Analysis

  • max time kernel
    144s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/04/2024, 20:02

General

  • Target

    6f2eefd23e33e862207e4b9e91baa29a34ad63aff6e5e76f6aafc747f1b97768.exe

  • Size

    497KB

  • MD5

    faf13222570e0483055345c82dec07da

  • SHA1

    e7fd20c5290201d144010850e37285f09b592dbe

  • SHA256

    6f2eefd23e33e862207e4b9e91baa29a34ad63aff6e5e76f6aafc747f1b97768

  • SHA512

    cdd9106575322ba8498a003c46c4ccab8a1151a8df725695022d294367ac40ed64e3bd883c3e355488d1e6c95385f2e9aaad7c1477390e63431c22ceb043a9fd

  • SSDEEP

    6144:RWSicFcC1yNLlB7N/o+BJkp5QtBfwvUGSx/J1AopaFQve1P2FCLjH:VTFcC1yND7NrcPuBfwvEx/UdR/fH

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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 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 29 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 7 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6f2eefd23e33e862207e4b9e91baa29a34ad63aff6e5e76f6aafc747f1b97768.exe
    "C:\Users\Admin\AppData\Local\Temp\6f2eefd23e33e862207e4b9e91baa29a34ad63aff6e5e76f6aafc747f1b97768.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3004
    • C:\Users\Admin\AppData\Local\Temp\6f2eefd23e33e862207e4b9e91baa29a34ad63aff6e5e76f6aafc747f1b97768.exe
      "C:\Users\Admin\AppData\Local\Temp\6f2eefd23e33e862207e4b9e91baa29a34ad63aff6e5e76f6aafc747f1b97768.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:3016
      • C:\Users\Admin\AppData\Local\Temp\u2bs.0.exe
        "C:\Users\Admin\AppData\Local\Temp\u2bs.0.exe"
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:3024
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\EBFBKFBGII.exe"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:4460
          • C:\Users\Admin\AppData\Local\Temp\EBFBKFBGII.exe
            "C:\Users\Admin\AppData\Local\Temp\EBFBKFBGII.exe"
            5⤵
            • Checks computer location settings
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:4264
            • 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\EBFBKFBGII.exe
              6⤵
              • Suspicious use of WriteProcessMemory
              PID:4884
              • C:\Windows\SysWOW64\PING.EXE
                ping 2.2.2.2 -n 1 -w 3000
                7⤵
                • Runs ping.exe
                PID:4420
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3024 -s 2036
          4⤵
          • Program crash
          PID:1508
      • C:\Users\Admin\AppData\Local\Temp\u2bs.1.exe
        "C:\Users\Admin\AppData\Local\Temp\u2bs.1.exe"
        3⤵
        • 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:2896
        • 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
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:972
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3024 -ip 3024
    1⤵
      PID:4980

    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\EBFBKFBGII.exe

            Filesize

            106KB

            MD5

            fe380780b5c35bd6d54541791151c2be

            SHA1

            7fe3a583cf91474c733f85cebf3c857682e269e1

            SHA256

            b64a84d1f88e4e78464a1901c1cb5bbd5f00bb73203d719e64e072157a087b53

            SHA512

            ba05ba8aa13c4bc1cf98fbf6c08b021e8b19354098e0397fc8e1e5d3dcce367c1063203f24e50d0973193f6535681d0a43486e5dade5d112853b7a2fe8739b6c

          • C:\Users\Admin\AppData\Local\Temp\u2bs.0.exe

            Filesize

            355KB

            MD5

            9c295711d75051eda0aa83d5bc7cb057

            SHA1

            465565e5fd3ca98729976fc8acd033a6c83cb2e8

            SHA256

            350de8b4c366145b341d82d77a488a18483f893f3c1853f88c32608ffc912c5a

            SHA512

            82e3645074fb846f6cbbac52f01f6f7335e83b45ed9cb66bb1cd31f87da767e9da0d7afd63dc50269344cd7bbf609deef0eee64b5c5e7ba462a6609e2e0e7380

