Analysis

  • max time kernel
    135s
  • max time network
    136s
  • 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 05:07

General

  • Target

    file.exe

  • Size

    293KB

  • MD5

    849e7d206dc382c53e6b1947f55e7ada

  • SHA1

    82e990d981279f85c29e6bb0bcaff8f340685964

  • SHA256

    3493ca80cb445940439578b4535ce772ced104d2de1c2ce35f203422d325508f

  • SHA512

    4c891fe3418ea839bf7b4610a5879432d83f5aad746aef3ceb5ff5c43e3ea01f0b0fcd820078f27a464c5e664dd62bc5bd73f1fbca519679cdf085143505d908

  • SSDEEP

    6144:+L3eSCmxdvcT6WUZJp1tQf+omj06nAP2mfAFyEO:sem/YU10KjAP2BFyEO

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 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 53 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:4680
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:1560
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        2⤵
          PID:1456
        • 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:860
          • C:\ProgramData\JDGIECGIEB.exe
            "C:\ProgramData\JDGIECGIEB.exe"
            3⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:4460
            • 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:2420
          • C:\ProgramData\IIJEBAECGC.exe
            "C:\ProgramData\IIJEBAECGC.exe"
            3⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:776
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
              4⤵
                PID:3628
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                4⤵
                  PID:4832
                • 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:3492
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\KEHDHIDAEHCF" & exit
                3⤵
                • System Location Discovery: System Language Discovery
                • Suspicious use of WriteProcessMemory
                PID:2788
                • C:\Windows\SysWOW64\timeout.exe
                  timeout /t 10
                  4⤵
                  • System Location Discovery: System Language Discovery
                  • Delays execution with timeout.exe
                  PID:440

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\ProgramData\GDBKKFHIEGDH\DBFIEH

            Filesize

            160KB

            MD5

            f310cf1ff562ae14449e0167a3e1fe46

            SHA1

            85c58afa9049467031c6c2b17f5c12ca73bb2788

            SHA256

            e187946249cd390a3c1cf5d4e3b0d8f554f9acdc416bf4e7111fff217bb08855

            SHA512

            1196371de08c964268c44103ccaed530bda6a145df98e0f480d8ee5ad58cb6fb33ca4c9195a52181fe864726dcf52e6a7a466d693af0cda43400a3a7ef125fad

          • C:\ProgramData\IIJEBAECGC.exe

            Filesize

            293KB

            MD5

            6d1999f1096cee3f06507e0d896d7c4a

            SHA1

            947cde63e799d23622468caecd0172a4ce8e8c17

            SHA256

            6f8b44c727d44c82461e3e33098a1d93517bd200c4489120914f34e22715309c

            SHA512

            eb46aa64facd4456eaad1b24ee158b9e7bd5426580caf1ca4d5cd24fe08127612b8fcb2e1cedd054daff85e315d3942fb75bc5959c89baadf832d70a8a0982b1

          • C:\ProgramData\JDGIECGIEB.exe

            Filesize

            355KB

            MD5

            731a25a9b1f2c31056f7bd75c71deac4

            SHA1

            ac95005a75add78f8226e553ff3bb32bcfeef1ea

            SHA256

            d0285d1ff85d7ef17ce9e3c0b185bd93624d6fde47a2cf0ec99a8cfd4a7afb0d

            SHA512

            efccfa84482c3a262c2efe9d5107a22a94efae352a46d01c0c677266835bb1d4b04a105ff7b94c5042640d40672576512ca06201260a5ee82257c7f524304fa4

          • 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

            7a7c88293feecdc17c4f0e961138f26f

            SHA1

            1eac62e277136dbc1f30e0195c414c703e34724d

            SHA256

            c47430c7fc0223385b25477e7672d08650e4f6fe613043d33813a85a1b843a96

            SHA512

            4803244301f1940b1425a63ae3b53294fa6f1913e7ebaaf403a00351dfcc3a85bfb2ac49e909fc529f8be0e1dc14db804c21ba94025c2b5139ea7a5f997f9682

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

            Filesize

            450B

            MD5

            154031c069b09c9eb906446e3440d8ad

            SHA1

            af23ccb5d12ab77c5670932b8bdf068a4e10df67

            SHA256

            b429135245baf2e3856735ec4ca9c450764020066fd62b7e88692b4315918258

            SHA512

            424b106f6e5c256dcaa55a7b4dcb9eefccc8e40a4701516800c50efff7ddc0fb1107b0edc7584f282d97d1c726c761949c1990890588b130bfe16488a2090b18

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

            Filesize

            458B

            MD5

            6783140502bd31ab84355545807b2eeb

            SHA1

            67709fbcb576c69430c3315cfefba623ddd9dcdd

            SHA256

            cb956728c89703bbe7e0cc91de64172e0c2e2e4883794006e8067d58bd40649d

            SHA512

            848ceeaee2ed945152deb3a294de5a0f1ea815a3a896d4006056d8b02bc6d233d80f99c5eebf16f3ff8cdaaa0ae3c6fa79e50b0b58c63325ccd1d08bdcdee0cd

          • memory/776-137-0x0000000000460000-0x00000000004AA000-memory.dmp

            Filesize

            296KB

          • memory/860-11-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/860-28-0x0000000022240000-0x000000002249F000-memory.dmp

            Filesize

            2.4MB

          • memory/860-60-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/860-43-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/860-42-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/860-84-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/860-85-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/860-92-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/860-93-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/860-59-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/860-26-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/860-25-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/860-9-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/860-4-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2420-117-0x0000000000400000-0x000000000045D000-memory.dmp

            Filesize

            372KB

          • memory/2420-120-0x0000000000400000-0x000000000045D000-memory.dmp

            Filesize

            372KB

          • memory/2420-123-0x0000000000400000-0x000000000045D000-memory.dmp

            Filesize

            372KB

          • memory/3492-141-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/3492-152-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/3492-139-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/3492-143-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/3492-169-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/3492-168-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/3492-154-0x0000000022250000-0x00000000224AF000-memory.dmp

            Filesize

            2.4MB

          • memory/3492-153-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/4460-115-0x00000000735F0000-0x0000000073DA0000-memory.dmp

            Filesize

            7.7MB

          • memory/4460-114-0x0000000000A70000-0x0000000000ACA000-memory.dmp

            Filesize

            360KB

          • memory/4460-113-0x00000000735FE000-0x00000000735FF000-memory.dmp

            Filesize

            4KB

          • memory/4460-122-0x00000000735F0000-0x0000000073DA0000-memory.dmp

            Filesize

            7.7MB

          • memory/4460-170-0x00000000735F0000-0x0000000073DA0000-memory.dmp

            Filesize

            7.7MB

          • memory/4680-6-0x0000000074760000-0x0000000074F10000-memory.dmp

            Filesize

            7.7MB

          • memory/4680-2-0x0000000074760000-0x0000000074F10000-memory.dmp

            Filesize

            7.7MB

          • memory/4680-7-0x0000000074760000-0x0000000074F10000-memory.dmp

            Filesize

            7.7MB

          • memory/4680-1-0x0000000000EC0000-0x0000000000F0A000-memory.dmp

            Filesize

            296KB

          • memory/4680-0-0x000000007476E000-0x000000007476F000-memory.dmp

            Filesize

            4KB