Overview

overview

10

Static

static

700f606d_b...is.exe

windows7_x64

10

700f606d_b...is.exe

windows10_x64

10

Sharing

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General

  • Target

    700f606d_by_Libranalysis

  • Size

    1020KB

  • Sample

    210505-tmz54mrnge

  • MD5

    700f606d223f6fce9d75968e1e22a88d

  • SHA1

    30656d2bb3de1d60c69b6e7e3af3e57a907f1df8

  • SHA256

    580cc1785e0f4364445083a13c891c88b1122350dec3c5c7f25c609eec123175

  • SHA512

    fed79b0fefd77259b1a504cbb7088bbaa2eb3518f3775a5fbf9fb1c0857d0c13376e94fbf35994583a9eaa667b2a21b49eccedbb97eea177ed4ccfee94400f66

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      700f606d_by_Libranalysis

    • Size

      1020KB

    • MD5

      700f606d223f6fce9d75968e1e22a88d

    • SHA1

      30656d2bb3de1d60c69b6e7e3af3e57a907f1df8

    • SHA256

      580cc1785e0f4364445083a13c891c88b1122350dec3c5c7f25c609eec123175

    • SHA512

      fed79b0fefd77259b1a504cbb7088bbaa2eb3518f3775a5fbf9fb1c0857d0c13376e94fbf35994583a9eaa667b2a21b49eccedbb97eea177ed4ccfee94400f66

    Score
    10/10
    evasionpersistenceransomwarespywarestealertrojan

    • Modifies WinLogon for persistence

      persistence

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • 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.

    • 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 Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Hidden Files and Directories

1
T1158

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Bypass User Account Control

1
T1088

Defense Evasion

Modify Registry

5
T1112

Hidden Files and Directories

1
T1158

Bypass User Account Control

1
T1088

Disabling Security Tools

1
T1089

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

Tasks