Analysis

  • max time kernel
    142s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-05-2024 19:49

General

  • Target

    fd3f7db725c6d215bf5e5599363f6c1aad5cf5204a4bee691e00db4fe95bf083.exe

  • Size

    415KB

  • MD5

    2c418334727e8fc2b5cfbd75f5d279ec

  • SHA1

    554e3b34a4d09d61da5bb35fb50638cb74c4dc32

  • SHA256

    fd3f7db725c6d215bf5e5599363f6c1aad5cf5204a4bee691e00db4fe95bf083

  • SHA512

    c21dd93e0b032d5daa1615f19e429adfc056b2a90b3358c36b0f614a1dd8dfa7e09d722c49bffa71227d3f4ce5b9802212bc41db219e90176087ef573d285af6

  • SSDEEP

    6144:P50SXOdGHuDgJrhcqwNlpOE7oXLp3FkOfU49bCs7LrkA1:qSXOdvDIXY7O9X13FknszkA1

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\fd3f7db725c6d215bf5e5599363f6c1aad5cf5204a4bee691e00db4fe95bf083.exe
    "C:\Users\Admin\AppData\Local\Temp\fd3f7db725c6d215bf5e5599363f6c1aad5cf5204a4bee691e00db4fe95bf083.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3056
    • C:\Users\Admin\AppData\Local\Temp\u2cw.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u2cw.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:1920
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1920 -s 2364
        3⤵
        • Program crash
        PID:4788
    • C:\Users\Admin\AppData\Local\Temp\u2cw.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u2cw.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:716
      • 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:2740
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3056 -s 968
      2⤵
      • Program crash
      PID:3052
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3056 -ip 3056
    1⤵
      PID:1308
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 1920 -ip 1920
      1⤵
        PID:2028

      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

        e9eb5b03da5ef29c790ba7ed75918880

        SHA1

        2cc7a1e7351946291a85f98df254253eee07d6c8

        SHA256

        6c0ac0b6c87c5392130f3f0b2b0503e4e2caa022d71d2855330cdb991f7c095d

        SHA512

        bc482067191eb48e35cbcb490bbbc4f1090c0ec76c4e1fef8d388bb7c6d9bebe77d7dd818f8c12065aa826060fdd20e77ebb242e6e6679fd92d810c8aa766b9d

      • C:\Users\Admin\AppData\Local\Temp\u2cw.0.exe

        Filesize

        281KB

        MD5

        1d04ff520d8adc764737cf309ebdb6af

        SHA1

        2925972bd8d43c24cdedff8542e0734765ea9fe8

        SHA256

        b9a9e7af93e1bfe5405f6eece72fd71f81c5d946c7d964a0eb66a22342e0dd70

        SHA512

        98d5243bbd749a65acbf4f9b7caa86a71d3dc11f34bd42b49bb56e3694dec606ada877aad51fc6597d5b59cd66e2926b0d2afad428049ab3e66d38d4445533ba

      • C:\Users\Admin\AppData\Local\Temp\u2cw.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/716-156-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/716-145-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/1920-88-0x0000000000400000-0x0000000001A10000-memory.dmp

        Filesize

        22.1MB

      • memory/1920-117-0x0000000000400000-0x0000000001A10000-memory.dmp

        Filesize

        22.1MB

      • memory/1920-16-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/1920-13-0x0000000000400000-0x0000000001A10000-memory.dmp

        Filesize

        22.1MB

      • memory/1920-128-0x0000000000400000-0x0000000001A10000-memory.dmp

        Filesize

        22.1MB

      • memory/1920-14-0x0000000000400000-0x0000000001A10000-memory.dmp

        Filesize

        22.1MB

      • memory/1920-15-0x0000000000400000-0x0000000001A10000-memory.dmp

        Filesize

        22.1MB

      • memory/2740-161-0x000001ABCC230000-0x000001ABCC244000-memory.dmp

        Filesize

        80KB

      • memory/2740-164-0x000001ABCC660000-0x000001ABCC68A000-memory.dmp

        Filesize

        168KB

      • memory/2740-186-0x000001ABD1C10000-0x000001ABD1C2E000-memory.dmp

        Filesize

        120KB

      • memory/2740-185-0x000001ABD1BE0000-0x000001ABD1C02000-memory.dmp

        Filesize

        136KB

      • memory/2740-183-0x000001ABD1B90000-0x000001ABD1BE0000-memory.dmp

        Filesize

        320KB

      • memory/2740-184-0x000001ABD1B40000-0x000001ABD1B4C000-memory.dmp

        Filesize

        48KB

      • memory/2740-180-0x000001ABD22E0000-0x000001ABD2808000-memory.dmp

        Filesize

        5.2MB

      • memory/2740-178-0x000001ABD1DA0000-0x000001ABD1DAA000-memory.dmp

        Filesize

        40KB

      • memory/2740-157-0x000001ABAD470000-0x000001ABB0D68000-memory.dmp

        Filesize

        57.0MB

      • memory/2740-158-0x000001ABCC410000-0x000001ABCC520000-memory.dmp

        Filesize

        1.1MB

      • memory/2740-159-0x000001ABCB2B0000-0x000001ABCB2C0000-memory.dmp

        Filesize

        64KB

      • memory/2740-160-0x000001ABCC240000-0x000001ABCC24C000-memory.dmp

        Filesize

        48KB

      • memory/2740-179-0x000001ABD1B20000-0x000001ABD1B42000-memory.dmp

        Filesize

        136KB

      • memory/2740-162-0x000001ABCC2A0000-0x000001ABCC2C4000-memory.dmp

        Filesize

        144KB

      • memory/2740-163-0x000001ABCC2D0000-0x000001ABCC2DA000-memory.dmp

        Filesize

        40KB

      • memory/2740-177-0x000001ABD0C10000-0x000001ABD0C1E000-memory.dmp

        Filesize

        56KB

      • memory/2740-165-0x000001ABCC690000-0x000001ABCC742000-memory.dmp

        Filesize

        712KB

      • memory/2740-166-0x000001ABCC740000-0x000001ABCC7BA000-memory.dmp

        Filesize

        488KB

      • memory/2740-167-0x000001ABCC7C0000-0x000001ABCC822000-memory.dmp

        Filesize

        392KB

      • memory/2740-168-0x000001ABCC8A0000-0x000001ABCC916000-memory.dmp

        Filesize

        472KB

      • memory/2740-169-0x000001ABCC2E0000-0x000001ABCC2EA000-memory.dmp

        Filesize

        40KB

      • memory/2740-173-0x000001ABCC920000-0x000001ABCCC20000-memory.dmp

        Filesize

        3.0MB

      • memory/2740-175-0x000001ABD1300000-0x000001ABD1308000-memory.dmp

        Filesize

        32KB

      • memory/2740-176-0x000001ABD0C40000-0x000001ABD0C78000-memory.dmp

        Filesize

        224KB

      • memory/3056-111-0x0000000000400000-0x0000000001A32000-memory.dmp

        Filesize

        22.2MB

      • memory/3056-64-0x0000000000400000-0x0000000001A32000-memory.dmp

        Filesize

        22.2MB

      • memory/3056-1-0x0000000001C20000-0x0000000001D20000-memory.dmp

        Filesize

        1024KB

      • memory/3056-2-0x0000000001BB0000-0x0000000001C1C000-memory.dmp

        Filesize

        432KB

      • memory/3056-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/3056-89-0x0000000001C20000-0x0000000001D20000-memory.dmp

        Filesize

        1024KB

      • memory/3056-95-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/3056-112-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB