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Analysis

  • max time kernel
    94s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/09/2024, 04:35

General

  • Target

    file.exe

  • Size

    293KB

  • MD5

    6d1999f1096cee3f06507e0d896d7c4a

  • SHA1

    947cde63e799d23622468caecd0172a4ce8e8c17

  • SHA256

    6f8b44c727d44c82461e3e33098a1d93517bd200c4489120914f34e22715309c

  • SHA512

    eb46aa64facd4456eaad1b24ee158b9e7bd5426580caf1ca4d5cd24fe08127612b8fcb2e1cedd054daff85e315d3942fb75bc5959c89baadf832d70a8a0982b1

  • SSDEEP

    6144:GjLJez4cSDiETFuowGsIceEprDhXEW0EP2YhkkaLr5GiHIHmhjwBIwEO:Gjdo4cQlUowGLzEJDh0HJXkUUioH8jlI

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 17 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 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
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of WriteProcessMemory 44 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4988
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:3596
      • 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
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:564
        • C:\ProgramData\DAKEBAKFHC.exe
          "C:\ProgramData\DAKEBAKFHC.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4164
          • 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:1908
        • C:\ProgramData\DGCAAFBFBK.exe
          "C:\ProgramData\DGCAAFBFBK.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1856
          • 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:3608
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\BGIJDGCAEBFI" & exit
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3544
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 10
            4⤵
            • System Location Discovery: System Language Discovery
            • Delays execution with timeout.exe
            PID:5072

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\DAAFBAKECAEG\JDAFHC

      Filesize

      160KB

      MD5

      f310cf1ff562ae14449e0167a3e1fe46

      SHA1

      85c58afa9049467031c6c2b17f5c12ca73bb2788

      SHA256

      e187946249cd390a3c1cf5d4e3b0d8f554f9acdc416bf4e7111fff217bb08855

      SHA512

      1196371de08c964268c44103ccaed530bda6a145df98e0f480d8ee5ad58cb6fb33ca4c9195a52181fe864726dcf52e6a7a466d693af0cda43400a3a7ef125fad

    • C:\ProgramData\DAKEBAKFHC.exe

      Filesize

      355KB

      MD5

      731a25a9b1f2c31056f7bd75c71deac4

      SHA1

      ac95005a75add78f8226e553ff3bb32bcfeef1ea

      SHA256

      d0285d1ff85d7ef17ce9e3c0b185bd93624d6fde47a2cf0ec99a8cfd4a7afb0d

      SHA512

      efccfa84482c3a262c2efe9d5107a22a94efae352a46d01c0c677266835bb1d4b04a105ff7b94c5042640d40672576512ca06201260a5ee82257c7f524304fa4

    • C:\ProgramData\DGCAAFBFBK.exe

      Filesize

      293KB

      MD5

      6d1999f1096cee3f06507e0d896d7c4a

      SHA1

      947cde63e799d23622468caecd0172a4ce8e8c17

      SHA256

      6f8b44c727d44c82461e3e33098a1d93517bd200c4489120914f34e22715309c

      SHA512

      eb46aa64facd4456eaad1b24ee158b9e7bd5426580caf1ca4d5cd24fe08127612b8fcb2e1cedd054daff85e315d3942fb75bc5959c89baadf832d70a8a0982b1

    • 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

      912f27bcbbbdd339d73baf2ecec184e7

      SHA1

      de4c42adf7c06de811958807014887a4c0d41c95

      SHA256

      ac4301cf80e1320cc836f85d90d28221a50ec57e6129b195acf0cb00df5d18b2

      SHA512

      3315247d610e70893844af18d903d1010e0d9df7dc3dcaee2b83e4d52fd52910e2623cdcb5e33bc8e8253129914091e20a7a35d51b500fdf4eba2c48da83fcd8

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

      Filesize

      2KB

      MD5

      9541342916b0c5b0ee2f6062398b867f

      SHA1

      46fc51b5aa29f366ef96946c16cbe9b7f67c9392

      SHA256

      e6548a38d5a516be84c393b45ce4a1577e4bbd6bb40aad980237037fe0e5a740

      SHA512

      d763f9f0676bb94f8211aae463896cf1c545531c1c43ee9d60272427c3a7ea56dc332e8e4a08c570a87bc26908de326ef0f196da8ad79051f6cad2dfcd0579aa

