Overview

overview

10

Static

static

3

d04bbb64aa...0N.exe

windows7-x64

10

d04bbb64aa...0N.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    119s
  • max time network
    109s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/09/2024, 09:00

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General

  • Target

    d04bbb64aa6ebec0f04542b1844fd4b0N.exe

  • Size

    156KB

  • MD5

    d04bbb64aa6ebec0f04542b1844fd4b0

  • SHA1

    043c0172875069d3594c5f8504a28c855051f158

  • SHA256

    3316bec72997d8b2d923f9b8e53cae640116ca90e86db98d8c53f345796840ab

  • SHA512

    fc84eb2440fbc24c922aa4deac6683324a3c3f29ed89ec09b5c9cf820b51cd368cd9497dc755cfdd0871cd29f99990a41f8df1fb6f333c0865074fe6a4f55457

  • SSDEEP

    3072:pHpLdUxOFxlLzrQF0T8ZnPZihF3KYGnUujyOjs6UvVXIR6CE5j4oQ:ZyOFxxrQJ0r3KYGnljw6AXfd

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 50 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\d04bbb64aa6ebec0f04542b1844fd4b0N.exe
    "C:\Users\Admin\AppData\Local\Temp\d04bbb64aa6ebec0f04542b1844fd4b0N.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:4456
    • C:\Users\Admin\gueukal.exe
      "C:\Users\Admin\gueukal.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:5072

Network

        MITRE ATT&CK Enterprise v15

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        Downloads

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

          156KB

          MD5

          8fc3446254c54a50e954bdb3fa1b7ae4

          SHA1

          b56d34b4ea0f17aacf04fcb687f7bed58420c2b2

          SHA256

          2b8903f717464306caf942925cc9c28d5a0b19d37f46ce6d91dd498f007b067a

          SHA512

          3c88c937c4a97d1302904af4a814a3305f71d259f32a73af2bb46989566fe4f0e01990898b4d4c247c1a5580dba1f3e4d9fd8a7a86653db5bf505afad59828ff

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