Analysis

  • max time kernel
    135s
  • max time network
    135s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-05-2024 04:52

General

  • Target

    2850cc08e81d0c629a1510a67f465316beeca0c86bfeeed55fc3dd333eb6fbe9.exe

  • Size

    416KB

  • MD5

    8cef32e368c0adcc2916dc3a57285802

  • SHA1

    087e2fc9f317fe88090293c02f2595ae86e2a7a3

  • SHA256

    2850cc08e81d0c629a1510a67f465316beeca0c86bfeeed55fc3dd333eb6fbe9

  • SHA512

    8fae53d3a83346e1cd8152432f0caf2b00f44e4a57cf8d21c00a1637bf5334a6dc1877869d699930714e1bfd0b7d23af6ea19a47caa116fc790ece5d29ff3b5c

  • SSDEEP

    6144:EkIIKkd5F7LcRmt5tuGEBQ4ZHXbA/3TntkIKcqFWWgfLR8tai4:E3DkzF7gmt5tuPBQ6LO3btbKnuLWtf4

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 28 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\2850cc08e81d0c629a1510a67f465316beeca0c86bfeeed55fc3dd333eb6fbe9.exe
    "C:\Users\Admin\AppData\Local\Temp\2850cc08e81d0c629a1510a67f465316beeca0c86bfeeed55fc3dd333eb6fbe9.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:396
    • C:\Users\Admin\AppData\Local\Temp\ub0.0.exe
      "C:\Users\Admin\AppData\Local\Temp\ub0.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:4820
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4820 -s 2180
        3⤵
        • Program crash
        PID:3612
    • C:\Users\Admin\AppData\Local\Temp\ub0.1.exe
      "C:\Users\Admin\AppData\Local\Temp\ub0.1.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:1284
      • 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:4728
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 396 -s 1152
      2⤵
      • Program crash
      PID:2980
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 396 -ip 396
    1⤵
      PID:2252
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4820 -ip 4820
      1⤵
        PID:2600

      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

        2KB

        MD5

        8df9c4972c7f86934d0bc7c42f971fa0

        SHA1

        e610a78ee87919cba95d74d61816dc6ff34eaa43

        SHA256

        ee0fb3c91d31d6159ca599d0d4cfb2c3e52a2793027aa3c43917de0fa8e41539

        SHA512

        ca2fae7009e5f98ea6436a52b2682fc896ad2dbcc5d2acc35bc48ccc33236658dffec327a24a9ff1550c4868d978ac2de538303031fe2f8168f3de3dc585f581

      • C:\Users\Admin\AppData\Local\Temp\ub0.0.exe

        Filesize

        275KB

        MD5

        31c1bdc2c9075e8c2eab9353c41c117f

        SHA1

        ab28fb009dc8c2fa244c773760109e38711b1025

        SHA256

        4e08b9b37494a1917d2ab809fff59b3a45673a80d25587e51c8749331bb56233

        SHA512

        78b995611e33b441e9ebaeecbbce3ec96bbfcac7f71bd0f639ab1e3394900be5c80893dfc8957b696609eca7ce1933d58f026c7be389795f0dcc72ad3fc35593

      • C:\Users\Admin\AppData\Local\Temp\ub0.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/396-67-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/396-66-0x0000000001BB0000-0x0000000001C1C000-memory.dmp

        Filesize

        432KB

      • memory/396-65-0x0000000000400000-0x0000000001A32000-memory.dmp

        Filesize

        22.2MB

      • memory/396-1-0x0000000001C20000-0x0000000001D20000-memory.dmp

        Filesize

        1024KB

      • memory/396-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/396-2-0x0000000001BB0000-0x0000000001C1C000-memory.dmp

        Filesize

        432KB

      • memory/1284-120-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/1284-132-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/4728-139-0x0000027446C00000-0x0000027446C24000-memory.dmp

        Filesize

        144KB

      • memory/4728-157-0x000002744DC20000-0x000002744E148000-memory.dmp

        Filesize

        5.2MB

      • memory/4728-167-0x000002744D520000-0x000002744D53E000-memory.dmp

        Filesize

        120KB

      • memory/4728-134-0x0000027428D90000-0x000002742C688000-memory.dmp

        Filesize

        57.0MB

      • memory/4728-135-0x0000027447DA0000-0x0000027447EB0000-memory.dmp

        Filesize

        1.1MB

      • memory/4728-136-0x000002742E3E0000-0x000002742E3F0000-memory.dmp

        Filesize

        64KB

      • memory/4728-137-0x0000027446BF0000-0x0000027446BFC000-memory.dmp

        Filesize

        48KB

      • memory/4728-138-0x0000027446BE0000-0x0000027446BF4000-memory.dmp

        Filesize

        80KB

      • memory/4728-166-0x000002744D4F0000-0x000002744D512000-memory.dmp

        Filesize

        136KB

      • memory/4728-140-0x0000027446C20000-0x0000027446C2A000-memory.dmp

        Filesize

        40KB

      • memory/4728-141-0x0000027447FF0000-0x00000274480A2000-memory.dmp

        Filesize

        712KB

      • memory/4728-142-0x0000027447C00000-0x0000027447C2A000-memory.dmp

        Filesize

        168KB

      • memory/4728-143-0x00000274480A0000-0x000002744811A000-memory.dmp

        Filesize

        488KB

      • memory/4728-144-0x0000027448120000-0x0000027448182000-memory.dmp

        Filesize

        392KB

      • memory/4728-145-0x0000027448200000-0x0000027448276000-memory.dmp

        Filesize

        472KB

      • memory/4728-146-0x0000027446C40000-0x0000027446C4A000-memory.dmp

        Filesize

        40KB

      • memory/4728-150-0x0000027448280000-0x0000027448580000-memory.dmp

        Filesize

        3.0MB

      • memory/4728-152-0x000002744C5E0000-0x000002744C5E8000-memory.dmp

        Filesize

        32KB

      • memory/4728-153-0x000002744C560000-0x000002744C598000-memory.dmp

        Filesize

        224KB

      • memory/4728-154-0x000002744C530000-0x000002744C53E000-memory.dmp

        Filesize

        56KB

      • memory/4728-155-0x000002744C5D0000-0x000002744C5DA000-memory.dmp

        Filesize

        40KB

      • memory/4728-156-0x000002744D6D0000-0x000002744D6F2000-memory.dmp

        Filesize

        136KB

      • memory/4728-161-0x000002744D450000-0x000002744D45C000-memory.dmp

        Filesize

        48KB

      • memory/4728-160-0x000002744D4A0000-0x000002744D4F0000-memory.dmp

        Filesize

        320KB

      • memory/4820-119-0x0000000000400000-0x0000000001A0F000-memory.dmp

        Filesize

        22.1MB

      • memory/4820-17-0x0000000000400000-0x0000000001A0F000-memory.dmp

        Filesize

        22.1MB

      • memory/4820-33-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/4820-177-0x0000000000400000-0x0000000001A0F000-memory.dmp

        Filesize

        22.1MB

      • memory/4820-178-0x0000000000400000-0x0000000001A0F000-memory.dmp

        Filesize

        22.1MB

      • memory/4820-16-0x0000000000400000-0x0000000001A0F000-memory.dmp

        Filesize

        22.1MB

      • memory/4820-188-0x0000000000400000-0x0000000001A0F000-memory.dmp

        Filesize

        22.1MB