Analysis

  • max time kernel
    151s
  • max time network
    186s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-10-2022 20:29

General

  • Target

    569b20b5c29521ef8ae02ce31de4216b1d30c194d101e63f6987f47f3832e293.exe

  • Size

    156KB

  • MD5

    6c0a33f53233906586cd6ba124aa1dc8

  • SHA1

    9165be1ca5a0f91d8d21b173ac4be7188418e3f9

  • SHA256

    569b20b5c29521ef8ae02ce31de4216b1d30c194d101e63f6987f47f3832e293

  • SHA512

    42d6704a63d5b98ece548da88d1ecccd15b7fff4469753328f5b31bac2b898a23153d0b95a639f9af7abbbd592f9bb41eb77ba52154cdd3988d215ae7c3c66e2

  • SSDEEP

    1536:MZan4ngzp0B8GMNuRe305Xrud5N9jRMmBUKH7zD87/u+JcBqVbv1BsbhbEle+RRw:fogekufubFKVXcBqB1BGSjNX

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 28 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\569b20b5c29521ef8ae02ce31de4216b1d30c194d101e63f6987f47f3832e293.exe
    "C:\Users\Admin\AppData\Local\Temp\569b20b5c29521ef8ae02ce31de4216b1d30c194d101e63f6987f47f3832e293.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4072
    • C:\Users\Admin\tutil.exe
      "C:\Users\Admin\tutil.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:3604

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\tutil.exe

    Filesize

    156KB

    MD5

    10d9f71c5b79a1fdaa60132f6136e5d5

    SHA1

    b9cf301dbf3023f878cd3896a0ccd5aecb47e31b

    SHA256

    f0e96bbb12da2bdcc0e585012761a4f2b552abdac806d002959ec79f05167197

    SHA512

    0d5fb44ce5c943bfb5970af8184b0e12b2a22cb7d92d4da212e1ca1788f0be57578b8ebe50c30ad546122eb4b0dd8e6c782d87541e150edde8487cf61b1f4f6c

  • C:\Users\Admin\tutil.exe

    Filesize

    156KB

    MD5

    10d9f71c5b79a1fdaa60132f6136e5d5

    SHA1

    b9cf301dbf3023f878cd3896a0ccd5aecb47e31b

    SHA256

    f0e96bbb12da2bdcc0e585012761a4f2b552abdac806d002959ec79f05167197

    SHA512

    0d5fb44ce5c943bfb5970af8184b0e12b2a22cb7d92d4da212e1ca1788f0be57578b8ebe50c30ad546122eb4b0dd8e6c782d87541e150edde8487cf61b1f4f6c