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
    win10v2004-20240910-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-09-2024 11:20

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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 25 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:4188
    • 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:4512
      • C:\ProgramData\ECAFHIIJJE.exe
        "C:\ProgramData\ECAFHIIJJE.exe"
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4764
        • 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:3960
          • 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:2692
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\GCGDGHCBGDHJ" & exit
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2540
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 10
          4⤵
          • System Location Discovery: System Language Discovery
          • Delays execution with timeout.exe
          PID:1284

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\ECAFHIIJJE.exe
    Filesize

    410KB

    MD5

    85a11b316f726fa24547c289aa61092e

    SHA1

    b2e79c0f56b03f4213bab0b62190666e78940b82

    SHA256

    5864b9c1714f615fa1fa40f60b9e14cfb534ec217e9e4a013fa5959217adabe8

    SHA512

    4adf0998b395e502ee2d2e3ac9e58b64a537cd82a827175866522d642ec406c704665912e228f2f3e04a69d7b716da5801553dc71991f7ceac3c3b7444f13038

    Download Submit

  • C:\ProgramData\EGDGCGCFHI.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_f6d7eeaf85c441ac807da6cfd848afb8.lnk
    Filesize

    1KB

    MD5

    2bf98e08551916aae940508b98cc3182

    SHA1

    1b3b46421637a7b57a1f4476c27def20a2cf82d1

    SHA256

    008984d7a7c6d5082239a024fa72c94b2cf70c44b738fef1a4c09f8cc0b6fbac

    SHA512

    82d5156603b8709cb8bbb60faed7ba43a59652962bbc4a5e18c112ed78648a46fc879a5ffa61a181288cb5a04048327e50ffeef3a0e5b9630310b3a5a7370c82

    Download Submit

  • memory/4188-0-0x0000000074DAE000-0x0000000074DAF000-memory.dmp

    Filesize

    4KB

    Download

  • memory/4188-1-0x0000000000060000-0x00000000000C8000-memory.dmp

    Filesize

    416KB

    Download

  • memory/4188-5-0x0000000074DA0000-0x0000000075550000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/4188-78-0x0000000074DA0000-0x0000000075550000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/4512-53-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

    Download

  • memory/4512-86-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

    Download

  • memory/4512-52-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

    Download

  • memory/4512-35-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

    Download

  • memory/4512-20-0x0000000022A30000-0x0000000022C8F000-memory.dmp

    Filesize

    2.4MB

    Download

  • memory/4512-19-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

    Download

  • memory/4512-18-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

    Download

  • memory/4512-77-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

    Download

  • memory/4512-79-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

    Download

  • memory/4512-36-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

    Download

  • memory/4512-87-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

    Download

  • memory/4512-9-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

    Download

  • memory/4512-7-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

    Download

  • memory/4512-3-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

    Download

  • memory/4764-111-0x0000000000D50000-0x0000000000DFA000-memory.dmp

    Filesize

    680KB

    Download

  • memory/4764-112-0x00000000050D0000-0x00000000050D1000-memory.dmp

    Filesize

    4KB

    Download

  • memory/4764-110-0x0000000071B7E000-0x0000000071B7F000-memory.dmp

    Filesize

    4KB

    Download