ba16852480f05e6.exe
    "C:\Users\Admin\AppData\Local\Temp\4fa5db7496054fe5846d2676cf4d95c5b3f50744acc8cf3b8ba16852480f05e6.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3068
    • C:\Users\Admin\AppData\Local\Temp\u2d8.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u2d8.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:772
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 772 -s 2444
        3⤵
        • Program crash
        PID:2704
    • C:\Users\Admin\AppData\Local\Temp\u2d8.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u2d8.1.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2480
      • 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:2128
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3068 -s 1172
      2⤵
      • Program crash
      PID:804
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3068 -ip 3068
    1⤵
      PID:2172
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 772 -ip 772
      1⤵
        PID:2652

      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

        a8aec91154eaf046eccebf29f33b429d

        SHA1

        a560b7c9cfc212a60d988e2f5e22436bc6c4950f

        SHA256

        f07a944699fd0b933b8930d3cc4b0e24d6b9736316ebcb77d983672c7a1f92a1

        SHA512

        7c3c309e008af3aa04484bfbf12feee699df4c3085bf519300a397e396cb5807d9901ee5e03f846c27973fe8884191450561abb10dd6bd5f189b97c76dd08488

      • C:\Users\Admin\AppData\Local\Temp\u2d8.0.exe

        Filesize

        266KB

        MD5

        90a0c06e1263e06041273847eb153af6

        SHA1

        bce52648d68c64eaf2e4213f8d43d5b6f32c78d5

        SHA256

        99b0b508a7c79af7fa71aa025fa4c9c5cb7ca6b13e5f7a1d213f2ee2853f8789

        SHA512

        8d1ee4bd74fe35f6fd18d2cbdc7115aba197d5e883dc3123dfcc7582baf790b8221608fcff746795eaa481c13010247bfcae64d2ded14f08cca90e3b6a87349c

      • C:\Users\Admin\AppData\Local\Temp\u2d8.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/772-169-0x0000000000400000-0x0000000002AFF000-memory.dmp

        Filesize

        39.0MB

      • memory/772-95-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/772-93-0x0000000000400000-0x0000000002AFF000-memory.dmp

        Filesize

        39.0MB

      • memory/2128-85-0x000001E0B6120000-0x000001E0B6182000-memory.dmp

        Filesize

        392KB

      • memory/2128-81-0x000001E0B5790000-0x000001E0B57C8000-memory.dmp

        Filesize

        224KB

      • memory/2128-92-0x000001E0B5EF0000-0x000001E0B5F0E000-memory.dmp

        Filesize

        120KB

      • memory/2128-63-0x000001E093000000-0x000001E096834000-memory.dmp

        Filesize

        56.2MB

      • memory/2128-64-0x000001E0B0FD0000-0x000001E0B10DA000-memory.dmp

        Filesize

        1.0MB

      • memory/2128-66-0x000001E0985F0000-0x000001E0985FC000-memory.dmp

        Filesize

        48KB

      • memory/2128-68-0x000001E0B0E20000-0x000001E0B0E44000-memory.dmp

        Filesize

        144KB

      • memory/2128-67-0x000001E0985D0000-0x000001E0985E4000-memory.dmp

        Filesize

        80KB

      • memory/2128-65-0x000001E0985C0000-0x000001E0985D0000-memory.dmp

        Filesize

        64KB

      • memory/2128-69-0x000001E0B0E50000-0x000001E0B0E5A000-memory.dmp

        Filesize

        40KB

      • memory/2128-70-0x000001E0B1280000-0x000001E0B12AA000-memory.dmp

        Filesize

        168KB

      • memory/2128-71-0x000001E0B12B0000-0x000001E0B1362000-memory.dmp

        Filesize

        712KB

      • memory/2128-72-0x000001E0B13B0000-0x000001E0B1400000-memory.dmp

        Filesize

        320KB

      • memory/2128-73-0x000001E0B1360000-0x000001E0B1382000-memory.dmp

        Filesize

        136KB

      • memory/2128-74-0x000001E0985A0000-0x000001E0985AA000-memory.dmp

        Filesize

        40KB

      • memory/2128-78-0x000001E0B1400000-0x000001E0B1700000-memory.dmp

        Filesize

        3.0MB

      • memory/2128-80-0x000001E0B5E50000-0x000001E0B5E58000-memory.dmp

        Filesize

        32KB

      • memory/2128-91-0x000001E0B5F90000-0x000001E0B6006000-memory.dmp

        Filesize

        472KB

      • memory/2128-82-0x000001E0B5760000-0x000001E0B576E000-memory.dmp

        Filesize

        56KB

      • memory/2128-83-0x000001E0B5780000-0x000001E0B5788000-memory.dmp

        Filesize

        32KB

      • memory/2128-84-0x000001E0B5E70000-0x000001E0B5E7A000-memory.dmp

        Filesize

        40KB

      • memory/2128-90-0x000001E0B5E80000-0x000001E0B5E8C000-memory.dmp

        Filesize

        48KB

      • memory/2128-86-0x000001E0B5EA0000-0x000001E0B5EC2000-memory.dmp

        Filesize

        136KB

      • memory/2128-87-0x000001E0B66B0000-0x000001E0B6BD8000-memory.dmp

        Filesize

        5.2MB

      • memory/2480-59-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/2480-62-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/3068-1-0x0000000002DB0000-0x0000000002EB0000-memory.dmp

        Filesize

        1024KB

      • memory/3068-32-0x0000000000400000-0x0000000002B23000-memory.dmp

        Filesize

        39.1MB

      • memory/3068-33-0x0000000002FB0000-0x000000000301C000-memory.dmp

        Filesize

        432KB

      • memory/3068-34-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/3068-13-0x0000000000400000-0x0000000002B23000-memory.dmp

        Filesize

        39.1MB

      • memory/3068-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/3068-2-0x0000000002FB0000-0x000000000301C000-memory.dmp

        Filesize

        432KB