Analysis

  • max time kernel
    142s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-05-2024 19:47

General

  • Target

    8ca9e0b528d5b1b32b44c66c1be4b2ad58b9fc62d51fe93b781daf3d6cdcac60.exe

  • Size

    373KB

  • MD5

    d295c86b5bab9f473972497564e6d210

  • SHA1

    4cc03c19785386a26530bfc5bdfb2763e4720802

  • SHA256

    8ca9e0b528d5b1b32b44c66c1be4b2ad58b9fc62d51fe93b781daf3d6cdcac60

  • SHA512

    e3a2af95227825d38cf2b321dd75402c979025b06df1f0b20cf6dc761c27e22b880aba90ae25beaf3c407dfb183fec1aa5c87d01c4aef666701730eb3e944154

  • SSDEEP

    6144:AgXLk9lsA7WNFchU6wxpMoyZVn4lt2DSTZATjxhNUP2uxZ698Obd3Tuto6:AgXLk91ar1rKRn4lAQ+1hNUOr9HxuS6

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 28 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\8ca9e0b528d5b1b32b44c66c1be4b2ad58b9fc62d51fe93b781daf3d6cdcac60.exe
    "C:\Users\Admin\AppData\Local\Temp\8ca9e0b528d5b1b32b44c66c1be4b2ad58b9fc62d51fe93b781daf3d6cdcac60.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2456
    • C:\Users\Admin\AppData\Local\Temp\u1w8.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u1w8.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:1608
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1608 -s 2024
        3⤵
        • Program crash
        PID:916
    • C:\Users\Admin\AppData\Local\Temp\u1w8.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u1w8.1.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:2872
      • 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:4404
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2456 -s 692
      2⤵
      • Program crash
      PID:3060
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2456 -ip 2456
    1⤵
      PID:1864
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 1608 -ip 1608
      1⤵
        PID:4424

      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\u1w8.0.exe

        Filesize

        231KB

        MD5

        6d6e316e6aff81b70218dbb96f2b34e0

        SHA1

        e320424a38cfd7b83473a59c948c4e937c881ee0

        SHA256

        13acc2397bc1d50a9d679443eb7def41878ce745433da8b4f52f5e59635183e0

        SHA512

        f800059686ac9f2ce1eaa04034787f07dd06a718da5a16d0205b5264cc96cf2a9b965c9566b5849194f14b255da8c0cf737a60266e92f142f2a64a884979c519

      • C:\Users\Admin\AppData\Local\Temp\u1w8.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/1608-51-0x0000000000400000-0x0000000002576000-memory.dmp

        Filesize

        33.5MB

      • memory/1608-66-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/1608-170-0x0000000000400000-0x0000000002576000-memory.dmp

        Filesize

        33.5MB

      • memory/2456-12-0x0000000000400000-0x0000000002599000-memory.dmp

        Filesize

        33.6MB

      • memory/2456-28-0x0000000000400000-0x0000000002599000-memory.dmp

        Filesize

        33.6MB

      • memory/2456-29-0x0000000004200000-0x000000000426C000-memory.dmp

        Filesize

        432KB

      • memory/2456-30-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/2456-1-0x0000000002760000-0x0000000002860000-memory.dmp

        Filesize

        1024KB

      • memory/2456-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/2456-2-0x0000000004200000-0x000000000426C000-memory.dmp

        Filesize

        432KB

      • memory/2872-61-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/2872-64-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/4404-105-0x000001FE70F80000-0x000001FE70FAA000-memory.dmp

        Filesize

        168KB

      • memory/4404-124-0x000001FE75810000-0x000001FE75818000-memory.dmp

        Filesize

        32KB

      • memory/4404-106-0x000001FE71350000-0x000001FE71402000-memory.dmp

        Filesize

        712KB

      • memory/4404-92-0x000001FE57790000-0x000001FE577A4000-memory.dmp

        Filesize

        80KB

      • memory/4404-107-0x000001FE71450000-0x000001FE714A0000-memory.dmp

        Filesize

        320KB

      • memory/4404-108-0x000001FE714A0000-0x000001FE714C2000-memory.dmp

        Filesize

        136KB

      • memory/4404-104-0x000001FE577C0000-0x000001FE577CA000-memory.dmp

        Filesize

        40KB

      • memory/4404-112-0x000001FE70F70000-0x000001FE70F7A000-memory.dmp

        Filesize

        40KB

      • memory/4404-116-0x000001FE714D0000-0x000001FE717D0000-memory.dmp

        Filesize

        3.0MB

      • memory/4404-121-0x000001FE75EE0000-0x000001FE75EE8000-memory.dmp

        Filesize

        32KB

      • memory/4404-123-0x000001FE757F0000-0x000001FE757FE000-memory.dmp

        Filesize

        56KB

      • memory/4404-90-0x000001FE55E20000-0x000001FE55E30000-memory.dmp

        Filesize

        64KB

      • memory/4404-128-0x000001FE76990000-0x000001FE7699A000-memory.dmp

        Filesize

        40KB

      • memory/4404-130-0x000001FE76710000-0x000001FE76732000-memory.dmp

        Filesize

        136KB

      • memory/4404-129-0x000001FE769B0000-0x000001FE76A12000-memory.dmp

        Filesize

        392KB

      • memory/4404-122-0x000001FE75820000-0x000001FE75858000-memory.dmp

        Filesize

        224KB

      • memory/4404-131-0x000001FE76F40000-0x000001FE77468000-memory.dmp

        Filesize

        5.2MB

      • memory/4404-134-0x000001FE76730000-0x000001FE7673C000-memory.dmp

        Filesize

        48KB

      • memory/4404-135-0x000001FE76810000-0x000001FE76886000-memory.dmp

        Filesize

        472KB

      • memory/4404-94-0x000001FE70F50000-0x000001FE70F74000-memory.dmp

        Filesize

        144KB

      • memory/4404-91-0x000001FE577A0000-0x000001FE577AC000-memory.dmp

        Filesize

        48KB

      • memory/4404-84-0x000001FE71100000-0x000001FE7120A000-memory.dmp

        Filesize

        1.0MB

      • memory/4404-168-0x000001FE717F0000-0x000001FE7180E000-memory.dmp

        Filesize

        120KB

      • memory/4404-65-0x000001FE521F0000-0x000001FE55A24000-memory.dmp

        Filesize

        56.2MB