Analysis

  • max time kernel
    135s
  • max time network
    140s
  • 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 00:10

General

  • Target

    29edd135817d2404003e64772a8e7488ebb599e8ed0be5767b55ef9c25e41b55.exe

  • Size

    384KB

  • MD5

    7c8ebc6642015a83fc9e1540b7ced82f

  • SHA1

    06abfd381281962c6153f670dea2ebec4842c0a9

  • SHA256

    29edd135817d2404003e64772a8e7488ebb599e8ed0be5767b55ef9c25e41b55

  • SHA512

    73e872264ea7ace92375472566bb8e5b51d981cc6c4333be583b1fe4ca762c63e5103927e7fbbedf4584adbbd7e504ad3788de946a9e4d2f07a04d8ad2655dba

  • SSDEEP

    6144:WPhyrd5h3eOxlkRkIAXAQXNaHOnu1yPlWguHSQDuWWxP:WPh0tJ9XAQdQqGSKuDP

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\29edd135817d2404003e64772a8e7488ebb599e8ed0be5767b55ef9c25e41b55.exe
    "C:\Users\Admin\AppData\Local\Temp\29edd135817d2404003e64772a8e7488ebb599e8ed0be5767b55ef9c25e41b55.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4596
    • C:\Users\Admin\AppData\Local\Temp\u3jo.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u3jo.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 2420
        3⤵
        • Program crash
        PID:4776
    • C:\Users\Admin\AppData\Local\Temp\u3jo.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u3jo.1.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:1220
      • 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:4636
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4596 -s 1148
      2⤵
      • Program crash
      PID:4944
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4596 -ip 4596
    1⤵
      PID:3696
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 1376 -ip 1376
      1⤵
        PID:5020

      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

        62f9a70573b20e6a75ee65e5d07b6ca1

        SHA1

        5d472b2eacd241b4bd9042f9f5f1d930fed185cf

        SHA256

        c72fc58122147721a52ca4d5b10884507a4248ce1dfac605c139bbffb6635b71

        SHA512

        78669cad3e17c5a73e578d85f45a685763a99737c3699ef3d347ebf7813b09118066e7799493db20b1bec8ca1679648991125713e8bd98aec7ea335f82bc642e

      • C:\Users\Admin\AppData\Local\Temp\u3jo.0.exe

        Filesize

        242KB

        MD5

        016e62b625dae4c6e7697663fcda8e70

        SHA1

        0854d0798147947e1f45e94f00d4e211f3655bc3

        SHA256

        c71268dceea5908ceaff670721c53af922158aca6dd6c9958762b3658bc3acf0

        SHA512

        66de6a47f8165c149538f2acec23606da9dba3e3c03f5598863d6bd623f760df9704ccc7e4afd0a8ef2d2d2613e46a5819a9d8dff980c9431ca49cdef110f37a

      • C:\Users\Admin\AppData\Local\Temp\u3jo.1.exe

        Filesize

        448KB

        MD5

        714ed1fe342bcd239ba4553e3f6c4f07

        SHA1

        259a760f115258d0989f86a1c72254846ba993d8

        SHA256

        178620f812db0c3b5d192daa2fc32c9313c073151522ca358f9266cef2c2597d

        SHA512

        1c80026f7d731c2a964cfa3fe7078c4602ecb0a3d08f431c655f66f990ccb90887886c76cf9b70bd18bd58fcc992fff6b54bec3a492d8e811855cc0d56fb198f

      • C:\Users\Admin\AppData\Local\Temp\u3jo.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/1220-109-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/1220-55-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/1376-53-0x0000000000400000-0x0000000002AF9000-memory.dmp

        Filesize

        39.0MB

      • memory/1376-54-0x0000000000400000-0x0000000002AF9000-memory.dmp

        Filesize

        39.0MB

      • memory/1376-56-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/1376-175-0x0000000000400000-0x0000000002AF9000-memory.dmp

        Filesize

        39.0MB

      • memory/1376-116-0x0000000000400000-0x0000000002AF9000-memory.dmp

        Filesize

        39.0MB

      • memory/4596-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/4596-30-0x0000000000400000-0x0000000002B1E000-memory.dmp

        Filesize

        39.1MB

      • memory/4596-32-0x0000000004880000-0x00000000048EC000-memory.dmp

        Filesize

        432KB

      • memory/4596-33-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/4596-1-0x0000000002D20000-0x0000000002E20000-memory.dmp

        Filesize

        1024KB

      • memory/4596-2-0x0000000004880000-0x00000000048EC000-memory.dmp

        Filesize

        432KB

      • memory/4636-117-0x000002312C0E0000-0x000002312C0EA000-memory.dmp

        Filesize

        40KB

      • memory/4636-135-0x0000023130680000-0x00000231306B8000-memory.dmp

        Filesize

        224KB

      • memory/4636-115-0x00000231133E0000-0x0000023113404000-memory.dmp

        Filesize

        144KB

      • memory/4636-122-0x000002312C210000-0x000002312C260000-memory.dmp

        Filesize

        320KB

      • memory/4636-124-0x000002312C260000-0x000002312C282000-memory.dmp

        Filesize

        136KB

      • memory/4636-123-0x000002312C1B0000-0x000002312C1DA000-memory.dmp

        Filesize

        168KB

      • memory/4636-114-0x0000023113390000-0x00000231133A4000-memory.dmp

        Filesize

        80KB

      • memory/4636-125-0x0000023113360000-0x000002311336A000-memory.dmp

        Filesize

        40KB

      • memory/4636-129-0x000002312C290000-0x000002312C590000-memory.dmp

        Filesize

        3.0MB

      • memory/4636-134-0x0000023130700000-0x0000023130708000-memory.dmp

        Filesize

        32KB

      • memory/4636-136-0x0000023130650000-0x000002313065E000-memory.dmp

        Filesize

        56KB

      • memory/4636-121-0x000002312C100000-0x000002312C1B2000-memory.dmp

        Filesize

        712KB

      • memory/4636-137-0x0000023130670000-0x0000023130678000-memory.dmp

        Filesize

        32KB

      • memory/4636-138-0x0000023130FB0000-0x0000023130FBA000-memory.dmp

        Filesize

        40KB

      • memory/4636-142-0x0000023130FD0000-0x0000023131032000-memory.dmp

        Filesize

        392KB

      • memory/4636-113-0x00000231133A0000-0x00000231133AC000-memory.dmp

        Filesize

        48KB

      • memory/4636-145-0x0000023130D30000-0x0000023130D52000-memory.dmp

        Filesize

        136KB

      • memory/4636-112-0x0000023113300000-0x0000023113310000-memory.dmp

        Filesize

        64KB

      • memory/4636-155-0x0000023131560000-0x0000023131A88000-memory.dmp

        Filesize

        5.2MB

      • memory/4636-158-0x0000023130D50000-0x0000023130D5C000-memory.dmp

        Filesize

        48KB

      • memory/4636-162-0x0000023130E30000-0x0000023130EA6000-memory.dmp

        Filesize

        472KB

      • memory/4636-111-0x000002312BE40000-0x000002312BF4A000-memory.dmp

        Filesize

        1.0MB

      • memory/4636-172-0x000002312C6B0000-0x000002312C6CE000-memory.dmp

        Filesize

        120KB

      • memory/4636-110-0x000002310DEB0000-0x00000231116E4000-memory.dmp

        Filesize

        56.2MB