Analysis

  • max time kernel
    141s
  • max time network
    135s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240508-en
  • resource tags

    arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    10-05-2024 00:42

General

  • Target

    ebd0b0b8036b17fa840e69cce9acdc5cc93cd42872c8f6026b6957daa8f98aee.exe

  • Size

    384KB

  • MD5

    51308e15f35cb56cfff9cceac055db31

  • SHA1

    416f74185e606383fca384eb44d6c3d513287f2c

  • SHA256

    ebd0b0b8036b17fa840e69cce9acdc5cc93cd42872c8f6026b6957daa8f98aee

  • SHA512

    a40c121e81cd0222e98c6aa433cb1decbfed2d3c578c11c16bf1271d584461839153e894f9c7b982cc1027b09b2f547a05cd90a0688c8e89fd53d3ece6fb10e4

  • SSDEEP

    6144:ujfcaXBXkd86TbOMLd1KsPTNqG5Tcq9kdilO1SnO3IExK:87XN6T9RpRAq3O1SnQ3K

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 1 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\ebd0b0b8036b17fa840e69cce9acdc5cc93cd42872c8f6026b6957daa8f98aee.exe
    "C:\Users\Admin\AppData\Local\Temp\ebd0b0b8036b17fa840e69cce9acdc5cc93cd42872c8f6026b6957daa8f98aee.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4640
    • C:\Users\Admin\AppData\Local\Temp\u3kw.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u3kw.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:2032
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2032 -s 2392
        3⤵
        • Program crash
        PID:4788
    • C:\Users\Admin\AppData\Local\Temp\u3kw.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u3kw.1.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:3756
      • 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:4072
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2032 -ip 2032
    1⤵
      PID:5096

    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

      2KB

      MD5

      d5b942c8fade3cfe6e15579dca639451

      SHA1

      4d5371c3bf93ed044b13b7261c59941a7b903482

      SHA256

      9206c49e9e4ad14161c0a7e6bbc00fd76fc98be379950beb92979126314c677a

      SHA512

      b21ccf08183fc47aee9db13d5a17819ab09337851b39f4d705c2887494d81cc964d0d5b8eba1d1fa562f8c67baf9cc190ddca7427653b77ec1dec8b1e35cc2df

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

      Filesize

      3KB

      MD5

      440b551933e1cf5e3acb6120ac51434c

      SHA1

      972e64297feefc88012a57adce8942751f2a1d84

      SHA256

      5370786794b79b445f33d79a6b6a223ea383956265ce302cca56e0acb7db4010

      SHA512

      dea4d20c53d49f56f1809c56138026c127c159ad2d892354051a4b48fbb7301f1f9a53a6deddb79db7057e2c2db8dab6f3f59749701c1f0cc1b67785330f1118

    • C:\Users\Admin\AppData\Local\Temp\u3kw.0.exe

      Filesize

      206KB

      MD5

      a33065159222d4c22e581ea419285701

      SHA1

      6297d390c9d8c3b8c3340d8d38d46c1bbf32d354

      SHA256

      ddf2f47cbc0db66b326be096b46854a6ab59a2504688077bba0bbb42c4470ae2

      SHA512

      2860dab79524b7db3f0b7771b8d402905a8096653d1c83e49e3827bb7cd739104848b691be16fbd898b81bfd4fcdd827fc4c8f72da6e91d565f02e59f5725f79

    • C:\Users\Admin\AppData\Local\Temp\u3kw.1.exe

      Filesize

      4.6MB

      MD5

      397926927bca55be4a77839b1c44de6e

      SHA1

      e10f3434ef3021c399dbba047832f02b3c898dbd

      SHA256

      4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

      SHA512

      cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

    • memory/2032-171-0x0000000000400000-0x0000000002AF1000-memory.dmp

      Filesize

      38.9MB

    • memory/2032-100-0x0000000000400000-0x0000000002AF1000-memory.dmp

      Filesize

      38.9MB

    • memory/2032-182-0x0000000000400000-0x0000000002AF1000-memory.dmp

      Filesize

      38.9MB

    • memory/2032-101-0x0000000061E00000-0x0000000061EF3000-memory.dmp

      Filesize

      972KB

    • memory/3756-51-0x0000000000400000-0x00000000008AD000-memory.dmp

      Filesize

      4.7MB

    • memory/3756-63-0x0000000000400000-0x00000000008AD000-memory.dmp

      Filesize

      4.7MB

    • memory/4072-75-0x000001C1BD5F0000-0x000001C1BD5FA000-memory.dmp

      Filesize

      40KB

    • memory/4072-87-0x000001C1DC770000-0x000001C1DC792000-memory.dmp

      Filesize

      136KB

    • memory/4072-68-0x000001C1BEE30000-0x000001C1BEE44000-memory.dmp

      Filesize

      80KB

    • memory/4072-69-0x000001C1D7780000-0x000001C1D77A4000-memory.dmp

      Filesize

      144KB

    • memory/4072-70-0x000001C1D77A0000-0x000001C1D77AA000-memory.dmp

      Filesize

      40KB

    • memory/4072-71-0x000001C1D78E0000-0x000001C1D7992000-memory.dmp

      Filesize

      712KB

    • memory/4072-72-0x000001C1D7C20000-0x000001C1D7C4A000-memory.dmp

      Filesize

      168KB

    • memory/4072-73-0x000001C1D7CA0000-0x000001C1D7CF0000-memory.dmp

      Filesize

      320KB

    • memory/4072-74-0x000001C1D7CF0000-0x000001C1D7D12000-memory.dmp

      Filesize

      136KB

    • memory/4072-64-0x000001C1B98F0000-0x000001C1BD124000-memory.dmp

      Filesize

      56.2MB

    • memory/4072-79-0x000001C1D7D20000-0x000001C1D8020000-memory.dmp

      Filesize

      3.0MB

    • memory/4072-81-0x000001C1DC740000-0x000001C1DC748000-memory.dmp

      Filesize

      32KB

    • memory/4072-84-0x000001C1DC070000-0x000001C1DC078000-memory.dmp

      Filesize

      32KB

    • memory/4072-83-0x000001C1DC050000-0x000001C1DC05E000-memory.dmp

      Filesize

      56KB

    • memory/4072-82-0x000001C1DC080000-0x000001C1DC0B8000-memory.dmp

      Filesize

      224KB

    • memory/4072-66-0x000001C1BD590000-0x000001C1BD5A0000-memory.dmp

      Filesize

      64KB

    • memory/4072-86-0x000001C1DCA10000-0x000001C1DCA72000-memory.dmp

      Filesize

      392KB

    • memory/4072-85-0x000001C1DC9F0000-0x000001C1DC9FA000-memory.dmp

      Filesize

      40KB

    • memory/4072-88-0x000001C1DCFA0000-0x000001C1DD4C8000-memory.dmp

      Filesize

      5.2MB

    • memory/4072-91-0x000001C1DC790000-0x000001C1DC79C000-memory.dmp

      Filesize

      48KB

    • memory/4072-92-0x000001C1DC870000-0x000001C1DC8E6000-memory.dmp

      Filesize

      472KB

    • memory/4072-93-0x000001C1DC7D0000-0x000001C1DC7EE000-memory.dmp

      Filesize

      120KB

    • memory/4072-65-0x000001C1D79C0000-0x000001C1D7ACA000-memory.dmp

      Filesize

      1.0MB

    • memory/4072-67-0x000001C1BEE40000-0x000001C1BEE4C000-memory.dmp

      Filesize

      48KB

    • memory/4640-98-0x0000000000400000-0x000000000046F000-memory.dmp

      Filesize

      444KB

    • memory/4640-97-0x0000000002F90000-0x0000000002FFC000-memory.dmp

      Filesize

      432KB

    • memory/4640-96-0x0000000002C70000-0x0000000002D70000-memory.dmp

      Filesize

      1024KB

    • memory/4640-2-0x0000000002F90000-0x0000000002FFC000-memory.dmp

      Filesize

      432KB

    • memory/4640-50-0x0000000000400000-0x0000000002B1E000-memory.dmp

      Filesize

      39.1MB

    • memory/4640-16-0x0000000000400000-0x0000000002B1E000-memory.dmp

      Filesize

      39.1MB

    • memory/4640-3-0x0000000000400000-0x000000000046F000-memory.dmp

      Filesize

      444KB

    • memory/4640-1-0x0000000002C70000-0x0000000002D70000-memory.dmp

      Filesize

      1024KB