Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows11-21h2_x64
  • resource
    win11-20241007-en
  • resource tags

    arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    11-10-2024 20:55

General

  • Target

    67065a0933c9e_UUESUpdater.exe

  • Size

    26KB

  • MD5

    0e926b28fc49f6259a70c032ae83cd14

  • SHA1

    abb5856b3853cfe4ecc5e25ff1a7aa605afac007

  • SHA256

    3088b0302d4b38c63ef4fead57aa6049da2cc62bf9f4a5d9331552c84fe516e6

  • SHA512

    1f4306c38e6604f3945a4d1215576ee81514c34757318035d9220fb81da5bb4f39d23b8a22f404902fe3e67f0326a1f9ff45dc6ce8d3a41a69aab54de488fb77

  • SSDEEP

    384:BvV0KF7OERZOTPx3hd/N7az/bCKQIRB1F7M9ekamfrqEjDEFCFUa0gW71JBr:B9LZOTPxNG5z7uTqVCFUa0gWR

Malware Config

Signatures

  • Drops startup file 64 IoCs
  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 64 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 3 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 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\67065a0933c9e_UUESUpdater.exe
    "C:\Users\Admin\AppData\Local\Temp\67065a0933c9e_UUESUpdater.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1776
    • C:\Users\Admin\AppData\Local\Temp\EdgeUpdater\UUSIService.exe
      "C:\Users\Admin\AppData\Local\Temp\EdgeUpdater\UUSIService.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3488
      • C:\Users\Admin\AppData\Local\Temp\EdgeUpdater\EdgeUpdaters.exe
        "C:\Users\Admin\AppData\Local\Temp\EdgeUpdater\EdgeUpdaters.exe" --checker
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1108

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\EdgeUpdater\UUSIService.exe

    Filesize

    26KB

    MD5

    0e926b28fc49f6259a70c032ae83cd14

    SHA1

    abb5856b3853cfe4ecc5e25ff1a7aa605afac007

    SHA256

    3088b0302d4b38c63ef4fead57aa6049da2cc62bf9f4a5d9331552c84fe516e6

    SHA512

    1f4306c38e6604f3945a4d1215576ee81514c34757318035d9220fb81da5bb4f39d23b8a22f404902fe3e67f0326a1f9ff45dc6ce8d3a41a69aab54de488fb77

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\UUSIService_917f17bcb0b1417c9309d069cca47ddf.lnk

    Filesize

    1KB

    MD5

    a31e8bba003be63f61e851a3c4aba2a1

    SHA1

    0da57bf9a608b492d67ecd5025c2126a30abb944

    SHA256

    72746857bac9c6497e21d4427a76018a42cdf5045803b2184a9bf553de33818c

    SHA512

    2f24a0778f85df20c694a7e69a0ce0e7e0fe7acfb999ef971bac3e257136e2d4d66886c16319f81df6d28db64fe34a59031b1707648bccc275ea62f6548801f6

  • memory/1108-36-0x00000000742F0000-0x0000000074AA1000-memory.dmp

    Filesize

    7.7MB

  • memory/1108-61-0x00000000742F0000-0x0000000074AA1000-memory.dmp

    Filesize

    7.7MB

  • memory/1776-0-0x00000000742FE000-0x00000000742FF000-memory.dmp

    Filesize

    4KB

  • memory/1776-1-0x00000000001C0000-0x00000000001CC000-memory.dmp

    Filesize

    48KB

  • memory/1776-4-0x00000000742F0000-0x0000000074AA1000-memory.dmp

    Filesize

    7.7MB

  • memory/1776-52-0x00000000742F0000-0x0000000074AA1000-memory.dmp

    Filesize

    7.7MB

  • memory/3488-21-0x00000000742F0000-0x0000000074AA1000-memory.dmp

    Filesize

    7.7MB

  • memory/3488-22-0x00000000742F0000-0x0000000074AA1000-memory.dmp

    Filesize

    7.7MB

  • memory/3488-55-0x00000000742F0000-0x0000000074AA1000-memory.dmp

    Filesize

    7.7MB

  • memory/3488-58-0x00000000742F0000-0x0000000074AA1000-memory.dmp

    Filesize

    7.7MB