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Analysis

  • max time kernel
    94s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/09/2024, 01:18

General

  • Target

    6c6ec35999113818b53305fdfd10b9afb24129d3299a06e2f8b4204f327ab98d.exe

  • Size

    292KB

  • MD5

    ad31361e15557683381bfeafda7fc981

  • SHA1

    0fa8a544b8c85e1337f1d7794c809c4c76690428

  • SHA256

    6c6ec35999113818b53305fdfd10b9afb24129d3299a06e2f8b4204f327ab98d

  • SHA512

    21aa9d918a6c884f6c4572e3b714b73c96b73fa69723181ec42966104644cd99689d7e75830d5f3a7b61400f7c21c20fec35a22672524e01e1091210bf9af8cb

  • SSDEEP

    6144:O5fP3M3itSVctOcalWs0q4Heb+J4ejNBN++lUjjHEO:O5fPc3itsIOcOyhNjNv++UjHEO

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 3 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
  • Drops file in Program Files directory 1 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 9 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
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of WriteProcessMemory 53 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6c6ec35999113818b53305fdfd10b9afb24129d3299a06e2f8b4204f327ab98d.exe
    "C:\Users\Admin\AppData\Local\Temp\6c6ec35999113818b53305fdfd10b9afb24129d3299a06e2f8b4204f327ab98d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2484
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:2680
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        2⤵
          PID:5052
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          2⤵
            PID:3304
          • 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
            • Modifies system certificate store
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of WriteProcessMemory
            PID:2944
            • C:\ProgramData\DHIDHIEGII.exe
              "C:\ProgramData\DHIDHIEGII.exe"
              3⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:4652
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                4⤵
                • Drops file in Program Files directory
                • System Location Discovery: System Language Discovery
                • Suspicious use of WriteProcessMemory
                PID:2288
                • C:\Program Files\Google\Chrome\Application\8BP1JMFP6.exe
                  "C:\Program Files\Google\Chrome\Application\8BP1JMFP6.exe"
                  5⤵
                  • Executes dropped EXE
                  • System Location Discovery: System Language Discovery
                  PID:4484
            • C:\ProgramData\GHDHDGHJEB.exe
              "C:\ProgramData\GHDHDGHJEB.exe"
              3⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:716
              • 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:1208
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\JKFCBAEHCAEG" & exit
              3⤵
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2464
              • C:\Windows\SysWOW64\timeout.exe
                timeout /t 10
                4⤵
                • System Location Discovery: System Language Discovery
                • Delays execution with timeout.exe
                PID:1612

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Program Files\Google\Chrome\Application\8BP1JMFP6.exe

          Filesize

          63KB

          MD5

          0d5df43af2916f47d00c1573797c1a13

          SHA1

          230ab5559e806574d26b4c20847c368ed55483b0

          SHA256

          c066aee7aa3aa83f763ebc5541daa266ed6c648fbffcde0d836a13b221bb2adc

          SHA512

          f96cf9e1890746b12daf839a6d0f16f062b72c1b8a40439f96583f242980f10f867720232a6fa0f7d4d7ac0a7a6143981a5a130d6417ea98b181447134c7cfe2

        • C:\ProgramData\DHIDHIEGII.exe

          Filesize

          338KB

          MD5

          7abd5004d90827227cb77ecebc6c0aba

          SHA1

          39c7f736d4041cb246b31d34f455460cdc3a071e

          SHA256

          13d8eb0461863ad7a6f2cd6c20133e6141b7ee60c2cfa16be07b050a1702b5ad

          SHA512

          7d95b29386c7a42da65be1888ce33d1e6e323da9e667cd72def869da3dfd60209b023d03e5258fcf52a71d7d2dd9a98e620cd1a44bc0e68da6d9567041a5e616

        • C:\ProgramData\GHDHDGHJEB.exe

          Filesize

          292KB

          MD5

          9d0327bd2962fd98512fb4ad5fc9ad19

          SHA1

          37fd2898d15b6e4e4be596c11120649e374a091b

          SHA256

          86d1e9372127505a6200e134641390297bd255de3b742d874108cbf5670d3d9c

          SHA512

          9a768adcd08acc5766d2b7a46e1360c2a2551405248bf774bc736b196d902bbeee56e472bd8f94a8c993f54e6e2402a9a14d6131500cf7979b89ccdbdd6ecc15

        • C:\ProgramData\JKFCBAEHCAEG\BKKJDB

          Filesize

          160KB

          MD5

          f310cf1ff562ae14449e0167a3e1fe46

          SHA1

          85c58afa9049467031c6c2b17f5c12ca73bb2788

          SHA256

          e187946249cd390a3c1cf5d4e3b0d8f554f9acdc416bf4e7111fff217bb08855

          SHA512

          1196371de08c964268c44103ccaed530bda6a145df98e0f480d8ee5ad58cb6fb33ca4c9195a52181fe864726dcf52e6a7a466d693af0cda43400a3a7ef125fad

        • C:\ProgramData\JKFCBAEHCAEG\BKKJDB

          Filesize

          40KB

          MD5

          a182561a527f929489bf4b8f74f65cd7

          SHA1

          8cd6866594759711ea1836e86a5b7ca64ee8911f

          SHA256

          42aad7886965428a941508b776a666a4450eb658cb90e80fae1e7457fc71f914

          SHA512

          9bc3bf5a82f6f057e873adebd5b7a4c64adef966537ab9c565fe7c4bb3582e2e485ff993d5ab8a6002363231958fabd0933b48811371b8c155eaa74592b66558

