Overview

overview

10

Static

static

a8e360e74d...9e.exe

windows7_x64

10

a8e360e74d...9e.exe

windows10_x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    a8e360e74dc11c1386e9f07f24173526b05ba1d837406a8908992e1f3b30589e

  • Size

    1.3MB

  • Sample

    210511-k4f7lfak72

  • MD5

    ba32aa4b7aecc456c2ed45be80ee85d8

  • SHA1

    bf86407e3102b720d7c1106bc5e2a2efee30c00d

  • SHA256

    a8e360e74dc11c1386e9f07f24173526b05ba1d837406a8908992e1f3b30589e

  • SHA512

    0c87bc43ce34983b7c20f7a080199cdbe77c1d04dbd30a9eac76b14c8f69e7d0081b1998b880f4c9dce37a1e6c05e9248edff14fafff1da4c5a3b17594a5e1c4

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      a8e360e74dc11c1386e9f07f24173526b05ba1d837406a8908992e1f3b30589e

    • Size

      1.3MB

    • MD5

      ba32aa4b7aecc456c2ed45be80ee85d8

    • SHA1

      bf86407e3102b720d7c1106bc5e2a2efee30c00d

    • SHA256

      a8e360e74dc11c1386e9f07f24173526b05ba1d837406a8908992e1f3b30589e

    • SHA512

      0c87bc43ce34983b7c20f7a080199cdbe77c1d04dbd30a9eac76b14c8f69e7d0081b1998b880f4c9dce37a1e6c05e9248edff14fafff1da4c5a3b17594a5e1c4

    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