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Analysis

  • max time kernel
    128s
  • max time network
    130s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240426-en
  • resource tags

    arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    11/05/2024, 11:44

General

  • Target

    7954fe796c7bdfd2286b9c29349d8f349f02a0cb53e19bb5bbeaef65108f9e33.exe

  • Size

    386KB

  • MD5

    258e2128803910f3b69a21d5bae342c4

  • SHA1

    fa9bb27e5804e43b268f063b69d40d8b9d6e05fc

  • SHA256

    7954fe796c7bdfd2286b9c29349d8f349f02a0cb53e19bb5bbeaef65108f9e33

  • SHA512

    03027a8add75e227870f8db62472807709c7343be3376b8791c38c94a2f6a22859da21c6c2672e65a6ca1e9e697a6c63d094b1d03ff7ad150c1f52ff31cbcd42

  • SSDEEP

    6144:TcykrZfMtgEBXGx0Xy5gul0n4Qgf3ONjMMejZxxXx+0jTw3F:TcyktfW/tXZbgf3ONj7elxJw3F

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\7954fe796c7bdfd2286b9c29349d8f349f02a0cb53e19bb5bbeaef65108f9e33.exe
    "C:\Users\Admin\AppData\Local\Temp\7954fe796c7bdfd2286b9c29349d8f349f02a0cb53e19bb5bbeaef65108f9e33.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2968
    • C:\Users\Admin\AppData\Local\Temp\u2ag.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u2ag.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:2712
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2712 -s 2400
        3⤵
        • Program crash
        PID:4580
    • C:\Users\Admin\AppData\Local\Temp\u2ag.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u2ag.1.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:3140
      • 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:3460
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2968 -s 1052
      2⤵
      • Program crash
      PID:748
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2968 -ip 2968
    1⤵
      PID:3720
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2712 -ip 2712
      1⤵
        PID:2860

      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

        2KB

        MD5

        225e6a17a1170e2c95e13cb9ba5000cd

        SHA1

        04ddff9e880cdd5f2c8e780691085e622fe68fe8

        SHA256

        71cc5ec4c464da83e84728732b4f5a020109dec468c2fc9bd3445a6d2cfb99d1

        SHA512

        93313e40795130221b422bf89995c6126562e2ec4580080e5dbe97bd59a1fa0cde8155b551e36312f8f84b76175a76e777cfe7141e7721a7039ca4aa66f47b15

      • C:\Users\Admin\AppData\Local\Temp\u2ag.0.exe

        Filesize

        245KB

        MD5

        c367bb32189579c56bf39dca67f62869

        SHA1

        8f82da4069c9ad6859a457b550369db21c284423

        SHA256

        6bfc504449a39316188b90599aa225fef46e6be74d2283725f48bcb2860ec1ca

        SHA512

        a69e2e46475f73fe8bde1ab58a1e48afac1bc7a5cb43093ebcde397cb4086e1f529fd38d534e8da5c0d268e66fe5836a25746f41cbd3293e54cd5dd8cc246dc5

      • C:\Users\Admin\AppData\Local\Temp\u2ag.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/2712-117-0x0000000000400000-0x000000000257A000-memory.dmp

        Filesize

        33.5MB

      • memory/2712-22-0x0000000000400000-0x000000000257A000-memory.dmp

        Filesize

        33.5MB

      • memory/2712-169-0x0000000000400000-0x000000000257A000-memory.dmp

        Filesize

        33.5MB

      • memory/2712-13-0x0000000000400000-0x000000000257A000-memory.dmp

        Filesize

        33.5MB

      • memory/2712-29-0x0000000000400000-0x000000000257A000-memory.dmp

        Filesize

        33.5MB

      • memory/2712-38-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/2968-30-0x0000000000400000-0x000000000259D000-memory.dmp

        Filesize

        33.6MB

      • memory/2968-31-0x00000000042D0000-0x000000000433C000-memory.dmp

        Filesize

        432KB

      • memory/2968-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/2968-1-0x00000000027F0000-0x00000000028F0000-memory.dmp

        Filesize

        1024KB

      • memory/2968-32-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/2968-2-0x00000000042D0000-0x000000000433C000-memory.dmp

        Filesize

        432KB

      • memory/3140-129-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/3140-130-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/3460-138-0x000002BBB6410000-0x000002BBB641C000-memory.dmp

        Filesize

        48KB

      • memory/3460-155-0x000002BBB6B30000-0x000002BBB6E30000-memory.dmp

        Filesize

        3.0MB

      • memory/3460-139-0x000002BB9C4F0000-0x000002BB9C504000-memory.dmp

        Filesize

        80KB

      • memory/3460-137-0x000002BB9C3C0000-0x000002BB9C3D0000-memory.dmp

        Filesize

        64KB

      • memory/3460-136-0x000002BBB6680000-0x000002BBB678A000-memory.dmp

        Filesize

        1.0MB

      • memory/3460-145-0x000002BBB6940000-0x000002BBB694A000-memory.dmp

        Filesize

        40KB

      • memory/3460-148-0x000002BBB6AB0000-0x000002BBB6B00000-memory.dmp

        Filesize

        320KB

      • memory/3460-147-0x000002BBB6A30000-0x000002BBB6A5A000-memory.dmp

        Filesize

        168KB

      • memory/3460-146-0x000002BBB6970000-0x000002BBB6A22000-memory.dmp

        Filesize

        712KB

      • memory/3460-149-0x000002BBB6B00000-0x000002BBB6B22000-memory.dmp

        Filesize

        136KB

      • memory/3460-151-0x000002BB9C510000-0x000002BB9C51A000-memory.dmp

        Filesize

        40KB

      • memory/3460-140-0x000002BBB67D0000-0x000002BBB67F4000-memory.dmp

        Filesize

        144KB

      • memory/3460-159-0x000002BBBAEB0000-0x000002BBBAEBE000-memory.dmp

        Filesize

        56KB

      • memory/3460-160-0x000002BBBAED0000-0x000002BBBAED8000-memory.dmp

        Filesize

        32KB

      • memory/3460-158-0x000002BBBAEE0000-0x000002BBBAF18000-memory.dmp

        Filesize

        224KB

      • memory/3460-162-0x000002BBBB830000-0x000002BBBB892000-memory.dmp

        Filesize

        392KB

      • memory/3460-161-0x000002BBBB570000-0x000002BBBB57A000-memory.dmp

        Filesize

        40KB

      • memory/3460-163-0x000002BBBB890000-0x000002BBBB8B2000-memory.dmp

        Filesize

        136KB

      • memory/3460-157-0x000002BBBB560000-0x000002BBBB568000-memory.dmp

        Filesize

        32KB

      • memory/3460-164-0x000002BBBBDE0000-0x000002BBBC308000-memory.dmp

        Filesize

        5.2MB

      • memory/3460-167-0x000002BBBB5A0000-0x000002BBBB5AC000-memory.dmp

        Filesize

        48KB

      • memory/3460-168-0x000002BBBB980000-0x000002BBBB9F6000-memory.dmp

        Filesize

        472KB

      • memory/3460-131-0x000002BB98710000-0x000002BB9BF44000-memory.dmp

        Filesize

        56.2MB

      • memory/3460-170-0x000002BBBB8E0000-0x000002BBBB8FE000-memory.dmp

        Filesize

        120KB