Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-09-2024 01:35

General

  • Target

    d574de9b5d8f74451207c6b4f2b6f63e1b58f8d8f50dc03a722638c866a41f50.exe

  • Size

    135KB

  • MD5

    458d31ecc5a490d5bda8d52e7ca8a5b6

  • SHA1

    213aac6538f2d98169f655d2252a13f50e6f31a5

  • SHA256

    d574de9b5d8f74451207c6b4f2b6f63e1b58f8d8f50dc03a722638c866a41f50

  • SHA512

    a3dfdf74773a7f195e26e4225f79394664d808777f50cbadc4571e36b55aab8c4c6864fbc02ab83378aa1904a403ef2915c98585d541f0babb324b28bf56bb2b

  • SSDEEP

    3072:f5zF1UvqLHTCCrSIpnwF8vIzKJjGjssSDrI8pSQbAAmVBVa5GKYzEO:71zLN+WvnHsSv1zJmV2SEO

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 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 3 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.

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • 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).

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 9 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 45 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d574de9b5d8f74451207c6b4f2b6f63e1b58f8d8f50dc03a722638c866a41f50.exe
    "C:\Users\Admin\AppData\Local\Temp\d574de9b5d8f74451207c6b4f2b6f63e1b58f8d8f50dc03a722638c866a41f50.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3028
    • 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
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1908
      • C:\Users\Admin\AppData\Local\Temp\TempFolder\downloaded_file.exe
        "C:\Users\Admin\AppData\Local\Temp\TempFolder\downloaded_file.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3832
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          4⤵
          • 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:4836
          • C:\ProgramData\ECGHJJEHDH.exe
            "C:\ProgramData\ECGHJJEHDH.exe"
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:3648
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 3648 -s 876
              6⤵
              • Program crash
              PID:2044
          • C:\ProgramData\AEBAKJDGHI.exe
            "C:\ProgramData\AEBAKJDGHI.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:5088
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
              6⤵
              • System Location Discovery: System Language Discovery
              • Checks processor information in registry
              • Suspicious behavior: EnumeratesProcesses
              PID:4084
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\FBFCFIEBKEGH" & exit
            5⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:3428
            • C:\Windows\SysWOW64\timeout.exe
              timeout /t 10
              6⤵
              • System Location Discovery: System Language Discovery
              • Delays execution with timeout.exe
              PID:2472
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3648 -ip 3648
    1⤵
      PID:3596

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\AEBAKJDGHI.exe

      Filesize

      283KB

      MD5

      ac7314c596e766b8f4f368579e2e0f8f

      SHA1

      0e4941e5e4299d04b9408194542c7362bcabcd2f

      SHA256

      be442a04bc031b4dc72835efeeeb025e9a103c8012382173965fba30bd3a96b9

      SHA512

      4258b6d15cd1c87d1787507f9132e5cf2caebfbf46dd055950dec8bb55faa094571d5b88cc58078adbab49f72fd3439f14ccae04de3d4bde672a540699a49428

    • C:\ProgramData\DAAECAFHDBGI\JEHIID

      Filesize

      160KB

      MD5

      f310cf1ff562ae14449e0167a3e1fe46

      SHA1

      85c58afa9049467031c6c2b17f5c12ca73bb2788

      SHA256

      e187946249cd390a3c1cf5d4e3b0d8f554f9acdc416bf4e7111fff217bb08855

      SHA512

      1196371de08c964268c44103ccaed530bda6a145df98e0f480d8ee5ad58cb6fb33ca4c9195a52181fe864726dcf52e6a7a466d693af0cda43400a3a7ef125fad

    • C:\ProgramData\ECGHJJEHDH.exe

      Filesize

      322KB

      MD5

      a5098dee7d78acfb0294523855906aad

      SHA1

      5f44ca3f038456d07f7702cf061e7dad0039a8fb

      SHA256

      b07e6681aedf25d80c36bb0cb362d3d9c22c17a42d03e42e0d2413ad1be1a4c2

      SHA512

      b962efb2830b82e3cb4e39e3bd09ae68211dc0842ebd3c497e9425fcdd8ffb6eb09ca29386bf80fe9487346979592cbbc0f14c71e81129faf5ffd6f544226552

    • 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

      f3996f922326413e2e955f3774434d01

      SHA1

      a68789fa985ebfab0c61bbee12098e404288cded

      SHA256

      34a9640d4292dbc5d1fee85322b3c457eb2ee28284618a602ec936de9a104200

      SHA512

      34b7c1c1e5bdaa7da31887fce2b8069203922599824fd28e1db53cd0ebd343118c7899f56159eeb0500c96ca0ba4e9f28a6695f8032ca4acb4ee17204b746376

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

      Filesize

      2KB

      MD5

      e2e9309062d386d7fec2730d865be1b3

      SHA1

      30dbe40a07dd56429b70601ff35c954d78ee99b9

      SHA256

      01459ba654c52454a8dae37f078fffc280d3a13b55837fd82d05a9c902e88ebb

      SHA512

      46ec1842ed5b93bf5e2533ce2561b0035ff0beb8e5ce61ecb2ec7bdb13f54e38a7a44d258b6713deb5278b39a6cd8b8dff349d3a2a088f9f4014eed6262f6b63

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

      Filesize

      1KB

      MD5

      17bc873e2a1ececdb96ba865079e2f7a

      SHA1

      a44455ae9199b8f0b798ffe8952d2ce2b3cdf335

      SHA256

      aaf3cca466c1452b3c1947aebea6107b1fba212c1cf9a0bcb2f7515b2a6cccea

      SHA512

      cc0b2d9cd308ec3b289e67f8041a633099a69705587fd042201a3d2badc3cebdf18a971997fb9c3148ee9a016385f4657f74029bc47770e61c1b2c0c63f4adac

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

      Filesize

      458B

      MD5

      b5a94df2b27c9ac337831cd8253b21c7

      SHA1

      fc8f9b212f64856decd816bf6e285568d49d48f4

      SHA256

      d2dfffe30f232edaac9c4d4ddb20017d1fbacc1bb6f1f12015002652c008ab75

      SHA512

      4a79686d2d1037e192b972673765539ae0ab3d7079cfdc676cf24394ad2142a1ce680de067b52357a4b36ef2daf88e29574c169a88d8c0e649eab9e13c29c3a6

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

      Filesize

      450B

      MD5

      03c25123d94dff31bc32244da149abec

      SHA1

      234d263a0d5642ee48fa8ddb3c4f75ebef9a0ae4

      SHA256

      d2cdc7c8cd8cd0bc73ab4a5b8bdeb1d12e6f4ae84d156ad2522550c4f2e69491

      SHA512

      c9315afc8b4cbbe12e8bddfceb411ae4acb4a0109f69652d8aa863851e735cd7c66d99c582d1d834b920077c7f64ee21f3e5bf84f6132138e8240d6672e1b65d

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

      Filesize

      458B

      MD5

      87e02cc04c35d6b1eea65b5e6dcd569a

      SHA1

      31bb5a93ac1283eb3e3b5b074f1858bb10a8b61a

      SHA256

      45eb27498fc37801173ec18564038352c1c918421ff6f137812016db5f9667cb

      SHA512

      cd2d2301bad25fe587ea783e870212e8c01c0d21b214d7fec5eb4a286adbdab76f6d1bd46df886ed8ce14f87ad9cd7e7457816793a118aedd037794baf1b1697

    • C:\Users\Admin\AppData\Local\Temp\TempFolder\downloaded_file.exe

      Filesize

      283KB

      MD5

      570f9923f42d17f4bd778860dafb71f8

      SHA1

      7bfcbf9992daaa0170183cc1b95cd63f6662e8ae

      SHA256

      bba545f6548a550f414fde4684ec52fbfa09a4f899ebf9ca94ec7ffc21ca519a

      SHA512

      ee2ab17af96c011ccd2d1a57b635990f62b85be32f80948ff3d50e9ce0c7a2cdd7416f815de31bbce3cc3b82d0cd6ce8310d7fa41ff0afe769b5c1b482eb003f

    • memory/1908-22-0x0000000000400000-0x0000000000421000-memory.dmp

      Filesize

      132KB

    • memory/1908-9-0x0000000000400000-0x0000000000421000-memory.dmp

      Filesize

      132KB

    • memory/1908-7-0x0000000000400000-0x0000000000421000-memory.dmp

      Filesize

      132KB

    • memory/1908-6-0x0000000000400000-0x0000000000421000-memory.dmp

      Filesize

      132KB

    • memory/1908-4-0x0000000000400000-0x0000000000421000-memory.dmp

      Filesize

      132KB

    • memory/3028-0-0x000000007444E000-0x000000007444F000-memory.dmp

      Filesize

      4KB

    • memory/3028-1-0x00000000008A0000-0x00000000008C6000-memory.dmp

      Filesize

      152KB

    • memory/3028-2-0x0000000005780000-0x0000000005D24000-memory.dmp

      Filesize

      5.6MB

    • memory/3028-8-0x0000000074440000-0x0000000074BF0000-memory.dmp

      Filesize

      7.7MB

    • memory/3028-49-0x0000000074440000-0x0000000074BF0000-memory.dmp

      Filesize

      7.7MB

    • memory/3648-130-0x0000000000DB0000-0x0000000000E04000-memory.dmp

      Filesize

      336KB

    • memory/3832-24-0x00000000744AE000-0x00000000744AF000-memory.dmp

      Filesize

      4KB

    • memory/3832-25-0x00000000002F0000-0x000000000033A000-memory.dmp

      Filesize

      296KB

    • memory/3832-34-0x00000000744A0000-0x0000000074C50000-memory.dmp

      Filesize

      7.7MB

    • memory/4084-176-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/4084-177-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/4084-162-0x0000000022B10000-0x0000000022D6F000-memory.dmp

      Filesize

      2.4MB

    • memory/4084-150-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/4084-161-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/4084-160-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/4836-89-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/4836-65-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/4836-27-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/4836-115-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/4836-153-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/4836-108-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/4836-107-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/4836-82-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/4836-81-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/4836-116-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/4836-64-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/4836-50-0x00000000226B0000-0x000000002290F000-memory.dmp

      Filesize

      2.4MB

    • memory/4836-48-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/4836-47-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/4836-35-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/4836-30-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/5088-144-0x0000000000F40000-0x0000000000F8A000-memory.dmp

      Filesize

      296KB