Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-09-2024 01:26

General

  • Target

    72d4e5a68545de1c0268a4616db6807e90a027e0191dda20377ecbd61ae577f0.exe

  • Size

    292KB

  • MD5

    fede424830238cf2c2e661b5cb12e584

  • SHA1

    5a8f787c25eccd1e5a8d293625ef80c5d416da19

  • SHA256

    72d4e5a68545de1c0268a4616db6807e90a027e0191dda20377ecbd61ae577f0

  • SHA512

    713891e18a615e7013f555d05b08eb91e7520b94e1bba0fa0483c29f6f3af5ef8f2055b2e35e8e83b75cd41256b5fd86405318b87440da463b82daedfd8ac39f

  • SSDEEP

    6144:SUehHGTrrMAUWyioL61kWNVREN/EFO2LYuNJReyViEO:SU7nz4s1kWNvEVLTuplIEO

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 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 12 IoCs
  • Suspicious use of WriteProcessMemory 44 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\72d4e5a68545de1c0268a4616db6807e90a027e0191dda20377ecbd61ae577f0.exe
    "C:\Users\Admin\AppData\Local\Temp\72d4e5a68545de1c0268a4616db6807e90a027e0191dda20377ecbd61ae577f0.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4224
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:4544
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        2⤵
          PID:4028
        • 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:4488
          • C:\ProgramData\FHDHCAAKEC.exe
            "C:\ProgramData\FHDHCAAKEC.exe"
            3⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:1996
            • 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:2284
          • C:\ProgramData\ECAEGHIJEH.exe
            "C:\ProgramData\ECAEGHIJEH.exe"
            3⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:60
            • 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:2480
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\IDBFHJDAAFBA" & exit
            3⤵
            • System Location Discovery: System Language Discovery
            PID:3224
            • C:\Windows\SysWOW64\timeout.exe
              timeout /t 10
              4⤵
              • System Location Discovery: System Language Discovery
              • Delays execution with timeout.exe
              PID:4852

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\BFIIIDAFBFBK\EGIIIE

        Filesize

        160KB

        MD5

        f310cf1ff562ae14449e0167a3e1fe46

        SHA1

        85c58afa9049467031c6c2b17f5c12ca73bb2788

        SHA256

        e187946249cd390a3c1cf5d4e3b0d8f554f9acdc416bf4e7111fff217bb08855

        SHA512

        1196371de08c964268c44103ccaed530bda6a145df98e0f480d8ee5ad58cb6fb33ca4c9195a52181fe864726dcf52e6a7a466d693af0cda43400a3a7ef125fad

      • C:\ProgramData\ECAEGHIJEH.exe

        Filesize

        292KB

        MD5

        a714209db1b2b68a95e680df111922ed

        SHA1

        5533ed29bf3239839e6acf03965cf27ddf4f4138

        SHA256

        7ad095de4171dfb3458752e1f4406b726ea94327e529fd83e2189b8c04ffee86

        SHA512

        25ce432979995987a26e9442c2c9ac026d55ff9f4820d983ab30496d28a75dec508c4083b11a2433f5bc3c2f903828ed2849aa5542fc7de84394b44a29fbcf55

      • C:\ProgramData\FHDHCAAKEC.exe

        Filesize

        352KB

        MD5

        6f4a0ae013610785ad54438f4af26f1a

        SHA1

        c8ff55002963dde8457db2b11f68e67a070ddb21

        SHA256

        ccb16a2e8b58be824d838d5607ecd4b07123de87f9fe9e42e64507d77b0f374d

        SHA512

        6f3a30e8ee4ff36cfaac09bfe1272ed4678783c4628dd82e47dd1ef23d4a8ef1c153a9a4e8951cb38b4c7a833f2bc744dbcc7dac1e550b2f44ffadc8181d8ee3

      • 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

        912f27bcbbbdd339d73baf2ecec184e7

        SHA1

        de4c42adf7c06de811958807014887a4c0d41c95

        SHA256

        ac4301cf80e1320cc836f85d90d28221a50ec57e6129b195acf0cb00df5d18b2

        SHA512

        3315247d610e70893844af18d903d1010e0d9df7dc3dcaee2b83e4d52fd52910e2623cdcb5e33bc8e8253129914091e20a7a35d51b500fdf4eba2c48da83fcd8

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

        Filesize

        2KB

        MD5

        9541342916b0c5b0ee2f6062398b867f

        SHA1

        46fc51b5aa29f366ef96946c16cbe9b7f67c9392

        SHA256

        e6548a38d5a516be84c393b45ce4a1577e4bbd6bb40aad980237037fe0e5a740

        SHA512

        d763f9f0676bb94f8211aae463896cf1c545531c1c43ee9d60272427c3a7ea56dc332e8e4a08c570a87bc26908de326ef0f196da8ad79051f6cad2dfcd0579aa

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

        Filesize

        1KB

        MD5

        8515f6b60a6e8becf75da139b0767c36

        SHA1

        a926e7923af47636662c56e51ec8e0485d0e7b61

        SHA256

        42f8b46499f0f8fd94833336b4bdc1e908cb2b6b719d72229764bef52b80a6d6

        SHA512

        67450b06ebcc344b6eee9e5913a741161b1cf081cdb0d4ea5a6224735b2d490c46f1cb4783299265ec13212672af49de8b271b284951c9c229c700468ed322d2

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

        Filesize

        458B

        MD5

        a24e072a9e1d7756717cf65a0905a03b

        SHA1

        78becd476b6ab636fa30c8366a3ff36e5314d0cc

        SHA256

        ff7bd576383d4e7b18382c27922800f308efb0faff68ac52693bf984a65e01f9

        SHA512

        7f397a989cf47ecef99aeddf60c7cdc6c7dafc551c510c37ef26bd96ed1ed8197dfe05a151d7f22febaab2356b3fb7a077df3c8f0058f41a2c14852ec454b642

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

        Filesize

        450B

        MD5

        d7cb39c154439e1d62cf7a3e9845525f

        SHA1

        864bd230b508d09cbfe803fa08355c48e59e3fa0

        SHA256

        8325bd07eb1f0c894e1b3584f4e235b93fb17251c2381a61f45339a9d142f0c4

        SHA512

        bb76a316b2e493b5de67eebd6f98fadee8348699ea83d7dd0f2f7818b9fd1c7ae03734eb0e01a2c0ae3a0b86f85bdf72a3cccb81e9265ad2705fef35d18911df

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

        Filesize

        458B

        MD5

        e03e943f6e25bdfc4c565b8a3fa2b1fa

        SHA1

        27c3623e92235281b537311c25b9ec7296f2062f

        SHA256

        37564d22765b8d4c93f85a18c8a6e8f32142c9b2b7a6e255780b5fb811215566

        SHA512

        01e81c3b4f1d3f3f2a923b5c52fc1da1e89ea29051a304ecfac003038f24893d221bbdf62d73ce7c885498162dcb36ecfe0d4c18a9dd31583968e10313f7b0ce

      • memory/60-134-0x0000000000A00000-0x0000000000A4A000-memory.dmp

        Filesize

        296KB

      • memory/1996-112-0x00000000721B0000-0x0000000072960000-memory.dmp

        Filesize

        7.7MB

      • memory/1996-119-0x00000000721B0000-0x0000000072960000-memory.dmp

        Filesize

        7.7MB

      • memory/1996-110-0x00000000721BE000-0x00000000721BF000-memory.dmp

        Filesize

        4KB

      • memory/1996-111-0x00000000001A0000-0x00000000001FA000-memory.dmp

        Filesize

        360KB

      • memory/1996-167-0x00000000721B0000-0x0000000072960000-memory.dmp

        Filesize

        7.7MB

      • memory/2284-120-0x0000000000400000-0x000000000045C000-memory.dmp

        Filesize

        368KB

      • memory/2284-114-0x0000000000400000-0x000000000045C000-memory.dmp

        Filesize

        368KB

      • memory/2284-117-0x0000000000400000-0x000000000045C000-memory.dmp

        Filesize

        368KB

      • memory/2480-138-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2480-166-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2480-165-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2480-151-0x0000000022350000-0x00000000225AF000-memory.dmp

        Filesize

        2.4MB

      • memory/2480-150-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2480-149-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2480-136-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2480-140-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/4224-0-0x00000000752CE000-0x00000000752CF000-memory.dmp

        Filesize

        4KB

      • memory/4224-1-0x0000000000970000-0x00000000009BA000-memory.dmp

        Filesize

        296KB

      • memory/4224-2-0x00000000752C0000-0x0000000075A70000-memory.dmp

        Filesize

        7.7MB

      • memory/4224-6-0x00000000752C0000-0x0000000075A70000-memory.dmp

        Filesize

        7.7MB

      • memory/4224-11-0x00000000752C0000-0x0000000075A70000-memory.dmp

        Filesize

        7.7MB

      • memory/4488-43-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/4488-42-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/4488-8-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/4488-26-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/4488-10-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/4488-27-0x00000000223F0000-0x000000002264F000-memory.dmp

        Filesize

        2.4MB

      • memory/4488-4-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/4488-25-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/4488-93-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/4488-59-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/4488-60-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/4488-84-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/4488-85-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/4488-92-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB