Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    09-09-2024 05:06

General

  • Target

    97eb9202d98aa1d2ff12cbc779f715c8262b1c2281128b7ba26df7d1ed4930cb.exe

  • Size

    283KB

  • MD5

    3745160eac67b0511940bad6f7811903

  • SHA1

    287cac8a4cb9a0f873681ae3a5795b94929a9dcc

  • SHA256

    97eb9202d98aa1d2ff12cbc779f715c8262b1c2281128b7ba26df7d1ed4930cb

  • SHA512

    6e0dca82e029ec58fbb1e66128d2dd4c139d55330eb1e142e4f4cbfa64986e23c609f73dfd364aeb2e460c6351b4fb28197b1c493a48e4244ea7f1f015847056

  • SSDEEP

    6144:m6sqWNwaUUHgjHB7cY98ojNiWRz0Qx8aAkeqqokVsozY9ulJz2TJXMEO:mNPg9njNVHx8wero3un0J8EO

Malware Config

Extracted

Family

vidar

C2

https://t.me/fneogr

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 17 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
  • 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 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 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.

  • Delays execution with timeout.exe 1 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 34 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\97eb9202d98aa1d2ff12cbc779f715c8262b1c2281128b7ba26df7d1ed4930cb.exe
    "C:\Users\Admin\AppData\Local\Temp\97eb9202d98aa1d2ff12cbc779f715c8262b1c2281128b7ba26df7d1ed4930cb.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2340
    • 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
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2164
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\DAKJDAAFBKFH" & exit
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1948
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 10
          4⤵
          • System Location Discovery: System Language Discovery
          • Delays execution with timeout.exe
          PID:644
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2340 -s 552
      2⤵
      • Program crash
      PID:2456

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    342B

    MD5

    78ea125629d814623d8bca2e144026ab

    SHA1

    0b93fbf7f0fa50434a1ff11aa9da056e560b7f10

    SHA256

    7dcc68dda638366cf48a3c6891539c9383b94e2f636fd3d966a8a3ccbbf79b25

    SHA512

    9108d43309578ad24279af607a0310c3873083532de999ac7abd1150c41e7eb3c5b47430fc686096ef0d04ed6ee4bde425766338ff93bc15cc7d5488822933d6

  • C:\Users\Admin\AppData\Local\Temp\CabA23A.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarA25C.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/2164-16-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/2164-174-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/2164-10-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/2164-533-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/2164-14-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/2164-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2164-11-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/2164-18-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/2164-21-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/2164-442-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/2164-7-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/2164-5-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/2164-155-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/2164-9-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/2164-423-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/2164-404-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/2164-195-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/2164-196-0x0000000020280000-0x00000000204DF000-memory.dmp

    Filesize

    2.4MB

  • memory/2164-211-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/2164-255-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/2164-3-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/2164-361-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/2340-1-0x0000000000300000-0x000000000034A000-memory.dmp

    Filesize

    296KB

  • memory/2340-194-0x0000000073FF0000-0x00000000746DE000-memory.dmp

    Filesize

    6.9MB

  • memory/2340-193-0x0000000073FFE000-0x0000000073FFF000-memory.dmp

    Filesize

    4KB

  • memory/2340-8-0x0000000073FF0000-0x00000000746DE000-memory.dmp

    Filesize

    6.9MB

  • memory/2340-0-0x0000000073FFE000-0x0000000073FFF000-memory.dmp

    Filesize

    4KB