Analysis

  • max time kernel
    91s
  • max time network
    136s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    22-08-2024 10:52

General

  • Target

    65356ac76d8f957aae149b790e52305ea0b285fe157a1e438c4500abc9bb810a.exe

  • Size

    217KB

  • MD5

    65db2eb88c0efcfc9f58d8d7b47320a0

  • SHA1

    f55df2d7ad79f6ac232cb1734c37ff97184f22fb

  • SHA256

    65356ac76d8f957aae149b790e52305ea0b285fe157a1e438c4500abc9bb810a

  • SHA512

    b1117b8145b9496c5e98b0ed5ab368bd8109f199ddbf5aceca0bcab2c27a8a5212f1c04bb0e066bf20d56ed1f16e50273b1e18ebcf2b6aa9fb124620e9bb6e32

  • SSDEEP

    3072:FUcJWOKIpK3eTm+o21xroGhtypsch2wJYPPEV5g9Mo5yurTisSWWqwdASPF1CoIu:wqpcejo21doGssckZKsZQKTdyu0TCqEO

Malware Config

Extracted

Family

stealc

Botnet

default

C2

http://46.8.231.109

Attributes
  • url_path

    /c4754d4f680ead72.php

Extracted

Family

vidar

Version

10.8

Botnet

dbd9cbe5987c13eba51899f4a06d17a4

C2

https://t.me/jamelwt

https://steamcommunity.com/profiles/76561199761128941

https://t.me/iyigunl

Attributes
  • user_agent

    Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Signatures

  • Detect Vidar Stealer 13 IoCs
  • Stealc

    Stealc is an infostealer written in C++.

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Downloads MZ/PE file
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 4 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.

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • 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.

  • Suspicious use of SetThreadContext 4 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 12 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 4 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\65356ac76d8f957aae149b790e52305ea0b285fe157a1e438c4500abc9bb810a.exe
    "C:\Users\Admin\AppData\Local\Temp\65356ac76d8f957aae149b790e52305ea0b285fe157a1e438c4500abc9bb810a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1844
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:4328
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        2⤵
          PID:4944
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          2⤵
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:5044
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe" /c start "" "C:\ProgramData\IDAAFBGDBK.exe"
            3⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:4776
            • C:\ProgramData\IDAAFBGDBK.exe
              "C:\ProgramData\IDAAFBGDBK.exe"
              4⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:4920
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                5⤵
                • System Location Discovery: System Language Discovery
                PID:1976
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe" /c start "" "C:\ProgramData\FHCAFIDBKE.exe"
            3⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:3484
            • C:\ProgramData\FHCAFIDBKE.exe
              "C:\ProgramData\FHCAFIDBKE.exe"
              4⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2316
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                5⤵
                • Loads dropped DLL
                • System Location Discovery: System Language Discovery
                • Checks processor information in registry
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of WriteProcessMemory
                PID:3144
                • C:\ProgramData\IIEBKJECFC.exe
                  "C:\ProgramData\IIEBKJECFC.exe"
                  6⤵
                  • Executes dropped EXE
                  • Suspicious use of SetThreadContext
                  • System Location Discovery: System Language Discovery
                  • Suspicious use of WriteProcessMemory
                  PID:4688
                  • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                    7⤵
                    • System Location Discovery: System Language Discovery
                    PID:4868
                • C:\Windows\SysWOW64\cmd.exe
                  "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\BKECAEBGHDAE" & exit
                  6⤵
                  • System Location Discovery: System Language Discovery
                  • Suspicious use of WriteProcessMemory
                  PID:2164
                  • C:\Windows\SysWOW64\timeout.exe
                    timeout /t 10
                    7⤵
                    • System Location Discovery: System Language Discovery
                    • Delays execution with timeout.exe
                    PID:920

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\ProgramData\BKECAEBGHDAE\AFCBFI

        Filesize

        112KB

        MD5

        87210e9e528a4ddb09c6b671937c79c6

        SHA1

        3c75314714619f5b55e25769e0985d497f0062f2

        SHA256

        eeb23424586eb7bc62b51b19f1719c6571b71b167f4d63f25984b7f5c5436db1

        SHA512

        f8cb8098dc8d478854cddddeac3396bc7b602c4d0449491ecacea7b9106672f36b55b377c724dc6881bee407c6b6c5c3352495ed4b852dd578aa3643a43e37c0

      • C:\ProgramData\BKECAEBGHDAE\CBAFID

        Filesize

        114KB

        MD5

        8fd0d4d921529f90e6d9cf62bc44ac9f

        SHA1

        9fe0dd1b7ef2c9b53002fcd0566ba30a456f0a18

        SHA256

        15e476add372f7ec56b514354e10f3b824f42eca23705f550cc4de49d3016bda

        SHA512

        a6869c6e20ca12a139afdfe96af667031650ebbca62fbf6ac01edf8b94e78ba1eb893e0f618742a7639bae1c5bea100d94afa26d2df33a8af6fc64d8814f152a

      • C:\ProgramData\BKECAEBGHDAE\EHDBGD

        Filesize

        10KB

        MD5

        9ddc5b0e80793a6882b14645836fe336

        SHA1

        9f4c8311575c14671ff04029a31b7f1bcde6afc1

        SHA256

        3c235ce41d45cf2243520c7cdefe246880752bce15e0316fa88a1da947c3b38e

        SHA512

        21fc281b4cdd803394f46a334a14a13e78862f92557f93cee284d13d0c800fbf1fa5c83d681878bfba1bfae5a32fe08e75e165a7b095169eeec2bdc8ab871e4d

      • C:\ProgramData\FHCAFIDBKE.exe

        Filesize

        201KB

        MD5

        740d1b3b0a1bac3fe2921d970a3b0580

        SHA1

        509240573e0d89ec0e21b00ec49e992e4d49a3bb

        SHA256

        e0ae11b63cd334951c8acc14fe12a756de3eab3dfaa1f648a5443f07d0381f9a

        SHA512

        b8dd6e97c4f683d2222c46713abb489960671eb741d65cfa2a2bdb092939d6a45a5ae2e848e31328d610c4e66c78366ee429c5820816b0118ea4161b0de743fd

      • C:\ProgramData\IDAAFBGDBK.exe

        Filesize

        288KB

        MD5

        aa9d133247a4484f9cb9afd482789229

        SHA1

        6b149f82918bca4f1fd43bf630566a14872b23f9

        SHA256

        4195f3692d9d8a45d39993e15b454b893451224a1f08452ca7e3fc42ec340373

        SHA512

        3ce3405280c6e9230851ee9384b3a89c47e3e886cdb36184b805388029286fc02594e32517369dc6f3c92425c5d4aeb5a5af3829dc606b3fae9745a69ec411e3

      • C:\ProgramData\freebl3.dll

        Filesize

        669KB

        MD5

        550686c0ee48c386dfcb40199bd076ac

        SHA1

        ee5134da4d3efcb466081fb6197be5e12a5b22ab

        SHA256

        edd043f2005dbd5902fc421eabb9472a7266950c5cbaca34e2d590b17d12f5fa

        SHA512

        0b7f47af883b99f9fbdc08020446b58f2f3fa55292fd9bc78fc967dd35bdd8bd549802722de37668cc89ede61b20359190efbfdf026ae2bdc854f4740a54649e

      • C:\ProgramData\mozglue.dll

        Filesize

        593KB

        MD5

        c8fd9be83bc728cc04beffafc2907fe9

        SHA1

        95ab9f701e0024cedfbd312bcfe4e726744c4f2e

        SHA256

        ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

        SHA512

        fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

      • C:\ProgramData\msvcp140.dll

        Filesize

        439KB

        MD5

        5ff1fca37c466d6723ec67be93b51442

        SHA1

        34cc4e158092083b13d67d6d2bc9e57b798a303b

        SHA256

        5136a49a682ac8d7f1ce71b211de8688fce42ed57210af087a8e2dbc8a934062

        SHA512

        4802ef62630c521d83a1d333969593fb00c9b38f82b4d07f70fbd21f495fea9b3f67676064573d2c71c42bc6f701992989742213501b16087bb6110e337c7546

      • C:\ProgramData\nss3.dll

        Filesize

        2.0MB

        MD5

        1cc453cdf74f31e4d913ff9c10acdde2

        SHA1

        6e85eae544d6e965f15fa5c39700fa7202f3aafe

        SHA256

        ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

        SHA512

        dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

      • C:\ProgramData\softokn3.dll

        Filesize

        251KB

        MD5

        4e52d739c324db8225bd9ab2695f262f

        SHA1

        71c3da43dc5a0d2a1941e874a6d015a071783889

        SHA256

        74ebbac956e519e16923abdc5ab8912098a4f64e38ddcb2eae23969f306afe5a

        SHA512

        2d4168a69082a9192b9248f7331bd806c260478ff817567df54f997d7c3c7d640776131355401e4bdb9744e246c36d658cb24b18de67d8f23f10066e5fe445f6

      • C:\ProgramData\vcruntime140.dll

        Filesize

        78KB

        MD5

        a37ee36b536409056a86f50e67777dd7

        SHA1

        1cafa159292aa736fc595fc04e16325b27cd6750

        SHA256

        8934aaeb65b6e6d253dfe72dea5d65856bd871e989d5d3a2a35edfe867bb4825

        SHA512

        3a7c260646315cf8c01f44b2ec60974017496bd0d80dd055c7e43b707cadba2d63aab5e0efd435670aa77886ed86368390d42c4017fc433c3c4b9d1c47d0f356

      • memory/1844-84-0x00000000749C0000-0x0000000075171000-memory.dmp

        Filesize

        7.7MB

      • memory/1844-7-0x00000000749C0000-0x0000000075171000-memory.dmp

        Filesize

        7.7MB

      • memory/1844-0-0x00000000749CE000-0x00000000749CF000-memory.dmp

        Filesize

        4KB

      • memory/1844-1-0x00000000005B0000-0x00000000005E8000-memory.dmp

        Filesize

        224KB

      • memory/1976-91-0x0000000000400000-0x000000000044C000-memory.dmp

        Filesize

        304KB

      • memory/1976-93-0x0000000000400000-0x000000000044C000-memory.dmp

        Filesize

        304KB

      • memory/1976-97-0x0000000000400000-0x000000000044C000-memory.dmp

        Filesize

        304KB

      • memory/2316-104-0x00000000007B0000-0x00000000007E4000-memory.dmp

        Filesize

        208KB

      • memory/3144-107-0x0000000000400000-0x0000000000641000-memory.dmp

        Filesize

        2.3MB

      • memory/3144-143-0x0000000000400000-0x0000000000641000-memory.dmp

        Filesize

        2.3MB

      • memory/3144-106-0x0000000000400000-0x0000000000641000-memory.dmp

        Filesize

        2.3MB

      • memory/3144-109-0x0000000000400000-0x0000000000641000-memory.dmp

        Filesize

        2.3MB

      • memory/3144-206-0x0000000000400000-0x0000000000641000-memory.dmp

        Filesize

        2.3MB

      • memory/3144-125-0x0000000000400000-0x0000000000641000-memory.dmp

        Filesize

        2.3MB

      • memory/3144-126-0x0000000000400000-0x0000000000641000-memory.dmp

        Filesize

        2.3MB

      • memory/3144-128-0x00000000224B0000-0x000000002270F000-memory.dmp

        Filesize

        2.4MB

      • memory/3144-142-0x0000000000400000-0x0000000000641000-memory.dmp

        Filesize

        2.3MB

      • memory/3144-159-0x0000000000400000-0x0000000000641000-memory.dmp

        Filesize

        2.3MB

      • memory/3144-205-0x0000000000400000-0x0000000000641000-memory.dmp

        Filesize

        2.3MB

      • memory/3144-198-0x0000000000400000-0x0000000000641000-memory.dmp

        Filesize

        2.3MB

      • memory/3144-197-0x0000000000400000-0x0000000000641000-memory.dmp

        Filesize

        2.3MB

      • memory/3144-161-0x0000000000400000-0x0000000000641000-memory.dmp

        Filesize

        2.3MB

      • memory/4920-89-0x000000007262E000-0x000000007262F000-memory.dmp

        Filesize

        4KB

      • memory/4920-88-0x0000000000A10000-0x0000000000A5A000-memory.dmp

        Filesize

        296KB

      • memory/4920-160-0x0000000072620000-0x0000000072DD1000-memory.dmp

        Filesize

        7.7MB

      • memory/4920-96-0x0000000072620000-0x0000000072DD1000-memory.dmp

        Filesize

        7.7MB

      • memory/5044-9-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/5044-8-0x0000000000400000-0x0000000000643000-memory.dmp

        Filesize

        2.3MB

      • memory/5044-5-0x0000000000400000-0x0000000000643000-memory.dmp

        Filesize

        2.3MB

      • memory/5044-4-0x0000000000400000-0x0000000000643000-memory.dmp

        Filesize

        2.3MB

      • memory/5044-94-0x0000000000400000-0x0000000000643000-memory.dmp

        Filesize

        2.3MB

      • memory/5044-113-0x0000000000400000-0x0000000000643000-memory.dmp

        Filesize

        2.3MB