Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    24-09-2024 01:55

General

  • Target

    ef0ad84528750e2dc891ed819018c7c0d28fe038c92fd2612a5f26ad9863736c.exe

  • Size

    394KB

  • MD5

    c41324a0ed75ade060a048d20be4bb0b

  • SHA1

    cb60c01d5de4c7666095e61553573e813625d177

  • SHA256

    ef0ad84528750e2dc891ed819018c7c0d28fe038c92fd2612a5f26ad9863736c

  • SHA512

    7874707dfb5c2107f24d6889b4720fe8bc127028f49b6a88869b0769f8956bb4135a3a3b926e03adfcfb5dddf5475451ad7ec7bac106751eb34015e4b9ee116c

  • SSDEEP

    12288:aloPGt8jdL8EkgOMAcr08Y2ji7GHVPB5n8Ba8r:ql2dLig5AcA8YOiSHVJ5nUaQ

Malware Config

Extracted

Family

vidar

Version

11

Botnet

3a15237aa92dcd8ccca447211fb5fc2a

C2

https://steamcommunity.com/profiles/76561199780418869

https://t.me/ae5ed

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:130.0) Gecko/20100101 Firefox/130.0

Signatures

  • Detect Vidar Stealer 17 IoCs
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Downloads MZ/PE file
  • Drops startup file 64 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 64 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 3 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
  • Adds Run key to start application 2 TTPs 64 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 7 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 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ef0ad84528750e2dc891ed819018c7c0d28fe038c92fd2612a5f26ad9863736c.exe
    "C:\Users\Admin\AppData\Local\Temp\ef0ad84528750e2dc891ed819018c7c0d28fe038c92fd2612a5f26ad9863736c.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:464
    • 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:1712
      • C:\ProgramData\HJDAFIEHIE.exe
        "C:\ProgramData\HJDAFIEHIE.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1428
        • C:\Users\Admin\AppData\Local\Temp\Software\IDSM.exe
          "C:\Users\Admin\AppData\Local\Temp\Software\IDSM.exe"
          4⤵
          • Drops startup file
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:872
          • C:\Users\Admin\AppData\Local\Temp\Software\MSDNG.exe
            "C:\Users\Admin\AppData\Local\Temp\Software\MSDNG.exe" --checker
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1636
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\FBFCFIEBKEGH" & exit
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1980
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 10
          4⤵
          • System Location Discovery: System Language Discovery
          • Delays execution with timeout.exe
          PID:308

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

    79a9c9252488642d19475e88a75796ae

    SHA1

    07fcbb12984f8ded0c5359eaf06df849b0b5bd60

    SHA256

    9adbb0f5ca2119f43d76e298b32326f09041bf854c586e012fa967029ed5573d

    SHA512

    1c76f7afc85dc9a850519aabe2278f7e2c7eccf093c931391b9b68ac5cfad1014fabade255973e7f7fac729e28b3e77033e8d1b89b95bdebf82e23c77139cdaf

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

    Filesize

    342B

    MD5

    0fdf4fd4c3ffb56e584e4ebc3d5ab075

    SHA1

    e25de033342c48f697a52f78de16f78e2b9ee512

    SHA256

    f9c7893ce9e940f1afe0954dd9ccfde1109e7a99127661f98154e54bf0b8c00a

    SHA512

    add2a3d4c48a4ff7a2829136c1886a6cce82a3c788e8eddfefda52dcf7b6462a9064e289af44b2c2b0656374228ffe2890dbeccfeecabddebcd27b7b7ce3eb61

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

    Filesize

    242B

    MD5

    06340e041c4ad0e0192b04c4da51c258

    SHA1

    57ab8f63d623b03cc7be66a9d63b7b0f9c0dd7d3

    SHA256

    435f4b05db90a6419d4df4f6039e279ce45426360640b76266a064313abc6861

    SHA512

    2ccc4232849b5e91ccd6fe46414ed5e04fb318ef2e3b395cfb49bfc0cc84cc90de965f24670093ed41603c50e863b9aa65af0c0b5fd41983027329d1acb78020

  • C:\Users\Admin\AppData\Local\Temp\CabC035.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarC058.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\IDSM_6dccbc173d2b4d868c34abca520a4e2f.lnk

    Filesize

    1KB

    MD5

    ef31288272f527541f84dc419b7ea13d

    SHA1

    02d97cc42eea3057d8a5fce7bab57bd5e3c51100

    SHA256

    a3c04f4e196e455ed33e5109dd2dcc1e45ce8cbd59bee4356254c08441680134

    SHA512

    e1666ed598dc6ff24e702568e0d0119766688eb2a398dfbf20246fcc114e02008f1bf7672d92f9b632cb431a0f15e47e8155ab85bb294e54aa747c233f9f1bc7

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\IDSM_83ecf88c737c46dc873575e84feeb3cc.lnk

    Filesize

    1KB

    MD5

    8d865f539d8f6f691121f366e7081b57

    SHA1

    beda3488676a0e9cc241103e8c712a1cc71c4fac

    SHA256

    b84ba7deb0182e3100277b535b58057e05aaead66609b3531b6a090398ab71f2

    SHA512

    62067b92094914a088f9c7c018c707de0879b5308d4df372eccce988683cda8438074d39cd2e21b1b73d0a6423da28541c2c6fee06bc36f228e4659f4b4a8fff

  • \ProgramData\HJDAFIEHIE.exe

    Filesize

    410KB

    MD5

    85a11b316f726fa24547c289aa61092e

    SHA1

    b2e79c0f56b03f4213bab0b62190666e78940b82

    SHA256

    5864b9c1714f615fa1fa40f60b9e14cfb534ec217e9e4a013fa5959217adabe8

    SHA512

    4adf0998b395e502ee2d2e3ac9e58b64a537cd82a827175866522d642ec406c704665912e228f2f3e04a69d7b716da5801553dc71991f7ceac3c3b7444f13038

  • \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/464-17-0x00000000747E0000-0x0000000074ECE000-memory.dmp

    Filesize

    6.9MB

  • memory/464-0-0x00000000747EE000-0x00000000747EF000-memory.dmp

    Filesize

    4KB

  • memory/464-1-0x0000000000B10000-0x0000000000B78000-memory.dmp

    Filesize

    416KB

  • memory/872-579-0x0000000001330000-0x00000000013DA000-memory.dmp

    Filesize

    680KB

  • memory/1428-554-0x0000000072FCE000-0x0000000072FCF000-memory.dmp

    Filesize

    4KB

  • memory/1428-555-0x0000000001220000-0x00000000012CA000-memory.dmp

    Filesize

    680KB

  • memory/1428-556-0x00000000004E0000-0x00000000004E1000-memory.dmp

    Filesize

    4KB

  • memory/1636-590-0x0000000000FE0000-0x000000000108A000-memory.dmp

    Filesize

    680KB

  • memory/1712-201-0x0000000020410000-0x000000002066F000-memory.dmp

    Filesize

    2.4MB

  • memory/1712-444-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/1712-212-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/1712-199-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/1712-231-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/1712-162-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/1712-20-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/1712-370-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/1712-9-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/1712-12-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/1712-395-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/1712-200-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/1712-467-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/1712-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1712-15-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/1712-18-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/1712-23-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/1712-5-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/1712-11-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/1712-8-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/1712-3-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/1712-742-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB