Analysis

  • max time kernel
    129s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-01-2024 14:50

General

  • Target

    817f5b0fcccda6756c485e463b3f0ea43bb894f866ce5cac9f7d1f065e3e1999.exe

  • Size

    339KB

  • MD5

    f549cea3f3f2d8304b56997d241690dd

  • SHA1

    b063ea7f64513aa2ddb3b7a7ac51f9d7cba7cf18

  • SHA256

    817f5b0fcccda6756c485e463b3f0ea43bb894f866ce5cac9f7d1f065e3e1999

  • SHA512

    3beeb0c83a0acfc41f1fb6273a04145783cd69ca126d924638ec2282ff162a39cf7b65b1107311f8be3d94003897e70ed78ecf2be07cda6d63b24ca8f6e512fd

  • SSDEEP

    6144:fc0h522p3l04ZMSmIp3Uy28uhyqe/I3ahlvFJxKvN0Ic22Zh1F:nhxp3lZnT9bDuaI3ahlvFJxK1nMh1F

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 2 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).

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\817f5b0fcccda6756c485e463b3f0ea43bb894f866ce5cac9f7d1f065e3e1999.exe
    "C:\Users\Admin\AppData\Local\Temp\817f5b0fcccda6756c485e463b3f0ea43bb894f866ce5cac9f7d1f065e3e1999.exe"
    1⤵
    • Checks computer location settings
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1748
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\RarSFX0\out.wsf"
      2⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:1188
      • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\wscript.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\wscript.exe" C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\hctraydll.wsf
        3⤵
        • Executes dropped EXE
        PID:4452

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\RarSFX0\out.wsf

    Filesize

    153KB

    MD5

    f7ee724ce772ca1675da370137700b1f

    SHA1

    06046df0fe7996a1b41d187b61a98997e6f53636

    SHA256

    337f3638c96bc767c2b4d9cc93a5a9666c46c6d7239766d4e0621ad596b947af

    SHA512

    3c48207f8fec184cf75297c75a892ca805e321a97b38f55e4b1205a049fd186457365704a74b97c4692bb45f708320680b71da39cb49f471afe082d823120888

  • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\wscript.exe

    Filesize

    144KB

    MD5

    ff00e0480075b095948000bdc66e81f0

    SHA1

    c2326cc50a739d3bc512bb65a24d42f1cde745c9

    SHA256

    8c767077bb410f95b1db237b31f4f6e1512c78c1f0120de3f215b501f6d1c7ea

    SHA512

    3a38e62dcb925411bc037335e46dfdd895c12a52ac43c47ef38db42d41d8358dfc2b1081a361367911d60ec5a3350ca734cf70ad57b21d39b23cfdec35b0aced