Overview

overview

10

Static

static

3

3c1f80c99c...c0.exe

windows7-x64

10

3c1f80c99c...c0.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    120s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-11-2024 01:28

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General

  • Target

    3c1f80c99cb2d5d7a205df03a558e84b1666da2699d1cc19a8a137839bf1d4c0.exe

  • Size

    32KB

  • MD5

    efd052d91d10e709a6b6ab313d25b505

  • SHA1

    5bf7f8e90d4a751a3dae3df9bf00d4dedaa84b24

  • SHA256

    3c1f80c99cb2d5d7a205df03a558e84b1666da2699d1cc19a8a137839bf1d4c0

  • SHA512

    1e49844708356d81cc03a1932004c7c667fc20f48cfbd55f2fa464726474763209612592be0f124958335c23d59cf9496837a2a0184b6bee7e9a8be97805c545

  • SSDEEP

    768:BmahIdmVIBW+HvWa+z15oB19mPHXRHrMWNCSGcdH8zevcd:B3hIdmVIBW+P9B19CR55+Cvcd

Score
10/10
discoveryevasionpersistence

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
    evasion
  • 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 2 IoCs
    persistence
  • 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.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\3c1f80c99cb2d5d7a205df03a558e84b1666da2699d1cc19a8a137839bf1d4c0.exe
    "C:\Users\Admin\AppData\Local\Temp\3c1f80c99cb2d5d7a205df03a558e84b1666da2699d1cc19a8a137839bf1d4c0.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:4544
    • C:\Users\Admin\Admin.exe
      "C:\Users\Admin\Admin.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:672

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\Admin.exe
    Filesize

    32KB

    MD5

    c483741f5a027ed77276f1b978f50558

    SHA1

    2f7f8ca8b0564124b472e231370279fbdf1c64de

    SHA256

    2661cd338efc05392257d5940bd2fb7bea41a954f2181a39979fbe0fcdbed25b

    SHA512

    c7c9801a216123a4e0692421c57adcdf3ef5eb01ed5869e7f6e68945f2b28d9d72acefa82e08820fe54711ec87b48a3d0a6cf8d7b30428fd0a1726cd440f971f

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  • memory/672-33-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

    Download

  • memory/4544-0-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

    Download