Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240419-en
  • resource tags

    arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    06-05-2024 15:31

General

  • Target

    cc6a18d0d555944b2d6e9fecbd3507d93f37a573d4bbfacccd45fe7f4752ebe7.exe

  • Size

    416KB

  • MD5

    b04a4bcad4f981852f8fe4591f2bc324

  • SHA1

    a1cb6148c1add76d2a565e70c824ccadaf694e32

  • SHA256

    cc6a18d0d555944b2d6e9fecbd3507d93f37a573d4bbfacccd45fe7f4752ebe7

  • SHA512

    ec8919fa8a17dd6eb1ad1532179eee7cd33ec48e5029369af42838699c848843ba353cfa6af455838625da710ebd4c0ffe785c66d3d9240c8c5608a420377ffe

  • SSDEEP

    12288:V/36Qn32mOgeVztEMz3Jx8fnLd4S3Ntcv:t7deXP8fnRTcv

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\cc6a18d0d555944b2d6e9fecbd3507d93f37a573d4bbfacccd45fe7f4752ebe7.exe
    "C:\Users\Admin\AppData\Local\Temp\cc6a18d0d555944b2d6e9fecbd3507d93f37a573d4bbfacccd45fe7f4752ebe7.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2148
    • C:\Users\Admin\AppData\Local\Temp\u1no.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u1no.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:3024
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3024 -s 2412
        3⤵
        • Program crash
        PID:5064
    • C:\Users\Admin\AppData\Local\Temp\u1no.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u1no.1.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:3772
      • 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:3780
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2148 -s 1404
      2⤵
      • Program crash
      PID:3452
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 2148 -ip 2148
    1⤵
      PID:1608
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 3024 -ip 3024
      1⤵
        PID:4824

      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

        fda4a03fabaaf48b3b609cb683d539e0

        SHA1

        4a923dd5a0e5b348342764105328f226fcf37bf0

        SHA256

        c26db80084efcc86a86064bb143230a27e5d8160726b953db459088933305d80

        SHA512

        902a583d5b5803d50bed58b668959b4cefcabf0fb21766d4de421909dd01fd91c8b7bfa10a3d7cfceff86c35309d57cc605e017553622855127722c41c01b430

      • C:\Users\Admin\AppData\Local\Temp\u1no.0.exe

        Filesize

        274KB

        MD5

        3608b528eb102409d406b2889bc04ee4

        SHA1

        8cf5126e09093bba5976826dc53801dee4921b97

        SHA256

        196a6a77a04399fd9975dbef000af4b9b94eed1585608e021e96e3a308ccc0a9

        SHA512

        9b1a81b3138fc543f597231117eb75f15cc0cb77e2d9bf013a42f2f910677d2f6b0155e63669d1847d89f14931ccd344f5aa9cd78544b94a56873b52c314d48b

      • C:\Users\Admin\AppData\Local\Temp\u1no.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/2148-102-0x0000000000400000-0x0000000001A32000-memory.dmp

        Filesize

        22.2MB

      • memory/2148-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/2148-105-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/2148-1-0x0000000001C90000-0x0000000001D90000-memory.dmp

        Filesize

        1024KB

      • memory/2148-103-0x0000000003770000-0x00000000037DC000-memory.dmp

        Filesize

        432KB

      • memory/2148-2-0x0000000003770000-0x00000000037DC000-memory.dmp

        Filesize

        432KB

      • memory/3024-15-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/3024-14-0x0000000000400000-0x0000000001A0F000-memory.dmp

        Filesize

        22.1MB

      • memory/3024-13-0x0000000000400000-0x0000000001A0F000-memory.dmp

        Filesize

        22.1MB

      • memory/3024-110-0x0000000000400000-0x0000000001A0F000-memory.dmp

        Filesize

        22.1MB

      • memory/3772-126-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/3772-138-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/3780-141-0x000001AEAA700000-0x000001AEAA710000-memory.dmp

        Filesize

        64KB

      • memory/3780-155-0x000001AEC3520000-0x000001AEC3820000-memory.dmp

        Filesize

        3.0MB

      • memory/3780-139-0x000001AEA4F10000-0x000001AEA8808000-memory.dmp

        Filesize

        57.0MB

      • memory/3780-142-0x000001AEAA720000-0x000001AEAA72C000-memory.dmp

        Filesize

        48KB

      • memory/3780-143-0x000001AEAA710000-0x000001AEAA724000-memory.dmp

        Filesize

        80KB

      • memory/3780-144-0x000001AEC2F50000-0x000001AEC2F74000-memory.dmp

        Filesize

        144KB

      • memory/3780-145-0x000001AEC2F70000-0x000001AEC2F7A000-memory.dmp

        Filesize

        40KB

      • memory/3780-146-0x000001AEC3100000-0x000001AEC312A000-memory.dmp

        Filesize

        168KB

      • memory/3780-147-0x000001AEC3290000-0x000001AEC3342000-memory.dmp

        Filesize

        712KB

      • memory/3780-149-0x000001AEC33C0000-0x000001AEC3422000-memory.dmp

        Filesize

        392KB

      • memory/3780-148-0x000001AEC3340000-0x000001AEC33BA000-memory.dmp

        Filesize

        488KB

      • memory/3780-140-0x000001AEC2FF0000-0x000001AEC3100000-memory.dmp

        Filesize

        1.1MB

      • memory/3780-151-0x000001AEA8D10000-0x000001AEA8D1A000-memory.dmp

        Filesize

        40KB

      • memory/3780-150-0x000001AEC34A0000-0x000001AEC3516000-memory.dmp

        Filesize

        472KB

      • memory/3780-157-0x000001AEC7150000-0x000001AEC7158000-memory.dmp

        Filesize

        32KB

      • memory/3780-158-0x000001AEC7880000-0x000001AEC78B8000-memory.dmp

        Filesize

        224KB

      • memory/3780-159-0x000001AEC7170000-0x000001AEC717E000-memory.dmp

        Filesize

        56KB

      • memory/3780-160-0x000001AEC78E0000-0x000001AEC78EA000-memory.dmp

        Filesize

        40KB

      • memory/3780-161-0x000001AEC78F0000-0x000001AEC7912000-memory.dmp

        Filesize

        136KB

      • memory/3780-162-0x000001AEC8490000-0x000001AEC89B8000-memory.dmp

        Filesize

        5.2MB

      • memory/3780-165-0x000001AEC7FA0000-0x000001AEC7FF0000-memory.dmp

        Filesize

        320KB

      • memory/3780-166-0x000001AEC7F50000-0x000001AEC7F5C000-memory.dmp

        Filesize

        48KB

      • memory/3780-167-0x000001AEC8270000-0x000001AEC8292000-memory.dmp

        Filesize

        136KB

      • memory/3780-168-0x000001AEC82A0000-0x000001AEC82BE000-memory.dmp

        Filesize

        120KB