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Analysis

  • max time kernel
    165s
  • max time network
    190s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/11/2022, 21:01

General

  • Target

    d3a171705a93ebeccb5001ed87e1ceb9925503162d3d0998245b9e74d0b7ac5c.exe

  • Size

    60KB

  • MD5

    02ae17b892f6831aab74992efb8c4170

  • SHA1

    95e3cfef7e02af68dcba6f431c09de9b69e62890

  • SHA256

    d3a171705a93ebeccb5001ed87e1ceb9925503162d3d0998245b9e74d0b7ac5c

  • SHA512

    d9a674b2fbf78a42fcc90e7e0b59bad5d0bc4d13628cf671c9d657a7240f47d4745fb197931ae5dfb10062548ba5414b463574bac5d69f846b72f9e633a09afb

  • SSDEEP

    768:C064lSLCxCIHQoU66U0KMXndolsz7NMRQk/0qtF1enbw1o+Qs+N5:WqSLErmU07ndoS7NMVXtF1ow1o+QH

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 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 51 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 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d3a171705a93ebeccb5001ed87e1ceb9925503162d3d0998245b9e74d0b7ac5c.exe
    "C:\Users\Admin\AppData\Local\Temp\d3a171705a93ebeccb5001ed87e1ceb9925503162d3d0998245b9e74d0b7ac5c.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4412
    • C:\Users\Admin\taeli.exe
      "C:\Users\Admin\taeli.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
      • Suspicious use of WriteProcessMemory
      PID:3824

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\taeli.exe

    Filesize

    60KB

    MD5

    8f32c0aa19e36bc15d5d37b048d8e019

    SHA1

    3f7260dfcd4cbc11c48e680d8b60c69f6c4b7cb2

    SHA256

    b29784ec9ef2a3afabe975b62057f6ec9ef76ce02d2606482295a85bd167019e

    SHA512

    97f1aaf31948808374a03e7a1f09af15fdce555df371473f215a8e4b317a64bc5b54d10dc79072430d486744d524d83fe7e60096bb39e640dd0aa45bad8ff8b9

  • C:\Users\Admin\taeli.exe

    Filesize

    60KB

    MD5

    8f32c0aa19e36bc15d5d37b048d8e019

    SHA1

    3f7260dfcd4cbc11c48e680d8b60c69f6c4b7cb2

    SHA256

    b29784ec9ef2a3afabe975b62057f6ec9ef76ce02d2606482295a85bd167019e

    SHA512

    97f1aaf31948808374a03e7a1f09af15fdce555df371473f215a8e4b317a64bc5b54d10dc79072430d486744d524d83fe7e60096bb39e640dd0aa45bad8ff8b9