Analysis

  • max time kernel
    141s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-05-2024 00:32

General

  • Target

    a1aa7034c117960e045a7386df698cfaaab3bfd8b13d02bbee56b1e62e67e46f.exe

  • Size

    384KB

  • MD5

    e8fe249ed5e4a60afe3b5e0063b2aa1a

  • SHA1

    10136812a9720946b8b3de256bd80464a7c15745

  • SHA256

    a1aa7034c117960e045a7386df698cfaaab3bfd8b13d02bbee56b1e62e67e46f

  • SHA512

    ff212796d65628d63474fa261f648e1b93a974aa1db70bb1edac039de9ed798f5e50debd823b407b208894ed33e320bab1a7275c5649446ff9f8e8b8bac12973

  • SSDEEP

    6144:ujfcaXBXkd86TbOMLd1KsPTNqG5Tcq9kdilO1SnO3IExM:87XN6T9RpRAq3O1SnQ3M

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
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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\a1aa7034c117960e045a7386df698cfaaab3bfd8b13d02bbee56b1e62e67e46f.exe
    "C:\Users\Admin\AppData\Local\Temp\a1aa7034c117960e045a7386df698cfaaab3bfd8b13d02bbee56b1e62e67e46f.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2912
    • C:\Users\Admin\AppData\Local\Temp\u28w.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u28w.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:1044
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1044 -s 2284
        3⤵
        • Program crash
        PID:3116
    • C:\Users\Admin\AppData\Local\Temp\u28w.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u28w.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:524
      • 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:312
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1044 -ip 1044
    1⤵
      PID:448

    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

      11a33af66267aadc54cae5c54c4ec8f4

      SHA1

      7a8b991512fa1e4e984fb2b02b5d589e8498464f

      SHA256

      c7cfefc2c8c0d10cb6143a4621dcfd213ddea8bb2fd844b9e66c5de2c4668c60

      SHA512

      7d1bdbff309dd5a0bcf3d709c205a3a789528f688634c86590b615da48ff997ddc0e68c361bc77df82f4fd3a754893d27e370b57bb7ba598549fe5abb484e452

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

      Filesize

      3KB

      MD5

      f5462d2396c60ca52c1c5bcce472d2c3

      SHA1

      b7bd3b3bd102d8a50acdc24f07f26cb810746beb

      SHA256

      c80dd5491efc2a8d9f089e35c9e5c3f2c6acabd4ae543b60497012b60405a0dc

      SHA512

      1c0912400323f0f0ccbdd64955e8a748d2b1730549ee45df250b53a8ed261f816201b973972193ae1ea8b0f0fc5082f78e125946f692efd59c3cf1fca240e374

    • C:\Users\Admin\AppData\Local\Temp\u28w.0.exe

      Filesize

      206KB

      MD5

      a33065159222d4c22e581ea419285701

      SHA1

      6297d390c9d8c3b8c3340d8d38d46c1bbf32d354

      SHA256

      ddf2f47cbc0db66b326be096b46854a6ab59a2504688077bba0bbb42c4470ae2

      SHA512

      2860dab79524b7db3f0b7771b8d402905a8096653d1c83e49e3827bb7cd739104848b691be16fbd898b81bfd4fcdd827fc4c8f72da6e91d565f02e59f5725f79

    • C:\Users\Admin\AppData\Local\Temp\u28w.1.exe

      Filesize

      4.6MB

      MD5

      397926927bca55be4a77839b1c44de6e

      SHA1

      e10f3434ef3021c399dbba047832f02b3c898dbd

      SHA256

      4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

      SHA512

      cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

    • memory/312-76-0x00000275FA6C0000-0x00000275FA6CA000-memory.dmp

      Filesize

      40KB

    • memory/312-84-0x00000275FF020000-0x00000275FF02E000-memory.dmp

      Filesize

      56KB

    • memory/312-95-0x00000275FB050000-0x00000275FB06E000-memory.dmp

      Filesize

      120KB

    • memory/312-93-0x00000275FF580000-0x00000275FF5F6000-memory.dmp

      Filesize

      472KB

    • memory/312-64-0x00000275DB1A0000-0x00000275DE9D4000-memory.dmp

      Filesize

      56.2MB

    • memory/312-65-0x00000275FA930000-0x00000275FAA3A000-memory.dmp

      Filesize

      1.0MB

    • memory/312-67-0x00000275FA620000-0x00000275FA62C000-memory.dmp

      Filesize

      48KB

    • memory/312-66-0x00000275FA600000-0x00000275FA610000-memory.dmp

      Filesize

      64KB

    • memory/312-68-0x00000275FA610000-0x00000275FA624000-memory.dmp

      Filesize

      80KB

    • memory/312-69-0x00000275FA680000-0x00000275FA6A4000-memory.dmp

      Filesize

      144KB

    • memory/312-71-0x00000275FA6B0000-0x00000275FA6BA000-memory.dmp

      Filesize

      40KB

    • memory/312-73-0x00000275FABB0000-0x00000275FAC62000-memory.dmp

      Filesize

      712KB

    • memory/312-72-0x00000275FAB80000-0x00000275FABAA000-memory.dmp

      Filesize

      168KB

    • memory/312-74-0x00000275FACB0000-0x00000275FAD00000-memory.dmp

      Filesize

      320KB

    • memory/312-75-0x00000275FAD00000-0x00000275FAD22000-memory.dmp

      Filesize

      136KB

    • memory/312-92-0x0000027580B00000-0x0000027580B0C000-memory.dmp

      Filesize

      48KB

    • memory/312-80-0x00000275FAD30000-0x00000275FB030000-memory.dmp

      Filesize

      3.0MB

    • memory/312-82-0x00000275FF010000-0x00000275FF018000-memory.dmp

      Filesize

      32KB

    • memory/312-83-0x00000275FF060000-0x00000275FF098000-memory.dmp

      Filesize

      224KB

    • memory/312-89-0x0000027581350000-0x0000027581878000-memory.dmp

      Filesize

      5.2MB

    • memory/312-85-0x00000275FF030000-0x00000275FF038000-memory.dmp

      Filesize

      32KB

    • memory/312-88-0x0000027580E00000-0x0000027580E22000-memory.dmp

      Filesize

      136KB

    • memory/312-87-0x0000027580DA0000-0x0000027580E02000-memory.dmp

      Filesize

      392KB

    • memory/312-86-0x0000027580D80000-0x0000027580D8A000-memory.dmp

      Filesize

      40KB

    • memory/524-63-0x0000000000400000-0x00000000008AD000-memory.dmp

      Filesize

      4.7MB

    • memory/524-52-0x0000000000400000-0x00000000008AD000-memory.dmp

      Filesize

      4.7MB

    • memory/1044-103-0x0000000061E00000-0x0000000061EF3000-memory.dmp

      Filesize

      972KB

    • memory/1044-188-0x0000000000400000-0x0000000002AF1000-memory.dmp

      Filesize

      38.9MB

    • memory/1044-173-0x0000000000400000-0x0000000002AF1000-memory.dmp

      Filesize

      38.9MB

    • memory/1044-151-0x0000000000400000-0x0000000002AF1000-memory.dmp

      Filesize

      38.9MB

    • memory/1044-143-0x0000000000400000-0x0000000002AF1000-memory.dmp

      Filesize

      38.9MB

    • memory/1044-102-0x0000000000400000-0x0000000002AF1000-memory.dmp

      Filesize

      38.9MB

    • memory/2912-35-0x0000000000400000-0x0000000002B1E000-memory.dmp

      Filesize

      39.1MB

    • memory/2912-99-0x0000000000400000-0x000000000046F000-memory.dmp

      Filesize

      444KB

    • memory/2912-98-0x00000000047A0000-0x000000000480C000-memory.dmp

      Filesize

      432KB

    • memory/2912-5-0x0000000000400000-0x0000000002B1E000-memory.dmp

      Filesize

      39.1MB

    • memory/2912-3-0x0000000000400000-0x000000000046F000-memory.dmp

      Filesize

      444KB

    • memory/2912-94-0x0000000002D00000-0x0000000002E00000-memory.dmp

      Filesize

      1024KB

    • memory/2912-1-0x0000000002D00000-0x0000000002E00000-memory.dmp

      Filesize

      1024KB

    • memory/2912-2-0x00000000047A0000-0x000000000480C000-memory.dmp

      Filesize

      432KB