Analysis

  • max time kernel
    601s
  • max time network
    886s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-01-2025 21:06

General

  • Target

    AimAssist.exe

  • Size

    839KB

  • MD5

    9232f68810b230913f7b46b2db02d8a1

  • SHA1

    afece387cdf0f80acf98f57589234b584a8e13c4

  • SHA256

    8e2de94aa59d77bb4ba00b39e5b4dddf69321a558975388c666f51084339a03e

  • SHA512

    8169ccfd632b590040335c5b59db1a9a50d477795c4e00c49ba3b846e3d2cdc839e3cc2e3f2ebc8450d8f9bced96e596d11cd74cf5a789d29ba49476364f5488

  • SSDEEP

    24576:SxdS04YNEMuExDiU6E5R9s8xY/2l/d2tnIbt+r2:GP4auS+UjfU2T2dIbt+r

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Drops desktop.ini file(s) 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 3 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\AimAssist.exe
    "C:\Users\Admin\AppData\Local\Temp\AimAssist.exe"
    1⤵
    • Checks computer location settings
    • Drops desktop.ini file(s)
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1240
    • 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:4544

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

    9232f68810b230913f7b46b2db02d8a1

    SHA1

    afece387cdf0f80acf98f57589234b584a8e13c4

    SHA256

    8e2de94aa59d77bb4ba00b39e5b4dddf69321a558975388c666f51084339a03e

    SHA512

    8169ccfd632b590040335c5b59db1a9a50d477795c4e00c49ba3b846e3d2cdc839e3cc2e3f2ebc8450d8f9bced96e596d11cd74cf5a789d29ba49476364f5488

  • memory/1240-0-0x0000000074D22000-0x0000000074D23000-memory.dmp

    Filesize

    4KB

  • memory/1240-1-0x0000000074D20000-0x00000000752D1000-memory.dmp

    Filesize

    5.7MB

  • memory/1240-2-0x0000000074D20000-0x00000000752D1000-memory.dmp

    Filesize

    5.7MB

  • memory/1240-3-0x0000000074D20000-0x00000000752D1000-memory.dmp

    Filesize

    5.7MB

  • memory/1240-19-0x0000000074D20000-0x00000000752D1000-memory.dmp

    Filesize

    5.7MB

  • memory/4544-20-0x0000000074D20000-0x00000000752D1000-memory.dmp

    Filesize

    5.7MB

  • memory/4544-21-0x0000000074D20000-0x00000000752D1000-memory.dmp

    Filesize

    5.7MB

  • memory/4544-24-0x0000000074D20000-0x00000000752D1000-memory.dmp

    Filesize

    5.7MB

  • memory/4544-25-0x0000000074D20000-0x00000000752D1000-memory.dmp

    Filesize

    5.7MB

  • memory/4544-26-0x0000000074D20000-0x00000000752D1000-memory.dmp

    Filesize

    5.7MB