Analysis

  • max time kernel
    127s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-04-2024 23:01

General

  • Target

    03ebc2380575e9bf4cd9186db3340af182c688d332a019510c6e55bd00a1391c.exe

  • Size

    505KB

  • MD5

    82b95de9ffa6bc9264734e9121e41b66

  • SHA1

    8502bd292e301e5500cd87537ba79decc854f868

  • SHA256

    03ebc2380575e9bf4cd9186db3340af182c688d332a019510c6e55bd00a1391c

  • SHA512

    5c1e3730660339e2d7182b26ee8d671918c8bd8bf3410bea02fc2cb6e9296d6664224291b4561a02431f82e2453dc2bee4f19083153422af57314e0c333f0ec1

  • SSDEEP

    6144:jre8uT58rY642SGXvDAgRGe9xEbdHAXnzAMubnYlxhNWG/wRiTIeVf+Utz3:jqx58rYSdke+mnz5sCNT/vXVfnh3

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\03ebc2380575e9bf4cd9186db3340af182c688d332a019510c6e55bd00a1391c.exe
    "C:\Users\Admin\AppData\Local\Temp\03ebc2380575e9bf4cd9186db3340af182c688d332a019510c6e55bd00a1391c.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3488
    • C:\Users\Admin\AppData\Local\Temp\u2ow.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u2ow.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:4440
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\BAAFCAFCBK.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3952
        • C:\Users\Admin\AppData\Local\Temp\BAAFCAFCBK.exe
          "C:\Users\Admin\AppData\Local\Temp\BAAFCAFCBK.exe"
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:1528
          • 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\BAAFCAFCBK.exe
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:1568
            • C:\Windows\SysWOW64\PING.EXE
              ping 2.2.2.2 -n 1 -w 3000
              6⤵
              • Runs ping.exe
              PID:4692
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4440 -s 2288
        3⤵
        • Program crash
        PID:3936
    • C:\Users\Admin\AppData\Local\Temp\u2ow.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u2ow.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:2532
      • 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:3956
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3488 -s 1532
      2⤵
      • Program crash
      PID:2608
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 3488 -ip 3488
    1⤵
      PID:3724
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 4440 -ip 4440
      1⤵
        PID:1696

      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\BAAFCAFCBK.exe

        Filesize

        106KB

        MD5

        fe380780b5c35bd6d54541791151c2be

        SHA1

        7fe3a583cf91474c733f85cebf3c857682e269e1

        SHA256

        b64a84d1f88e4e78464a1901c1cb5bbd5f00bb73203d719e64e072157a087b53

        SHA512

        ba05ba8aa13c4bc1cf98fbf6c08b021e8b19354098e0397fc8e1e5d3dcce367c1063203f24e50d0973193f6535681d0a43486e5dade5d112853b7a2fe8739b6c

      • C:\Users\Admin\AppData\Local\Temp\iolo\dm\ioloDMLog.txt

        Filesize

        2KB

        MD5

        7febe501762dffec2ad413770a915ad6

        SHA1

        f7353f33858100553d5f649fcaaec9db2802cedf

        SHA256

        89740dee2ab6fda18f0e6bd9dc201908f33b43b8d258a5cb54b7a7556fc68a3a

        SHA512

        5aa0c8812532faa83d9d77c6d04e7afed2673550ea26935f709761a17f08ed31b8d9f2a301ad085c42f447130b986f4880e7b053542138ebcdecc605ad0d307b

      • C:\Users\Admin\AppData\Local\Temp\u2ow.0.exe

        Filesize

        309KB

        MD5

        f2b7659371eecb4d8b7c08506eb9c9fd

        SHA1

        1bf4395884a5abe31ea417c2c09c6fcf006e4c14

        SHA256

        6fc36b8c227db7dd12779478f486f6e73bc4c66333a66bc8ece2053a3d0574db

        SHA512

        54d0ca489284019dd212815cb541c0bd644f918e1a02184971f73c323c441977c7651a1090efe9c4f2566ab6c665fbd267d56f73af6028e9c694dac793cc6eda

      • C:\Users\Admin\AppData\Local\Temp\u2ow.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/1528-156-0x00000000717E0000-0x0000000071F90000-memory.dmp

        Filesize

        7.7MB

      • memory/1528-155-0x00000000001F0000-0x0000000000210000-memory.dmp

        Filesize

        128KB

      • memory/1528-162-0x00000000717E0000-0x0000000071F90000-memory.dmp

        Filesize

        7.7MB

      • memory/1528-158-0x0000000004BA0000-0x0000000004BB0000-memory.dmp

        Filesize

        64KB

      • memory/2532-26-0x0000000002540000-0x0000000002541000-memory.dmp

        Filesize

        4KB

      • memory/2532-149-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/2532-133-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/3488-32-0x0000000002200000-0x000000000226C000-memory.dmp

        Filesize

        432KB

      • memory/3488-31-0x0000000000400000-0x000000000048D000-memory.dmp

        Filesize

        564KB

      • memory/3488-1-0x00000000005A0000-0x00000000006A0000-memory.dmp

        Filesize

        1024KB

      • memory/3488-3-0x0000000000400000-0x000000000048D000-memory.dmp

        Filesize

        564KB

      • memory/3488-2-0x0000000002200000-0x000000000226C000-memory.dmp

        Filesize

        432KB

      • memory/3956-165-0x000001D260920000-0x000001D26092C000-memory.dmp

        Filesize

        48KB

      • memory/3956-188-0x000001D2012E0000-0x000001D201808000-memory.dmp

        Filesize

        5.2MB

      • memory/3956-200-0x000001D25EE80000-0x000001D25EE90000-memory.dmp

        Filesize

        64KB

      • memory/3956-199-0x000001D25EE80000-0x000001D25EE90000-memory.dmp

        Filesize

        64KB

      • memory/3956-198-0x000001D25EE80000-0x000001D25EE90000-memory.dmp

        Filesize

        64KB

      • memory/3956-197-0x000001D25EE80000-0x000001D25EE90000-memory.dmp

        Filesize

        64KB

      • memory/3956-157-0x000001D25B1E0000-0x000001D25EAD8000-memory.dmp

        Filesize

        57.0MB

      • memory/3956-196-0x00007FFA32230000-0x00007FFA32CF1000-memory.dmp

        Filesize

        10.8MB

      • memory/3956-160-0x000001D25EE80000-0x000001D25EE90000-memory.dmp

        Filesize

        64KB

      • memory/3956-194-0x000001D27E980000-0x000001D27E99E000-memory.dmp

        Filesize

        120KB

      • memory/3956-163-0x000001D27A220000-0x000001D27A330000-memory.dmp

        Filesize

        1.1MB

      • memory/3956-193-0x000001D27EA00000-0x000001D27EA22000-memory.dmp

        Filesize

        136KB

      • memory/3956-164-0x000001D260900000-0x000001D260910000-memory.dmp

        Filesize

        64KB

      • memory/3956-166-0x000001D260910000-0x000001D260924000-memory.dmp

        Filesize

        80KB

      • memory/3956-167-0x000001D279F10000-0x000001D279F34000-memory.dmp

        Filesize

        144KB

      • memory/3956-169-0x000001D27A470000-0x000001D27A49A000-memory.dmp

        Filesize

        168KB

      • memory/3956-168-0x000001D279F30000-0x000001D279F3A000-memory.dmp

        Filesize

        40KB

      • memory/3956-170-0x000001D27A060000-0x000001D27A112000-memory.dmp

        Filesize

        712KB

      • memory/3956-172-0x000001D27A520000-0x000001D27A582000-memory.dmp

        Filesize

        392KB

      • memory/3956-171-0x000001D27A4A0000-0x000001D27A51A000-memory.dmp

        Filesize

        488KB

      • memory/3956-173-0x000001D27A600000-0x000001D27A676000-memory.dmp

        Filesize

        472KB

      • memory/3956-174-0x000001D279F40000-0x000001D279F4A000-memory.dmp

        Filesize

        40KB

      • memory/3956-178-0x000001D27A680000-0x000001D27A980000-memory.dmp

        Filesize

        3.0MB

      • memory/3956-180-0x000001D25EE80000-0x000001D25EE90000-memory.dmp

        Filesize

        64KB

      • memory/3956-183-0x000001D27E2C0000-0x000001D27E2C8000-memory.dmp

        Filesize

        32KB

      • memory/3956-185-0x000001D27E2D0000-0x000001D27E2DE000-memory.dmp

        Filesize

        56KB

      • memory/3956-184-0x000001D27E9C0000-0x000001D27E9F8000-memory.dmp

        Filesize

        224KB

      • memory/3956-182-0x000001D25EE80000-0x000001D25EE90000-memory.dmp

        Filesize

        64KB

      • memory/3956-181-0x000001D25EE80000-0x000001D25EE90000-memory.dmp

        Filesize

        64KB

      • memory/3956-186-0x000001D200D80000-0x000001D200D8A000-memory.dmp

        Filesize

        40KB

      • memory/3956-187-0x000001D200D90000-0x000001D200DB2000-memory.dmp

        Filesize

        136KB

      • memory/3956-150-0x00007FFA32230000-0x00007FFA32CF1000-memory.dmp

        Filesize

        10.8MB

      • memory/3956-191-0x000001D27EE80000-0x000001D27EED0000-memory.dmp

        Filesize

        320KB

      • memory/3956-192-0x000001D200B00000-0x000001D200B0C000-memory.dmp

        Filesize

        48KB

      • memory/4440-13-0x0000000000990000-0x0000000000A90000-memory.dmp

        Filesize

        1024KB

      • memory/4440-14-0x0000000000790000-0x00000000007B7000-memory.dmp

        Filesize

        156KB

      • memory/4440-15-0x0000000000400000-0x000000000063B000-memory.dmp

        Filesize

        2.2MB

      • memory/4440-37-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/4440-131-0x0000000000400000-0x000000000063B000-memory.dmp

        Filesize

        2.2MB

      • memory/4440-154-0x0000000000400000-0x000000000063B000-memory.dmp

        Filesize

        2.2MB

      • memory/4440-148-0x0000000000990000-0x0000000000A90000-memory.dmp

        Filesize

        1024KB