Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    19-07-2024 18:08

General

  • Target

    fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674.exe

  • Size

    5.2MB

  • MD5

    0891d36dd26059e8a74ada84fd9885e5

  • SHA1

    743f9e888626f1313ef387e4fe4d16c86f092ef9

  • SHA256

    fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674

  • SHA512

    874bf077b0878deefae6542d48057aa4291bbb73747da90d24e7b8721c96a83768dd6a9dcc1dd4b00200185a50a4066f3cffd0c09e042863ba0396ac56297782

  • SSDEEP

    98304:zKWiKUEpu5K2BgXs3eR6xH/KtnojpHXrD8Xs91Ae7Vfy2R1:zKWiKU+AGXuocUnojRXrD8Xs9V7ly2j

Malware Config

Extracted

Family

vidar

Version

10.5

Botnet

3a901b2c4dd248059af72250cf07aba7

C2

https://t.me/s41l0

https://steamcommunity.com/profiles/76561199743486170

Attributes
  • user_agent

    Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 YaBrowser/24.6.0.0 Safari/537.36

Signatures

  • Detect Vidar Stealer 3 IoCs
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Downloads MZ/PE file
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • 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
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674.exe
    "C:\Users\Admin\AppData\Local\Temp\fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2552
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      2⤵
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2800
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\JDGCGHCGHCBF" & exit
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1428
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 10
          4⤵
          • Delays execution with timeout.exe
          PID:1364

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    342B

    MD5

    6c2cc1b9992d39a3b5aa411a69f5916a

    SHA1

    20092d514834888a46c7cf2dc02afcb84fd02a19

    SHA256

    97c982d51d3999d11a3eb34301fd7413f5347e5f561669455d736896607cf59a

    SHA512

    d324f0024e3f090bcd144cae073156d0f3b0373bf4a92ca898d9226d75faddcbed1eedd81d39e0212a8290d18c566248f9b07f55a2dae3ab04eb5ab003adfb11

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

    Filesize

    342B

    MD5

    facc48c618c6a12300a049db0cd6bca8

    SHA1

    9c92b883ac6151f51aff643a671a2be50521a0df

    SHA256

    88c534101d4687cec5c9f6a2e5b1b842ad4bc51e7ada766dbfb01e86f337ab37

    SHA512

    7d83411da2321719e7f3416c37f07318e229e33f1b8e0d151e2c7c59c5ec74ef2272a30d7c7983dfbfecdc8f4112ba123245b120d2d1d7cc7675177bf00fc054

  • C:\Users\Admin\AppData\Local\Temp\CabEB2C.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarEB4E.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • memory/2552-37-0x0000000000570000-0x0000000000585000-memory.dmp

    Filesize

    84KB

  • memory/2552-7-0x0000000000570000-0x0000000000585000-memory.dmp

    Filesize

    84KB

  • memory/2552-6-0x0000000000570000-0x0000000000585000-memory.dmp

    Filesize

    84KB

  • memory/2552-35-0x0000000000570000-0x0000000000585000-memory.dmp

    Filesize

    84KB

  • memory/2552-17-0x0000000000570000-0x0000000000585000-memory.dmp

    Filesize

    84KB

  • memory/2552-24-0x0000000000570000-0x0000000000585000-memory.dmp

    Filesize

    84KB

  • memory/2552-65-0x0000000000570000-0x0000000000585000-memory.dmp

    Filesize

    84KB

  • memory/2552-63-0x0000000000570000-0x0000000000585000-memory.dmp

    Filesize

    84KB

  • memory/2552-61-0x0000000000570000-0x0000000000585000-memory.dmp

    Filesize

    84KB

  • memory/2552-59-0x0000000000570000-0x0000000000585000-memory.dmp

    Filesize

    84KB

  • memory/2552-0-0x000000007409E000-0x000000007409F000-memory.dmp

    Filesize

    4KB

  • memory/2552-55-0x0000000000570000-0x0000000000585000-memory.dmp

    Filesize

    84KB

  • memory/2552-33-0x0000000000570000-0x0000000000585000-memory.dmp

    Filesize

    84KB

  • memory/2552-51-0x0000000000570000-0x0000000000585000-memory.dmp

    Filesize

    84KB

  • memory/2552-49-0x0000000000570000-0x0000000000585000-memory.dmp

    Filesize

    84KB

  • memory/2552-47-0x0000000000570000-0x0000000000585000-memory.dmp

    Filesize

    84KB

  • memory/2552-45-0x0000000000570000-0x0000000000585000-memory.dmp

    Filesize

    84KB

  • memory/2552-43-0x0000000000570000-0x0000000000585000-memory.dmp

    Filesize

    84KB

  • memory/2552-41-0x0000000000570000-0x0000000000585000-memory.dmp

    Filesize

    84KB

  • memory/2552-39-0x0000000000570000-0x0000000000585000-memory.dmp

    Filesize

    84KB

  • memory/2552-57-0x0000000000570000-0x0000000000585000-memory.dmp

    Filesize

    84KB

  • memory/2552-5-0x0000000000570000-0x000000000058C000-memory.dmp

    Filesize

    112KB

  • memory/2552-53-0x0000000000570000-0x0000000000585000-memory.dmp

    Filesize

    84KB

  • memory/2552-31-0x0000000000570000-0x0000000000585000-memory.dmp

    Filesize

    84KB

  • memory/2552-29-0x0000000000570000-0x0000000000585000-memory.dmp

    Filesize

    84KB

  • memory/2552-27-0x0000000000570000-0x0000000000585000-memory.dmp

    Filesize

    84KB

  • memory/2552-25-0x0000000000570000-0x0000000000585000-memory.dmp

    Filesize

    84KB

  • memory/2552-21-0x0000000000570000-0x0000000000585000-memory.dmp

    Filesize

    84KB

  • memory/2552-19-0x0000000000570000-0x0000000000585000-memory.dmp

    Filesize

    84KB

  • memory/2552-15-0x0000000000570000-0x0000000000585000-memory.dmp

    Filesize

    84KB

  • memory/2552-13-0x0000000000570000-0x0000000000585000-memory.dmp

    Filesize

    84KB

  • memory/2552-11-0x0000000000570000-0x0000000000585000-memory.dmp

    Filesize

    84KB

  • memory/2552-9-0x0000000000570000-0x0000000000585000-memory.dmp

    Filesize

    84KB

  • memory/2552-68-0x0000000074090000-0x000000007477E000-memory.dmp

    Filesize

    6.9MB

  • memory/2552-1-0x0000000000A50000-0x0000000000F84000-memory.dmp

    Filesize

    5.2MB

  • memory/2552-2-0x0000000074090000-0x000000007477E000-memory.dmp

    Filesize

    6.9MB

  • memory/2552-82-0x0000000074090000-0x000000007477E000-memory.dmp

    Filesize

    6.9MB

  • memory/2552-3-0x00000000051E0000-0x0000000005360000-memory.dmp

    Filesize

    1.5MB

  • memory/2552-4-0x0000000004D10000-0x0000000004E3A000-memory.dmp

    Filesize

    1.2MB

  • memory/2800-66-0x0000000000400000-0x0000000000640000-memory.dmp

    Filesize

    2.2MB

  • memory/2800-81-0x0000000000400000-0x0000000000640000-memory.dmp

    Filesize

    2.2MB

  • memory/2800-305-0x0000000000400000-0x0000000000640000-memory.dmp

    Filesize

    2.2MB

  • memory/2800-69-0x0000000000400000-0x0000000000640000-memory.dmp

    Filesize

    2.2MB

  • memory/2800-520-0x0000000000400000-0x0000000000640000-memory.dmp

    Filesize

    2.2MB