Analysis

  • max time kernel
    124s
  • max time network
    126s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240426-en
  • resource tags

    arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    06-05-2024 09:24

General

  • Target

    7d5aca5fc87fbfa483886855dd404dbfc84306272747c2a0e638d77bcb0f3a65.exe

  • Size

    417KB

  • MD5

    eff3fa9cefdbcfe6dda317d9588b82fc

  • SHA1

    11bd7f59e86bd8f6b703f92599a6b96b9a67bef1

  • SHA256

    7d5aca5fc87fbfa483886855dd404dbfc84306272747c2a0e638d77bcb0f3a65

  • SHA512

    1a748b872fb055ee858ba47f7c1ca1211420040164ff0e9f76ce2db64212624edb6a5a509b331e08c311fa5670830e38139c6db03c28ea32886232e7f7312654

  • SSDEEP

    6144:Gvm5q7cumHxCrGqFot529roAosBXIwDT6Wg1dHN8pQUfFZpYY8pS/rUUwKOgYtal:Gvqq7cumorCFKpnq/OFr8pvKStK1

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 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\7d5aca5fc87fbfa483886855dd404dbfc84306272747c2a0e638d77bcb0f3a65.exe
    "C:\Users\Admin\AppData\Local\Temp\7d5aca5fc87fbfa483886855dd404dbfc84306272747c2a0e638d77bcb0f3a65.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3856
    • C:\Users\Admin\AppData\Local\Temp\u2z4.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u2z4.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:3356
    • C:\Users\Admin\AppData\Local\Temp\u2z4.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u2z4.1.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:1036
      • 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:2800
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3856 -s 1528
      2⤵
      • Program crash
      PID:3216
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3856 -ip 3856
    1⤵
      PID:1592

    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\u2z4.0.exe

      Filesize

      275KB

      MD5

      e204cf255baa04d7989d28f3e6b4ab83

      SHA1

      ca10014a405ca8bf9f9a2d19cf71748cf1ae2e63

      SHA256

      4cceee7f9f7da2dc7f29954591aa0e7bd5c8d53063dc4e16cc63996febd9d4f4

      SHA512

      3e2069174efd894cd7f7ea4c7fdae94914c0f342b7a7043737e621cbe8242346a1aae7a1afccbf06f00d66dfa4105633906ba43c822c3d3399ac30078df69c65

    • C:\Users\Admin\AppData\Local\Temp\u2z4.1.exe

      Filesize

      4.6MB

      MD5

      397926927bca55be4a77839b1c44de6e

      SHA1

      e10f3434ef3021c399dbba047832f02b3c898dbd

      SHA256

      4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

      SHA512

      cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

    • memory/1036-137-0x0000000000400000-0x00000000008AD000-memory.dmp

      Filesize

      4.7MB

    • memory/1036-125-0x0000000000400000-0x00000000008AD000-memory.dmp

      Filesize

      4.7MB

    • memory/2800-154-0x000001E8CE1B0000-0x000001E8CE4B0000-memory.dmp

      Filesize

      3.0MB

    • memory/2800-157-0x000001E8D2510000-0x000001E8D2548000-memory.dmp

      Filesize

      224KB

    • memory/2800-167-0x000001E8D2CE0000-0x000001E8D2CFE000-memory.dmp

      Filesize

      120KB

    • memory/2800-166-0x000001E8D2CB0000-0x000001E8D2CD2000-memory.dmp

      Filesize

      136KB

    • memory/2800-164-0x000001E8D2C60000-0x000001E8D2CB0000-memory.dmp

      Filesize

      320KB

    • memory/2800-165-0x000001E8D2C10000-0x000001E8D2C1C000-memory.dmp

      Filesize

      48KB

    • memory/2800-161-0x000001E8D33B0000-0x000001E8D38D8000-memory.dmp

      Filesize

      5.2MB

    • memory/2800-160-0x000001E8D2BF0000-0x000001E8D2C12000-memory.dmp

      Filesize

      136KB

    • memory/2800-159-0x000001E8D2E70000-0x000001E8D2E7A000-memory.dmp

      Filesize

      40KB

    • memory/2800-158-0x000001E8D24E0000-0x000001E8D24EE000-memory.dmp

      Filesize

      56KB

    • memory/2800-138-0x000001E8AFBD0000-0x000001E8B34C8000-memory.dmp

      Filesize

      57.0MB

    • memory/2800-139-0x000001E8CDC50000-0x000001E8CDD60000-memory.dmp

      Filesize

      1.1MB

    • memory/2800-140-0x000001E8B3A20000-0x000001E8B3A30000-memory.dmp

      Filesize

      64KB

    • memory/2800-141-0x000001E8B5310000-0x000001E8B531C000-memory.dmp

      Filesize

      48KB

    • memory/2800-142-0x000001E8B5300000-0x000001E8B5314000-memory.dmp

      Filesize

      80KB

    • memory/2800-143-0x000001E8CDD60000-0x000001E8CDD84000-memory.dmp

      Filesize

      144KB

    • memory/2800-144-0x000001E8CDED0000-0x000001E8CDEDA000-memory.dmp

      Filesize

      40KB

    • memory/2800-145-0x000001E8CDEF0000-0x000001E8CDF1A000-memory.dmp

      Filesize

      168KB

    • memory/2800-146-0x000001E8CDF20000-0x000001E8CDFD2000-memory.dmp

      Filesize

      712KB

    • memory/2800-147-0x000001E8CDFD0000-0x000001E8CE04A000-memory.dmp

      Filesize

      488KB

    • memory/2800-148-0x000001E8CE050000-0x000001E8CE0B2000-memory.dmp

      Filesize

      392KB

    • memory/2800-149-0x000001E8CE130000-0x000001E8CE1A6000-memory.dmp

      Filesize

      472KB

    • memory/2800-150-0x000001E8B3A00000-0x000001E8B3A0A000-memory.dmp

      Filesize

      40KB

    • memory/2800-156-0x000001E8D2BD0000-0x000001E8D2BD8000-memory.dmp

      Filesize

      32KB

    • memory/3356-124-0x0000000000400000-0x0000000001A0F000-memory.dmp

      Filesize

      22.1MB

    • memory/3356-16-0x0000000000400000-0x0000000001A0F000-memory.dmp

      Filesize

      22.1MB

    • memory/3356-17-0x0000000000400000-0x0000000001A0F000-memory.dmp

      Filesize

      22.1MB

    • memory/3356-18-0x0000000000400000-0x0000000001A0F000-memory.dmp

      Filesize

      22.1MB

    • memory/3356-39-0x0000000061E00000-0x0000000061EF3000-memory.dmp

      Filesize

      972KB

    • memory/3856-3-0x0000000000400000-0x000000000046F000-memory.dmp

      Filesize

      444KB

    • memory/3856-34-0x0000000000400000-0x000000000046F000-memory.dmp

      Filesize

      444KB

    • memory/3856-2-0x0000000003770000-0x00000000037DC000-memory.dmp

      Filesize

      432KB

    • memory/3856-1-0x0000000001C50000-0x0000000001D50000-memory.dmp

      Filesize

      1024KB

    • memory/3856-33-0x0000000000400000-0x0000000001A32000-memory.dmp

      Filesize

      22.2MB