Analysis

  • max time kernel
    94s
  • max time network
    154s
  • 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 01:14

General

  • Target

    44408030fc2d6ab0d35a060e03f750a4d53dd9045debd1c189da636d07e86147.exe

  • Size

    292KB

  • MD5

    26e1bcdecaa337ee8e8b3694603c803f

  • SHA1

    4d489fc1eb967acc177cdc5ff7cdd77dac3020d4

  • SHA256

    44408030fc2d6ab0d35a060e03f750a4d53dd9045debd1c189da636d07e86147

  • SHA512

    7c606989961c028555e27bb85658f7bc94d362f20b17702675eb24cb8a05ba0d52fa525e28ea74265d437ec3d09799481882fedbb987fc04edd5aafbfcdf623f

  • SSDEEP

    6144:O/U+c8P+Iwx+Sp66wGPJJNwK0LTyib+2VvW5EO:Os/9Jp6SBw7LTyiLW5EO

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 50 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\44408030fc2d6ab0d35a060e03f750a4d53dd9045debd1c189da636d07e86147.exe
    "C:\Users\Admin\AppData\Local\Temp\44408030fc2d6ab0d35a060e03f750a4d53dd9045debd1c189da636d07e86147.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1636
    • 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:4916
      • C:\ProgramData\HCGCAAKJDH.exe
        "C:\ProgramData\HCGCAAKJDH.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1764
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          4⤵
            PID:4216
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            4⤵
              PID:388
            • 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:3060
              • C:\Program Files\Google\Chrome\Application\HQOQ2OCEK57.exe
                "C:\Program Files\Google\Chrome\Application\HQOQ2OCEK57.exe"
                5⤵
                • Executes dropped EXE
                • System Location Discovery: System Language Discovery
                PID:920
          • C:\ProgramData\JJDBAEHIJK.exe
            "C:\ProgramData\JJDBAEHIJK.exe"
            3⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:4492
            • 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:3128
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\HJKJEHJKJEBG" & exit
            3⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:4484
            • C:\Windows\SysWOW64\timeout.exe
              timeout /t 10
              4⤵
              • System Location Discovery: System Language Discovery
              • Delays execution with timeout.exe
              PID:3708

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Program Files\Google\Chrome\Application\HQOQ2OCEK57.exe

        Filesize

        63KB

        MD5

        0d5df43af2916f47d00c1573797c1a13

        SHA1

        230ab5559e806574d26b4c20847c368ed55483b0

        SHA256

        c066aee7aa3aa83f763ebc5541daa266ed6c648fbffcde0d836a13b221bb2adc

        SHA512

        f96cf9e1890746b12daf839a6d0f16f062b72c1b8a40439f96583f242980f10f867720232a6fa0f7d4d7ac0a7a6143981a5a130d6417ea98b181447134c7cfe2

      • C:\ProgramData\CGDHDHJEBGHJ\HJJJEC

        Filesize

        160KB

        MD5

        f310cf1ff562ae14449e0167a3e1fe46

        SHA1

        85c58afa9049467031c6c2b17f5c12ca73bb2788

        SHA256

        e187946249cd390a3c1cf5d4e3b0d8f554f9acdc416bf4e7111fff217bb08855

        SHA512

        1196371de08c964268c44103ccaed530bda6a145df98e0f480d8ee5ad58cb6fb33ca4c9195a52181fe864726dcf52e6a7a466d693af0cda43400a3a7ef125fad

      • C:\ProgramData\HCGCAAKJDH.exe

        Filesize

        338KB

        MD5

        7abd5004d90827227cb77ecebc6c0aba

        SHA1

        39c7f736d4041cb246b31d34f455460cdc3a071e

        SHA256

        13d8eb0461863ad7a6f2cd6c20133e6141b7ee60c2cfa16be07b050a1702b5ad

        SHA512

        7d95b29386c7a42da65be1888ce33d1e6e323da9e667cd72def869da3dfd60209b023d03e5258fcf52a71d7d2dd9a98e620cd1a44bc0e68da6d9567041a5e616

