Analysis

  • max time kernel
    94s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-11-2024 14:52

General

  • Target

    7faf355f150771e125b8e4eb345fd092ded04aa2c01cb419a105fa957afceb26N.exe

  • Size

    328KB

  • MD5

    87ff8a4df8d83ab76a2c842954572930

  • SHA1

    3bd1c9014ec8f2be2063f9f4badb67abaa566329

  • SHA256

    7faf355f150771e125b8e4eb345fd092ded04aa2c01cb419a105fa957afceb26

  • SHA512

    dd5b2b90f51c57d33fc1bcc178f482d04cd650d6d1e107cb99833b490fd32f67901b260639d81d5c0ac46e23b4cc59c0e5b7009cd01358f4ac374292e05090e2

  • SSDEEP

    6144:RyWOeLm+tkxoGQvT+W4+HMc+MEGRQ6saHSMf3z0AzbLUG50Tpm+MmvbWdlL0d5aU:RCemx0vN3HKGi6sYjJLUGGtedud5tr7

Malware Config

Signatures

  • Drops file in Drivers directory 1 IoCs
  • Possible privilege escalation attempt 4 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Modifies file permissions 1 TTPs 4 IoCs
  • Installs/modifies Browser Helper Object 2 TTPs 3 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Maps connected drives based on registry 3 TTPs 3 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Drops file in System32 directory 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

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

  • Modifies registry class 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: LoadsDriver 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7faf355f150771e125b8e4eb345fd092ded04aa2c01cb419a105fa957afceb26N.exe
    "C:\Users\Admin\AppData\Local\Temp\7faf355f150771e125b8e4eb345fd092ded04aa2c01cb419a105fa957afceb26N.exe"
    1⤵
    • Drops file in Drivers directory
    • Sets service image path in registry
    • Installs/modifies Browser Helper Object
    • Maps connected drives based on registry
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: LoadsDriver
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1428
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c takeown /f C:\Windows\SysWOW64\wshtcpip.dll && icacls C:\Windows\SysWOW64\wshtcpip.dll /grant administrators:F
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1828
      • C:\Windows\SysWOW64\takeown.exe
        takeown /f C:\Windows\SysWOW64\wshtcpip.dll
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:4984
      • C:\Windows\SysWOW64\icacls.exe
        icacls C:\Windows\SysWOW64\wshtcpip.dll /grant administrators:F
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        • System Location Discovery: System Language Discovery
        PID:3960
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c takeown /f C:\Windows\SysWOW64\midimap.dll && icacls C:\Windows\SysWOW64\midimap.dll /grant administrators:F
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4496
      • C:\Windows\SysWOW64\takeown.exe
        takeown /f C:\Windows\SysWOW64\midimap.dll
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:4572
      • C:\Windows\SysWOW64\icacls.exe
        icacls C:\Windows\SysWOW64\midimap.dll /grant administrators:F
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        • System Location Discovery: System Language Discovery
        PID:444
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\ahnmove.bat
      2⤵
      • System Location Discovery: System Language Discovery
      PID:880

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\ahnmove.bat

    Filesize

    181B

    MD5

    7bdb1aa1dfd66e965486813a86d64016

    SHA1

    f373a46c158faea9b055c23173e8693212c96b71

    SHA256

    ef69fa604946cd133c7d0019757a81c881522fab5a356140dd9053c3517f4673

    SHA512

    5f00078c6e5e7d85bb62d6ec05cd055da100e3032337221d656b88fa2ba41f43f3873a909b01b8ac5e25940f4a95cc6414b82871ff2f3d5335f31421cad01758

  • memory/1428-0-0x0000000001000000-0x000000000116A000-memory.dmp

    Filesize

    1.4MB

  • memory/1428-1-0x0000000000580000-0x00000000005A0000-memory.dmp

    Filesize

    128KB

  • memory/1428-5-0x0000000001000000-0x000000000116A000-memory.dmp

    Filesize

    1.4MB

  • memory/1428-24-0x0000000001000000-0x000000000116A000-memory.dmp

    Filesize

    1.4MB