Overview

overview

10

Static

static

de0a8f64_b...is.exe

windows7_x64

10

de0a8f64_b...is.exe

windows10_x64

10

Sharing

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General

  • Target

    de0a8f64_by_Libranalysis

  • Size

    751KB

  • Sample

    210505-9xlpk2akbj

  • MD5

    de0a8f647d8b301ed9e1f10ea6acfef2

  • SHA1

    a6ef05c57502824225fb38adb0ac92641d9432f7

  • SHA256

    46d531ff943b82a82f732920b0026ad5cd2a8820c4569bb5d8150fd243a8dcc8

  • SHA512

    4a6ef8cbd349a81a780de46c8c2b3883a26c3a10e50b992eb5138f9c5a7a307c6806d775f0a9401768f98abe7d618a6a69640a5ba1ebb8129d8a6105cd629fb3

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      de0a8f64_by_Libranalysis

    • Size

      751KB

    • MD5

      de0a8f647d8b301ed9e1f10ea6acfef2

    • SHA1

      a6ef05c57502824225fb38adb0ac92641d9432f7

    • SHA256

      46d531ff943b82a82f732920b0026ad5cd2a8820c4569bb5d8150fd243a8dcc8

    • SHA512

      4a6ef8cbd349a81a780de46c8c2b3883a26c3a10e50b992eb5138f9c5a7a307c6806d775f0a9401768f98abe7d618a6a69640a5ba1ebb8129d8a6105cd629fb3

    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