Overview

overview

10

Static

static

3

8fce7d4fb9...d2.exe

windows7-x64

10

8fce7d4fb9...d2.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    8fce7d4fb9b91fa40035c489f04b0d7c8f364364b15c83f8b1232099093310d2

  • Size

    267KB

  • Sample

    240522-dk52gsac46

  • MD5

    4995d708a40b57ecc99456d2a01ee7e8

  • SHA1

    81d60f464346cf33fe397ed9ae3d8b34274c75e8

  • SHA256

    8fce7d4fb9b91fa40035c489f04b0d7c8f364364b15c83f8b1232099093310d2

  • SHA512

    21c9909ba9c1bc88b66cc2901196a13789a93a1593449d8fbbc1d1cb525c677101be8f9024bbf73c0e25592ac2670016fab65967fac988a4ffa1168c06fcd111

  • SSDEEP

    3072:qBOQb38+I0i8uZ+3PXSlPfQ0pxuHsT0T93XwutXcyvIttfa+mgT7Db7KwPYbmb7X:SdoKpFCQLp3Au7gp/7LPYb4

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      8fce7d4fb9b91fa40035c489f04b0d7c8f364364b15c83f8b1232099093310d2

    • Size

      267KB

    • MD5

      4995d708a40b57ecc99456d2a01ee7e8

    • SHA1

      81d60f464346cf33fe397ed9ae3d8b34274c75e8

    • SHA256

      8fce7d4fb9b91fa40035c489f04b0d7c8f364364b15c83f8b1232099093310d2

    • SHA512

      21c9909ba9c1bc88b66cc2901196a13789a93a1593449d8fbbc1d1cb525c677101be8f9024bbf73c0e25592ac2670016fab65967fac988a4ffa1168c06fcd111

    • SSDEEP

      3072:qBOQb38+I0i8uZ+3PXSlPfQ0pxuHsT0T93XwutXcyvIttfa+mgT7Db7KwPYbmb7X:SdoKpFCQLp3Au7gp/7LPYb4

    Score
    10/10
    evasionpersistenceransomwarespywarestealertrojan

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (61) 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
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

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

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

Modify Registry

4
T1112

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks