Analysis

  • max time kernel
    123s
  • max time network
    95s
  • 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 13:05

General

  • Target

    202df52916214affd80d3a7ae5e2bca6d2c92fb15a233a273e82d2d3dfccb613.exe

  • Size

    373KB

  • MD5

    2cae1aa8311c44dc52402495a466c32c

  • SHA1

    3df844511f68a96841bcb58c7698d4525ee58826

  • SHA256

    202df52916214affd80d3a7ae5e2bca6d2c92fb15a233a273e82d2d3dfccb613

  • SHA512

    3da22031cc0de50197f8538f9ba1772e913a1e917a02bbf7d384dac94f99da45717f429f938198f7e5956fa85ea14016f94ddd6eb8da9990c5e5143d4b0c9769

  • SSDEEP

    6144:9Fse/HAftZpz74YMJdnm4RCvC37dmHMnTPjfrrRpX7zWXIyI32Tc2dI7Y:9FseItZpz7FOm4IqmM7jf7Lz+IyxJuY

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 21 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\202df52916214affd80d3a7ae5e2bca6d2c92fb15a233a273e82d2d3dfccb613.exe
    "C:\Users\Admin\AppData\Local\Temp\202df52916214affd80d3a7ae5e2bca6d2c92fb15a233a273e82d2d3dfccb613.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4904
    • C:\Users\Admin\AppData\Local\Temp\u3s8.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u3s8.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:2444
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2444 -s 2092
        3⤵
        • Program crash
        PID:3800
    • C:\Users\Admin\AppData\Local\Temp\u3s8.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u3s8.1.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:1524
      • 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:1372
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4904 -s 1216
      2⤵
      • Program crash
      PID:1124
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4904 -ip 4904
    1⤵
      PID:3928
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 2444 -ip 2444
      1⤵
        PID:4644

      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\u3s8.0.exe

        Filesize

        231KB

        MD5

        8d1595054640e63c3ccc451b1454af73

        SHA1

        d3e67396b4afd81aeb7bf463e5c9dc654169fd7e

        SHA256

        b006c572d41bca024db5423a3ed281068ac751704ecfb558ec7866341559b628

        SHA512

        35d5b8ba33f1526148cf6c3e03b7e9c26738d596522ac923dd747a74eaeace0ef872b3ee69689ad110d5ffb4018489c000819e7862e72f6738369c745ccd3b76

      • C:\Users\Admin\AppData\Local\Temp\u3s8.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/1372-160-0x00000225F6CD0000-0x00000225F6CD8000-memory.dmp

        Filesize

        32KB

      • memory/1372-147-0x00000225F0E40000-0x00000225F0E54000-memory.dmp

        Filesize

        80KB

      • memory/1372-172-0x00000225F7EF0000-0x00000225F7F0E000-memory.dmp

        Filesize

        120KB

      • memory/1372-171-0x00000225F7F90000-0x00000225F8006000-memory.dmp

        Filesize

        472KB

      • memory/1372-170-0x00000225F7EB0000-0x00000225F7EBC000-memory.dmp

        Filesize

        48KB

      • memory/1372-167-0x00000225F8700000-0x00000225F8C28000-memory.dmp

        Filesize

        5.2MB

      • memory/1372-166-0x00000225F81B0000-0x00000225F81D2000-memory.dmp

        Filesize

        136KB

      • memory/1372-165-0x00000225F8150000-0x00000225F81B2000-memory.dmp

        Filesize

        392KB

      • memory/1372-164-0x00000225F8130000-0x00000225F813A000-memory.dmp

        Filesize

        40KB

      • memory/1372-163-0x00000225F6FC0000-0x00000225F6FC8000-memory.dmp

        Filesize

        32KB

      • memory/1372-162-0x00000225F6FA0000-0x00000225F6FAE000-memory.dmp

        Filesize

        56KB

      • memory/1372-161-0x00000225F6FD0000-0x00000225F7008000-memory.dmp

        Filesize

        224KB

      • memory/1372-158-0x00000225F2C50000-0x00000225F2F50000-memory.dmp

        Filesize

        3.0MB

      • memory/1372-153-0x00000225F28B0000-0x00000225F28D2000-memory.dmp

        Filesize

        136KB

      • memory/1372-152-0x00000225F2C00000-0x00000225F2C50000-memory.dmp

        Filesize

        320KB

      • memory/1372-143-0x00000225EB0E0000-0x00000225EE914000-memory.dmp

        Filesize

        56.2MB

      • memory/1372-144-0x00000225F2900000-0x00000225F2A0A000-memory.dmp

        Filesize

        1.0MB

      • memory/1372-145-0x00000225F0E30000-0x00000225F0E40000-memory.dmp

        Filesize

        64KB

      • memory/1372-146-0x00000225F0E50000-0x00000225F0E5C000-memory.dmp

        Filesize

        48KB

      • memory/1372-154-0x00000225F2730000-0x00000225F273A000-memory.dmp

        Filesize

        40KB

      • memory/1372-148-0x00000225F0EB0000-0x00000225F0ED4000-memory.dmp

        Filesize

        144KB

      • memory/1372-149-0x00000225F0EE0000-0x00000225F0EEA000-memory.dmp

        Filesize

        40KB

      • memory/1372-150-0x00000225F2850000-0x00000225F287A000-memory.dmp

        Filesize

        168KB

      • memory/1372-151-0x00000225F2B50000-0x00000225F2C02000-memory.dmp

        Filesize

        712KB

      • memory/1524-142-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/1524-131-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/2444-90-0x0000000000400000-0x0000000002576000-memory.dmp

        Filesize

        33.5MB

      • memory/2444-129-0x0000000000400000-0x0000000002576000-memory.dmp

        Filesize

        33.5MB

      • memory/2444-15-0x0000000000400000-0x0000000002576000-memory.dmp

        Filesize

        33.5MB

      • memory/2444-18-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/2444-17-0x0000000000400000-0x0000000002576000-memory.dmp

        Filesize

        33.5MB

      • memory/2444-16-0x0000000000400000-0x0000000002576000-memory.dmp

        Filesize

        33.5MB

      • memory/4904-2-0x00000000027B0000-0x00000000028B0000-memory.dmp

        Filesize

        1024KB

      • memory/4904-4-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/4904-3-0x0000000002720000-0x000000000278C000-memory.dmp

        Filesize

        432KB

      • memory/4904-1-0x0000000000400000-0x0000000002599000-memory.dmp

        Filesize

        33.6MB

      • memory/4904-69-0x0000000000400000-0x0000000002599000-memory.dmp

        Filesize

        33.6MB

      • memory/4904-70-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/4904-13-0x0000000000400000-0x0000000002599000-memory.dmp

        Filesize

        33.6MB