        • 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

          6bfa4438231e0c1dec70cb1b1dc23963

          SHA1

          f75144276248f49cf6264ffe8af11ad6318eaa9b

          SHA256

          b34da0ff4c8f3d724a7384d6ea6e2afef4aef858643f5b751519b98d17c03175

          SHA512

          55e833538700a73c82d06d04d5c1ba7f38c38cb1581b7af7ae1dcb564b246eb8870e1a7ea529bac8a72dac3339303db475544a6471a64d4e9e221ec54286436f

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

          Filesize

          2KB

          MD5

          ed1b8c9857cb3300612b9339f6f4d22c

          SHA1

          4e53e144ca4e1851898b590df4853f3a0cb41761

          SHA256

          fba16f4ffd6fd89df324ba7a28c27fd7931d2e96c33548f1c0738f8f86f211a0

          SHA512

          69c55660c13829052f8e34a946c302d41c687e7300073a58c3d16033631537c5ce21653335e8925caf178bd636ac9c340ba74de23ba19c2dbeb9ae608e6033cc

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

          Filesize

          1KB

          MD5

          66a1250945d5954ccd7a7270c292cdfb

          SHA1

          eef0640046e6b10662d2b2ff6f419bffd911c727

          SHA256

          4b7cf758eb8582e21a9915f9710a9dc30050df83ddd1fd374c358bf5d0bd2897

          SHA512

          3ac2725dfefe50f6f6e96853c7f9f647c5fe1c7fc762c0e777770d0f89d4ac8fad0886ff1ffb6475fbc6307935a1068a5567b940789e892edec7eb4599e943b3

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

          Filesize

          458B

          MD5

          906551abd3a3c5ba3e2e78b83447e042

          SHA1

          901c2e5464d777e4ee4b55e5a773a7f72f1adec4

          SHA256

          c335c88b7f7cda9b817355d6214fb76c6c02823c02605765be986ad218f4d2ae

          SHA512

          5e6080ae233edfb998a4b99355ad887fc49a32db8c7adc74ca7289c7c068dc5463e61b240c0b1cea8e3557162f755d9b86c1c4429f7b9f9aaf74308c55eecf13

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

          Filesize

          450B

          MD5

          e55c2d680aa845a557b764e6d9a49689

          SHA1

          be1de8675ba6939856692d6fc2b28174686fe2fb

          SHA256

          7f5f21ef1c5ab095acc67b6be7967331bd09b550a41bab9e537a6ce39839f3fd

          SHA512

          00e1bb0a2c2dff652a9c4be769d6d013430492109786208c62fb8ca44d2eb72de0a60d0e815176a2088ac55c046f9bcb0a8b6a032a9b88034a3d91b74797087c

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

          Filesize

          458B

          MD5

          b7f918b2849d6c636466e508b36b1eb9

          SHA1

          442bd0d8518c8f5bdf5f18b43dc204b5f5ad898f

          SHA256

          848e81f28c1016b1616b2c8695461bb35174cecf015bbf0453a465df2467856e

          SHA512

          ee6db51591aff7068c2847a7c60306efa4ea369d32b6116509bfb2ef525e45cef81392905c9a6784d6703d1a40c8eef019804ded80dc415d6a2535ed25de2154

        • memory/716-148-0x00000000002D0000-0x000000000031A000-memory.dmp

          Filesize

          296KB

        • memory/1208-150-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/1208-179-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/1208-165-0x0000000022860000-0x0000000022ABF000-memory.dmp

          Filesize

          2.4MB

        • memory/1208-180-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/1208-164-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/1208-154-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/1208-152-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/1208-163-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2288-122-0x0000000000400000-0x0000000000459000-memory.dmp

          Filesize

          356KB

        • memory/2288-125-0x0000000000400000-0x0000000000459000-memory.dmp

          Filesize

          356KB

        • memory/2288-130-0x0000000000400000-0x0000000000459000-memory.dmp

          Filesize

          356KB

        • memory/2484-2-0x0000000074470000-0x0000000074C20000-memory.dmp

          Filesize

          7.7MB

        • memory/2484-0-0x000000007447E000-0x000000007447F000-memory.dmp

          Filesize

          4KB

        • memory/2484-6-0x0000000074470000-0x0000000074C20000-memory.dmp

          Filesize

          7.7MB

        • memory/2484-1-0x0000000000DB0000-0x0000000000DFA000-memory.dmp

          Filesize

          296KB

        • memory/2484-7-0x0000000074470000-0x0000000074C20000-memory.dmp

          Filesize

          7.7MB

        • memory/2944-45-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2944-30-0x00000000222C0000-0x000000002251F000-memory.dmp

          Filesize

          2.4MB

        • memory/2944-4-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2944-9-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2944-11-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2944-27-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2944-95-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2944-94-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2944-87-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2944-86-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2944-62-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2944-61-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2944-44-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2944-28-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/4484-133-0x00000000007C0000-0x00000000007D2000-memory.dmp

          Filesize

          72KB

        • memory/4652-118-0x00000000719BE000-0x00000000719BF000-memory.dmp

          Filesize

          4KB

        • memory/4652-119-0x0000000000A90000-0x0000000000AE6000-memory.dmp

          Filesize

          344KB

        • memory/4652-120-0x00000000719B0000-0x0000000072160000-memory.dmp

          Filesize

          7.7MB

        • memory/4652-129-0x00000000719B0000-0x0000000072160000-memory.dmp

          Filesize

          7.7MB