Analysis

  • max time kernel
    131s
  • max time network
    132s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240419-en
  • resource tags

    arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    07-05-2024 05:10

General

  • Target

    aa454ce02cdf1ae74340c5cf10210a1ae98aea9f66f943fe9e934814ed62e5da.exe

  • Size

    416KB

  • MD5

    b8cb97eb77d2b5ed5fa06618d4905f45

  • SHA1

    669965a097220ccd45faa258b7b8c229c25ec315

  • SHA256

    aa454ce02cdf1ae74340c5cf10210a1ae98aea9f66f943fe9e934814ed62e5da

  • SHA512

    6af7d3fddf3bbc03692b6b3f1367bfc516d5b64c257fd776278109a870457889c3b53415c0c3cd6c124737263eb0cf8b7af224c47dfa366f8bccd2de1602c96b

  • SSDEEP

    6144:Wo9w+UAlO8GJjy6USAEk3//piLPXpuNoS4ObrpJhYQPH7kpCuMXl:WoiiL4AE+h6ZLS4ovhLuCzl

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
  • 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 25 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\aa454ce02cdf1ae74340c5cf10210a1ae98aea9f66f943fe9e934814ed62e5da.exe
    "C:\Users\Admin\AppData\Local\Temp\aa454ce02cdf1ae74340c5cf10210a1ae98aea9f66f943fe9e934814ed62e5da.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4288
    • C:\Users\Admin\AppData\Local\Temp\u3b4.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u3b4.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:4148
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4148 -s 2340
        3⤵
        • Program crash
        PID:4024
    • C:\Users\Admin\AppData\Local\Temp\u3b4.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u3b4.1.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:1704
      • 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:124
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4288 -s 1608
      2⤵
      • Program crash
      PID:1560
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4288 -ip 4288
    1⤵
      PID:3672
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 4148 -ip 4148
      1⤵
        PID:2660

      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

        33c158679b4119f084881d0682660778

        SHA1

        4787dd2ce4947e6f10042a394c28531fc62a8d76

        SHA256

        7617ce6512424baf3838df30f75e35615b5aaf521ae8cadc826fd4bef737d4e6

        SHA512

        1ea6e0c57642f222424fe4be3cb2a8f55be2f088719f899b1afd40d56ab289a4cb92f6b8d2614818ee003544046b4e7e09c16a4c2f86238ad5a1b62ad7c9049f

      • C:\Users\Admin\AppData\Local\Temp\u3b4.0.exe

        Filesize

        274KB

        MD5

        0b86580bc3b14e574c2beb830abf55b8

        SHA1

        e0a86d8aa0323bb81a0eec6e7124f9f8a2abf8f6

        SHA256

        1addfd78afcbb2d0b1a0f6f7a6edd96e84d3710b0d858324827d36a26c86d868

        SHA512

        d5d375d6919159046bd7571aa08ff4819bb10ceaeef3024d6e22f092c0b5e6bd2c881249e129e0d145649bae0a85d421b0a2378b7e2f15463bc9ddbd806ad0bc

      • C:\Users\Admin\AppData\Local\Temp\u3b4.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/124-86-0x0000026A1EB70000-0x0000026A1EB92000-memory.dmp

        Filesize

        136KB

      • memory/124-78-0x0000026A1A760000-0x0000026A1AA60000-memory.dmp

        Filesize

        3.0MB

      • memory/124-135-0x0000026A7D860000-0x0000026A7D87E000-memory.dmp

        Filesize

        120KB

      • memory/124-124-0x0000026A7D970000-0x0000026A7D9E6000-memory.dmp

        Filesize

        472KB

      • memory/124-102-0x0000026A1EB90000-0x0000026A1EB9C000-memory.dmp

        Filesize

        48KB

      • memory/124-63-0x0000026A79BA0000-0x0000026A7D3D4000-memory.dmp

        Filesize

        56.2MB

      • memory/124-64-0x0000026A1A3C0000-0x0000026A1A4CA000-memory.dmp

        Filesize

        1.0MB

      • memory/124-65-0x0000026A018E0000-0x0000026A018F0000-memory.dmp

        Filesize

        64KB

      • memory/124-66-0x0000026A1A230000-0x0000026A1A23C000-memory.dmp

        Filesize

        48KB

      • memory/124-67-0x0000026A019F0000-0x0000026A01A04000-memory.dmp

        Filesize

        80KB

      • memory/124-68-0x0000026A1A4D0000-0x0000026A1A4F4000-memory.dmp

        Filesize

        144KB

      • memory/124-69-0x0000026A1A640000-0x0000026A1A64A000-memory.dmp

        Filesize

        40KB

      • memory/124-70-0x0000026A1A670000-0x0000026A1A722000-memory.dmp

        Filesize

        712KB

      • memory/124-71-0x0000026A1A730000-0x0000026A1A75A000-memory.dmp

        Filesize

        168KB

      • memory/124-72-0x0000026A7D7F0000-0x0000026A7D840000-memory.dmp

        Filesize

        320KB

      • memory/124-73-0x0000026A7D7B0000-0x0000026A7D7D2000-memory.dmp

        Filesize

        136KB

      • memory/124-74-0x0000026A1A210000-0x0000026A1A21A000-memory.dmp

        Filesize

        40KB

      • memory/124-87-0x0000026A1F9F0000-0x0000026A1FF18000-memory.dmp

        Filesize

        5.2MB

      • memory/124-80-0x0000026A7D780000-0x0000026A7D788000-memory.dmp

        Filesize

        32KB

      • memory/124-81-0x0000026A7D8B0000-0x0000026A7D8E8000-memory.dmp

        Filesize

        224KB

      • memory/124-82-0x0000026A7D790000-0x0000026A7D79E000-memory.dmp

        Filesize

        56KB

      • memory/124-83-0x0000026A7D7A0000-0x0000026A7D7A8000-memory.dmp

        Filesize

        32KB

      • memory/124-84-0x0000026A1EB60000-0x0000026A1EB6A000-memory.dmp

        Filesize

        40KB

      • memory/124-85-0x0000026A1F460000-0x0000026A1F4C2000-memory.dmp

        Filesize

        392KB

      • memory/1704-50-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/1704-62-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/4148-90-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/4148-59-0x0000000000400000-0x0000000002B02000-memory.dmp

        Filesize

        39.0MB

      • memory/4148-131-0x0000000000400000-0x0000000002B02000-memory.dmp

        Filesize

        39.0MB

      • memory/4148-169-0x0000000000400000-0x0000000002B02000-memory.dmp

        Filesize

        39.0MB

      • memory/4288-1-0x0000000002D10000-0x0000000002E10000-memory.dmp

        Filesize

        1024KB

      • memory/4288-33-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/4288-27-0x0000000000400000-0x0000000002B25000-memory.dmp

        Filesize

        39.1MB

      • memory/4288-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/4288-2-0x0000000004890000-0x00000000048FC000-memory.dmp

        Filesize

        432KB