Analysis

  • max time kernel
    135s
  • 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
    06-05-2024 15:31

General

  • Target

    d85dc7577c5fa14860a3eed57480b65a066c8eb723cbfc07974d897a92f7b26e.exe

  • Size

    416KB

  • MD5

    bbef2a9c47aa5b820bda66cebc8a8444

  • SHA1

    cffba9f2ff82c1d3ac16fd53279ad004841f89d2

  • SHA256

    d85dc7577c5fa14860a3eed57480b65a066c8eb723cbfc07974d897a92f7b26e

  • SHA512

    530a29c97202a9b29fc6c84f685ea4fb0613e1bbddb97ef0a516b21a4a8972ccd183e44b64aa26b110415cf0a93c0615031366c6953c4cf439d40c02d652d464

  • SSDEEP

    12288:V/36Qn32mOgeVztEMz3Jx8fnLd4S3Ntco:t7deXP8fnRTco

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 30 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\d85dc7577c5fa14860a3eed57480b65a066c8eb723cbfc07974d897a92f7b26e.exe
    "C:\Users\Admin\AppData\Local\Temp\d85dc7577c5fa14860a3eed57480b65a066c8eb723cbfc07974d897a92f7b26e.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3028
    • C:\Users\Admin\AppData\Local\Temp\u2c4.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u2c4.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:5060
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5060 -s 1996
        3⤵
        • Program crash
        PID:760
    • C:\Users\Admin\AppData\Local\Temp\u2c4.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u2c4.1.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:3172
      • 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:2980
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3028 -s 1208
      2⤵
      • Program crash
      PID:4200
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3028 -ip 3028
    1⤵
      PID:2344
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 5060 -ip 5060
      1⤵
        PID:4664

      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

        7afa10b1e5af879db00a5538d9fbbf1b

        SHA1

        658ac03dabb5e0f753d2c6802b8abd583e338ca1

        SHA256

        867a76798e232f3112336b508352d37b60d3abb37ce484fe7d3965ac56b555e3

        SHA512

        6cbf5cab48c8cf130f5b2d34e9cc0ef27bed91e31eb7facd5bd55d9054397d32a64e68f8d6c4f58ec03ba1c468194b6a48982c80b683c615bda483e008dbb459

      • C:\Users\Admin\AppData\Local\Temp\u2c4.0.exe

        Filesize

        274KB

        MD5

        3608b528eb102409d406b2889bc04ee4

        SHA1

        8cf5126e09093bba5976826dc53801dee4921b97

        SHA256

        196a6a77a04399fd9975dbef000af4b9b94eed1585608e021e96e3a308ccc0a9

        SHA512

        9b1a81b3138fc543f597231117eb75f15cc0cb77e2d9bf013a42f2f910677d2f6b0155e63669d1847d89f14931ccd344f5aa9cd78544b94a56873b52c314d48b

      • C:\Users\Admin\AppData\Local\Temp\u2c4.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/2980-146-0x000001EFAB0B0000-0x000001EFAB3B0000-memory.dmp

        Filesize

        3.0MB

      • memory/2980-151-0x000001EFB0500000-0x000001EFB050A000-memory.dmp

        Filesize

        40KB

      • memory/2980-160-0x000001EFB0350000-0x000001EFB036E000-memory.dmp

        Filesize

        120KB

      • memory/2980-159-0x000001EFB0320000-0x000001EFB0342000-memory.dmp

        Filesize

        136KB

      • memory/2980-156-0x000001EFB02D0000-0x000001EFB0320000-memory.dmp

        Filesize

        320KB

      • memory/2980-157-0x000001EFB0280000-0x000001EFB028C000-memory.dmp

        Filesize

        48KB

      • memory/2980-153-0x000001EFB0A60000-0x000001EFB0F88000-memory.dmp

        Filesize

        5.2MB

      • memory/2980-152-0x000001EFB0510000-0x000001EFB0532000-memory.dmp

        Filesize

        136KB

      • memory/2980-150-0x000001EFAF370000-0x000001EFAF37E000-memory.dmp

        Filesize

        56KB

      • memory/2980-149-0x000001EFAF3A0000-0x000001EFAF3D8000-memory.dmp

        Filesize

        224KB

      • memory/2980-148-0x000001EFAFA60000-0x000001EFAFA68000-memory.dmp

        Filesize

        32KB

      • memory/2980-130-0x000001EF8CA30000-0x000001EF90328000-memory.dmp

        Filesize

        57.0MB

      • memory/2980-131-0x000001EFAABD0000-0x000001EFAACE0000-memory.dmp

        Filesize

        1.1MB

      • memory/2980-133-0x000001EFAA760000-0x000001EFAA76C000-memory.dmp

        Filesize

        48KB

      • memory/2980-132-0x000001EFAA740000-0x000001EFAA750000-memory.dmp

        Filesize

        64KB

      • memory/2980-134-0x000001EFAA750000-0x000001EFAA764000-memory.dmp

        Filesize

        80KB

      • memory/2980-135-0x000001EFAA7C0000-0x000001EFAA7E4000-memory.dmp

        Filesize

        144KB

      • memory/2980-136-0x000001EFAA7F0000-0x000001EFAA7FA000-memory.dmp

        Filesize

        40KB

      • memory/2980-138-0x000001EFAA950000-0x000001EFAA97A000-memory.dmp

        Filesize

        168KB

      • memory/2980-137-0x000001EFAAE20000-0x000001EFAAED2000-memory.dmp

        Filesize

        712KB

      • memory/2980-140-0x000001EFAAF50000-0x000001EFAAFB2000-memory.dmp

        Filesize

        392KB

      • memory/2980-139-0x000001EFAAED0000-0x000001EFAAF4A000-memory.dmp

        Filesize

        488KB

      • memory/2980-141-0x000001EFAB030000-0x000001EFAB0A6000-memory.dmp

        Filesize

        472KB

      • memory/2980-142-0x000001EFAA800000-0x000001EFAA80A000-memory.dmp

        Filesize

        40KB

      • memory/3028-62-0x0000000000400000-0x0000000001A32000-memory.dmp

        Filesize

        22.2MB

      • memory/3028-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/3028-2-0x00000000036F0000-0x000000000375C000-memory.dmp

        Filesize

        432KB

      • memory/3028-1-0x0000000001D50000-0x0000000001E50000-memory.dmp

        Filesize

        1024KB

      • memory/3028-64-0x00000000036F0000-0x000000000375C000-memory.dmp

        Filesize

        432KB

      • memory/3028-63-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/3172-118-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/3172-129-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/5060-14-0x0000000000400000-0x0000000001A0F000-memory.dmp

        Filesize

        22.1MB

      • memory/5060-13-0x0000000000400000-0x0000000001A0F000-memory.dmp

        Filesize

        22.1MB

      • memory/5060-116-0x0000000000400000-0x0000000001A0F000-memory.dmp

        Filesize

        22.1MB

      • memory/5060-28-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/5060-171-0x0000000000400000-0x0000000001A0F000-memory.dmp

        Filesize

        22.1MB