Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-05-2024 10:29

General

  • Target

    28954c85b47c4ad04f55b9ca68e264e214520faefcca1e998753f0867676f867.exe

  • Size

    411KB

  • MD5

    935126760cb376d1b58462c92f22d2a4

  • SHA1

    4f064c43585fe97c2fd3721732f11445a87d7690

  • SHA256

    28954c85b47c4ad04f55b9ca68e264e214520faefcca1e998753f0867676f867

  • SHA512

    c29587ff4b73812e4f0bbfac495c201e905883dbf74ffa94167de676ff480bb00a57df454bc63f0a9af1a6339ef34fdda8409a8e95f30181a60fb5c02ee782ee

  • SSDEEP

    6144:uLmorbLzyLZ9sZ87lJCqaVmskIctWoPvz/tquYnwuyS3pYea5f31pY:uqo/DZ8jN6LNu/8uYmfvY

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 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\28954c85b47c4ad04f55b9ca68e264e214520faefcca1e998753f0867676f867.exe
    "C:\Users\Admin\AppData\Local\Temp\28954c85b47c4ad04f55b9ca68e264e214520faefcca1e998753f0867676f867.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:552
    • C:\Users\Admin\AppData\Local\Temp\ufc.0.exe
      "C:\Users\Admin\AppData\Local\Temp\ufc.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:4016
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4016 -s 2008
        3⤵
        • Program crash
        PID:4264
    • C:\Users\Admin\AppData\Local\Temp\ufc.1.exe
      "C:\Users\Admin\AppData\Local\Temp\ufc.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:3496
      • 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:3424
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 552 -s 1152
      2⤵
      • Program crash
      PID:544
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 552 -ip 552
    1⤵
      PID:2024
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4016 -ip 4016
      1⤵
        PID:3164

      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

        be53a615da2e43296ff625f22ba364cb

        SHA1

        58443d57270d7326a5ffb709b44923130c19beb6

        SHA256

        215521f828e144ed2351af58de0913ba50e21fe8e20ba1d93beb9716cde69a98

        SHA512

        0bce8aa88750e7aaec3560d1c10a30749c50aa503c981263bca9059b9a635499c7dce3907333d5a1af0d62be78b4a54a9f8353bfc8f62d36e11ea850456b1fff

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

        Filesize

        230KB

        MD5

        3fb9035368d04ac2ac3adab9ce20d61c

        SHA1

        d1b8c0ff81ea938bd8d33fa429f057f3a6fe8795

        SHA256

        566cda535fe8f8c0d3477479b7f3b6621204b3de2724da2a7cf3aedd52a0a9df

        SHA512

        f13b40137f21e93f336910dc6e739936ba3283d5b682f6b54c41a87ee8ddda853e8d5cb15439b785db18b1422d995fb9a126c5f1af0c2c4134e948f1305c51c3

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

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/552-2-0x0000000003010000-0x000000000307D000-memory.dmp

        Filesize

        436KB

      • memory/552-1-0x0000000002ED0000-0x0000000002FD0000-memory.dmp

        Filesize

        1024KB

      • memory/552-28-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/552-27-0x0000000000400000-0x0000000002C49000-memory.dmp

        Filesize

        40.3MB

      • memory/552-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/3424-147-0x0000021673330000-0x0000021673338000-memory.dmp

        Filesize

        32KB

      • memory/3424-142-0x000002166EFE0000-0x000002166F2E0000-memory.dmp

        Filesize

        3.0MB

      • memory/3424-157-0x0000021674260000-0x000002167427E000-memory.dmp

        Filesize

        120KB

      • memory/3424-156-0x0000021674310000-0x0000021674386000-memory.dmp

        Filesize

        472KB

      • memory/3424-128-0x000002166EBE0000-0x000002166ECEA000-memory.dmp

        Filesize

        1.0MB

      • memory/3424-129-0x0000021654860000-0x0000021654870000-memory.dmp

        Filesize

        64KB

      • memory/3424-130-0x000002166E9E0000-0x000002166E9EC000-memory.dmp

        Filesize

        48KB

      • memory/3424-131-0x000002166E9D0000-0x000002166E9E4000-memory.dmp

        Filesize

        80KB

      • memory/3424-132-0x000002166EA40000-0x000002166EA64000-memory.dmp

        Filesize

        144KB

      • memory/3424-133-0x000002166EA70000-0x000002166EA7A000-memory.dmp

        Filesize

        40KB

      • memory/3424-134-0x000002166EE30000-0x000002166EE5A000-memory.dmp

        Filesize

        168KB

      • memory/3424-135-0x000002166EE60000-0x000002166EF12000-memory.dmp

        Filesize

        712KB

      • memory/3424-136-0x000002166EF60000-0x000002166EFB0000-memory.dmp

        Filesize

        320KB

      • memory/3424-137-0x000002166EFB0000-0x000002166EFD2000-memory.dmp

        Filesize

        136KB

      • memory/3424-138-0x000002166EA80000-0x000002166EA8A000-memory.dmp

        Filesize

        40KB

      • memory/3424-78-0x000002164F450000-0x0000021652C84000-memory.dmp

        Filesize

        56.2MB

      • memory/3424-144-0x0000021673040000-0x0000021673048000-memory.dmp

        Filesize

        32KB

      • memory/3424-145-0x0000021673340000-0x0000021673378000-memory.dmp

        Filesize

        224KB

      • memory/3424-146-0x0000021673310000-0x000002167331E000-memory.dmp

        Filesize

        56KB

      • memory/3424-155-0x0000021674220000-0x000002167422C000-memory.dmp

        Filesize

        48KB

      • memory/3424-149-0x00000216744A0000-0x00000216744AA000-memory.dmp

        Filesize

        40KB

      • memory/3424-151-0x0000021674520000-0x0000021674542000-memory.dmp

        Filesize

        136KB

      • memory/3424-150-0x00000216744C0000-0x0000021674522000-memory.dmp

        Filesize

        392KB

      • memory/3424-152-0x0000021674A70000-0x0000021674F98000-memory.dmp

        Filesize

        5.2MB

      • memory/3496-61-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/3496-48-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/4016-148-0x0000000000400000-0x0000000002575000-memory.dmp

        Filesize

        33.5MB

      • memory/4016-49-0x0000000000400000-0x0000000002575000-memory.dmp

        Filesize

        33.5MB

      • memory/4016-62-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/4016-163-0x0000000000400000-0x0000000002575000-memory.dmp

        Filesize

        33.5MB

      • memory/4016-173-0x0000000000400000-0x0000000002575000-memory.dmp

        Filesize

        33.5MB