Overview

overview

10

Static

static

3

ef0ad84528...6c.exe

windows7-x64

10

ef0ad84528...6c.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 01:55

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General

  • Target

    ef0ad84528750e2dc891ed819018c7c0d28fe038c92fd2612a5f26ad9863736c.exe

  • Size

    394KB

  • MD5

    c41324a0ed75ade060a048d20be4bb0b

  • SHA1

    cb60c01d5de4c7666095e61553573e813625d177

  • SHA256

    ef0ad84528750e2dc891ed819018c7c0d28fe038c92fd2612a5f26ad9863736c

  • SHA512

    7874707dfb5c2107f24d6889b4720fe8bc127028f49b6a88869b0769f8956bb4135a3a3b926e03adfcfb5dddf5475451ad7ec7bac106751eb34015e4b9ee116c

  • SSDEEP

    12288:aloPGt8jdL8EkgOMAcr08Y2ji7GHVPB5n8Ba8r:ql2dLig5AcA8YOiSHVJ5nUaQ

Score
10/10
vidar3a15237aa92dcd8ccca447211fb5fc2acredential_accessdiscoverypersistencespywarestealer

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 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\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:4264
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:5020
      • 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:3064
        • C:\ProgramData\KKKJKEBKFC.exe
          "C:\ProgramData\KKKJKEBKFC.exe"
          3⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1560
          • 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:1020
            • 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:4016
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\IJKFCFHJDBKK" & exit
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4604
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 10
            4⤵
            • System Location Discovery: System Language Discovery
            • Delays execution with timeout.exe
            PID:5088

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\ProgramData\FIEHIIIJDA.exe
      Filesize

      162B

      MD5

      1b7c22a214949975556626d7217e9a39

      SHA1

      d01c97e2944166ed23e47e4a62ff471ab8fa031f

      SHA256

      340c8464c2007ce3f80682e15dfafa4180b641d53c14201b929906b7b0284d87

      SHA512

      ba64847cf1d4157d50abe4f4a1e5c1996fe387c5808e2f758c7fb3213bfefe1f3712d343f0c30a16819749840954654a70611d2250fd0f7b032429db7afd2cc5

      Download Submit

    • C:\ProgramData\KKKJKEBKFC.exe
      Filesize

      410KB

      MD5

      85a11b316f726fa24547c289aa61092e

      SHA1

      b2e79c0f56b03f4213bab0b62190666e78940b82

      SHA256

      5864b9c1714f615fa1fa40f60b9e14cfb534ec217e9e4a013fa5959217adabe8

      SHA512

      4adf0998b395e502ee2d2e3ac9e58b64a537cd82a827175866522d642ec406c704665912e228f2f3e04a69d7b716da5801553dc71991f7ceac3c3b7444f13038

      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_d49c86d9295b450098c857c5a5fa6d3c.lnk
      Filesize

      1KB

      MD5

      33e5db8b94d6a249da4d016886fcbedb

      SHA1

      9b52ba3e09bfa4a0a41ec124316038e69cbade79

      SHA256

      78b2b5a58399f23cae99e7871ef4e29cfbae77a2f0e94fdf7dc43d2197ed4492

      SHA512

      d8466b4906e14aaa744e420aec9f03eec18ca940be62fad5959ac120e853b4b9620881388b3f3024884be89c95ae2007470abee901f2d910db25a9a80c987ee1

      Download Submit

    • memory/1560-112-0x0000000002440000-0x0000000002441000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1560-111-0x0000000000180000-0x000000000022A000-memory.dmp

      Filesize

      680KB

      Download

    • memory/1560-110-0x0000000071DCE000-0x0000000071DCF000-memory.dmp

      Filesize

      4KB

      Download

    • memory/3064-53-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

      Download

    • memory/3064-79-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

      Download

    • memory/3064-36-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

      Download

    • memory/3064-52-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

      Download

    • memory/3064-3-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

      Download

    • memory/3064-60-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

      Download

    • memory/3064-8-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

      Download

    • memory/3064-19-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

      Download

    • memory/3064-78-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

      Download

    • memory/3064-21-0x00000000229B0000-0x0000000022C0F000-memory.dmp

      Filesize

      2.4MB

      Download

    • memory/3064-86-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

      Download

    • memory/3064-87-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

      Download

    • memory/3064-18-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

      Download

    • memory/3064-7-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

      Download

    • memory/4264-11-0x0000000074FF0000-0x00000000757A0000-memory.dmp

      Filesize

      7.7MB

      Download

    • memory/4264-20-0x0000000074FF0000-0x00000000757A0000-memory.dmp

      Filesize

      7.7MB

      Download

    • memory/4264-0-0x0000000074FFE000-0x0000000074FFF000-memory.dmp

      Filesize

      4KB

      Download

    • memory/4264-1-0x0000000000630000-0x0000000000698000-memory.dmp

      Filesize

      416KB

      Download