Overview

overview

9

Static

static

3e3c6f0548...45.exe

windows7-x64

9

3e3c6f0548...45.exe

windows10-2004-x64

9

Sharing

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General

  • Target

    3e3c6f05488fe69bf03ba727e4d70420a8386b8607e2b0108fc03c36bc730b45

  • Size

    184KB

  • Sample

    221128-g4ns4abh96

  • MD5

    aa9ac393da242ac8b0dc85ee24d667b1

  • SHA1

    f85621566b73d89b08c3b9d5710a0410c97e3996

  • SHA256

    3e3c6f05488fe69bf03ba727e4d70420a8386b8607e2b0108fc03c36bc730b45

  • SHA512

    dc450d72a8421fb7221dc47ba4f1778391a518e1d6486f59a961b82546cde368718694ceac883b0ce8e4a138e3523deed3d3e748cf1c863ca9f2448d8c7f3241

  • SSDEEP

    3072:RRXtJcha6e+zjVD7e/8l9/8JNX5UukzbyBll48dBPEuDbvRCLn2O:XV6egHe0l9+FQ/yBw8dBDDb62O

Score
9/10
persistenceransomwarespywarestealer

Malware Config

Targets

    • Target

      3e3c6f05488fe69bf03ba727e4d70420a8386b8607e2b0108fc03c36bc730b45

    • Size

      184KB

    • MD5

      aa9ac393da242ac8b0dc85ee24d667b1

    • SHA1

      f85621566b73d89b08c3b9d5710a0410c97e3996

    • SHA256

      3e3c6f05488fe69bf03ba727e4d70420a8386b8607e2b0108fc03c36bc730b45

    • SHA512

      dc450d72a8421fb7221dc47ba4f1778391a518e1d6486f59a961b82546cde368718694ceac883b0ce8e4a138e3523deed3d3e748cf1c863ca9f2448d8c7f3241

    • SSDEEP

      3072:RRXtJcha6e+zjVD7e/8l9/8JNX5UukzbyBll48dBPEuDbvRCLn2O:XV6egHe0l9+FQ/yBw8dBDDb62O

    Score
    9/10
    persistenceransomwarespywarestealer

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomware

    • Executes dropped EXE

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

      ransomware

    • Checks computer location settings

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

    • Deletes itself

    • 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

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Sets desktop wallpaper using registry

      ransomware

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

File Deletion

2
T1107

Modify Registry

2
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Inhibit System Recovery

2
T1490

Defacement

1
T1491

Tasks