Analysis

  • max time kernel
    133s
  • 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 22:33

General

  • Target

    44408030fc2d6ab0d35a060e03f750a4d53dd9045debd1c189da636d07e86147.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 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 24 IoCs
  • Suspicious use of WriteProcessMemory 50 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\44408030fc2d6ab0d35a060e03f750a4d53dd9045debd1c189da636d07e86147.exe
    "C:\Users\Admin\AppData\Local\Temp\44408030fc2d6ab0d35a060e03f750a4d53dd9045debd1c189da636d07e86147.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2856
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:528
      • 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:5088
        • C:\ProgramData\AKKEGHJDHD.exe
          "C:\ProgramData\AKKEGHJDHD.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4824
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            4⤵
              PID:3496
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
              4⤵
                PID:364
              • 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:4380
            • C:\ProgramData\GHIDGDHCGC.exe
              "C:\ProgramData\GHIDGDHCGC.exe"
              3⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:4936
              • 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:3592
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\IIJDBGDGCGDA" & exit
              3⤵
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1576
              • 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

        Loading Replay Monitor...

        Downloads

        • C:\ProgramData\AKKEGHJDHD.exe

          Filesize

          355KB

          MD5

          731a25a9b1f2c31056f7bd75c71deac4

          SHA1

          ac95005a75add78f8226e553ff3bb32bcfeef1ea

          SHA256

          d0285d1ff85d7ef17ce9e3c0b185bd93624d6fde47a2cf0ec99a8cfd4a7afb0d

          SHA512

          efccfa84482c3a262c2efe9d5107a22a94efae352a46d01c0c677266835bb1d4b04a105ff7b94c5042640d40672576512ca06201260a5ee82257c7f524304fa4

        • C:\ProgramData\GHIDGDHCGC.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

          a9e9791cb7d9845228754641fcb02f14

          SHA1

          a2003d1f930acb6a9fb59a0c4124a5765b46a3fb

          SHA256

          1dbc7cb91003204d712ff1f469902979d93bcd1107ef9f032231aa5a2575a0ae

          SHA512

          1d1cfb12b036a8c9c6fee721822c7ceba65f97c0ee1b90a66c3bfacd38911d43bdc189e12e8b3bfc5e2c19c2ed06ae4547aac5894bd1d86635295f50fd772714

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

          Filesize

          450B

          MD5

          09dbb02eec0e376b4e68f3440aec34e6

          SHA1

          f91ad944fc76235168fef1cbd7ba3571bb6ad7ad

          SHA256

          26cce7f0243a1a015ee2712ace6c7586241ac88cfa06ea9220e966a470322255

          SHA512

          d17179a0a9f8b555aa5fe1278a7de3a7dc34b24f532f5df99257ce6d7e4718d97de830ed2981e452600f5caa1fdc3ec27aceaddfbcd1f38820cd5cd7dfc8b7bf

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

          Filesize

          458B

          MD5

          fefada87b45c26c79dae9fac1052634f

          SHA1

          ccfdf0bd5b5190ded2ecb235b98297130c42503f

          SHA256

          2d986b46a607d8f215110308b4c252979ffefa428ad3c422decfaccc741ec758

          SHA512

          7643fd5db8b48f922ce897723820435c071d4d620101a1c3830d9dff06457ce8d5344d72aa476a18b6c0afa5cb098786c07b307951479582fdef1bb0acfe8867

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCookies\4OJ42QFR.cookie

          Filesize

          100B

          MD5

          df9df85508686fd5dc0e4e81ddc581f3

          SHA1

          c6df9c8a6da0d798b13cb54a11eb6a643a2c8121

          SHA256

          12e60cb9f2a03b8360fb987eca45c70103fbc4fd29599298f2ff992b0b022e8f

          SHA512

          5e4e34ac25ba936e11d3d905aee2643910f939efa99dda3f3332b25be82358a7937b27d35003f30afed1e05dacb75706929d95f35529f4d1d2dd6ec396f3678a

        • \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/2856-2-0x0000000073F90000-0x000000007467E000-memory.dmp

          Filesize

          6.9MB

        • memory/2856-1-0x0000000000E20000-0x0000000000E6A000-memory.dmp

          Filesize

          296KB

        • memory/2856-6-0x0000000073F90000-0x000000007467E000-memory.dmp

          Filesize

          6.9MB

        • memory/2856-13-0x0000000073F90000-0x000000007467E000-memory.dmp

          Filesize

          6.9MB

        • memory/2856-0-0x0000000073F9E000-0x0000000073F9F000-memory.dmp

          Filesize

          4KB

        • memory/3592-138-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/3592-125-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/3592-111-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/3592-137-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/3592-127-0x000000001FBA0000-0x000000001FDFF000-memory.dmp

          Filesize

          2.4MB

        • memory/3592-115-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/3592-126-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/3592-113-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/4380-97-0x0000000000400000-0x000000000045D000-memory.dmp

          Filesize

          372KB

        • memory/4380-101-0x0000000000400000-0x000000000045D000-memory.dmp

          Filesize

          372KB

        • memory/4380-100-0x0000000000400000-0x000000000045D000-memory.dmp

          Filesize

          372KB

        • memory/4824-94-0x0000000072B2E000-0x0000000072B2F000-memory.dmp

          Filesize

          4KB

        • memory/4824-95-0x0000000000510000-0x000000000056A000-memory.dmp

          Filesize

          360KB

        • memory/4936-109-0x0000000000080000-0x00000000000CA000-memory.dmp

          Filesize

          296KB

        • memory/5088-46-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/5088-79-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/5088-72-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/5088-71-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/5088-80-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/5088-45-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/5088-30-0x00000000223F0000-0x000000002264F000-memory.dmp

          Filesize

          2.4MB

        • memory/5088-29-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/5088-28-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/5088-10-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/5088-9-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/5088-4-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB