Analysis

  • max time kernel
    21s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    17-09-2024 01:09

General

  • Target

    393fdc548e466ad14530d328eae10582ee3397539b118bd37040f2489d14d004.exe

  • Size

    283KB

  • MD5

    bfb262695846160319eff924751694cb

  • SHA1

    9cc9183479bba4738319df432708485d5e4a18d2

  • SHA256

    393fdc548e466ad14530d328eae10582ee3397539b118bd37040f2489d14d004

  • SHA512

    8cc0534f98920d2f456d5c21e4b8b1e747e69fac21b64b5d426c39a0f08907ca0f12a312100641b5716525f95ab017ec2a15818f42c3370c31ac9d3bf09445f9

  • SSDEEP

    6144:au9ShT41pulkoqVoUQqD4HXFeHuoSw4C6X4LmuyutMk5qGGMSDEO:NxqZqVoUvUXcOobiCl/oGGHEO

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 27 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
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 15 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 5 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 2 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 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of WriteProcessMemory 61 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\393fdc548e466ad14530d328eae10582ee3397539b118bd37040f2489d14d004.exe
    "C:\Users\Admin\AppData\Local\Temp\393fdc548e466ad14530d328eae10582ee3397539b118bd37040f2489d14d004.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1520
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:2160
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        2⤵
        • 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:2152
        • C:\ProgramData\DBFIDGIIIJ.exe
          "C:\ProgramData\DBFIDGIIIJ.exe"
          3⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:904
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 904 -s 556
            4⤵
            • Loads dropped DLL
            • Program crash
            PID:2192
        • C:\ProgramData\GDHDHJEBGH.exe
          "C:\ProgramData\GDHDHJEBGH.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2472
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            4⤵
              PID:1604
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
              4⤵
                PID:2196
              • 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:2172
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\FIECBFIDGDAK" & exit
              3⤵
                PID:1008
                • C:\Windows\SysWOW64\timeout.exe
                  timeout /t 10
                  4⤵
                  • Delays execution with timeout.exe
                  PID:3064

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\ProgramData\GDHDHJEBGH.exe

            Filesize

            283KB

            MD5

            ac7314c596e766b8f4f368579e2e0f8f

            SHA1

            0e4941e5e4299d04b9408194542c7362bcabcd2f

            SHA256

            be442a04bc031b4dc72835efeeeb025e9a103c8012382173965fba30bd3a96b9

            SHA512

            4258b6d15cd1c87d1787507f9132e5cf2caebfbf46dd055950dec8bb55faa094571d5b88cc58078adbab49f72fd3439f14ccae04de3d4bde672a540699a49428

          • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\EDC238BFF48A31D55A97E1E93892934B_C31B2498754E340573F1336DE607D619

            Filesize

            471B

            MD5

            c1588d04597ff6ef2986ff7e8c236fd9

            SHA1

            d433792785b9cf2ea6f4a0cf52811e3e8ba0c51e

            SHA256

            48655dcd73a09d4eb2c2e4fa394016d6776b819ba5a3ff1472ff7fccb1c46066

            SHA512

            306801673868b2a7e2bc9884f9d9a9735cd878de888536dfa26faec0a0dccc9d230ddbf2d98253c6cef2aef52384f8b4bd56b061c7148decbab33b3f649cc909

          • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

            Filesize

            342B

            MD5

            d786cbfdc31087f59de23d769984d01b

            SHA1

            813924032840ac960129bdb67b70dbaa1d1df364

            SHA256

            77c7f61c335e139d0c45b1b20bc7d1e605a6340c6aff890912a85ab3e28f3dc2

            SHA512

            c197a068ac5d31338d0efdb6a8cf85e61c7e814b25637cd7477c43a7e8231788f6d1e63c394d6fa86a2bb9dcbbe75e864028547c96199b07a60eb9ee6320aaa4

          • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\EDC238BFF48A31D55A97E1E93892934B_C31B2498754E340573F1336DE607D619

            Filesize

            400B

            MD5

            f9fffe43680bb308a85bed8ba8f18298

            SHA1

            6807998860a7d044db77bcafe525c4bacf490faf

            SHA256

            908e23cacaea493b5c0121d4cb97af7a4baa1409d7318ea4b1929f1d77197d48

            SHA512

            6a2491102dfea75fe562711c96c55fbd8c9b5002352f28583e2898230a3bc5960802db5c286b26d4fd8d6682a0145733ef278cf6a25531ad6dd64679358b273b

