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Analysis

  • max time kernel
    599s
  • max time network
    601s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-08-2024 17:42

General

  • Target

    66bddfcb52736_vidar.exe

  • Size

    190KB

  • MD5

    fedb687ed23f77925b35623027f799bb

  • SHA1

    7f27d0290ecc2c81bf2b2d0fa1026f54fd687c81

  • SHA256

    325396d5ffca8546730b9a56c2d0ed99238d48b5e1c3c49e7d027505ea13b8d1

  • SHA512

    6d1fa39560f4d7ca57905bc57d615acf96b1ef69ca2a4d7c0353278e8d4466298ed87f514463c49d671cb0e3b6a269a78636a10a1e463dba5c83fe067dc5df18

  • SSDEEP

    3072:XqsEJybpRHuJKKBardRei4UGvI96/ZO6RAkeOCeP9sZy28se:XqsMyNRHuKikUi42KZO6PffmZy2d

Malware Config

Extracted

Family

vidar

C2

https://steamcommunity.com/profiles/76561199751190313

https://t.me/pech0nk

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

Extracted

Family

lumma

C2

https://consciousourwi.shop/api

https://potentioallykeos.shop/api

https://interactiedovspm.shop/api

https://charecteristicdxp.shop/api

https://cagedwifedsozm.shop/api

https://deicedosmzj.shop/api

https://southedhiscuso.shop/api

https://weiggheticulop.shop/api

https://tenntysjuxmz.shop/api

Signatures

  • Detect Vidar Stealer 22 IoCs
  • Lumma Stealer, LummaC

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

  • 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 1 IoCs

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

  • 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.

  • 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 3 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 8 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 30 IoCs
  • Suspicious use of WriteProcessMemory 44 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\66bddfcb52736_vidar.exe
    "C:\Users\Admin\AppData\Local\Temp\66bddfcb52736_vidar.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4528
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:3956
      • 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:1380
        • C:\ProgramData\IEHJJECBKK.exe
          "C:\ProgramData\IEHJJECBKK.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3988
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            4⤵
            • System Location Discovery: System Language Discovery
            • Checks processor information in registry
            • Suspicious behavior: EnumeratesProcesses
            PID:4628
        • C:\ProgramData\JEHDHIEGII.exe
          "C:\ProgramData\JEHDHIEGII.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:5068
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:3080
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\GCGHIIDHCGHC" & exit
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4876
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 10
            4⤵
            • System Location Discovery: System Language Discovery
            • Delays execution with timeout.exe
            PID:2952
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4120,i,1729213506309163284,12809566808978835441,262144 --variations-seed-version --mojo-platform-channel-handle=4464 /prefetch:8
      1⤵
        PID:2800
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --field-trial-handle=2980,i,1729213506309163284,12809566808978835441,262144 --variations-seed-version --mojo-platform-channel-handle=2324 /prefetch:3
        1⤵
          PID:1600
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4172,i,1729213506309163284,12809566808978835441,262144 --variations-seed-version --mojo-platform-channel-handle=1408 /prefetch:8
          1⤵
            PID:4552

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\ProgramData\BFBAAFHDHCBG\CAAEBF

            Filesize

            160KB

            MD5

            f310cf1ff562ae14449e0167a3e1fe46

            SHA1

            85c58afa9049467031c6c2b17f5c12ca73bb2788

            SHA256

            e187946249cd390a3c1cf5d4e3b0d8f554f9acdc416bf4e7111fff217bb08855

            SHA512

            1196371de08c964268c44103ccaed530bda6a145df98e0f480d8ee5ad58cb6fb33ca4c9195a52181fe864726dcf52e6a7a466d693af0cda43400a3a7ef125fad

          • C:\ProgramData\BFBAAFHDHCBG\JEHDHI

            Filesize

            114KB

            MD5

            6e389da3969c19b6dbfb95013149bbb5

            SHA1

            f02ff8f1f1b353e36e4f609d39815c17eba8cee3

            SHA256

            4928d3109995b2faee203bc67184c892e9633fc7df6ad619f5852cf680c36ed4

            SHA512

            af965dc6aa1c26442f883e2d916509bc7766b425768e6a482223fdd1d3a5133c3b1955ad91bd578c387cc260efee4f738095d8ed7bafb7ed953edcc948313636

          • C:\ProgramData\IEHJJECBKK.exe

            Filesize

            190KB

            MD5

            fedb687ed23f77925b35623027f799bb

            SHA1

            7f27d0290ecc2c81bf2b2d0fa1026f54fd687c81

            SHA256

            325396d5ffca8546730b9a56c2d0ed99238d48b5e1c3c49e7d027505ea13b8d1

            SHA512

            6d1fa39560f4d7ca57905bc57d615acf96b1ef69ca2a4d7c0353278e8d4466298ed87f514463c49d671cb0e3b6a269a78636a10a1e463dba5c83fe067dc5df18

          • C:\ProgramData\JEHDHIEGII.exe

            Filesize

            276KB

            MD5

            a2fb40daa2aae2b589e7338057471282

            SHA1

            8b10a7281f347aa862f365b5bca41c87a8be472c

            SHA256

            409f89268972ae1bff240cc395cc31a3b3876b96f4d6e56fcc5fef74001fcf27

            SHA512

            48daa8f783b24451082c4c339e9f3f704037f89632b55ebf3b6d5b13a85f077785a8ff60f5d35eed8e03fc90543ec5df1b3a1e0dcdf60b7de5a0dc704ffac22a

          • 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\Microsoft\Edge\User Data\Default\Network\SCT Auditing Pending Reports

            Filesize

            2B

            MD5

            d751713988987e9331980363e24189ce

            SHA1

            97d170e1550eee4afc0af065b78cda302a97674c

            SHA256

            4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945

            SHA512

            b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af

          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\Sdch Dictionaries

            Filesize

            40B

            MD5

            20d4b8fa017a12a108c87f540836e250

            SHA1

            1ac617fac131262b6d3ce1f52f5907e31d5f6f00

            SHA256

            6028bd681dbf11a0a58dde8a0cd884115c04caa59d080ba51bde1b086ce0079d

            SHA512

            507b2b8a8a168ff8f2bdafa5d9d341c44501a5f17d9f63f3d43bd586bc9e8ae33221887869fa86f845b7d067cb7d2a7009efd71dda36e03a40a74fee04b86856

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\NCPU4OJ5\76561199751190313[1].htm

            Filesize

            33KB

            MD5

            5ae4643f48e90545f886b690cc1d5b92

            SHA1

            73be20df1cdae5baad81a5e197a8f7ff9d25561e

            SHA256

            0e77afc446941e41d345a081318e577885c94e993aef34ff797e2f051ab2df38

            SHA512

            68577ab8115d5a70412cef7a3072d8f094702bda555b46e6a5f4224dcdc004068d0c1754adca70cc4480f5a76dc252eda7ed10720e3586052747656acf256f07

          • memory/1380-33-0x0000000000400000-0x0000000000643000-memory.dmp

            Filesize

            2.3MB

          • memory/1380-84-0x0000000000400000-0x0000000000643000-memory.dmp

            Filesize

            2.3MB

          • memory/1380-42-0x0000000000400000-0x0000000000643000-memory.dmp

            Filesize

            2.3MB

          • memory/1380-32-0x0000000000400000-0x0000000000643000-memory.dmp

            Filesize

            2.3MB

          • memory/1380-49-0x0000000000400000-0x0000000000643000-memory.dmp

            Filesize

            2.3MB

          • memory/1380-57-0x0000000000400000-0x0000000000643000-memory.dmp

            Filesize

            2.3MB

          • memory/1380-58-0x0000000000400000-0x0000000000643000-memory.dmp

            Filesize

            2.3MB

          • memory/1380-4-0x0000000000400000-0x0000000000643000-memory.dmp

            Filesize

            2.3MB

          • memory/1380-17-0x0000000021D80000-0x0000000021FDF000-memory.dmp

            Filesize

            2.4MB

          • memory/1380-16-0x0000000000400000-0x0000000000643000-memory.dmp

            Filesize

            2.3MB

          • memory/1380-83-0x0000000000400000-0x0000000000643000-memory.dmp

            Filesize

            2.3MB

          • memory/1380-10-0x0000000000400000-0x0000000000643000-memory.dmp

            Filesize

            2.3MB

          • memory/1380-15-0x0000000000400000-0x0000000000643000-memory.dmp

            Filesize

            2.3MB

          • memory/1380-140-0x0000000000400000-0x0000000000643000-memory.dmp

            Filesize

            2.3MB

          • memory/1380-141-0x0000000000400000-0x0000000000643000-memory.dmp

            Filesize

            2.3MB

          • memory/1380-8-0x0000000000400000-0x0000000000643000-memory.dmp

            Filesize

            2.3MB

          • memory/3080-131-0x0000000000400000-0x000000000044C000-memory.dmp

            Filesize

            304KB

          • memory/3080-133-0x0000000000400000-0x000000000044C000-memory.dmp

            Filesize

            304KB

          • memory/3988-114-0x00000000727E0000-0x0000000072F90000-memory.dmp

            Filesize

            7.7MB

          • memory/3988-111-0x00000000727E0000-0x0000000072F90000-memory.dmp

            Filesize

            7.7MB

          • memory/3988-103-0x00000000727EE000-0x00000000727EF000-memory.dmp

            Filesize

            4KB

          • memory/4528-11-0x00000000750C0000-0x0000000075870000-memory.dmp

            Filesize

            7.7MB

          • memory/4528-0-0x00000000750CE000-0x00000000750CF000-memory.dmp

            Filesize

            4KB

          • memory/4528-65-0x00000000750C0000-0x0000000075870000-memory.dmp

            Filesize

            7.7MB

          • memory/4528-1-0x0000000000520000-0x0000000000556000-memory.dmp

            Filesize

            216KB

          • memory/4628-112-0x0000000000400000-0x0000000000643000-memory.dmp

            Filesize

            2.3MB

          • memory/4628-147-0x0000000000400000-0x0000000000643000-memory.dmp

            Filesize

            2.3MB

          • memory/4628-148-0x0000000000400000-0x0000000000643000-memory.dmp

            Filesize

            2.3MB

          • memory/4628-149-0x0000000000400000-0x0000000000643000-memory.dmp

            Filesize

            2.3MB

          • memory/4628-150-0x0000000022240000-0x000000002249F000-memory.dmp

            Filesize

            2.4MB

          • memory/4628-164-0x0000000000400000-0x0000000000643000-memory.dmp

            Filesize

            2.3MB

          • memory/4628-173-0x0000000000400000-0x0000000000643000-memory.dmp

            Filesize

            2.3MB

          • memory/4628-174-0x0000000000400000-0x0000000000643000-memory.dmp

            Filesize

            2.3MB

          • memory/5068-128-0x0000000000C60000-0x0000000000CAC000-memory.dmp

            Filesize

            304KB