Analysis

  • max time kernel
    47s
  • max time network
    143s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    11-09-2024 19:06

General

  • Target

    6b6b6dcf20260d92fbf0fd6cea9d4bdabf29e047af19ad026b58c4aaf448a67e.exe

  • Size

    282KB

  • MD5

    f33b34d0de9bb27980bc99ea468c1181

  • SHA1

    b6ddd17ceed5372febacae3d2c3b95165053fc62

  • SHA256

    6b6b6dcf20260d92fbf0fd6cea9d4bdabf29e047af19ad026b58c4aaf448a67e

  • SHA512

    e6a7083752cafcc5264ee312cc4804b646c5f9788c24905a7df689c1520552b73ebc04ff1af5ef0c0c93c026cc3249738fa194caef75ba2f9af7ea1a3f72545e

  • SSDEEP

    6144:Ms6bXo+ImXuZeO59j7MLE/Ut67PmromTk8uHc+1BagPivpNEO:MnbLBXkZ7Bc67PmkR2g6/EO

Malware Config

Extracted

Family

vidar

C2

https://t.me/edm0d

https://steamcommunity.com/profiles/76561199768374681

http://147.45.126.10:80

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 21 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 1 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 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).

  • System Location Discovery: System Language Discovery 1 TTPs 4 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 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6b6b6dcf20260d92fbf0fd6cea9d4bdabf29e047af19ad026b58c4aaf448a67e.exe
    "C:\Users\Admin\AppData\Local\Temp\6b6b6dcf20260d92fbf0fd6cea9d4bdabf29e047af19ad026b58c4aaf448a67e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3632
    • 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:1668
      • C:\ProgramData\CBKJJEHCBA.exe
        "C:\ProgramData\CBKJJEHCBA.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4588
        • 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:2388
      • C:\ProgramData\HCAEHDHDAK.exe
        "C:\ProgramData\HCAEHDHDAK.exe"
        3⤵
          PID:3012
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            4⤵
              PID:2508
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\BGDGHJEHJJDA" & exit
            3⤵
              PID:1536
              • C:\Windows\SysWOW64\timeout.exe
                timeout /t 10
                4⤵
                • Delays execution with timeout.exe
                PID:3104

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\ProgramData\AAEBAFBGIDHC\CAFIJK

          Filesize

          160KB

          MD5

          f310cf1ff562ae14449e0167a3e1fe46

          SHA1

          85c58afa9049467031c6c2b17f5c12ca73bb2788

          SHA256

          e187946249cd390a3c1cf5d4e3b0d8f554f9acdc416bf4e7111fff217bb08855

          SHA512

          1196371de08c964268c44103ccaed530bda6a145df98e0f480d8ee5ad58cb6fb33ca4c9195a52181fe864726dcf52e6a7a466d693af0cda43400a3a7ef125fad

        • C:\ProgramData\CBKJJEHCBA.exe

          Filesize

          283KB

          MD5

          e1001c8649ac77faeb446d8ff91f50d2

          SHA1

          c2532c7b108ac61ca439cfd0a7992b26c89dc34b

          SHA256

          05d5d2f7e1270d38d47870c349d22a7e02c9682ba123b1b5e8ae1aa4e3554087

          SHA512

          a55bfa7eafca3306e51bd0e1100e46ea407f4451332fcce2772788a25e77d9b968a2ffc934cc05fc9117a1ab8ddade1f15e61cdd35341ee8d977721bb4fb178f

        • C:\ProgramData\HCAEHDHDAK.exe

          Filesize

          321KB

          MD5

          94c5abd0eccd77846b4e0f641906bb19

          SHA1

          3fb0119c89952f61aee14abbe693a293ee916439

          SHA256

          863c177542f93d6e42ba2dc7633cec75da9515c39ed13915f63e9361f5cf7a6b

          SHA512

          4bbfce9f805c755380ff18cecc5a6cfeb9aeadf7140d5c612fca44cff923b57507ab01bd2b2f1389a97c0b3b41737e16732330980a9e3b02898b2c1271c7eae9

        • 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

          499fb781218e91f17ceb95c95b2540af

          SHA1

          7eaa6a1efec6586520b78e140efdb3e223ac9a5f

          SHA256

          490b98a7d88b0805c5e90caf89aece53f21997ad060734cea5ec7d38ff02bff5

          SHA512

          65dcbd4af9aafd6fc88f5e941e60802a2adb03db22164cbbefbd3cec83f066c3ff5381b323eed658af75e097b542b51d95f66ab9b36a597e19ad19cba2d807ed

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

          Filesize

          2KB

          MD5

          8647fa3218bfe81a6208ddf38d3f62b2

          SHA1

          0f4b0ec7df5f949ce3363e73587e632c223ef09c

          SHA256

          17d9aff1230b821ca5a4899b410c7a395fdbdd4efeb4eef7637aa94eda100cd1

          SHA512

          085963090453894146c66499f13079db408af57ae615f1c3237da4d3af6bd56542c95a54aa9e3df13c2c53c2a5e8eb9c460cc54b3ecc7107fbc810f09fc2aab8

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

          Filesize

          1KB

          MD5

          409753e064ef8537c278c361a2b1ebbc

          SHA1

          a28aa7a82427968cb8b2c0d91675e8374b087fe4

          SHA256

          c69ca82fa2695413ca28bc6e087ba57e9754e60d26dff82f5cc04fd1467c7ede

          SHA512

          b57b32aaf8a431ad5d9bb66ab23fbd37df5cf7ab6079e82f384cd8a367a9d92ad3b94c57c1f1310c15d321964f8757f1391d73e034e34efe113dbb674dd277a8

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

          Filesize

          458B

          MD5

          05a0ef07a0d7570b534ab66a207c1b32

          SHA1

          f13be4787653e31fda6934d45675fc12925e4b5a

          SHA256

          7b8b51822e8591c6881d61f0e84704e2869e80df053ee38bf556a70bfe9bfa66

          SHA512

          76d1ab07c55d408db5118bb1a89b4c39af079e77eef8dd44515422f999d3c3e1608fc17e39c51d65b772afedffebaec46dc07be573188384c1ab67a9cbb11a34

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

          Filesize

          450B

          MD5

          06b7af18ecc428168047256b54686cae

          SHA1

          afb549fbd8e1b6ad49e3bd45635ac55ccc0a1a37

          SHA256

          a2fb862161f8cbc18b8daf4ccbee86add92257b0e1af05ef80305ba6100f27af

          SHA512

          3c156f0efb885a2853006997bb7eedee4eea646e738843144a14e3928965339b4e38bb9379f2711dafafbd69e18d1fe6db7d4dce617baff5716e90dae0c3078b

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

          Filesize

          458B

          MD5

          b2eb63a7ead12ffdf940c2fe533969f2

          SHA1

          dce53362e10e7a3cc69b3faf93a755774664cac2

          SHA256

          57bdcfff23dec20a958d5ecb57561a6481158ebed02304821567a79c25732ed4

          SHA512

          02b96cec719c20e00a8c3d226271b906400a74ba46aae5607f905b53704644a6e92e8ba3668855b4210f4f31a072c8bb624adca21d70685bfce26bca661bce5c

        • memory/1668-68-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/1668-95-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/1668-69-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/1668-45-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/1668-31-0x0000000022380000-0x00000000225DF000-memory.dmp

          Filesize

          2.4MB

        • memory/1668-87-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/1668-88-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/1668-61-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/1668-96-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/1668-28-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/1668-27-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/1668-10-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/1668-9-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/1668-4-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2388-149-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2388-119-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2388-173-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2388-172-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2388-158-0x0000000022990000-0x0000000022BEF000-memory.dmp

          Filesize

          2.4MB

        • memory/2388-157-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2388-128-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2388-156-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2388-122-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2508-146-0x0000000000400000-0x0000000000458000-memory.dmp

          Filesize

          352KB

        • memory/2508-144-0x0000000000400000-0x0000000000458000-memory.dmp

          Filesize

          352KB

        • memory/2508-148-0x0000000000400000-0x0000000000458000-memory.dmp

          Filesize

          352KB

        • memory/3012-142-0x0000000000D00000-0x0000000000D54000-memory.dmp

          Filesize

          336KB

        • memory/3632-0-0x0000000074A3E000-0x0000000074A3F000-memory.dmp

          Filesize

          4KB

        • memory/3632-29-0x0000000074A30000-0x00000000751E1000-memory.dmp

          Filesize

          7.7MB

        • memory/3632-13-0x0000000074A30000-0x00000000751E1000-memory.dmp

          Filesize

          7.7MB

        • memory/3632-1-0x0000000000780000-0x00000000007CA000-memory.dmp

          Filesize

          296KB

        • memory/4588-117-0x00000000009F0000-0x0000000000A3A000-memory.dmp

          Filesize

          296KB

        • memory/4588-116-0x00000000719CE000-0x00000000719CF000-memory.dmp

          Filesize

          4KB

        • memory/4588-127-0x00000000719C0000-0x0000000072171000-memory.dmp

          Filesize

          7.7MB

        • memory/4588-126-0x00000000719C0000-0x0000000072171000-memory.dmp

          Filesize

          7.7MB