Overview

overview

10

Static

static

3

581799237e...7a.exe

windows7-x64

10

581799237e...7a.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    581799237e8f5c3cecfedfb6b8aaeb7a

  • Size

    484KB

  • Sample

    231226-glht5acdbr

  • MD5

    581799237e8f5c3cecfedfb6b8aaeb7a

  • SHA1

    2964ab933b7bf2c7a04ce2fcbc4b7820431c699a

  • SHA256

    559741c9738226c2573fa4188a1a465563926b28d885f80e6507fee91bde626e

  • SHA512

    aeb02472d44741ae40bd0bbb0b54525c76ec54a9d49813684adf1dde60b80d5c9c0214230d5f722761ca1ad0425ba967190fa5c23b520a189a63f617bd40928f

  • SSDEEP

    6144:byEjM5jcA3YDMThyH4JXkUGzekBdxacADVsS3dT/Y5sYl2i69h88HoihJEmYQUmv:byEjMvIIBtYLdsDVVJqkJbrvh/+g

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      581799237e8f5c3cecfedfb6b8aaeb7a

    • Size

      484KB

    • MD5

      581799237e8f5c3cecfedfb6b8aaeb7a

    • SHA1

      2964ab933b7bf2c7a04ce2fcbc4b7820431c699a

    • SHA256

      559741c9738226c2573fa4188a1a465563926b28d885f80e6507fee91bde626e

    • SHA512

      aeb02472d44741ae40bd0bbb0b54525c76ec54a9d49813684adf1dde60b80d5c9c0214230d5f722761ca1ad0425ba967190fa5c23b520a189a63f617bd40928f

    • SSDEEP

      6144:byEjM5jcA3YDMThyH4JXkUGzekBdxacADVsS3dT/Y5sYl2i69h88HoihJEmYQUmv:byEjMvIIBtYLdsDVVJqkJbrvh/+g

    Score
    10/10
    evasionpersistencespywarestealertrojanransomware

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (51) 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.

    • 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

    • Checks whether UAC is enabled

      evasiontrojan

    • 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

5
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Tasks