Analysis

  • max time kernel
    93s
  • max time network
    147s
  • 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 01:06

General

  • Target

    16358e5cb11b110f739d10d61f23ae9107f01e3757f1c1bbc3f0e71b7404e579.exe

  • Size

    292KB

  • MD5

    b9e09917fbda00f390cf009dc958051d

  • SHA1

    23baeca0d2a64746112d308c644f8daf6136a4bf

  • SHA256

    16358e5cb11b110f739d10d61f23ae9107f01e3757f1c1bbc3f0e71b7404e579

  • SHA512

    53494a6e257030aa8a6373aacdf2490e0f1432d3c6556f9c57161b38ce4ec6dfe2d2c7dec732d029de6dc5d81b876f1be3c18892cc3f9305d00e2a21594fdd21

  • SSDEEP

    6144:aVlTsl/ziXVssyKy0HwGRNorqJy++eMumaCHjJp7MuwnwqW0HE/JJM5EO:Eul/OXV1yKpHLlMuWT7MuhqWceOEO

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 47 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\16358e5cb11b110f739d10d61f23ae9107f01e3757f1c1bbc3f0e71b7404e579.exe
    "C:\Users\Admin\AppData\Local\Temp\16358e5cb11b110f739d10d61f23ae9107f01e3757f1c1bbc3f0e71b7404e579.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2748
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:804
      • 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:3904
        • C:\ProgramData\DHDAKFCGIJ.exe
          "C:\ProgramData\DHDAKFCGIJ.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3076
          • 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:2924
            • C:\Program Files\Google\Chrome\Application\FMZ7QBYCX73KC5U5.exe
              "C:\Program Files\Google\Chrome\Application\FMZ7QBYCX73KC5U5.exe"
              5⤵
              • Executes dropped EXE
              • System Location Discovery: System Language Discovery
              PID:1748
        • C:\ProgramData\KFIJEGCBGI.exe
          "C:\ProgramData\KFIJEGCBGI.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2728
          • 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:2260
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\GHJKEHJEGCFC" & exit
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4888
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 10
            4⤵
            • System Location Discovery: System Language Discovery
            • Delays execution with timeout.exe
            PID:2416

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Program Files\Google\Chrome\Application\FMZ7QBYCX73KC5U5.exe

      Filesize

      63KB

      MD5

      0d5df43af2916f47d00c1573797c1a13

      SHA1

      230ab5559e806574d26b4c20847c368ed55483b0

      SHA256

      c066aee7aa3aa83f763ebc5541daa266ed6c648fbffcde0d836a13b221bb2adc

      SHA512

      f96cf9e1890746b12daf839a6d0f16f062b72c1b8a40439f96583f242980f10f867720232a6fa0f7d4d7ac0a7a6143981a5a130d6417ea98b181447134c7cfe2

    • C:\ProgramData\DHDAKFCGIJ.exe

      Filesize

      338KB

      MD5

      7abd5004d90827227cb77ecebc6c0aba

      SHA1

      39c7f736d4041cb246b31d34f455460cdc3a071e

      SHA256

      13d8eb0461863ad7a6f2cd6c20133e6141b7ee60c2cfa16be07b050a1702b5ad

      SHA512

      7d95b29386c7a42da65be1888ce33d1e6e323da9e667cd72def869da3dfd60209b023d03e5258fcf52a71d7d2dd9a98e620cd1a44bc0e68da6d9567041a5e616

    • C:\ProgramData\GDBAKKKFBGDH\JECBGC

      Filesize

      160KB

      MD5

      f310cf1ff562ae14449e0167a3e1fe46

      SHA1

      85c58afa9049467031c6c2b17f5c12ca73bb2788

      SHA256

      e187946249cd390a3c1cf5d4e3b0d8f554f9acdc416bf4e7111fff217bb08855

      SHA512

      1196371de08c964268c44103ccaed530bda6a145df98e0f480d8ee5ad58cb6fb33ca4c9195a52181fe864726dcf52e6a7a466d693af0cda43400a3a7ef125fad

    • C:\ProgramData\KFIJEGCBGI.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

      c45deca55edc16c257da7f2b1d6ae5ef

      SHA1

      e7e1e2a19ae9a5baf3a9f246c94459568f5df57f

      SHA256

      1eacc62abbf15c41b91737a955f7a13017a1748c37f2ede8f0012261e85ce126

      SHA512

      3a50d5f71e946b2978761b6b6729ce0a6d9b7dc1e8696e9224c6f4c31b74048151aef97d536c87f39f36890900197dcd7db58d72c28f9b494d14fa84497a8efb

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

      Filesize

      450B

      MD5

      1cd1f93a7a763fecae9c746d1a1ddec3

      SHA1

      f4e436b786c233bea169b36bb4ba3ab5608cb5bf

      SHA256

      4e63bec404735a23793db47626c8af64b83e5660ffd3481c5ec4cb13de17ea8b

      SHA512

      99c795f3858f33e86f38b40af5224f2a737bb308adcdf5ec5927164b081663c60f49f0e56cc54ca47647766451851ab651db3b2cb5d9b1f6d033dadf47ec38bd

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

      Filesize

      458B

      MD5

      7f6a2717e604711cd3eb951dba36a761

      SHA1

      3b31595bde087a6f80e0d320f8b5e31713479499

      SHA256

      e3202171ee1a11dd451e37bf09baceae95cb94f19092d6097534dcfeb515cd42

      SHA512

      ce465fae94fec1c8c7e3d3d65af74642d6cf4a164496ffb3494874a47e8f1d3f2481ef9bb852dfdcfddf9ccb8bf731a8e8ccf0325154d0e4a0962566c48bfbef

    • memory/1748-143-0x0000000000BF0000-0x0000000000C02000-memory.dmp

      Filesize

      72KB

    • memory/2260-161-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2260-148-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2260-152-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2260-177-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2260-162-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2260-150-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2260-163-0x0000000022730000-0x000000002298F000-memory.dmp

      Filesize

      2.4MB

    • memory/2260-178-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2728-146-0x0000000000180000-0x00000000001CA000-memory.dmp

      Filesize

      296KB

    • memory/2748-2-0x0000000074870000-0x0000000075020000-memory.dmp

      Filesize

      7.7MB

    • memory/2748-0-0x000000007487E000-0x000000007487F000-memory.dmp

      Filesize

      4KB

    • memory/2748-6-0x0000000074870000-0x0000000075020000-memory.dmp

      Filesize

      7.7MB

    • memory/2748-1-0x00000000004F0000-0x000000000053A000-memory.dmp

      Filesize

      296KB

    • memory/2748-7-0x0000000074870000-0x0000000075020000-memory.dmp

      Filesize

      7.7MB

    • memory/2924-128-0x0000000000400000-0x0000000000459000-memory.dmp

      Filesize

      356KB

    • memory/2924-123-0x0000000000400000-0x0000000000459000-memory.dmp

      Filesize

      356KB

    • memory/2924-120-0x0000000000400000-0x0000000000459000-memory.dmp

      Filesize

      356KB

    • memory/3076-118-0x00000000717C0000-0x0000000071F70000-memory.dmp

      Filesize

      7.7MB

    • memory/3076-127-0x00000000717C0000-0x0000000071F70000-memory.dmp

      Filesize

      7.7MB

    • memory/3076-117-0x0000000000150000-0x00000000001A6000-memory.dmp

      Filesize

      344KB

    • memory/3076-116-0x00000000717CE000-0x00000000717CF000-memory.dmp

      Filesize

      4KB

    • memory/3904-93-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/3904-92-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/3904-85-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/3904-84-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/3904-60-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/3904-59-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/3904-43-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/3904-42-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/3904-28-0x0000000022710000-0x000000002296F000-memory.dmp

      Filesize

      2.4MB

    • memory/3904-26-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/3904-25-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/3904-11-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/3904-9-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/3904-4-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB