Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-05-2024 10:43

General

  • Target

    46c518ab0703f0c58639b2d45476c8f0_NEAS.exe

  • Size

    398KB

  • MD5

    46c518ab0703f0c58639b2d45476c8f0

  • SHA1

    63ad635114bf5405a612cce7b8ba3528b6820b90

  • SHA256

    65d8242fbed0d3353c7e08a89eccac1f1fe39cd3b4d35fe44202471dbdff8e9a

  • SHA512

    44c5c6d075b17b432bc76fb075dda81ae23f612d4835f10956897c0d38b784d53b348741ac93701100917d0e4e3fa7cb97850647245384c98d1f9c7adb0d4aa4

  • SSDEEP

    6144:WGuIeB32u0NksV1gwHG7zO4piTyDeDf0BRJFUydBc9qXGzRtKL/:OIeB3/0NkGSeGXO4Cye8BR3TfIqoA/

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\46c518ab0703f0c58639b2d45476c8f0_NEAS.exe
    "C:\Users\Admin\AppData\Local\Temp\46c518ab0703f0c58639b2d45476c8f0_NEAS.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3820
    • C:\Users\Admin\AppData\Local\Temp\u2y4.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u2y4.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:1292
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1292 -s 1972
        3⤵
        • Program crash
        PID:1520
    • C:\Users\Admin\AppData\Local\Temp\u2y4.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u2y4.1.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:4936
      • 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:2312
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3820 -s 1240
      2⤵
      • Program crash
      PID:1452
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3820 -ip 3820
    1⤵
      PID:2564
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 1292 -ip 1292
      1⤵
        PID:1012

      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

        b44ae00d23def44bfb1913dd771aa789

        SHA1

        33258c49da39cb0e2fb99633d288bbce02aed121

        SHA256

        9aa53b2efcd62731d892d1b29367dd5b51d9e5a3b60b432a4ff866f24ade887d

        SHA512

        67d216277f886bf5e55d9d2b650850af4cc3f1f90ab0137270aeb0cec0a9a49a6aef1cecba01d0b152255730765891f384a13b6f8cfca2a040ac945c21f0b5e8

      • C:\Users\Admin\AppData\Local\Temp\u2y4.0.exe

        Filesize

        265KB

        MD5

        eeb8bf563a205225145140f3cd2de0f6

        SHA1

        6cb88d794e216abba97465a0e6eca264820bd69f

        SHA256

        ee3c5b8ce2a5b1d40648fb75dd04df8bf6809c502911ddad87830a5b93253229

        SHA512

        8b126db244a0b50df0f438b2f517ef4adf72b96f982ca006ef0751655796d1274004ff2dce40d9bb96e982dc6d960455253a71e299e3a2f2be6cc8c283a45d20

      • C:\Users\Admin\AppData\Local\Temp\u2y4.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/1292-153-0x0000000000400000-0x0000000002AFF000-memory.dmp

        Filesize

        39.0MB

      • memory/1292-14-0x0000000000400000-0x0000000002AFF000-memory.dmp

        Filesize

        39.0MB

      • memory/1292-15-0x0000000000400000-0x0000000002AFF000-memory.dmp

        Filesize

        39.0MB

      • memory/1292-127-0x0000000000400000-0x0000000002AFF000-memory.dmp

        Filesize

        39.0MB

      • memory/1292-17-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/1292-56-0x0000000000400000-0x0000000002AFF000-memory.dmp

        Filesize

        39.0MB

      • memory/2312-158-0x0000022CEC260000-0x0000022CEC282000-memory.dmp

        Filesize

        136KB

      • memory/2312-166-0x0000022CF05F0000-0x0000022CF0628000-memory.dmp

        Filesize

        224KB

      • memory/2312-177-0x0000022CF1520000-0x0000022CF153E000-memory.dmp

        Filesize

        120KB

      • memory/2312-176-0x0000022CF15C0000-0x0000022CF1636000-memory.dmp

        Filesize

        472KB

      • memory/2312-175-0x0000022CF14E0000-0x0000022CF14EC000-memory.dmp

        Filesize

        48KB

      • memory/2312-172-0x0000022CF1D30000-0x0000022CF2258000-memory.dmp

        Filesize

        5.2MB

      • memory/2312-171-0x0000022CF17E0000-0x0000022CF1802000-memory.dmp

        Filesize

        136KB

      • memory/2312-170-0x0000022CF1780000-0x0000022CF17E2000-memory.dmp

        Filesize

        392KB

      • memory/2312-169-0x0000022CF1760000-0x0000022CF176A000-memory.dmp

        Filesize

        40KB

      • memory/2312-168-0x0000022CF05E0000-0x0000022CF05E8000-memory.dmp

        Filesize

        32KB

      • memory/2312-146-0x0000022CE5E20000-0x0000022CE9654000-memory.dmp

        Filesize

        56.2MB

      • memory/2312-147-0x0000022CEBE70000-0x0000022CEBF7A000-memory.dmp

        Filesize

        1.0MB

      • memory/2312-148-0x0000022CE9A60000-0x0000022CE9A70000-memory.dmp

        Filesize

        64KB

      • memory/2312-149-0x0000022CEBAE0000-0x0000022CEBAEC000-memory.dmp

        Filesize

        48KB

      • memory/2312-150-0x0000022CEB380000-0x0000022CEB394000-memory.dmp

        Filesize

        80KB

      • memory/2312-151-0x0000022CEBB50000-0x0000022CEBB74000-memory.dmp

        Filesize

        144KB

      • memory/2312-167-0x0000022CF05C0000-0x0000022CF05CE000-memory.dmp

        Filesize

        56KB

      • memory/2312-154-0x0000022CEB360000-0x0000022CEB36A000-memory.dmp

        Filesize

        40KB

      • memory/2312-155-0x0000022CEC0D0000-0x0000022CEC0FA000-memory.dmp

        Filesize

        168KB

      • memory/2312-156-0x0000022CEC110000-0x0000022CEC1C2000-memory.dmp

        Filesize

        712KB

      • memory/2312-157-0x0000022CEC210000-0x0000022CEC260000-memory.dmp

        Filesize

        320KB

      • memory/2312-165-0x0000022CF0CB0000-0x0000022CF0CB8000-memory.dmp

        Filesize

        32KB

      • memory/2312-159-0x0000022CEB370000-0x0000022CEB37A000-memory.dmp

        Filesize

        40KB

      • memory/2312-163-0x0000022CEC290000-0x0000022CEC590000-memory.dmp

        Filesize

        3.0MB

      • memory/3820-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/3820-77-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/3820-1-0x0000000002C50000-0x0000000002D50000-memory.dmp

        Filesize

        1024KB

      • memory/3820-2-0x00000000047E0000-0x000000000484C000-memory.dmp

        Filesize

        432KB

      • memory/3820-4-0x0000000000400000-0x0000000002B21000-memory.dmp

        Filesize

        39.1MB

      • memory/3820-16-0x0000000000400000-0x0000000002B21000-memory.dmp

        Filesize

        39.1MB

      • memory/3820-58-0x0000000002C50000-0x0000000002D50000-memory.dmp

        Filesize

        1024KB

      • memory/3820-60-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/3820-76-0x0000000000400000-0x0000000002B21000-memory.dmp

        Filesize

        39.1MB

      • memory/4936-140-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/4936-128-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB