Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/05/2024, 07:58

General

  • Target

    de7f8e32e70784d9e221d56fa42a51653418239a35927c699b0dbae2a5e1a317.exe

  • Size

    372KB

  • MD5

    911f1ef4f925832eb9032f519f7ecfbd

  • SHA1

    9286fb65e0b9844c1218f46a793bd8f722014d99

  • SHA256

    de7f8e32e70784d9e221d56fa42a51653418239a35927c699b0dbae2a5e1a317

  • SHA512

    7f14b6480aa6c93a9a530fc4fed62461f3a23aa262ea7156f905e90cb3f94f08de386312ecf0cffc8b416faa6f25067a140461867f927b5ebdc67548ed7c072f

  • SSDEEP

    6144:oetK0xCObQ2fKaCJVeUg8gSX9THaaQJdHuU+7SH5t6VYTZfm6:oetKRixyaCWDORJQJdHuU+7SZtNZ+6

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 24 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\de7f8e32e70784d9e221d56fa42a51653418239a35927c699b0dbae2a5e1a317.exe
    "C:\Users\Admin\AppData\Local\Temp\de7f8e32e70784d9e221d56fa42a51653418239a35927c699b0dbae2a5e1a317.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1608
    • C:\Users\Admin\AppData\Local\Temp\u18o.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u18o.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:4416
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4416 -s 2008
        3⤵
        • Program crash
        PID:2744
    • C:\Users\Admin\AppData\Local\Temp\u18o.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u18o.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:1896
      • 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:3092
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1608 -s 1144
      2⤵
      • Program crash
      PID:1188
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1608 -ip 1608
    1⤵
      PID:4968
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 4416 -ip 4416
      1⤵
        PID:5056

      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

        307f84a73c9645cdd0ed40e30a1bfb40

        SHA1

        fba46a163d6d5e1fdfa1e7c4b29a510744d3a227

        SHA256

        fc16293fde12dccda07f8d6257799ec294068dc4354dd4540efe2419821d4aed

        SHA512

        16eae6884cb2014538f1e5c4ba405485b5676e3ca14e4ddacc9c6b32eb7df016584bde2b60e780dbcfa34cd235a4f8e6f85d3c461dd81756aa8c7b5388209434

      • C:\Users\Admin\AppData\Local\Temp\u18o.0.exe

        Filesize

        230KB

        MD5

        adaa7779ccd1879d9466706724ca2974

        SHA1

        af546b538b5362ee19131e8d30b633c817417d15

        SHA256

        7109bdc186a84c29affbe2882b747b8c32587ce4e8d4b39e770faa06d94431d8

        SHA512

        96fa1c074b4f268393f17b400711898178ce8479272d5b6ca1405568dbe63cc618b46bfb5b80a8b97a7a796f6d4b60c3727beb2b2a13d7e749b3746b736bff87

      • C:\Users\Admin\AppData\Local\Temp\u18o.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/1608-30-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/1608-29-0x00000000041E0000-0x000000000424C000-memory.dmp

        Filesize

        432KB

      • memory/1608-28-0x0000000000400000-0x0000000002599000-memory.dmp

        Filesize

        33.6MB

      • memory/1608-12-0x0000000000400000-0x0000000002599000-memory.dmp

        Filesize

        33.6MB

      • memory/1608-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/1608-1-0x0000000002740000-0x0000000002840000-memory.dmp

        Filesize

        1024KB

      • memory/1608-2-0x00000000041E0000-0x000000000424C000-memory.dmp

        Filesize

        432KB

      • memory/1896-51-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/1896-64-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/3092-151-0x000002033DE40000-0x000002033DE48000-memory.dmp

        Filesize

        32KB

      • memory/3092-148-0x000002033E510000-0x000002033E518000-memory.dmp

        Filesize

        32KB

      • memory/3092-121-0x0000020339530000-0x000002033953C000-memory.dmp

        Filesize

        48KB

      • memory/3092-120-0x0000020337C60000-0x0000020337C70000-memory.dmp

        Filesize

        64KB

      • memory/3092-122-0x0000020339520000-0x0000020339534000-memory.dmp

        Filesize

        80KB

      • memory/3092-123-0x00000203395A0000-0x00000203395C4000-memory.dmp

        Filesize

        144KB

      • memory/3092-101-0x0000020319F70000-0x000002031D7A4000-memory.dmp

        Filesize

        56.2MB

      • memory/3092-136-0x0000020339500000-0x000002033950A000-memory.dmp

        Filesize

        40KB

      • memory/3092-137-0x00000203395D0000-0x00000203395FA000-memory.dmp

        Filesize

        168KB

      • memory/3092-138-0x00000203399C0000-0x0000020339A72000-memory.dmp

        Filesize

        712KB

      • memory/3092-139-0x0000020339AC0000-0x0000020339B10000-memory.dmp

        Filesize

        320KB

      • memory/3092-140-0x0000020339A70000-0x0000020339A92000-memory.dmp

        Filesize

        136KB

      • memory/3092-142-0x0000020339510000-0x000002033951A000-memory.dmp

        Filesize

        40KB

      • memory/3092-146-0x0000020339B10000-0x0000020339E10000-memory.dmp

        Filesize

        3.0MB

      • memory/3092-160-0x000002033EE00000-0x000002033EE1E000-memory.dmp

        Filesize

        120KB

      • memory/3092-119-0x0000020339770000-0x000002033987A000-memory.dmp

        Filesize

        1.0MB

      • memory/3092-149-0x000002033DE50000-0x000002033DE88000-memory.dmp

        Filesize

        224KB

      • memory/3092-150-0x000002033DE20000-0x000002033DE2E000-memory.dmp

        Filesize

        56KB

      • memory/3092-159-0x000002033EEA0000-0x000002033EF16000-memory.dmp

        Filesize

        472KB

      • memory/3092-152-0x000002033EFC0000-0x000002033EFCA000-memory.dmp

        Filesize

        40KB

      • memory/3092-153-0x000002033ED40000-0x000002033EDA2000-memory.dmp

        Filesize

        392KB

      • memory/3092-154-0x000002033EDA0000-0x000002033EDC2000-memory.dmp

        Filesize

        136KB

      • memory/3092-155-0x000002033F500000-0x000002033FA28000-memory.dmp

        Filesize

        5.2MB

      • memory/3092-158-0x000002033EDC0000-0x000002033EDCC000-memory.dmp

        Filesize

        48KB

      • memory/4416-65-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/4416-141-0x0000000000400000-0x0000000002575000-memory.dmp

        Filesize

        33.5MB

      • memory/4416-168-0x0000000000400000-0x0000000002575000-memory.dmp

        Filesize

        33.5MB

      • memory/4416-63-0x0000000000400000-0x0000000002575000-memory.dmp

        Filesize

        33.5MB

      • memory/4416-178-0x0000000000400000-0x0000000002575000-memory.dmp

        Filesize

        33.5MB