Analysis

  • max time kernel
    137s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-04-2024 15:03

General

  • Target

    255321eb39794d7a32f3e1b2a1387061a2d138b503a2cf6827cf5766d025f7f9.exe

  • Size

    477KB

  • MD5

    ddcefbf71a1a9fb9801dceb4d6722c39

  • SHA1

    0f8b5785a5a445848271d5f03971b96670f74931

  • SHA256

    255321eb39794d7a32f3e1b2a1387061a2d138b503a2cf6827cf5766d025f7f9

  • SHA512

    2b43db79e7c350f780ed6ba2e216038cf988d9f7ace1c4a781625b770c61300390902054e0ae9d2ffa999c3b2eafd381d75c8a0185f2cfc9efc60be8dfc72c16

  • SSDEEP

    6144:sCkgUx3zMyWYGVN27RObuLiNg8pDzKXN9tboh2pFoBmZMkTLc1P2FCLTv:Sg43zcZVNW0xwd9tbohWFoB1d/nv

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.209

Attributes
  • url_path

    /3cd2b41cbde8fc9c.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 4 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 3 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.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 30 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 7 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\255321eb39794d7a32f3e1b2a1387061a2d138b503a2cf6827cf5766d025f7f9.exe
    "C:\Users\Admin\AppData\Local\Temp\255321eb39794d7a32f3e1b2a1387061a2d138b503a2cf6827cf5766d025f7f9.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2580
    • C:\Users\Admin\AppData\Local\Temp\u1zo.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u1zo.0.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3408
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\EHIDAKECFI.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4408
        • C:\Users\Admin\AppData\Local\Temp\EHIDAKECFI.exe
          "C:\Users\Admin\AppData\Local\Temp\EHIDAKECFI.exe"
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:684
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /C ping 2.2.2.2 -n 1 -w 3000 > Nul & Del C:\Users\Admin\AppData\Local\Temp\EHIDAKECFI.exe
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:4112
            • C:\Windows\SysWOW64\PING.EXE
              ping 2.2.2.2 -n 1 -w 3000
              6⤵
              • Runs ping.exe
              PID:1976
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3408 -s 2460
        3⤵
        • Program crash
        PID:3808
    • C:\Users\Admin\AppData\Local\Temp\u1zo.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u1zo.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:2468
      • 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:3316
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2580 -s 1140
      2⤵
      • Program crash
      PID:4968
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2580 -ip 2580
    1⤵
      PID:4436
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3408 -ip 3408
      1⤵
        PID:3244

      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\EHIDAKECFI.exe

        Filesize

        106KB

        MD5

        fe380780b5c35bd6d54541791151c2be

        SHA1

        7fe3a583cf91474c733f85cebf3c857682e269e1

        SHA256

        b64a84d1f88e4e78464a1901c1cb5bbd5f00bb73203d719e64e072157a087b53

        SHA512

        ba05ba8aa13c4bc1cf98fbf6c08b021e8b19354098e0397fc8e1e5d3dcce367c1063203f24e50d0973193f6535681d0a43486e5dade5d112853b7a2fe8739b6c

      • C:\Users\Admin\AppData\Local\Temp\u1zo.0.exe

        Filesize

        336KB

        MD5

        4cbe410c5dab44f371b626de07063631

        SHA1

        2650e8871c359c97edd4ea6c5ed39f77441c4607

        SHA256

        f8040b6281cd24e17d8e63f3432f9f7bcdac465e3efd0877f2080ea648551f19

        SHA512

        bf5cedfb7927b4a41d7b88edd2f4b6957fdec85e18448ee3159cdaf977e9d03397c29f0ca4001ca85aecf8c18e6be113a4d8c855bd9796f3a0303ca148b36749

      • C:\Users\Admin\AppData\Local\Temp\u1zo.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/684-164-0x00000000721B0000-0x0000000072960000-memory.dmp

        Filesize

        7.7MB

      • memory/684-166-0x0000000004850000-0x0000000004860000-memory.dmp

        Filesize

        64KB

      • memory/684-176-0x00000000721B0000-0x0000000072960000-memory.dmp

        Filesize

        7.7MB

      • memory/684-161-0x0000000000060000-0x0000000000080000-memory.dmp

        Filesize

        128KB

      • memory/2468-145-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/2468-68-0x00000000027F0000-0x00000000027F1000-memory.dmp

        Filesize

        4KB

      • memory/2468-104-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/2580-79-0x0000000000400000-0x0000000000488000-memory.dmp

        Filesize

        544KB

      • memory/2580-80-0x0000000002200000-0x000000000226C000-memory.dmp

        Filesize

        432KB

      • memory/2580-1-0x0000000000760000-0x0000000000860000-memory.dmp

        Filesize

        1024KB

      • memory/2580-2-0x0000000002200000-0x000000000226C000-memory.dmp

        Filesize

        432KB

      • memory/2580-3-0x0000000000400000-0x0000000000488000-memory.dmp

        Filesize

        544KB

      • memory/3316-182-0x00000202E7030000-0x00000202E7040000-memory.dmp

        Filesize

        64KB

      • memory/3316-173-0x00000202E8600000-0x00000202E8676000-memory.dmp

        Filesize

        472KB

      • memory/3316-148-0x00000202C9180000-0x00000202CCA78000-memory.dmp

        Filesize

        57.0MB

      • memory/3316-152-0x00000202E7030000-0x00000202E7040000-memory.dmp

        Filesize

        64KB

      • memory/3316-153-0x00000202E8250000-0x00000202E8360000-memory.dmp

        Filesize

        1.1MB

      • memory/3316-202-0x00000202E7030000-0x00000202E7040000-memory.dmp

        Filesize

        64KB

      • memory/3316-156-0x00000202CCEA0000-0x00000202CCEB0000-memory.dmp

        Filesize

        64KB

      • memory/3316-158-0x00000202CCEF0000-0x00000202CCEFC000-memory.dmp

        Filesize

        48KB

      • memory/3316-159-0x00000202CCEE0000-0x00000202CCEF4000-memory.dmp

        Filesize

        80KB

      • memory/3316-201-0x00000202E7030000-0x00000202E7040000-memory.dmp

        Filesize

        64KB

      • memory/3316-199-0x00000202E7030000-0x00000202E7040000-memory.dmp

        Filesize

        64KB

      • memory/3316-162-0x00000202E6FD0000-0x00000202E6FF4000-memory.dmp

        Filesize

        144KB

      • memory/3316-198-0x00007FFB08240000-0x00007FFB08D01000-memory.dmp

        Filesize

        10.8MB

      • memory/3316-196-0x00000202EDBB0000-0x00000202EDBCE000-memory.dmp

        Filesize

        120KB

      • memory/3316-195-0x00000202EDB80000-0x00000202EDBA2000-memory.dmp

        Filesize

        136KB

      • memory/3316-200-0x00000202E7030000-0x00000202E7040000-memory.dmp

        Filesize

        64KB

      • memory/3316-194-0x00000202ED870000-0x00000202ED87C000-memory.dmp

        Filesize

        48KB

      • memory/3316-169-0x00000202E8060000-0x00000202E8112000-memory.dmp

        Filesize

        712KB

      • memory/3316-172-0x00000202E8520000-0x00000202E8582000-memory.dmp

        Filesize

        392KB

      • memory/3316-171-0x00000202E84A0000-0x00000202E851A000-memory.dmp

        Filesize

        488KB

      • memory/3316-170-0x00000202E7000000-0x00000202E702A000-memory.dmp

        Filesize

        168KB

      • memory/3316-147-0x00007FFB08240000-0x00007FFB08D01000-memory.dmp

        Filesize

        10.8MB

      • memory/3316-175-0x00000202CCED0000-0x00000202CCEDA000-memory.dmp

        Filesize

        40KB

      • memory/3316-193-0x00000202ED8B0000-0x00000202ED900000-memory.dmp

        Filesize

        320KB

      • memory/3316-180-0x00000202E8680000-0x00000202E8980000-memory.dmp

        Filesize

        3.0MB

      • memory/3316-168-0x00000202CCEC0000-0x00000202CCECA000-memory.dmp

        Filesize

        40KB

      • memory/3316-183-0x00000202E85F0000-0x00000202E85F8000-memory.dmp

        Filesize

        32KB

      • memory/3316-184-0x00000202E7030000-0x00000202E7040000-memory.dmp

        Filesize

        64KB

      • memory/3316-185-0x00000202E7030000-0x00000202E7040000-memory.dmp

        Filesize

        64KB

      • memory/3316-186-0x00000202EC960000-0x00000202EC998000-memory.dmp

        Filesize

        224KB

      • memory/3316-187-0x00000202EC930000-0x00000202EC93E000-memory.dmp

        Filesize

        56KB

      • memory/3316-188-0x00000202EC9E0000-0x00000202EC9EA000-memory.dmp

        Filesize

        40KB

      • memory/3316-189-0x00000202ED840000-0x00000202ED862000-memory.dmp

        Filesize

        136KB

      • memory/3316-190-0x00000202EDDA0000-0x00000202EE2C8000-memory.dmp

        Filesize

        5.2MB

      • memory/3408-103-0x0000000000400000-0x000000000063B000-memory.dmp

        Filesize

        2.2MB

      • memory/3408-16-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/3408-163-0x0000000000400000-0x000000000063B000-memory.dmp

        Filesize

        2.2MB

      • memory/3408-108-0x0000000000400000-0x000000000063B000-memory.dmp

        Filesize

        2.2MB

      • memory/3408-14-0x00000000007B0000-0x00000000007D7000-memory.dmp

        Filesize

        156KB

      • memory/3408-165-0x0000000000400000-0x000000000063B000-memory.dmp

        Filesize

        2.2MB

      • memory/3408-15-0x0000000000400000-0x000000000063B000-memory.dmp

        Filesize

        2.2MB

      • memory/3408-160-0x0000000000880000-0x0000000000980000-memory.dmp

        Filesize

        1024KB

      • memory/3408-13-0x0000000000880000-0x0000000000980000-memory.dmp

        Filesize

        1024KB