Analysis

  • max time kernel
    124s
  • max time network
    129s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240426-en
  • resource tags

    arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    10-05-2024 19:48

General

  • Target

    b13a7231aad0e6cb3ba549fdca63791d1b0c43ba9d348ed07061547f6793f722.exe

  • Size

    373KB

  • MD5

    ce7f021ef1d1a462aca03e99eb50b5d4

  • SHA1

    afc83a8ff6a0d2697d0ea7879e5798ad37192355

  • SHA256

    b13a7231aad0e6cb3ba549fdca63791d1b0c43ba9d348ed07061547f6793f722

  • SHA512

    d2a752e7b2883854e98519d807d115f584b55c094b159e42f25a4fb9e0c57eac44404dffa3a42e3bb1a0c749d198216196d7462d68fdc5abf90575371e585a90

  • SSDEEP

    6144:AgXLk9lsA7WNFchU6wxpMoyZVn4lt2DSTZATjxhNUP2uxZ698Obd3Tuto1:AgXLk91ar1rKRn4lAQ+1hNUOr9HxuS1

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 21 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\b13a7231aad0e6cb3ba549fdca63791d1b0c43ba9d348ed07061547f6793f722.exe
    "C:\Users\Admin\AppData\Local\Temp\b13a7231aad0e6cb3ba549fdca63791d1b0c43ba9d348ed07061547f6793f722.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4264
    • C:\Users\Admin\AppData\Local\Temp\u3ag.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u3ag.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:2312
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2312 -s 2108
        3⤵
        • Program crash
        PID:2920
    • C:\Users\Admin\AppData\Local\Temp\u3ag.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u3ag.1.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:3576
      • 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:1452
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4264 -s 1184
      2⤵
      • Program crash
      PID:2152
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4264 -ip 4264
    1⤵
      PID:1204
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2312 -ip 2312
      1⤵
        PID:1924

      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\iolo\dm\ioloDMLog.txt

        Filesize

        3KB

        MD5

        7ec96b90eb3e9968f1dab5e91e92bb13

        SHA1

        fa84016d136496c090dbe86dda5ec7443dd6df72

        SHA256

        4ed50cacd44236c7cdf5cdc6ceb2ad8324ab226bcde543730021fdbc46de8f2e

        SHA512

        44b9915e16835a133aedf91ae8e84abd4b492c23af3d1185428dd0d3cda41596f8623f4382c67f0c4687121c7475eec8ab8fc67ca0929430a3f18c4a7510039c

      • C:\Users\Admin\AppData\Local\Temp\u3ag.0.exe

        Filesize

        231KB

        MD5

        6d6e316e6aff81b70218dbb96f2b34e0

        SHA1

        e320424a38cfd7b83473a59c948c4e937c881ee0

        SHA256

        13acc2397bc1d50a9d679443eb7def41878ce745433da8b4f52f5e59635183e0

        SHA512

        f800059686ac9f2ce1eaa04034787f07dd06a718da5a16d0205b5264cc96cf2a9b965c9566b5849194f14b255da8c0cf737a60266e92f142f2a64a884979c519

      • C:\Users\Admin\AppData\Local\Temp\u3ag.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/1452-133-0x0000024476100000-0x0000024476124000-memory.dmp

        Filesize

        144KB

      • memory/1452-134-0x0000024476130000-0x000002447613A000-memory.dmp

        Filesize

        40KB

      • memory/1452-157-0x000002447B090000-0x000002447B0AE000-memory.dmp

        Filesize

        120KB

      • memory/1452-156-0x000002447B130000-0x000002447B1A6000-memory.dmp

        Filesize

        472KB

      • memory/1452-155-0x000002447B050000-0x000002447B05C000-memory.dmp

        Filesize

        48KB

      • memory/1452-152-0x000002447B850000-0x000002447BD78000-memory.dmp

        Filesize

        5.2MB

      • memory/1452-148-0x000002447A920000-0x000002447A928000-memory.dmp

        Filesize

        32KB

      • memory/1452-150-0x000002447B2C0000-0x000002447B322000-memory.dmp

        Filesize

        392KB

      • memory/1452-151-0x000002447B030000-0x000002447B052000-memory.dmp

        Filesize

        136KB

      • memory/1452-128-0x00000244581A0000-0x000002445B9D4000-memory.dmp

        Filesize

        56.2MB

      • memory/1452-129-0x00000244761A0000-0x00000244762AA000-memory.dmp

        Filesize

        1.0MB

      • memory/1452-131-0x00000244760A0000-0x00000244760AC000-memory.dmp

        Filesize

        48KB

      • memory/1452-130-0x0000024476080000-0x0000024476090000-memory.dmp

        Filesize

        64KB

      • memory/1452-132-0x0000024476090000-0x00000244760A4000-memory.dmp

        Filesize

        80KB

      • memory/1452-149-0x000002447B010000-0x000002447B01A000-memory.dmp

        Filesize

        40KB

      • memory/1452-136-0x0000024476430000-0x00000244764E2000-memory.dmp

        Filesize

        712KB

      • memory/1452-135-0x0000024476400000-0x000002447642A000-memory.dmp

        Filesize

        168KB

      • memory/1452-145-0x000002447A9B0000-0x000002447A9B8000-memory.dmp

        Filesize

        32KB

      • memory/1452-137-0x0000024476540000-0x0000024476590000-memory.dmp

        Filesize

        320KB

      • memory/1452-138-0x0000024476510000-0x0000024476532000-memory.dmp

        Filesize

        136KB

      • memory/1452-139-0x0000024476050000-0x000002447605A000-memory.dmp

        Filesize

        40KB

      • memory/1452-143-0x0000024476590000-0x0000024476890000-memory.dmp

        Filesize

        3.0MB

      • memory/1452-147-0x000002447A900000-0x000002447A90E000-memory.dmp

        Filesize

        56KB

      • memory/1452-146-0x000002447A930000-0x000002447A968000-memory.dmp

        Filesize

        224KB

      • memory/2312-116-0x0000000000400000-0x0000000002576000-memory.dmp

        Filesize

        33.5MB

      • memory/2312-34-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/2312-173-0x0000000000400000-0x0000000002576000-memory.dmp

        Filesize

        33.5MB

      • memory/3576-127-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/3576-124-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/4264-26-0x0000000000400000-0x0000000002599000-memory.dmp

        Filesize

        33.6MB

      • memory/4264-1-0x0000000002710000-0x0000000002810000-memory.dmp

        Filesize

        1024KB

      • memory/4264-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/4264-28-0x00000000042C0000-0x000000000432C000-memory.dmp

        Filesize

        432KB

      • memory/4264-27-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/4264-2-0x00000000042C0000-0x000000000432C000-memory.dmp

        Filesize

        432KB