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Overview

overview

10

Static

static

3

17b33dcdde...dd.exe

windows7-x64

10

17b33dcdde...dd.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    17b33dcdde306525f9dd0bce6b1b88dd

  • Size

    484KB

  • Sample

    231225-mnrspsgec9

  • MD5

    17b33dcdde306525f9dd0bce6b1b88dd

  • SHA1

    d26781a26a1fd95cd6f59b4a1da7983062175695

  • SHA256

    59f828a2ac3c9211c1f4108053106b4747fd0f5beec37480ac500beb1f213c62

  • SHA512

    cb9374d93f274aa6eac44b7243473e0791ff942776aae5fcd4aa6aea6ba1b1ca1b0a3724ade7c0619ce191c79da975e558b3f1077b38afcbbc0ee583e73f7462

  • SSDEEP

    12288:twZYOWYidkkN4mSDGHfL+ewv3dkZ54Med6rjNJ:yYOWF3GAwdkZbU6nNJ

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      17b33dcdde306525f9dd0bce6b1b88dd

    • Size

      484KB

    • MD5

      17b33dcdde306525f9dd0bce6b1b88dd

    • SHA1

      d26781a26a1fd95cd6f59b4a1da7983062175695

    • SHA256

      59f828a2ac3c9211c1f4108053106b4747fd0f5beec37480ac500beb1f213c62

    • SHA512

      cb9374d93f274aa6eac44b7243473e0791ff942776aae5fcd4aa6aea6ba1b1ca1b0a3724ade7c0619ce191c79da975e558b3f1077b38afcbbc0ee583e73f7462

    • SSDEEP

      12288:twZYOWYidkkN4mSDGHfL+ewv3dkZ54Med6rjNJ:yYOWF3GAwdkZbU6nNJ

    Score
    10/10
    evasionpersistencespywarestealertrojanransomware

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (56) files with added filename extension

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

      ransomware

    • Checks computer location settings

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

    • Deletes itself

    • 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.

      spywarestealer

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      evasiontrojan

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Modify Registry

5
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Tasks