Analysis

  • max time kernel
    178s
  • max time network
    221s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    24/04/2022, 10:38

General

  • Target

    http://zerit.top/dl/build2.exe

Score
10/10

Malware Config

Extracted

Family

vidar

Version

51.8

Botnet

517

C2

https://t.me/mm20220428

https://koyu.space/@ronxik123

Attributes
  • profile_id

    517

Signatures

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Vidar Stealer 5 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Modifies Internet Explorer Phishing Filter 1 TTPs 2 IoCs
  • Modifies Internet Explorer settings 1 TTPs 36 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe" http://zerit.top/dl/build2.exe
    1⤵
    • Modifies Internet Explorer Phishing Filter
    • Modifies Internet Explorer settings
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1460
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1460 CREDAT:275457 /prefetch:2
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      PID:1664
    • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\G065FIJE\build2.exe
      "C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\G065FIJE\build2.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1476
      • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\G065FIJE\build2.exe
        "C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\G065FIJE\build2.exe"
        3⤵
        • Executes dropped EXE
        PID:1956

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\G065FIJE\build2.exe

          Filesize

          368KB

          MD5

          ad1b502b6714c0a374b055332018974b

          SHA1

          672f4e44475177ddcb1bfa73db3c5dee0f031bc2

          SHA256

          f2cfbc265125aca3cbf385120f7489e8044f444976ba43ee3a19e706257c9e95

          SHA512

          0197d74e6eb9fa11d48e6939dbd091c6896908870a59fef1d40830e43caf2539fd03ac933d47eae4c3b0ec74e2bfb0ece7f44c4a525b075fe4235ca6086c355e

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\G065FIJE\build2.exe

          Filesize

          368KB

          MD5

          ad1b502b6714c0a374b055332018974b

          SHA1

          672f4e44475177ddcb1bfa73db3c5dee0f031bc2

          SHA256

          f2cfbc265125aca3cbf385120f7489e8044f444976ba43ee3a19e706257c9e95

          SHA512

          0197d74e6eb9fa11d48e6939dbd091c6896908870a59fef1d40830e43caf2539fd03ac933d47eae4c3b0ec74e2bfb0ece7f44c4a525b075fe4235ca6086c355e

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\G065FIJE\build2.exe.lcntzzq.partial

          Filesize

          368KB

          MD5

          ad1b502b6714c0a374b055332018974b

          SHA1

          672f4e44475177ddcb1bfa73db3c5dee0f031bc2

          SHA256

          f2cfbc265125aca3cbf385120f7489e8044f444976ba43ee3a19e706257c9e95

          SHA512

          0197d74e6eb9fa11d48e6939dbd091c6896908870a59fef1d40830e43caf2539fd03ac933d47eae4c3b0ec74e2bfb0ece7f44c4a525b075fe4235ca6086c355e

        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\70SJFUCP.txt

          Filesize

          604B

          MD5

          35522e1e46e435073309756e104883de

          SHA1

          2cabc7c6fa000736c2805e14c647e35a328cddee

          SHA256

          62069d095a8fe4c93fc13c87a72e0723e119e795158b210c68a9308d44620116

          SHA512

          58022b4f52c1ca10d5fa4bfca02e4311623142e5975d1b3dd03a792a7b48bb79fecc8c30c05c854d1967c1e4c83d77b9b9e4552d19813d3da914b80147f029d3

        • memory/1476-65-0x00000000002E0000-0x0000000000329000-memory.dmp

          Filesize

          292KB

        • memory/1476-62-0x000000000056C000-0x0000000000596000-memory.dmp

          Filesize

          168KB

        • memory/1476-58-0x000000000056C000-0x0000000000596000-memory.dmp

          Filesize

          168KB

        • memory/1956-59-0x0000000000400000-0x000000000044C000-memory.dmp

          Filesize

          304KB

        • memory/1956-64-0x00000000769D1000-0x00000000769D3000-memory.dmp

          Filesize

          8KB

        • memory/1956-66-0x0000000000400000-0x000000000044C000-memory.dmp

          Filesize

          304KB

        • memory/1956-67-0x0000000000400000-0x000000000044C000-memory.dmp

          Filesize

          304KB