Analysis

  • max time kernel
    144s
  • max time network
    130s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240426-en
  • resource tags

    arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    07-05-2024 13:15

General

  • Target

    fa700ccc90f9436bd7a79f1a2d59918ba1c9060929788743be032e7db106f8c6.exe

  • Size

    407KB

  • MD5

    949d905382fd03c15825348fa052a36a

  • SHA1

    74a845bfc0bff6f55612862a931e581ac88daaa3

  • SHA256

    fa700ccc90f9436bd7a79f1a2d59918ba1c9060929788743be032e7db106f8c6

  • SHA512

    3d7bcdeb80e33cae0c8a48c9b165ae94d6f71222cc41de6ac68c9facacffdb0bdc07301cb35e74fbdacdfb5431bfd43b29968bce14409130633cda722af96bd0

  • SSDEEP

    6144:TRJCasp2zJZshZ3ZBtPeWNk/GW5qqSODl+40hwxs:uaVYPnYAqwp2xs

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 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\fa700ccc90f9436bd7a79f1a2d59918ba1c9060929788743be032e7db106f8c6.exe
    "C:\Users\Admin\AppData\Local\Temp\fa700ccc90f9436bd7a79f1a2d59918ba1c9060929788743be032e7db106f8c6.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2076
    • C:\Users\Admin\AppData\Local\Temp\u1lo.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u1lo.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:1376
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1376 -s 2428
        3⤵
        • Program crash
        PID:4228
    • C:\Users\Admin\AppData\Local\Temp\u1lo.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u1lo.1.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:332
      • 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:1352
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2076 -s 1192
      2⤵
      • Program crash
      PID:564
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2076 -ip 2076
    1⤵
      PID:3232
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 1376 -ip 1376
      1⤵
        PID:3004

      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

        87c669cf1e38081f3dd6c109ca98a334

        SHA1

        66bff5fb43d89f762b2aea30805ac63bda3623fc

        SHA256

        83a066510ca2a552fb37ced5df1b4d30a00734997e76e8f303a351d4ec2f0dde

        SHA512

        cde8ae1dcab130b2dc53c048e1827badc5b72f963b39e0502b53b21fb3661e6aa43d561a91e99d22bdf476b7a0e3c07637f7bd8683cbd544d38f112016196402

      • C:\Users\Admin\AppData\Local\Temp\iolo\dm\ioloDMLog.txt

        Filesize

        3KB

        MD5

        1d0ffe5154628b163c5c6de0473dd4fe

        SHA1

        32fc2cc29e0c8864a18cc20d5cd5dab7db4285b7

        SHA256

        fbab099ef6b8fb98fefb8f0bb3ece3233bc0e7320c68ac3e1117ad616b64a67c

        SHA512

        c0bcbde3683e746014ab2261f407d330f0d1a12e8215d310e520a062d2a854eacb69e377f1e907b3ded710b80bd1af182555c5c058a707a40ed2e3e08dff84a2

      • C:\Users\Admin\AppData\Local\Temp\u1lo.0.exe

        Filesize

        266KB

        MD5

        90a0c06e1263e06041273847eb153af6

        SHA1

        bce52648d68c64eaf2e4213f8d43d5b6f32c78d5

        SHA256

        99b0b508a7c79af7fa71aa025fa4c9c5cb7ca6b13e5f7a1d213f2ee2853f8789

        SHA512

        8d1ee4bd74fe35f6fd18d2cbdc7115aba197d5e883dc3123dfcc7582baf790b8221608fcff746795eaa481c13010247bfcae64d2ded14f08cca90e3b6a87349c

      • C:\Users\Admin\AppData\Local\Temp\u1lo.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/332-101-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/332-91-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/1352-120-0x000002C8F03A0000-0x000002C8F03D8000-memory.dmp

