Overview

overview

10

Static

static

4b6d0eb29b...68.exe

windows7_x64

10

4b6d0eb29b...68.exe

windows10_x64

10

Sharing

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General

  • Target

    4b6d0eb29b88e852e886d24f3acd15458c3d08b379abb2d6ca072113211abe68

  • Size

    628KB

  • Sample

    210511-jbqj4hng1a

  • MD5

    ff8a188a060c4a799ec59a29ff1d0350

  • SHA1

    300f3f3a448069f850de6ce4a9ecc7dea6b070d4

  • SHA256

    4b6d0eb29b88e852e886d24f3acd15458c3d08b379abb2d6ca072113211abe68

  • SHA512

    41f0098d0d4cfd49dbec8032ff586b7664475cb6bac42ceea4e4c17384ab4282f40f194510438ff1597bec8bf1b7d1c364e75c5a11fd545143801454c2e1b081

Score
10/10
evasionpersistencespywarestealertrojan

Malware Config

Targets

    • Target

      4b6d0eb29b88e852e886d24f3acd15458c3d08b379abb2d6ca072113211abe68

    • Size

      628KB

    • MD5

      ff8a188a060c4a799ec59a29ff1d0350

    • SHA1

      300f3f3a448069f850de6ce4a9ecc7dea6b070d4

    • SHA256

      4b6d0eb29b88e852e886d24f3acd15458c3d08b379abb2d6ca072113211abe68

    • SHA512

      41f0098d0d4cfd49dbec8032ff586b7664475cb6bac42ceea4e4c17384ab4282f40f194510438ff1597bec8bf1b7d1c364e75c5a11fd545143801454c2e1b081

    Score
    10/10
    evasionpersistencespywarestealertrojan

    • Modifies WinLogon for persistence

      persistence

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Executes dropped EXE

    • 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