Analysis

  • max time kernel
    149s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/11/2024, 14:04

General

  • Target

    2d7c2eadeff9fcb6a0ba8f497c24bcecbee72a281a18ea4c9bc7ab52519c04b3.exe

  • Size

    156KB

  • MD5

    1e366e36c80cba426cffcc2836713681

  • SHA1

    b045181fc509aedc6e6c7b59b2138cf217aae4cf

  • SHA256

    2d7c2eadeff9fcb6a0ba8f497c24bcecbee72a281a18ea4c9bc7ab52519c04b3

  • SHA512

    d985ae1c4902be9a25727e1c15e6bd087dd02ab83cb9663b580d18807e7dd2d1f816399c4a2f12df01b2552d15c6e86c8f79e0d2dcd4d550e92c508273662617

  • SSDEEP

    3072:QBd1iE2MtU7Qv0w4ZRRQMMDwtIMCeFP4ANA4oQZiEbMc:SdcE2R7Qvb4tQTaCeFP4A+W/

Malware Config

Signatures

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

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

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 50 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\2d7c2eadeff9fcb6a0ba8f497c24bcecbee72a281a18ea4c9bc7ab52519c04b3.exe
    "C:\Users\Admin\AppData\Local\Temp\2d7c2eadeff9fcb6a0ba8f497c24bcecbee72a281a18ea4c9bc7ab52519c04b3.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:228
    • C:\Users\Admin\joaniu.exe
      "C:\Users\Admin\joaniu.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:2972

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\joaniu.exe

    Filesize

    156KB

    MD5

    1e3f152e66ed185d5b3b3f5ff6a726c4

    SHA1

    1179d123b0a8159e03f08b9e12b4df44a844794e

    SHA256

    5d3d3e45069e76ce501bd7df5994439d95680c0db6a805f3751473bacd43aef1

    SHA512

    8d7d4c11556756dd6cb3380bcecf505fb423dedcb073cd759dcc072269de11a9d841e79c6675482e6a2ce32eb2abcafefb24358369062a5f633b3a81705e2c93