Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-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
  • 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 28 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⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4136
    • C:\Users\Admin\AppData\Local\Temp\u36w.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u36w.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:2788
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2788 -s 2320
        3⤵
        • Program crash
        PID:5052
    • C:\Users\Admin\AppData\Local\Temp\u36w.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u36w.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:2724
      • 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:748
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4136 -s 1524
      2⤵
      • Program crash
      PID:1648
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4136 -ip 4136
    1⤵
      PID:1520
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2788 -ip 2788
      1⤵
        PID:1296

      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

        a2cd0fedca6da56d6f7901816093052f

        SHA1

        4033e7930dba45f7715adc7297901cebd76c5780

        SHA256

        39beaf20244860e35f6a04cd392867b7f2099bc8e4f8cd4dd4333f61a2c46593

        SHA512

        f9fec0854fe436404a512d8177660c4abb262af1d755aa564e4ac007f5967babae58bf3787c55240cdfbcbe865a7ebaf47e257c9e2697d414314d98d987b6c83

      • C:\Users\Admin\AppData\Local\Temp\u36w.0.exe

        Filesize

        266KB

        MD5

        90a0c06e1263e06041273847eb153af6

        SHA1

        bce52648d68c64eaf2e4213f8d43d5b6f32c78d5

        SHA256

        99b0b508a7c79af7fa71aa025fa4c9c5cb7ca6b13e5f7a1d213f2ee2853f8789

        SHA512

        8d1ee4bd74fe35f6fd18d2cbdc7115aba197d5e883dc3123dfcc7582baf790b8221608fcff746795eaa481c13010247bfcae64d2ded14f08cca90e3b6a87349c

      • C:\Users\Admin\AppData\Local\Temp\u36w.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/748-147-0x00000240F3C80000-0x00000240F3CB8000-memory.dmp

        Filesize

        224KB

      • memory/748-116-0x00000240EF8A0000-0x00000240EF8C2000-memory.dmp

        Filesize

        136KB

      • memory/748-167-0x00000240EFF90000-0x00000240EFFAE000-memory.dmp

        Filesize

        120KB

      • memory/748-157-0x00000240F4BF0000-0x00000240F4C66000-memory.dmp

        Filesize

        472KB

      • memory/748-156-0x00000240EFC50000-0x00000240EFC5C000-memory.dmp

        Filesize

        48KB

      • memory/748-153-0x00000240F50A0000-0x00000240F55C8000-memory.dmp

        Filesize

        5.2MB

      • memory/748-152-0x00000240EFCC0000-0x00000240EFCE2000-memory.dmp

        Filesize

        136KB

      • memory/748-96-0x00000240E94B0000-0x00000240ECCE4000-memory.dmp

        Filesize

        56.2MB

      • memory/748-103-0x00000240EF650000-0x00000240EF75A000-memory.dmp

        Filesize

        1.0MB

      • memory/748-105-0x00000240ED340000-0x00000240ED34C000-memory.dmp

        Filesize

        48KB

      • memory/748-104-0x00000240ED180000-0x00000240ED190000-memory.dmp

        Filesize

        64KB

      • memory/748-106-0x00000240ED330000-0x00000240ED344000-memory.dmp

        Filesize

        80KB

      • memory/748-110-0x00000240EE9C0000-0x00000240EE9E4000-memory.dmp

        Filesize

        144KB

      • memory/748-112-0x00000240EEA10000-0x00000240EEA3A000-memory.dmp

        Filesize

        168KB

      • memory/748-111-0x00000240EE9F0000-0x00000240EE9FA000-memory.dmp

        Filesize

        40KB

      • memory/748-113-0x00000240EF490000-0x00000240EF542000-memory.dmp

        Filesize

        712KB

      • memory/748-115-0x00000240EF8F0000-0x00000240EF940000-memory.dmp

        Filesize

        320KB

      • memory/748-151-0x00000240EFC60000-0x00000240EFCC2000-memory.dmp

        Filesize

        392KB

      • memory/748-150-0x00000240EFC40000-0x00000240EFC4A000-memory.dmp

        Filesize

        40KB

      • memory/748-117-0x00000240EEA00000-0x00000240EEA0A000-memory.dmp

        Filesize

        40KB

      • memory/748-121-0x00000240EF940000-0x00000240EFC40000-memory.dmp

        Filesize

        3.0MB

      • memory/748-149-0x00000240F3C70000-0x00000240F3C78000-memory.dmp

        Filesize

        32KB

      • memory/748-148-0x00000240F3C50000-0x00000240F3C5E000-memory.dmp

        Filesize

        56KB

      • memory/748-146-0x00000240F4340000-0x00000240F4348000-memory.dmp

        Filesize

        32KB

      • memory/2724-78-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/2724-50-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/2788-114-0x0000000000400000-0x0000000002AFF000-memory.dmp

        Filesize

        39.0MB

      • memory/2788-62-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/2788-59-0x0000000000400000-0x0000000002AFF000-memory.dmp

        Filesize

        39.0MB

      • memory/2788-169-0x0000000000400000-0x0000000002AFF000-memory.dmp

        Filesize

        39.0MB

      • memory/4136-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/4136-1-0x0000000002CF0000-0x0000000002DF0000-memory.dmp

        Filesize

        1024KB

      • memory/4136-13-0x0000000000400000-0x0000000002B23000-memory.dmp

        Filesize

        39.1MB

      • memory/4136-28-0x0000000000400000-0x0000000002B23000-memory.dmp

        Filesize

        39.1MB

      • memory/4136-29-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/4136-2-0x0000000002DF0000-0x0000000002E5C000-memory.dmp

        Filesize

        432KB