Analysis

  • max time kernel
    197s
  • max time network
    301s
  • 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 22:32

General

  • Target

    2a5d249ebceed527e7ea8d3e5bd9f6769dca5731d45fa4a2aa1495a28b96f98b.exe

  • Size

    274KB

  • MD5

    cedcd86d234896b7a4f145f0d0c2afc7

  • SHA1

    4c4e420ba4c157bbf1b93f4822b242a2a9dd304a

  • SHA256

    2a5d249ebceed527e7ea8d3e5bd9f6769dca5731d45fa4a2aa1495a28b96f98b

  • SHA512

    eb70d3ccf6970256155ae533407a1d904092356272b9ebffead37fbf55a8530f07e19b5ab3990e3ab4ff8c5f82e4413eaed99e605d33a0a28878ff99d5c5ae75

  • SSDEEP

    6144:tevsJRmJAvNCf3GIaWAlgO6dEkcsLOTvisCKsB:tgGRmJUSGYAt6dEkcVTvlsB

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 38 IoCs
  • Suspicious use of WriteProcessMemory 47 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2a5d249ebceed527e7ea8d3e5bd9f6769dca5731d45fa4a2aa1495a28b96f98b.exe
    "C:\Users\Admin\AppData\Local\Temp\2a5d249ebceed527e7ea8d3e5bd9f6769dca5731d45fa4a2aa1495a28b96f98b.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:380
    • 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:428
      • C:\ProgramData\DAECGCGHCG.exe
        "C:\ProgramData\DAECGCGHCG.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4968
        • 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:1492
      • C:\ProgramData\BFIDGHDBAF.exe
        "C:\ProgramData\BFIDGHDBAF.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2624
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          4⤵
            PID:2112
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            4⤵
              PID:2968
            • 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:1880
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\BAAEHDBFIDAF" & exit
            3⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2416
            • C:\Windows\SysWOW64\timeout.exe
              timeout /t 10
              4⤵
              • System Location Discovery: System Language Discovery
              • Delays execution with timeout.exe
              PID:4564

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\BFIDGHDBAF.exe

        Filesize

        293KB

        MD5

        6d1999f1096cee3f06507e0d896d7c4a

        SHA1

        947cde63e799d23622468caecd0172a4ce8e8c17

        SHA256

        6f8b44c727d44c82461e3e33098a1d93517bd200c4489120914f34e22715309c

        SHA512

        eb46aa64facd4456eaad1b24ee158b9e7bd5426580caf1ca4d5cd24fe08127612b8fcb2e1cedd054daff85e315d3942fb75bc5959c89baadf832d70a8a0982b1

      • C:\ProgramData\DAECGCGHCG.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

        77a0b9e3f18a6c716d41531295371b10

        SHA1

        78932ec5af76c8443efa053fb66cff349813ba4b

        SHA256

        d211a17c5ae77e41f6f46067457e14114480cf3ba42915375e895e8defe92e72

        SHA512

        4ccc2ab19cb7082167e7f094d23f29aa5706280145c342461648d81a1f337c47da4bd2784b1efad3ba1655d481c53153ad47f1bd3594fddc9bc59ca7cfe13420

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

        Filesize

        450B

        MD5

        5bf1905e1519dd5045b88954b3ceb98c

        SHA1

        675c53d1897307c6a223dcfd06d74c0a139fe9d1

        SHA256

        98b158e616696593339a5420c237b986ea2f59520f0e45db37dc7557be94e51c

        SHA512

        2f6dbca46a9ee056f723dc42e8fcf7e26e6358012306e0c5a122b9c7f9c4048a4a19261947130b53ff1fc727532f2b2aeb4160ee2d61ff8e52b2517abae387d3

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

        Filesize

        458B

        MD5

        aa1830bf436621fdd1c717a957c39823

        SHA1

        58d0c39ab770bfd009bd52b0ca74bad15d4ca4e1

        SHA256

        54660cd4431ef49ffe0e716299d5cee91a909795735829a0f1556243a1683385

        SHA512

        3ce720565aef7e1d49a823167ff9d234fa1f0e389be5fab7e4d81d47b5f1238d31f652f7146faa5c83ce94eddd7358610936cc05e3f8f1d199068a9545679bd4

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCookies\TYMY7MTF.cookie

        Filesize

        102B

        MD5

        515279109e8fd5b2bc6b44440f6ea2eb

        SHA1

        60c1c686010cfb8eecaef9976ff3f01f37ff872f

        SHA256

        17c7841a35e76381a56fe9d9cc277b77922e1f87a43a3f07500702d5771e31db

        SHA512

        dc6c1155b265c7858585e9889a82ed86bfbe4d0d12c3fc3f75c5c50fec13c830cbee1b61d994afc95f44aa0da9ddb359ffa8d6ec7ec4d487217c87ede21e4070

      • \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/380-12-0x00000000736C0000-0x0000000073DAE000-memory.dmp

        Filesize

        6.9MB

      • memory/380-2-0x0000000004D50000-0x000000000524E000-memory.dmp

        Filesize

        5.0MB

      • memory/380-0-0x00000000736CE000-0x00000000736CF000-memory.dmp

        Filesize

        4KB

      • memory/380-53-0x00000000736C0000-0x0000000073DAE000-memory.dmp

        Filesize

        6.9MB

      • memory/380-1-0x0000000000010000-0x000000000005A000-memory.dmp

        Filesize

        296KB

      • memory/428-45-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/428-71-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/428-80-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/428-72-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/428-4-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/428-9-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/428-7-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/428-79-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/428-27-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/428-28-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/428-44-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/428-29-0x0000000022120000-0x000000002237F000-memory.dmp

        Filesize

        2.4MB

      • memory/1492-104-0x0000000000400000-0x000000000045D000-memory.dmp

        Filesize

        372KB

      • memory/1492-98-0x0000000000400000-0x000000000045D000-memory.dmp

        Filesize

        372KB

      • memory/1492-101-0x0000000000400000-0x000000000045D000-memory.dmp

        Filesize

        372KB

      • memory/1880-119-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1880-129-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1880-115-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1880-117-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1880-142-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1880-141-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1880-131-0x000000001FE40000-0x000000002009F000-memory.dmp

        Filesize

        2.4MB

      • memory/1880-130-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2624-113-0x0000000000EF0000-0x0000000000F3A000-memory.dmp

        Filesize

        296KB

      • memory/4968-105-0x00000000716A0000-0x0000000071D8E000-memory.dmp

        Filesize

        6.9MB

      • memory/4968-95-0x00000000716AE000-0x00000000716AF000-memory.dmp

        Filesize

        4KB

      • memory/4968-94-0x0000000000ED0000-0x0000000000F2A000-memory.dmp

        Filesize

        360KB

      • memory/4968-96-0x00000000716A0000-0x0000000071D8E000-memory.dmp

        Filesize

        6.9MB

      • memory/4968-103-0x00000000716A0000-0x0000000071D8E000-memory.dmp

        Filesize

        6.9MB