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Analysis

  • max time kernel
    90s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/12/2022, 18:48

General

  • Target

    ada0b1c13577b1472ef72d58dfef1fd291b624e0cd91c26ef11896a86471519d.exe

  • Size

    393KB

  • MD5

    1156b80d7c68bae38af88ecf13d3dc82

  • SHA1

    fb1516b53adb0033c2fbe444c998990ec5a45e69

  • SHA256

    ada0b1c13577b1472ef72d58dfef1fd291b624e0cd91c26ef11896a86471519d

  • SHA512

    e6be56c6f650a4e77130f99bb92d822548123d92243631b1c08e5073b560de0c8cd6abe86961e3ad85a43dc5fc97f6e084723bba277f07f005e5aa3a3537f9ce

  • SSDEEP

    6144:fhUxwUcIzRmQniqTHVt5q2SG8Q/peqLxQM1qgFI/z0XY76i1Qxt9Kok:uSK1m1qT1nq2drpnxQM1qgFI/szg9z

Score
8/10
upx

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ada0b1c13577b1472ef72d58dfef1fd291b624e0cd91c26ef11896a86471519d.exe
    "C:\Users\Admin\AppData\Local\Temp\ada0b1c13577b1472ef72d58dfef1fd291b624e0cd91c26ef11896a86471519d.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4996
    • C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\installer.exe
      "C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\installer.exe"
      2⤵
      • Executes dropped EXE
      PID:4744

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\installer.exe

    Filesize

    1.3MB

    MD5

    273b8bb8a29b24de7e664189e707b1e6

    SHA1

    18fbc8e40924df9a49b590acf419b26109415301

    SHA256

    a14c7fdc2ff52e679352176579b7cea8b94352b70b0cec51cba0d05881c10c2e

    SHA512

    d1976d37395728b6649e4a4d90bfe5a33b3dfafd36ff31ea6c77b5e513f667baa4d43d93465dc006ecca19e8639967974d5a7cc80127b5ca01112510b0b5a498

  • C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\installer.exe

    Filesize

    1.3MB

    MD5

    273b8bb8a29b24de7e664189e707b1e6

    SHA1

    18fbc8e40924df9a49b590acf419b26109415301

    SHA256

    a14c7fdc2ff52e679352176579b7cea8b94352b70b0cec51cba0d05881c10c2e

    SHA512

    d1976d37395728b6649e4a4d90bfe5a33b3dfafd36ff31ea6c77b5e513f667baa4d43d93465dc006ecca19e8639967974d5a7cc80127b5ca01112510b0b5a498

  • memory/4996-132-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/4996-136-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB