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Analysis

  • max time kernel
    95s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/09/2024, 10:17

General

  • Target

    72d4e5a68545de1c0268a4616db6807e90a027e0191dda20377ecbd61ae577f0.exe

  • Size

    292KB

  • MD5

    fede424830238cf2c2e661b5cb12e584

  • SHA1

    5a8f787c25eccd1e5a8d293625ef80c5d416da19

  • SHA256

    72d4e5a68545de1c0268a4616db6807e90a027e0191dda20377ecbd61ae577f0

  • SHA512

    713891e18a615e7013f555d05b08eb91e7520b94e1bba0fa0483c29f6f3af5ef8f2055b2e35e8e83b75cd41256b5fd86405318b87440da463b82daedfd8ac39f

  • SSDEEP

    6144:SUehHGTrrMAUWyioL61kWNVREN/EFO2LYuNJReyViEO:SU7nz4s1kWNvEVLTuplIEO

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 20 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
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 12 IoCs
  • Suspicious use of WriteProcessMemory 41 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\72d4e5a68545de1c0268a4616db6807e90a027e0191dda20377ecbd61ae577f0.exe
    "C:\Users\Admin\AppData\Local\Temp\72d4e5a68545de1c0268a4616db6807e90a027e0191dda20377ecbd61ae577f0.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3844
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • Checks computer location settings
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3660
      • 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:1772
        • 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:4648
      • C:\ProgramData\JKJKKKJJJK.exe
        "C:\ProgramData\JKJKKKJJJK.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2012
        • 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:3776
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\FIEHDBGDHDAE" & exit
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2784
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 10
          4⤵
          • System Location Discovery: System Language Discovery
          • Delays execution with timeout.exe
          PID:1516

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\BKECAEBGHDAE\HDBGHI

    Filesize

    160KB

    MD5

    f310cf1ff562ae14449e0167a3e1fe46

    SHA1

    85c58afa9049467031c6c2b17f5c12ca73bb2788

    SHA256

    e187946249cd390a3c1cf5d4e3b0d8f554f9acdc416bf4e7111fff217bb08855

    SHA512

    1196371de08c964268c44103ccaed530bda6a145df98e0f480d8ee5ad58cb6fb33ca4c9195a52181fe864726dcf52e6a7a466d693af0cda43400a3a7ef125fad

  • C:\ProgramData\JKJKKKJJJK.exe

    Filesize

    293KB

    MD5

    6d1999f1096cee3f06507e0d896d7c4a

    SHA1

    947cde63e799d23622468caecd0172a4ce8e8c17

    SHA256

    6f8b44c727d44c82461e3e33098a1d93517bd200c4489120914f34e22715309c

    SHA512

    eb46aa64facd4456eaad1b24ee158b9e7bd5426580caf1ca4d5cd24fe08127612b8fcb2e1cedd054daff85e315d3942fb75bc5959c89baadf832d70a8a0982b1

  • C:\ProgramData\mozglue.dll

    Filesize

    593KB

    MD5

    c8fd9be83bc728cc04beffafc2907fe9

    SHA1

    95ab9f701e0024cedfbd312bcfe4e726744c4f2e

    SHA256

    ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

    SHA512

    fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

  • C:\ProgramData\nss3.dll

    Filesize

    2.0MB

    MD5

    1cc453cdf74f31e4d913ff9c10acdde2

    SHA1

    6e85eae544d6e965f15fa5c39700fa7202f3aafe

    SHA256

    ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

    SHA512

    dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

  • 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

    9541342916b0c5b0ee2f6062398b867f

    SHA1

    46fc51b5aa29f366ef96946c16cbe9b7f67c9392

    SHA256

    e6548a38d5a516be84c393b45ce4a1577e4bbd6bb40aad980237037fe0e5a740

    SHA512

    d763f9f0676bb94f8211aae463896cf1c545531c1c43ee9d60272427c3a7ea56dc332e8e4a08c570a87bc26908de326ef0f196da8ad79051f6cad2dfcd0579aa

  • 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

    0b18c1f6c4a7fdc2316c82764e848340

    SHA1

    583ca3c8cab3694a637b12d894e5ae91aa753811

    SHA256

    2648d4cd04070ddd9ece833752d9b61f2d67d8fb37844857fcd29e8a0f1b085c

    SHA512

    b85d130a67e1323538db1b33f684802ef811ebe11fe792e733507fb96924e0a497864db4c8fb618ce767659f8e183160f536f7287ce6ba73e2c9a0e2730cab39

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

    Filesize

    450B

    MD5

    b7cb736cb23ebd323997984a502938ae

    SHA1

    4281c18bcc7c89f8c774b3b3024d7c06d0532572

    SHA256

    cc303e8a90ccb9b48ce7b00a365794396151c2c0e34bf4c32d391dbb2bbf2b62

    SHA512

    b0d4acd866d35ac2b605b01d71beba02293ecaa7fc5c570340eb8bbf7b0b101ec47be348fd6c18bb466724b76cb4db86c1d2d87bf842c84af46c0232a6d571ee

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

    Filesize

    458B

    MD5

    584edf02da07c9d639755a282d06e25c

    SHA1

    71a4890695f7f919786175ee7218f1ef41247874

    SHA256

    2c62b641cd2d1936ade4f7f3759f71f9ca7ad88204abc9ffd0405c86b1fa7971

    SHA512

    addc7f181a5dad85839d7740bdb929a6f8f691d3392474e98f079a9dfff9431d9c4fc3c921fa2fbc8f084ecfb181915abd11afc71c105e7253dbe20ed47c2926

  • memory/1772-114-0x0000000000450000-0x00000000004AA000-memory.dmp

    Filesize

    360KB

  • memory/1772-115-0x0000000071FC0000-0x0000000072770000-memory.dmp

    Filesize

    7.7MB

  • memory/1772-113-0x0000000071FCE000-0x0000000071FCF000-memory.dmp

    Filesize

    4KB

  • memory/1772-122-0x0000000071FC0000-0x0000000072770000-memory.dmp

    Filesize

    7.7MB

  • memory/2012-137-0x0000000000F00000-0x0000000000F4A000-memory.dmp

    Filesize

    296KB

  • memory/3660-42-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/3660-25-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/3660-85-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/3660-92-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/3660-93-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/3660-60-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/3660-59-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/3660-43-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/3660-4-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/3660-9-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/3660-11-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/3660-28-0x0000000022A70000-0x0000000022CCF000-memory.dmp

    Filesize

    2.4MB

  • memory/3660-84-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/3660-26-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/3776-139-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/3776-152-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/3776-143-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/3776-141-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/3776-169-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/3776-168-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/3776-154-0x00000000228C0000-0x0000000022B1F000-memory.dmp

    Filesize

    2.4MB

  • memory/3776-153-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/3844-6-0x0000000074A80000-0x0000000075230000-memory.dmp

    Filesize

    7.7MB

  • memory/3844-2-0x0000000074A80000-0x0000000075230000-memory.dmp

    Filesize

    7.7MB

  • memory/3844-0-0x0000000074A8E000-0x0000000074A8F000-memory.dmp

    Filesize

    4KB

  • memory/3844-7-0x0000000074A80000-0x0000000075230000-memory.dmp

    Filesize

    7.7MB

  • memory/3844-1-0x0000000000ED0000-0x0000000000F1A000-memory.dmp

    Filesize

    296KB

  • memory/4648-123-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/4648-120-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/4648-117-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB