Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240426-en
  • resource tags

    arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    07-05-2024 10:02

General

  • Target

    cb4473f66bba06f982a1466e67e65097f95476484a4a249f53fd4d17deaf9185.exe

  • Size

    417KB

  • MD5

    97681ae7a2c06351eb339e8311e9564e

  • SHA1

    e647e373ee4eb2c1f70395bf911fad2974d9420c

  • SHA256

    cb4473f66bba06f982a1466e67e65097f95476484a4a249f53fd4d17deaf9185

  • SHA512

    ad92c67b610a24477a647d0db4208ff1b264f6b342c7d6e2cd89f1f4b8f8e2a41fc6f783ac565b34b2125bd76bc7cd156e2e578fc17ef2732883034018d10279

  • SSDEEP

    12288:0H9S9mUikIgN8hRxsG207aR7FPDROmjLtNeoDK:0d7mkRH7MJbjL5K

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 25 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\cb4473f66bba06f982a1466e67e65097f95476484a4a249f53fd4d17deaf9185.exe
    "C:\Users\Admin\AppData\Local\Temp\cb4473f66bba06f982a1466e67e65097f95476484a4a249f53fd4d17deaf9185.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:976
    • C:\Users\Admin\AppData\Local\Temp\ur4.0.exe
      "C:\Users\Admin\AppData\Local\Temp\ur4.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:1048
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1048 -s 2416
        3⤵
        • Program crash
        PID:1324
    • C:\Users\Admin\AppData\Local\Temp\ur4.1.exe
      "C:\Users\Admin\AppData\Local\Temp\ur4.1.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:1244
      • 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:4204
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 976 -s 1196
      2⤵
      • Program crash
      PID:2192
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 976 -ip 976
    1⤵
      PID:1992
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 1048 -ip 1048
      1⤵
        PID:1876

      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

        6b76327f7c6cd6935b3b025f9948c7c2

        SHA1

        fff537a378613f2702ea11493e35ad3db6671eaa

        SHA256

        ea037c939aa2d6e336de04d9fd6f5c7a99db6683d884d2208b8583082b7a90bc

        SHA512

        8e7dfe3a9da42d37fef9ca4315bdd13f0de0475103832f38146399820225791287e841e683f3e3a2cffd1a1d9f2ed8b62987dc45c6aead3d27a2df79549fd721

      • C:\Users\Admin\AppData\Local\Temp\ur4.0.exe

        Filesize

        275KB

        MD5

        4d59827a760364256f740c2cad58d8f6

        SHA1

        5a8f9783ae132ffeff811601207ed7b92d7e38db

        SHA256

        10b53636b794b111435f1213332cb9e36455457d51748f9057e893e0b93ca654

        SHA512

        2acf56000787d5da0476b2959c189abdf01a8bef0badb38607f3d1a92ea42cc8564ef29684f73f49683fbc49d54d6a6e8e05c64d00ce931a45435b3590bb8f1f

      • C:\Users\Admin\AppData\Local\Temp\ur4.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/976-65-0x0000000000400000-0x0000000002B25000-memory.dmp

        Filesize

        39.1MB

      • memory/976-2-0x00000000048E0000-0x000000000494C000-memory.dmp

        Filesize

        432KB

      • memory/976-1-0x0000000002DE0000-0x0000000002EE0000-memory.dmp

        Filesize

        1024KB

      • memory/976-13-0x0000000000400000-0x0000000002B25000-memory.dmp

        Filesize

        39.1MB

      • memory/976-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/976-66-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/1048-14-0x0000000000400000-0x0000000002B02000-memory.dmp

        Filesize

        39.0MB

      • memory/1048-95-0x0000000000400000-0x0000000002B02000-memory.dmp

        Filesize

        39.0MB

      • memory/1048-64-0x0000000000400000-0x0000000002B02000-memory.dmp

        Filesize

        39.0MB

      • memory/1048-175-0x0000000000400000-0x0000000002B02000-memory.dmp

        Filesize

        39.0MB

      • memory/1048-17-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/1048-16-0x0000000000400000-0x0000000002B02000-memory.dmp

        Filesize

        39.0MB

      • memory/1048-15-0x0000000000400000-0x0000000002B02000-memory.dmp

        Filesize

        39.0MB

      • memory/1244-96-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/1244-108-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/4204-114-0x000001AF522C0000-0x000001AF522E4000-memory.dmp

        Filesize

        144KB

      • memory/4204-112-0x000001AF522A0000-0x000001AF522AC000-memory.dmp

        Filesize

        48KB

      • memory/4204-118-0x000001AF52A50000-0x000001AF52AA0000-memory.dmp

        Filesize

        320KB

      • memory/4204-117-0x000001AF52950000-0x000001AF52A02000-memory.dmp

        Filesize

        712KB

      • memory/4204-116-0x000001AF52920000-0x000001AF5294A000-memory.dmp

        Filesize

        168KB

      • memory/4204-115-0x000001AF52460000-0x000001AF5246A000-memory.dmp

        Filesize

        40KB

      • memory/4204-122-0x000001AF52AA0000-0x000001AF52AC2000-memory.dmp

        Filesize

        136KB

      • memory/4204-123-0x000001AF39970000-0x000001AF3997A000-memory.dmp

        Filesize

        40KB

      • memory/4204-127-0x000001AF52AD0000-0x000001AF52DD0000-memory.dmp

        Filesize

        3.0MB

      • memory/4204-132-0x000001AF56790000-0x000001AF56798000-memory.dmp

        Filesize

        32KB

      • memory/4204-134-0x000001AF56E60000-0x000001AF56E6E000-memory.dmp

        Filesize

        56KB

      • memory/4204-135-0x000001AF56E80000-0x000001AF56E88000-memory.dmp

        Filesize

        32KB

      • memory/4204-133-0x000001AF56E90000-0x000001AF56EC8000-memory.dmp

        Filesize

        224KB

      • memory/4204-113-0x000001AF52290000-0x000001AF522A4000-memory.dmp

        Filesize

        80KB

      • memory/4204-111-0x000001AF52280000-0x000001AF52290000-memory.dmp

        Filesize

        64KB

      • memory/4204-149-0x000001AF577D0000-0x000001AF57832000-memory.dmp

        Filesize

        392KB

      • memory/4204-148-0x000001AF57520000-0x000001AF5752A000-memory.dmp

        Filesize

        40KB

      • memory/4204-151-0x000001AF57540000-0x000001AF57562000-memory.dmp

        Filesize

        136KB

      • memory/4204-153-0x000001AF57D60000-0x000001AF58288000-memory.dmp

        Filesize

        5.2MB

      • memory/4204-159-0x000001AF57560000-0x000001AF5756C000-memory.dmp

        Filesize

        48KB

      • memory/4204-160-0x000001AF57640000-0x000001AF576B6000-memory.dmp

        Filesize

        472KB

      • memory/4204-110-0x000001AF52650000-0x000001AF5275A000-memory.dmp

        Filesize

        1.0MB

      • memory/4204-109-0x000001AF344F0000-0x000001AF37D24000-memory.dmp

        Filesize

        56.2MB

      • memory/4204-176-0x000001AF52EF0000-0x000001AF52F0E000-memory.dmp

        Filesize

        120KB

      • memory/4204-178-0x000001AF52490000-0x000001AF52643000-memory.dmp

        Filesize

        1.7MB