Overview

overview

10

Static

static

3

38f276b5ca...0N.exe

windows7-x64

10

38f276b5ca...0N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    38f276b5ca411df72ddf7bc6f303c120N.exe

  • Size

    118KB

  • Sample

    240724-cn9neawale

  • MD5

    38f276b5ca411df72ddf7bc6f303c120

  • SHA1

    fbc45024a0d41c69f62fd53253815bf9264f1cd6

  • SHA256

    8e4d2c4be1c642e4bb64f35ff8610164fdc85b9105a32354e480d21a507cea45

  • SHA512

    37a40536a9c8d78537fce25028d790530fd986fd51fc09d1e16ed0fb316006912b7a0d6639c891df4a0ab764a3d14221b2e0c865ac55e6d9d4a2fcca30ced80a

  • SSDEEP

    1536:LWIJ8SNyYeWojOEjnbpOXOd9kfahbsZp3zYiL0X1J3UHLxC9oTymgHsmA:iDUyRWIgXyefwbsZ5UiL0lqHdVymb

Score
10/10
discoveryevasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      38f276b5ca411df72ddf7bc6f303c120N.exe

    • Size

      118KB

    • MD5

      38f276b5ca411df72ddf7bc6f303c120

    • SHA1

      fbc45024a0d41c69f62fd53253815bf9264f1cd6

    • SHA256

      8e4d2c4be1c642e4bb64f35ff8610164fdc85b9105a32354e480d21a507cea45

    • SHA512

      37a40536a9c8d78537fce25028d790530fd986fd51fc09d1e16ed0fb316006912b7a0d6639c891df4a0ab764a3d14221b2e0c865ac55e6d9d4a2fcca30ced80a

    • SSDEEP

      1536:LWIJ8SNyYeWojOEjnbpOXOd9kfahbsZp3zYiL0X1J3UHLxC9oTymgHsmA:iDUyRWIgXyefwbsZ5UiL0lqHdVymb

    Score
    10/10
    discoveryevasionpersistencespywarestealertrojanransomware

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (78) 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

    • 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

4
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Tasks