Analysis

  • max time kernel
    125s
  • max time network
    129s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240426-en
  • resource tags

    arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    06-05-2024 12:54

General

  • Target

    c2ade73ab0e33451327015b47decf27e9206bf693b4c84c8d4e7551b58110ef0.exe

  • Size

    416KB

  • MD5

    a6e7c8abf3c20c2af8ce5737efa10108

  • SHA1

    f01dac067f1fe38c9256206c91c47d3aa87ec6a5

  • SHA256

    c2ade73ab0e33451327015b47decf27e9206bf693b4c84c8d4e7551b58110ef0

  • SHA512

    e008f8e426f4423e9df75866c27f6352a376fcee4603852e3b81ae9bd2ac9bf2f7acf2dbd56ca54e5a94fd71b60a228405060ab489a7b595ddd886c5bf904f4a

  • SSDEEP

    6144:H/BZItaWG0e12qQ61HC7bIxM6Wp8ik/QAYiVA2XOxx0HNhBp7/nyaFotaZq:fBZI4WObXGIa6AA/eV+HNhLvCtcq

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\c2ade73ab0e33451327015b47decf27e9206bf693b4c84c8d4e7551b58110ef0.exe
    "C:\Users\Admin\AppData\Local\Temp\c2ade73ab0e33451327015b47decf27e9206bf693b4c84c8d4e7551b58110ef0.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2548
    • C:\Users\Admin\AppData\Local\Temp\u1ys.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u1ys.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:4964
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4964 -s 2416
        3⤵
        • Program crash
        PID:5092
    • C:\Users\Admin\AppData\Local\Temp\u1ys.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u1ys.1.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:488
      • 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:236
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2548 -s 1536
      2⤵
      • Program crash
      PID:5032
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2548 -ip 2548
    1⤵
      PID:796
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 4964 -ip 4964
      1⤵
        PID:436

      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

        7c095cf324c2d50c7175619e442a799b

        SHA1

        7fd6c4f872d5410d07f89d5e0faaf61d0a837ff0

        SHA256

        fd69059d41471ff985c28042d7a17927fe7103963d6c5d8fcc9ef06621519ff6

        SHA512

        8623ed4c4544b456b8068be4f1e4448c891f32a4f036802100dec563d16aafebb1f6654f9134b357bd216dc3230328d8c23d9a661e5f83437e8f70f6e95231d2

      • C:\Users\Admin\AppData\Local\Temp\u1ys.0.exe

        Filesize

        274KB

        MD5

        b63651242fe0e7f1fec1bde74aa9a314

        SHA1

        207fa50fec5ad58497fe74ab1025fa5581aa7bba

        SHA256

        bab90c5ac83470d55766cdbd3dffb8f4f4531d7b3fdf49dd5e318def2697c44c

        SHA512

        05df1e4d9d9a42efa9638eb92d37dc37c30c6cf9abf89ca97c46cbab0ea2de87c9d3723561dbf33e6832dd69774ccc16405ac121c9450e5f82db5d73863e335f

      • C:\Users\Admin\AppData\Local\Temp\u1ys.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/236-151-0x000001C4789B0000-0x000001C478A26000-memory.dmp

        Filesize

        472KB

      • memory/236-159-0x000001C47CDD0000-0x000001C47CE08000-memory.dmp

        Filesize

        224KB

      • memory/236-169-0x000001C47D560000-0x000001C47D57E000-memory.dmp

        Filesize

        120KB

      • memory/236-168-0x000001C47D530000-0x000001C47D552000-memory.dmp

        Filesize

        136KB

      • memory/236-166-0x000001C47D4E0000-0x000001C47D530000-memory.dmp

        Filesize

        320KB

      • memory/236-167-0x000001C47D490000-0x000001C47D49C000-memory.dmp

        Filesize

        48KB

      • memory/236-163-0x000001C47DC30000-0x000001C47E158000-memory.dmp

        Filesize

        5.2MB

      • memory/236-161-0x000001C47D6F0000-0x000001C47D6FA000-memory.dmp

        Filesize

        40KB

      • memory/236-162-0x000001C47D470000-0x000001C47D492000-memory.dmp

        Filesize

        136KB

      • memory/236-160-0x000001C47CDA0000-0x000001C47CDAE000-memory.dmp

        Filesize

        56KB

      • memory/236-158-0x000001C47CE50000-0x000001C47CE58000-memory.dmp

        Filesize

        32KB

      • memory/236-156-0x000001C478A30000-0x000001C478D30000-memory.dmp

        Filesize

        3.0MB

      • memory/236-152-0x000001C478230000-0x000001C47823A000-memory.dmp

        Filesize

        40KB

      • memory/236-140-0x000001C45A460000-0x000001C45DD58000-memory.dmp

        Filesize

        57.0MB

      • memory/236-141-0x000001C478480000-0x000001C478590000-memory.dmp

        Filesize

        1.1MB

      • memory/236-142-0x000001C45FA90000-0x000001C45FAA0000-memory.dmp

        Filesize

        64KB

      • memory/236-143-0x000001C478250000-0x000001C47825C000-memory.dmp

        Filesize

        48KB

      • memory/236-144-0x000001C45FAE0000-0x000001C45FAF4000-memory.dmp

        Filesize

        80KB

      • memory/236-145-0x000001C4785D0000-0x000001C4785F4000-memory.dmp

        Filesize

        144KB

      • memory/236-146-0x000001C4785F0000-0x000001C4785FA000-memory.dmp

        Filesize

        40KB

      • memory/236-148-0x000001C4787A0000-0x000001C478852000-memory.dmp

        Filesize

        712KB

      • memory/236-147-0x000001C478770000-0x000001C47879A000-memory.dmp

        Filesize

        168KB

      • memory/236-149-0x000001C478850000-0x000001C4788CA000-memory.dmp

        Filesize

        488KB

      • memory/236-150-0x000001C4788D0000-0x000001C478932000-memory.dmp

        Filesize

        392KB

      • memory/488-127-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/488-139-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/2548-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/2548-1-0x0000000001D70000-0x0000000001E70000-memory.dmp

        Filesize

        1024KB

      • memory/2548-2-0x0000000001CD0000-0x0000000001D3C000-memory.dmp

        Filesize

        432KB

      • memory/2548-30-0x0000000000400000-0x0000000001A32000-memory.dmp

        Filesize

        22.2MB

      • memory/2548-31-0x0000000001CD0000-0x0000000001D3C000-memory.dmp

        Filesize

        432KB

      • memory/2548-32-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/4964-23-0x0000000000400000-0x0000000001A0F000-memory.dmp

        Filesize

        22.1MB

      • memory/4964-126-0x0000000000400000-0x0000000001A0F000-memory.dmp

        Filesize

        22.1MB

      • memory/4964-13-0x0000000000400000-0x0000000001A0F000-memory.dmp

        Filesize

        22.1MB

      • memory/4964-14-0x0000000000400000-0x0000000001A0F000-memory.dmp

        Filesize

        22.1MB

      • memory/4964-33-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB