Analysis

  • max time kernel
    140s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-05-2024 00:33

General

  • Target

    f30f30f904872d74547a81b4d6ed6dfd57ec0602de595bedb098281ac886954f.exe

  • Size

    384KB

  • MD5

    781b319373a1ceaf8d629467af244f95

  • SHA1

    bd277cc36925b4f0717a15230d11d7a1f6663a01

  • SHA256

    f30f30f904872d74547a81b4d6ed6dfd57ec0602de595bedb098281ac886954f

  • SHA512

    3cfef8762b5d5db02247705f0edc1b568a7d1cb045616a199a1dd7735ed45fd56ddc857b307a0de2ca00d11913dec36a15ab7b7e65d2bd9442e3ddc6678d0cc4

  • SSDEEP

    6144:ujfcaXBXkd86TbOMLd1KsPTNqG5Tcq9kdilO1SnO3IExF:87XN6T9RpRAq3O1SnQ3F

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 28 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\f30f30f904872d74547a81b4d6ed6dfd57ec0602de595bedb098281ac886954f.exe
    "C:\Users\Admin\AppData\Local\Temp\f30f30f904872d74547a81b4d6ed6dfd57ec0602de595bedb098281ac886954f.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3236
    • C:\Users\Admin\AppData\Local\Temp\u2hw.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u2hw.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:4244
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4244 -s 1304
        3⤵
        • Program crash
        PID:4980
    • C:\Users\Admin\AppData\Local\Temp\u2hw.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u2hw.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:3964
      • 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:4892
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4244 -ip 4244
    1⤵
      PID:3068

    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\u2hw.0.exe

      Filesize

      206KB

      MD5

      a33065159222d4c22e581ea419285701

      SHA1

      6297d390c9d8c3b8c3340d8d38d46c1bbf32d354

      SHA256

      ddf2f47cbc0db66b326be096b46854a6ab59a2504688077bba0bbb42c4470ae2

      SHA512

      2860dab79524b7db3f0b7771b8d402905a8096653d1c83e49e3827bb7cd739104848b691be16fbd898b81bfd4fcdd827fc4c8f72da6e91d565f02e59f5725f79

    • C:\Users\Admin\AppData\Local\Temp\u2hw.1.exe

      Filesize

      4.6MB

      MD5

      397926927bca55be4a77839b1c44de6e

      SHA1

      e10f3434ef3021c399dbba047832f02b3c898dbd

      SHA256

      4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

      SHA512

      cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

    • memory/3236-71-0x0000000000400000-0x0000000002B1E000-memory.dmp

      Filesize

      39.1MB

    • memory/3236-12-0x0000000000400000-0x0000000002B1E000-memory.dmp

      Filesize

      39.1MB

    • memory/3236-132-0x0000000002DB0000-0x0000000002EB0000-memory.dmp

      Filesize

      1024KB

    • memory/3236-133-0x0000000000400000-0x000000000046F000-memory.dmp

      Filesize

      444KB

    • memory/3236-2-0x00000000047A0000-0x000000000480C000-memory.dmp

      Filesize

      432KB

    • memory/3236-3-0x0000000000400000-0x000000000046F000-memory.dmp

      Filesize

      444KB

    • memory/3236-1-0x0000000002DB0000-0x0000000002EB0000-memory.dmp

      Filesize

      1024KB

    • memory/3964-88-0x0000000000400000-0x00000000008AD000-memory.dmp

      Filesize

      4.7MB

    • memory/3964-100-0x0000000000400000-0x00000000008AD000-memory.dmp

      Filesize

      4.7MB

    • memory/4244-176-0x0000000000400000-0x0000000002AF1000-memory.dmp

      Filesize

      38.9MB

    • memory/4244-20-0x0000000000400000-0x0000000002AF1000-memory.dmp

      Filesize

      38.9MB

    • memory/4244-72-0x0000000000400000-0x0000000002AF1000-memory.dmp

      Filesize

      38.9MB

    • memory/4244-38-0x0000000061E00000-0x0000000061EF3000-memory.dmp

      Filesize

      972KB

    • memory/4244-32-0x0000000000400000-0x0000000002AF1000-memory.dmp

      Filesize

      38.9MB

    • memory/4244-28-0x0000000000400000-0x0000000002AF1000-memory.dmp

      Filesize

      38.9MB

    • memory/4892-113-0x0000021BB4850000-0x0000021BB4872000-memory.dmp

      Filesize

      136KB

    • memory/4892-125-0x0000021BB9D30000-0x0000021BB9D92000-memory.dmp

      Filesize

      392KB

    • memory/4892-112-0x0000021BB4800000-0x0000021BB4850000-memory.dmp

      Filesize

      320KB

    • memory/4892-110-0x0000021BB4220000-0x0000021BB424A000-memory.dmp

      Filesize

      168KB

    • memory/4892-109-0x0000021BB41F0000-0x0000021BB41FA000-memory.dmp

      Filesize

      40KB

    • memory/4892-114-0x0000021BB4200000-0x0000021BB420A000-memory.dmp

      Filesize

      40KB

    • memory/4892-118-0x0000021BB4880000-0x0000021BB4B80000-memory.dmp

      Filesize

      3.0MB

    • memory/4892-120-0x0000021BB9260000-0x0000021BB9268000-memory.dmp

      Filesize

      32KB

    • memory/4892-122-0x0000021BB8B70000-0x0000021BB8B7E000-memory.dmp

      Filesize

      56KB

    • memory/4892-123-0x0000021BB8B90000-0x0000021BB8B98000-memory.dmp

      Filesize

      32KB

    • memory/4892-126-0x0000021BB9D90000-0x0000021BB9DB2000-memory.dmp

      Filesize

      136KB

    • memory/4892-111-0x0000021BB4380000-0x0000021BB4432000-memory.dmp

      Filesize

      712KB

    • memory/4892-124-0x0000021BB9D10000-0x0000021BB9D1A000-memory.dmp

      Filesize

      40KB

    • memory/4892-121-0x0000021BB8BA0000-0x0000021BB8BD8000-memory.dmp

      Filesize

      224KB

    • memory/4892-127-0x0000021BBA2E0000-0x0000021BBA808000-memory.dmp

      Filesize

      5.2MB

    • memory/4892-130-0x0000021BB9A90000-0x0000021BB9A9C000-memory.dmp

      Filesize

      48KB

    • memory/4892-131-0x0000021BB9B70000-0x0000021BB9BE6000-memory.dmp

      Filesize

      472KB

    • memory/4892-108-0x0000021BB41D0000-0x0000021BB41F4000-memory.dmp

      Filesize

      144KB

    • memory/4892-105-0x0000021B9B9A0000-0x0000021B9B9B0000-memory.dmp

      Filesize

      64KB

    • memory/4892-134-0x0000021BB9AD0000-0x0000021BB9AEE000-memory.dmp

      Filesize

      120KB

    • memory/4892-107-0x0000021B9B9B0000-0x0000021B9B9C4000-memory.dmp

      Filesize

      80KB

    • memory/4892-106-0x0000021B9B9C0000-0x0000021B9B9CC000-memory.dmp

      Filesize

      48KB

    • memory/4892-104-0x0000021BB4560000-0x0000021BB466A000-memory.dmp

      Filesize

      1.0MB

    • memory/4892-103-0x0000021B963D0000-0x0000021B99C04000-memory.dmp

      Filesize

      56.2MB