Analysis

  • max time kernel
    148s
  • 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 01:11

General

  • Target

    434f2dc20a710077ba861c9a118223c51f04662d6edcb492812c6468e4cede48.exe

  • Size

    283KB

  • MD5

    0d2bcf6e8f35ef48b85b997e23fbec5f

  • SHA1

    3d1bac7342eff07e1f5682e7ad591f0be2eff9d4

  • SHA256

    434f2dc20a710077ba861c9a118223c51f04662d6edcb492812c6468e4cede48

  • SHA512

    3be9df19930613b864daa5f903dafddad3e758fe4cf8863b69b7b43a7b3222601800543b7c8d0ef8063a3e01af702a1bd04f04edb391091314f10d5f98861350

  • SSDEEP

    6144:AA0VuptENYAdPF3ghtSgrFk0ynrSmOoFiY8+bXU9eNqgzdsq7JEO:HaupqNYAdd30cgafO0FigEO

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 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).

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 7 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 35 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\434f2dc20a710077ba861c9a118223c51f04662d6edcb492812c6468e4cede48.exe
    "C:\Users\Admin\AppData\Local\Temp\434f2dc20a710077ba861c9a118223c51f04662d6edcb492812c6468e4cede48.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:384
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:5092
      • 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:1924
        • C:\ProgramData\ECFHIJKJKF.exe
          "C:\ProgramData\ECFHIJKJKF.exe"
          3⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:2360
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2360 -s 876
            4⤵
            • Program crash
            PID:1404
        • C:\ProgramData\DAFHIDGIJK.exe
          "C:\ProgramData\DAFHIDGIJK.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3060
          • 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:2232
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\IIIEBGCBGIDH" & exit
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3284
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 10
            4⤵
            • System Location Discovery: System Language Discovery
            • Delays execution with timeout.exe
            PID:760
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2360 -ip 2360
      1⤵
        PID:4540

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\BAAAAKJKJEBG\BFIIEH

        Filesize

        160KB

        MD5

        f310cf1ff562ae14449e0167a3e1fe46

        SHA1

        85c58afa9049467031c6c2b17f5c12ca73bb2788

        SHA256

        e187946249cd390a3c1cf5d4e3b0d8f554f9acdc416bf4e7111fff217bb08855

        SHA512

        1196371de08c964268c44103ccaed530bda6a145df98e0f480d8ee5ad58cb6fb33ca4c9195a52181fe864726dcf52e6a7a466d693af0cda43400a3a7ef125fad

      • C:\ProgramData\DAFHIDGIJK.exe

        Filesize

        283KB

        MD5

        ac7314c596e766b8f4f368579e2e0f8f

        SHA1

        0e4941e5e4299d04b9408194542c7362bcabcd2f

        SHA256

        be442a04bc031b4dc72835efeeeb025e9a103c8012382173965fba30bd3a96b9

        SHA512

        4258b6d15cd1c87d1787507f9132e5cf2caebfbf46dd055950dec8bb55faa094571d5b88cc58078adbab49f72fd3439f14ccae04de3d4bde672a540699a49428

      • C:\ProgramData\ECFHIJKJKF.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

        90b5e2362256aea72bbfc454f5ba3db5

        SHA1

        27a29e8eee2fd36d8630f9965fd96ba73e021374

        SHA256

        1089b0871cca6e8016208e287a75aa2d87e13d483ea63cebedf2aede68dc2594

        SHA512

        be8e31c5064fff092258bd06945beefb158947b92e90a2f1cff477eb1b31ba2967aa30917872b0b692fc345484e61542baa163e7967b4afcd602f57f713054eb

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

        Filesize

        450B

        MD5

        e9b7eafeef28d03c1329d37d516fa219

        SHA1

        80643252f6651aa7a5e4b2d3f9a417ec84750c9d

        SHA256

        8e344fcf2b04e57f3773480cd1aca2f75a2387690e817f32bf379c3ddd8ff00c

        SHA512

        15f1c7ae9dd6341b3433b3052ca29aeea8a2e5e53cdeec15be38c9c9bbc56f2c7a5d5639cc37423125d8c1318f731f17ac7eceb863479604cff04c6b93971290

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

        Filesize

        458B

        MD5

        f6862fc3920b558df2989a6be27b4260

        SHA1

        0631f2964d0ceca0505862e4c727c461900f4f12

        SHA256

        dd126806a5ddd2ff8c9b928be1f46cee4a69243e53de17c1fc053441f841d5e3

        SHA512

        555fd212008f0a64ee4fca2c234b42abdec2ea0d171bd6533a1830f9d173153e1ef771b86ff1e1d1e73735a05647c49f44ca3b0d6508adf11b0f4fc0f61573bf

      • memory/384-91-0x0000000074640000-0x0000000074DF0000-memory.dmp

        Filesize

        7.7MB

      • memory/384-0-0x000000007464E000-0x000000007464F000-memory.dmp

        Filesize

        4KB

      • memory/384-9-0x0000000074640000-0x0000000074DF0000-memory.dmp

        Filesize

        7.7MB

      • memory/384-2-0x00000000055C0000-0x0000000005B64000-memory.dmp

        Filesize

        5.6MB

      • memory/384-1-0x00000000006A0000-0x00000000006EA000-memory.dmp

        Filesize

        296KB

      • memory/1924-41-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1924-84-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1924-83-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1924-92-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1924-93-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1924-59-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1924-4-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1924-40-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1924-58-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1924-10-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1924-7-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1924-24-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1924-25-0x00000000229E0000-0x0000000022C3F000-memory.dmp

        Filesize

        2.4MB

      • memory/1924-42-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2232-137-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2232-128-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2232-126-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2232-124-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2232-138-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2232-139-0x00000000227D0000-0x0000000022A2F000-memory.dmp

        Filesize

        2.4MB

      • memory/2232-153-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2232-154-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2360-108-0x0000000000E50000-0x0000000000EA4000-memory.dmp

        Filesize

        336KB

      • memory/2360-107-0x0000000071BEE000-0x0000000071BEF000-memory.dmp

        Filesize

        4KB

      • memory/3060-122-0x0000000000A30000-0x0000000000A7A000-memory.dmp

        Filesize

        296KB