Analysis

  • max time kernel
    128s
  • max time network
    130s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240426-en
  • resource tags

    arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    10-05-2024 05:36

General

  • Target

    0915ce6438da0a74056f053eac3f46c5a55e892277c006f8dca4e5912b48ca15.exe

  • Size

    371KB

  • MD5

    142da7308a498f3f89fc0586ed2cbce9

  • SHA1

    e694a4810d519757054d93dd2be1099d163e2b7b

  • SHA256

    0915ce6438da0a74056f053eac3f46c5a55e892277c006f8dca4e5912b48ca15

  • SHA512

    667a759ae906740db2d31f9e9203dd70d10ee61bc45d3b9560a2da76669276a2a76098fedd68e55618b3602f90a1a5a4abed156882223210d5a56017ab709333

  • SSDEEP

    6144:aURdZSI5nrUscjLhfKpWrx+5nvyIuT/GODYYTJm8:aU7ZSI5ELkpixsnluT/GOnk8

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 23 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\0915ce6438da0a74056f053eac3f46c5a55e892277c006f8dca4e5912b48ca15.exe
    "C:\Users\Admin\AppData\Local\Temp\0915ce6438da0a74056f053eac3f46c5a55e892277c006f8dca4e5912b48ca15.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3092
    • C:\Users\Admin\AppData\Local\Temp\u2dw.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u2dw.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:4128
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4128 -s 2436
        3⤵
        • Program crash
        PID:2756
    • C:\Users\Admin\AppData\Local\Temp\u2dw.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u2dw.1.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:1076
      • 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:704
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3092 -s 976
      2⤵
      • Program crash
      PID:5100
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3092 -ip 3092
    1⤵
      PID:576
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 4128 -ip 4128
      1⤵
        PID:2852

      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

        aa6b8551c23f171d936bb6a4d71ed1c4

        SHA1

        37f1b5e139ebd31bc388f01fafff59fa25bb3908

        SHA256

        96011c6069a25726ed1652836cd780478744339d6fab3d443c0434342ff749d3

        SHA512

        205c7b1f5ca243e20329079346115ee2fcd8e33b463610624f53e468399212a1650765c9de9413fc6b1df5b22a36e9eef301bfd4ae70dc757a17eecf445f1e08

      • C:\Users\Admin\AppData\Local\Temp\u2dw.0.exe

        Filesize

        230KB

        MD5

        ccd572a3007d968e7fc7530b369bdcf6

        SHA1

        72e0464b18e45f75f194cc5ae6f7d59e2f2d8ca6

        SHA256

        84f2c0f4db7d4f3faf88fe9fb75829b4d480f936929591df7e5b22846dcb5777

        SHA512

        b977c3cabfce519c49dad3274c6927f03bec5b502d1bde6fbfc3ebe22880434c6bcb5a19f7d0987328ff71502642680b07cb89435f5a7aafb70261fd3c2b7ebc

      • C:\Users\Admin\AppData\Local\Temp\u2dw.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/704-159-0x00000192FF5D0000-0x00000192FF5D8000-memory.dmp

        Filesize

        32KB

      • memory/704-160-0x00000192FF620000-0x00000192FF658000-memory.dmp

        Filesize

        224KB

      • memory/704-171-0x00000192FF660000-0x00000192FF67E000-memory.dmp

        Filesize

        120KB

      • memory/704-170-0x00000192FFB40000-0x00000192FFBB6000-memory.dmp

        Filesize

        472KB

      • memory/704-169-0x0000019282320000-0x000001928232C000-memory.dmp

        Filesize

        48KB

      • memory/704-166-0x0000019282B30000-0x0000019283058000-memory.dmp

        Filesize

        5.2MB

      • memory/704-165-0x0000019282300000-0x0000019282322000-memory.dmp

        Filesize

        136KB

      • memory/704-164-0x00000192825A0000-0x0000019282602000-memory.dmp

        Filesize

        392KB

      • memory/704-163-0x0000019282580000-0x000001928258A000-memory.dmp

        Filesize

        40KB

      • memory/704-162-0x00000192FF5F0000-0x00000192FF5F8000-memory.dmp

        Filesize

        32KB

      • memory/704-161-0x00000192FF5E0000-0x00000192FF5EE000-memory.dmp

        Filesize

        56KB

      • memory/704-157-0x00000192FD2D0000-0x00000192FD5D0000-memory.dmp

        Filesize

        3.0MB

      • memory/704-153-0x00000192E4390000-0x00000192E439A000-memory.dmp

        Filesize

        40KB

      • memory/704-152-0x00000192FD2A0000-0x00000192FD2C2000-memory.dmp

        Filesize

        136KB

      • memory/704-142-0x00000192DEEB0000-0x00000192E26E4000-memory.dmp

        Filesize

        56.2MB

      • memory/704-143-0x00000192FCFA0000-0x00000192FD0AA000-memory.dmp

        Filesize

        1.0MB

      • memory/704-144-0x00000192FCC90000-0x00000192FCCA0000-memory.dmp

        Filesize

        64KB

      • memory/704-145-0x00000192FCCB0000-0x00000192FCCBC000-memory.dmp

        Filesize

        48KB

      • memory/704-146-0x00000192FCCA0000-0x00000192FCCB4000-memory.dmp

        Filesize

        80KB

      • memory/704-147-0x00000192FCD10000-0x00000192FCD34000-memory.dmp

        Filesize

        144KB

      • memory/704-148-0x00000192FCD40000-0x00000192FCD4A000-memory.dmp

        Filesize

        40KB

      • memory/704-149-0x00000192FCE90000-0x00000192FCEBA000-memory.dmp

        Filesize

        168KB

      • memory/704-150-0x00000192FCED0000-0x00000192FCF82000-memory.dmp

        Filesize

        712KB

      • memory/704-151-0x00000192FD250000-0x00000192FD2A0000-memory.dmp

        Filesize

        320KB

      • memory/1076-141-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/1076-138-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/3092-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/3092-1-0x00000000027A0000-0x00000000028A0000-memory.dmp

        Filesize

        1024KB

      • memory/3092-15-0x0000000000400000-0x0000000002599000-memory.dmp

        Filesize

        33.6MB

      • memory/3092-2-0x00000000042C0000-0x000000000432C000-memory.dmp

        Filesize

        432KB

      • memory/3092-63-0x0000000000400000-0x0000000002599000-memory.dmp

        Filesize

        33.6MB

      • memory/3092-64-0x00000000042C0000-0x000000000432C000-memory.dmp

        Filesize

        432KB

      • memory/3092-65-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/4128-128-0x0000000000400000-0x0000000002575000-memory.dmp

        Filesize

        33.5MB

      • memory/4128-79-0x0000000000400000-0x0000000002575000-memory.dmp

        Filesize

        33.5MB

      • memory/4128-13-0x0000000000400000-0x0000000002575000-memory.dmp

        Filesize

        33.5MB

      • memory/4128-14-0x0000000000400000-0x0000000002575000-memory.dmp

        Filesize

        33.5MB

      • memory/4128-29-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB