Analysis

  • max time kernel
    256s
  • max time network
    260s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    27-03-2023 20:30

General

  • Target

    LDPLayer.exe

  • Size

    1106.4MB

  • MD5

    9e9acd3fed40e009b48db9db81ca26b8

  • SHA1

    80d89d18dae1f268108686e00f1e8dcd536d23b8

  • SHA256

    df5b8c7f9f471370bd28dfe436d923c9fff5ec7eb0916cc4eb05cab69071a375

  • SHA512

    8e75e0b6b471e951df306ee0c15324b992d43d28b7141bdc86070c3d45c0913e76553c678cebe6672e4bd6b980e0899e715111fb17e32447393d783911857008

  • SSDEEP

    12288:vcieJy1y9vL/CSvh4RRlE+U9gBwMKLzpd:vWg8ZLBefJU995Lzj

Malware Config

Extracted

Family

vidar

Version

3.1

Botnet

3037f12060a20d880cc80c86ab34fe19

C2

https://steamcommunity.com/profiles/76561199472266392

https://t.me/tabootalks

http://135.181.26.183:80

Attributes
  • profile_id_v2

    3037f12060a20d880cc80c86ab34fe19

  • user_agent

    Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36 OPR/91.0.4516.79

Signatures

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Loads dropped DLL 2 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Accesses 2FA software files, possible credential harvesting 2 TTPs
  • 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 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\LDPLayer.exe
    "C:\Users\Admin\AppData\Local\Temp\LDPLayer.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1488
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
      2⤵
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1356
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe" & exit
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1684
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 6
          4⤵
          • Delays execution with timeout.exe
          PID:848

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    61KB

    MD5

    e71c8443ae0bc2e282c73faead0a6dd3

    SHA1

    0c110c1b01e68edfacaeae64781a37b1995fa94b

    SHA256

    95b0a5acc5bf70d3abdfd091d0c9f9063aa4fde65bd34dbf16786082e1992e72

    SHA512

    b38458c7fa2825afb72794f374827403d5946b1132e136a0ce075dfd351277cf7d957c88dc8a1e4adc3bcae1fa8010dae3831e268e910d517691de24326391a6

  • C:\Users\Admin\AppData\Local\Temp\TarA33A.tmp

    Filesize

    161KB

    MD5

    be2bec6e8c5653136d3e72fe53c98aa3

    SHA1

    a8182d6db17c14671c3d5766c72e58d87c0810de

    SHA256

    1919aab2a820642490169bdc4e88bd1189e22f83e7498bf8ebdfb62ec7d843fd

    SHA512

    0d1424ccdf0d53faf3f4e13d534e12f22388648aa4c23edbc503801e3c96b7f73c7999b760b5bef4b5e9dd923dffe21a21889b1ce836dd428420bf0f4f5327ff

  • \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/1356-59-0x0000000000400000-0x000000000046C000-memory.dmp

    Filesize

    432KB

  • memory/1356-118-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/1356-60-0x0000000000400000-0x000000000046C000-memory.dmp

    Filesize

    432KB

  • memory/1356-61-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

    Filesize

    4KB

  • memory/1356-62-0x0000000000400000-0x000000000046C000-memory.dmp

    Filesize

    432KB

  • memory/1356-64-0x0000000000400000-0x000000000046C000-memory.dmp

    Filesize

    432KB

  • memory/1356-65-0x0000000000400000-0x000000000046C000-memory.dmp

    Filesize

    432KB

  • memory/1356-170-0x0000000000400000-0x000000000046C000-memory.dmp

    Filesize

    432KB

  • memory/1356-56-0x0000000000400000-0x000000000046C000-memory.dmp

    Filesize

    432KB

  • memory/1356-57-0x0000000000400000-0x000000000046C000-memory.dmp

    Filesize

    432KB

  • memory/1356-169-0x0000000000400000-0x000000000046C000-memory.dmp

    Filesize

    432KB

  • memory/1356-58-0x0000000000400000-0x000000000046C000-memory.dmp

    Filesize

    432KB

  • memory/1356-168-0x0000000000400000-0x000000000046C000-memory.dmp

    Filesize

    432KB

  • memory/1488-55-0x0000000002090000-0x00000000020D0000-memory.dmp

    Filesize

    256KB

  • memory/1488-54-0x0000000000840000-0x00000000008A4000-memory.dmp

    Filesize

    400KB

  • memory/1488-66-0x0000000002090000-0x00000000020D0000-memory.dmp

    Filesize

    256KB