Overview

overview

9

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ฺฺฺà...ฺฺ

windows10_x64

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General

  • Target

    dotEXE1.exe

  • Size

    7.6MB

  • Sample

    201125-81t31k5vp6

  • MD5

    577594e40e94b665829e6e23c7fc8203

  • SHA1

    0085845381c7d3f6bdb07a8281fdb7302f733577

  • SHA256

    417ad511cc354f6391cc90451d8925ae8df9a0cb5808fa9bac0c2e91d3a243af

  • SHA512

    5c7c4c646f87dee1d16cd5839b1e439d3d0d9c7e1c1808c480c113fa8b169ec7468b06341cfdfba9b08dfd836427514e41eb3410599d0f94a27ad29f3fa82c07

Score
9/10
bootkitevasionransomwaretrojan

Malware Config

Targets

    • Target

      dotEXE1.exe

    • Size

      7.6MB

    • MD5

      577594e40e94b665829e6e23c7fc8203

    • SHA1

      0085845381c7d3f6bdb07a8281fdb7302f733577

    • SHA256

      417ad511cc354f6391cc90451d8925ae8df9a0cb5808fa9bac0c2e91d3a243af

    • SHA512

      5c7c4c646f87dee1d16cd5839b1e439d3d0d9c7e1c1808c480c113fa8b169ec7468b06341cfdfba9b08dfd836427514e41eb3410599d0f94a27ad29f3fa82c07

    Score
    9/10
    bootkitevasionransomwaretrojan

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

      evasion

    • Executes dropped EXE

    • Modifies WinLogon to allow AutoLogon

      Enables rebooting of the machine without requiring login credentials.

      ransomwarebootkit

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Loads dropped DLL

    • Checks whether UAC is enabled

      evasiontrojan

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

2
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

2
T1082

Process Discovery

1
T1057

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks