Analysis

  • max time kernel
    132s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-05-2024 00:23

General

  • Target

    85fff1ac1cab4d1900bb87d43e229105f59563eacc3ebccb625bae9d15a93cc7.exe

  • Size

    387KB

  • MD5

    34da1af4b48a285ff299f8155b04ae62

  • SHA1

    792a29c1c73b25fff1f264ac773f67094e110147

  • SHA256

    85fff1ac1cab4d1900bb87d43e229105f59563eacc3ebccb625bae9d15a93cc7

  • SHA512

    a053b25f158f4829db79b3152a2d94e7fad58fdd91a974760d048cceea9ec0fec0636f4d1ebcf2b7c03e7adfbd162ddca6b9816956d5b46f95644d7d943a0297

  • SSDEEP

    6144:JzP+6ZWEAS2YtQTTtNLiamb2gWwfGtUyeWPwj7Z9o4T9o6:JzP+6sjS3EjLKbdGtqfjC6

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\85fff1ac1cab4d1900bb87d43e229105f59563eacc3ebccb625bae9d15a93cc7.exe
    "C:\Users\Admin\AppData\Local\Temp\85fff1ac1cab4d1900bb87d43e229105f59563eacc3ebccb625bae9d15a93cc7.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1080
    • C:\Users\Admin\AppData\Local\Temp\uu0.0.exe
      "C:\Users\Admin\AppData\Local\Temp\uu0.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:2180
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2180 -s 2028
        3⤵
        • Program crash
        PID:2504
    • C:\Users\Admin\AppData\Local\Temp\uu0.1.exe
      "C:\Users\Admin\AppData\Local\Temp\uu0.1.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:4504
      • 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:4520
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1080 -s 968
      2⤵
      • Program crash
      PID:2524
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1080 -ip 1080
    1⤵
      PID:2600
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2180 -ip 2180
      1⤵
        PID:2884

      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

        ac8bee50161ab7c8f73f37f2053981ea

        SHA1

        ee86bfc321b0eb593a9306b2d3d7adf46c8ec8f1

        SHA256

        c964faa42ec2a371fa6bd10fd791bc51db494f012635d17bb81dc0e6dbb468d5

        SHA512

        7124e2dd6b958ad63bbc38aea237d8f17790d984e25a0d303fe59f5f6f04a23a98e7bcf72250e0e70c42a5fc5deb57ac68a2292314be75597f3cdaddf0d0e2cb

      • C:\Users\Admin\AppData\Local\Temp\uu0.0.exe

        Filesize

        245KB

        MD5

        dd87d2cb25ca0057e220c143dd4b628e

        SHA1

        48238804ea2bee1cb0cf1e1c946a12bfc1265a15

        SHA256

        e07d3383a78b7b05cd27cf2f569c6e93026e9f40dff4ccb8ec81efafa6b2b23f

        SHA512

        bc7a14eb4b49df3f99028b1ae6dadf6bbca205d564c13c7dc2d05641a9e0d06558eb0bf67aaf51cf5c9c70c9963fe6265755259dae8e643484b0124796f57ff3

      • C:\Users\Admin\AppData\Local\Temp\uu0.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/1080-31-0x00000000041C0000-0x000000000422C000-memory.dmp

        Filesize

        432KB

      • memory/1080-27-0x0000000000400000-0x000000000259D000-memory.dmp

        Filesize

        33.6MB

      • memory/1080-32-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/1080-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/1080-2-0x00000000041C0000-0x000000000422C000-memory.dmp

        Filesize

        432KB

      • memory/1080-1-0x0000000002650000-0x0000000002750000-memory.dmp

        Filesize

        1024KB

      • memory/2180-34-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/2180-142-0x0000000000400000-0x0000000002579000-memory.dmp

        Filesize

        33.5MB

      • memory/2180-136-0x0000000000400000-0x0000000002579000-memory.dmp

        Filesize

        33.5MB

      • memory/4504-137-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/4504-141-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/4520-145-0x000001EDC6CE0000-0x000001EDC6CF0000-memory.dmp

        Filesize

        64KB

      • memory/4520-154-0x000001EDDF550000-0x000001EDDF55A000-memory.dmp

        Filesize

        40KB

      • memory/4520-146-0x000001EDC6D00000-0x000001EDC6D0C000-memory.dmp

        Filesize

        48KB

      • memory/4520-143-0x000001EDC1720000-0x000001EDC4F54000-memory.dmp

        Filesize

        56.2MB

      • memory/4520-147-0x000001EDC6CF0000-0x000001EDC6D04000-memory.dmp

        Filesize

        80KB

      • memory/4520-148-0x000001EDDF520000-0x000001EDDF544000-memory.dmp

        Filesize

        144KB

      • memory/4520-149-0x000001EDDF540000-0x000001EDDF54A000-memory.dmp

        Filesize

        40KB

      • memory/4520-150-0x000001EDE0D90000-0x000001EDE0DBA000-memory.dmp

        Filesize

        168KB

      • memory/4520-151-0x000001EDE0DC0000-0x000001EDE0E72000-memory.dmp

        Filesize

        712KB

      • memory/4520-152-0x000001EDE1270000-0x000001EDE12C0000-memory.dmp

        Filesize

        320KB

      • memory/4520-153-0x000001EDE0FB0000-0x000001EDE0FD2000-memory.dmp

        Filesize

        136KB

      • memory/4520-144-0x000001EDE1020000-0x000001EDE112A000-memory.dmp

        Filesize

        1.0MB

      • memory/4520-158-0x000001EDE12C0000-0x000001EDE15C0000-memory.dmp

        Filesize

        3.0MB

      • memory/4520-160-0x000001EDE4F50000-0x000001EDE4F58000-memory.dmp

        Filesize

        32KB

      • memory/4520-161-0x000001EDE5650000-0x000001EDE5688000-memory.dmp

        Filesize

        224KB

      • memory/4520-162-0x000001EDE5620000-0x000001EDE562E000-memory.dmp

        Filesize

        56KB

      • memory/4520-163-0x000001EDE5640000-0x000001EDE5648000-memory.dmp

        Filesize

        32KB

      • memory/4520-164-0x000001EDE64E0000-0x000001EDE64EA000-memory.dmp

        Filesize

        40KB

      • memory/4520-165-0x000001EDE6790000-0x000001EDE67F2000-memory.dmp

        Filesize

        392KB

      • memory/4520-166-0x000001EDE67F0000-0x000001EDE6812000-memory.dmp

        Filesize

        136KB

      • memory/4520-167-0x000001EDE6D40000-0x000001EDE7268000-memory.dmp

        Filesize

        5.2MB

      • memory/4520-170-0x000001EDE6500000-0x000001EDE650C000-memory.dmp

        Filesize

        48KB

      • memory/4520-171-0x000001EDE68E0000-0x000001EDE6956000-memory.dmp

        Filesize

        472KB

      • memory/4520-172-0x000001EDE6840000-0x000001EDE685E000-memory.dmp

        Filesize

        120KB