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Analysis

  • max time kernel
    195s
  • max time network
    299s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    02/09/2024, 05:05

General

  • Target

    7e5b568b07e774bd051f2ae4d888844b609ee4b2096dd110b98aed57f5185d69.exe

  • Size

    254KB

  • MD5

    682f17ebd1b7a010e2d900832d6b40ed

  • SHA1

    f843bd528afc01e921890a9ad36e57420963e31c

  • SHA256

    7e5b568b07e774bd051f2ae4d888844b609ee4b2096dd110b98aed57f5185d69

  • SHA512

    992612f572494529bdf53452998ec6b225496143203ac143af1b05993f22832ca9621c177a8ac4dc5ea6fe28aa6c7e197ee0d5a7dc2e86ed7ebf91ed2e359cbf

  • SSDEEP

    6144:8cJTeWJTKremWykObHGYS/MtdprcnY63643GcxGBYcQI/EO:trebiObHGYS/MtdprNncGm5I/EO

Malware Config

Extracted

Family

vidar

Version

10.8

Botnet

4384b1ceb77dcf470b759bedd7bb140b

C2

http://147.45.68.138:80

https://steamcommunity.com/profiles/76561199761128941

https://t.me/iyigunl

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

Extracted

Family

vidar

Version

10.8

Botnet

80f8ee81dee2e1cde612ec12e591b2af

C2

http://147.45.68.138:80

https://steamcommunity.com/profiles/76561199761128941

https://t.me/iyigunl

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

Extracted

Family

lumma

C2

https://stamppreewntnq.shop/api

Signatures

  • Detect Vidar Stealer 18 IoCs
  • Lumma Stealer, LummaC

    Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

  • 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
  • Executes dropped EXE 2 IoCs
  • 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 3 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 8 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 4 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 32 IoCs
  • Suspicious use of WriteProcessMemory 44 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7e5b568b07e774bd051f2ae4d888844b609ee4b2096dd110b98aed57f5185d69.exe
    "C:\Users\Admin\AppData\Local\Temp\7e5b568b07e774bd051f2ae4d888844b609ee4b2096dd110b98aed57f5185d69.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5052
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:4464
      • 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
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:3548
        • C:\ProgramData\HIIDGCGCBF.exe
          "C:\ProgramData\HIIDGCGCBF.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4016
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:2984
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 2984 -s 1248
              5⤵
              • Program crash
              PID:1484
        • C:\ProgramData\GDHIDHIEGI.exe
          "C:\ProgramData\GDHIDHIEGI.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3124
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            4⤵
            • System Location Discovery: System Language Discovery
            • Checks processor information in registry
            • Suspicious behavior: EnumeratesProcesses
            PID:5016
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\AFCFHJJECAEH" & exit
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2268
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 10
            4⤵
            • System Location Discovery: System Language Discovery
            • Delays execution with timeout.exe
            PID:4324

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\GDHIDHIEGI.exe

      Filesize

      190KB

      MD5

      24366096e1851e1ba5f3059095522f63

      SHA1

      4f3a72cef34d2016e59017200c18ffe31d04302e

      SHA256

      8f65a8cb816ceaf16b353434261c320bfe8cf9907dd0f73e1a8eea42cd5694be

      SHA512

      4dd2b7768c6470c9f1c1817f97e4418829aa75afa501506bf45ffc3ef75200f3fb27f0baee028567ebc6fc71572a5d08c1f34acbf731ace8ff7c69932cd93edb

    • C:\ProgramData\HIIDGCGCBF.exe

      Filesize

      319KB

      MD5

      1848bfbfb02bed98ca43832f3743dd79

      SHA1

      70c54098a69e6e216d3a7d84867e778a1da86fb2

      SHA256

      8c60a45cb4a712a18839f011f85b3b11ba67d4db03b155bd64c5eda20534a309

      SHA512

      1230e90eeeee00aa67794be71fa0692bb706b2d445a86653cad10d0e328ca7d4301d8e881a6895bdae09ecd77217b1ba785eb01ea451b04571242349635f95dc

