Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-05-2024 23:59

General

  • Target

    8ee0df690fa2173f362289c435db0193d11cefdd3aa88306fcd63ba43c7dfdb2.exe

  • Size

    384KB

  • MD5

    8374e28c22d3a89dd3c96035a24a3ada

  • SHA1

    2d67cde027b5e836115be87cb53e2ca8af096ea0

  • SHA256

    8ee0df690fa2173f362289c435db0193d11cefdd3aa88306fcd63ba43c7dfdb2

  • SHA512

    28a9625753611f452e0fe6878e4e62a64d51bbe72c94f58f075988166b5980ddbe8983ca298b298777be2918e5b04dc00076bede5c5fce590023eb4e0c4c8a9a

  • SSDEEP

    12288:lvNMaEOh22VwmtX3FLa16B3FuOx6LiBwwK:lVrs25X3V66BoOxvVK

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 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 26 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\8ee0df690fa2173f362289c435db0193d11cefdd3aa88306fcd63ba43c7dfdb2.exe
    "C:\Users\Admin\AppData\Local\Temp\8ee0df690fa2173f362289c435db0193d11cefdd3aa88306fcd63ba43c7dfdb2.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2908
    • C:\Users\Admin\AppData\Local\Temp\u28s.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u28s.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:392
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 392 -s 2336
        3⤵
        • Program crash
        PID:4168
    • C:\Users\Admin\AppData\Local\Temp\u28s.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u28s.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:4408
      • 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:2444
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2908 -s 996
      2⤵
      • Program crash
      PID:1972
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2908 -ip 2908
    1⤵
      PID:3712
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 392 -ip 392
      1⤵
        PID:2824

      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\u28s.0.exe

        Filesize

        206KB

        MD5

        0917be53327ea132956255dcab650a82

        SHA1

        b60818917f645a8a9af3b530e3ae37c1f002be2f

        SHA256

        211c34660898480e0777c6ef6f61bf2111f6550e00b40cab859543d567dc455a

        SHA512

        a72acc24ba813d983bbf2ecab7929d0aab4e25637ae43e85b973a5105429bd15c061415fd855737620caaf81b456b2d6ba57f85566245efbe5f8b5db5560932a

      • C:\Users\Admin\AppData\Local\Temp\u28s.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/392-54-0x0000000000400000-0x0000000002AF1000-memory.dmp

        Filesize

        38.9MB

      • memory/392-171-0x0000000000400000-0x0000000002AF1000-memory.dmp

        Filesize

        38.9MB

      • memory/392-169-0x0000000000400000-0x0000000002AF1000-memory.dmp

        Filesize

        38.9MB

      • memory/392-69-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/392-64-0x0000000000400000-0x0000000002AF1000-memory.dmp

        Filesize

        38.9MB

      • memory/2444-107-0x000001B2E6690000-0x000001B2E669A000-memory.dmp

        Filesize

        40KB

      • memory/2444-121-0x000001B2EB7F0000-0x000001B2EB7F8000-memory.dmp

        Filesize

        32KB

      • memory/2444-139-0x000001B2EC370000-0x000001B2EC38E000-memory.dmp

        Filesize

        120KB

      • memory/2444-84-0x000001B2C8960000-0x000001B2CC194000-memory.dmp

        Filesize

        56.2MB

      • memory/2444-135-0x000001B2EC410000-0x000001B2EC486000-memory.dmp

        Filesize

        472KB

      • memory/2444-104-0x000001B2CDF50000-0x000001B2CDF5C000-memory.dmp

        Filesize

        48KB

      • memory/2444-103-0x000001B2CC580000-0x000001B2CC590000-memory.dmp

        Filesize

        64KB

      • memory/2444-102-0x000001B2E6AE0000-0x000001B2E6BEA000-memory.dmp

        Filesize

        1.0MB

      • memory/2444-105-0x000001B2CC5F0000-0x000001B2CC604000-memory.dmp

        Filesize

        80KB

      • memory/2444-106-0x000001B2E6670000-0x000001B2E6694000-memory.dmp

        Filesize

        144KB

      • memory/2444-134-0x000001B2EC0B0000-0x000001B2EC0BC000-memory.dmp

        Filesize

        48KB

      • memory/2444-112-0x000001B2E6A10000-0x000001B2E6AC2000-memory.dmp

        Filesize

        712KB

      • memory/2444-111-0x000001B2E66D0000-0x000001B2E66FA000-memory.dmp

        Filesize

        168KB

      • memory/2444-113-0x000001B2E6D80000-0x000001B2E6DD0000-memory.dmp

        Filesize

        320KB

      • memory/2444-114-0x000001B2E6DD0000-0x000001B2E6DF2000-memory.dmp

        Filesize

        136KB

      • memory/2444-119-0x000001B2E6E00000-0x000001B2E7100000-memory.dmp

        Filesize

        3.0MB

      • memory/2444-115-0x000001B2E66A0000-0x000001B2E66AA000-memory.dmp

        Filesize

        40KB

      • memory/2444-131-0x000001B2EC5F0000-0x000001B2ECB18000-memory.dmp

        Filesize

        5.2MB

      • memory/2444-123-0x000001B2EB100000-0x000001B2EB10E000-memory.dmp

        Filesize

        56KB

      • memory/2444-124-0x000001B2EB120000-0x000001B2EB128000-memory.dmp

        Filesize

        32KB

      • memory/2444-122-0x000001B2EB130000-0x000001B2EB168000-memory.dmp

        Filesize

        224KB

      • memory/2444-130-0x000001B2EC090000-0x000001B2EC0B2000-memory.dmp

        Filesize

        136KB

      • memory/2444-129-0x000001B2EC030000-0x000001B2EC092000-memory.dmp

        Filesize

        392KB

      • memory/2444-128-0x000001B2EC010000-0x000001B2EC01A000-memory.dmp

        Filesize

        40KB

      • memory/2908-1-0x0000000002C50000-0x0000000002D50000-memory.dmp

        Filesize

        1024KB

      • memory/2908-31-0x0000000000400000-0x0000000002B1E000-memory.dmp

        Filesize

        39.1MB

      • memory/2908-32-0x0000000004750000-0x00000000047BC000-memory.dmp

        Filesize

        432KB

      • memory/2908-33-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/2908-5-0x0000000000400000-0x0000000002B1E000-memory.dmp

        Filesize

        39.1MB

      • memory/2908-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/2908-2-0x0000000004750000-0x00000000047BC000-memory.dmp

        Filesize

        432KB

      • memory/4408-55-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/4408-67-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB