Overview

overview

10

Static

static

3

84cf6bb876...6d.exe

windows7-x64

10

84cf6bb876...6d.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-09-2024 01:33

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General

  • Target

    84cf6bb876853f4b8bfe9d3b27baf91bb04dd29031d1724b78337a28985c676d.exe

  • Size

    394KB

  • MD5

    64bb15a561342db08d8362ab5b83f37f

  • SHA1

    9fcd468bc8ebcc5dd1bf98329824bb5fc8c2b255

  • SHA256

    84cf6bb876853f4b8bfe9d3b27baf91bb04dd29031d1724b78337a28985c676d

  • SHA512

    4e558b7e8353458adc6066ec8a363ce82810483185b40a7e5a64aedc29aff71b8362e68c54e679c2a63a76bdeb400d5f8f6ef6ce91646589c08d52c4ee9e3a53

  • SSDEEP

    12288:hLHiRiF5lT7ODeIbuH5+zte+NyLt/8DERu:hLHiReODeIbuH5gtbNyiE

Score
10/10
vidar58cd250b15e666e5f72fcf5caa6cb131credential_accessdiscoverypersistencespywarestealer

Malware Config

Extracted

Family

vidar

Version

11

Botnet

58cd250b15e666e5f72fcf5caa6cb131

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 13 IoCs
    stealer
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

    stealervidar
  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 3 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 64 IoCs
  • Executes dropped EXE 3 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.

    spywarestealer
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

    credential_accessstealer
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
    spyware
  • Adds Run key to start application 2 TTPs 64 IoCs
    persistence
  • Checks installed software on the system 1 TTPs

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

    discovery
  • 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.

    discovery
  • 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.

    discovery
  • 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
    evasion
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\84cf6bb876853f4b8bfe9d3b27baf91bb04dd29031d1724b78337a28985c676d.exe
    "C:\Users\Admin\AppData\Local\Temp\84cf6bb876853f4b8bfe9d3b27baf91bb04dd29031d1724b78337a28985c676d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4912
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:3020
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        2⤵
        • Checks computer location settings
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:3728
        • C:\ProgramData\GHJDBAKEHD.exe
          "C:\ProgramData\GHJDBAKEHD.exe"
          3⤵
          • Checks computer location settings
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1860
          • C:\Users\Admin\AppData\Local\Temp\Software\IDSM.exe
            "C:\Users\Admin\AppData\Local\Temp\Software\IDSM.exe"
            4⤵
            • Checks computer location settings
            • Drops startup file
            • Executes dropped EXE
            • Adds Run key to start application
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:3508
            • 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:5052
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\HJDBKJKFIECA" & exit
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3768
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 10
            4⤵
            • System Location Discovery: System Language Discovery
            • Delays execution with timeout.exe
            PID:3352

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\ProgramData\GHJDBAKEHD.exe
      Filesize

      410KB

      MD5

      85a11b316f726fa24547c289aa61092e

      SHA1

      b2e79c0f56b03f4213bab0b62190666e78940b82

      SHA256

      5864b9c1714f615fa1fa40f60b9e14cfb534ec217e9e4a013fa5959217adabe8

      SHA512

      4adf0998b395e502ee2d2e3ac9e58b64a537cd82a827175866522d642ec406c704665912e228f2f3e04a69d7b716da5801553dc71991f7ceac3c3b7444f13038

      Download Submit

    • C:\ProgramData\IECBAFCAAK.exe
      Filesize

      162B

      MD5

      1b7c22a214949975556626d7217e9a39

      SHA1

      d01c97e2944166ed23e47e4a62ff471ab8fa031f

      SHA256

      340c8464c2007ce3f80682e15dfafa4180b641d53c14201b929906b7b0284d87

      SHA512

      ba64847cf1d4157d50abe4f4a1e5c1996fe387c5808e2f758c7fb3213bfefe1f3712d343f0c30a16819749840954654a70611d2250fd0f7b032429db7afd2cc5

      Download Submit

    • C:\ProgramData\mozglue.dll
      Filesize

      593KB

      MD5

      c8fd9be83bc728cc04beffafc2907fe9

      SHA1

      95ab9f701e0024cedfbd312bcfe4e726744c4f2e

      SHA256

      ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

      SHA512

      fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

      Download Submit

    • C:\ProgramData\nss3.dll
      Filesize

      2.0MB

      MD5

      1cc453cdf74f31e4d913ff9c10acdde2

      SHA1

      6e85eae544d6e965f15fa5c39700fa7202f3aafe

      SHA256

      ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

      SHA512

      dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

      Download Submit

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\IDSM_37583fd37fde4abe83e1f0869f177f78.lnk
      Filesize

      1KB

      MD5

      a840a9d6201f5b203360ff5e38328715

      SHA1

      c14f10d5ac28ff868d89eb4228bfca588af98611

      SHA256

      4f920d9fc0f35087d9b9b65563c6fcab939c120a0ab26bb01f0d115514155fe6

      SHA512

      6956b99d0ba4cf8faf3574d2cb56a577ad30be488c55898d40cbbf505ecbb674567b21790078fb588561e0dd3cc60cc8d3fab5467ff72438efbf52ff3a76bfcc

      Download Submit

    • memory/1860-115-0x0000000004C70000-0x0000000004C71000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1860-114-0x0000000000900000-0x00000000009AA000-memory.dmp

      Filesize

      680KB

      Download

    • memory/1860-113-0x00000000718FE000-0x00000000718FF000-memory.dmp

      Filesize

      4KB

      Download

    • memory/3728-53-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

      Download

    • memory/3728-19-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

      Download

    • memory/3728-36-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

      Download

    • memory/3728-52-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

      Download

    • memory/3728-3-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

      Download

    • memory/3728-35-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

      Download

    • memory/3728-20-0x00000000227F0000-0x0000000022A4F000-memory.dmp

      Filesize

      2.4MB

      Download

    • memory/3728-6-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

      Download

    • memory/3728-78-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

      Download

    • memory/3728-79-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

      Download

    • memory/3728-89-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

      Download

    • memory/3728-90-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

      Download

    • memory/3728-18-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

      Download

    • memory/3728-8-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

      Download

    • memory/4912-60-0x0000000074BC0000-0x0000000075370000-memory.dmp

      Filesize

      7.7MB

      Download

    • memory/4912-11-0x0000000074BC0000-0x0000000075370000-memory.dmp

      Filesize

      7.7MB

      Download

    • memory/4912-0-0x0000000074BCE000-0x0000000074BCF000-memory.dmp

      Filesize

      4KB

      Download

    • memory/4912-1-0x0000000000890000-0x00000000008F8000-memory.dmp

      Filesize

      416KB

      Download