      • C:\ProgramData\JJDBAEHIJK.exe

        Filesize

        292KB

        MD5

        9d0327bd2962fd98512fb4ad5fc9ad19

        SHA1

        37fd2898d15b6e4e4be596c11120649e374a091b

        SHA256

        86d1e9372127505a6200e134641390297bd255de3b742d874108cbf5670d3d9c

        SHA512

        9a768adcd08acc5766d2b7a46e1360c2a2551405248bf774bc736b196d902bbeee56e472bd8f94a8c993f54e6e2402a9a14d6131500cf7979b89ccdbdd6ecc15

      • 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

        238ac46cc031eadc34b09bf67a228954

        SHA1

        4a029323b47ae65295eea297b41c103d77cb07d9

        SHA256

        9796be3a3581c5719fa75bf560f388c8b1290eca9874f9a5f893f64354159e37

        SHA512

        67d72d56c25331cfcd1bf749dd0b5b164a8c7f0ec608085a8999aae80c92fc3d889315100ac4e2552f63d25bff733d2ab7d456283e606d66902f71e775bb8da4

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

        Filesize

        450B

        MD5

        4eb358dc9e5fd13db125e897acb7b0d4

        SHA1

        55ceda30406cf1833b02d6170a941940cf5a561b

        SHA256

        40f44cb0f1eb614eaf3c2cc6e00fd1a9a16d2a593680d342d3bc82a3feadfedf

        SHA512

        46f3128465bc958e4604b3451df6df62aa434257431b23b6397dcd95a62ac657267282bbc1e27b8e7df7e7a0479af4d2d16b741850a5653fef3ed43f0d582ed3

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

        Filesize

        458B

        MD5

        ba9bedcd29dc5471ac37cf1ba4b981af

        SHA1

        d95b9974d35e4061337131940ea1450511f3ea66

        SHA256

        26a0778addeaae2cff7832165fd8b2d5251e80ac396f9d576a74a78543a9f802

        SHA512

        52bd7c55a46bd44010ddca889d43bbd93fd0d40e0e853c968a1de28f55ffa4d04e42c1c410ce902e88ffca1a74373d7e25fdc3eaef4fee08d529ab93830509d5

      • memory/920-145-0x0000000000AA0000-0x0000000000AB2000-memory.dmp

        Filesize

        72KB

      • memory/1636-6-0x0000000075160000-0x0000000075910000-memory.dmp

        Filesize

        7.7MB

      • memory/1636-0-0x000000007516E000-0x000000007516F000-memory.dmp

        Filesize

        4KB

      • memory/1636-1-0x0000000000510000-0x000000000055A000-memory.dmp

        Filesize

        296KB

      • memory/1636-2-0x0000000075160000-0x0000000075910000-memory.dmp

        Filesize

        7.7MB

      • memory/1636-7-0x0000000075160000-0x0000000075910000-memory.dmp

        Filesize

        7.7MB

      • memory/1764-142-0x00000000726A0000-0x0000000072E50000-memory.dmp

        Filesize

        7.7MB

      • memory/1764-140-0x00000000726A0000-0x0000000072E50000-memory.dmp

        Filesize

        7.7MB

      • memory/1764-116-0x00000000726AE000-0x00000000726AF000-memory.dmp

        Filesize

        4KB

      • memory/1764-117-0x0000000000EA0000-0x0000000000EF6000-memory.dmp

        Filesize

        344KB

      • memory/1764-118-0x00000000726A0000-0x0000000072E50000-memory.dmp

        Filesize

        7.7MB

      • memory/3060-136-0x0000000000400000-0x0000000000459000-memory.dmp

        Filesize

        356KB

      • memory/3060-138-0x0000000000400000-0x0000000000459000-memory.dmp

        Filesize

        356KB

      • memory/3060-133-0x0000000000400000-0x0000000000459000-memory.dmp

        Filesize

        356KB

      • memory/3128-152-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/3128-150-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/3128-178-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/3128-177-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/3128-163-0x0000000022790000-0x00000000229EF000-memory.dmp

        Filesize

        2.4MB

      • memory/3128-162-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/3128-161-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/3128-148-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/4492-135-0x00000000005A0000-0x00000000005EA000-memory.dmp

        Filesize

        296KB

      • memory/4916-42-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/4916-11-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/4916-93-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/4916-28-0x0000000024B50000-0x0000000024DAF000-memory.dmp

        Filesize

        2.4MB

      • memory/4916-26-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/4916-25-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/4916-9-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/4916-43-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/4916-59-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/4916-60-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/4916-84-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/4916-4-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/4916-85-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/4916-92-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB