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, 07:46

General

  • Target

    ded2c2964f21cb0f3b993197267fb5d0.exe

  • Size

    366KB

  • MD5

    ded2c2964f21cb0f3b993197267fb5d0

  • SHA1

    e5ae61b319aba414f857d91ed33118146e1dcf6e

  • SHA256

    e21ea1ce6faa67758c820372736df655dbf70f05928d93f754dc1e01fd15b618

  • SHA512

    4335e720fe3e9bdce2c01544e7aedbdeb4f1bb913106759aae5bc0cb212e3a917af89f11b27f7d593a039140613ee383fc35b483c5d6509ab92fccf462dc79a1

  • SSDEEP

    6144:OumbY5CsTONMI5+dcIIMprOeXcoEo7f6Z1:OFEQhmI5mtDdOe1EoOZ1

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 23 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\ded2c2964f21cb0f3b993197267fb5d0.exe
    "C:\Users\Admin\AppData\Local\Temp\ded2c2964f21cb0f3b993197267fb5d0.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1564
    • C:\Users\Admin\AppData\Local\Temp\u17g.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u17g.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:2624
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2624 -s 1976
        3⤵
        • Program crash
        PID:1536
    • C:\Users\Admin\AppData\Local\Temp\u17g.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u17g.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:2528
      • 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:3368
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1564 -s 1588
      2⤵
      • Program crash
      PID:2596
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1564 -ip 1564
    1⤵
      PID:4616
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 2624 -ip 2624
      1⤵
        PID:220

      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\u17g.0.exe

        Filesize

        230KB

        MD5

        adaa7779ccd1879d9466706724ca2974

        SHA1

        af546b538b5362ee19131e8d30b633c817417d15

        SHA256

        7109bdc186a84c29affbe2882b747b8c32587ce4e8d4b39e770faa06d94431d8

        SHA512

        96fa1c074b4f268393f17b400711898178ce8479272d5b6ca1405568dbe63cc618b46bfb5b80a8b97a7a796f6d4b60c3727beb2b2a13d7e749b3746b736bff87

      • C:\Users\Admin\AppData\Local\Temp\u17g.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/1564-14-0x0000000000400000-0x0000000002B19000-memory.dmp

        Filesize

        39.1MB

      • memory/1564-4-0x0000000000400000-0x0000000002B19000-memory.dmp

        Filesize

        39.1MB

      • memory/1564-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/1564-1-0x0000000002B80000-0x0000000002C80000-memory.dmp

        Filesize

        1024KB

      • memory/1564-18-0x0000000002B80000-0x0000000002C80000-memory.dmp

        Filesize

        1024KB

      • memory/1564-19-0x0000000004760000-0x00000000047CC000-memory.dmp

        Filesize

        432KB

      • memory/1564-20-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/1564-37-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/1564-36-0x0000000000400000-0x0000000002B19000-memory.dmp

        Filesize

        39.1MB

      • memory/1564-2-0x0000000004760000-0x00000000047CC000-memory.dmp

        Filesize

        432KB

      • memory/2528-97-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/2528-113-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/2624-15-0x0000000000400000-0x0000000002575000-memory.dmp

        Filesize

        33.5MB

      • memory/2624-101-0x0000000000400000-0x0000000002575000-memory.dmp

        Filesize

        33.5MB

      • memory/2624-43-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/2624-187-0x0000000000400000-0x0000000002575000-memory.dmp

        Filesize

        33.5MB

      • memory/2624-38-0x0000000000400000-0x0000000002575000-memory.dmp

        Filesize

        33.5MB

      • memory/2624-172-0x0000000000400000-0x0000000002575000-memory.dmp

        Filesize

        33.5MB

      • memory/2624-170-0x0000000000400000-0x0000000002575000-memory.dmp

        Filesize

        33.5MB

      • memory/2624-17-0x0000000000400000-0x0000000002575000-memory.dmp

        Filesize

        33.5MB

      • memory/2624-16-0x0000000000400000-0x0000000002575000-memory.dmp

        Filesize

        33.5MB

      • memory/3368-118-0x000001C1F6B10000-0x000001C1F6B24000-memory.dmp

        Filesize

        80KB

      • memory/3368-121-0x000001C1F6F90000-0x000001C1F6FBA000-memory.dmp

        Filesize

        168KB

      • memory/3368-122-0x000001C1F6FC0000-0x000001C1F7072000-memory.dmp

        Filesize

        712KB

      • memory/3368-123-0x000001C1F70C0000-0x000001C1F7110000-memory.dmp

        Filesize

        320KB

      • memory/3368-124-0x000001C1F7110000-0x000001C1F7132000-memory.dmp

        Filesize

        136KB

      • memory/3368-125-0x000001C1F6BC0000-0x000001C1F6BCA000-memory.dmp

        Filesize

        40KB

      • memory/3368-129-0x000001C1F7140000-0x000001C1F7440000-memory.dmp

        Filesize

        3.0MB

      • memory/3368-137-0x000001C1FBB40000-0x000001C1FBB48000-memory.dmp

        Filesize

        32KB

      • memory/3368-120-0x000001C1F6BB0000-0x000001C1F6BBA000-memory.dmp

        Filesize

        40KB

      • memory/3368-119-0x000001C1F6B80000-0x000001C1F6BA4000-memory.dmp

        Filesize

        144KB

      • memory/3368-149-0x000001C1FB450000-0x000001C1FB45E000-memory.dmp

        Filesize

        56KB

      • memory/3368-146-0x000001C1FB480000-0x000001C1FB4B8000-memory.dmp

        Filesize

        224KB

      • memory/3368-154-0x000001C1FB470000-0x000001C1FB478000-memory.dmp

        Filesize

        32KB

      • memory/3368-160-0x000001C1FC370000-0x000001C1FC392000-memory.dmp

        Filesize

        136KB

      • memory/3368-159-0x000001C1FC610000-0x000001C1FC672000-memory.dmp

        Filesize

        392KB

      • memory/3368-158-0x000001C1FC5F0000-0x000001C1FC5FA000-memory.dmp

        Filesize

        40KB

      • memory/3368-161-0x000001C1FCBA0000-0x000001C1FD0C8000-memory.dmp

        Filesize

        5.2MB

      • memory/3368-164-0x000001C1FC390000-0x000001C1FC39C000-memory.dmp

        Filesize

        48KB

      • memory/3368-165-0x000001C1FC470000-0x000001C1FC4E6000-memory.dmp

        Filesize

        472KB

      • memory/3368-171-0x000001C1FC3D0000-0x000001C1FC3EE000-memory.dmp

        Filesize

        120KB

      • memory/3368-116-0x000001C1F52F0000-0x000001C1F5300000-memory.dmp

        Filesize

        64KB

      • memory/3368-117-0x000001C1F6B20000-0x000001C1F6B2C000-memory.dmp

        Filesize

        48KB

      • memory/3368-115-0x000001C1F6D40000-0x000001C1F6E4A000-memory.dmp

        Filesize

        1.0MB

      • memory/3368-114-0x000001C1EF5A0000-0x000001C1F2DD4000-memory.dmp

        Filesize

        56.2MB