Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240508-en
  • resource tags

    arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    10-05-2024 00:05

General

  • Target

    e17edf1aa1f85fc93c6811632e18fd1c2775412a847640eb3e915624c2986532.exe

  • Size

    384KB

  • MD5

    abc8dd5218a66937e736989908fca7ad

  • SHA1

    7a56d24bacb934c71e500b429fb8a0020322551c

  • SHA256

    e17edf1aa1f85fc93c6811632e18fd1c2775412a847640eb3e915624c2986532

  • SHA512

    3dcf44068179e24c0f6adcbea10058d14a1889fe2cf0f63db52419c26133b6a8d91d988156220dcc0444aeae6556cafe17c9e7d9a0f5747babcc384b996f2cc1

  • SSDEEP

    6144:WPhyrd5h3eOxlkRkIAXAQXNaHOnu1yPlWguHSQDuWWxM:WPh0tJ9XAQdQqGSKuDM

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\e17edf1aa1f85fc93c6811632e18fd1c2775412a847640eb3e915624c2986532.exe
    "C:\Users\Admin\AppData\Local\Temp\e17edf1aa1f85fc93c6811632e18fd1c2775412a847640eb3e915624c2986532.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4568
    • C:\Users\Admin\AppData\Local\Temp\u3iw.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u3iw.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:756
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 756 -s 2464
        3⤵
        • Program crash
        PID:3604
    • C:\Users\Admin\AppData\Local\Temp\u3iw.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u3iw.1.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:3332
      • 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:4360
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4568 -s 1160
      2⤵
      • Program crash
      PID:2552
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4568 -ip 4568
    1⤵
      PID:3056
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 756 -ip 756
      1⤵
        PID:408

      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

        1752915f1341a921c7ec52886a3ffea4

        SHA1

        464aad2733ac861a5892716475a17c0838addcd1

        SHA256

        4bdb11cc2b1dacedf2be1f935aaa7069101c89e73e4ed9309e435e3f6b148096

        SHA512

        16e2b345780d4128846f4f9583dec2ac0006a07ed3554ba227e7ae327332cf4ff1dda9f45a19b53fb52d51b25eb960639e01e4582d951b5fdef773c156301b16

      • C:\Users\Admin\AppData\Local\Temp\iolo\dm\ioloDMLog.txt

        Filesize

        2KB

        MD5

        9dceb0e46c6dafde2a87c2db116f0ddf

        SHA1

        61c528324433e95091149cbe188d7026e899a959

        SHA256

        da67f54495146eb95e900f4df72634b43c867d009da9e52b0c2b4043c5f50393

        SHA512

        b0564932c8dc17660e150adb39cf9308a85b0aaa5f04978fd8ccdb67feb93c37e0807a2d485faa19493d9873552034461176479531883cefb4e2a95c64616625

      • C:\Users\Admin\AppData\Local\Temp\u3iw.0.exe

        Filesize

        242KB

        MD5

        016e62b625dae4c6e7697663fcda8e70

        SHA1

        0854d0798147947e1f45e94f00d4e211f3655bc3

        SHA256

        c71268dceea5908ceaff670721c53af922158aca6dd6c9958762b3658bc3acf0

        SHA512

        66de6a47f8165c149538f2acec23606da9dba3e3c03f5598863d6bd623f760df9704ccc7e4afd0a8ef2d2d2613e46a5819a9d8dff980c9431ca49cdef110f37a

      • C:\Users\Admin\AppData\Local\Temp\u3iw.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/756-19-0x0000000000400000-0x0000000002AF9000-memory.dmp

        Filesize

        39.0MB

      • memory/756-20-0x0000000000400000-0x0000000002AF9000-memory.dmp

        Filesize

        39.0MB

      • memory/756-18-0x0000000000400000-0x0000000002AF9000-memory.dmp

        Filesize

        39.0MB

      • memory/756-37-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/756-146-0x0000000000400000-0x0000000002AF9000-memory.dmp

