Overview

overview

10

Static

static

d9ac8cb2ca...42.exe

windows7_x64

10

d9ac8cb2ca...42.exe

windows10_x64

10

Sharing

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General

  • Target

    d9ac8cb2cac5a0eb7a96d928cb3c384c747813eed62e5acbcc58989341d4b742

  • Size

    1.6MB

  • Sample

    210511-e45j77qmzn

  • MD5

    2b8c9b2b7c5a2700f69abaaaae527c40

  • SHA1

    fa0deb5fb3a10c75538edf79a79aeff532ed7bc5

  • SHA256

    d9ac8cb2cac5a0eb7a96d928cb3c384c747813eed62e5acbcc58989341d4b742

  • SHA512

    310acbe057d2efe25265712b3a60db46ea32a68775b3857e712dccf2cd89afe3df78e7b90a123de262927a09a8d2f28a17f590be7ed658e0487851c2eda3421b

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      d9ac8cb2cac5a0eb7a96d928cb3c384c747813eed62e5acbcc58989341d4b742

    • Size

      1.6MB

    • MD5

      2b8c9b2b7c5a2700f69abaaaae527c40

    • SHA1

      fa0deb5fb3a10c75538edf79a79aeff532ed7bc5

    • SHA256

      d9ac8cb2cac5a0eb7a96d928cb3c384c747813eed62e5acbcc58989341d4b742

    • SHA512

      310acbe057d2efe25265712b3a60db46ea32a68775b3857e712dccf2cd89afe3df78e7b90a123de262927a09a8d2f28a17f590be7ed658e0487851c2eda3421b

    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