Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-05-2024 17:23

General

  • Target

    57d32a6ee7ded04e612eb459fdd91b232009f253a86038ab2798f66b760daef6.exe

  • Size

    372KB

  • MD5

    d0408852e9e32afcbd649688e7468b6b

  • SHA1

    83a10133dc3a52c50dcc9d6143a5fa1abdb47076

  • SHA256

    57d32a6ee7ded04e612eb459fdd91b232009f253a86038ab2798f66b760daef6

  • SHA512

    663c6f97808da4b47a642b0043a1df11465cc11f193def532ef69368cf39baf7db0038a49bb67a512cfbbd98490af4dd9bc586d033fc67470af1b8afa235e6fd

  • SSDEEP

    6144:Tc4ggstOWNGtTEuAvVe7eMLdW6Pv8+Z69v4d0TzDjtsLQrMnpKk+TT6vY:Tc4gntlaQuAvVixPPv8+Z69QOTPhsLvI

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 25 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\57d32a6ee7ded04e612eb459fdd91b232009f253a86038ab2798f66b760daef6.exe
    "C:\Users\Admin\AppData\Local\Temp\57d32a6ee7ded04e612eb459fdd91b232009f253a86038ab2798f66b760daef6.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3348
    • C:\Users\Admin\AppData\Local\Temp\u2l0.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u2l0.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:3952
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3952 -s 2304
        3⤵
        • Program crash
        PID:1096
    • C:\Users\Admin\AppData\Local\Temp\u2l0.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u2l0.1.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:664
      • 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:1176
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3348 -s 1152
      2⤵
      • Program crash
      PID:2024
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3348 -ip 3348
    1⤵
      PID:3144
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 3952 -ip 3952
      1⤵
        PID:4764

      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

        25a5a06718f4b0aedafba041875d0013

        SHA1

        ac511bd629c9d6b1cc544e60de9d07cba2e0e301

        SHA256

        cf2807a7b96bfbffae87708d5c5920819aa5466bab02d22aa7d2a1fe2cfbd625

        SHA512

        e4b0d161d506b8c51ae8a0905cf77a79d4256ef4fe70d275410c794194b105b397f65b92be366d9141a83ee05162efc4464dbc8754ed5fb9777e6ed76be5f4db

      • C:\Users\Admin\AppData\Local\Temp\u2l0.0.exe

        Filesize

        231KB

        MD5

        eabfdaca74d258561209e731259bf818

        SHA1

        5bf324d6792cef6cb1663c88002480029aa8c1a8

        SHA256

        8122ab1285665bacd89fa9865281315c62b94eb10910927283424ff283f5fb1b

        SHA512

        42277497bb262f951f066b1e069c57173832b5cc7697111c80b1a5f95f769fed4a3cc6ff4d96d8ad78f60690fec2a1a7497d8f0b24a6971fd70a67ac63f32ef3

      • C:\Users\Admin\AppData\Local\Temp\u2l0.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/664-61-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/664-58-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/1176-71-0x0000029A7C940000-0x0000029A7C990000-memory.dmp

        Filesize

        320KB

      • memory/1176-82-0x0000029A7ECC0000-0x0000029A7ECC8000-memory.dmp

        Filesize

        32KB

      • memory/1176-91-0x0000029A7ED30000-0x0000029A7ED4E000-memory.dmp

        Filesize

        120KB

      • memory/1176-62-0x0000029A756E0000-0x0000029A78F14000-memory.dmp

        Filesize

        56.2MB

      • memory/1176-65-0x0000029A7ADD0000-0x0000029A7ADDC000-memory.dmp

        Filesize

        48KB

      • memory/1176-66-0x0000029A7ADC0000-0x0000029A7ADD4000-memory.dmp

        Filesize

        80KB

      • memory/1176-64-0x0000029A7ADB0000-0x0000029A7ADC0000-memory.dmp

        Filesize

        64KB

      • memory/1176-63-0x0000029A7C440000-0x0000029A7C54A000-memory.dmp

        Filesize

        1.0MB

      • memory/1176-67-0x0000029A7ADF0000-0x0000029A7AE14000-memory.dmp

        Filesize

        144KB

      • memory/1176-68-0x0000029A7AC50000-0x0000029A7AC5A000-memory.dmp

        Filesize

        40KB

      • memory/1176-69-0x0000029A7C810000-0x0000029A7C8C2000-memory.dmp

        Filesize

        712KB

      • memory/1176-70-0x0000029A7C8C0000-0x0000029A7C8EA000-memory.dmp

        Filesize

        168KB

      • memory/1176-90-0x0000029A7F1B0000-0x0000029A7F226000-memory.dmp

        Filesize

        472KB

      • memory/1176-72-0x0000029A7C990000-0x0000029A7C9B2000-memory.dmp

        Filesize

        136KB

      • memory/1176-73-0x0000029A7AC60000-0x0000029A7AC6A000-memory.dmp

        Filesize

        40KB

      • memory/1176-77-0x0000029A7C9C0000-0x0000029A7CCC0000-memory.dmp

        Filesize

        3.0MB

      • memory/1176-79-0x0000029A7E620000-0x0000029A7E628000-memory.dmp

        Filesize

        32KB

      • memory/1176-89-0x0000029A1AB00000-0x0000029A1AB0C000-memory.dmp

        Filesize

        48KB

      • memory/1176-81-0x0000029A7ECB0000-0x0000029A7ECBE000-memory.dmp

        Filesize

        56KB

      • memory/1176-80-0x0000029A7ECF0000-0x0000029A7ED28000-memory.dmp

        Filesize

        224KB

      • memory/1176-84-0x0000029A1ADA0000-0x0000029A1AE02000-memory.dmp

        Filesize

        392KB

      • memory/1176-83-0x0000029A1AD80000-0x0000029A1AD8A000-memory.dmp

        Filesize

        40KB

      • memory/1176-85-0x0000029A1AE00000-0x0000029A1AE22000-memory.dmp

        Filesize

        136KB

      • memory/1176-86-0x0000029A1B350000-0x0000029A1B878000-memory.dmp

        Filesize

        5.2MB

      • memory/3348-26-0x0000000000400000-0x0000000002599000-memory.dmp

        Filesize

        33.6MB

      • memory/3348-1-0x00000000028F0000-0x00000000029F0000-memory.dmp

        Filesize

        1024KB

      • memory/3348-28-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/3348-27-0x0000000002850000-0x00000000028BC000-memory.dmp

        Filesize

        432KB

      • memory/3348-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/3348-2-0x0000000002850000-0x00000000028BC000-memory.dmp

        Filesize

        432KB

      • memory/3952-92-0x0000000000400000-0x0000000002576000-memory.dmp

        Filesize

        33.5MB

      • memory/3952-94-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/3952-180-0x0000000000400000-0x0000000002576000-memory.dmp

        Filesize

        33.5MB