Analysis

  • max time kernel
    135s
  • max time network
    139s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240419-en
  • resource tags

    arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    07/05/2024, 19:20

General

  • Target

    fd50385e974c00299e54e10c8e1ee8db4e717562035cff3f2341c60a5d071a0d.exe

  • Size

    407KB

  • MD5

    af3a6c8c8575a900edf689baac92c329

  • SHA1

    f3af1034a0c238892ac1041f8fa2637b644704e5

  • SHA256

    fd50385e974c00299e54e10c8e1ee8db4e717562035cff3f2341c60a5d071a0d

  • SHA512

    67cfe30d1ec7cb7aa33348e32e6936959a842b612bfc6f79e291097f2e4e35ba9128f9af6cc8db0ea3411e8f76f3b0abf5d0a58b1e856d33511d6fa677f0eee3

  • SSDEEP

    6144:OYNTarFOqusAPfwQzYGEfmEPOa9oBWPjuz3UlrAM0WHfa:nNkFnAHZvEfmEPOak0jMgr7a

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 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\fd50385e974c00299e54e10c8e1ee8db4e717562035cff3f2341c60a5d071a0d.exe
    "C:\Users\Admin\AppData\Local\Temp\fd50385e974c00299e54e10c8e1ee8db4e717562035cff3f2341c60a5d071a0d.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3696
    • C:\Users\Admin\AppData\Local\Temp\u2uo.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u2uo.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:2944
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2944 -s 2464
        3⤵
        • Program crash
        PID:3284
    • C:\Users\Admin\AppData\Local\Temp\u2uo.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u2uo.1.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2164
      • 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:5040
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3696 -s 1164
      2⤵
      • Program crash
      PID:2664
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3696 -ip 3696
    1⤵
      PID:2880
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 2944 -ip 2944
      1⤵
        PID:3600

      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

        601feefd04eac970c6b111bde8041cd9

        SHA1

        b12619246dc0885815b8e377f7a2b375203a24bb

        SHA256

        31d786b20d17156bc14fa8478524937842b8aef72eab20d3a59a62c2edb50f3f

        SHA512

        d0ecf71a7ddf00f6eaa973cc2176932528d0c366b5754c6484042b8c17e91e0f2995e1fa0e760c7ce32b65cd68d1780479d3ba44ad790ecd07a3fb9e34c45b23

      • C:\Users\Admin\AppData\Local\Temp\u2uo.0.exe

        Filesize

        266KB

        MD5

        2fa41a8338ed50713e077c198523130f

        SHA1

        079f8148144a4c24acd87f6a30b6baf83ed79576

        SHA256

        fe4b567f7d0775b4b0b44454d8fc2223bdd4a1311b2862687960e402c38b0693

        SHA512

        499c72b67519ec0b70a9d6c0453bff2754e968d048ed9ad95ab8d3b2e443427178abc9e1b64b9e5b5cb000bd7c880559012d21ec7368726794727662995c09b5

      • C:\Users\Admin\AppData\Local\Temp\u2uo.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/2164-51-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/2164-62-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/2944-170-0x0000000000400000-0x0000000002AFF000-memory.dmp

        Filesize

        39.0MB

      • memory/2944-91-0x0000000000400000-0x0000000002AFF000-memory.dmp

        Filesize

        39.0MB

      • memory/2944-92-0x0000000000400000-0x0000000002AFF000-memory.dmp

        Filesize

        39.0MB

      • memory/2944-94-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/3696-13-0x0000000000400000-0x0000000002B23000-memory.dmp

        Filesize

        39.1MB

      • memory/3696-28-0x0000000000400000-0x0000000002B23000-memory.dmp

        Filesize

        39.1MB

      • memory/3696-33-0x0000000004870000-0x00000000048DC000-memory.dmp

        Filesize

        432KB

      • memory/3696-34-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/3696-1-0x0000000002BF0000-0x0000000002CF0000-memory.dmp

        Filesize

        1024KB

      • memory/3696-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/3696-2-0x0000000004870000-0x00000000048DC000-memory.dmp

        Filesize

        432KB

      • memory/5040-71-0x0000019C66320000-0x0000019C663D2000-memory.dmp

        Filesize

        712KB

      • memory/5040-85-0x0000019C6B170000-0x0000019C6B1D2000-memory.dmp

        Filesize

        392KB

      • memory/5040-72-0x0000019C66420000-0x0000019C66470000-memory.dmp

        Filesize

        320KB

      • memory/5040-73-0x0000019C663D0000-0x0000019C663F2000-memory.dmp

        Filesize

        136KB

      • memory/5040-74-0x0000019C66000000-0x0000019C6600A000-memory.dmp

        Filesize

        40KB

      • memory/5040-78-0x0000019C66470000-0x0000019C66770000-memory.dmp

        Filesize

        3.0MB

      • memory/5040-80-0x0000019C6AEA0000-0x0000019C6AEA8000-memory.dmp

        Filesize

        32KB

      • memory/5040-81-0x0000019C6A7E0000-0x0000019C6A818000-memory.dmp

        Filesize

        224KB

      • memory/5040-82-0x0000019C6A7B0000-0x0000019C6A7BE000-memory.dmp

        Filesize

        56KB

      • memory/5040-83-0x0000019C6A7D0000-0x0000019C6A7D8000-memory.dmp

        Filesize

        32KB

      • memory/5040-84-0x0000019C6B150000-0x0000019C6B15A000-memory.dmp

        Filesize

        40KB

      • memory/5040-70-0x0000019C66030000-0x0000019C6605A000-memory.dmp

        Filesize

        168KB

      • memory/5040-86-0x0000019C6AED0000-0x0000019C6AEF2000-memory.dmp

        Filesize

        136KB

      • memory/5040-87-0x0000019C6B700000-0x0000019C6BC28000-memory.dmp

        Filesize

        5.2MB

      • memory/5040-90-0x0000019C6AEF0000-0x0000019C6AEFC000-memory.dmp

        Filesize

        48KB

      • memory/5040-69-0x0000019C65FF0000-0x0000019C65FFA000-memory.dmp

        Filesize

        40KB

      • memory/5040-93-0x0000019C6AFD0000-0x0000019C6B046000-memory.dmp

        Filesize

        472KB

      • memory/5040-68-0x0000019C65FC0000-0x0000019C65FE4000-memory.dmp

        Filesize

        144KB

      • memory/5040-67-0x0000019C65F50000-0x0000019C65F64000-memory.dmp

        Filesize

        80KB

      • memory/5040-136-0x0000019C6AF30000-0x0000019C6AF4E000-memory.dmp

        Filesize

        120KB

      • memory/5040-66-0x0000019C65F60000-0x0000019C65F6C000-memory.dmp

        Filesize

        48KB

      • memory/5040-65-0x0000019C4D5C0000-0x0000019C4D5D0000-memory.dmp

        Filesize

        64KB

      • memory/5040-64-0x0000019C660C0000-0x0000019C661CA000-memory.dmp

        Filesize

        1.0MB

      • memory/5040-63-0x0000019C48050000-0x0000019C4B884000-memory.dmp

        Filesize

        56.2MB