Overview

overview

10

Static

static

63c86f42_b...is.exe

windows7_x64

10

63c86f42_b...is.exe

windows10_x64

10

Sharing

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General

  • Target

    63c86f42_by_Libranalysis

  • Size

    623KB

  • Sample

    210505-chhfeqslya

  • MD5

    63c86f423bfd4c8ec8eca788d5993d49

  • SHA1

    b8b4429b23bcb393ec42054f01d0461b6349eb5e

  • SHA256

    e9cc92d699553fd65fe860de07160ff0e649e8d4d18a21d6e6b43fddcefaa5c4

  • SHA512

    6b391072f3a32f5f45dd749a6b53d20d9ca9de9476acd42a970fa915d8eeff31c4d2ee57926032d9e8613552f1b2e83cf24914bf565792a20e6b318db22dd9fa

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      63c86f42_by_Libranalysis

    • Size

      623KB

    • MD5

      63c86f423bfd4c8ec8eca788d5993d49

    • SHA1

      b8b4429b23bcb393ec42054f01d0461b6349eb5e

    • SHA256

      e9cc92d699553fd65fe860de07160ff0e649e8d4d18a21d6e6b43fddcefaa5c4

    • SHA512

      6b391072f3a32f5f45dd749a6b53d20d9ca9de9476acd42a970fa915d8eeff31c4d2ee57926032d9e8613552f1b2e83cf24914bf565792a20e6b318db22dd9fa

    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