Analysis

  • max time kernel
    118s
  • max time network
    156s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    23-09-2024 05:05

General

  • Target

    6bb68ea17f749140449ae92e14e196e393abaeeae2db4b827414cefdaebe6704.exe

  • Size

    413KB

  • MD5

    f9607a414c82ab166cf40801b17fa452

  • SHA1

    15689a7224b6c0d066f1e8426e1dd828d84e1089

  • SHA256

    6bb68ea17f749140449ae92e14e196e393abaeeae2db4b827414cefdaebe6704

  • SHA512

    bcbb7b6dc28905581ca72db0a4ca6e8f729385eeed17426a423c06b1f192444b1ebf36475a877033a2302aba988566bf11f0eb3516c47f484c30793a25925bba

  • SSDEEP

    6144:PGMJZepx7fmS/7iBmaZIp7lxnFMHwoVuxIcjqedeNxLzW30MC/A+raDHWoWEO:PAt/+BmQIJWHqxIcjRdqzyeXraDcEO

Malware Config

Extracted

Family

vidar

Version

11

Botnet

9bf5e431869643a2ac397d2dc0d687fb

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 14 IoCs
  • 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 1 IoCs
  • Loads dropped DLL 6 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 2 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 6 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 2 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 43 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6bb68ea17f749140449ae92e14e196e393abaeeae2db4b827414cefdaebe6704.exe
    "C:\Users\Admin\AppData\Local\Temp\6bb68ea17f749140449ae92e14e196e393abaeeae2db4b827414cefdaebe6704.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1764
    • 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
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1872
      • C:\ProgramData\EGIJEBGDAF.exe
        "C:\ProgramData\EGIJEBGDAF.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1880
        • 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
          • Suspicious use of WriteProcessMemory
          PID:2136
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2136 -s 252
            5⤵
            • Program crash
            PID:912
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\EHIDAKECFIEB" & exit
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1360
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 10
          4⤵
          • System Location Discovery: System Language Discovery
          • Delays execution with timeout.exe
          PID:620

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\EGIJEBGDAF.exe

    Filesize

    381KB

    MD5

    f5a1956973dce107d4c0b6267ce88870

    SHA1

    79a19513d7c9cff939f2881c4172a05dbaef735b

    SHA256

    7b794c5bdb820791f0359da90a9a4f258412b8feef9c6e6a0411f6aead9d3a04

    SHA512

    f42180c75c0ae8dc083c6fff98a66c0d875fadb400d7945816ea330a54777632a3a7752d3e78b90e45f58ed3d04d6708b1dcea51d82711356e6d14e405a7c579

  • C:\Users\Admin\AppData\Local\Temp\CabDE12.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarDE53.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • \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/1764-1-0x0000000000E20000-0x0000000000E88000-memory.dmp

    Filesize

    416KB

  • memory/1764-2-0x0000000074BF0000-0x00000000752DE000-memory.dmp

    Filesize

    6.9MB

  • memory/1764-4-0x0000000074BF0000-0x00000000752DE000-memory.dmp

    Filesize

    6.9MB

  • memory/1764-0-0x0000000074BFE000-0x0000000074BFF000-memory.dmp

    Filesize

    4KB

  • memory/1764-17-0x0000000074BF0000-0x00000000752DE000-memory.dmp

    Filesize

    6.9MB

  • memory/1872-208-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/1872-377-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/1872-9-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/1872-8-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/1872-13-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/1872-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1872-15-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/1872-159-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/1872-178-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/1872-197-0x0000000017EC0000-0x000000001811F000-memory.dmp

    Filesize

    2.4MB

  • memory/1872-18-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/1872-227-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/1872-6-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/1872-7-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/1872-358-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/1872-10-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/1872-420-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/1872-439-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/1872-5-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/1880-493-0x00000000738FE000-0x00000000738FF000-memory.dmp

    Filesize

    4KB

  • memory/1880-494-0x0000000001380000-0x00000000013E0000-memory.dmp

    Filesize

    384KB

  • memory/1880-495-0x00000000738F0000-0x0000000073FDE000-memory.dmp

    Filesize

    6.9MB

  • memory/1880-529-0x00000000738F0000-0x0000000073FDE000-memory.dmp

    Filesize

    6.9MB

  • memory/1880-525-0x00000000027E0000-0x00000000047E0000-memory.dmp

    Filesize

    32.0MB

  • memory/2136-524-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/2136-521-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/2136-520-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/2136-519-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/2136-518-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/2136-516-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/2136-527-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB