Overview

overview

10

Static

static

10

chromewebhelper.exe

windows7-x64

5

chromewebhelper.exe

windows10-2004-x64

5

tool.exe

windows7-x64

7

tool.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    1562s
  • max time network
    1566s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    29-02-2024 19:28

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General

  • Target

    chromewebhelper.exe

  • Size

    797KB

  • MD5

    e3b8b6e5e354fe993459d9eb0bd1ee3c

  • SHA1

    cc2c9c7020fc79e1f46974a13e6ca3f14aaaa6d5

  • SHA256

    5499a64317fd7fa44767bd4c10ad4803115b00b4ea36bde635b130742d432de7

  • SHA512

    43ca2a53aaac526f1ad143d19f4f3f1bd09f5d7ba91ecbb08b72a38e2e64f920e7bd0ce2240af97e13ab66b6e7f189279fc02c037d48886cace5840159b292e5

  • SSDEEP

    12288:kZrULMF1bEdXSD0v9qvVvm/G3FBCBLyPYe6qFz80COFuw5nMtpnHYhaa:kYMrbGXSw9q1m+qLyP1r80CO/5nMXnC

Score
5/10

Malware Config

Signatures

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\chromewebhelper.exe
    "C:\Users\Admin\AppData\Local\Temp\chromewebhelper.exe"
    1⤵
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:2924
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\chromewebhelper.exe" MD5 | find /i /v "md5" | find /i /v "certutil"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2944
      • C:\Windows\system32\certutil.exe
        certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\chromewebhelper.exe" MD5
        3⤵
          PID:1040
        • C:\Windows\system32\find.exe
          find /i /v "md5"
          3⤵
            PID:2868
          • C:\Windows\system32\find.exe
            find /i /v "certutil"
            3⤵
              PID:2616

        Network

        MITRE ATT&CK Matrix

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\Cab4BD1.tmp
          Filesize

          67KB

          MD5

          753df6889fd7410a2e9fe333da83a429

          SHA1

          3c425f16e8267186061dd48ac1c77c122962456e

          SHA256

          b42dc237e44cbc9a43400e7d3f9cbd406dbdefd62bfe87328f8663897d69df78

          SHA512

          9d56f79410ad0cf852c74c3ef9454e7ae86e80bdd6ff67773994b48ccac71142bcf5c90635da6a056e1406e81e64674db9584928e867c55b77b59e2851cf6444

          Download Submit

        • C:\Users\Admin\AppData\Local\Temp\Tar4CCE.tmp
          Filesize

          175KB

          MD5

          dd73cead4b93366cf3465c8cd32e2796

          SHA1

          74546226dfe9ceb8184651e920d1dbfb432b314e

          SHA256

          a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

          SHA512

          ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

          Download Submit

        • memory/2924-1-0x0000000076DB0000-0x0000000076F59000-memory.dmp

          Filesize

          1.7MB

          Download

        • memory/2924-32-0x0000000076DB0000-0x0000000076F59000-memory.dmp

          Filesize

          1.7MB

          Download