Resubmissions

21-09-2024 22:18

240921-18dcpsxbqc 10

21-09-2024 22:18

240921-179draxbph 10

21-09-2024 21:32

240921-1dpggsvflp 10

Analysis

  • max time kernel
    429s
  • max time network
    431s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-09-2024 22:18

General

  • Target

    66eef0cc8034a_sdgdfs.exe

  • Size

    216KB

  • MD5

    9a29528b1463ae389bd3e03e4e686a56

  • SHA1

    0cefb61f8615c6ed5606360db20adecdedf4c59c

  • SHA256

    a0add2ff01fd0b1c7a259a9b0f0bdee713a7edbbf12fa18820fc95a373254e3b

  • SHA512

    34743dd19630de9802258476e6c9aacd14b7338c9e1c22c0369e759844b3248570b272c7edbc89079fe5eb8f375c7e2680e71f88ab5b8a4c01ba4d7ef116f9ae

  • SSDEEP

    6144:mebX1UAoZZJAttlJ7VTUEioaTwfyhv3pVdPRigEO:mejOA0ZJutHNI106hfpRhEO

Malware Config

Extracted

Family

stealc

Botnet

default

C2

http://46.8.231.109

Attributes
  • url_path

    /c4754d4f680ead72.php

Extracted

Family

vidar

Version

11

Botnet

3a15237aa92dcd8ccca447211fb5fc2a

C2

https://steamcommunity.com/profiles/76561199780418869

https://t.me/ae5ed

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:130.0) Gecko/20100101 Firefox/130.0

Extracted

Family

lumma

C2

https://appleboltelwk.shop/api

Signatures

  • Detect Vidar Stealer 13 IoCs
  • Lumma Stealer, LummaC

    Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

  • 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
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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).

  • Program crash 2 IoCs
  • 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 58 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\66eef0cc8034a_sdgdfs.exe
    "C:\Users\Admin\AppData\Local\Temp\66eef0cc8034a_sdgdfs.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4260
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • Checks computer location settings
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4892
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\AdminBAEBFIIECB.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2468
        • C:\Users\AdminBAEBFIIECB.exe
          "C:\Users\AdminBAEBFIIECB.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1348
          • 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:1400
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 1400 -s 1376
              6⤵
              • Program crash
              PID:4460
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\AdminHDAFIIDAKJ.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3516
        • C:\Users\AdminHDAFIIDAKJ.exe
          "C:\Users\AdminHDAFIIDAKJ.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2528
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            5⤵
            • Checks computer location settings
            • Loads dropped DLL
            • System Location Discovery: System Language Discovery
            • Checks processor information in registry
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of WriteProcessMemory
            PID:3948
            • C:\ProgramData\KKFBAAFCGI.exe
              "C:\ProgramData\KKFBAAFCGI.exe"
              6⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1340
              • 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:2420
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 2420 -s 1356
                  8⤵
                  • Program crash
                  PID:4028
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\BFHDAEHDAKEC" & exit
              6⤵
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:3736
              • C:\Windows\SysWOW64\timeout.exe
                timeout /t 10
                7⤵
                • System Location Discovery: System Language Discovery
                • Delays execution with timeout.exe
                PID:2468
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1400 -ip 1400
    1⤵
      PID:1960
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2420 -ip 2420
      1⤵
        PID:4464

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\BFHDAEHDAKEC\AAEGHJ

        Filesize

        116KB

        MD5

        f70aa3fa04f0536280f872ad17973c3d

        SHA1

        50a7b889329a92de1b272d0ecf5fce87395d3123

        SHA256

        8d782aa65de6db3538a14da82216e96d5e0a3c60496726e3541a8165bccc65f8

        SHA512

        30675c5c610d9aa32a4c4a4d9c3af7570823cd197f8d2a709222c78e2cd15304bbed80e233e3674ec2f6e33d1961c67fd6a46dc8ba8b1a301cd0722932c03c84

      • C:\ProgramData\BFHDAEHDAKEC\AFIEGC

        Filesize

        114KB

        MD5

        e110cbe124e96c721e3839076f73aa99

        SHA1

        02c668c17c7fae5613073e9641bc9bcff96c65a0

        SHA256

        a793f3d212f395bfc8973231a22a6013c0e334443aa4172a8b5d611bb0f378a7

        SHA512

        8d91ff245f703e5dbee68085e9ca0de4b2fc044befcf79977f46bb8bfd908fa0e22ec0dd6a2b400e9ff447f888b550635ed82ebda18575d17b1f3d478a45f5dc

      • C:\ProgramData\BFHDAEHDAKEC\DAAAFB

        Filesize

        11KB

        MD5

        ad85b616aeefd1433ca2fd4e0b0abd2a

        SHA1

        4bbb2f127f82d0e833441285ab88ecb0b6472caf

        SHA256

        2142306e33671dcd4f50fd1cbb7a1dbda4f3fa748c83c5079a58ed578a9d2305

        SHA512

        0010454c1dc1d08f8c91950adbc8b287677ffbf74745c9b645173e45ed351964e87c75f823172a1cc9666fe840eaccaef089e0976379806cdd5f34c917d325a7

      • 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

      • C:\Users\AdminBAEBFIIECB.exe

        Filesize

        381KB

        MD5

        f5a1956973dce107d4c0b6267ce88870

        SHA1

        79a19513d7c9cff939f2881c4172a05dbaef735b

        SHA256

        7b794c5bdb820791f0359da90a9a4f258412b8feef9c6e6a0411f6aead9d3a04

        SHA512

        f42180c75c0ae8dc083c6fff98a66c0d875fadb400d7945816ea330a54777632a3a7752d3e78b90e45f58ed3d04d6708b1dcea51d82711356e6d14e405a7c579

      • C:\Users\AdminHDAFIIDAKJ.exe

        Filesize

        413KB

        MD5

        76b81bbaa929e92a0885267869e62fdf

        SHA1

        16ee3b53fd9d0fe6bd7fc75ac961a21bfd9fae51

        SHA256

        f59f82ea9cbaa95389bbec5f80b427daa2e575c2827eaaede006590810809f9c

        SHA512

        67d4fb8ed2c767871a307c54fddc86fa4df07ccfa943eeb61e6e8960c4038fb8a38118a69cbb7a6364dde6c11fd3139b8c5f91e029a437dad0d39202383ac3cd

      • memory/1348-103-0x0000000072CE0000-0x0000000073490000-memory.dmp

        Filesize

        7.7MB

      • memory/1348-105-0x0000000072CE0000-0x0000000073490000-memory.dmp

        Filesize

        7.7MB

      • memory/1348-92-0x0000000072CEE000-0x0000000072CEF000-memory.dmp

        Filesize

        4KB

      • memory/1348-93-0x0000000000860000-0x00000000008C0000-memory.dmp

        Filesize

        384KB

      • memory/1348-94-0x0000000072CE0000-0x0000000073490000-memory.dmp

        Filesize

        7.7MB

      • memory/1400-104-0x0000000000400000-0x0000000000464000-memory.dmp

        Filesize

        400KB

      • memory/1400-97-0x0000000000400000-0x0000000000464000-memory.dmp

        Filesize

        400KB

      • memory/1400-100-0x0000000000400000-0x0000000000464000-memory.dmp

        Filesize

        400KB

      • memory/1400-130-0x0000000000400000-0x0000000000464000-memory.dmp

        Filesize

        400KB

      • memory/2420-225-0x0000000000400000-0x0000000000464000-memory.dmp

        Filesize

        400KB

      • memory/2528-112-0x0000000000090000-0x00000000000F8000-memory.dmp

        Filesize

        416KB

      • memory/3948-148-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/3948-165-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/3948-116-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/3948-121-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/3948-120-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/3948-204-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/3948-131-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/3948-132-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/3948-133-0x0000000021DD0000-0x000000002202F000-memory.dmp

        Filesize

        2.4MB

      • memory/3948-147-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/3948-203-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/3948-196-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/3948-164-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/3948-195-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/4260-11-0x0000000074B40000-0x00000000752F0000-memory.dmp

        Filesize

        7.7MB

      • memory/4260-7-0x0000000074B40000-0x00000000752F0000-memory.dmp

        Filesize

        7.7MB

      • memory/4260-0-0x0000000074B4E000-0x0000000074B4F000-memory.dmp

        Filesize

        4KB

      • memory/4260-2-0x0000000074B40000-0x00000000752F0000-memory.dmp

        Filesize

        7.7MB

      • memory/4260-1-0x0000000000A20000-0x0000000000A58000-memory.dmp

        Filesize

        224KB

      • memory/4892-10-0x0000000000400000-0x0000000000643000-memory.dmp

        Filesize

        2.3MB

      • memory/4892-12-0x0000000000400000-0x0000000000643000-memory.dmp

        Filesize

        2.3MB

      • memory/4892-5-0x0000000000400000-0x0000000000643000-memory.dmp

        Filesize

        2.3MB

      • memory/4892-113-0x0000000000400000-0x0000000000643000-memory.dmp

        Filesize

        2.3MB

      • memory/4892-13-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/4892-85-0x0000000000400000-0x0000000000643000-memory.dmp

        Filesize

        2.3MB