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Analysis

  • max time kernel
    133s
  • max time network
    134s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240426-en
  • resource tags

    arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    06/05/2024, 15:31

General

  • Target

    d85dc7577c5fa14860a3eed57480b65a066c8eb723cbfc07974d897a92f7b26e.exe

  • Size

    416KB

  • MD5

    bbef2a9c47aa5b820bda66cebc8a8444

  • SHA1

    cffba9f2ff82c1d3ac16fd53279ad004841f89d2

  • SHA256

    d85dc7577c5fa14860a3eed57480b65a066c8eb723cbfc07974d897a92f7b26e

  • SHA512

    530a29c97202a9b29fc6c84f685ea4fb0613e1bbddb97ef0a516b21a4a8972ccd183e44b64aa26b110415cf0a93c0615031366c6953c4cf439d40c02d652d464

  • SSDEEP

    12288:V/36Qn32mOgeVztEMz3Jx8fnLd4S3Ntco:t7deXP8fnRTco

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 25 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\d85dc7577c5fa14860a3eed57480b65a066c8eb723cbfc07974d897a92f7b26e.exe
    "C:\Users\Admin\AppData\Local\Temp\d85dc7577c5fa14860a3eed57480b65a066c8eb723cbfc07974d897a92f7b26e.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1636
    • C:\Users\Admin\AppData\Local\Temp\u19g.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u19g.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:1816
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1816 -s 2428
        3⤵
        • Program crash
        PID:3816
    • C:\Users\Admin\AppData\Local\Temp\u19g.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u19g.1.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:1504
      • 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:3884
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1636 -s 492
      2⤵
      • Program crash
      PID:4496
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 1636 -ip 1636
    1⤵
      PID:3268
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 584 -p 1816 -ip 1816
      1⤵
        PID:2052

      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\u19g.0.exe

        Filesize

        274KB

        MD5

        3608b528eb102409d406b2889bc04ee4

        SHA1

        8cf5126e09093bba5976826dc53801dee4921b97

        SHA256

        196a6a77a04399fd9975dbef000af4b9b94eed1585608e021e96e3a308ccc0a9

        SHA512

        9b1a81b3138fc543f597231117eb75f15cc0cb77e2d9bf013a42f2f910677d2f6b0155e63669d1847d89f14931ccd344f5aa9cd78544b94a56873b52c314d48b

      • C:\Users\Admin\AppData\Local\Temp\u19g.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/1504-122-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/1504-140-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/1636-75-0x0000000000400000-0x0000000001A32000-memory.dmp

        Filesize

        22.2MB

      • memory/1636-1-0x0000000001B20000-0x0000000001C20000-memory.dmp

        Filesize

        1024KB

      • memory/1636-76-0x0000000003750000-0x00000000037BC000-memory.dmp

        Filesize

        432KB

      • memory/1636-77-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/1636-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/1636-2-0x0000000003750000-0x00000000037BC000-memory.dmp

        Filesize

        432KB

      • memory/1816-14-0x0000000000400000-0x0000000001A0F000-memory.dmp

        Filesize

        22.1MB

      • memory/1816-13-0x0000000000400000-0x0000000001A0F000-memory.dmp

        Filesize

        22.1MB

      • memory/1816-106-0x0000000000400000-0x0000000001A0F000-memory.dmp

        Filesize

        22.1MB

      • memory/1816-17-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/1816-15-0x0000000000400000-0x0000000001A0F000-memory.dmp

        Filesize

        22.1MB

      • memory/1816-169-0x0000000000400000-0x0000000001A0F000-memory.dmp

        Filesize

        22.1MB

      • memory/3884-144-0x000001D774DC0000-0x000001D774DCC000-memory.dmp

        Filesize

        48KB

      • memory/3884-148-0x000001D774E70000-0x000001D774E9A000-memory.dmp

        Filesize

        168KB

      • memory/3884-142-0x000001D7750E0000-0x000001D7751F0000-memory.dmp

        Filesize

        1.1MB

      • memory/3884-146-0x000001D774E30000-0x000001D774E54000-memory.dmp

        Filesize

        144KB

      • memory/3884-145-0x000001D772D90000-0x000001D772DA4000-memory.dmp

        Filesize

        80KB

      • memory/3884-152-0x000001D7754A0000-0x000001D775516000-memory.dmp

        Filesize

        472KB

      • memory/3884-151-0x000001D7753C0000-0x000001D775422000-memory.dmp

        Filesize

        392KB

      • memory/3884-153-0x000001D772C50000-0x000001D772C5A000-memory.dmp

        Filesize

        40KB

      • memory/3884-157-0x000001D775520000-0x000001D775820000-memory.dmp

        Filesize

        3.0MB

      • memory/3884-150-0x000001D775340000-0x000001D7753BA000-memory.dmp

        Filesize

        488KB

      • memory/3884-149-0x000001D775000000-0x000001D7750B2000-memory.dmp

        Filesize

        712KB

      • memory/3884-143-0x000001D772D80000-0x000001D772D90000-memory.dmp

        Filesize

        64KB

      • memory/3884-147-0x000001D774E60000-0x000001D774E6A000-memory.dmp

        Filesize

        40KB

      • memory/3884-159-0x000001D775480000-0x000001D775488000-memory.dmp

        Filesize

        32KB

      • memory/3884-161-0x000001D779800000-0x000001D77980E000-memory.dmp

        Filesize

        56KB

      • memory/3884-160-0x000001D779840000-0x000001D779878000-memory.dmp

        Filesize

        224KB

      • memory/3884-163-0x000001D77A190000-0x000001D77A1B2000-memory.dmp

        Filesize

        136KB

      • memory/3884-162-0x000001D7798B0000-0x000001D7798BA000-memory.dmp

        Filesize

        40KB

      • memory/3884-164-0x000001D77A6E0000-0x000001D77AC08000-memory.dmp

        Filesize

        5.2MB

      • memory/3884-168-0x000001D779F10000-0x000001D779F1C000-memory.dmp

        Filesize

        48KB

      • memory/3884-167-0x000001D779F60000-0x000001D779FB0000-memory.dmp

        Filesize

        320KB

      • memory/3884-141-0x000001D76EEF0000-0x000001D7727E8000-memory.dmp

        Filesize

        57.0MB

      • memory/3884-170-0x000001D779FB0000-0x000001D779FD2000-memory.dmp

        Filesize

        136KB

      • memory/3884-171-0x000001D779FE0000-0x000001D779FFE000-memory.dmp

        Filesize

        120KB