Analysis

  • max time kernel
    137s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-05-2024 01:20

General

  • Target

    97d31daa731806026e50a454986e0b1df51ec32176d930e9bc1c16efffaec74e.exe

  • Size

    416KB

  • MD5

    3517d1ac47167fcc3afbdb4a21a9fcb9

  • SHA1

    5633d62cd097e5a15b12d98dff9939a418895edc

  • SHA256

    97d31daa731806026e50a454986e0b1df51ec32176d930e9bc1c16efffaec74e

  • SHA512

    295cae5dfdbefd058f27ce0a52cec6051898db7636940e4a00e06b74503f4d7f2953c0893d5ad960ca005581f9d170df6fba6fd112f4c1e1a626b4910f42c3d3

  • SSDEEP

    6144:xNDSLZK+bH6tSYLDidexnCihNJnrWXy1JFIHbP3ShohW90K:LSLZKK/dCCibRz4PiLaK

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#.

  • Detect binaries embedding considerable number of MFA browser extension IDs. 2 IoCs
  • Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs. 2 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 2 IoCs
  • Detects encrypted or obfuscated .NET executables 1 IoCs
  • 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 30 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\97d31daa731806026e50a454986e0b1df51ec32176d930e9bc1c16efffaec74e.exe
    "C:\Users\Admin\AppData\Local\Temp\97d31daa731806026e50a454986e0b1df51ec32176d930e9bc1c16efffaec74e.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3124
    • C:\Users\Admin\AppData\Local\Temp\u2es.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u2es.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:1476
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1476 -s 2396
        3⤵
        • Program crash
        PID:712
    • C:\Users\Admin\AppData\Local\Temp\u2es.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u2es.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:2752
      • 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:3664
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3124 -s 1152
      2⤵
      • Program crash
      PID:3728
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3124 -ip 3124
    1⤵
      PID:3980
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 1476 -ip 1476
      1⤵
        PID:2068

      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

        3KB

        MD5

        4e2919a607d33f48194b4315a6dc2b50

        SHA1

        0d26d11a6e587af4d9548257e43d34b7903ebfed

        SHA256

        7d96d3cebbc153c4548dfdcb27c01b219d09e92f4bbd120846120b2ba456fc0a

        SHA512

        aaa28ea5a11953c5645ae72772a57ccbe9876aabc5e02dcdfe86e3e036fa6ec9cc7d90dfc9b65aff5e728959194850b1bcd05e2182f0b9e2df8e9e2618258c7e

      • C:\Users\Admin\AppData\Local\Temp\u2es.0.exe

        Filesize

        274KB

        MD5

        fae96a12ae35c2243801206ca089798d

        SHA1

        52b8769b202701900f03c386623232ee23fb90d3

        SHA256

        1b32e30cfeea17e7f29f8c907c42cafc3a18da4306007b5c5bc38cb6bb4f1750

        SHA512

        7a3d2284145b98b8db779e1a941f48125fd3fee00dc147fb6a2c0ecf0840b9c52973930871182e402726878de2bfb0dd7e4d64396e4280700511e2ac81aa7abe

      • C:\Users\Admin\AppData\Local\Temp\u2es.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/1476-169-0x0000000000400000-0x0000000002B02000-memory.dmp

        Filesize

        39.0MB

      • memory/1476-91-0x0000000000400000-0x0000000002B02000-memory.dmp

        Filesize

        39.0MB

      • memory/1476-92-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/1476-168-0x0000000000400000-0x0000000002B02000-memory.dmp

        Filesize

        39.0MB

      • memory/2752-50-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/2752-61-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/3124-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/3124-32-0x0000000000400000-0x0000000002B25000-memory.dmp

        Filesize

        39.1MB

      • memory/3124-33-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/3124-13-0x0000000000400000-0x0000000002B25000-memory.dmp

        Filesize

        39.1MB

      • memory/3124-2-0x0000000002DD0000-0x0000000002E3C000-memory.dmp

        Filesize

        432KB

      • memory/3124-1-0x0000000002E80000-0x0000000002F80000-memory.dmp

        Filesize

        1024KB

      • memory/3664-71-0x0000023AA4A60000-0x0000023AA4ADA000-memory.dmp

        Filesize

        488KB

      • memory/3664-84-0x0000023AAA380000-0x0000023AAA3A2000-memory.dmp

        Filesize

        136KB

      • memory/3664-69-0x0000023AA4D60000-0x0000023AA4E12000-memory.dmp

        Filesize

        712KB

      • memory/3664-72-0x0000023A8B0C0000-0x0000023A8B122000-memory.dmp

        Filesize

        392KB

      • memory/3664-73-0x0000023AA4E90000-0x0000023AA4F06000-memory.dmp

        Filesize

        472KB

      • memory/3664-74-0x0000023A89740000-0x0000023A8974A000-memory.dmp

        Filesize

        40KB

      • memory/3664-78-0x0000023AA4F10000-0x0000023AA5210000-memory.dmp

        Filesize

        3.0MB

      • memory/3664-80-0x0000023AA98D0000-0x0000023AA98D8000-memory.dmp

        Filesize

        32KB

      • memory/3664-81-0x0000023AA9210000-0x0000023AA9248000-memory.dmp

        Filesize

        224KB

      • memory/3664-82-0x0000023AA91E0000-0x0000023AA91EE000-memory.dmp

        Filesize

        56KB

      • memory/3664-83-0x0000023AAA370000-0x0000023AAA37A000-memory.dmp

        Filesize

        40KB

      • memory/3664-70-0x0000023A8B090000-0x0000023A8B0BA000-memory.dmp

        Filesize

        168KB

      • memory/3664-85-0x0000023AAA8D0000-0x0000023AAADF8000-memory.dmp

        Filesize

        5.2MB

      • memory/3664-88-0x0000023AAA140000-0x0000023AAA190000-memory.dmp

        Filesize

        320KB

      • memory/3664-89-0x0000023AAA0F0000-0x0000023AAA0FC000-memory.dmp

        Filesize

        48KB

      • memory/3664-90-0x0000023AAA190000-0x0000023AAA1B2000-memory.dmp

        Filesize

        136KB

      • memory/3664-68-0x0000023A89730000-0x0000023A8973A000-memory.dmp

        Filesize

        40KB

      • memory/3664-67-0x0000023A8B000000-0x0000023A8B024000-memory.dmp

        Filesize

        144KB

      • memory/3664-134-0x0000023AA5230000-0x0000023AA524E000-memory.dmp

        Filesize

        120KB

      • memory/3664-66-0x0000023A8AF90000-0x0000023A8AFA4000-memory.dmp

        Filesize

        80KB

      • memory/3664-65-0x0000023A8AFA0000-0x0000023A8AFAC000-memory.dmp

        Filesize

        48KB

      • memory/3664-64-0x0000023A897D0000-0x0000023A897E0000-memory.dmp

        Filesize

        64KB

      • memory/3664-63-0x0000023AA4B10000-0x0000023AA4C20000-memory.dmp

        Filesize

        1.1MB

      • memory/3664-62-0x0000023A85A40000-0x0000023A89338000-memory.dmp

        Filesize

        57.0MB