Analysis

  • max time kernel
    133s
  • max time network
    300s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    19-09-2024 22:35

General

  • Target

    5c4992108c7c312408fb94508890b2615fbe7fecb09cac3b7a2cf38581e28be5.exe

  • Size

    292KB

  • MD5

    89599341387624a951de84b66f9ec572

  • SHA1

    e44a6665fecc1b38903a01c72901ee88e618f077

  • SHA256

    5c4992108c7c312408fb94508890b2615fbe7fecb09cac3b7a2cf38581e28be5

  • SHA512

    9e7f25b5e6704dc91bbbc9ba1e1528b2c34d81ead50ad3cdf6b3b4911a044e5b9d733d0882316cc97735971ff3aadf9b5117af355a6ca48a6ac96610668465cd

  • SSDEEP

    6144:oE8c1gkq908NkcFaTLaol+j17zPDr/MMUxc4EO:Wc1T78NkeaTLKzLrLAEO

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 18 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
  • 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 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).

  • System Location Discovery: System Language Discovery 1 TTPs 8 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 26 IoCs
  • Suspicious use of WriteProcessMemory 53 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5c4992108c7c312408fb94508890b2615fbe7fecb09cac3b7a2cf38581e28be5.exe
    "C:\Users\Admin\AppData\Local\Temp\5c4992108c7c312408fb94508890b2615fbe7fecb09cac3b7a2cf38581e28be5.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4616
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2412
      • C:\ProgramData\BKECAEBGHD.exe
        "C:\ProgramData\BKECAEBGHD.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1116
        • 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
          PID:4264
      • C:\ProgramData\HJDAKFBFBF.exe
        "C:\ProgramData\HJDAKFBFBF.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3488
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          4⤵
            PID:4040
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            4⤵
              PID:4892
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
              4⤵
                PID:4372
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                4⤵
                  PID:4952
                • 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:2352
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\EBKKKEGIDBGH" & exit
                3⤵
                • System Location Discovery: System Language Discovery
                • Suspicious use of WriteProcessMemory
                PID:4832
                • C:\Windows\SysWOW64\timeout.exe
                  timeout /t 10
                  4⤵
                  • System Location Discovery: System Language Discovery
                  • Delays execution with timeout.exe
                  PID:2848

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\ProgramData\BKECAEBGHD.exe

            Filesize

            355KB

            MD5

            731a25a9b1f2c31056f7bd75c71deac4

            SHA1

            ac95005a75add78f8226e553ff3bb32bcfeef1ea

            SHA256

            d0285d1ff85d7ef17ce9e3c0b185bd93624d6fde47a2cf0ec99a8cfd4a7afb0d

            SHA512

            efccfa84482c3a262c2efe9d5107a22a94efae352a46d01c0c677266835bb1d4b04a105ff7b94c5042640d40672576512ca06201260a5ee82257c7f524304fa4

          • C:\ProgramData\HJDAKFBFBF.exe

            Filesize

            293KB

            MD5

            6d1999f1096cee3f06507e0d896d7c4a

            SHA1

            947cde63e799d23622468caecd0172a4ce8e8c17

            SHA256

            6f8b44c727d44c82461e3e33098a1d93517bd200c4489120914f34e22715309c

            SHA512

            eb46aa64facd4456eaad1b24ee158b9e7bd5426580caf1ca4d5cd24fe08127612b8fcb2e1cedd054daff85e315d3942fb75bc5959c89baadf832d70a8a0982b1

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

            Filesize

            2KB

            MD5

            4c4bf9e4d624f1045d8f73ed7f97dc3e

            SHA1

            1d78800f4a780fc6f75a778faeed2baaf84f2206

            SHA256

            6dcfee83067db655225002d6ee68c1948d82de8a4b488355fbdee6fce73638db

            SHA512

            4c950580ec4fb088382f066948964846bbee5d575eac1f70253e5adc3c09f071d398c1b6eb42fb2a00e017ba2a344ef6709c6f321a5b38db8bd39933989494bb

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

            Filesize

            2KB

            MD5

            7ec05ad5ad4ea2f59d78a181b608dfb1

            SHA1

            95dfcb1ca8c7c6353bfc940c79f877d491158faa

            SHA256

            197a38efa533f9ff60b730cbc9b5fb604893e8dfb08a9ba85f0e5424779e3759

            SHA512

            da07b1ce6b278f20a93cfb83107be1a96bd134657be71f31b314e981ae9f85a8db50ae10458612bd460baca5e9402d5bce61b11ed648b191be42882273b8c00a

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

            Filesize

            1KB

            MD5

            9ea353ed4fed6ed641da2a1a1e66cbf3

            SHA1

            42cf55d3608819795042c23df5f18fcd2b6b0c58

            SHA256

            5245794a9cb70971f00a51f56b8b5305d16629c4d0d0e95916371a20a6119485

            SHA512

            7476acf575e998c56bae27703d635c82a5cfd43f736b9618ec430168148f25d79c97ca344670298b51956ca0b3707d6499ef5865fe1b933acb948dddc822d05e

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

            Filesize

            458B

            MD5

            5ac6ae02e8927492637ce9fa6a05e33d

            SHA1

            9f613b2c106aa2c3ed3335bec23f54e77ca94dfa

            SHA256

            a12d88c21f4f0f42d3fe79cdac9a760be74d6bdc392de28f80fe26b87a33055a

            SHA512

            bfb4bce64c99313e9295dcf3a0ce3ab06063df3b2986171afdff5f6e2d466fa21e2e265714e5e92d2e7d5701122a94731eba128a5c88e3db989899907eaec2c1

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

            Filesize

            450B

            MD5

            c34b283c9b1911189fede93dc72c133f

            SHA1

            2a8bf30c5309ffc6910395ac45e23e5baa383aa5

            SHA256

            0f5526f2b9d0b8b3b74587f820ce172bc8de845dfc9994d09fca8c338acc4029

            SHA512

            2aa8f049bd50c82c45394d5ede212a6ba47eb07327fb065643983c323697f530d42ad1f6585103f5ff0e4adf581e808542f2694aa881436844b05bf19716e7af

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

            Filesize

            458B

            MD5

            691c471cd82d4cf5cce6472db36e6a42

            SHA1

            6d2aadaa4d71a985ea17ffcb107d3a657b9f7ffa

            SHA256

            8ef03424789c84b16a7d665a816ea01eacbf9748ebcb1744f7252d452bad1ecd

            SHA512

            ba0fa1382263c2d5d240ac2b1a07e45b2cd3221a725a271e8e745e40862b4213adb281b5a96278f6727bb612eb3f07bc3d361e8e34b0d784530ca79ca1368621

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCookies\RS7YXQY8.cookie

            Filesize

            104B

            MD5

            8df36d4a786602244e113b4a2c54fef6

            SHA1

            eb173f279eed8d3604a788882aeaab86bbba3834

            SHA256

            c7cea698cc2916a2fccf894513300577b0088c8be330310850c862b087d6cf9d

            SHA512

            eddc897ba135e98f948f8e52686d5b4be2165a8de7d041373e1c01f9bb5a8db42a3615f5d982daa9ef132e1e10a875871ecf29f4b2627afaaf7e2fc8de6afee5

          • \ProgramData\mozglue.dll

            Filesize

            593KB

            MD5

            c8fd9be83bc728cc04beffafc2907fe9

            SHA1

            95ab9f701e0024cedfbd312bcfe4e726744c4f2e

            SHA256

            ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

            SHA512

            fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

          • \ProgramData\nss3.dll

            Filesize

            2.0MB

            MD5

            1cc453cdf74f31e4d913ff9c10acdde2

            SHA1

            6e85eae544d6e965f15fa5c39700fa7202f3aafe

            SHA256

            ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

            SHA512

            dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

          • memory/1116-96-0x0000000071A40000-0x000000007212E000-memory.dmp

            Filesize

            6.9MB

          • memory/1116-103-0x0000000071A40000-0x000000007212E000-memory.dmp

            Filesize

            6.9MB

          • memory/1116-94-0x00000000006F0000-0x000000000074A000-memory.dmp

            Filesize

            360KB

          • memory/1116-95-0x0000000071A4E000-0x0000000071A4F000-memory.dmp

            Filesize

            4KB

          • memory/1116-105-0x0000000071A40000-0x000000007212E000-memory.dmp

            Filesize

            6.9MB

          • memory/2352-142-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2352-141-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2352-131-0x0000000020000000-0x000000002025F000-memory.dmp

            Filesize

            2.4MB

          • memory/2352-130-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2352-129-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2352-119-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2352-117-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2352-115-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2412-28-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2412-29-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2412-72-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2412-71-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2412-46-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2412-4-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2412-30-0x000000001FC70000-0x000000001FECF000-memory.dmp

            Filesize

            2.4MB

          • memory/2412-79-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2412-80-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2412-9-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2412-11-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2412-45-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/3488-113-0x0000000000010000-0x000000000005A000-memory.dmp

            Filesize

            296KB

          • memory/4264-104-0x0000000000400000-0x000000000045D000-memory.dmp

            Filesize

            372KB

          • memory/4264-98-0x0000000000400000-0x000000000045D000-memory.dmp

            Filesize

            372KB

          • memory/4264-101-0x0000000000400000-0x000000000045D000-memory.dmp

            Filesize

            372KB

          • memory/4616-0-0x000000007328E000-0x000000007328F000-memory.dmp

            Filesize

            4KB

          • memory/4616-1-0x0000000000E10000-0x0000000000E5A000-memory.dmp

            Filesize

            296KB

          • memory/4616-2-0x0000000073280000-0x000000007396E000-memory.dmp

            Filesize

            6.9MB

          • memory/4616-6-0x0000000073280000-0x000000007396E000-memory.dmp

            Filesize

            6.9MB

          • memory/4616-7-0x0000000073280000-0x000000007396E000-memory.dmp

            Filesize

            6.9MB