Analysis

  • max time kernel
    134s
  • max time network
    135s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-05-2024 01:59

General

  • Target

    e21ea1ce6faa67758c820372736df655dbf70f05928d93f754dc1e01fd15b618.exe

  • Size

    366KB

  • MD5

    ded2c2964f21cb0f3b993197267fb5d0

  • SHA1

    e5ae61b319aba414f857d91ed33118146e1dcf6e

  • SHA256

    e21ea1ce6faa67758c820372736df655dbf70f05928d93f754dc1e01fd15b618

  • SHA512

    4335e720fe3e9bdce2c01544e7aedbdeb4f1bb913106759aae5bc0cb212e3a917af89f11b27f7d593a039140613ee383fc35b483c5d6509ab92fccf462dc79a1

  • SSDEEP

    6144:OumbY5CsTONMI5+dcIIMprOeXcoEo7f6Z1:OFEQhmI5mtDdOe1EoOZ1

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#.

  • Detect binaries embedding considerable number of MFA browser extension IDs. 2 IoCs
  • Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs. 2 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 2 IoCs
  • Detects encrypted or obfuscated .NET executables 1 IoCs
  • 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 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\e21ea1ce6faa67758c820372736df655dbf70f05928d93f754dc1e01fd15b618.exe
    "C:\Users\Admin\AppData\Local\Temp\e21ea1ce6faa67758c820372736df655dbf70f05928d93f754dc1e01fd15b618.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:932
    • C:\Users\Admin\AppData\Local\Temp\upw.0.exe
      "C:\Users\Admin\AppData\Local\Temp\upw.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:952
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 952 -s 1980
        3⤵
        • Program crash
        PID:1500
    • C:\Users\Admin\AppData\Local\Temp\upw.1.exe
      "C:\Users\Admin\AppData\Local\Temp\upw.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:4088
      • 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:3036
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 932 -s 1144
      2⤵
      • Program crash
      PID:2016
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 932 -ip 932
    1⤵
      PID:3972
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 952 -ip 952
      1⤵
        PID:3600

      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\upw.0.exe

        Filesize

        245KB

        MD5

        dd87d2cb25ca0057e220c143dd4b628e

        SHA1

        48238804ea2bee1cb0cf1e1c946a12bfc1265a15

        SHA256

        e07d3383a78b7b05cd27cf2f569c6e93026e9f40dff4ccb8ec81efafa6b2b23f

        SHA512

        bc7a14eb4b49df3f99028b1ae6dadf6bbca205d564c13c7dc2d05641a9e0d06558eb0bf67aaf51cf5c9c70c9963fe6265755259dae8e643484b0124796f57ff3

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

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/932-4-0x0000000000400000-0x0000000002B19000-memory.dmp

        Filesize

        39.1MB

      • memory/932-28-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/932-27-0x0000000000400000-0x0000000002B19000-memory.dmp

        Filesize

        39.1MB

      • memory/932-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/932-1-0x0000000002DA0000-0x0000000002EA0000-memory.dmp

        Filesize

        1024KB

      • memory/932-2-0x0000000002CB0000-0x0000000002D1C000-memory.dmp

        Filesize

        432KB

      • memory/952-34-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/952-114-0x0000000000400000-0x0000000002579000-memory.dmp

        Filesize

        33.5MB

      • memory/952-168-0x0000000000400000-0x0000000002579000-memory.dmp

        Filesize

        33.5MB

      • memory/3036-137-0x00000204F82A0000-0x00000204F82F0000-memory.dmp

        Filesize

        320KB

      • memory/3036-145-0x00000204FCD30000-0x00000204FCD38000-memory.dmp

        Filesize

        32KB

      • memory/3036-130-0x00000204F4CF0000-0x00000204F4D00000-memory.dmp

        Filesize

        64KB

      • memory/3036-131-0x00000204F7C10000-0x00000204F7C1C000-memory.dmp

        Filesize

        48KB

      • memory/3036-132-0x00000204F7C00000-0x00000204F7C14000-memory.dmp

        Filesize

        80KB

      • memory/3036-133-0x00000204F7C70000-0x00000204F7C94000-memory.dmp

        Filesize

        144KB

      • memory/3036-128-0x00000204F1040000-0x00000204F4874000-memory.dmp

        Filesize

        56.2MB

      • memory/3036-136-0x00000204F81A0000-0x00000204F8252000-memory.dmp

        Filesize

        712KB

      • memory/3036-135-0x00000204F8170000-0x00000204F819A000-memory.dmp

        Filesize

        168KB

      • memory/3036-134-0x00000204F7CA0000-0x00000204F7CAA000-memory.dmp

        Filesize

        40KB

      • memory/3036-138-0x00000204F82F0000-0x00000204F8312000-memory.dmp

        Filesize

        136KB

      • memory/3036-139-0x00000204F7CB0000-0x00000204F7CBA000-memory.dmp

        Filesize

        40KB

      • memory/3036-143-0x00000204F8320000-0x00000204F8620000-memory.dmp

        Filesize

        3.0MB

      • memory/3036-129-0x00000204F7F20000-0x00000204F802A000-memory.dmp

        Filesize

        1.0MB

      • memory/3036-148-0x00000204FC660000-0x00000204FC668000-memory.dmp

        Filesize

        32KB

      • memory/3036-147-0x00000204FC640000-0x00000204FC64E000-memory.dmp

        Filesize

        56KB

      • memory/3036-146-0x00000204FC670000-0x00000204FC6A8000-memory.dmp

        Filesize

        224KB

      • memory/3036-151-0x00000204FD5D0000-0x00000204FD5F2000-memory.dmp

        Filesize

        136KB

      • memory/3036-150-0x00000204FD570000-0x00000204FD5D2000-memory.dmp

        Filesize

        392KB

      • memory/3036-149-0x00000204FD7E0000-0x00000204FD7EA000-memory.dmp

        Filesize

        40KB

      • memory/3036-152-0x00000204FDD20000-0x00000204FE248000-memory.dmp

        Filesize

        5.2MB

      • memory/3036-155-0x00000204FD560000-0x00000204FD56C000-memory.dmp

        Filesize

        48KB

      • memory/3036-156-0x00000204FD6C0000-0x00000204FD736000-memory.dmp

        Filesize

        472KB

      • memory/3036-157-0x00000204FD620000-0x00000204FD63E000-memory.dmp

        Filesize

        120KB

      • memory/4088-127-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/4088-124-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB