Analysis

  • max time kernel
    135s
  • max time network
    304s
  • 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, 22:31

General

  • Target

    16358e5cb11b110f739d10d61f23ae9107f01e3757f1c1bbc3f0e71b7404e579.exe

  • Size

    292KB

  • MD5

    b9e09917fbda00f390cf009dc958051d

  • SHA1

    23baeca0d2a64746112d308c644f8daf6136a4bf

  • SHA256

    16358e5cb11b110f739d10d61f23ae9107f01e3757f1c1bbc3f0e71b7404e579

  • SHA512

    53494a6e257030aa8a6373aacdf2490e0f1432d3c6556f9c57161b38ce4ec6dfe2d2c7dec732d029de6dc5d81b876f1be3c18892cc3f9305d00e2a21594fdd21

  • SSDEEP

    6144:aVlTsl/ziXVssyKy0HwGRNorqJy++eMumaCHjJp7MuwnwqW0HE/JJM5EO:Eul/OXV1yKpHLlMuWT7MuhqWceOEO

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 16 IoCs
  • Suspicious use of WriteProcessMemory 44 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\16358e5cb11b110f739d10d61f23ae9107f01e3757f1c1bbc3f0e71b7404e579.exe
    "C:\Users\Admin\AppData\Local\Temp\16358e5cb11b110f739d10d61f23ae9107f01e3757f1c1bbc3f0e71b7404e579.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1900
    • 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:796
      • C:\ProgramData\IJJDBAEHIJ.exe
        "C:\ProgramData\IJJDBAEHIJ.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4804
        • 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:4480
      • C:\ProgramData\AEGHJKJKKJ.exe
        "C:\ProgramData\AEGHJKJKKJ.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1252
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          4⤵
            PID:3760
          • 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:4908
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\HCBAKJEHDBGH" & exit
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2240
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 10
            4⤵
            • System Location Discovery: System Language Discovery
            • Delays execution with timeout.exe
            PID:364

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\AEGHJKJKKJ.exe

      Filesize

      293KB

      MD5

      6d1999f1096cee3f06507e0d896d7c4a

      SHA1

      947cde63e799d23622468caecd0172a4ce8e8c17

      SHA256

      6f8b44c727d44c82461e3e33098a1d93517bd200c4489120914f34e22715309c

      SHA512

      eb46aa64facd4456eaad1b24ee158b9e7bd5426580caf1ca4d5cd24fe08127612b8fcb2e1cedd054daff85e315d3942fb75bc5959c89baadf832d70a8a0982b1

    • C:\ProgramData\IJJDBAEHIJ.exe

      Filesize

      355KB

      MD5

      731a25a9b1f2c31056f7bd75c71deac4

      SHA1

      ac95005a75add78f8226e553ff3bb32bcfeef1ea

      SHA256

      d0285d1ff85d7ef17ce9e3c0b185bd93624d6fde47a2cf0ec99a8cfd4a7afb0d

      SHA512

      efccfa84482c3a262c2efe9d5107a22a94efae352a46d01c0c677266835bb1d4b04a105ff7b94c5042640d40672576512ca06201260a5ee82257c7f524304fa4

    • C:\ProgramData\JJKFBAKFBGDH\GIEBFH

      Filesize

      148KB

      MD5

      90a1d4b55edf36fa8b4cc6974ed7d4c4

      SHA1

      aba1b8d0e05421e7df5982899f626211c3c4b5c1

      SHA256

      7cf3e9e8619904e72ea6608cc43e9b6c9f8aa2af02476f60c2b3daf33075981c

      SHA512

      ea0838be754e1258c230111900c5937d2b0788f90bbf7c5f82b2ceda7868e50afb86c301f313267eaa912778da45755560b5434885521bf915967a7863922ae2

    • 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

      aca0077a0a6da1d14cd19d9814e292e8

      SHA1

      ed1d5c639ba12e2b5031af1e59b5240d435ad3dc

      SHA256

      9fe7b531579f805faf692acba5f848f323bafd73f0fdb22f0d8d0dccfa543dac

      SHA512

      8efa7053c9f5406f13d20049f10003b8357a32959c2c6f3a3e3e5877f431bc1402c40495018d1579dcea0201d5d828152641a8c55a50c96211d5d9da0b67f912

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

      Filesize

      450B

      MD5

      01b2eec0d4304550a9196503efc35dd8

      SHA1

      15b7c917229d3879d08eff998e24ce3e623f81c2

      SHA256

      8fa94335f2019f6eb4313e60f6d03677aae5bfd435ae2ad4ae3822da7118c3cd

      SHA512

      01bbd259878cacc4e729407cc106d748733091116de2b820d7feb46f13dddb1cb600b20cc536d14de3a36757d76a80943bd0111de9d8cedcc3441d27e5b34ef2

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

      Filesize

      458B

      MD5

      5554e00a7588a78bdf0ddbe0e44add57

      SHA1

      51a2589646d95d4ce2cba6b106e0a46fc7d08722

      SHA256

      491c0726defb9b0eea3fa1d9779867a7ba9e857b5620cac67f92d919bb885f53

      SHA512

      0a391a23b31043b67fc86fcbf52ffcc0e08dd6cd7ee04e04e35070bc26340ad510fc1202f5c3ee8df4ad24e75875273123b288265bb4943d5e9a4662f61e1039

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

      Filesize

      104B

      MD5

      a5101ef8af282323ffcc3cda1c8c3d8a

      SHA1

      354efb2bc836a8d2be65e1441ff7a1e2796b11bf

      SHA256

      3e7fd12b7499885513ec8a2b3203fcc601154d0364ee53ecb2debd35f159bb27

      SHA512

      ad2d4ab89ed402e10903804c6f1f2a9c81105bfabe1fc3cb70c725c0f63ee9a6e2848fe8f32b126225d743e06dee8bd9ec3676c3a08f9e4a20414ecc4efabf32

    • \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/796-45-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/796-29-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/796-4-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/796-71-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/796-72-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/796-79-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/796-80-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/796-30-0x0000000022510000-0x000000002276F000-memory.dmp

      Filesize

      2.4MB

    • memory/796-46-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/796-10-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/796-8-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/796-28-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/1252-113-0x0000000000530000-0x000000000057A000-memory.dmp

      Filesize

      296KB

    • memory/1900-6-0x0000000073AA0000-0x000000007418E000-memory.dmp

      Filesize

      6.9MB

    • memory/1900-0-0x0000000073AAE000-0x0000000073AAF000-memory.dmp

      Filesize

      4KB

    • memory/1900-1-0x0000000000480000-0x00000000004CA000-memory.dmp

      Filesize

      296KB

    • memory/1900-2-0x0000000073AA0000-0x000000007418E000-memory.dmp

      Filesize

      6.9MB

    • memory/1900-13-0x0000000073AA0000-0x000000007418E000-memory.dmp

      Filesize

      6.9MB

    • memory/4480-103-0x0000000000400000-0x000000000045D000-memory.dmp

      Filesize

      372KB

    • memory/4480-105-0x0000000000400000-0x000000000045D000-memory.dmp

      Filesize

      372KB

    • memory/4480-98-0x0000000000400000-0x000000000045D000-memory.dmp

      Filesize

      372KB

    • memory/4804-100-0x0000000072410000-0x0000000072AFE000-memory.dmp

      Filesize

      6.9MB

    • memory/4804-101-0x0000000072410000-0x0000000072AFE000-memory.dmp

      Filesize

      6.9MB

    • memory/4804-96-0x0000000072410000-0x0000000072AFE000-memory.dmp

      Filesize

      6.9MB

    • memory/4804-95-0x000000007241E000-0x000000007241F000-memory.dmp

      Filesize

      4KB

    • memory/4804-94-0x0000000000D90000-0x0000000000DEA000-memory.dmp

      Filesize

      360KB

    • memory/4908-118-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/4908-119-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/4908-129-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/4908-130-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/4908-131-0x000000001FD30000-0x000000001FF8F000-memory.dmp

      Filesize

      2.4MB

    • memory/4908-145-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/4908-115-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/4908-146-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB