Analysis

  • max time kernel
    146s
  • max time network
    153s
  • 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 12:46

General

  • Target

    0fb30d1b6a1a605a4bc0cdf92a5840e0852e3595a761e0667fc3e6c77f99f486.exe

  • Size

    372KB

  • MD5

    82dbf99ae00c7d7c2d31ecdc34952a42

  • SHA1

    4e13ccc600813c196f7dbe28f6a5301766bf8cde

  • SHA256

    0fb30d1b6a1a605a4bc0cdf92a5840e0852e3595a761e0667fc3e6c77f99f486

  • SHA512

    ee4434b16b6730ec4ad97282ffafb43d529646a408244dd81eb7d10b9d1537784a92a37246eefb0b106877368f954ff1aa6a0025e4d95a7d847ed5e33cb0007b

  • SSDEEP

    6144:pGPxzYVfryibS0RMb2oP6jZRDu82So+jO8PdCkniwVUBh0V+VtdQT6lXl:pGPx0zzb9RMbP6jZhGSo+jOpiXI2V+VB

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\0fb30d1b6a1a605a4bc0cdf92a5840e0852e3595a761e0667fc3e6c77f99f486.exe
    "C:\Users\Admin\AppData\Local\Temp\0fb30d1b6a1a605a4bc0cdf92a5840e0852e3595a761e0667fc3e6c77f99f486.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1280
    • C:\Users\Admin\AppData\Local\Temp\uzk.0.exe
      "C:\Users\Admin\AppData\Local\Temp\uzk.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:4208
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4208 -s 2484
        3⤵
        • Program crash
        PID:2636
    • C:\Users\Admin\AppData\Local\Temp\uzk.1.exe
      "C:\Users\Admin\AppData\Local\Temp\uzk.1.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:992
      • 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:1284
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1280 -s 1160
      2⤵
      • Program crash
      PID:3968
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 1280 -ip 1280
    1⤵
      PID:876
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4208 -ip 4208
      1⤵
        PID:4420

      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\uzk.0.exe

        Filesize

        231KB

        MD5

        879b731bc25ad06eea7282496b49363e

        SHA1

        b8d419721f28e130cce781e5968f40ac2c5e7456

        SHA256

        ab5ad9f5fd8938c963a1602539d2409a514f26e8263b9f424b3a79fc3632f98f

        SHA512

        6c69b11027063f24ee98c7202b4a8fd8c0cf023f4819231710c93707d2624127b41b8337f7a7e7de45d8c9b2b9ecf8e7c469b47ab1916c6468ab439a038b06c2

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

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/992-129-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/1280-1-0x00000000026A0000-0x00000000027A0000-memory.dmp

        Filesize

        1024KB

      • memory/1280-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/1280-27-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/1280-26-0x0000000000400000-0x0000000002599000-memory.dmp

        Filesize

        33.6MB

      • memory/1280-2-0x00000000042B0000-0x000000000431C000-memory.dmp

        Filesize

        432KB

      • memory/1284-136-0x000002B91A3C0000-0x000002B91A3CA000-memory.dmp

        Filesize

        40KB

      • memory/1284-153-0x000002B91EB70000-0x000002B91EB92000-memory.dmp

        Filesize

        136KB

      • memory/1284-131-0x000002B91A4F0000-0x000002B91A5FA000-memory.dmp

        Filesize

        1.0MB

      • memory/1284-133-0x000002B91A330000-0x000002B91A33C000-memory.dmp

        Filesize

        48KB

      • memory/1284-132-0x000002B91A200000-0x000002B91A210000-memory.dmp

        Filesize

        64KB

      • memory/1284-134-0x000002B91A320000-0x000002B91A334000-memory.dmp

        Filesize

        80KB

      • memory/1284-135-0x000002B91A390000-0x000002B91A3B4000-memory.dmp

        Filesize

        144KB

      • memory/1284-160-0x000002B97F230000-0x000002B97F24E000-memory.dmp

        Filesize

        120KB

      • memory/1284-137-0x000002B91A400000-0x000002B91A4B2000-memory.dmp

        Filesize

        712KB

      • memory/1284-138-0x000002B91A750000-0x000002B91A77A000-memory.dmp

        Filesize

        168KB

      • memory/1284-139-0x000002B97F260000-0x000002B97F2B0000-memory.dmp

        Filesize

        320KB

      • memory/1284-140-0x000002B97EF70000-0x000002B97EF92000-memory.dmp

        Filesize

        136KB

      • memory/1284-141-0x000002B91A1E0000-0x000002B91A1EA000-memory.dmp

        Filesize

        40KB

      • memory/1284-145-0x000002B91A780000-0x000002B91AA80000-memory.dmp

        Filesize

        3.0MB

      • memory/1284-147-0x000002B97EF40000-0x000002B97EF48000-memory.dmp

        Filesize

        32KB

      • memory/1284-149-0x000002B97EF50000-0x000002B97EF5E000-memory.dmp

        Filesize

        56KB

      • memory/1284-148-0x000002B97F2B0000-0x000002B97F2E8000-memory.dmp

        Filesize

        224KB

      • memory/1284-150-0x000002B97F1F0000-0x000002B97F1F8000-memory.dmp

        Filesize

        32KB

      • memory/1284-151-0x000002B91EB60000-0x000002B91EB6A000-memory.dmp

        Filesize

        40KB

      • memory/1284-130-0x000002B97B5B0000-0x000002B97EDE4000-memory.dmp

        Filesize

        56.2MB

      • memory/1284-152-0x000002B91F460000-0x000002B91F4C2000-memory.dmp

        Filesize

        392KB

      • memory/1284-154-0x000002B91F9F0000-0x000002B91FF18000-memory.dmp

        Filesize

        5.2MB

      • memory/1284-157-0x000002B91EB90000-0x000002B91EB9C000-memory.dmp

        Filesize

        48KB

      • memory/1284-158-0x000002B97F370000-0x000002B97F3E6000-memory.dmp

        Filesize

        472KB

      • memory/4208-117-0x0000000000400000-0x0000000002576000-memory.dmp

        Filesize

        33.5MB

      • memory/4208-34-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/4208-167-0x0000000000400000-0x0000000002576000-memory.dmp

        Filesize

        33.5MB