Overview

overview

10

Static

static

0b08b24c79...aa.exe

windows7_x64

10

0b08b24c79...aa.exe

windows10_x64

10

Sharing

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General

  • Target

    0b08b24c79c236def8b07729e432bdcefc507fb46d40b3d5c8cbddc09051ceaa

  • Size

    751KB

  • Sample

    210511-e963bsx6ze

  • MD5

    b8f319081644d1a1f109e5f5ae3a185e

  • SHA1

    1ea8b019194f4cc79f9e605e4bae61c0810525bb

  • SHA256

    0b08b24c79c236def8b07729e432bdcefc507fb46d40b3d5c8cbddc09051ceaa

  • SHA512

    3c69015f57bf00eb57579107d221a4356c3049cffb616388133e89806ab3c96e3140da323bdcd4ba2d95e57b58872f45076b1837869e926e934d0f03ffa110b2

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      0b08b24c79c236def8b07729e432bdcefc507fb46d40b3d5c8cbddc09051ceaa

    • Size

      751KB

    • MD5

      b8f319081644d1a1f109e5f5ae3a185e

    • SHA1

      1ea8b019194f4cc79f9e605e4bae61c0810525bb

    • SHA256

      0b08b24c79c236def8b07729e432bdcefc507fb46d40b3d5c8cbddc09051ceaa

    • SHA512

      3c69015f57bf00eb57579107d221a4356c3049cffb616388133e89806ab3c96e3140da323bdcd4ba2d95e57b58872f45076b1837869e926e934d0f03ffa110b2

    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