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Resubmissions

12/02/2023, 22:05

230212-1z1fwagh65 10

12/02/2023, 20:32

230212-zbbl6sfg7w 7

Analysis

  • max time kernel
    124s
  • max time network
    179s
  • platform
    windows10-1703_x64
  • resource
    win10-20220901-en
  • resource tags

    arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
  • submitted
    12/02/2023, 22:05

General

  • Target

    Setup.exe

  • Size

    464.6MB

  • MD5

    350a2e8a8fd1cc46f25ff822b5fef864

  • SHA1

    6ced61594dbe240d0dbaa548eba526790b6e27f5

  • SHA256

    83b096c9efd0c9c855b9b8a7d70ebfb7f50e0449a824c52bf18a81b75a6037bd

  • SHA512

    27d75283812c73fe5e9d0bdfbf590ae00d2f2ae024c1dcc83c16e186ff65f2ceb3b939cef828e1bab7005356ba39d5dd96cca06a7d6fcfd37533aa48e68c2f15

  • SSDEEP

    24576:Lum9BtnqcmZV0mNzVLjFD23pWVKgnJC2Tld/wCyKkgJe/lgTbSUobuLA4ibic:L3qrZBLfY3pWVrJdf/wPKI/qRob2A4iH

Malware Config

Extracted

Family

vidar

Version

2.4

Botnet

839

Attributes
  • profile_id

    839

Signatures

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Loads dropped DLL 4 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses 2FA software files, possible credential harvesting 2 TTPs
  • 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 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • 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
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Setup.exe
    "C:\Users\Admin\AppData\Local\Temp\Setup.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4636
    • C:\Users\Admin\AppData\Local\Temp\Setup.exe
      "C:\Users\Admin\AppData\Local\Temp\Setup.exe"
      2⤵
        PID:2244
      • C:\Users\Admin\AppData\Local\Temp\Setup.exe
        "C:\Users\Admin\AppData\Local\Temp\Setup.exe"
        2⤵
        • Loads dropped DLL
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:3224
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\Setup.exe" & exit
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:60
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 6
            4⤵
            • Delays execution with timeout.exe
            PID:692

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • \ProgramData\mozglue.dll

      Filesize

      593KB

      MD5

      c8fd9be83bc728cc04beffafc2907fe9

      SHA1

      95ab9f701e0024cedfbd312bcfe4e726744c4f2e

      SHA256

      ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

      SHA512

      fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

    • \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

    • \ProgramData\nss3.dll

      Filesize

      2.0MB

      MD5

      1cc453cdf74f31e4d913ff9c10acdde2

      SHA1

      6e85eae544d6e965f15fa5c39700fa7202f3aafe

      SHA256

      ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

      SHA512

      dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

    • memory/3224-262-0x0000000000400000-0x0000000000472000-memory.dmp

      Filesize

      456KB

    • memory/3224-336-0x0000000000400000-0x0000000000472000-memory.dmp

      Filesize

      456KB

    • memory/4636-157-0x0000000077850000-0x00000000779DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4636-162-0x0000000077850000-0x00000000779DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4636-126-0x0000000077850000-0x00000000779DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4636-127-0x0000000077850000-0x00000000779DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4636-128-0x0000000077850000-0x00000000779DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4636-129-0x0000000077850000-0x00000000779DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4636-130-0x0000000077850000-0x00000000779DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4636-131-0x0000000077850000-0x00000000779DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4636-133-0x0000000077850000-0x00000000779DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4636-132-0x0000000077850000-0x00000000779DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4636-134-0x0000000077850000-0x00000000779DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4636-135-0x0000000077850000-0x00000000779DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4636-136-0x0000000077850000-0x00000000779DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4636-137-0x0000000077850000-0x00000000779DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4636-138-0x0000000077850000-0x00000000779DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4636-139-0x0000000077850000-0x00000000779DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4636-140-0x0000000077850000-0x00000000779DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4636-141-0x0000000077850000-0x00000000779DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4636-142-0x0000000077850000-0x00000000779DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4636-143-0x0000000077850000-0x00000000779DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4636-144-0x0000000077850000-0x00000000779DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4636-145-0x0000000077850000-0x00000000779DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4636-146-0x0000000077850000-0x00000000779DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4636-147-0x0000000077850000-0x00000000779DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4636-148-0x0000000077850000-0x00000000779DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4636-149-0x0000000077850000-0x00000000779DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4636-150-0x0000000077850000-0x00000000779DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4636-161-0x0000000077850000-0x00000000779DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4636-152-0x0000000077850000-0x00000000779DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4636-153-0x0000000077850000-0x00000000779DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4636-154-0x0000000077850000-0x00000000779DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4636-155-0x0000000077850000-0x00000000779DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4636-156-0x0000000077850000-0x00000000779DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4636-124-0x0000000077850000-0x00000000779DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4636-158-0x0000000077850000-0x00000000779DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4636-159-0x0000000077850000-0x00000000779DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4636-125-0x0000000077850000-0x00000000779DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4636-160-0x0000000077850000-0x00000000779DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4636-151-0x0000000077850000-0x00000000779DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4636-163-0x0000000077850000-0x00000000779DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4636-164-0x0000000077850000-0x00000000779DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4636-165-0x0000000077850000-0x00000000779DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4636-166-0x0000000077850000-0x00000000779DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4636-167-0x0000000077850000-0x00000000779DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4636-168-0x0000000077850000-0x00000000779DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4636-169-0x0000000077850000-0x00000000779DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4636-170-0x0000000077850000-0x00000000779DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4636-171-0x0000000077850000-0x00000000779DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4636-172-0x0000000077850000-0x00000000779DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4636-173-0x00000000003A0000-0x000000000052C000-memory.dmp

      Filesize

      1.5MB

    • memory/4636-174-0x0000000077850000-0x00000000779DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4636-175-0x0000000077850000-0x00000000779DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4636-176-0x0000000077850000-0x00000000779DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4636-177-0x0000000005340000-0x000000000583E000-memory.dmp

      Filesize

      5.0MB

    • memory/4636-178-0x0000000004E40000-0x0000000004ED2000-memory.dmp

      Filesize

      584KB

    • memory/4636-179-0x0000000004EE0000-0x0000000005230000-memory.dmp

      Filesize

      3.3MB

    • memory/4636-180-0x0000000077850000-0x00000000779DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4636-181-0x0000000077850000-0x00000000779DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4636-182-0x0000000077850000-0x00000000779DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4636-183-0x0000000077850000-0x00000000779DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4636-184-0x0000000077850000-0x00000000779DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4636-185-0x0000000077850000-0x00000000779DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4636-186-0x0000000077850000-0x00000000779DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4636-187-0x0000000077850000-0x00000000779DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4636-191-0x00000000052A0000-0x00000000052AA000-memory.dmp

      Filesize

      40KB

    • memory/4636-194-0x0000000005900000-0x0000000005A06000-memory.dmp

      Filesize

      1.0MB

    • memory/4636-123-0x0000000077850000-0x00000000779DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4636-122-0x0000000077850000-0x00000000779DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4636-121-0x0000000077850000-0x00000000779DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4636-120-0x0000000077850000-0x00000000779DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4636-195-0x0000000005320000-0x0000000005334000-memory.dmp

      Filesize

      80KB

    • memory/4636-196-0x0000000005CA0000-0x0000000005CAC000-memory.dmp

      Filesize

      48KB

    • memory/4636-200-0x00000000060C0000-0x000000000618C000-memory.dmp

      Filesize

      816KB

    • memory/4636-201-0x0000000006230000-0x00000000062CC000-memory.dmp

      Filesize

      624KB

    • memory/4636-202-0x00000000061B0000-0x0000000006226000-memory.dmp

      Filesize

      472KB