Analysis

  • max time kernel
    94s
  • max time network
    99s
  • 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 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
  • 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 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⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4816
    • C:\Users\Admin\AppData\Local\Temp\u3ps.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u3ps.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:3156
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3156 -s 2304
        3⤵
        • Program crash
        PID:2448
    • C:\Users\Admin\AppData\Local\Temp\u3ps.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u3ps.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:232
      • 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:1012
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4816 -s 1540
      2⤵
      • Program crash
      PID:5036
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4816 -ip 4816
    1⤵
      PID:4764
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 3156 -ip 3156
      1⤵
        PID:2228

      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

        20e5c4df1877a7ce68fcd99fc0993f01

        SHA1

        74fc403bbd6fe67f354ae5625126d0cadc5a7436

        SHA256

        5611d95a2f3284e333e8dbbd93feea62be38287734cedd29905ecfe0057a37ce

        SHA512

        054a7101de743f31d62d701e57aa734d0865100235345d1df25a2667c7ba28ef0342e0b7a6b85581e481cda2c5f4452117a204a12c83fbe676862ce115cd56ce

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

        Filesize

        3KB

        MD5

        d6f0f2d297118e185a08aa9cd0755e51

        SHA1

        9ae33005aac2e7b26435d72032b691d72a229dce

        SHA256

        592fe8a2543c65873e45fbdfce31c56bcc2a849818adb7133c37d5045b32b9f4

        SHA512

        1633cacd037ad3c879927cfe6c82fc10f91cb080159d6a512b008302aebbecad2bb4cbf9012f311bc5b297c4d26025ba671b901adc36709d123a4e6541dfb349

      • C:\Users\Admin\AppData\Local\Temp\u3ps.0.exe

        Filesize

        242KB

        MD5

        016e62b625dae4c6e7697663fcda8e70

        SHA1

        0854d0798147947e1f45e94f00d4e211f3655bc3

        SHA256

        c71268dceea5908ceaff670721c53af922158aca6dd6c9958762b3658bc3acf0

        SHA512

        66de6a47f8165c149538f2acec23606da9dba3e3c03f5598863d6bd623f760df9704ccc7e4afd0a8ef2d2d2613e46a5819a9d8dff980c9431ca49cdef110f37a

      • C:\Users\Admin\AppData\Local\Temp\u3ps.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/232-142-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/232-139-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/1012-143-0x000002444F290000-0x0000024452AC4000-memory.dmp

        Filesize

        56.2MB

      • memory/1012-162-0x00000244728D0000-0x00000244728DE000-memory.dmp

        Filesize

        56KB

      • memory/1012-172-0x0000024473B00000-0x0000024473B1E000-memory.dmp

        Filesize

        120KB

      • memory/1012-171-0x0000024473BA0000-0x0000024473C16000-memory.dmp

        Filesize

        472KB

      • memory/1012-170-0x00000244737B0000-0x00000244737BC000-memory.dmp

        Filesize

        48KB

      • memory/1012-167-0x0000024474000000-0x0000024474528000-memory.dmp

        Filesize

        5.2MB

      • memory/1012-166-0x0000024473AB0000-0x0000024473AD2000-memory.dmp

        Filesize

        136KB

      • memory/1012-165-0x0000024473A50000-0x0000024473AB2000-memory.dmp

        Filesize

        392KB

      • memory/1012-164-0x00000244737A0000-0x00000244737AA000-memory.dmp

        Filesize

        40KB

      • memory/1012-163-0x00000244728F0000-0x00000244728F8000-memory.dmp

        Filesize

        32KB

      • memory/1012-161-0x0000024472900000-0x0000024472938000-memory.dmp

        Filesize

        224KB

      • memory/1012-160-0x0000024472980000-0x0000024472988000-memory.dmp

        Filesize

        32KB

      • memory/1012-158-0x000002446E570000-0x000002446E870000-memory.dmp

        Filesize

        3.0MB

      • memory/1012-154-0x00000244548F0000-0x00000244548FA000-memory.dmp

        Filesize

        40KB

      • memory/1012-144-0x000002446E220000-0x000002446E32A000-memory.dmp

        Filesize

        1.0MB

      • memory/1012-145-0x0000024454830000-0x0000024454840000-memory.dmp

        Filesize

        64KB

      • memory/1012-146-0x0000024454850000-0x000002445485C000-memory.dmp

        Filesize

        48KB

      • memory/1012-147-0x0000024454840000-0x0000024454854000-memory.dmp

        Filesize

        80KB

      • memory/1012-148-0x00000244548B0000-0x00000244548D4000-memory.dmp

        Filesize

        144KB

      • memory/1012-149-0x00000244548E0000-0x00000244548EA000-memory.dmp

        Filesize

        40KB

      • memory/1012-150-0x000002446D0D0000-0x000002446D0FA000-memory.dmp

        Filesize

        168KB

      • memory/1012-151-0x000002446E470000-0x000002446E522000-memory.dmp

        Filesize

        712KB

      • memory/1012-152-0x000002446E520000-0x000002446E570000-memory.dmp

        Filesize

        320KB

      • memory/1012-153-0x000002446E1D0000-0x000002446E1F2000-memory.dmp

        Filesize

        136KB

      • memory/3156-18-0x0000000000400000-0x0000000002AF9000-memory.dmp

        Filesize

        39.0MB

      • memory/3156-61-0x0000000000400000-0x0000000002AF9000-memory.dmp

        Filesize

        39.0MB

      • memory/3156-114-0x0000000000400000-0x0000000002AF9000-memory.dmp

        Filesize

        39.0MB

      • memory/3156-19-0x0000000000400000-0x0000000002AF9000-memory.dmp

        Filesize

        39.0MB

      • memory/3156-20-0x0000000000400000-0x0000000002AF9000-memory.dmp

        Filesize

        39.0MB

      • memory/3156-21-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/4816-2-0x0000000002DD0000-0x0000000002E3C000-memory.dmp

        Filesize

        432KB

      • memory/4816-1-0x0000000002EA0000-0x0000000002FA0000-memory.dmp

        Filesize

        1024KB

      • memory/4816-5-0x0000000000400000-0x0000000002B1E000-memory.dmp

        Filesize

        39.1MB

      • memory/4816-17-0x0000000000400000-0x0000000002B1E000-memory.dmp

        Filesize

        39.1MB

      • memory/4816-112-0x0000000000400000-0x0000000002B1E000-memory.dmp

        Filesize

        39.1MB

      • memory/4816-113-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/4816-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB