Analysis

  • max time kernel
    149s
  • max time network
    143s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240419-en
  • resource tags

    arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    06-05-2024 19:45

General

  • Target

    c3e6cfc24f970ef4f196cfb66f5127242a273b1aff7c8bd283d647c8fe56e8ca.exe

  • Size

    415KB

  • MD5

    dd7b85fa868acf5fa5e1758f074868c2

  • SHA1

    5a950c34b9375c44be7235f7310d891301fbdcd5

  • SHA256

    c3e6cfc24f970ef4f196cfb66f5127242a273b1aff7c8bd283d647c8fe56e8ca

  • SHA512

    a5c24685b44f67eb1c2de108d18183acf82df3d9bfe2b2678af6a451b8af8d68cc58b305279aa0e7b3170cba860da23fd2133ebed38a66b8430fe2bc5e796aab

  • SSDEEP

    6144:P50SXOdGHuDgJrhcqwNlpOE7oXLp3FkOfU49bCs7LrkA8:qSXOdvDIXY7O9X13FknszkA8

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\c3e6cfc24f970ef4f196cfb66f5127242a273b1aff7c8bd283d647c8fe56e8ca.exe
    "C:\Users\Admin\AppData\Local\Temp\c3e6cfc24f970ef4f196cfb66f5127242a273b1aff7c8bd283d647c8fe56e8ca.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3712
    • C:\Users\Admin\AppData\Local\Temp\u2v4.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u2v4.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:4668
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4668 -s 2460
        3⤵
        • Program crash
        PID:2868
    • C:\Users\Admin\AppData\Local\Temp\u2v4.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u2v4.1.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:732
      • 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:3448
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3712 -s 1536
      2⤵
      • Program crash
      PID:3064
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3712 -ip 3712
    1⤵
      PID:1120
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4668 -ip 4668
      1⤵
        PID:2540

      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

        5d887c346b5ce936cd2b46d2dd07d794

        SHA1

        5cbccb998b3c59adf820a84c4f868ef6f9e80fe8

        SHA256

        ff6394f5fb7e080589b1a96d157cace10f9f27ac7d3728c7eab54485e6284c76

        SHA512

        1f8c8ab3672359a3fd92fcfc2895b1a2ae053bea7c131f9fb6c8e53db60d16acfca955c31bd3fefe0018de5eabf7cc8f064063e66de3414da41cdfa6ed2c2215

      • C:\Users\Admin\AppData\Local\Temp\u2v4.0.exe

        Filesize

        281KB

        MD5

        1d04ff520d8adc764737cf309ebdb6af

        SHA1

        2925972bd8d43c24cdedff8542e0734765ea9fe8

        SHA256

        b9a9e7af93e1bfe5405f6eece72fd71f81c5d946c7d964a0eb66a22342e0dd70

        SHA512

        98d5243bbd749a65acbf4f9b7caa86a71d3dc11f34bd42b49bb56e3694dec606ada877aad51fc6597d5b59cd66e2926b0d2afad428049ab3e66d38d4445533ba

      • C:\Users\Admin\AppData\Local\Temp\u2v4.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/732-104-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/732-101-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/732-90-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/3448-127-0x0000021C44EC0000-0x0000021C44EE2000-memory.dmp

        Filesize

        136KB

      • memory/3448-113-0x0000021C402F0000-0x0000021C4031A000-memory.dmp

        Filesize

        168KB

      • memory/3448-137-0x0000021C3FD80000-0x0000021C3FF33000-memory.dmp

        Filesize

        1.7MB

      • memory/3448-134-0x0000021C44FB0000-0x0000021C44FCE000-memory.dmp

        Filesize

        120KB

      • memory/3448-133-0x0000021C44F80000-0x0000021C44FA2000-memory.dmp

        Filesize

        136KB

      • memory/3448-131-0x0000021C44F30000-0x0000021C44F80000-memory.dmp

        Filesize

        320KB

      • memory/3448-132-0x0000021C44EE0000-0x0000021C44EEC000-memory.dmp

        Filesize

        48KB

      • memory/3448-128-0x0000021C45680000-0x0000021C45BA8000-memory.dmp

        Filesize

        5.2MB

      • memory/3448-126-0x0000021C45140000-0x0000021C4514A000-memory.dmp

        Filesize

        40KB

      • memory/3448-105-0x0000021C21CF0000-0x0000021C255E8000-memory.dmp

        Filesize

        57.0MB

      • memory/3448-106-0x0000021C3FF40000-0x0000021C40050000-memory.dmp

        Filesize

        1.1MB

      • memory/3448-108-0x0000021C3FBE0000-0x0000021C3FBEC000-memory.dmp

        Filesize

        48KB

      • memory/3448-107-0x0000021C3FBC0000-0x0000021C3FBD0000-memory.dmp

        Filesize

        64KB

      • memory/3448-109-0x0000021C3FBD0000-0x0000021C3FBE4000-memory.dmp

        Filesize

        80KB

      • memory/3448-110-0x0000021C3FC40000-0x0000021C3FC64000-memory.dmp

        Filesize

        144KB

      • memory/3448-111-0x0000021C3FC70000-0x0000021C3FC7A000-memory.dmp

        Filesize

        40KB

      • memory/3448-112-0x0000021C40240000-0x0000021C402F2000-memory.dmp

        Filesize

        712KB

      • memory/3448-114-0x0000021C40060000-0x0000021C400DA000-memory.dmp

        Filesize

        488KB

      • memory/3448-115-0x0000021C40320000-0x0000021C40382000-memory.dmp

        Filesize

        392KB

      • memory/3448-124-0x0000021C44820000-0x0000021C44858000-memory.dmp

        Filesize

        224KB

      • memory/3448-116-0x0000021C40400000-0x0000021C40476000-memory.dmp

        Filesize

        472KB

      • memory/3448-117-0x0000021C273C0000-0x0000021C273CA000-memory.dmp

        Filesize

        40KB

      • memory/3448-121-0x0000021C40480000-0x0000021C40780000-memory.dmp

        Filesize

        3.0MB

      • memory/3448-123-0x0000021C44EA0000-0x0000021C44EA8000-memory.dmp

        Filesize

        32KB

      • memory/3448-125-0x0000021C447F0000-0x0000021C447FE000-memory.dmp

        Filesize

        56KB

      • memory/3712-68-0x0000000000400000-0x0000000001A32000-memory.dmp

        Filesize

        22.2MB

      • memory/3712-53-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/3712-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/3712-15-0x0000000000400000-0x0000000001A32000-memory.dmp

        Filesize

        22.2MB

      • memory/3712-69-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/3712-2-0x0000000001CD0000-0x0000000001D3C000-memory.dmp

        Filesize

        432KB

      • memory/3712-1-0x0000000001D60000-0x0000000001E60000-memory.dmp

        Filesize

        1024KB

      • memory/3712-52-0x0000000001D60000-0x0000000001E60000-memory.dmp

        Filesize

        1024KB

      • memory/4668-16-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/4668-145-0x0000000000400000-0x0000000001A10000-memory.dmp

        Filesize

        22.1MB

      • memory/4668-13-0x0000000000400000-0x0000000001A10000-memory.dmp

        Filesize

        22.1MB

      • memory/4668-14-0x0000000000400000-0x0000000001A10000-memory.dmp

        Filesize

        22.1MB

      • memory/4668-180-0x0000000000400000-0x0000000001A10000-memory.dmp

        Filesize

        22.1MB

      • memory/4668-49-0x0000000000400000-0x0000000001A10000-memory.dmp

        Filesize

        22.1MB

      • memory/4668-192-0x0000000000400000-0x0000000001A10000-memory.dmp

        Filesize

        22.1MB