Analysis

  • max time kernel
    149s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    02-10-2024 01:29

General

  • Target

    a69839da451a8bf04259687309ceb825b1260186d353fb2555612ed006582e5b.exe

  • Size

    118KB

  • MD5

    a83b2a5ff3529936192398c88edd27a3

  • SHA1

    ea008405ea9fe482676789bc584a5bc03dac5b92

  • SHA256

    a69839da451a8bf04259687309ceb825b1260186d353fb2555612ed006582e5b

  • SHA512

    5196d43f3dd31d02247969f486fab9d5e3081174eec7cf1e927f6e82d6f36c912d1b91257aad8285748e383fcead68495038b99886ff54c007d16b86c488a40e

  • SSDEEP

    3072:QJ4zfapVGYIC2MIEGuLuNP4FJed7eHnXm6qIXLE:8EypVnIC2oGuqNP1d7eHnXm6qIX

Malware Config

Signatures

  • Drops startup file 64 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 64 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a69839da451a8bf04259687309ceb825b1260186d353fb2555612ed006582e5b.exe
    "C:\Users\Admin\AppData\Local\Temp\a69839da451a8bf04259687309ceb825b1260186d353fb2555612ed006582e5b.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2676
    • C:\Users\Admin\AppData\Local\Temp\EdgeUpdater\LKMService.exe
      "C:\Users\Admin\AppData\Local\Temp\EdgeUpdater\LKMService.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2164
      • C:\Users\Admin\AppData\Local\Temp\EdgeUpdater\GoogleUpdater.exe
        "C:\Users\Admin\AppData\Local\Temp\EdgeUpdater\GoogleUpdater.exe" --checker
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2500
        • C:\Users\Admin\AppData\Local\Temp\EdgeUpdater\LKMService.exe
          "C:\Users\Admin\AppData\Local\Temp\EdgeUpdater\LKMService.exe"
          4⤵
          • Drops startup file
          • Executes dropped EXE
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:2896

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\LKMService_780df3f65d294f31b698c76420233bfb.lnk

    Filesize

    1KB

    MD5

    6bc912a8142eee7551fdf1b0120befa1

    SHA1

    80a8616aa21dfe17569bd79ee0deb1a71dec03f6

    SHA256

    783293674a7ef4a3215897a02ce727ec0aa571326cad4b3213170e61f3c7cd47

    SHA512

    1741a3accc153a1a8ab91c030e9f8e24081b0cddbf0626cfe95f602ce71eb6ea2d6736b3f696d32485a6ebd7ab0d3e64c3ded16a84cc7827b0d145f376d57216

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\LKMService_ce6caa53cd7646dc966f3d7d7524f044.lnk

    Filesize

    1KB

    MD5

    73d97c5731152eff81ea10fcf9009d94

    SHA1

    e2afc5aff52546b626f9ef38cb8ace509e4c9fb4

    SHA256

    98d3e36552e7eacd425ee6c2ccc3caaa7b68782cffd7ddb57f83c4057c3d1695

    SHA512

    9ed740b773eb4d13c51997688bf26bb53e0a974ea50cf06d21caae77d35fd9d4138d2948c9f3730a8c2a43669aac4486c72df6efb56ca1f16e6872d04c8a3678

  • \Users\Admin\AppData\Local\Temp\EdgeUpdater\LKMService.exe

    Filesize

    118KB

    MD5

    a83b2a5ff3529936192398c88edd27a3

    SHA1

    ea008405ea9fe482676789bc584a5bc03dac5b92

    SHA256

    a69839da451a8bf04259687309ceb825b1260186d353fb2555612ed006582e5b

    SHA512

    5196d43f3dd31d02247969f486fab9d5e3081174eec7cf1e927f6e82d6f36c912d1b91257aad8285748e383fcead68495038b99886ff54c007d16b86c488a40e

  • memory/2164-20-0x0000000074C50000-0x000000007533E000-memory.dmp

    Filesize

    6.9MB

  • memory/2164-31-0x0000000074C50000-0x000000007533E000-memory.dmp

    Filesize

    6.9MB

  • memory/2164-21-0x0000000074C50000-0x000000007533E000-memory.dmp

    Filesize

    6.9MB

  • memory/2164-18-0x00000000008D0000-0x00000000008F4000-memory.dmp

    Filesize

    144KB

  • memory/2500-30-0x00000000000F0000-0x0000000000114000-memory.dmp

    Filesize

    144KB

  • memory/2676-5-0x00000000003A0000-0x00000000003A6000-memory.dmp

    Filesize

    24KB

  • memory/2676-19-0x0000000074C50000-0x000000007533E000-memory.dmp

    Filesize

    6.9MB

  • memory/2676-4-0x0000000074C50000-0x000000007533E000-memory.dmp

    Filesize

    6.9MB

  • memory/2676-0-0x0000000074C5E000-0x0000000074C5F000-memory.dmp

    Filesize

    4KB

  • memory/2676-3-0x0000000000310000-0x000000000032E000-memory.dmp

    Filesize

    120KB

  • memory/2676-2-0x0000000000300000-0x0000000000306000-memory.dmp

    Filesize

    24KB

  • memory/2676-1-0x0000000000370000-0x0000000000394000-memory.dmp

    Filesize

    144KB

  • memory/2896-34-0x0000000000310000-0x0000000000334000-memory.dmp

    Filesize

    144KB