Analysis

  • max time kernel
    146s
  • max time network
    152s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240508-en
  • resource tags

    arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    10/05/2024, 12:39

General

  • Target
    2ec2583edf935a0b71968c81e50358790cbcad334e88dc5d9ee87f716978fbd8.exe
  • Size 373KB
  • Sample240510-pvtxraab59
  • SHA256 2ec2583edf935a0b71968c81e50358790cbcad334e88dc5d9ee87f716978fbd8
  • MD5 SHA1 SHA512 SSDEEP

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
  • 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 23 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\2ec2583edf935a0b71968c81e50358790cbcad334e88dc5d9ee87f716978fbd8.exe
    "C:\Users\Admin\AppData\Local\Temp\2ec2583edf935a0b71968c81e50358790cbcad334e88dc5d9ee87f716978fbd8.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3032
    • C:\Users\Admin\AppData\Local\Temp\u2c8.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u2c8.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:2892
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2892 -s 2116
        3⤵
        • Program crash
        PID:2680
    • C:\Users\Admin\AppData\Local\Temp\u2c8.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u2c8.1.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:1180
      • 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:3224
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3032 -s 1196
      2⤵
      • Program crash
      PID:4188
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3032 -ip 3032
    1⤵
      PID:2320
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 2892 -ip 2892
      1⤵
        PID:4244

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            Are.docx

            • Path C:\ProgramData\Are.docx
            • Size 11KB
            • SHA256 5abf8e3d1f78de7b09d7f6fb87f9e80e60caacf13ef3c1289665653dacd7c454
            • MD5 SHA1 SHA512 SSDEEP

            mozglue.dll

            • Path C:\ProgramData\mozglue.dll
            • Size 593KB
            • SHA256 ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
            • MD5 SHA1 SHA512 SSDEEP

            nss3.dll

            • Path C:\ProgramData\nss3.dll
            • Size 2.0MB
            • SHA256 ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
            • MD5 SHA1 SHA512 SSDEEP

            ioloDMLog.txt

            • Path C:\Users\Admin\AppData\Local\Temp\iolo\dm\ioloDMLog.txt
            • Size 2KB
            • SHA256 6703d4236149640a384a9172247336a6679aa6ce7600415d9232ef229826ee41
            • MD5 SHA1 SHA512

            u2c8.0.exe

            • Path C:\Users\Admin\AppData\Local\Temp\u2c8.0.exe
            • Size 231KB
            • SHA256 ab5ad9f5fd8938c963a1602539d2409a514f26e8263b9f424b3a79fc3632f98f
            • MD5 SHA1 SHA512 SSDEEP

            u2c8.1.exe

            • Path C:\Users\Admin\AppData\Local\Temp\u2c8.1.exe
            • Size 4.6MB
            • SHA256 4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
            • MD5 SHA1 SHA512 SSDEEP

            memory/1180-148-0x0000000000400000-0x00000000008AD000-memory.dmp

            memory/1180-134-0x0000000000400000-0x00000000008AD000-memory.dmp

            memory/2892-15-0x0000000000400000-0x0000000002576000-memory.dmp

            memory/2892-53-0x0000000000400000-0x0000000002576000-memory.dmp

            memory/2892-114-0x0000000000400000-0x0000000002576000-memory.dmp

            memory/2892-18-0x0000000061E00000-0x0000000061EF3000-memory.dmp

            memory/2892-61-0x0000000000400000-0x0000000002576000-memory.dmp

            memory/2892-16-0x0000000000400000-0x0000000002576000-memory.dmp

            memory/2892-14-0x0000000000400000-0x0000000002576000-memory.dmp

            memory/3032-62-0x0000000002820000-0x0000000002920000-memory.dmp

            memory/3032-1-0x0000000002820000-0x0000000002920000-memory.dmp

            memory/3032-113-0x0000000000400000-0x000000000046F000-memory.dmp

            memory/3032-112-0x0000000000400000-0x0000000002599000-memory.dmp

            memory/3032-63-0x0000000000400000-0x000000000046F000-memory.dmp

            memory/3032-12-0x0000000000400000-0x0000000002599000-memory.dmp

            memory/3032-3-0x0000000000400000-0x000000000046F000-memory.dmp

            memory/3032-2-0x00000000042C0000-0x000000000432C000-memory.dmp

            memory/3224-156-0x000001C4EAC60000-0x000001C4EAD12000-memory.dmp

            memory/3224-160-0x000001C4EA640000-0x000001C4EA64A000-memory.dmp

            memory/3224-152-0x000001C4EA680000-0x000001C4EA68C000-memory.dmp

            memory/3224-151-0x000001C4EA660000-0x000001C4EA670000-memory.dmp

            memory/3224-153-0x000001C4EA670000-0x000001C4EA684000-memory.dmp

            memory/3224-154-0x000001C4EA6F0000-0x000001C4EA714000-memory.dmp

            memory/3224-155-0x000001C4EA730000-0x000001C4EA73A000-memory.dmp

            memory/3224-149-0x000001C4E4960000-0x000001C4E8194000-memory.dmp

            memory/3224-157-0x000001C4EA770000-0x000001C4EA79A000-memory.dmp

            memory/3224-158-0x000001C4EAD10000-0x000001C4EAD60000-memory.dmp

            memory/3224-159-0x000001C4EA7A0000-0x000001C4EA7C2000-memory.dmp

            memory/3224-150-0x000001C4EAA00000-0x000001C4EAB0A000-memory.dmp

            memory/3224-164-0x000001C4EAD60000-0x000001C4EB060000-memory.dmp

            memory/3224-166-0x000001C4EF7B0000-0x000001C4EF7B8000-memory.dmp

            memory/3224-168-0x000001C4EF0C0000-0x000001C4EF0CE000-memory.dmp

            memory/3224-167-0x000001C4EF0F0000-0x000001C4EF128000-memory.dmp

            memory/3224-169-0x000001C4EF0E0000-0x000001C4EF0E8000-memory.dmp

            memory/3224-171-0x000001C4EFA80000-0x000001C4EFAE2000-memory.dmp

            memory/3224-170-0x000001C4EFA60000-0x000001C4EFA6A000-memory.dmp

            memory/3224-172-0x000001C4EF7E0000-0x000001C4EF802000-memory.dmp

            memory/3224-173-0x000001C4F0010000-0x000001C4F0538000-memory.dmp

            memory/3224-176-0x000001C4EF800000-0x000001C4EF80C000-memory.dmp

            memory/3224-177-0x000001C4EF8E0000-0x000001C4EF956000-memory.dmp

            memory/3224-178-0x000001C4EF840000-0x000001C4EF85E000-memory.dmp