Analysis

  • max time kernel
    147s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20241023-en
  • resource tags

    arch:x64arch:x86image:win11-20241023-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    12-01-2025 01:06

General

  • Target

    idk.exe

  • Size

    839KB

  • MD5

    bddc58491603cfa73dfba7979034f776

  • SHA1

    ca7a5dab243f239aa6f821c36502ba09c1a260f3

  • SHA256

    40c4a1db022d73b058eac101c95cb86a60bc7379e5d2f8371e0e4bdba71404a5

  • SHA512

    1eaebb8b342650acb9fb7e7a572bd99405213db703bb41d23188a68f4c743669c3cd0668cee10074c37c7b4b6a4a65b7089dddcb3890917c7d0e99ec39d029b2

  • SSDEEP

    24576:qpS04YNEMuExDiU6E5R9s8xY/2l/dmtnIbt+rO:qL4auS+UjfU2TmdIbt+r

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 45 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\idk.exe
    "C:\Users\Admin\AppData\Local\Temp\idk.exe"
    1⤵
    • Drops desktop.ini file(s)
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2052
    • C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:4916

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe

    Filesize

    839KB

    MD5

    bddc58491603cfa73dfba7979034f776

    SHA1

    ca7a5dab243f239aa6f821c36502ba09c1a260f3

    SHA256

    40c4a1db022d73b058eac101c95cb86a60bc7379e5d2f8371e0e4bdba71404a5

    SHA512

    1eaebb8b342650acb9fb7e7a572bd99405213db703bb41d23188a68f4c743669c3cd0668cee10074c37c7b4b6a4a65b7089dddcb3890917c7d0e99ec39d029b2

  • memory/2052-0-0x0000000074631000-0x0000000074632000-memory.dmp

    Filesize

    4KB

  • memory/2052-1-0x0000000074630000-0x0000000074BE1000-memory.dmp

    Filesize

    5.7MB

  • memory/2052-2-0x0000000074630000-0x0000000074BE1000-memory.dmp

    Filesize

    5.7MB

  • memory/2052-18-0x0000000074630000-0x0000000074BE1000-memory.dmp

    Filesize

    5.7MB

  • memory/4916-19-0x0000000074630000-0x0000000074BE1000-memory.dmp

    Filesize

    5.7MB

  • memory/4916-21-0x0000000074630000-0x0000000074BE1000-memory.dmp

    Filesize

    5.7MB

  • memory/4916-20-0x0000000074630000-0x0000000074BE1000-memory.dmp

    Filesize

    5.7MB

  • memory/4916-22-0x0000000074630000-0x0000000074BE1000-memory.dmp

    Filesize

    5.7MB