        Filesize

        39.0MB

      • memory/756-85-0x0000000000400000-0x0000000002AF9000-memory.dmp

        Filesize

        39.0MB

      • memory/3332-133-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/3332-147-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/4360-158-0x000001C6E6980000-0x000001C6E69A2000-memory.dmp

        Filesize

        136KB

      • memory/4360-156-0x000001C6E6580000-0x000001C6E65AA000-memory.dmp

        Filesize

        168KB

      • memory/4360-177-0x000001C6EB450000-0x000001C6EB46E000-memory.dmp

        Filesize

        120KB

      • memory/4360-176-0x000001C6EB4F0000-0x000001C6EB566000-memory.dmp

        Filesize

        472KB

      • memory/4360-175-0x000001C6EB410000-0x000001C6EB41C000-memory.dmp

        Filesize

        48KB

      • memory/4360-172-0x000001C6EBC60000-0x000001C6EC188000-memory.dmp

        Filesize

        5.2MB

      • memory/4360-169-0x000001C6EB690000-0x000001C6EB69A000-memory.dmp

        Filesize

        40KB

      • memory/4360-170-0x000001C6EB6B0000-0x000001C6EB712000-memory.dmp

        Filesize

        392KB

      • memory/4360-148-0x000001C6C8590000-0x000001C6CBDC4000-memory.dmp

        Filesize

        56.2MB

      • memory/4360-149-0x000001C6E65D0000-0x000001C6E66DA000-memory.dmp

        Filesize

        1.0MB

      • memory/4360-150-0x000001C6CDBD0000-0x000001C6CDBE0000-memory.dmp

        Filesize

        64KB

      • memory/4360-151-0x000001C6CDBF0000-0x000001C6CDBFC000-memory.dmp

        Filesize

        48KB

      • memory/4360-152-0x000001C6CDBE0000-0x000001C6CDBF4000-memory.dmp

        Filesize

        80KB

      • memory/4360-153-0x000001C6E6530000-0x000001C6E6554000-memory.dmp

        Filesize

        144KB

      • memory/4360-154-0x000001C6E6550000-0x000001C6E655A000-memory.dmp

        Filesize

        40KB

      • memory/4360-171-0x000001C6EB710000-0x000001C6EB732000-memory.dmp

        Filesize

        136KB

      • memory/4360-155-0x000001C6E6830000-0x000001C6E68E2000-memory.dmp

        Filesize

        712KB

      • memory/4360-157-0x000001C6E6930000-0x000001C6E6980000-memory.dmp

        Filesize

        320KB

      • memory/4360-168-0x000001C6EAD10000-0x000001C6EAD18000-memory.dmp

        Filesize

        32KB

      • memory/4360-159-0x000001C6CDBB0000-0x000001C6CDBBA000-memory.dmp

        Filesize

        40KB

      • memory/4360-163-0x000001C6E69B0000-0x000001C6E6CB0000-memory.dmp

        Filesize

        3.0MB

      • memory/4360-165-0x000001C6EB3E0000-0x000001C6EB3E8000-memory.dmp

        Filesize

        32KB

      • memory/4360-167-0x000001C6EACF0000-0x000001C6EACFE000-memory.dmp

        Filesize

        56KB

      • memory/4360-166-0x000001C6EAD20000-0x000001C6EAD58000-memory.dmp

        Filesize

        224KB

      • memory/4568-1-0x0000000002C00000-0x0000000002D00000-memory.dmp

        Filesize

        1024KB

      • memory/4568-69-0x0000000000400000-0x0000000002B1E000-memory.dmp

        Filesize

        39.1MB

      • memory/4568-2-0x0000000004840000-0x00000000048AC000-memory.dmp

        Filesize

        432KB

      • memory/4568-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/4568-13-0x0000000000400000-0x0000000002B1E000-memory.dmp

        Filesize

        39.1MB

      • memory/4568-17-0x0000000000400000-0x0000000002B1E000-memory.dmp

        Filesize

        39.1MB

      • memory/4568-71-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/4568-70-0x0000000004840000-0x00000000048AC000-memory.dmp

        Filesize

        432KB