Analysis

  • max time kernel
    147s
  • max time network
    150s
  • 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 05:32

General

  • Target

    05d5d2f7e1270d38d47870c349d22a7e02c9682ba123b1b5e8ae1aa4e3554087.exe

  • Size

    283KB

  • MD5

    e1001c8649ac77faeb446d8ff91f50d2

  • SHA1

    c2532c7b108ac61ca439cfd0a7992b26c89dc34b

  • SHA256

    05d5d2f7e1270d38d47870c349d22a7e02c9682ba123b1b5e8ae1aa4e3554087

  • SHA512

    a55bfa7eafca3306e51bd0e1100e46ea407f4451332fcce2772788a25e77d9b968a2ffc934cc05fc9117a1ab8ddade1f15e61cdd35341ee8d977721bb4fb178f

  • SSDEEP

    6144:ZORZ5iWXTuglvdAAOFwTE6ybVykLN0C+gpQzmjoqPI1o7JFVn/DbyH0EO:ZQZ5iWZxOeTiVMCxQSjohqtF1yUEO

Malware Config

Extracted

Family

vidar

C2

http://147.45.126.10:80

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 19 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 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
  • 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 8 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 44 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\05d5d2f7e1270d38d47870c349d22a7e02c9682ba123b1b5e8ae1aa4e3554087.exe
    "C:\Users\Admin\AppData\Local\Temp\05d5d2f7e1270d38d47870c349d22a7e02c9682ba123b1b5e8ae1aa4e3554087.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2948
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:5516
      • 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:5056
        • C:\ProgramData\HJDBAFIECG.exe
          "C:\ProgramData\HJDBAFIECG.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1716
          • 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:2716
        • C:\ProgramData\IIEBKJECFC.exe
          "C:\ProgramData\IIEBKJECFC.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2084
          • 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:4844
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\CGIEBAFHJJDB" & exit
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1152
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 10
            4⤵
            • System Location Discovery: System Language Discovery
            • Delays execution with timeout.exe
            PID:4808

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\CGDBGCBGIDHC\IIEGHJ

      Filesize

      160KB

      MD5

      f310cf1ff562ae14449e0167a3e1fe46

      SHA1

      85c58afa9049467031c6c2b17f5c12ca73bb2788

      SHA256

      e187946249cd390a3c1cf5d4e3b0d8f554f9acdc416bf4e7111fff217bb08855

      SHA512

      1196371de08c964268c44103ccaed530bda6a145df98e0f480d8ee5ad58cb6fb33ca4c9195a52181fe864726dcf52e6a7a466d693af0cda43400a3a7ef125fad

    • C:\ProgramData\HJDBAFIECG.exe

      Filesize

      283KB

      MD5

      e1001c8649ac77faeb446d8ff91f50d2

      SHA1

      c2532c7b108ac61ca439cfd0a7992b26c89dc34b

      SHA256

      05d5d2f7e1270d38d47870c349d22a7e02c9682ba123b1b5e8ae1aa4e3554087

      SHA512

      a55bfa7eafca3306e51bd0e1100e46ea407f4451332fcce2772788a25e77d9b968a2ffc934cc05fc9117a1ab8ddade1f15e61cdd35341ee8d977721bb4fb178f

    • C:\ProgramData\IIEBKJECFC.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

      8d47da4227341e616eea48814aa48810

      SHA1

      9f3a264cfd0c2794b4a19973d3d8508effcdeba7

      SHA256

      1d6880061408e43cd35cbe82809e209ccaed087817e4379b3f921a7a6fe51abd

      SHA512

      e2224571f05f6f3982c8947182f79c42b2f2452abb7d8324b2f47f66b68e9dced73981fe89c7b83010c32d83c525986f06f9dfdf15bb93dc857bbbcc17b52a5d

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

      Filesize

      2KB

      MD5

      05950467d6bb53f31485957bd508f7a8

      SHA1

      635d37ed86923cf5c87d7eb545c935bbbefa2333

      SHA256

      474f4c5452da4229971602a70de7b7797523544d7d131906d91d2589c3e27d8d

      SHA512

      d47f91ffd51999e0b98090e7115dd7905758b2537fdb6a70793859fa62fb1997735069e4e5fdd24af8842e9fc94785a4137cc04c43f8673e4154fb56ba0af07d

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

      Filesize

      1KB

      MD5

      b7ceb19f15d5f0cffc3792522413917d

      SHA1

      551a26f3ee21d09c54e06b2a40c143065991b056

      SHA256

      5211ff21f2723b9778213b7f119c99c948b1885487cc7ee5a328b6e3092bfbf5

      SHA512

      7f35e902d25c642d58796378acf916687a0de14d6e435ef9e79f083809acef076488ad0a3d8d5eab4a8616455d716646f8a2b66fb4fd32ad7ae3233d8d7a219d

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

      Filesize

      458B

      MD5

      2491752490c840c6c3a1561beb556b5a

      SHA1

      b743d056b872949354369df37ba90625d6f32f9e

      SHA256

      5f76e62775c91e8619467185264d004dd93fccf3e68ca13fa1a8dea6333484d2

      SHA512

      75d5604872d2aa8fcd8cf61df7e211ca8a27c65ea123cd3c759762667c8457919abd760176a94f71a959dcb87e2786e4576fc100ef4c2c0141a250ecdf0c6567

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

      Filesize

      450B

      MD5

      b916c454aa0508eddb4f12fb9e73fbfc

      SHA1

      827ecc67acd78a14391cb17a28c91327ebb9cfc7

      SHA256

      4b0e480bce049eaf3b74e8c0e846367a407a012168a7ab80ebd2b8f0865e89c3

      SHA512

      3cf12186c81f83549d70eec4f018380e00e4b7708bacf422d73125e48141048f8b52f010c1730e4ab2b3e8fd6a9818092d823128b2cc268f16312ef33402fa34

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

      Filesize

      458B

      MD5

      8e216f628c8172d73a9bebbca55cb053

      SHA1

      d698f00de6875ed3467f38019bc19f7c28c07153

      SHA256

      e53476f4389cd785526d9ef7dea6401cb50d579041288fd7107cb5c5fd1f34b5

      SHA512

      26058e37fb9beb3f4dfe986cbfc23c881dfcc18e3f4983a3530bee895355ef708e0bfd7693fbd80dce1415100de5869716a91524c3bd8f5ed85929470c7b77ba

    • memory/1716-114-0x00000000725FE000-0x00000000725FF000-memory.dmp

      Filesize

      4KB

    • memory/1716-123-0x00000000725F0000-0x0000000072DA1000-memory.dmp

      Filesize

      7.7MB

    • memory/2084-138-0x0000000000AF0000-0x0000000000B44000-memory.dmp

      Filesize

      336KB

    • memory/2716-169-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2716-124-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2716-153-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2716-154-0x0000000022730000-0x000000002298F000-memory.dmp

      Filesize

      2.4MB

    • memory/2716-151-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2716-168-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2716-152-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2948-1-0x0000000000C20000-0x0000000000C6A000-memory.dmp

      Filesize

      296KB

    • memory/2948-11-0x0000000075220000-0x00000000759D1000-memory.dmp

      Filesize

      7.7MB

    • memory/2948-0-0x000000007522E000-0x000000007522F000-memory.dmp

      Filesize

      4KB

    • memory/2948-67-0x0000000075220000-0x00000000759D1000-memory.dmp

      Filesize

      7.7MB

    • memory/4844-140-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/4844-144-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/4844-142-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/5056-8-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/5056-3-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/5056-6-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/5056-94-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/5056-93-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/5056-86-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/5056-85-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/5056-25-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/5056-60-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/5056-59-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/5056-43-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/5056-42-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/5056-27-0x0000000020090000-0x00000000202EF000-memory.dmp

      Filesize

      2.4MB

    • memory/5056-26-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB