Overview

overview

10

Static

static

3

2025-12-08...ry.exe

windows10-2004-x64

10

2025-12-08...ry.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    2025-12-08_02baa2c033abb9f71ee6a0d7350bcc3b_elex_mimic_pay2key_wannacry
  • Size 2.2MB
  • Sample251208-cmyjrasjb1
  • SHA256 313a313498f5ee1f28935f55738a7e450cab3bd6275e3c686fd198ea9c20ce72
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
mimicdefense_evasiondiscoveryevasionexecutionpersistenceransomware

Malware Config

Targets

    • Target
      2025-12-08_02baa2c033abb9f71ee6a0d7350bcc3b_elex_mimic_pay2key_wannacry
    • Size 2.2MB
    • SHA256 313a313498f5ee1f28935f55738a7e450cab3bd6275e3c686fd198ea9c20ce72
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    defense_evasiondiscoveryevasionexecutionmimicpersistenceransomware

    • Detects Mimic ransomware

    • Mimic

      Ransomware family was first exploited in the wild in 2022.

      ransomwaremimic

    • Mimic family

      mimic

    • Modifies boot configuration data using bcdedit

      ransomwareevasion

    • Renames multiple (5867) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

      ransomware

    • Deletes System State backups

      Uses wbadmin.exe to inhibit system recovery.

      ransomware

    • Event Triggered Execution: Image File Execution Options Injection

      persistence

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

      persistence

    • Adds Run key to start application

      persistence

    • Enumerates connected drives

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

    • Power Settings

      powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.

      persistence
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2
T1059

PowerShell

1
T1059.001

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Event Triggered Execution

2
T1546

Change Default File Association

1
T1546.001

Image File Execution Options Injection

1
T1546.012

Power Settings

1
T1653

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Event Triggered Execution

2
T1546

Change Default File Association

1
T1546.001

Image File Execution Options Injection

1
T1546.012

Defense Evasion

Indicator Removal

1
T1070

File Deletion

1
T1070.004

Modify Registry

3
T1112

Credential Access

Discovery

Peripheral Device Discovery

2
T1120

Query Registry

4
T1012

System Information Discovery

4
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

2
T1490

Tasks