Analysis

  • max time kernel
    150s
  • max time network
    113s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-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
  • Loads dropped DLL 64 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 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\67065a0933c9e_UUESUpdater.exe
    "C:\Users\Admin\AppData\Local\Temp\67065a0933c9e_UUESUpdater.exe"
    1⤵
    • Drops startup file
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2408
    • 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
      • Loads dropped DLL
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2148
      • 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:3064

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\UUSIService_c240c7da60a64e74b0751722ec11434f.lnk

    Filesize

    1KB

    MD5

    570df78839aac21eec4a57c7b281b2ca

    SHA1

    bdfa8472f3eb292b5cdd48f72caf8b101830a35c

    SHA256

    99b204a45f6332a4a85183184176210a0125f9f28589c5667ce23d33c54d2046

    SHA512

    cd6e0f26ca96f22b242cbb64fa3d4b0c1290c61fa3a5f0bc426b2b5204b8083f92756d6b5b43bcbf5611cd2c818e28ee02310afbc9b1a4cdad0036b23298c790

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\UUSIService_f81bdf4f6cc94efcb34e9f9b7086d4af.lnk

    Filesize

    1KB

    MD5

    f3b9fc6b7c7abe3c20c002ab3dc95b23

    SHA1

    f9e3cee5c0e60954799cb03fe66cbf3a12471e4d

    SHA256

    8a439c437086105bc1445d2653e35fdc1c1f8f3bde1afa56ca5b05b1af6f5915

    SHA512

    1d35817062c261bc7a5ccc03434d1b744829d254befde76d20933b21c33a5da649944ba914d6c151cf25ebbfdf04acfa52d1f73385c06adc757bd8f16a56f223

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

    Filesize

    26KB

    MD5

    0e926b28fc49f6259a70c032ae83cd14

    SHA1

    abb5856b3853cfe4ecc5e25ff1a7aa605afac007

    SHA256

    3088b0302d4b38c63ef4fead57aa6049da2cc62bf9f4a5d9331552c84fe516e6

    SHA512

    1f4306c38e6604f3945a4d1215576ee81514c34757318035d9220fb81da5bb4f39d23b8a22f404902fe3e67f0326a1f9ff45dc6ce8d3a41a69aab54de488fb77

  • memory/2148-14-0x0000000000080000-0x000000000008C000-memory.dmp

    Filesize

    48KB

  • memory/2148-17-0x00000000744E0000-0x0000000074BCE000-memory.dmp

    Filesize

    6.9MB

  • memory/2148-29-0x00000000744E0000-0x0000000074BCE000-memory.dmp

    Filesize

    6.9MB

  • memory/2148-58-0x00000000744E0000-0x0000000074BCE000-memory.dmp

    Filesize

    6.9MB

  • memory/2148-62-0x00000000744E0000-0x0000000074BCE000-memory.dmp

    Filesize

    6.9MB

  • memory/2408-0-0x00000000744EE000-0x00000000744EF000-memory.dmp

    Filesize

    4KB

  • memory/2408-1-0x00000000000E0000-0x00000000000EC000-memory.dmp

    Filesize

    48KB

  • memory/3064-28-0x0000000000F80000-0x0000000000F8C000-memory.dmp

    Filesize

    48KB