Analysis

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

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-05-2024 15:44

General

  • Target

    da679623726ba0f4ed1ecb923bdcca17b90c7e06d5397b5dda129f1b7e01292a.exe

  • Size

    408KB

  • MD5

    7164b0cd0c13aa5b311104cfcc7ca369

  • SHA1

    d6b40c0dfadb5793c84dec3bf07d217ff2d18211

  • SHA256

    da679623726ba0f4ed1ecb923bdcca17b90c7e06d5397b5dda129f1b7e01292a

  • SHA512

    4c58a389c3181b288a4a497e14ff52eccf354957b580256f9f45ad18653da5187b5d48782f137e280725ad6b4b42327d493758f7913b4ce0d07282a7764e8723

  • SSDEEP

    6144:Et/Mq3iBOHmgiOSbXEX1Hj09wKU2mvAJgiBthwUv:LaRilbUX2jS2Bt2Uv

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 31 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\da679623726ba0f4ed1ecb923bdcca17b90c7e06d5397b5dda129f1b7e01292a.exe
    "C:\Users\Admin\AppData\Local\Temp\da679623726ba0f4ed1ecb923bdcca17b90c7e06d5397b5dda129f1b7e01292a.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:996
    • C:\Users\Admin\AppData\Local\Temp\uro.0.exe
      "C:\Users\Admin\AppData\Local\Temp\uro.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:3860
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3860 -s 2288
        3⤵
        • Program crash
        PID:3696
    • C:\Users\Admin\AppData\Local\Temp\uro.1.exe
      "C:\Users\Admin\AppData\Local\Temp\uro.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:376
      • 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:1576
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 996 -s 1208
      2⤵
      • Program crash
      PID:2764
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 996 -ip 996
    1⤵
      PID:2856
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 3860 -ip 3860
      1⤵
        PID:4872

      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\uro.0.exe

        Filesize

        266KB

        MD5

        6bab6de801426725e2bfb5fe5e618be3

        SHA1

        a95566e6494f403bee7ba8f87740afb7b2390a71

        SHA256

        ecaa6655bef1c90bf1fa78e326b9df7561a7df156315f1ce1abef710ea925104

        SHA512

        6e9940f12e2bca37d3df5e35627a013a42229a5a91c6393a712f955e3450b0edd4dbb161c43b61905a0e16e778d91a5880d9e2e65958c09b77252e117c6cb101

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

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/376-135-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/376-98-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/996-1-0x0000000002DB0000-0x0000000002EB0000-memory.dmp

        Filesize

        1024KB

      • memory/996-13-0x0000000000400000-0x0000000002B23000-memory.dmp

        Filesize

        39.1MB

      • memory/996-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/996-65-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/996-64-0x00000000047B0000-0x000000000481C000-memory.dmp

        Filesize

        432KB

      • memory/996-63-0x0000000000400000-0x0000000002B23000-memory.dmp

        Filesize

        39.1MB

      • memory/996-2-0x00000000047B0000-0x000000000481C000-memory.dmp

        Filesize

        432KB

      • memory/1576-140-0x00000253F3B40000-0x00000253F3C4A000-memory.dmp

        Filesize

        1.0MB

      • memory/1576-149-0x00000253F3EE0000-0x00000253F3F02000-memory.dmp

        Filesize

        136KB

      • memory/1576-168-0x00000253F9180000-0x00000253F919E000-memory.dmp

        Filesize

        120KB

      • memory/1576-167-0x00000253F9220000-0x00000253F9296000-memory.dmp

        Filesize

        472KB

      • memory/1576-137-0x00000253D4C20000-0x00000253D8454000-memory.dmp

        Filesize

        56.2MB

      • memory/1576-166-0x00000253F9140000-0x00000253F914C000-memory.dmp

        Filesize

        48KB

      • memory/1576-163-0x00000253F9990000-0x00000253F9EB8000-memory.dmp

        Filesize

        5.2MB

      • memory/1576-142-0x00000253DA2B0000-0x00000253DA2BC000-memory.dmp

        Filesize

        48KB

      • memory/1576-141-0x00000253DA280000-0x00000253DA290000-memory.dmp

        Filesize

        64KB

      • memory/1576-143-0x00000253DA2A0000-0x00000253DA2B4000-memory.dmp

        Filesize

        80KB

      • memory/1576-144-0x00000253DA2C0000-0x00000253DA2E4000-memory.dmp

        Filesize

        144KB

      • memory/1576-146-0x00000253F39E0000-0x00000253F3A0A000-memory.dmp

        Filesize

        168KB

      • memory/1576-145-0x00000253F39C0000-0x00000253F39CA000-memory.dmp

        Filesize

        40KB

      • memory/1576-147-0x00000253F3D90000-0x00000253F3E42000-memory.dmp

        Filesize

        712KB

      • memory/1576-148-0x00000253F3E90000-0x00000253F3EE0000-memory.dmp

        Filesize

        320KB

      • memory/1576-162-0x00000253F9440000-0x00000253F9462000-memory.dmp

        Filesize

        136KB

      • memory/1576-150-0x00000253F39D0000-0x00000253F39DA000-memory.dmp

        Filesize

        40KB

      • memory/1576-154-0x00000253F3F10000-0x00000253F4210000-memory.dmp

        Filesize

        3.0MB

      • memory/1576-156-0x00000253F8910000-0x00000253F8918000-memory.dmp

        Filesize

        32KB

      • memory/1576-157-0x00000253F8250000-0x00000253F8288000-memory.dmp

        Filesize

        224KB

      • memory/1576-158-0x00000253F8220000-0x00000253F822E000-memory.dmp

        Filesize

        56KB

      • memory/1576-159-0x00000253F8240000-0x00000253F8248000-memory.dmp

        Filesize

        32KB

      • memory/1576-161-0x00000253F93E0000-0x00000253F9442000-memory.dmp

        Filesize

        392KB

      • memory/1576-160-0x00000253F93C0000-0x00000253F93CA000-memory.dmp

        Filesize

        40KB

      • memory/3860-79-0x0000000000400000-0x0000000002AFF000-memory.dmp

        Filesize

        39.0MB

      • memory/3860-14-0x0000000000400000-0x0000000002AFF000-memory.dmp

        Filesize

        39.0MB

      • memory/3860-139-0x0000000000400000-0x0000000002AFF000-memory.dmp

        Filesize

        39.0MB

      • memory/3860-15-0x0000000000400000-0x0000000002AFF000-memory.dmp

        Filesize

        39.0MB

      • memory/3860-26-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB