Analysis

  • max time kernel
    148s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-05-2024 17:02

General

  • Target

    fe9ce1923dc3bb2d64377509162605fc480127633741104e3996b4c7213ba1da.exe

  • Size

    416KB

  • MD5

    aaabb4c4ac380f6b7c523f0324c3373c

  • SHA1

    22d5981c01e32dec8d50665d869b6d16840d2be4

  • SHA256

    fe9ce1923dc3bb2d64377509162605fc480127633741104e3996b4c7213ba1da

  • SHA512

    9f02326f60e8b2792f152da9088b910ec529873525a04b2fc0d05ae732b2b0eea21e82e65f2817891b6e5a43e7ff09c22116359f9187c23ed1fe230bac501b18

  • SSDEEP

    6144:aG9wXO/32gvPgCN0gydZj2u1O09omacTDTqbWLKLetZ2mrp76:BwQ3zPgCNCdZ5M092b1KDH6

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\fe9ce1923dc3bb2d64377509162605fc480127633741104e3996b4c7213ba1da.exe
    "C:\Users\Admin\AppData\Local\Temp\fe9ce1923dc3bb2d64377509162605fc480127633741104e3996b4c7213ba1da.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:348
    • C:\Users\Admin\AppData\Local\Temp\u9o.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u9o.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:5080
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5080 -s 2404
        3⤵
        • Program crash
        PID:4500
    • C:\Users\Admin\AppData\Local\Temp\u9o.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u9o.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:1600
      • 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:4752
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 348 -s 1032
      2⤵
      • Program crash
      PID:1236
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 348 -ip 348
    1⤵
      PID:4736
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 5080 -ip 5080
      1⤵
        PID:4328

      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

        97c7eb2c069b7d14db2c37c782aa5062

        SHA1

        b3926aff461a858cda819941e0cc1c1fb0d2a1f1

        SHA256

        3ab8a750cf4a7cb9a15a749dd613c2157576c8adb846f4609ad02599d4c9b7f2

        SHA512

        7930247d4ce1b3fb8090f0c37138aab18a80f43f22eae1a14186d24bef7802688965c2617a1ada6563bc0b55689a73b5ffdbe226986412e2a4757f362e0c4f7c

      • C:\Users\Admin\AppData\Local\Temp\u9o.0.exe

        Filesize

        274KB

        MD5

        72650f024358627e959b3e486b30471e

        SHA1

        ff2dd1495fa40008354f3f5b16a51125dc6a56fe

        SHA256

        5d0d85b7fa9992568b57bc90e3e4407d6903388623b7cae8683d04a2c46a62d2

        SHA512

        5f55f6707df28ea668f9edbaf0039ff48acf1f42728ef7dfb455f2e97a757dd7781e962cc6a83070602e0ab3384219bc39832b7af28db2ac8307f5027c9b2aa3

      • C:\Users\Admin\AppData\Local\Temp\u9o.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/348-17-0x0000000000400000-0x0000000002B25000-memory.dmp

        Filesize

        39.1MB

      • memory/348-30-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/348-29-0x0000000000400000-0x0000000002B25000-memory.dmp

        Filesize

        39.1MB

      • memory/348-4-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/348-1-0x0000000000400000-0x0000000002B25000-memory.dmp

        Filesize

        39.1MB

      • memory/348-2-0x0000000002C90000-0x0000000002D90000-memory.dmp

        Filesize

        1024KB

      • memory/348-3-0x0000000002FA0000-0x000000000300C000-memory.dmp

        Filesize

        432KB

      • memory/1600-104-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/4752-153-0x000002A41AC50000-0x000002A41AF50000-memory.dmp

        Filesize

        3.0MB

      • memory/4752-148-0x000002A4803E0000-0x000002A480456000-memory.dmp

        Filesize

        472KB

      • memory/4752-169-0x000002A4803B0000-0x000002A4803CE000-memory.dmp

        Filesize

        120KB

      • memory/4752-130-0x000002A41A8E0000-0x000002A41A9F0000-memory.dmp

        Filesize

        1.1MB

      • memory/4752-132-0x000002A41A680000-0x000002A41A68C000-memory.dmp

        Filesize

        48KB

      • memory/4752-131-0x000002A41A660000-0x000002A41A670000-memory.dmp

        Filesize

        64KB

      • memory/4752-133-0x000002A41A670000-0x000002A41A684000-memory.dmp

        Filesize

        80KB

      • memory/4752-134-0x000002A41A6E0000-0x000002A41A704000-memory.dmp

        Filesize

        144KB

      • memory/4752-140-0x000002A400420000-0x000002A40042A000-memory.dmp

        Filesize

        40KB

      • memory/4752-141-0x000002A41A720000-0x000002A41A7D2000-memory.dmp

        Filesize

        712KB

      • memory/4752-168-0x000002A4804F0000-0x000002A480512000-memory.dmp

        Filesize

        136KB

      • memory/4752-147-0x000002A41ABF0000-0x000002A41AC52000-memory.dmp

        Filesize

        392KB

      • memory/4752-146-0x000002A41ABC0000-0x000002A41ABEA000-memory.dmp

        Filesize

        168KB

      • memory/4752-106-0x000002A47CA60000-0x000002A480358000-memory.dmp

        Filesize

        57.0MB

      • memory/4752-142-0x000002A41AB30000-0x000002A41ABAA000-memory.dmp

        Filesize

        488KB

      • memory/4752-149-0x000002A400430000-0x000002A40043A000-memory.dmp

        Filesize

        40KB

      • memory/4752-164-0x000002A4804A0000-0x000002A4804F0000-memory.dmp

        Filesize

        320KB

      • memory/4752-156-0x000002A480370000-0x000002A480378000-memory.dmp

        Filesize

        32KB

      • memory/4752-158-0x000002A480380000-0x000002A48038E000-memory.dmp

        Filesize

        56KB

      • memory/4752-157-0x000002A480460000-0x000002A480498000-memory.dmp

        Filesize

        224KB

      • memory/4752-160-0x000002A41B2A0000-0x000002A41B2C2000-memory.dmp

        Filesize

        136KB

      • memory/4752-159-0x000002A41B210000-0x000002A41B21A000-memory.dmp

        Filesize

        40KB

      • memory/4752-161-0x000002A420080000-0x000002A4205A8000-memory.dmp

        Filesize

        5.2MB

      • memory/4752-165-0x000002A41B220000-0x000002A41B22C000-memory.dmp

        Filesize

        48KB

      • memory/5080-35-0x0000000000400000-0x0000000002B02000-memory.dmp

        Filesize

        39.0MB

      • memory/5080-167-0x0000000000400000-0x0000000002B02000-memory.dmp

        Filesize

        39.0MB

      • memory/5080-36-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/5080-105-0x0000000000400000-0x0000000002B02000-memory.dmp

        Filesize

        39.0MB