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Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/05/2024, 11:30

General

  • Target

    08acad39a18e3a380043252aaa097232c57f3e1b0e587d4fb88351b28698f942.exe

  • Size

    386KB

  • MD5

    0513304ac8178fa00bce7b395fa824d0

  • SHA1

    a10f045ae42a32cc223fb81d121a074f1cfb6085

  • SHA256

    08acad39a18e3a380043252aaa097232c57f3e1b0e587d4fb88351b28698f942

  • SHA512

    039619a83b493790bc47010daa09f657a597009a77d7639b22a37346ce9fb6fce83e906f4a68cc6575a33d9ccebe8cd1662d856de3c32cfe7c235316c4f39e9a

  • SSDEEP

    6144:TcykrZfMtgEBXGx0Xy5gul0n4Qgf3ONjMMejZxxXx+0jTw3I:TcyktfW/tXZbgf3ONj7elxJw3I

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 27 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\08acad39a18e3a380043252aaa097232c57f3e1b0e587d4fb88351b28698f942.exe
    "C:\Users\Admin\AppData\Local\Temp\08acad39a18e3a380043252aaa097232c57f3e1b0e587d4fb88351b28698f942.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2948
    • C:\Users\Admin\AppData\Local\Temp\u29w.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u29w.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:920
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 920 -s 2344
        3⤵
        • Program crash
        PID:2628
    • C:\Users\Admin\AppData\Local\Temp\u29w.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u29w.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:2684
      • 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:4620
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2948 -s 1152
      2⤵
      • Program crash
      PID:4944
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2948 -ip 2948
    1⤵
      PID:5012
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 920 -ip 920
      1⤵
        PID:4052

      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

        50dda12fb67ce6f511d8885d8116959e

        SHA1

        730b9e33ddeef9caaebf4fd0d9e94bd9410751a4

        SHA256

        0e769d789cb5f0fc632685702bf121c0051d1de5fdc4ab50a6f3b964334c3111

        SHA512

        f83084399f201ad5c2cd60b4593ec766624dbc4b88463275999bbe98785e158d813508b73b18440e82c87077442d44cc541857ce63270cac0b0f834204504942

      • C:\Users\Admin\AppData\Local\Temp\u29w.0.exe

        Filesize

        245KB

        MD5

        c367bb32189579c56bf39dca67f62869

        SHA1

        8f82da4069c9ad6859a457b550369db21c284423

        SHA256

        6bfc504449a39316188b90599aa225fef46e6be74d2283725f48bcb2860ec1ca

        SHA512

        a69e2e46475f73fe8bde1ab58a1e48afac1bc7a5cb43093ebcde397cb4086e1f529fd38d534e8da5c0d268e66fe5836a25746f41cbd3293e54cd5dd8cc246dc5

      • C:\Users\Admin\AppData\Local\Temp\u29w.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/920-33-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/920-90-0x0000000000400000-0x000000000257A000-memory.dmp

        Filesize

        33.5MB

      • memory/920-133-0x0000000000400000-0x000000000257A000-memory.dmp

        Filesize

        33.5MB

      • memory/2684-91-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/2684-131-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/2948-31-0x0000000000400000-0x000000000259D000-memory.dmp

        Filesize

        33.6MB

      • memory/2948-32-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/2948-1-0x0000000002900000-0x0000000002A00000-memory.dmp

        Filesize

        1024KB

      • memory/2948-2-0x0000000002870000-0x00000000028DC000-memory.dmp

        Filesize

        432KB

      • memory/2948-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/4620-137-0x00000257CA5C0000-0x00000257CA5D4000-memory.dmp

        Filesize

        80KB

      • memory/4620-144-0x00000257B1C50000-0x00000257B1C5A000-memory.dmp

        Filesize

        40KB

      • memory/4620-135-0x00000257CA5B0000-0x00000257CA5C0000-memory.dmp

        Filesize

        64KB

      • memory/4620-136-0x00000257CB580000-0x00000257CB58C000-memory.dmp

        Filesize

        48KB

      • memory/4620-132-0x00000257AC860000-0x00000257B0094000-memory.dmp

        Filesize

        56.2MB

      • memory/4620-138-0x00000257CB5E0000-0x00000257CB604000-memory.dmp

        Filesize

        144KB

      • memory/4620-139-0x00000257B1C40000-0x00000257B1C4A000-memory.dmp

        Filesize

        40KB

      • memory/4620-140-0x00000257CBA20000-0x00000257CBAD2000-memory.dmp

        Filesize

        712KB

      • memory/4620-141-0x00000257CB630000-0x00000257CB65A000-memory.dmp

        Filesize

        168KB

      • memory/4620-142-0x00000257CBAD0000-0x00000257CBB20000-memory.dmp

        Filesize

        320KB

      • memory/4620-143-0x00000257CB690000-0x00000257CB6B2000-memory.dmp

        Filesize

        136KB

      • memory/4620-134-0x00000257CB7D0000-0x00000257CB8DA000-memory.dmp

        Filesize

        1.0MB

      • memory/4620-148-0x00000257CBB20000-0x00000257CBE20000-memory.dmp

        Filesize

        3.0MB

      • memory/4620-150-0x00000257D0550000-0x00000257D0558000-memory.dmp

        Filesize

        32KB

      • memory/4620-151-0x00000257CFE90000-0x00000257CFEC8000-memory.dmp

        Filesize

        224KB

      • memory/4620-152-0x00000257CFE60000-0x00000257CFE6E000-memory.dmp

        Filesize

        56KB

      • memory/4620-153-0x00000257CFE80000-0x00000257CFE88000-memory.dmp

        Filesize

        32KB

      • memory/4620-154-0x00000257D1000000-0x00000257D100A000-memory.dmp

        Filesize

        40KB

      • memory/4620-155-0x00000257D1020000-0x00000257D1082000-memory.dmp

        Filesize

        392KB

      • memory/4620-156-0x00000257D0D80000-0x00000257D0DA2000-memory.dmp

        Filesize

        136KB

      • memory/4620-157-0x00000257D15B0000-0x00000257D1AD8000-memory.dmp

        Filesize

        5.2MB

      • memory/4620-160-0x00000257D0DA0000-0x00000257D0DAC000-memory.dmp

        Filesize

        48KB

      • memory/4620-161-0x00000257D0E80000-0x00000257D0EF6000-memory.dmp

        Filesize

        472KB

      • memory/4620-162-0x00000257D0DE0000-0x00000257D0DFE000-memory.dmp

        Filesize

        120KB