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Analysis

  • max time kernel
    95s
  • max time network
    123s
  • 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, 11:23

General

  • Target

    file.exe

  • Size

    292KB

  • MD5

    26e1bcdecaa337ee8e8b3694603c803f

  • SHA1

    4d489fc1eb967acc177cdc5ff7cdd77dac3020d4

  • SHA256

    44408030fc2d6ab0d35a060e03f750a4d53dd9045debd1c189da636d07e86147

  • SHA512

    7c606989961c028555e27bb85658f7bc94d362f20b17702675eb24cb8a05ba0d52fa525e28ea74265d437ec3d09799481882fedbb987fc04edd5aafbfcdf623f

  • SSDEEP

    6144:O/U+c8P+Iwx+Sp66wGPJJNwK0LTyib+2VvW5EO:Os/9Jp6SBw7LTyiLW5EO

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 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.

  • Suspicious use of SetThreadContext 3 IoCs
  • Drops file in Program Files directory 1 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 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
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of WriteProcessMemory 47 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:1336
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:2752
      • 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
        • Modifies system certificate store
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2336
        • C:\ProgramData\AAKEGDAKEH.exe
          "C:\ProgramData\AAKEGDAKEH.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:408
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            4⤵
            • Drops file in Program Files directory
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:1068
            • C:\Program Files\Google\Chrome\Application\TR99L1VHKU6VE8G4R720AH.exe
              "C:\Program Files\Google\Chrome\Application\TR99L1VHKU6VE8G4R720AH.exe"
              5⤵
              • Executes dropped EXE
              • System Location Discovery: System Language Discovery
              PID:3864
        • C:\ProgramData\FBFIJJEBKE.exe
          "C:\ProgramData\FBFIJJEBKE.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1916
          • 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:3220
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\IIIEBAAFBFBA" & exit
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2132
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 10
            4⤵
            • System Location Discovery: System Language Discovery
            • Delays execution with timeout.exe
            PID:4336

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Program Files\Google\Chrome\Application\TR99L1VHKU6VE8G4R720AH.exe

      Filesize

      63KB

      MD5

      0d5df43af2916f47d00c1573797c1a13

      SHA1

      230ab5559e806574d26b4c20847c368ed55483b0

      SHA256

      c066aee7aa3aa83f763ebc5541daa266ed6c648fbffcde0d836a13b221bb2adc

      SHA512

      f96cf9e1890746b12daf839a6d0f16f062b72c1b8a40439f96583f242980f10f867720232a6fa0f7d4d7ac0a7a6143981a5a130d6417ea98b181447134c7cfe2

    • C:\ProgramData\AAKEGDAKEH.exe

      Filesize

      338KB

      MD5

      7abd5004d90827227cb77ecebc6c0aba

      SHA1

      39c7f736d4041cb246b31d34f455460cdc3a071e

      SHA256

      13d8eb0461863ad7a6f2cd6c20133e6141b7ee60c2cfa16be07b050a1702b5ad

      SHA512

      7d95b29386c7a42da65be1888ce33d1e6e323da9e667cd72def869da3dfd60209b023d03e5258fcf52a71d7d2dd9a98e620cd1a44bc0e68da6d9567041a5e616

    • C:\ProgramData\BAEBGCFIEHCF\IEHCAK

      Filesize

      160KB

      MD5

      f310cf1ff562ae14449e0167a3e1fe46

      SHA1

      85c58afa9049467031c6c2b17f5c12ca73bb2788

      SHA256

      e187946249cd390a3c1cf5d4e3b0d8f554f9acdc416bf4e7111fff217bb08855

      SHA512

      1196371de08c964268c44103ccaed530bda6a145df98e0f480d8ee5ad58cb6fb33ca4c9195a52181fe864726dcf52e6a7a466d693af0cda43400a3a7ef125fad

    • C:\ProgramData\FBFIJJEBKE.exe

      Filesize

      292KB

      MD5

      9d0327bd2962fd98512fb4ad5fc9ad19

      SHA1

      37fd2898d15b6e4e4be596c11120649e374a091b

      SHA256

      86d1e9372127505a6200e134641390297bd255de3b742d874108cbf5670d3d9c

      SHA512

      9a768adcd08acc5766d2b7a46e1360c2a2551405248bf774bc736b196d902bbeee56e472bd8f94a8c993f54e6e2402a9a14d6131500cf7979b89ccdbdd6ecc15

