Analysis

  • max time kernel
    134s
  • max time network
    245s
  • 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 22:36

General

  • Target

    6c6ec35999113818b53305fdfd10b9afb24129d3299a06e2f8b4204f327ab98d.exe

  • Size

    292KB

  • MD5

    ad31361e15557683381bfeafda7fc981

  • SHA1

    0fa8a544b8c85e1337f1d7794c809c4c76690428

  • SHA256

    6c6ec35999113818b53305fdfd10b9afb24129d3299a06e2f8b4204f327ab98d

  • SHA512

    21aa9d918a6c884f6c4572e3b714b73c96b73fa69723181ec42966104644cd99689d7e75830d5f3a7b61400f7c21c20fec35a22672524e01e1091210bf9af8cb

  • SSDEEP

    6144:O5fP3M3itSVctOcalWs0q4Heb+J4ejNBN++lUjjHEO:O5fPc3itsIOcOyhNjNv++UjHEO

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 40 IoCs
  • Suspicious use of WriteProcessMemory 50 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6c6ec35999113818b53305fdfd10b9afb24129d3299a06e2f8b4204f327ab98d.exe
    "C:\Users\Admin\AppData\Local\Temp\6c6ec35999113818b53305fdfd10b9afb24129d3299a06e2f8b4204f327ab98d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:508
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:216
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        2⤵
          PID:4976
        • 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:4116
          • C:\ProgramData\IECBAFCAAK.exe
            "C:\ProgramData\IECBAFCAAK.exe"
            3⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:372
            • 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:5020
          • C:\ProgramData\BAEBGCFIEH.exe
            "C:\ProgramData\BAEBGCFIEH.exe"
            3⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:1552
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
              4⤵
                PID:3660
              • 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:3656
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\BFIJKEBFBFHI" & exit
              3⤵
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:396
              • C:\Windows\SysWOW64\timeout.exe
                timeout /t 10
                4⤵
                • System Location Discovery: System Language Discovery
                • Delays execution with timeout.exe
                PID:1808

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\ProgramData\AAKEGDAKEHJD\AKJEGC

          Filesize

          148KB

          MD5

          90a1d4b55edf36fa8b4cc6974ed7d4c4

          SHA1

          aba1b8d0e05421e7df5982899f626211c3c4b5c1

          SHA256

          7cf3e9e8619904e72ea6608cc43e9b6c9f8aa2af02476f60c2b3daf33075981c

          SHA512

          ea0838be754e1258c230111900c5937d2b0788f90bbf7c5f82b2ceda7868e50afb86c301f313267eaa912778da45755560b5434885521bf915967a7863922ae2

        • C:\ProgramData\AAKEGDAKEHJD\IECGHJ

          Filesize

          92KB

          MD5

          dc89cfe2a3b5ff9acb683c7237226713

          SHA1

          24f19bc7d79fa0c5af945b28616225866ee51dd5

          SHA256

          ceddefa824f1dd6e7e669d4470e18e557c22fe73359f5b31edf4537473b96148

          SHA512

          ee5d047e1124351997ecfaa5c8bd3e9ce8a974ac281675cda4d0a55e40f3883336a2378b9ebf3d1f227d01b386c26473c32e39bcab836da2b392bf778a6cf5c2

        • C:\ProgramData\BAEBGCFIEH.exe

          Filesize

          293KB

          MD5

          6d1999f1096cee3f06507e0d896d7c4a

          SHA1

          947cde63e799d23622468caecd0172a4ce8e8c17

          SHA256

          6f8b44c727d44c82461e3e33098a1d93517bd200c4489120914f34e22715309c

          SHA512

          eb46aa64facd4456eaad1b24ee158b9e7bd5426580caf1ca4d5cd24fe08127612b8fcb2e1cedd054daff85e315d3942fb75bc5959c89baadf832d70a8a0982b1

        • C:\ProgramData\IECBAFCAAK.exe

          Filesize

          355KB

          MD5

          731a25a9b1f2c31056f7bd75c71deac4

          SHA1

          ac95005a75add78f8226e553ff3bb32bcfeef1ea

          SHA256

          d0285d1ff85d7ef17ce9e3c0b185bd93624d6fde47a2cf0ec99a8cfd4a7afb0d

          SHA512

          efccfa84482c3a262c2efe9d5107a22a94efae352a46d01c0c677266835bb1d4b04a105ff7b94c5042640d40672576512ca06201260a5ee82257c7f524304fa4

        • 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

          297142160f65dde8a1b8b14e2c0b7c43

          SHA1

          90f9980f1242c3fb87bfccbd3b75570092f6f237

          SHA256

          64a3ef4d673814e2497e184ef74d5acd85ffd2b245d9e20ee23e6437d460e11a

          SHA512

          0ded933c40f4906d94ef6ad8910e430a6a97d6715ae13afda3bca713e9ceb7199a1d53985f6d375fefb24682eaccf98512480fca9af229b8ac0877bb5b7d75a8

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

          Filesize

          450B

          MD5

          c62d0c70bc0c1851a582b6ac98b8b623

          SHA1

          efa75e5b2d2ef1403012bf230a542c8ac06d428f

          SHA256

          60bd2d7da4adc63d5800f6c0afd389fb059739b11be87665ad9cf678e2cb822a

          SHA512

          cd9b91169ae47864aa64d7dd8403d707a1c6e020911d19ccef4d197bbceb246c77f3d10e9a35003655ecc7d01e31b5becfbfb467f47c5be9f354e1c006396b0d

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

          Filesize

          458B

          MD5

          430cdc8fc1d6a19f61a9441a9d77c8f5

          SHA1

          52e743ba9d3d361eedaf2d90c0e2d351a1909203

          SHA256

          7b67cebfea8704265ac78d2785abb45ada2f689deb0951ff2fa70c63c0e5cd16

          SHA512

          9994c253a1885acc048f46437b51bbe35105c95fa98912539a773b27b586e84a7c9751c2dd9f405ac7f85a09fbcfaadf802395882bf6510f8572e0c0af92ed66

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCookies\LX7OXHMJ.cookie

          Filesize

          103B

          MD5

          6bbf41a83d999fd2a1b5cf25128f4913

          SHA1

          d594c0db9e97bb84955e6535a165992ac97753f7

          SHA256

          bb52794f623e54c3be3032aa469d3785eaaf27ed95f9042093b77d4ace877c1d

          SHA512

          9fb15f348cd90674d7df07ad6c5d53303865bae54968b785d60e6724e09c9e1db0b13a0a271e0fab40161ce6122f079c771e8d8c2cee7fe5424f6f4db238d5fe

        • \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/372-94-0x0000000000790000-0x00000000007EA000-memory.dmp

          Filesize

          360KB

        • memory/508-6-0x0000000073D30000-0x000000007441E000-memory.dmp

          Filesize

          6.9MB

        • memory/508-0-0x0000000073D3E000-0x0000000073D3F000-memory.dmp

          Filesize

          4KB

        • memory/508-1-0x0000000000D10000-0x0000000000D5A000-memory.dmp

          Filesize

          296KB

        • memory/508-7-0x0000000073D30000-0x000000007441E000-memory.dmp

          Filesize

          6.9MB

        • memory/508-2-0x0000000073D30000-0x000000007441E000-memory.dmp

          Filesize

          6.9MB

        • memory/1552-108-0x00000000007E0000-0x000000000082A000-memory.dmp

          Filesize

          296KB

        • memory/3656-126-0x00000000200E0000-0x000000002033F000-memory.dmp

          Filesize

          2.4MB

        • memory/3656-148-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/3656-125-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/3656-140-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/3656-112-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/3656-124-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/3656-110-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/3656-114-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/4116-4-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/4116-46-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/4116-28-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/4116-9-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/4116-11-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/4116-31-0x00000000227F0000-0x0000000022A4F000-memory.dmp

          Filesize

          2.4MB

        • memory/4116-71-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/4116-29-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/4116-72-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/4116-79-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/4116-45-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/4116-80-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/5020-96-0x0000000000400000-0x000000000045D000-memory.dmp

          Filesize

          372KB

        • memory/5020-98-0x0000000000400000-0x000000000045D000-memory.dmp

          Filesize

          372KB

        • memory/5020-100-0x0000000000400000-0x000000000045D000-memory.dmp

          Filesize

          372KB