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Overview

overview

10

Static

static

3

b2935113c3...dN.exe

windows7-x64

10

b2935113c3...dN.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    b2935113c3d46f449bab669529cff5d1139c4c6feaa68b13db254295da8cef4dN

  • Size

    4.3MB

  • Sample

    241017-w73trayfqe

  • MD5

    5ce75f67cca52efab0ca5b392f5f1f30

  • SHA1

    ecebb896498d119bd0939fb865430fbb09f57e9b

  • SHA256

    b2935113c3d46f449bab669529cff5d1139c4c6feaa68b13db254295da8cef4d

  • SHA512

    e6d19e23f1a8b51fc2f218c6882ff5ec5f624fd18ee4eb2c094ba65901c3b3e68700134ffe74d96a3713ded2000957cabc22c6fb5595d2cd7fce18f08973d933

  • SSDEEP

    98304:62Zp7E72G3WhljEY2MFk/cBLQKU8Yin/iuLzJQrl:9H7EiG3WhR2MEcGKLYinDLzJEl

Score
10/10
discoveryevasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      b2935113c3d46f449bab669529cff5d1139c4c6feaa68b13db254295da8cef4dN

    • Size

      4.3MB

    • MD5

      5ce75f67cca52efab0ca5b392f5f1f30

    • SHA1

      ecebb896498d119bd0939fb865430fbb09f57e9b

    • SHA256

      b2935113c3d46f449bab669529cff5d1139c4c6feaa68b13db254295da8cef4d

    • SHA512

      e6d19e23f1a8b51fc2f218c6882ff5ec5f624fd18ee4eb2c094ba65901c3b3e68700134ffe74d96a3713ded2000957cabc22c6fb5595d2cd7fce18f08973d933

    • SSDEEP

      98304:62Zp7E72G3WhljEY2MFk/cBLQKU8Yin/iuLzJQrl:9H7EiG3WhR2MEcGKLYinDLzJEl

    Score
    10/10
    discoveryevasionpersistenceransomwarespywarestealertrojan

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (74) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

      ransomware

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Deletes itself

    • Executes dropped EXE

    • 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 Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Modify Registry

4
T1112

Credential Access

Credentials from Password Stores

1
T1555

Credentials from Web Browsers

1
T1555.003

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Tasks