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

      Filesize

      1KB

      MD5

      8515f6b60a6e8becf75da139b0767c36

      SHA1

      a926e7923af47636662c56e51ec8e0485d0e7b61

      SHA256

      42f8b46499f0f8fd94833336b4bdc1e908cb2b6b719d72229764bef52b80a6d6

      SHA512

      67450b06ebcc344b6eee9e5913a741161b1cf081cdb0d4ea5a6224735b2d490c46f1cb4783299265ec13212672af49de8b271b284951c9c229c700468ed322d2

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

      Filesize

      458B

      MD5

      c4ab55fd4d957035b37da2a21cccbbc7

      SHA1

      b89809cec0018bf81fba0b945a8b596852f20696

      SHA256

      bd36f54fca4f730d8678a793b67c8b7922f1588802a926d52570b9377108f124

      SHA512

      cdf7f6d04c8766fdb60746a8b9fde2aeadb79d863af175295fc351c389a4d127bddd0dd15337ca78473132e98b8dce8e28be430b1762fb605cbc2090f3851cf9

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

      Filesize

      450B

      MD5

      c7bfec0d41db724efc571928957700f5

      SHA1

      4446dbb3fb9315b276708a3940f10fc2049e76fd

      SHA256

      8a1f9375c9dbda6a31a89273ab2c65cbd4806359446f9ed006735377dcc423d8

      SHA512

      3fa4f2361a25e75da87ee45e75505f18abcdfa6bf76d17382e3d2345c0a5ae09a4798263cd0d4292c4b3e285067ba3d3a37f04b522b208b212aa224fb38a17d0

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

      Filesize

      458B

      MD5

      0046b63a6f39ef836cf0fb9bfdf54f7c

      SHA1

      a86fd982663786ec0e88dd5181da1f71f1c1bc12

      SHA256

      009b07dc94d80a46b6df861f70a8e55d52dc94243649b7fd39a037d32b695d90

      SHA512

      9c14530785785a07cf6043712120feb1d1c194d2954486b292ea1485733502cb3addc75a24d629c8df8e1e08e421c5c250afbddf6c2a235413b54c55b11c02c2

    • memory/564-27-0x0000000022390000-0x00000000225EF000-memory.dmp

      Filesize

      2.4MB

    • memory/564-58-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/564-60-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/564-59-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/564-42-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/564-4-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/564-84-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/564-85-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/564-92-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/564-93-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/564-26-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/564-8-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/564-10-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/564-25-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/1908-120-0x0000000000400000-0x000000000045D000-memory.dmp

      Filesize

      372KB

    • memory/1908-123-0x0000000000400000-0x000000000045D000-memory.dmp

      Filesize

      372KB

    • memory/1908-117-0x0000000000400000-0x000000000045D000-memory.dmp

      Filesize

      372KB

    • memory/3608-151-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/3608-168-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/3608-167-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/3608-153-0x0000000022560000-0x00000000227BF000-memory.dmp

      Filesize

      2.4MB

    • memory/3608-152-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/4164-113-0x0000000071E1E000-0x0000000071E1F000-memory.dmp

      Filesize

      4KB

    • memory/4164-114-0x00000000009A0000-0x00000000009FA000-memory.dmp

      Filesize

      360KB

    • memory/4164-115-0x0000000071E10000-0x00000000725C0000-memory.dmp

      Filesize

      7.7MB

    • memory/4164-122-0x0000000071E10000-0x00000000725C0000-memory.dmp

      Filesize

      7.7MB

    • memory/4164-169-0x0000000071E10000-0x00000000725C0000-memory.dmp

      Filesize

      7.7MB

    • memory/4988-0-0x0000000074A3E000-0x0000000074A3F000-memory.dmp

      Filesize

      4KB

    • memory/4988-2-0x0000000074A30000-0x00000000751E0000-memory.dmp

      Filesize

      7.7MB

    • memory/4988-6-0x0000000074A30000-0x00000000751E0000-memory.dmp

      Filesize

      7.7MB

    • memory/4988-13-0x0000000074A30000-0x00000000751E0000-memory.dmp

      Filesize

      7.7MB

    • memory/4988-1-0x0000000000420000-0x000000000046A000-memory.dmp

      Filesize

      296KB