Overview

overview

10

Static

static

3

62e62b7558...bN.exe

windows7-x64

10

62e62b7558...bN.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    62e62b7558a8ca899e0f8ea5f1511ec08b6a2878ddbf4dd0b9882235da65714bN

  • Size

    192KB

  • Sample

    240920-pcvrbsvhle

  • MD5

    31d88bc15d568cd04b42575f8d565cf0

  • SHA1

    5ebf07395e9f21dcf32aa059b8aee9019e6ee6b4

  • SHA256

    62e62b7558a8ca899e0f8ea5f1511ec08b6a2878ddbf4dd0b9882235da65714b

  • SHA512

    538984fba22e1f4b251ae8dcf6c270a370576b6a95fe5ba5e1f3eb15b6d8d5fc9fb71c0e58f367ea317fc91c08ee3e16e919bad30ae1f14cd50e1ab07e14182c

  • SSDEEP

    6144:znCWaotHznBRA/MoGxX5hhfq4/c2oGdmclM:TCGy4/cBGdVlM

Score
10/10
discoveryevasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      62e62b7558a8ca899e0f8ea5f1511ec08b6a2878ddbf4dd0b9882235da65714bN

    • Size

      192KB

    • MD5

      31d88bc15d568cd04b42575f8d565cf0

    • SHA1

      5ebf07395e9f21dcf32aa059b8aee9019e6ee6b4

    • SHA256

      62e62b7558a8ca899e0f8ea5f1511ec08b6a2878ddbf4dd0b9882235da65714b

    • SHA512

      538984fba22e1f4b251ae8dcf6c270a370576b6a95fe5ba5e1f3eb15b6d8d5fc9fb71c0e58f367ea317fc91c08ee3e16e919bad30ae1f14cd50e1ab07e14182c

    • SSDEEP

      6144:znCWaotHznBRA/MoGxX5hhfq4/c2oGdmclM:TCGy4/cBGdVlM

    Score
    10/10
    discoveryevasionpersistencespywarestealertrojanransomware

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (77) 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

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