Analysis

  • max time kernel
    111s
  • max time network
    110s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/10/2024, 14:35

General

  • Target

    a93edf36ef25a61c0a99b157304430622b69a0182ae853dab26ca2fdc14ee59fN.exe

  • Size

    58KB

  • MD5

    9ab82b2b727ff63da75a23ce811d3420

  • SHA1

    92a8a943e34fa186e18e0ace3c0aaf50c1718c03

  • SHA256

    a93edf36ef25a61c0a99b157304430622b69a0182ae853dab26ca2fdc14ee59f

  • SHA512

    443908cfe6fb01593859707c87e5f62b2d9e63dbcb9330c5af46e577e9fe072ba173660b3c4601f9e4b6cf0c28c654c84c1cd55d44958f84484a39dd31edc24c

  • SSDEEP

    1536:hvQoLHjw2iWPKMvw71/RLyXwvvvZeee5Ltttt7:hv5Ls27BIJ/RLyXweeeRtttt7

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
  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

  • Drops file in Windows directory 2 IoCs
  • 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.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a93edf36ef25a61c0a99b157304430622b69a0182ae853dab26ca2fdc14ee59fN.exe
    "C:\Users\Admin\AppData\Local\Temp\a93edf36ef25a61c0a99b157304430622b69a0182ae853dab26ca2fdc14ee59fN.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4856
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\A93EDF~1.EXE > nul
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4800
  • C:\Windows\Debug\dcihost.exe
    C:\Windows\Debug\dcihost.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    PID:1904

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Windows\Debug\dcihost.exe

          Filesize

          58KB

          MD5

          93f76f717b5ee4130ba116057725842e

          SHA1

          d638b4f3febcc50af41ad91f4abae33d924ceae6

          SHA256

          dc85a01981943b445b3af06e99d533aa50f4de395c85157e50c38befdc23412e

          SHA512

          128bb8246f6eaff59665f97a8302b5e7748a34112989a2f8d9d102bcec03a149da30e70ac73c5ad11290594dbce8de0cf4f5d00b94bbf526cc4cf2c19119386d