Analysis

  • max time kernel
    115s
  • max time network
    120s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240730-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/08/2024, 02:37

General

  • Target

    3ff37570833246feca450570b488af90N.exe

  • Size

    57KB

  • MD5

    3ff37570833246feca450570b488af90

  • SHA1

    b65787d1914bf58afcc604a38ea2b7dc6f5bd8a8

  • SHA256

    9f4d93da633a2b25b0fd5a2a37ce120499ce6d94b4bd8c688bd015b504a930ab

  • SHA512

    7cd9b4f767f45f1192b064bfea51fa6009351cfa0f98f72614da5dabfdc0615a8236eec1b94004de8ed269fb2c7882ced80b76887af439cc71dd5e51b2ecf5d8

  • SSDEEP

    384:asjPGY2HXgrkEYYhQ98E8I1XAV/QcaYpATUgch1A9NB/erxFpkM:aePG5H8XhKD8ISZQjkgs1lxFj

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
  • 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 use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3ff37570833246feca450570b488af90N.exe
    "C:\Users\Admin\AppData\Local\Temp\3ff37570833246feca450570b488af90N.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:868
    • C:\Users\Admin\AppData\Local\Temp\winupdate.exe
      "C:\Users\Admin\AppData\Local\Temp\winupdate.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1208

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\winupdate.exe

    Filesize

    57KB

    MD5

    a010ec7ca8d3dcc199af2352870f2e42

    SHA1

    bbb93ffe66f3944d3bd8e84294a1429567c899ab

    SHA256

    f53be85c5174e513767ed3eebfbe23ac13cf1d1a7b2ef5cbf980db8e1fb85a92

    SHA512

    20fd1a1d5531a96dac6a4d498c5dd2f9421fe05f7f89b31aab2729f301507eff75a666f5492abae00b3e038bef78d9ddfd6534f17c93b2d26bf3f149d2b5400e

  • memory/868-0-0x0000000000500000-0x0000000000512000-memory.dmp

    Filesize

    72KB

  • memory/868-1-0x0000000000501000-0x0000000000502000-memory.dmp

    Filesize

    4KB

  • memory/868-10-0x0000000000500000-0x0000000000512000-memory.dmp

    Filesize

    72KB

  • memory/1208-11-0x0000000000500000-0x0000000000512000-memory.dmp

    Filesize

    72KB