Overview

overview

10

Static

static

e32987df25...5f.exe

windows7_x64

10

e32987df25...5f.exe

windows10_x64

10

Sharing

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General

  • Target

    e32987df25ef2c0a10744ff53d950260b82137b5758d426191b4e8c0f0685b5f

  • Size

    656KB

  • Sample

    210511-d12a87v256

  • MD5

    7bdfb0bc09665d2a8f1fa3950acd16a7

  • SHA1

    03fefa06867106d052934fdd5d8752b9298d90df

  • SHA256

    e32987df25ef2c0a10744ff53d950260b82137b5758d426191b4e8c0f0685b5f

  • SHA512

    fac1c67bfd41c04a8798d30450d4ce481193fcd31ec749cd3b5a25d0daa860b290b55e29aec7ee1933593dd75e96a7f9b113c3bfcc5f3da10c24a0ddb2246a9f

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      e32987df25ef2c0a10744ff53d950260b82137b5758d426191b4e8c0f0685b5f

    • Size

      656KB

    • MD5

      7bdfb0bc09665d2a8f1fa3950acd16a7

    • SHA1

      03fefa06867106d052934fdd5d8752b9298d90df

    • SHA256

      e32987df25ef2c0a10744ff53d950260b82137b5758d426191b4e8c0f0685b5f

    • SHA512

      fac1c67bfd41c04a8798d30450d4ce481193fcd31ec749cd3b5a25d0daa860b290b55e29aec7ee1933593dd75e96a7f9b113c3bfcc5f3da10c24a0ddb2246a9f

    Score
    10/10
    evasionpersistenceransomwarespywarestealertrojan

    • Modifies WinLogon for persistence

      persistence

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Executes dropped EXE

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

      ransomware

    • Checks computer location settings

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

    • Deletes itself

    • 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 Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Hidden Files and Directories

1
T1158

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Bypass User Account Control

1
T1088

Defense Evasion

Modify Registry

6
T1112

Hidden Files and Directories

1
T1158

Bypass User Account Control

1
T1088

Disabling Security Tools

1
T1089

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Tasks