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Analysis

  • max time kernel
    169s
  • max time network
    187s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/12/2022, 00:18

General

  • Target

    d09a4af73e886805dea6984bb879a347bc5a300a8cbacad90e2425aae2a05e32.exe

  • Size

    216KB

  • MD5

    815ec385f55398e0d411b921a311c1a8

  • SHA1

    9a6315aa747375133cb61f18c2e468071fa40ab6

  • SHA256

    d09a4af73e886805dea6984bb879a347bc5a300a8cbacad90e2425aae2a05e32

  • SHA512

    f0fabb15b47a2add622c5a5d448008bbfeccc2073fc10ea7dde6c930af6d0f091a0eaa93e4017d4974eb5e95f13f6daa07788016276900ed37d3e7f62ca48acc

  • SSDEEP

    6144:324Ifrt3+TetonBi3QxRy4g09ICSnqf9uSUgkxtpsaPjK/bEoK828fwAoEn+MKb:32zrt3+TetonBi3QxRwfnqf9uSUgkxt7

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 55 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\d09a4af73e886805dea6984bb879a347bc5a300a8cbacad90e2425aae2a05e32.exe
    "C:\Users\Admin\AppData\Local\Temp\d09a4af73e886805dea6984bb879a347bc5a300a8cbacad90e2425aae2a05e32.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:424
    • C:\Users\Admin\weuezuj.exe
      "C:\Users\Admin\weuezuj.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:4120

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\weuezuj.exe

    Filesize

    216KB

    MD5

    af2faf26391e4c7ea978061dcf96de44

    SHA1

    7e1b328e2810b0631929039385f2e8a8c0bf536a

    SHA256

    727edfcaf2b69d13c702eb2280ffef9f93279b125f44ba548fbd129562acd86e

    SHA512

    49f861cee08850b5c3f6861758861a8fb03a5276d4f598cc63991bcaff64b09658e62b6e0bfd2cf6cff2d40f08fc106cc674e9a87afb855b67c6edb6cc236678

  • C:\Users\Admin\weuezuj.exe

    Filesize

    216KB

    MD5

    af2faf26391e4c7ea978061dcf96de44

    SHA1

    7e1b328e2810b0631929039385f2e8a8c0bf536a

    SHA256

    727edfcaf2b69d13c702eb2280ffef9f93279b125f44ba548fbd129562acd86e

    SHA512

    49f861cee08850b5c3f6861758861a8fb03a5276d4f598cc63991bcaff64b09658e62b6e0bfd2cf6cff2d40f08fc106cc674e9a87afb855b67c6edb6cc236678