Analysis

  • max time kernel
    147s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-04-2024 09:48

General

  • Target

    fb0a2456478714c5117e6fea5cc9f4c8db4e58331f4562a1af5c0669fec667fd.exe

  • Size

    359KB

  • MD5

    2d20cd64683222247ee607673dfba78c

  • SHA1

    4fa462bf25da7a60e3d3db59e973d4b422e7cbb5

  • SHA256

    fb0a2456478714c5117e6fea5cc9f4c8db4e58331f4562a1af5c0669fec667fd

  • SHA512

    a7da43f69c0d3b8ffe1d03e8bec7bc014ecf8a35c098804dfefb92e4193ef17574f3d234eed6fb0ec37df8a8c713da101eefab6a53622a772321c02c523f2376

  • SSDEEP

    6144:XnqaECNPTFkBgWFtBaNzFbwhkzp/LU++d0RIxgZk+mGMeja/K5+QEhIo:6a9NPTF8LFt6Jvzp/L2+Ixp1Gxj4KihN

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.209

Attributes
  • url_path

    /3cd2b41cbde8fc9c.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 4 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 3 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.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 27 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 7 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fb0a2456478714c5117e6fea5cc9f4c8db4e58331f4562a1af5c0669fec667fd.exe
    "C:\Users\Admin\AppData\Local\Temp\fb0a2456478714c5117e6fea5cc9f4c8db4e58331f4562a1af5c0669fec667fd.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2132
    • C:\Users\Admin\AppData\Local\Temp\u1n8.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u1n8.0.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4388
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\CBKJKJDBFI.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2124
        • C:\Users\Admin\AppData\Local\Temp\CBKJKJDBFI.exe
          "C:\Users\Admin\AppData\Local\Temp\CBKJKJDBFI.exe"
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:2552
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /C ping 2.2.2.2 -n 1 -w 3000 > Nul & Del C:\Users\Admin\AppData\Local\Temp\CBKJKJDBFI.exe
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:2012
            • C:\Windows\SysWOW64\PING.EXE
              ping 2.2.2.2 -n 1 -w 3000
              6⤵
              • Runs ping.exe
              PID:4336
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4388 -s 2460
        3⤵
        • Program crash
        PID:2508
    • C:\Users\Admin\AppData\Local\Temp\u1n8.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u1n8.1.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:4620
      • 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:2628
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2132 -s 452
      2⤵
      • Program crash
      PID:116
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 2132 -ip 2132
    1⤵
      PID:472
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4388 -ip 4388
      1⤵
        PID:3288

      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\CBKJKJDBFI.exe

        Filesize

        106KB

        MD5

        fe380780b5c35bd6d54541791151c2be

        SHA1

        7fe3a583cf91474c733f85cebf3c857682e269e1

        SHA256

        b64a84d1f88e4e78464a1901c1cb5bbd5f00bb73203d719e64e072157a087b53

        SHA512

        ba05ba8aa13c4bc1cf98fbf6c08b021e8b19354098e0397fc8e1e5d3dcce367c1063203f24e50d0973193f6535681d0a43486e5dade5d112853b7a2fe8739b6c

      • C:\Users\Admin\AppData\Local\Temp\iolo\dm\ioloDMLog.txt

        Filesize

        2KB

        MD5

        84dd4180af79cbd1b70621987f08a13b

        SHA1

        cf49dd3fa70b6712b4d46898eccba6365e41e40f

        SHA256

        7a9318d95cfc64570da926ee37fd31058227b4dde04ae48d3813cdef330042cc

        SHA512

        8fffbfb1a0c4e7df477b85894c73aef9a901e7b4a13332e04b66964d979c4662cd31c1d973a7dfa28916229b348c9c68e6b5b9e180431a64c429bf715281fbec

      • C:\Users\Admin\AppData\Local\Temp\u1n8.0.exe

        Filesize

        218KB

        MD5

        e56c83770da1263eb2f14faee7adc64f

        SHA1

        f720dc655ba9f7449a4d145cab0377353bde8ab1

        SHA256

        218761e370074e320b1f371ff45f203f5b5dbfef76786e2070a0df98ccb08c0f

        SHA512

        22a6460baf44c0768a1a507567ecc2424f6d00a08cc20b51aeb657c9484efcf5014ff42f4ea5a1f4fe2c6eb7b6b982c4cec8a30d0331b68f710575e2dfa65757

      • C:\Users\Admin\AppData\Local\Temp\u1n8.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/2132-1-0x0000000002D70000-0x0000000002E70000-memory.dmp

        Filesize

        1024KB

      • memory/2132-61-0x0000000000400000-0x0000000002B83000-memory.dmp

        Filesize

        39.5MB

      • memory/2132-63-0x0000000002D70000-0x0000000002E70000-memory.dmp

        Filesize

        1024KB

      • memory/2132-13-0x0000000000400000-0x0000000002B83000-memory.dmp

        Filesize

        39.5MB

      • memory/2132-72-0x0000000004810000-0x000000000487C000-memory.dmp

        Filesize

        432KB

      • memory/2132-3-0x0000000000400000-0x0000000002B83000-memory.dmp

        Filesize

        39.5MB

      • memory/2132-2-0x0000000004810000-0x000000000487C000-memory.dmp

        Filesize

        432KB

      • memory/2552-186-0x00000000050C0000-0x00000000050D0000-memory.dmp

        Filesize

        64KB

      • memory/2552-183-0x0000000072870000-0x0000000073020000-memory.dmp

        Filesize

        7.7MB

      • memory/2552-178-0x0000000000770000-0x0000000000790000-memory.dmp

        Filesize

        128KB

      • memory/2552-189-0x0000000072870000-0x0000000073020000-memory.dmp

        Filesize

        7.7MB

      • memory/2628-181-0x000002B081150000-0x000002B08115C000-memory.dmp

        Filesize

        48KB

      • memory/2628-206-0x000002B0E7140000-0x000002B0E714E000-memory.dmp

        Filesize

        56KB

      • memory/2628-222-0x000002B080E70000-0x000002B080E80000-memory.dmp

        Filesize

        64KB

      • memory/2628-221-0x000002B080E70000-0x000002B080E80000-memory.dmp

        Filesize

        64KB

      • memory/2628-220-0x000002B080E70000-0x000002B080E80000-memory.dmp

        Filesize

        64KB

      • memory/2628-219-0x000002B080E70000-0x000002B080E80000-memory.dmp

        Filesize

        64KB

      • memory/2628-217-0x000002B0FFA70000-0x000002B0FFA8E000-memory.dmp

        Filesize

        120KB

      • memory/2628-216-0x00007FFCAC290000-0x00007FFCACD51000-memory.dmp

        Filesize

        10.8MB

      • memory/2628-215-0x000002B0FF9B0000-0x000002B0FF9D2000-memory.dmp

        Filesize

        136KB

      • memory/2628-169-0x000002B0E1CE0000-0x000002B0E55D8000-memory.dmp

        Filesize

        57.0MB

      • memory/2628-170-0x00007FFCAC290000-0x00007FFCACD51000-memory.dmp

        Filesize

        10.8MB

      • memory/2628-214-0x000002B085B80000-0x000002B085B8C000-memory.dmp

        Filesize

        48KB

      • memory/2628-212-0x000002B0FFAF0000-0x000002B0FFB40000-memory.dmp

        Filesize

        320KB

      • memory/2628-179-0x000002B081350000-0x000002B081460000-memory.dmp

        Filesize

        1.1MB

      • memory/2628-213-0x000002B080E70000-0x000002B080E80000-memory.dmp

        Filesize

        64KB

      • memory/2628-180-0x000002B081130000-0x000002B081140000-memory.dmp

        Filesize

        64KB

      • memory/2628-209-0x000002B086F10000-0x000002B087438000-memory.dmp

        Filesize

        5.2MB

      • memory/2628-182-0x000002B081140000-0x000002B081154000-memory.dmp

        Filesize

        80KB

      • memory/2628-208-0x000002B085B60000-0x000002B085B82000-memory.dmp

        Filesize

        136KB

      • memory/2628-184-0x000002B0811B0000-0x000002B0811D4000-memory.dmp

        Filesize

        144KB

      • memory/2628-207-0x000002B085B40000-0x000002B085B4A000-memory.dmp

        Filesize

        40KB

      • memory/2628-205-0x000002B0FF970000-0x000002B0FF9A8000-memory.dmp

        Filesize

        224KB

      • memory/2628-190-0x000002B0811E0000-0x000002B0811EA000-memory.dmp

        Filesize

        40KB

      • memory/2628-191-0x000002B0815A0000-0x000002B081652000-memory.dmp

        Filesize

        712KB

      • memory/2628-192-0x000002B081660000-0x000002B08168A000-memory.dmp

        Filesize

        168KB

      • memory/2628-193-0x000002B081690000-0x000002B08170A000-memory.dmp

        Filesize

        488KB

      • memory/2628-194-0x000002B081710000-0x000002B081772000-memory.dmp

        Filesize

        392KB

      • memory/2628-195-0x000002B0FF9F0000-0x000002B0FFA66000-memory.dmp

        Filesize

        472KB

      • memory/2628-196-0x000002B081220000-0x000002B08122A000-memory.dmp

        Filesize

        40KB

      • memory/2628-200-0x000002B081770000-0x000002B081A70000-memory.dmp

        Filesize

        3.0MB

      • memory/2628-202-0x000002B080E70000-0x000002B080E80000-memory.dmp

        Filesize

        64KB

      • memory/2628-203-0x000002B0E7130000-0x000002B0E7138000-memory.dmp

        Filesize

        32KB

      • memory/2628-204-0x000002B080E70000-0x000002B080E80000-memory.dmp

        Filesize

        64KB

      • memory/4388-43-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/4388-151-0x0000000000400000-0x0000000002B60000-memory.dmp

        Filesize

        39.4MB

      • memory/4388-32-0x0000000002D40000-0x0000000002E40000-memory.dmp

        Filesize

        1024KB

      • memory/4388-33-0x0000000002CC0000-0x0000000002CE7000-memory.dmp

        Filesize

        156KB

      • memory/4388-177-0x0000000000400000-0x0000000002B60000-memory.dmp

        Filesize

        39.4MB

      • memory/4388-37-0x0000000000400000-0x0000000002B60000-memory.dmp

        Filesize

        39.4MB

      • memory/4388-112-0x0000000000400000-0x0000000002B60000-memory.dmp

        Filesize

        39.4MB

      • memory/4388-62-0x0000000000400000-0x0000000002B60000-memory.dmp

        Filesize

        39.4MB

      • memory/4388-146-0x0000000002D40000-0x0000000002E40000-memory.dmp

        Filesize

        1024KB

      • memory/4620-156-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/4620-164-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/4620-64-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/4620-31-0x00000000027B0000-0x00000000027B1000-memory.dmp

        Filesize

        4KB

      • memory/4620-124-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/4620-125-0x00000000027B0000-0x00000000027B1000-memory.dmp

        Filesize

        4KB