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Analysis

  • max time kernel
    131s
  • max time network
    133s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240419-en
  • resource tags

    arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    07/05/2024, 12:49

General

  • Target

    dc55e283b53fbfc6c4d4b252f8ed9320347839aebc0c3dd66c042e5e5fe0b862.exe

  • Size

    407KB

  • MD5

    cad2d979df709558907bb36f9184b34c

  • SHA1

    ceee8636db5fd6d7c1a1a669263bd7b1cbfef942

  • SHA256

    dc55e283b53fbfc6c4d4b252f8ed9320347839aebc0c3dd66c042e5e5fe0b862

  • SHA512

    cb931e02fd86f8ba8e20bc093171878cc615a647d40c9d74386839d758e2e15cc0ab988823065bd18dd3823fb780ad82b8f67e4f0765db1f1cada4472fa2345e

  • SSDEEP

    6144:TRJCasp2zJZshZ3ZBtPeWNk/GW5qqSODl+40hwxq:uaVYPnYAqwp2xq

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\dc55e283b53fbfc6c4d4b252f8ed9320347839aebc0c3dd66c042e5e5fe0b862.exe
    "C:\Users\Admin\AppData\Local\Temp\dc55e283b53fbfc6c4d4b252f8ed9320347839aebc0c3dd66c042e5e5fe0b862.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3932
    • C:\Users\Admin\AppData\Local\Temp\u318.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u318.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:3148
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3148 -s 2212
        3⤵
        • Program crash
        PID:3312
    • C:\Users\Admin\AppData\Local\Temp\u318.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u318.1.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2832
      • 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:1668
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3932 -s 1164
      2⤵
      • Program crash
      PID:3728
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3932 -ip 3932
    1⤵
      PID:1168
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3148 -ip 3148
      1⤵
        PID:2396

      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

        0ff529ea894ae50392f7d63cc17a58a5

        SHA1

        bcd0c3e3d1dbd712c56a21b3161ccff6eb65cba5

        SHA256

        c787ff4757658683347f5bcb7389859dbcc61358b0aedfdcce0f6f319fca7cd8

        SHA512

        7bf7db8213a4924e083ed7c7c1cafe3b17b8ef80218c34518eb9aba04be76af9557f0188ff03f3c8dcdf53843bbf28e75b104caacee0bbdb273d6108d6db13cb

      • C:\Users\Admin\AppData\Local\Temp\u318.0.exe

        Filesize

        266KB

        MD5

        90a0c06e1263e06041273847eb153af6

        SHA1

        bce52648d68c64eaf2e4213f8d43d5b6f32c78d5

        SHA256

        99b0b508a7c79af7fa71aa025fa4c9c5cb7ca6b13e5f7a1d213f2ee2853f8789

        SHA512

        8d1ee4bd74fe35f6fd18d2cbdc7115aba197d5e883dc3123dfcc7582baf790b8221608fcff746795eaa481c13010247bfcae64d2ded14f08cca90e3b6a87349c

      • C:\Users\Admin\AppData\Local\Temp\u318.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/1668-150-0x000001B5FFB20000-0x000001B5FFB2E000-memory.dmp

        Filesize

        56KB

      • memory/1668-140-0x000001B5FFB50000-0x000001B5FFBA0000-memory.dmp

        Filesize

        320KB

      • memory/1668-160-0x000001B5FFBF0000-0x000001B5FFC0E000-memory.dmp

        Filesize

        120KB

      • memory/1668-159-0x000001B5FFCF0000-0x000001B5FFD66000-memory.dmp

        Filesize

        472KB

      • memory/1668-158-0x000001B59EB90000-0x000001B59EB9C000-memory.dmp

        Filesize

        48KB

      • memory/1668-155-0x000001B59F9F0000-0x000001B59FF18000-memory.dmp

        Filesize

        5.2MB

      • memory/1668-98-0x000001B5FBF20000-0x000001B5FF754000-memory.dmp

        Filesize

        56.2MB

      • memory/1668-153-0x000001B59F460000-0x000001B59F4C2000-memory.dmp

        Filesize

        392KB

      • memory/1668-154-0x000001B59EB70000-0x000001B59EB92000-memory.dmp

        Filesize

        136KB

      • memory/1668-132-0x000001B59A4F0000-0x000001B59A5FA000-memory.dmp

        Filesize

        1.0MB

      • memory/1668-133-0x000001B581940000-0x000001B581950000-memory.dmp

        Filesize

        64KB

      • memory/1668-134-0x000001B581960000-0x000001B58196C000-memory.dmp

        Filesize

        48KB

      • memory/1668-135-0x000001B581950000-0x000001B581964000-memory.dmp

        Filesize

        80KB

      • memory/1668-136-0x000001B59A2A0000-0x000001B59A2C4000-memory.dmp

        Filesize

        144KB

      • memory/1668-137-0x000001B59A2C0000-0x000001B59A2CA000-memory.dmp

        Filesize

        40KB

      • memory/1668-138-0x000001B59A300000-0x000001B59A3B2000-memory.dmp

        Filesize

        712KB

      • memory/1668-139-0x000001B59A750000-0x000001B59A77A000-memory.dmp

        Filesize

        168KB

      • memory/1668-152-0x000001B59EB60000-0x000001B59EB6A000-memory.dmp

        Filesize

        40KB

      • memory/1668-141-0x000001B5FFBA0000-0x000001B5FFBC2000-memory.dmp

        Filesize

        136KB

      • memory/1668-142-0x000001B581920000-0x000001B58192A000-memory.dmp

        Filesize

        40KB

      • memory/1668-146-0x000001B59A780000-0x000001B59AA80000-memory.dmp

        Filesize

        3.0MB

      • memory/1668-148-0x000001B5FFB10000-0x000001B5FFB18000-memory.dmp

        Filesize

        32KB

      • memory/1668-149-0x000001B5FFC30000-0x000001B5FFC68000-memory.dmp

        Filesize

        224KB

      • memory/1668-151-0x000001B5FFB30000-0x000001B5FFB38000-memory.dmp

        Filesize

        32KB

      • memory/2832-49-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/2832-94-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/3148-61-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/3148-58-0x0000000000400000-0x0000000002AFF000-memory.dmp

        Filesize

        39.0MB

      • memory/3148-161-0x0000000000400000-0x0000000002AFF000-memory.dmp

        Filesize

        39.0MB

      • memory/3148-168-0x0000000000400000-0x0000000002AFF000-memory.dmp

        Filesize

        39.0MB

      • memory/3932-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/3932-1-0x0000000002C70000-0x0000000002D70000-memory.dmp

        Filesize

        1024KB

      • memory/3932-28-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/3932-27-0x0000000000400000-0x0000000002B23000-memory.dmp

        Filesize

        39.1MB

      • memory/3932-2-0x0000000004870000-0x00000000048DC000-memory.dmp

        Filesize

        432KB