Resubmissions

01-07-2024 08:58

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General

  • Target

    sample

  • Size

    491KB

  • Sample

    240701-kgfezsvenj

  • MD5

    06352c227e31e52c4a33996144be71da

  • SHA1

    2e2879e290b3a411a80ec6661c9e277a8f21b2e7

  • SHA256

    af23ff1818fe3c7fe2a9539e34ab1fa98c254e37fb90d349d6ed87795cefd62e

  • SHA512

    40e5d682b3186f1a69c248e6199648b378ad825f8ae5db319979af7af123374dab1706032f7ad196afed8e74741abdaded1ec9d9ea5b85dc71995f4478009b5f

  • SSDEEP

    6144:VD/AY/AYrAYyAYdAYSAYKAYsAYzAYpAYgbg:VDAiAUARA0A5ANA9AOAWAbbg

Malware Config

Targets

    • Target

      sample

    • Size

      491KB

    • MD5

      06352c227e31e52c4a33996144be71da

    • SHA1

      2e2879e290b3a411a80ec6661c9e277a8f21b2e7

    • SHA256

      af23ff1818fe3c7fe2a9539e34ab1fa98c254e37fb90d349d6ed87795cefd62e

    • SHA512

      40e5d682b3186f1a69c248e6199648b378ad825f8ae5db319979af7af123374dab1706032f7ad196afed8e74741abdaded1ec9d9ea5b85dc71995f4478009b5f

    • SSDEEP

      6144:VD/AY/AYrAYyAYdAYSAYKAYsAYzAYpAYgbg:VDAiAUARA0A5ANA9AOAWAbbg

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Downloads MZ/PE file

    • Event Triggered Execution: Image File Execution Options Injection

    • Modifies Windows Firewall

    • Drops startup file

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

    • Checks for any installed AV software in registry

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Checks whether UAC is enabled

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Legitimate hosting services abused for malware hosting/C2

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Checks system information in the registry

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

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Active Setup

1
T1547.014

Event Triggered Execution

3
T1546

Netsh Helper DLL

1
T1546.007

Image File Execution Options Injection

1
T1546.012

Component Object Model Hijacking

1
T1546.015

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Active Setup

1
T1547.014

Event Triggered Execution

3
T1546

Netsh Helper DLL

1
T1546.007

Image File Execution Options Injection

1
T1546.012

Component Object Model Hijacking

1
T1546.015

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Defense Evasion

Modify Registry

3
T1112

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Software Discovery

1
T1518

Security Software Discovery

1
T1518.001

Query Registry

7
T1012

System Information Discovery

7
T1082

Peripheral Device Discovery

2
T1120

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Tasks