Overview

overview

8

Static

static

3

c6383a1fba...ec.exe

windows7-x64

8

c6383a1fba...ec.exe

windows10-2004-x64

1

Analysis

  • max time kernel
    122s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    13/03/2024, 15:27

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General

  • Target

    c6383a1fba4fed6b3faa0b24d85a93ec.exe

  • Size

    320KB

  • MD5

    c6383a1fba4fed6b3faa0b24d85a93ec

  • SHA1

    15fab436252475124d2d2ff1eeb388d3bc46e586

  • SHA256

    ea1577b6406765f0ccc2ff73ea8a9bf66f60c94d25742d34e1abe5b5026a0aed

  • SHA512

    058dfc796c5536961dc4d5eaf6aada32fd7edfa276582ecfdddf2c56db8d66a06a668bead632c3beffb0f1a69ac24680e1486cc71cd9e4be0d559cd40327f4f2

  • SSDEEP

    6144:59LL6KQfJ01opmXAZp5BZjbnTOxXZ0mUmThjeHdBAGsF:nL6KQhKXsBZjjKJ0mUkhjsKG

Score
8/10
evasionpersistence

Malware Config

Signatures

  • Disables taskbar notifications via registry modification
    evasion
  • Modifies Installed Components in the registry 2 TTPs 1 IoCs
    persistence
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 12 IoCs
  • Suspicious use of FindShellTrayWindow 28 IoCs
  • Suspicious use of SendNotifyMessage 22 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\c6383a1fba4fed6b3faa0b24d85a93ec.exe
    "C:\Users\Admin\AppData\Local\Temp\c6383a1fba4fed6b3faa0b24d85a93ec.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2524
    • C:\Users\Admin\AppData\Local\kur.exe
      "C:\Users\Admin\AppData\Local\kur.exe" -gav C:\Users\Admin\AppData\Local\Temp\c6383a1fba4fed6b3faa0b24d85a93ec.exe
      2⤵
      • Executes dropped EXE
      PID:2228
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Modifies Installed Components in the registry
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:1904

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\kur.exe
    Filesize

    320KB

    MD5

    c6383a1fba4fed6b3faa0b24d85a93ec

    SHA1

    15fab436252475124d2d2ff1eeb388d3bc46e586

    SHA256

    ea1577b6406765f0ccc2ff73ea8a9bf66f60c94d25742d34e1abe5b5026a0aed

    SHA512

    058dfc796c5536961dc4d5eaf6aada32fd7edfa276582ecfdddf2c56db8d66a06a668bead632c3beffb0f1a69ac24680e1486cc71cd9e4be0d559cd40327f4f2

    Download Submit

  • memory/1904-10-0x0000000004110000-0x0000000004111000-memory.dmp

    Filesize

    4KB

    Download

  • memory/1904-11-0x0000000004110000-0x0000000004111000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2524-0-0x0000000000230000-0x000000000024D000-memory.dmp

    Filesize

    116KB

    Download

  • memory/2524-1-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

    Download

  • memory/2524-2-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

    Download

  • memory/2524-3-0x0000000002010000-0x00000000022AD000-memory.dmp

    Filesize

    2.6MB

    Download

  • memory/2524-8-0x0000000000400000-0x00000000005DE000-memory.dmp

    Filesize

    1.9MB

    Download