Analysis

  • max time kernel
    125s
  • 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
    17-09-2024 01:09

General

  • Target

    393fdc548e466ad14530d328eae10582ee3397539b118bd37040f2489d14d004.exe

  • Size

    283KB

  • MD5

    bfb262695846160319eff924751694cb

  • SHA1

    9cc9183479bba4738319df432708485d5e4a18d2

  • SHA256

    393fdc548e466ad14530d328eae10582ee3397539b118bd37040f2489d14d004

  • SHA512

    8cc0534f98920d2f456d5c21e4b8b1e747e69fac21b64b5d426c39a0f08907ca0f12a312100641b5716525f95ab017ec2a15818f42c3370c31ac9d3bf09445f9

  • SSDEEP

    6144:au9ShT41pulkoqVoUQqD4HXFeHuoSw4C6X4LmuyutMk5qGGMSDEO:NxqZqVoUvUXcOobiCl/oGGHEO

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 22 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 24 IoCs
  • Suspicious use of WriteProcessMemory 35 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\393fdc548e466ad14530d328eae10582ee3397539b118bd37040f2489d14d004.exe
    "C:\Users\Admin\AppData\Local\Temp\393fdc548e466ad14530d328eae10582ee3397539b118bd37040f2489d14d004.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2124
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:1540
      • 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:2768
        • C:\ProgramData\BGIJDGCAEB.exe
          "C:\ProgramData\BGIJDGCAEB.exe"
          3⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:1592
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1592 -s 876
            4⤵
            • Program crash
            PID:4236
        • C:\ProgramData\KEGIDHJKKJ.exe
          "C:\ProgramData\KEGIDHJKKJ.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:872
          • 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:3736
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\JKKEHJDHJKFI" & exit
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4488
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 10
            4⤵
            • System Location Discovery: System Language Discovery
            • Delays execution with timeout.exe
            PID:2504
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4380,i,11251706013556949551,5157034131170452377,262144 --variations-seed-version --mojo-platform-channel-handle=4188 /prefetch:8
      1⤵
        PID:4764
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --field-trial-handle=4144,i,11251706013556949551,5157034131170452377,262144 --variations-seed-version --mojo-platform-channel-handle=2320 /prefetch:3
        1⤵
          PID:5104
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1592 -ip 1592
          1⤵
            PID:2416

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\ProgramData\BGIJDGCAEB.exe

            Filesize

            322KB

            MD5

            a5098dee7d78acfb0294523855906aad

            SHA1

            5f44ca3f038456d07f7702cf061e7dad0039a8fb

            SHA256

            b07e6681aedf25d80c36bb0cb362d3d9c22c17a42d03e42e0d2413ad1be1a4c2

            SHA512

            b962efb2830b82e3cb4e39e3bd09ae68211dc0842ebd3c497e9425fcdd8ffb6eb09ca29386bf80fe9487346979592cbbc0f14c71e81129faf5ffd6f544226552

          • C:\ProgramData\FIECBFIDGDAK\ECFHIJ

            Filesize

            160KB

            MD5

            f310cf1ff562ae14449e0167a3e1fe46

            SHA1

            85c58afa9049467031c6c2b17f5c12ca73bb2788

            SHA256

            e187946249cd390a3c1cf5d4e3b0d8f554f9acdc416bf4e7111fff217bb08855

            SHA512

            1196371de08c964268c44103ccaed530bda6a145df98e0f480d8ee5ad58cb6fb33ca4c9195a52181fe864726dcf52e6a7a466d693af0cda43400a3a7ef125fad

          • C:\ProgramData\KEGIDHJKKJ.exe

            Filesize

            283KB

            MD5

            ac7314c596e766b8f4f368579e2e0f8f

            SHA1

            0e4941e5e4299d04b9408194542c7362bcabcd2f

            SHA256

            be442a04bc031b4dc72835efeeeb025e9a103c8012382173965fba30bd3a96b9

            SHA512

            4258b6d15cd1c87d1787507f9132e5cf2caebfbf46dd055950dec8bb55faa094571d5b88cc58078adbab49f72fd3439f14ccae04de3d4bde672a540699a49428

          • 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

            94df5463d6113cfd25becbcc1d40fc05

            SHA1

            a43382a33041fbcd7922fce59cffdac555e2131c

            SHA256

            2811f19ea0924aff1b68b7ec79bc46769a36a7acd7a5724cb2df78770d8a0c17

            SHA512

            dd5e01a5cba791f4b92de795903c72af89fe56e4f197b4093f046c06cd612a46a4af3e81ae8d36e8ff72135a7c98b051d95c2be260cce4e54c5a6d95ecf5a100

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

            Filesize

            450B

            MD5

            b4be6d53a2c4e931e203f83098edac72

            SHA1

            1308ab290e8f4189cd413f91f433afc6dd80957d

            SHA256

            a0b56e99cee2f7a6628748b409e6439311cdfb6a397a392e5e7a1970d45f1422

            SHA512

            77d45e891e5d8cb8595d03d20f3eebd323f770f3e8012f18dff9758f7373a76176fc39d538c641cf18c6f4e7e5d77bf47b8b45ee1db2d64e8250ddcc9518c352

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

            Filesize

            458B

            MD5

            26ceb539cfde30770484381fc2690e9d

            SHA1

            553f1d013938629120e6df9f6758bc71268c1e05

            SHA256

            699655f23ed6cb2bfe9806bffb0df80c293600be23ef5fe9c21ee1a3c840350f

            SHA512

            198e85d3fcb76f6e87c3b3e8a622215ed120b7aa55059d791cf0da3e6f88b37df5dfdbb2dd86e27a2a6dda1fd87d7b1eb2599cd93a2daf9c9db3ebded325b3bd

          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\SCT Auditing Pending Reports

            Filesize

            2B

            MD5

            d751713988987e9331980363e24189ce

            SHA1

            97d170e1550eee4afc0af065b78cda302a97674c

            SHA256

            4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945

            SHA512

            b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af

          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\Sdch Dictionaries

            Filesize

            40B

            MD5

            20d4b8fa017a12a108c87f540836e250

            SHA1

            1ac617fac131262b6d3ce1f52f5907e31d5f6f00

            SHA256

            6028bd681dbf11a0a58dde8a0cd884115c04caa59d080ba51bde1b086ce0079d

            SHA512

            507b2b8a8a168ff8f2bdafa5d9d341c44501a5f17d9f63f3d43bd586bc9e8ae33221887869fa86f845b7d067cb7d2a7009efd71dda36e03a40a74fee04b86856

          • memory/872-135-0x0000000000100000-0x000000000014A000-memory.dmp

            Filesize

            296KB

          • memory/1592-121-0x00000000728DE000-0x00000000728DF000-memory.dmp

            Filesize

            4KB

          • memory/1592-120-0x0000000000F70000-0x0000000000FC4000-memory.dmp

            Filesize

            336KB

          • memory/2124-0-0x000000007533E000-0x000000007533F000-memory.dmp

            Filesize

            4KB

          • memory/2124-74-0x0000000075330000-0x0000000075AE0000-memory.dmp

            Filesize

            7.7MB

          • memory/2124-6-0x0000000075330000-0x0000000075AE0000-memory.dmp

            Filesize

            7.7MB

          • memory/2124-2-0x0000000004E20000-0x00000000053C4000-memory.dmp

            Filesize

            5.6MB

          • memory/2124-1-0x0000000000040000-0x000000000008A000-memory.dmp

            Filesize

            296KB

          • memory/2768-42-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2768-10-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2768-101-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2768-93-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2768-92-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2768-67-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2768-66-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2768-58-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2768-51-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2768-4-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2768-8-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2768-100-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2768-41-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2768-26-0x0000000022180000-0x00000000223DF000-memory.dmp

            Filesize

            2.4MB

          • memory/2768-25-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2768-24-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/3736-139-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/3736-141-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/3736-150-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/3736-151-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/3736-152-0x0000000022560000-0x00000000227BF000-memory.dmp

            Filesize

            2.4MB

          • memory/3736-166-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/3736-137-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/3736-167-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB