Overview

overview

10

Static

static

c570228b8a...3e.exe

windows7_x64

10

c570228b8a...3e.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    151s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    20-05-2022 22:58

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General

  • Target

    c570228b8a3ef3fe610b094431dd6f274f9c86ef242c8aba58cd8f4d1f08a83e.exe

  • Size

    1.3MB

  • MD5

    4bdff552f9a5e0f0aec8fed6369d1367

  • SHA1

    da58bc2768fee0c648e60327ca9690e5286592b3

  • SHA256

    c570228b8a3ef3fe610b094431dd6f274f9c86ef242c8aba58cd8f4d1f08a83e

  • SHA512

    1351da894778c29389a26e26836c0defbc205ffad4f3c5c82db5cf204e8f757739a0734f188f9f9dd3cf6a2abec9a170645637c76e90641db68a4b7839d69a66

Score
10/10
evasionpersistence

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
    persistence
  • Disables RegEdit via registry modification
    evasion
  • Disables Task Manager via registry modification
    evasion
  • Sets file execution options in registry 2 TTPs
    persistence
  • Enumerates physical storage devices 1 TTPs

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

  • Kills process with taskkill 4 IoCs
    evasion
  • Modifies Internet Explorer settings 1 TTPs 15 IoCs
    adwarespyware
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs
  • System policy modification 1 TTPs 2 IoCs
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\c570228b8a3ef3fe610b094431dd6f274f9c86ef242c8aba58cd8f4d1f08a83e.exe
    "C:\Users\Admin\AppData\Local\Temp\c570228b8a3ef3fe610b094431dd6f274f9c86ef242c8aba58cd8f4d1f08a83e.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Modifies Internet Explorer settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:560
    • C:\Windows\SysWOW64\taskkill.exe
      taskkill /f /im Explorer.exe
      2⤵
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:1484
    • C:\Windows\SysWOW64\taskkill.exe
      taskkill /f /im TaskMgr.exe
      2⤵
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:1604
    • C:\Windows\SysWOW64\taskkill.exe
      taskkill /f /im Regedit.exe
      2⤵
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:1460
    • C:\Windows\SysWOW64\taskkill.exe
      taskkill /f /im Cmd.exe
      2⤵
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:432
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x594
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1304

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

4
T1112

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

  • memory/432-58-0x0000000000000000-mapping.dmp
    Download
  • memory/560-54-0x00000000753E1000-0x00000000753E3000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1460-57-0x0000000000000000-mapping.dmp
    Download
  • memory/1484-55-0x0000000000000000-mapping.dmp
    Download
  • memory/1604-56-0x0000000000000000-mapping.dmp
    Download