Overview

overview

10

Static

static

57a23c1f46...6b.vbs

windows7-x64

10

57a23c1f46...6b.vbs

windows10-2004-x64

10

Sharing

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General

  • Target

    57a23c1f468920c8ec393ad8e029d906fb1c8dcf26a83fde132a8919b35cd06b

  • Size

    181KB

  • Sample

    221019-sqsqnsdgdj

  • MD5

    91f6b90fc19be94b62bb3ec2ff60fc30

  • SHA1

    ed92e88998bf8ed11994291fbdcdebf7272249fa

  • SHA256

    57a23c1f468920c8ec393ad8e029d906fb1c8dcf26a83fde132a8919b35cd06b

  • SHA512

    ac874cbc96dcda332b4bc87b2bde9d81c67300e4aaa6315da45016ac5ff45c40505c98c44311f9ef8c1cbed11d58ac29e34b3d0652a19266348f6715ea8104fc

  • SSDEEP

    1536:bTRRRRRRRRRRRRRRRRRRRRRRRVjxxxxxxxxxxxxxxxxx96df:bD6F

Score
10/10
discoveryevasionexploitpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      57a23c1f468920c8ec393ad8e029d906fb1c8dcf26a83fde132a8919b35cd06b

    • Size

      181KB

    • MD5

      91f6b90fc19be94b62bb3ec2ff60fc30

    • SHA1

      ed92e88998bf8ed11994291fbdcdebf7272249fa

    • SHA256

      57a23c1f468920c8ec393ad8e029d906fb1c8dcf26a83fde132a8919b35cd06b

    • SHA512

      ac874cbc96dcda332b4bc87b2bde9d81c67300e4aaa6315da45016ac5ff45c40505c98c44311f9ef8c1cbed11d58ac29e34b3d0652a19266348f6715ea8104fc

    • SSDEEP

      1536:bTRRRRRRRRRRRRRRRRRRRRRRRVjxxxxxxxxxxxxxxxxx96df:bD6F

    Score
    10/10
    discoveryevasionexploitpersistenceransomwarespywarestealertrojan

    • Modifies visiblity of hidden/system files in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomware

    • Grants admin privileges

      Uses net.exe to modify the user's privileges.

    • Adds policy Run key to start application

      persistence

    • Disables RegEdit via registry modification

      evasion

    • Disables Task Manager via registry modification

      evasion

    • Executes dropped EXE

    • Modifies Windows Firewall

      evasion

    • Possible privilege escalation attempt

      exploit

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      evasion

    • Checks computer location settings

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

    • Deletes itself

    • Drops startup file

    • Loads dropped DLL

    • Modifies file permissions

      discovery

    • 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
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Hidden Files and Directories

3
T1158

Account Manipulation

1
T1098

Registry Run Keys / Startup Folder

1
T1060

Modify Existing Service

1
T1031

Privilege Escalation

Bypass User Account Control

1
T1088

Defense Evasion

Hidden Files and Directories

3
T1158

Modify Registry

5
T1112

Bypass User Account Control

1
T1088

Disabling Security Tools

1
T1089

File Deletion

2
T1107

File Permissions Modification

1
T1222

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

Inhibit System Recovery

2
T1490

Tasks