Analysis

  • max time kernel
    124s
  • max time network
    127s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240426-en
  • resource tags

    arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    10-05-2024 19:48

General

  • Target

    d2d72e06cb0e2a6a1b8249a721e594ceafc1d6e28b232a9278578d027e2085b8.exe

  • Size

    373KB

  • MD5

    90f93669bbe5906f970a1e91ccbca99c

  • SHA1

    bb3592d25b0d808418d89f8fe26c61aec1a3b377

  • SHA256

    d2d72e06cb0e2a6a1b8249a721e594ceafc1d6e28b232a9278578d027e2085b8

  • SHA512

    48530937cb2d08d7b2b070bb89f339b8f6c96e3c1227b01ff1235a85f1d2cbcaea072fdfe67ec42e30137ec3bb3ea43e3a4cff7e0625c180fb52d30696581cde

  • SSDEEP

    6144:AgXLk9lsA7WNFchU6wxpMoyZVn4lt2DSTZATjxhNUP2uxZ698Obd3Tuto4:AgXLk91ar1rKRn4lAQ+1hNUOr9HxuS4

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 21 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\d2d72e06cb0e2a6a1b8249a721e594ceafc1d6e28b232a9278578d027e2085b8.exe
    "C:\Users\Admin\AppData\Local\Temp\d2d72e06cb0e2a6a1b8249a721e594ceafc1d6e28b232a9278578d027e2085b8.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4760
    • C:\Users\Admin\AppData\Local\Temp\u3o8.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u3o8.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:3536
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3536 -s 2096
        3⤵
        • Program crash
        PID:4060
    • C:\Users\Admin\AppData\Local\Temp\u3o8.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u3o8.1.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:8
      • 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:3464
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4760 -s 1156
      2⤵
      • Program crash
      PID:944
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4760 -ip 4760
    1⤵
      PID:3784
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3536 -ip 3536
      1⤵
        PID:3888

      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\u3o8.0.exe

        Filesize

        231KB

        MD5

        6d6e316e6aff81b70218dbb96f2b34e0

        SHA1

        e320424a38cfd7b83473a59c948c4e937c881ee0

        SHA256

        13acc2397bc1d50a9d679443eb7def41878ce745433da8b4f52f5e59635183e0

        SHA512

        f800059686ac9f2ce1eaa04034787f07dd06a718da5a16d0205b5264cc96cf2a9b965c9566b5849194f14b255da8c0cf737a60266e92f142f2a64a884979c519

      • C:\Users\Admin\AppData\Local\Temp\u3o8.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/8-136-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/8-135-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/3464-139-0x0000020329D80000-0x0000020329D90000-memory.dmp

        Filesize

        64KB

      • memory/3464-145-0x00000203443D0000-0x0000020344482000-memory.dmp

        Filesize

        712KB

      • memory/3464-166-0x0000020348FA0000-0x0000020348FBE000-memory.dmp

        Filesize

        120KB

      • memory/3464-165-0x0000020349040000-0x00000203490B6000-memory.dmp

        Filesize

        472KB

      • memory/3464-164-0x0000020348F60000-0x0000020348F6C000-memory.dmp

        Filesize

        48KB

      • memory/3464-161-0x0000020349770000-0x0000020349C98000-memory.dmp

        Filesize

        5.2MB

      • memory/3464-160-0x0000020348F40000-0x0000020348F62000-memory.dmp

        Filesize

        136KB

      • memory/3464-158-0x00000203491C0000-0x00000203491CA000-memory.dmp

        Filesize

        40KB

      • memory/3464-137-0x00000203260B0000-0x00000203298E4000-memory.dmp

        Filesize

        56.2MB

      • memory/3464-138-0x0000020344130000-0x000002034423A000-memory.dmp

        Filesize

        1.0MB

      • memory/3464-140-0x0000020329DE0000-0x0000020329DEC000-memory.dmp

        Filesize

        48KB

      • memory/3464-159-0x00000203491E0000-0x0000020349242000-memory.dmp

        Filesize

        392KB

      • memory/3464-141-0x0000020329DD0000-0x0000020329DE4000-memory.dmp

        Filesize

        80KB

      • memory/3464-142-0x0000020343F50000-0x0000020343F74000-memory.dmp

        Filesize

        144KB

      • memory/3464-144-0x0000020343FA0000-0x0000020343FCA000-memory.dmp

        Filesize

        168KB

      • memory/3464-157-0x0000020348840000-0x0000020348848000-memory.dmp

        Filesize

        32KB

      • memory/3464-143-0x0000020343F80000-0x0000020343F8A000-memory.dmp

        Filesize

        40KB

      • memory/3464-146-0x0000020344480000-0x00000203444D0000-memory.dmp

        Filesize

        320KB

      • memory/3464-147-0x0000020344000000-0x0000020344022000-memory.dmp

        Filesize

        136KB

      • memory/3464-148-0x0000020329D50000-0x0000020329D5A000-memory.dmp

        Filesize

        40KB

      • memory/3464-152-0x00000203444D0000-0x00000203447D0000-memory.dmp

        Filesize

        3.0MB

      • memory/3464-154-0x0000020348F10000-0x0000020348F18000-memory.dmp

        Filesize

        32KB

      • memory/3464-156-0x0000020348820000-0x000002034882E000-memory.dmp

        Filesize

        56KB

      • memory/3464-155-0x0000020348850000-0x0000020348888000-memory.dmp

        Filesize

        224KB

      • memory/3536-34-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/3536-123-0x0000000000400000-0x0000000002576000-memory.dmp

        Filesize

        33.5MB

      • memory/4760-1-0x00000000027D0000-0x00000000028D0000-memory.dmp

        Filesize

        1024KB

      • memory/4760-2-0x00000000042B0000-0x000000000431C000-memory.dmp

        Filesize

        432KB

      • memory/4760-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/4760-28-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/4760-27-0x00000000042B0000-0x000000000431C000-memory.dmp

        Filesize

        432KB

      • memory/4760-26-0x0000000000400000-0x0000000002599000-memory.dmp

        Filesize

        33.6MB