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 17:53

General

  • Target

    56453e3c7fe50caac1128195b65d335e3c387c6ba251143f5c3419e6512d3b66.exe

  • Size

    283KB

  • MD5

    0d02e72a7fe2f6b2a120782b8a64c0a2

  • SHA1

    0957f0570c7e2f9d38e78664282762fc43964e0d

  • SHA256

    56453e3c7fe50caac1128195b65d335e3c387c6ba251143f5c3419e6512d3b66

  • SHA512

    64bdcf43898f611bae1ad21aef5c26eb1c1434362544e4a734bbfa8b86f24032a5782498ea3dae9e1e144378a27ef47940ae6ea79e5918297e344181a93c5439

  • SSDEEP

    6144:PevsJRmJAvNCf3GIaWAlgO6dEkcsLOTvisCKsBPEO:PgGRmJUSGYAt6dEkcVTvlsBPEO

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 50 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\56453e3c7fe50caac1128195b65d335e3c387c6ba251143f5c3419e6512d3b66.exe
    "C:\Users\Admin\AppData\Local\Temp\56453e3c7fe50caac1128195b65d335e3c387c6ba251143f5c3419e6512d3b66.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3152
    • 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:2884
      • C:\ProgramData\EHCBAAAFHJ.exe
        "C:\ProgramData\EHCBAAAFHJ.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1104
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          4⤵
            PID:2576
          • 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:2016
            • C:\Program Files\Google\Chrome\Application\UEDAJW80931229JC.exe
              "C:\Program Files\Google\Chrome\Application\UEDAJW80931229JC.exe"
              5⤵
              • Executes dropped EXE
              • System Location Discovery: System Language Discovery
              PID:3592
        • C:\ProgramData\HIIIEGDBKJ.exe
          "C:\ProgramData\HIIIEGDBKJ.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4944
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            4⤵
              PID:456
            • 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:1364
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\KKEHIEBKJKFI" & exit
            3⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:1756
            • C:\Windows\SysWOW64\timeout.exe
              timeout /t 10
              4⤵
              • System Location Discovery: System Language Discovery
              • Delays execution with timeout.exe
              PID:4000

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Program Files\Google\Chrome\Application\UEDAJW80931229JC.exe

        Filesize

        63KB

        MD5

        0d5df43af2916f47d00c1573797c1a13

        SHA1

        230ab5559e806574d26b4c20847c368ed55483b0

        SHA256

        c066aee7aa3aa83f763ebc5541daa266ed6c648fbffcde0d836a13b221bb2adc

        SHA512

        f96cf9e1890746b12daf839a6d0f16f062b72c1b8a40439f96583f242980f10f867720232a6fa0f7d4d7ac0a7a6143981a5a130d6417ea98b181447134c7cfe2

      • C:\ProgramData\EHCBAAAFHJ.exe

        Filesize

        338KB

        MD5

        7abd5004d90827227cb77ecebc6c0aba

        SHA1

        39c7f736d4041cb246b31d34f455460cdc3a071e

        SHA256

        13d8eb0461863ad7a6f2cd6c20133e6141b7ee60c2cfa16be07b050a1702b5ad

        SHA512

        7d95b29386c7a42da65be1888ce33d1e6e323da9e667cd72def869da3dfd60209b023d03e5258fcf52a71d7d2dd9a98e620cd1a44bc0e68da6d9567041a5e616

      • C:\ProgramData\EHJKJDGCGDAK\GCAKKE

        Filesize

        160KB

        MD5

        f310cf1ff562ae14449e0167a3e1fe46

        SHA1

        85c58afa9049467031c6c2b17f5c12ca73bb2788

        SHA256

        e187946249cd390a3c1cf5d4e3b0d8f554f9acdc416bf4e7111fff217bb08855

        SHA512

        1196371de08c964268c44103ccaed530bda6a145df98e0f480d8ee5ad58cb6fb33ca4c9195a52181fe864726dcf52e6a7a466d693af0cda43400a3a7ef125fad

      • C:\ProgramData\HIIIEGDBKJ.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

        755ce03646c038489429ed1578ec5391

        SHA1

        389457a3b43163ecd62d1e9b5f7d109ecfb450eb

        SHA256

        4c8f0b514186a60003ed1b0c4764ddb6e84db1e5dd82af673d30d3ba4aa35002

        SHA512

        b9591c878f0297b4c6fffe7fb54436b4e66e6ec171438d7da31a524fba4c004b32c61c4e0bc06cbb1e68bc7e8f9b9a97a9e23404474c7ff2abc2663244f1c13b

      • 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

        9736f38c57730293f6b23314134d8731

        SHA1

        7e9f2e7a3c776494088df5226a2f5f54d036e21f

        SHA256

        49a617d240b1809291aa522c5934e04248aff1d1f16287883555b7353f4b87b3

        SHA512

        0c5d281ca21a599257d558c93c4f6ae102572b587922749547fdc5463e95c5a42a5537db2e1fe01016decd345d9828abe8db42199b8b9feb145ad452dda55088

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

        Filesize

        450B

        MD5

        7fe6980ef8f56f15ed71f3a3a6fbf42f

        SHA1

        5780a33214a94946bcf7b11544cc4f666e6794cd

        SHA256

        014af6f74fada1acf9aa680dd97a5712b4ed3f7825a89562dce23afe605b30dc

        SHA512

        59efb7920e3e6f57b6f52fa7236736c866eeea7c46920a057d66b8109a3031b1ab0c646cf1004a0c0e1637fd54d34f68db4b72a17a80bea63e0ff932e640eac1

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

        Filesize

        458B

        MD5

        9ae8045a43b62877bc595f9e68d772d5

        SHA1

        f09511a00db78d1d71ec5f3f3d4a6ec1ffba157c

        SHA256

        2ffcf1998fe6822f461ccd2f1c11f736f712dc36f2987ab6df49cd665b153dac

        SHA512

        ff311872e7e3bdd0aaa98a7e6a970822b25969f357e062074bcf243f75bea3aca11a9f7c88f724843255676f81301bf972f4131d39ef4ae429c0377f21199994

      • memory/1104-127-0x0000000071E20000-0x00000000725D0000-memory.dmp

        Filesize

        7.7MB

      • memory/1104-118-0x0000000071E20000-0x00000000725D0000-memory.dmp

        Filesize

        7.7MB

      • memory/1104-117-0x0000000000D50000-0x0000000000DA6000-memory.dmp

        Filesize

        344KB

      • memory/1104-116-0x0000000071E2E000-0x0000000071E2F000-memory.dmp

        Filesize

        4KB

      • memory/1104-130-0x0000000071E20000-0x00000000725D0000-memory.dmp

        Filesize

        7.7MB

      • memory/1364-151-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1364-149-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1364-179-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1364-178-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1364-164-0x00000000222C0000-0x000000002251F000-memory.dmp

        Filesize

        2.4MB

      • memory/1364-163-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1364-162-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1364-153-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2016-123-0x0000000000400000-0x0000000000459000-memory.dmp

        Filesize

        356KB

      • memory/2016-120-0x0000000000400000-0x0000000000459000-memory.dmp

        Filesize

        356KB

      • memory/2016-128-0x0000000000400000-0x0000000000459000-memory.dmp

        Filesize

        356KB

      • memory/2884-8-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2884-85-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2884-26-0x00000000223C0000-0x000000002261F000-memory.dmp

        Filesize

        2.4MB

      • memory/2884-25-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2884-92-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2884-93-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2884-42-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2884-58-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2884-84-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2884-24-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2884-10-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2884-41-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2884-59-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2884-4-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/3152-2-0x0000000004FB0000-0x0000000005554000-memory.dmp

        Filesize

        5.6MB

      • memory/3152-6-0x0000000074880000-0x0000000075030000-memory.dmp

        Filesize

        7.7MB

      • memory/3152-66-0x0000000074880000-0x0000000075030000-memory.dmp

        Filesize

        7.7MB

      • memory/3152-0-0x000000007488E000-0x000000007488F000-memory.dmp

        Filesize

        4KB

      • memory/3152-1-0x0000000000200000-0x000000000024A000-memory.dmp

        Filesize

        296KB

      • memory/3592-144-0x0000000000010000-0x0000000000022000-memory.dmp

        Filesize

        72KB

      • memory/4944-147-0x0000000000C70000-0x0000000000CBA000-memory.dmp

        Filesize

        296KB