Overview

overview

10

Static

static

ce41817b_b...is.exe

windows7_x64

10

ce41817b_b...is.exe

windows10_x64

10

Sharing

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General

  • Target

    ce41817b_by_Libranalysis

  • Size

    748KB

  • Sample

    210505-jjcjhyaacj

  • MD5

    ce41817bddaf26b6fb165fb9b7ee2fb8

  • SHA1

    99917714610f01559faf649a0b9f6a02da885f72

  • SHA256

    1fe21db20056df5650ebf0a4eb4cbc375a546d3abfab1536cfb90afc692d00cf

  • SHA512

    5738e2d7d5b43ffe567ab2f163067b6f6259a29e2bb20353b2744a1b46932e131d91ef2e7a6cf8c269d77c5c0d692400e7bf93d53dea9230cedb25a8a418e8db

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      ce41817b_by_Libranalysis

    • Size

      748KB

    • MD5

      ce41817bddaf26b6fb165fb9b7ee2fb8

    • SHA1

      99917714610f01559faf649a0b9f6a02da885f72

    • SHA256

      1fe21db20056df5650ebf0a4eb4cbc375a546d3abfab1536cfb90afc692d00cf

    • SHA512

      5738e2d7d5b43ffe567ab2f163067b6f6259a29e2bb20353b2744a1b46932e131d91ef2e7a6cf8c269d77c5c0d692400e7bf93d53dea9230cedb25a8a418e8db

    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.

    • 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 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

5
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

2
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Tasks