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\TBE3XFIK\sql[1].dll

      Filesize

      2.3MB

      MD5

      90e744829865d57082a7f452edc90de5

      SHA1

      833b178775f39675fa4e55eab1032353514e1052

      SHA256

      036a57102385d7f0d7b2deacf932c1c372ae30d924365b7a88f8a26657dd7550

      SHA512

      0a2d112ff7cb806a74f5ec17fe097d28107bb497d6ed5ad28ea47e6795434ba903cdb49aaf97a9a99c08cd0411f1969cad93031246dc107c26606a898e570323

    • \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/2984-122-0x0000000000400000-0x0000000000457000-memory.dmp

      Filesize

      348KB

    • memory/2984-86-0x0000000000400000-0x0000000000457000-memory.dmp

      Filesize

      348KB

    • memory/2984-89-0x0000000000400000-0x0000000000457000-memory.dmp

      Filesize

      348KB

    • memory/2984-83-0x0000000000400000-0x0000000000457000-memory.dmp

      Filesize

      348KB

    • memory/3124-98-0x0000000000350000-0x0000000000384000-memory.dmp

      Filesize

      208KB

    • memory/3548-8-0x0000000000400000-0x0000000000641000-memory.dmp

      Filesize

      2.3MB

    • memory/3548-30-0x0000000000400000-0x0000000000641000-memory.dmp

      Filesize

      2.3MB

    • memory/3548-16-0x000000001D950000-0x000000001DBAF000-memory.dmp

      Filesize

      2.4MB

    • memory/3548-62-0x0000000000400000-0x0000000000641000-memory.dmp

      Filesize

      2.3MB

    • memory/3548-3-0x0000000000400000-0x0000000000641000-memory.dmp

      Filesize

      2.3MB

    • memory/3548-64-0x0000000000400000-0x0000000000641000-memory.dmp

      Filesize

      2.3MB

    • memory/3548-71-0x0000000000400000-0x0000000000641000-memory.dmp

      Filesize

      2.3MB

    • memory/3548-72-0x0000000000400000-0x0000000000641000-memory.dmp

      Filesize

      2.3MB

    • memory/3548-13-0x0000000000400000-0x0000000000641000-memory.dmp

      Filesize

      2.3MB

    • memory/3548-6-0x0000000000400000-0x0000000000641000-memory.dmp

      Filesize

      2.3MB

    • memory/3548-31-0x0000000000400000-0x0000000000641000-memory.dmp

      Filesize

      2.3MB

    • memory/3548-12-0x0000000000400000-0x0000000000641000-memory.dmp

      Filesize

      2.3MB

    • memory/4016-90-0x0000000071AB0000-0x000000007219E000-memory.dmp

      Filesize

      6.9MB

    • memory/4016-80-0x0000000000F00000-0x0000000000F54000-memory.dmp

      Filesize

      336KB

    • memory/4016-81-0x0000000071ABE000-0x0000000071ABF000-memory.dmp

      Filesize

      4KB

    • memory/4016-88-0x0000000071AB0000-0x000000007219E000-memory.dmp

      Filesize

      6.9MB

    • memory/5016-111-0x000000001D8C0000-0x000000001DB1F000-memory.dmp

      Filesize

      2.4MB

    • memory/5016-121-0x0000000000400000-0x0000000000641000-memory.dmp

      Filesize

      2.3MB

    • memory/5016-100-0x0000000000400000-0x0000000000641000-memory.dmp

      Filesize

      2.3MB

    • memory/5016-102-0x0000000000400000-0x0000000000641000-memory.dmp

      Filesize

      2.3MB

    • memory/5016-104-0x0000000000400000-0x0000000000641000-memory.dmp

      Filesize

      2.3MB

    • memory/5016-107-0x0000000000400000-0x0000000000641000-memory.dmp

      Filesize

      2.3MB

    • memory/5016-120-0x0000000000400000-0x0000000000641000-memory.dmp

      Filesize

      2.3MB

    • memory/5016-108-0x0000000000400000-0x0000000000641000-memory.dmp

      Filesize

      2.3MB

    • memory/5052-11-0x0000000073460000-0x0000000073B4E000-memory.dmp

      Filesize

      6.9MB

    • memory/5052-63-0x0000000073460000-0x0000000073B4E000-memory.dmp

      Filesize

      6.9MB

    • memory/5052-0-0x000000007346E000-0x000000007346F000-memory.dmp

      Filesize

      4KB

    • memory/5052-1-0x0000000000200000-0x0000000000244000-memory.dmp

      Filesize

      272KB