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Analysis

  • max time kernel
    121s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    12/08/2024, 07:47

General

  • Target

    3b0041dfa75c093509fd3e2e1a144532.exe

  • Size

    3.3MB

  • MD5

    3b0041dfa75c093509fd3e2e1a144532

  • SHA1

    a294857985afb4a0e6ec3f2d5cb07cf2298ba94f

  • SHA256

    c18daf8d23214417f5c2165c850ffe0e83b657d9ba045dde50757cfd5b5f4dbc

  • SHA512

    f04a084d16d3ed056537d514edb7ebb81aa96aca384b35b12ca6fb1847a1cc205a24be5c9606d3043ddb1aa691d9e187df1a4e709a315283ea2d8437c7e87b66

  • SSDEEP

    49152:YQdYX/DGwoPPzLEfh+OuZA2lyfbSbU4SymzeSgfxMFB:YQW/JqzIND2lyf7hymzeSgqT

Malware Config

Extracted

Family

vidar

C2

https://steamcommunity.com/profiles/76561199751190313

https://t.me/pech0nk

Attributes
  • user_agent

    Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Signatures

  • Detect Vidar Stealer 3 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
  • Loads dropped DLL 2 IoCs
  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • System Location Discovery: System Language Discovery 1 TTPs 2 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 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 29 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3b0041dfa75c093509fd3e2e1a144532.exe
    "C:\Users\Admin\AppData\Local\Temp\3b0041dfa75c093509fd3e2e1a144532.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2256
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:2644

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F0ACCF77CDCBFF39F6191887F6D2D357

    Filesize

    1KB

    MD5

    a266bb7dcc38a562631361bbf61dd11b

    SHA1

    3b1efd3a66ea28b16697394703a72ca340a05bd5

    SHA256

    df545bf919a2439c36983b54cdfc903dfa4f37d3996d8d84b4c31eec6f3c163e

    SHA512

    0da8ef4f8f6ed3d16d2bc8eb816b9e6e1345dfe2d91160196c47e6149a1d6aedaafadcefd66acdea7f72dcf0832770192ceac15b0c559c4ccc2c0e5581d5aefc

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    87f1f36a142cb576e57523cd443cd680

    SHA1

    3fd5364bce5e2eede7f877a4383dc48b635ff531

    SHA256

    b343c18d146bcd832926150a67aace4c86d0adc4f6f85df1c148ae13ec468024

    SHA512

    9735911d9e105957db24e2afb21d07723d5ece2e96b585d8b5abaed5d691f8c66db0f160ea7ae8d079b11a940836cd7610b2463379c3cfe209d012ad1ff2c51b

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    062dc5290840426f3a0aa9d44e1a9db1

    SHA1

    f64c75648325fe52f4364d83a1c6a46038885940

    SHA256

    edef107955c841f0e929a1e3cb70327a3ffcdaf801f9ccf8c7612303bcfda00e

    SHA512

    6d7bdc1a7bde2bf7bb7feacb643cd9abef8e1176db46e6bddc3f7c8d6392c08b07625c947d30934092552a444453c8785fa12b1144a87e19af3a41336169e214

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357

    Filesize

    242B

    MD5

    c4230b9abf5635cdb47634b0d413d0a2

    SHA1

    c20fa9a10ef992ae730005901d73637c9bb0a0ab

    SHA256

    5d6b1286896fa4c30a873fab76dfd1470b8c0f09666bd64e7463c08d0381b5f0

    SHA512

    cc2e5bf9216f539a0e9771f6ec9a6806bc8383dd230bdfdcc2e68ea866cdd4fd939aa66502dc8aeb4bd4a4c33975e524896cd3fcb90d9fd86b48aade19a91c82

  • C:\Users\Admin\AppData\Local\Temp\CabBCCC.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarBCEE.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • \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/2256-35-0x00000000005A0000-0x00000000005B5000-memory.dmp

    Filesize

    84KB

  • memory/2256-23-0x00000000005A0000-0x00000000005B5000-memory.dmp

    Filesize

    84KB

  • memory/2256-6-0x00000000005A0000-0x00000000005B5000-memory.dmp

    Filesize

    84KB

  • memory/2256-25-0x00000000005A0000-0x00000000005B5000-memory.dmp

    Filesize

    84KB

  • memory/2256-65-0x00000000005A0000-0x00000000005B5000-memory.dmp

    Filesize

    84KB

  • memory/2256-63-0x00000000005A0000-0x00000000005B5000-memory.dmp

    Filesize

    84KB

  • memory/2256-61-0x00000000005A0000-0x00000000005B5000-memory.dmp

    Filesize

    84KB

  • memory/2256-59-0x00000000005A0000-0x00000000005B5000-memory.dmp

    Filesize

    84KB

  • memory/2256-57-0x00000000005A0000-0x00000000005B5000-memory.dmp

    Filesize

    84KB

  • memory/2256-55-0x00000000005A0000-0x00000000005B5000-memory.dmp

    Filesize

    84KB

  • memory/2256-51-0x00000000005A0000-0x00000000005B5000-memory.dmp

    Filesize

    84KB

  • memory/2256-49-0x00000000005A0000-0x00000000005B5000-memory.dmp

    Filesize

    84KB

  • memory/2256-47-0x00000000005A0000-0x00000000005B5000-memory.dmp

    Filesize

    84KB

  • memory/2256-45-0x00000000005A0000-0x00000000005B5000-memory.dmp

    Filesize

    84KB

  • memory/2256-43-0x00000000005A0000-0x00000000005B5000-memory.dmp

    Filesize

    84KB

  • memory/2256-41-0x00000000005A0000-0x00000000005B5000-memory.dmp

    Filesize

    84KB

  • memory/2256-39-0x00000000005A0000-0x00000000005B5000-memory.dmp

    Filesize

    84KB

  • memory/2256-37-0x00000000005A0000-0x00000000005B5000-memory.dmp

    Filesize

    84KB

  • memory/2256-4-0x0000000004A10000-0x0000000004B02000-memory.dmp

    Filesize

    968KB

  • memory/2256-33-0x00000000005A0000-0x00000000005B5000-memory.dmp

    Filesize

    84KB

  • memory/2256-31-0x00000000005A0000-0x00000000005B5000-memory.dmp

    Filesize

    84KB

  • memory/2256-29-0x00000000005A0000-0x00000000005B5000-memory.dmp

    Filesize

    84KB

  • memory/2256-27-0x00000000005A0000-0x00000000005B5000-memory.dmp

    Filesize

    84KB

  • memory/2256-5-0x00000000005A0000-0x00000000005BC000-memory.dmp

    Filesize

    112KB

  • memory/2256-21-0x00000000005A0000-0x00000000005B5000-memory.dmp

    Filesize

    84KB

  • memory/2256-19-0x00000000005A0000-0x00000000005B5000-memory.dmp

    Filesize

    84KB

  • memory/2256-17-0x00000000005A0000-0x00000000005B5000-memory.dmp

    Filesize

    84KB

  • memory/2256-15-0x00000000005A0000-0x00000000005B5000-memory.dmp

    Filesize

    84KB

  • memory/2256-13-0x00000000005A0000-0x00000000005B5000-memory.dmp

    Filesize

    84KB

  • memory/2256-11-0x00000000005A0000-0x00000000005B5000-memory.dmp

    Filesize

    84KB

  • memory/2256-9-0x00000000005A0000-0x00000000005B5000-memory.dmp

    Filesize

    84KB

  • memory/2256-7-0x00000000005A0000-0x00000000005B5000-memory.dmp

    Filesize

    84KB

  • memory/2256-53-0x00000000005A0000-0x00000000005B5000-memory.dmp

    Filesize

    84KB

  • memory/2256-66-0x0000000074040000-0x000000007472E000-memory.dmp

    Filesize

    6.9MB

  • memory/2256-78-0x0000000074040000-0x000000007472E000-memory.dmp

    Filesize

    6.9MB

  • memory/2256-0-0x000000007404E000-0x000000007404F000-memory.dmp

    Filesize

    4KB

  • memory/2256-1-0x0000000000CD0000-0x000000000101C000-memory.dmp

    Filesize

    3.3MB

  • memory/2256-2-0x00000000050E0000-0x0000000005238000-memory.dmp

    Filesize

    1.3MB

  • memory/2256-3-0x0000000074040000-0x000000007472E000-memory.dmp

    Filesize

    6.9MB

  • memory/2644-69-0x0000000000400000-0x0000000000643000-memory.dmp

    Filesize

    2.3MB

  • memory/2644-77-0x0000000000400000-0x0000000000643000-memory.dmp

    Filesize

    2.3MB

  • memory/2644-70-0x0000000000400000-0x0000000000643000-memory.dmp

    Filesize

    2.3MB

  • memory/2644-67-0x0000000000400000-0x0000000000643000-memory.dmp

    Filesize

    2.3MB

  • memory/2644-68-0x0000000000400000-0x0000000000643000-memory.dmp

    Filesize

    2.3MB

  • memory/2644-127-0x0000000000400000-0x0000000000643000-memory.dmp

    Filesize

    2.3MB