Analysis

  • max time kernel
    142s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-05-2024 22:01

General

  • Target

    133e9bf092c5b34f9c90978e73dcbdbf58e60209216a091a95de91ffd01dd9da.exe

  • Size

    416KB

  • MD5

    39771042beb6fa40a487ff10e4e50d86

  • SHA1

    69f1647638f23d4132d499f71b3d251e32ad9ccb

  • SHA256

    133e9bf092c5b34f9c90978e73dcbdbf58e60209216a091a95de91ffd01dd9da

  • SHA512

    e017b741cc5f2abfd91f6c92e55fb5918f0a3663bcb37b961e65e6690741b4cc3005e0b6cfc525012e02ea5589d102d728d8df4a687c6131ad0a79bb9b5fdfd4

  • SSDEEP

    6144:xNDSLZK+bH6tSYLDidexnCihNJnrWXy1JFIHbP3ShohW90P:LSLZKK/dCCibRz4PiLaP

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 30 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\133e9bf092c5b34f9c90978e73dcbdbf58e60209216a091a95de91ffd01dd9da.exe
    "C:\Users\Admin\AppData\Local\Temp\133e9bf092c5b34f9c90978e73dcbdbf58e60209216a091a95de91ffd01dd9da.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3040
    • C:\Users\Admin\AppData\Local\Temp\u2cg.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u2cg.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:536
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 536 -s 2348
        3⤵
        • Program crash
        PID:1096
    • C:\Users\Admin\AppData\Local\Temp\u2cg.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u2cg.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:2780
      • 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:64
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3040 -s 1148
      2⤵
      • Program crash
      PID:1496
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3040 -ip 3040
    1⤵
      PID:1808
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 536 -ip 536
      1⤵
        PID:2184

      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\u2cg.0.exe

        Filesize

        274KB

        MD5

        fae96a12ae35c2243801206ca089798d

        SHA1

        52b8769b202701900f03c386623232ee23fb90d3

        SHA256

        1b32e30cfeea17e7f29f8c907c42cafc3a18da4306007b5c5bc38cb6bb4f1750

        SHA512

        7a3d2284145b98b8db779e1a941f48125fd3fee00dc147fb6a2c0ecf0840b9c52973930871182e402726878de2bfb0dd7e4d64396e4280700511e2ac81aa7abe

      • C:\Users\Admin\AppData\Local\Temp\u2cg.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/64-129-0x0000015FB2C50000-0x0000015FB2C72000-memory.dmp

        Filesize

        136KB

      • memory/64-117-0x0000015FAD8F0000-0x0000015FAD952000-memory.dmp

        Filesize

        392KB

      • memory/64-159-0x0000015FB2CC0000-0x0000015FB2CDE000-memory.dmp

        Filesize

        120KB

      • memory/64-138-0x0000015FB2FB0000-0x0000015FB2FD2000-memory.dmp

        Filesize

        136KB

      • memory/64-134-0x0000015FB2C70000-0x0000015FB2C7C000-memory.dmp

        Filesize

        48KB

      • memory/64-133-0x0000015FB2CE0000-0x0000015FB2D30000-memory.dmp

        Filesize

        320KB

      • memory/64-130-0x0000015FB31D0000-0x0000015FB36F8000-memory.dmp

        Filesize

        5.2MB

      • memory/64-107-0x0000015F8E5A0000-0x0000015F91E98000-memory.dmp

        Filesize

        57.0MB

      • memory/64-108-0x0000015FAD570000-0x0000015FAD680000-memory.dmp

        Filesize

        1.1MB

      • memory/64-110-0x0000015FAD380000-0x0000015FAD38C000-memory.dmp

        Filesize

        48KB

      • memory/64-109-0x0000015FAD360000-0x0000015FAD370000-memory.dmp

        Filesize

        64KB

      • memory/64-111-0x0000015FAD240000-0x0000015FAD254000-memory.dmp

        Filesize

        80KB

      • memory/64-112-0x0000015FAD3D0000-0x0000015FAD3F4000-memory.dmp

        Filesize

        144KB

      • memory/64-114-0x0000015FAD430000-0x0000015FAD45A000-memory.dmp

        Filesize

        168KB

      • memory/64-113-0x0000015FAD3F0000-0x0000015FAD3FA000-memory.dmp

        Filesize

        40KB

      • memory/64-115-0x0000015FAD7C0000-0x0000015FAD872000-memory.dmp

        Filesize

        712KB

      • memory/64-116-0x0000015FAD870000-0x0000015FAD8EA000-memory.dmp

        Filesize

        488KB

      • memory/64-128-0x0000015FB1E30000-0x0000015FB1E3A000-memory.dmp

        Filesize

        40KB

      • memory/64-118-0x0000015FAD9D0000-0x0000015FADA46000-memory.dmp

        Filesize

        472KB

      • memory/64-119-0x0000015FAD400000-0x0000015FAD40A000-memory.dmp

        Filesize

        40KB

      • memory/64-123-0x0000015FADA50000-0x0000015FADD50000-memory.dmp

        Filesize

        3.0MB

      • memory/64-125-0x0000015FB16C0000-0x0000015FB16C8000-memory.dmp

        Filesize

        32KB

      • memory/64-126-0x0000015FB1DC0000-0x0000015FB1DF8000-memory.dmp

        Filesize

        224KB

      • memory/64-127-0x0000015FB1D90000-0x0000015FB1D9E000-memory.dmp

        Filesize

        56KB

      • memory/536-83-0x0000000000400000-0x0000000002B02000-memory.dmp

        Filesize

        39.0MB

      • memory/536-50-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/536-34-0x0000000000400000-0x0000000002B02000-memory.dmp

        Filesize

        39.0MB

      • memory/536-161-0x0000000000400000-0x0000000002B02000-memory.dmp

        Filesize

        39.0MB

      • memory/536-176-0x0000000000400000-0x0000000002B02000-memory.dmp

        Filesize

        39.0MB

      • memory/2780-106-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/2780-84-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/3040-29-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/3040-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/3040-26-0x0000000000400000-0x0000000002B25000-memory.dmp

        Filesize

        39.1MB

      • memory/3040-2-0x0000000004750000-0x00000000047BC000-memory.dmp

        Filesize

        432KB

      • memory/3040-1-0x0000000002B50000-0x0000000002C50000-memory.dmp

        Filesize

        1024KB