    • 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

      d61c16c5dd12dce62b0311b4f5ae4702

      SHA1

      695352e746dbbf0d30b2ecd435c39e625f319b1a

      SHA256

      efdd18ad7b3d60cc9ee00dbcb26fe85b22096b21b10276bf70191da590252d07

      SHA512

      1b63567a9ea59457433aaaad1158fb5fd95b4b5bb88b5e099e38917206578556ead19accf0b1257db4a51c8f892fe3e91e1aed3353e0e66e5991315e92db62cf

    • 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

      66a1250945d5954ccd7a7270c292cdfb

      SHA1

      eef0640046e6b10662d2b2ff6f419bffd911c727

      SHA256

      4b7cf758eb8582e21a9915f9710a9dc30050df83ddd1fd374c358bf5d0bd2897

      SHA512

      3ac2725dfefe50f6f6e96853c7f9f647c5fe1c7fc762c0e777770d0f89d4ac8fad0886ff1ffb6475fbc6307935a1068a5567b940789e892edec7eb4599e943b3

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

      Filesize

      458B

      MD5

      406f52f44931a2332edfdb0443f19f91

      SHA1

      ba53e9211f5df89d017b3ce21231bba2615b6d30

      SHA256

      860426338414f4bf95c67d5e0691df025f63c5eecd3f9b412b0afa5892d15adc

      SHA512

      75a425bb4cdab39c5939100b8a377c976dc6fa586d11708774c39114d5aea788dc965752655abf2502195aac8b391331aab293231bf22441b21ecce8e9b21f65

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

      Filesize

      450B

      MD5

      09611791d1edf5d2fcdcccda8108bd9c

      SHA1

      373988a49e0952939b518c5dda7678b0d7e6414d

      SHA256

      532441fd01b82dcf519d54f09c4e885ba394623d582795db84dc0fc3bc43163e

      SHA512

      9f96f9dc76b2eeca086c43b8cf256477ed56a559de3b5bea83837415e6bcd4470a7dc5f99c98e17ea4b9b6dc8d2d49226a63725c758392ce7d56a26766448401

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

      Filesize

      458B

      MD5

      bf4b76d862db164161c55726d4850eff

      SHA1

      d81c16c13eba10a3bd939323dc23279cd64441e6

      SHA256

      5ba3b840e950599a61dce4fa7a3bac1975e93121f5388ba270d5648a6288e3d5

      SHA512

      6240fdf5a467f1aae4a7850ab7a59c6fcc312a458cda5c04837ae8d3d5fb59842aae18efe185f2cc023902c15d8ff061101a56e2bd0564d0527896a461e99f05

    • memory/408-118-0x00000000716E0000-0x0000000071E90000-memory.dmp

      Filesize

      7.7MB

    • memory/408-127-0x00000000716E0000-0x0000000071E90000-memory.dmp

      Filesize

      7.7MB

    • memory/408-117-0x00000000716EE000-0x00000000716EF000-memory.dmp

      Filesize

      4KB

    • memory/408-116-0x0000000000FB0000-0x0000000001006000-memory.dmp

      Filesize

      344KB

    • memory/1068-120-0x0000000000400000-0x0000000000459000-memory.dmp

      Filesize

      356KB

    • memory/1068-128-0x0000000000400000-0x0000000000459000-memory.dmp

      Filesize

      356KB

    • memory/1068-123-0x0000000000400000-0x0000000000459000-memory.dmp

      Filesize

      356KB

    • memory/1336-1-0x0000000000CC0000-0x0000000000D0A000-memory.dmp

      Filesize

      296KB

    • memory/1336-2-0x0000000074790000-0x0000000074F40000-memory.dmp

      Filesize

      7.7MB

    • memory/1336-6-0x0000000074790000-0x0000000074F40000-memory.dmp

      Filesize

      7.7MB

    • memory/1336-13-0x0000000074790000-0x0000000074F40000-memory.dmp

      Filesize

      7.7MB

    • memory/1336-0-0x000000007479E000-0x000000007479F000-memory.dmp

      Filesize

      4KB

    • memory/1916-146-0x0000000000E10000-0x0000000000E5A000-memory.dmp

      Filesize

      296KB

    • memory/2336-28-0x0000000020090000-0x00000000202EF000-memory.dmp

      Filesize

      2.4MB

    • memory/2336-84-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2336-93-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2336-26-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2336-92-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2336-60-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2336-25-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2336-85-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2336-43-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2336-42-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2336-4-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2336-59-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2336-8-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2336-10-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/3220-152-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/3220-150-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/3220-148-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/3220-161-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/3220-162-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/3220-164-0x00000000202B0000-0x000000002050F000-memory.dmp

      Filesize

      2.4MB

    • memory/3220-177-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/3220-178-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/3864-131-0x0000000000510000-0x0000000000522000-memory.dmp

      Filesize

      72KB