Overview

overview

10

Static

static

10

a25c022772...in.exe

windows7_x64

10

a25c022772...in.exe

windows10_x64

10

Sharing

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General

  • Target

    a25c0227728878c386ab6dba139976cb10e853dd3cd1eb3623f236ee8e1df212.bin

  • Size

    678KB

  • Sample

    210808-a8pm3k2lja

  • MD5

    ff1b2e9d3e7af50b302b090a15d15c76

  • SHA1

    3bae4caa7c4ecca659aec342472fe49b3c0b2131

  • SHA256

    a25c0227728878c386ab6dba139976cb10e853dd3cd1eb3623f236ee8e1df212

  • SHA512

    d3527aa4e7d4a8fbd0565ea8c0d26dc7e9ff0f294efa5260b9e964e5943782eb697b964cb684ad9008a717b93cfd120ec1337acb0ecbefef0931313f7b88e881

Score
10/10
medusalockerevasionransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      a25c0227728878c386ab6dba139976cb10e853dd3cd1eb3623f236ee8e1df212.bin

    • Size

      678KB

    • MD5

      ff1b2e9d3e7af50b302b090a15d15c76

    • SHA1

      3bae4caa7c4ecca659aec342472fe49b3c0b2131

    • SHA256

      a25c0227728878c386ab6dba139976cb10e853dd3cd1eb3623f236ee8e1df212

    • SHA512

      d3527aa4e7d4a8fbd0565ea8c0d26dc7e9ff0f294efa5260b9e964e5943782eb697b964cb684ad9008a717b93cfd120ec1337acb0ecbefef0931313f7b88e881

    Score
    10/10
    medusalockerevasionransomwarespywarestealertrojan

    • MedusaLocker

      Ransomware with several variants first seen in September 2019.

      ransomwaremedusalocker

    • MedusaLocker Payload

    • UAC bypass

      evasiontrojan

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomware

    • Executes dropped EXE

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

      ransomware

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Checks whether UAC is enabled

      evasiontrojan

    • Drops desktop.ini file(s)

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Bypass User Account Control

1
T1088

Defense Evasion

Bypass User Account Control

1
T1088

Disabling Security Tools

1
T1089

Modify Registry

2
T1112

File Deletion

2
T1107

Credential Access

Credentials in Files

1
T1081

Discovery

System Information Discovery

3
T1082

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Inhibit System Recovery

2
T1490

Tasks