Analysis

  • max time kernel
    130s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/11/2022, 05:37

General

  • Target

    25908f2ef19317a92d54a9749f66401a4b6e90efb44f26e89f28837bfb15bd6c.exe

  • Size

    88KB

  • MD5

    f34bc17d50dfbffaecab4b3f426aed49

  • SHA1

    3be52623b3788b7d7492c743cab9fabb8754c237

  • SHA256

    25908f2ef19317a92d54a9749f66401a4b6e90efb44f26e89f28837bfb15bd6c

  • SHA512

    8b2a0930fd4ee41eed0a1bfec5fb9edf686c534b751edc9ba105da4a8f5c80d2590f2b57ca3624542f9b20bf1b2cfb4da02a8d1e27337dd410ccb54ed93a7292

  • SSDEEP

    1536:S38sjrr9kHTPgnG1myBHdMyj32+sIEeltxO:S3PkguXd7GQEeltxO

Score
5/10

Malware Config

Signatures

  • Drops file in System32 directory 6 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Enumerates system info in registry 2 TTPs 5 IoCs
  • Modifies data under HKEY_USERS 64 IoCs
  • Modifies registry class 52 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 25 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\25908f2ef19317a92d54a9749f66401a4b6e90efb44f26e89f28837bfb15bd6c.exe
    "C:\Users\Admin\AppData\Local\Temp\25908f2ef19317a92d54a9749f66401a4b6e90efb44f26e89f28837bfb15bd6c.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3156
    • C:\Windows\SysWOW64\Wbem\wmic.exe
      wmic.exe SHADOWCOPY /nointeractive
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1904
  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
    1⤵
    • Drops file in System32 directory
    • Checks processor information in registry
    • Enumerates system info in registry
    • Modifies data under HKEY_USERS
    • Suspicious use of SetWindowsHookEx
    PID:4480
  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:2120
  • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
    "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
    1⤵
    • Enumerates system info in registry
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:1404

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • memory/1404-153-0x000001761200E000-0x0000017612012000-memory.dmp

          Filesize

          16KB

        • memory/1404-155-0x00000176221B0000-0x00000176221B8000-memory.dmp

          Filesize

          32KB

        • memory/1404-141-0x000001760FC50000-0x000001760FC58000-memory.dmp

          Filesize

          32KB

        • memory/1404-142-0x0000017610600000-0x0000017610620000-memory.dmp

          Filesize

          128KB

        • memory/1404-143-0x00000176106C0000-0x00000176106E0000-memory.dmp

          Filesize

          128KB

        • memory/1404-146-0x0000017610970000-0x0000017610990000-memory.dmp

          Filesize

          128KB

        • memory/1404-150-0x000001761200E000-0x0000017612012000-memory.dmp

          Filesize

          16KB

        • memory/1404-149-0x000001761200E000-0x0000017612012000-memory.dmp

          Filesize

          16KB

        • memory/1404-151-0x000001761200E000-0x0000017612012000-memory.dmp

          Filesize

          16KB

        • memory/1404-152-0x000001761200E000-0x0000017612012000-memory.dmp

          Filesize

          16KB

        • memory/1404-140-0x000001760F8C0000-0x000001760F8E0000-memory.dmp

          Filesize

          128KB

        • memory/1404-156-0x000001760EC00000-0x000001760ED00000-memory.dmp

          Filesize

          1024KB

        • memory/1404-164-0x0000017612004000-0x0000017612007000-memory.dmp

          Filesize

          12KB

        • memory/1404-159-0x0000017612000000-0x0000017612004000-memory.dmp

          Filesize

          16KB

        • memory/1404-161-0x0000017612000000-0x0000017612004000-memory.dmp

          Filesize

          16KB

        • memory/1404-162-0x0000017612000000-0x0000017612004000-memory.dmp

          Filesize

          16KB

        • memory/1404-160-0x0000017612000000-0x0000017612004000-memory.dmp

          Filesize

          16KB

        • memory/1404-165-0x0000017612004000-0x0000017612007000-memory.dmp

          Filesize

          12KB

        • memory/1404-167-0x0000017612004000-0x0000017612007000-memory.dmp

          Filesize

          12KB

        • memory/1404-166-0x0000017612004000-0x0000017612007000-memory.dmp

          Filesize

          12KB