          • C:\Users\Admin\AppData\Local\Temp\u2bs.1.exe

            Filesize

            4.6MB

            MD5

            397926927bca55be4a77839b1c44de6e

            SHA1

            e10f3434ef3021c399dbba047832f02b3c898dbd

            SHA256

            4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

            SHA512

            cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

          • memory/972-175-0x00000262F84E0000-0x00000262F84EC000-memory.dmp

            Filesize

            48KB

          • memory/972-145-0x00000262F2BD0000-0x00000262F2BE0000-memory.dmp

            Filesize

            64KB

          • memory/972-211-0x00000262F2C50000-0x00000262F2C60000-memory.dmp

            Filesize

            64KB

          • memory/972-210-0x00000262F2C50000-0x00000262F2C60000-memory.dmp

            Filesize

            64KB

          • memory/972-209-0x00000262F2C50000-0x00000262F2C60000-memory.dmp

            Filesize

            64KB

          • memory/972-208-0x00000262F2C50000-0x00000262F2C60000-memory.dmp

            Filesize

            64KB

          • memory/972-203-0x00000262F2C50000-0x00000262F2C60000-memory.dmp

            Filesize

            64KB

          • memory/972-200-0x00007FFE68200000-0x00007FFE68CC1000-memory.dmp

            Filesize

            10.8MB

          • memory/972-177-0x00000262F85B0000-0x00000262F85CE000-memory.dmp

            Filesize

            120KB

          • memory/972-176-0x00000262F8580000-0x00000262F85A2000-memory.dmp

            Filesize

            136KB

          • memory/972-173-0x00000262F8530000-0x00000262F8580000-memory.dmp

            Filesize

            320KB

          • memory/972-174-0x00000262F2C50000-0x00000262F2C60000-memory.dmp

            Filesize

            64KB

          • memory/972-170-0x00000262F8CB0000-0x00000262F91D8000-memory.dmp

            Filesize

            5.2MB

          • memory/972-140-0x00007FFE68200000-0x00007FFE68CC1000-memory.dmp

            Filesize

            10.8MB

          • memory/972-141-0x00000262EB570000-0x00000262EEE68000-memory.dmp

            Filesize

            57.0MB

          • memory/972-159-0x00000262F3300000-0x00000262F3600000-memory.dmp

            Filesize

            3.0MB

          • memory/972-143-0x00000262F2C50000-0x00000262F2C60000-memory.dmp

            Filesize

            64KB

          • memory/972-144-0x00000262F2E20000-0x00000262F2F30000-memory.dmp

            Filesize

            1.1MB

          • memory/972-161-0x00000262F6F00000-0x00000262F6F08000-memory.dmp

            Filesize

            32KB

          • memory/972-146-0x00000262F2C00000-0x00000262F2C0C000-memory.dmp

            Filesize

            48KB

          • memory/972-147-0x00000262F0CD0000-0x00000262F0CE4000-memory.dmp

            Filesize

            80KB

          • memory/972-148-0x00000262F2C60000-0x00000262F2C84000-memory.dmp

            Filesize

            144KB

          • memory/972-149-0x00000262F2C80000-0x00000262F2C8A000-memory.dmp

            Filesize

            40KB

          • memory/972-151-0x00000262F3070000-0x00000262F3122000-memory.dmp

            Filesize

            712KB

          • memory/972-150-0x00000262F2CA0000-0x00000262F2CCA000-memory.dmp

            Filesize

            168KB

          • memory/972-152-0x00000262F3120000-0x00000262F319A000-memory.dmp

            Filesize

            488KB

          • memory/972-153-0x00000262F31A0000-0x00000262F3202000-memory.dmp

            Filesize

            392KB

          • memory/972-154-0x00000262F3280000-0x00000262F32F6000-memory.dmp

            Filesize

            472KB

          • memory/972-168-0x00000262F7690000-0x00000262F769A000-memory.dmp

            Filesize

            40KB

          • memory/972-169-0x00000262F8760000-0x00000262F8782000-memory.dmp

            Filesize

            136KB

          • memory/972-155-0x00000262F2C90000-0x00000262F2C9A000-memory.dmp

            Filesize

            40KB

          • memory/972-167-0x00000262F75D0000-0x00000262F75DE000-memory.dmp

            Filesize

            56KB

          • memory/972-163-0x00000262F2C50000-0x00000262F2C60000-memory.dmp

            Filesize

            64KB

          • memory/972-164-0x00000262F2C50000-0x00000262F2C60000-memory.dmp

            Filesize

            64KB

          • memory/972-165-0x00000262F2C50000-0x00000262F2C60000-memory.dmp

            Filesize

            64KB

          • memory/972-166-0x00000262F7610000-0x00000262F7648000-memory.dmp

            Filesize

            224KB

          • memory/2896-31-0x00000000027B0000-0x00000000027B1000-memory.dmp

            Filesize

            4KB

          • memory/2896-139-0x0000000000400000-0x00000000008AD000-memory.dmp

            Filesize

            4.7MB

          • memory/2896-127-0x0000000000400000-0x00000000008AD000-memory.dmp

            Filesize

            4.7MB

          • memory/3004-2-0x0000000002240000-0x00000000022AD000-memory.dmp

            Filesize

            436KB

          • memory/3004-1-0x00000000007A0000-0x00000000008A0000-memory.dmp

            Filesize

            1024KB

          • memory/3016-4-0x0000000000400000-0x000000000046E000-memory.dmp

            Filesize

            440KB

          • memory/3016-28-0x0000000000400000-0x000000000046E000-memory.dmp

            Filesize

            440KB

          • memory/3016-3-0x0000000000400000-0x000000000046E000-memory.dmp

            Filesize

            440KB

          • memory/3016-5-0x0000000000400000-0x000000000046E000-memory.dmp

            Filesize

            440KB

          • memory/3016-6-0x0000000000400000-0x000000000046E000-memory.dmp

            Filesize

            440KB

          • memory/3024-27-0x0000000002240000-0x0000000002267000-memory.dmp

            Filesize

            156KB

          • memory/3024-142-0x0000000002240000-0x0000000002267000-memory.dmp

            Filesize

            156KB

          • memory/3024-40-0x0000000061E00000-0x0000000061EF3000-memory.dmp

            Filesize

            972KB

          • memory/3024-24-0x00000000007A0000-0x00000000008A0000-memory.dmp

            Filesize

            1024KB

          • memory/3024-205-0x0000000000400000-0x000000000063B000-memory.dmp

            Filesize

            2.2MB

          • memory/3024-126-0x0000000000400000-0x000000000063B000-memory.dmp

            Filesize

            2.2MB

          • memory/3024-30-0x0000000000400000-0x000000000063B000-memory.dmp

            Filesize

            2.2MB

          • memory/3024-188-0x0000000000400000-0x000000000063B000-memory.dmp

            Filesize

            2.2MB

          • memory/3024-162-0x00000000007A0000-0x00000000008A0000-memory.dmp

            Filesize

            1024KB

          • memory/4264-201-0x0000000000C40000-0x0000000000C60000-memory.dmp

            Filesize

            128KB

          • memory/4264-202-0x0000000072130000-0x00000000728E0000-memory.dmp

            Filesize

            7.7MB

          • memory/4264-207-0x0000000072130000-0x00000000728E0000-memory.dmp

            Filesize

            7.7MB