Analysis

  • max time kernel
    124s
  • max time network
    126s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240426-en
  • resource tags

    arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    10-05-2024 17:16

General

  • Target

    494a05c8b7bb91af71623f0744a0eedf96d59adfcbb8b6f66c397b6ce2949aa5.exe

  • Size

    372KB

  • MD5

    a1981b2fdb7d533e67abd037fc0b9edb

  • SHA1

    b87db7aa3f897e7cfee889a8e983b36fc3766101

  • SHA256

    494a05c8b7bb91af71623f0744a0eedf96d59adfcbb8b6f66c397b6ce2949aa5

  • SHA512

    8b3b46f7bf0f25d9834feff43208591d3cd7b609aba241dd374aa82bde7e51e35406c327939ae415c7b2540061d2b933989b1f3084d541eb3a1240f93957a532

  • SSDEEP

    6144:Tc4ggstOWNGtTEuAvVe7eMLdW6Pv8+Z69v4d0TzDjtsLQrMnpKk+TT6vV:Tc4gntlaQuAvVixPPv8+Z69QOTPhsLvF

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 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\494a05c8b7bb91af71623f0744a0eedf96d59adfcbb8b6f66c397b6ce2949aa5.exe
    "C:\Users\Admin\AppData\Local\Temp\494a05c8b7bb91af71623f0744a0eedf96d59adfcbb8b6f66c397b6ce2949aa5.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2356
    • C:\Users\Admin\AppData\Local\Temp\u1tg.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u1tg.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:4600
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4600 -s 2076
        3⤵
        • Program crash
        PID:4880
    • C:\Users\Admin\AppData\Local\Temp\u1tg.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u1tg.1.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:4460
      • 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:2748
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2356 -s 1532
      2⤵
      • Program crash
      PID:880
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2356 -ip 2356
    1⤵
      PID:2972
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4600 -ip 4600
      1⤵
        PID:1924

      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

        c172bf994eb9524540dbc3d8f525a969

        SHA1

        8c79344c338df93400970a52fe327a52bb0c0072

        SHA256

        c5fed9e582874e3e0a41c6d40fb6b2331ec5de682ea60344661a6f1841ec914c

        SHA512

        6e53438e437f06aece04ba15c9ebaecfcf7546b004ae7079d855d73f6bf70009af32c1f378abf49cf3d0043ca35b47b76f1a7b822e283785c2493e5d343fef9a

      • C:\Users\Admin\AppData\Local\Temp\u1tg.0.exe

        Filesize

        231KB

        MD5

        eabfdaca74d258561209e731259bf818

        SHA1

        5bf324d6792cef6cb1663c88002480029aa8c1a8

        SHA256

        8122ab1285665bacd89fa9865281315c62b94eb10910927283424ff283f5fb1b

        SHA512

        42277497bb262f951f066b1e069c57173832b5cc7697111c80b1a5f95f769fed4a3cc6ff4d96d8ad78f60690fec2a1a7497d8f0b24a6971fd70a67ac63f32ef3

      • C:\Users\Admin\AppData\Local\Temp\u1tg.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/2356-2-0x00000000042C0000-0x000000000432C000-memory.dmp

        Filesize

        432KB

      • memory/2356-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/2356-1-0x00000000027A0000-0x00000000028A0000-memory.dmp

        Filesize

        1024KB

      • memory/2356-65-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/2356-64-0x00000000042C0000-0x000000000432C000-memory.dmp

        Filesize

        432KB

      • memory/2356-63-0x0000000000400000-0x0000000002599000-memory.dmp

        Filesize

        33.6MB

      • memory/2748-147-0x0000021B3D440000-0x0000021B3D54A000-memory.dmp

        Filesize

        1.0MB

      • memory/2748-164-0x0000021B41B00000-0x0000021B41B38000-memory.dmp

        Filesize

        224KB

      • memory/2748-175-0x0000021B42250000-0x0000021B4226E000-memory.dmp

        Filesize

        120KB

      • memory/2748-174-0x0000021B422F0000-0x0000021B42366000-memory.dmp

        Filesize

        472KB

      • memory/2748-173-0x0000021B42210000-0x0000021B4221C000-memory.dmp

        Filesize

        48KB

      • memory/2748-167-0x0000021B42470000-0x0000021B4247A000-memory.dmp

        Filesize

        40KB

      • memory/2748-170-0x0000021B42A20000-0x0000021B42F48000-memory.dmp

        Filesize

        5.2MB

      • memory/2748-146-0x0000021B1F370000-0x0000021B22BA4000-memory.dmp

        Filesize

        56.2MB

      • memory/2748-168-0x0000021B42490000-0x0000021B424F2000-memory.dmp

        Filesize

        392KB

      • memory/2748-149-0x0000021B3D040000-0x0000021B3D04C000-memory.dmp

        Filesize

        48KB

      • memory/2748-148-0x0000021B24950000-0x0000021B24960000-memory.dmp

        Filesize

        64KB

      • memory/2748-150-0x0000021B3D030000-0x0000021B3D044000-memory.dmp

        Filesize

        80KB

      • memory/2748-151-0x0000021B3D0A0000-0x0000021B3D0C4000-memory.dmp

        Filesize

        144KB

      • memory/2748-155-0x0000021B3D3E0000-0x0000021B3D430000-memory.dmp

        Filesize

        320KB

      • memory/2748-154-0x0000021B3D6A0000-0x0000021B3D752000-memory.dmp

        Filesize

        712KB

      • memory/2748-156-0x0000021B3D750000-0x0000021B3D772000-memory.dmp

        Filesize

        136KB

      • memory/2748-153-0x0000021B3D360000-0x0000021B3D38A000-memory.dmp

        Filesize

        168KB

      • memory/2748-152-0x0000021B3D0D0000-0x0000021B3D0DA000-memory.dmp

        Filesize

        40KB

      • memory/2748-157-0x0000021B3D0E0000-0x0000021B3D0EA000-memory.dmp

        Filesize

        40KB

      • memory/2748-161-0x0000021B3D780000-0x0000021B3DA80000-memory.dmp

        Filesize

        3.0MB

      • memory/2748-165-0x0000021B41AD0000-0x0000021B41ADE000-memory.dmp

        Filesize

        56KB

      • memory/2748-166-0x0000021B41AF0000-0x0000021B41AF8000-memory.dmp

        Filesize

        32KB

      • memory/2748-169-0x0000021B421F0000-0x0000021B42212000-memory.dmp

        Filesize

        136KB

      • memory/2748-163-0x0000021B421C0000-0x0000021B421C8000-memory.dmp

        Filesize

        32KB

      • memory/4460-145-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/4460-134-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/4600-29-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/4600-13-0x0000000000400000-0x0000000002576000-memory.dmp

        Filesize

        33.5MB

      • memory/4600-14-0x0000000000400000-0x0000000002576000-memory.dmp

        Filesize

        33.5MB

      • memory/4600-131-0x0000000000400000-0x0000000002576000-memory.dmp

        Filesize

        33.5MB

      • memory/4600-23-0x0000000000400000-0x0000000002576000-memory.dmp

        Filesize

        33.5MB