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\40WV1DY9\76561199768374681[1].htm

            Filesize

            33KB

            MD5

            c6fb643d5eaeb999eebec9420fc5e54b

            SHA1

            64cab0187073d411bbeb036e0e54ea8c9ecb4592

            SHA256

            533eeca8a85f156c9fb23ef60dc899b6a6e89f8866722aaa9e7c8b0d3aeb6882

            SHA512

            6a90ddb07aae74bdd852b1113d3ad956342bc1897e5309a0c26cc872d7a3bc889d6d528663c129e42e52cbdeab974cdd7620e48fbafe56ff7c84b52c3cb13bcd

          • C:\Users\Admin\AppData\Local\Temp\CabBB94.tmp

            Filesize

            70KB

            MD5

            49aebf8cbd62d92ac215b2923fb1b9f5

            SHA1

            1723be06719828dda65ad804298d0431f6aff976

            SHA256

            b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

            SHA512

            bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

          • C:\Users\Admin\AppData\Local\Temp\TarBBA6.tmp

            Filesize

            181KB

            MD5

            4ea6026cf93ec6338144661bf1202cd1

            SHA1

            a1dec9044f750ad887935a01430bf49322fbdcb7

            SHA256

            8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

            SHA512

            6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

          • \ProgramData\DBFIDGIIIJ.exe

            Filesize

            322KB

            MD5

            a5098dee7d78acfb0294523855906aad

            SHA1

            5f44ca3f038456d07f7702cf061e7dad0039a8fb

            SHA256

            b07e6681aedf25d80c36bb0cb362d3d9c22c17a42d03e42e0d2413ad1be1a4c2

            SHA512

            b962efb2830b82e3cb4e39e3bd09ae68211dc0842ebd3c497e9425fcdd8ffb6eb09ca29386bf80fe9487346979592cbbc0f14c71e81129faf5ffd6f544226552

          • \ProgramData\mozglue.dll

            Filesize

            593KB

            MD5

            c8fd9be83bc728cc04beffafc2907fe9

            SHA1

            95ab9f701e0024cedfbd312bcfe4e726744c4f2e

            SHA256

            ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

            SHA512

            fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

          • \ProgramData\nss3.dll

            Filesize

            2.0MB

            MD5

            1cc453cdf74f31e4d913ff9c10acdde2

            SHA1

            6e85eae544d6e965f15fa5c39700fa7202f3aafe

            SHA256

            ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

            SHA512

            dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

          • memory/904-502-0x0000000072FDE000-0x0000000072FDF000-memory.dmp

            Filesize

            4KB

          • memory/904-503-0x0000000001150000-0x00000000011A4000-memory.dmp

            Filesize

            336KB

          • memory/1520-7-0x0000000074350000-0x0000000074A3E000-memory.dmp

            Filesize

            6.9MB

          • memory/1520-0-0x000000007435E000-0x000000007435F000-memory.dmp

            Filesize

            4KB

          • memory/1520-332-0x0000000074350000-0x0000000074A3E000-memory.dmp

            Filesize

            6.9MB

          • memory/1520-1-0x0000000001020000-0x000000000106A000-memory.dmp

            Filesize

            296KB

          • memory/2152-386-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2152-429-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2152-200-0x00000000209C0000-0x0000000020C1F000-memory.dmp

            Filesize

            2.4MB

          • memory/2152-215-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2152-234-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2152-162-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2152-20-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2152-23-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2152-363-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2152-367-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2152-5-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2152-181-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2152-448-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2152-8-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2152-10-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2152-12-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2152-13-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2152-3-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2152-18-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2152-16-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2152-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

            Filesize

            4KB

          • memory/2152-601-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2172-553-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2172-551-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2172-555-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2172-559-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2172-562-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2172-563-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2172-565-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2172-557-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2172-773-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2172-706-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2172-725-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2172-744-0x00000000201D0000-0x000000002042F000-memory.dmp

            Filesize

            2.4MB

          • memory/2172-754-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2472-539-0x0000000000310000-0x000000000035A000-memory.dmp

            Filesize

            296KB