Analysis

  • max time kernel
    196s
  • max time network
    299s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    23-09-2024 05:08

General

  • Target

    a0add2ff01fd0b1c7a259a9b0f0bdee713a7edbbf12fa18820fc95a373254e3b.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

Signatures

  • Detect Vidar Stealer 11 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 14 IoCs
  • Suspicious use of WriteProcessMemory 61 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a0add2ff01fd0b1c7a259a9b0f0bdee713a7edbbf12fa18820fc95a373254e3b.exe
    "C:\Users\Admin\AppData\Local\Temp\a0add2ff01fd0b1c7a259a9b0f0bdee713a7edbbf12fa18820fc95a373254e3b.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3368
    • 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:3180
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\AdminGDHIEHJEBA.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2684
        • C:\Users\AdminGDHIEHJEBA.exe
          "C:\Users\AdminGDHIEHJEBA.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2920
          • 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:4840
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\AdminAKJEGCFBGD.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3960
        • C:\Users\AdminAKJEGCFBGD.exe
          "C:\Users\AdminAKJEGCFBGD.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4864
          • 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:4232
            • C:\ProgramData\IECGHJKKJD.exe
              "C:\ProgramData\IECGHJKKJD.exe"
              6⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2140
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                7⤵
                  PID:1996
                • 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:1756
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\DGDBAKKJKKEC" & exit
                6⤵
                • System Location Discovery: System Language Discovery
                • Suspicious use of WriteProcessMemory
                PID:2448
                • C:\Windows\SysWOW64\timeout.exe
                  timeout /t 10
                  7⤵
                  • System Location Discovery: System Language Discovery
                  • Delays execution with timeout.exe
                  PID:2564

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\ProgramData\DGDBAKKJKKEC\AKJDGI

      Filesize

      92KB

      MD5

      3daad470df391b2f80f1355a73f49b47

      SHA1

      fd3d71f1d5bcca2c56518cdb061fc1e0a2465dec

      SHA256

      a0732dc29331aee2809c08b9dd1bbddcfd6badc2b90a932b1e5c220d573e7b08

      SHA512

      a03c5c17710c1ecafebca8b3066db41e1d682a619162da61d12f7f84c8ead35b49b6f390a473e23c41baff6072ffc6000a52345d5a1f73371b8711f470216b6a

    • C:\ProgramData\DGDBAKKJKKEC\GHJDBA

      Filesize

      6KB

      MD5

      193a915cb8e193375999246aa1ef2f73

      SHA1

      d44d4e591a0f3acf80b49a7ed1980e9eac3f1046

      SHA256

      3f86b778064633671ef555c5812ab5783dc0dae45b0158d0c82f38c6af1f3abe

      SHA512

      83c91f342dc2e146359999fcf7b9bc4558ab829532736167593dc39b0a736c11dc7f3be8c3fa4930e075fbc4d5ce1b66420f757c99c1e828e85f6c73f611997f

    • C:\ProgramData\freebl3.dll

      Filesize

      669KB

      MD5

      550686c0ee48c386dfcb40199bd076ac

      SHA1

      ee5134da4d3efcb466081fb6197be5e12a5b22ab

      SHA256

      edd043f2005dbd5902fc421eabb9472a7266950c5cbaca34e2d590b17d12f5fa

      SHA512

      0b7f47af883b99f9fbdc08020446b58f2f3fa55292fd9bc78fc967dd35bdd8bd549802722de37668cc89ede61b20359190efbfdf026ae2bdc854f4740a54649e

    • C:\ProgramData\msvcp140.dll

      Filesize

      439KB

      MD5

      5ff1fca37c466d6723ec67be93b51442

      SHA1

      34cc4e158092083b13d67d6d2bc9e57b798a303b

      SHA256

      5136a49a682ac8d7f1ce71b211de8688fce42ed57210af087a8e2dbc8a934062

      SHA512

      4802ef62630c521d83a1d333969593fb00c9b38f82b4d07f70fbd21f495fea9b3f67676064573d2c71c42bc6f701992989742213501b16087bb6110e337c7546

    • 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\AdminAKJEGCFBGD.exe

      Filesize

      413KB

      MD5

      76b81bbaa929e92a0885267869e62fdf

      SHA1

      16ee3b53fd9d0fe6bd7fc75ac961a21bfd9fae51

      SHA256

      f59f82ea9cbaa95389bbec5f80b427daa2e575c2827eaaede006590810809f9c

      SHA512

      67d4fb8ed2c767871a307c54fddc86fa4df07ccfa943eeb61e6e8960c4038fb8a38118a69cbb7a6364dde6c11fd3139b8c5f91e029a437dad0d39202383ac3cd

    • C:\Users\AdminGDHIEHJEBA.exe

      Filesize

      381KB

      MD5

      f5a1956973dce107d4c0b6267ce88870

      SHA1

      79a19513d7c9cff939f2881c4172a05dbaef735b

      SHA256

      7b794c5bdb820791f0359da90a9a4f258412b8feef9c6e6a0411f6aead9d3a04

      SHA512

      f42180c75c0ae8dc083c6fff98a66c0d875fadb400d7945816ea330a54777632a3a7752d3e78b90e45f58ed3d04d6708b1dcea51d82711356e6d14e405a7c579

    • \ProgramData\mozglue.dll

      Filesize

      593KB

      MD5

      c8fd9be83bc728cc04beffafc2907fe9

      SHA1

      95ab9f701e0024cedfbd312bcfe4e726744c4f2e

      SHA256

      ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

      SHA512

      fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

    • \ProgramData\nss3.dll

      Filesize

      2.0MB

      MD5

      1cc453cdf74f31e4d913ff9c10acdde2

      SHA1

      6e85eae544d6e965f15fa5c39700fa7202f3aafe

      SHA256

      ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

      SHA512

      dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

    • memory/2920-99-0x0000000072EB0000-0x000000007359E000-memory.dmp

      Filesize

      6.9MB

    • memory/2920-81-0x00000000001C0000-0x0000000000220000-memory.dmp

      Filesize

      384KB

    • memory/2920-82-0x0000000072EBE000-0x0000000072EBF000-memory.dmp

      Filesize

      4KB

    • memory/2920-83-0x0000000072EB0000-0x000000007359E000-memory.dmp

      Filesize

      6.9MB

    • memory/3180-11-0x0000000000400000-0x0000000000643000-memory.dmp

      Filesize

      2.3MB

    • memory/3180-9-0x0000000000400000-0x0000000000643000-memory.dmp

      Filesize

      2.3MB

    • memory/3180-100-0x0000000000400000-0x0000000000643000-memory.dmp

      Filesize

      2.3MB

    • memory/3180-13-0x0000000061E00000-0x0000000061EF3000-memory.dmp

      Filesize

      972KB

    • memory/3180-5-0x0000000000400000-0x0000000000643000-memory.dmp

      Filesize

      2.3MB

    • memory/3368-2-0x0000000073C70000-0x000000007435E000-memory.dmp

      Filesize

      6.9MB

    • memory/3368-0-0x0000000073C7E000-0x0000000073C7F000-memory.dmp

      Filesize

      4KB

    • memory/3368-1-0x0000000000B50000-0x0000000000B88000-memory.dmp

      Filesize

      224KB

    • memory/3368-7-0x0000000073C70000-0x000000007435E000-memory.dmp

      Filesize

      6.9MB

    • memory/3368-12-0x0000000073C70000-0x000000007435E000-memory.dmp

      Filesize

      6.9MB

    • memory/4232-119-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/4232-103-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/4232-120-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/4232-122-0x0000000022870000-0x0000000022ACF000-memory.dmp

      Filesize

      2.4MB

    • memory/4232-131-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/4232-107-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/4232-132-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/4232-106-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/4232-175-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/4232-174-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/4232-164-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/4232-163-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/4840-97-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

    • memory/4840-96-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

    • memory/4840-93-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

    • memory/4864-92-0x0000000000730000-0x0000000000798000-memory.dmp

      Filesize

      416KB