        Filesize

        224KB

      • memory/1352-117-0x000002C8EC010000-0x000002C8EC310000-memory.dmp

        Filesize

        3.0MB

      • memory/1352-166-0x000002C8EB8A0000-0x000002C8EBA53000-memory.dmp

        Filesize

        1.7MB

      • memory/1352-131-0x000002C8F0AE0000-0x000002C8F0AFE000-memory.dmp

        Filesize

        120KB

      • memory/1352-130-0x000002C8F0B80000-0x000002C8F0BF6000-memory.dmp

        Filesize

        472KB

      • memory/1352-102-0x000002C8E5A30000-0x000002C8E9264000-memory.dmp

        Filesize

        56.2MB

      • memory/1352-103-0x000002C8EBBB0000-0x000002C8EBCBA000-memory.dmp

        Filesize

        1.0MB

      • memory/1352-105-0x000002C8EB080000-0x000002C8EB08C000-memory.dmp

        Filesize

        48KB

      • memory/1352-104-0x000002C8E9710000-0x000002C8E9720000-memory.dmp

        Filesize

        64KB

      • memory/1352-106-0x000002C8EB070000-0x000002C8EB084000-memory.dmp

        Filesize

        80KB

      • memory/1352-107-0x000002C8EB870000-0x000002C8EB894000-memory.dmp

        Filesize

        144KB

      • memory/1352-108-0x000002C8EBE20000-0x000002C8EBE2A000-memory.dmp

        Filesize

        40KB

      • memory/1352-109-0x000002C8EBE40000-0x000002C8EBE6A000-memory.dmp

        Filesize

        168KB

      • memory/1352-110-0x000002C8EBE90000-0x000002C8EBF42000-memory.dmp

        Filesize

        712KB

      • memory/1352-111-0x000002C8EBF90000-0x000002C8EBFE0000-memory.dmp

        Filesize

        320KB

      • memory/1352-112-0x000002C8EBFE0000-0x000002C8EC002000-memory.dmp

        Filesize

        136KB

      • memory/1352-113-0x000002C8EB050000-0x000002C8EB05A000-memory.dmp

        Filesize

        40KB

      • memory/1352-129-0x000002C8F0AA0000-0x000002C8F0AAC000-memory.dmp

        Filesize

        48KB

      • memory/1352-119-0x000002C8F0090000-0x000002C8F0098000-memory.dmp

        Filesize

        32KB

      • memory/1352-122-0x000002C8F0380000-0x000002C8F0388000-memory.dmp

        Filesize

        32KB

      • memory/1352-121-0x000002C8F0360000-0x000002C8F036E000-memory.dmp

        Filesize

        56KB

      • memory/1352-126-0x000002C8F12A0000-0x000002C8F17C8000-memory.dmp

        Filesize

        5.2MB

      • memory/1352-123-0x000002C8F0420000-0x000002C8F042A000-memory.dmp

        Filesize

        40KB

      • memory/1352-125-0x000002C8F0A80000-0x000002C8F0AA2000-memory.dmp

        Filesize

        136KB

      • memory/1352-124-0x000002C8F0D10000-0x000002C8F0D72000-memory.dmp

        Filesize

        392KB

      • memory/1376-88-0x0000000000400000-0x0000000002AFF000-memory.dmp

        Filesize

        39.0MB

      • memory/1376-33-0x0000000000400000-0x0000000002AFF000-memory.dmp

        Filesize

        39.0MB

      • memory/1376-165-0x0000000000400000-0x0000000002AFF000-memory.dmp

        Filesize

        39.0MB

      • memory/1376-34-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/2076-1-0x0000000002E90000-0x0000000002F90000-memory.dmp

        Filesize

        1024KB

      • memory/2076-27-0x0000000000400000-0x0000000002B23000-memory.dmp

        Filesize

        39.1MB

      • memory/2076-28-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/2076-2-0x0000000004870000-0x00000000048DC000-memory.dmp

        Filesize

        432KB

      • memory/2076-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB