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Analysis

  • max time kernel
    94s
  • max time network
    122s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/09/2024, 01:37

General

  • Target

    e4c2d3c019cf5161619d1f6ef5a76d7fb68f0cc9d4b0d004653e38bff42edf19.exe

  • Size

    283KB

  • MD5

    5c984dd83c65ae6b6f2d93a60ae40bfd

  • SHA1

    1ec1891c37d87fc565d93557a6b4d08da151badb

  • SHA256

    e4c2d3c019cf5161619d1f6ef5a76d7fb68f0cc9d4b0d004653e38bff42edf19

  • SHA512

    5f09ec740cd62c0ad5c94d53fbb8444e388ef4cf54ba4d12f1a7916048327ff3b9cd3d8cbd54d4678bacf178a93a35662b6ddf82c8049d199366ceac32c52ed9

  • SSDEEP

    6144:cf2UKkk1T+5pKHhU7mncSw2DND25SL3ttU3NAYTYsCmK0vEO:0juCeHe7mcMD25g3ttdSYsCpCEO

Malware Config

Extracted

Family

vidar

C2

https://t.me/edm0d

https://steamcommunity.com/profiles/76561199768374681

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36 OPR/110.0.0.0

Signatures

  • Detect Vidar Stealer 20 IoCs
  • 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 2 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 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 7 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 35 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e4c2d3c019cf5161619d1f6ef5a76d7fb68f0cc9d4b0d004653e38bff42edf19.exe
    "C:\Users\Admin\AppData\Local\Temp\e4c2d3c019cf5161619d1f6ef5a76d7fb68f0cc9d4b0d004653e38bff42edf19.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2016
    • 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:4672
      • C:\ProgramData\FIIDBKJJDG.exe
        "C:\ProgramData\FIIDBKJJDG.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4996
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4996 -s 884
          4⤵
          • Program crash
          PID:428
      • C:\ProgramData\EGIDAAFIEH.exe
        "C:\ProgramData\EGIDAAFIEH.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:940
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          4⤵
            PID:4600
          • 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:1696
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\EGIDAAFIEHIE" & exit
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:836
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 10
            4⤵
            • System Location Discovery: System Language Discovery
            • Delays execution with timeout.exe
            PID:3852
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4996 -ip 4996
      1⤵
        PID:3916

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\EGIDAAFIEH.exe

        Filesize

        283KB

        MD5

        ac7314c596e766b8f4f368579e2e0f8f

        SHA1

        0e4941e5e4299d04b9408194542c7362bcabcd2f

        SHA256

        be442a04bc031b4dc72835efeeeb025e9a103c8012382173965fba30bd3a96b9

        SHA512

        4258b6d15cd1c87d1787507f9132e5cf2caebfbf46dd055950dec8bb55faa094571d5b88cc58078adbab49f72fd3439f14ccae04de3d4bde672a540699a49428

      • C:\ProgramData\FIIDBKJJDG.exe

        Filesize

        322KB

        MD5

        a5098dee7d78acfb0294523855906aad

        SHA1

        5f44ca3f038456d07f7702cf061e7dad0039a8fb

        SHA256

        b07e6681aedf25d80c36bb0cb362d3d9c22c17a42d03e42e0d2413ad1be1a4c2

        SHA512

        b962efb2830b82e3cb4e39e3bd09ae68211dc0842ebd3c497e9425fcdd8ffb6eb09ca29386bf80fe9487346979592cbbc0f14c71e81129faf5ffd6f544226552

      • C:\ProgramData\KJKJKFCBKKJD\IJKJDA

        Filesize

        160KB

        MD5

        f310cf1ff562ae14449e0167a3e1fe46

        SHA1

        85c58afa9049467031c6c2b17f5c12ca73bb2788

        SHA256

        e187946249cd390a3c1cf5d4e3b0d8f554f9acdc416bf4e7111fff217bb08855

        SHA512

        1196371de08c964268c44103ccaed530bda6a145df98e0f480d8ee5ad58cb6fb33ca4c9195a52181fe864726dcf52e6a7a466d693af0cda43400a3a7ef125fad

      • 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\LocalLow\Microsoft\CryptnetUrlCache\Content\156887258BBD6E1FEF562837733EA04E_5BBC02CEDFD3F7AC9E268D830CF231EE

        Filesize

        2KB

        MD5

        f3996f922326413e2e955f3774434d01

        SHA1

        a68789fa985ebfab0c61bbee12098e404288cded

        SHA256

        34a9640d4292dbc5d1fee85322b3c457eb2ee28284618a602ec936de9a104200

        SHA512

        34b7c1c1e5bdaa7da31887fce2b8069203922599824fd28e1db53cd0ebd343118c7899f56159eeb0500c96ca0ba4e9f28a6695f8032ca4acb4ee17204b746376

      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771

        Filesize

        2KB

        MD5

        e2e9309062d386d7fec2730d865be1b3

        SHA1

        30dbe40a07dd56429b70601ff35c954d78ee99b9

        SHA256

        01459ba654c52454a8dae37f078fffc280d3a13b55837fd82d05a9c902e88ebb

        SHA512

        46ec1842ed5b93bf5e2533ce2561b0035ff0beb8e5ce61ecb2ec7bdb13f54e38a7a44d258b6713deb5278b39a6cd8b8dff349d3a2a088f9f4014eed6262f6b63

      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\EB2C4AB8B68FFA4B7733A9139239A396_D76DB901EE986B889F30D8CC06229E2D

        Filesize

        1KB

        MD5

        17bc873e2a1ececdb96ba865079e2f7a

        SHA1

        a44455ae9199b8f0b798ffe8952d2ce2b3cdf335

        SHA256

        aaf3cca466c1452b3c1947aebea6107b1fba212c1cf9a0bcb2f7515b2a6cccea

        SHA512

        cc0b2d9cd308ec3b289e67f8041a633099a69705587fd042201a3d2badc3cebdf18a971997fb9c3148ee9a016385f4657f74029bc47770e61c1b2c0c63f4adac

      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\156887258BBD6E1FEF562837733EA04E_5BBC02CEDFD3F7AC9E268D830CF231EE

        Filesize

        458B

        MD5

        ec267a7c479d8df63461efd66775bf7a

        SHA1

        fdc89f7a3340088e44a55e03fef28ead4780b89d

        SHA256

        c58426e03668e97e52b3f2968a3890691f51155639751dff7604921a19343ee5

        SHA512

        a6c420793566af4ba6136fdd13d85228befe4ff2f2601b10f0f1801f6015d026b74d74a51d9a4500f9e418c9851b2b9e3c472d2d0a8044705f6a00f23357291e

      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771

        Filesize

        450B

        MD5

        243d2141931302b61bd4f2d6c05a9ebb

        SHA1

        273b8f7083e669200a812a68bdaabece7d225ed3

        SHA256

        1ed1feeadb9ecd2a796d9bb86ebe7ff4656dfdb98e436a81ccdbd81fe13d5b27

        SHA512

        a24e85b14a5b1c0ee2cf5cdcb154662d73e38f116eac990c447db8b04f8154ba4fc2db747c71db9a2d7141d9b3196ac073312c0868258ac49129813be1315503

      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\EB2C4AB8B68FFA4B7733A9139239A396_D76DB901EE986B889F30D8CC06229E2D

        Filesize

        458B

        MD5

        cd8afa743875b728dfc39c3585e5005e

        SHA1

        74a5b77fd0c1a3da2c1986afbddda418fc362648

        SHA256

        63ed75bdf8a6da62d35a50f3e0675562c8f57397212afb5bd4884c725a23ccd1

        SHA512

        3a4bd8d14acb21b362effab15b30179bdaa1f711a8edf6f7dc9dec91b1ef286169fcc63673ec20dc46a0832ef02b04f2702fe5d15b014e43e32feae213c4e0e7

      • memory/940-122-0x0000000000150000-0x000000000019A000-memory.dmp

        Filesize

        296KB

      • memory/1696-126-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1696-137-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1696-138-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1696-139-0x000000001FF40000-0x000000002019F000-memory.dmp

        Filesize

        2.4MB

      • memory/1696-128-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1696-153-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1696-154-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1696-124-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2016-12-0x0000000074AD0000-0x0000000075280000-memory.dmp

        Filesize

        7.7MB

      • memory/2016-91-0x0000000074AD0000-0x0000000075280000-memory.dmp

        Filesize

        7.7MB

      • memory/2016-0-0x0000000074ADE000-0x0000000074ADF000-memory.dmp

        Filesize

        4KB

      • memory/2016-2-0x0000000005230000-0x00000000057D4000-memory.dmp

        Filesize

        5.6MB

      • memory/2016-1-0x0000000000340000-0x000000000038A000-memory.dmp

        Filesize

        296KB

      • memory/4672-41-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/4672-59-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/4672-4-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/4672-93-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/4672-92-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/4672-84-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/4672-83-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/4672-9-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/4672-58-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/4672-42-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/4672-27-0x00000000229B0000-0x0000000022C0F000-memory.dmp

        Filesize

        2.4MB

      • memory/4672-25-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/4672-24-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/4672-7-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/4996-107-0x000000007207E000-0x000000007207F000-memory.dmp

        Filesize

        4KB

      • memory/4996-108-0x0000000000270000-0x00000000002C4000-memory.dmp

        Filesize

        336KB