Overview

overview

10

Static

static

5aa41ad255...96.exe

windows7_x64

10

5aa41ad255...96.exe

windows10_x64

10

Sharing

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General

  • Target

    5aa41ad255b734cfb16c0de9c1cf6408f93f707ff315a61e2dea4fc1f7839296

  • Size

    748KB

  • Sample

    210511-fys844s3xe

  • MD5

    e519f003d5410ef4f414ae0126c6d0bb

  • SHA1

    8975d4518af84e4010900ea9cba288e541918392

  • SHA256

    5aa41ad255b734cfb16c0de9c1cf6408f93f707ff315a61e2dea4fc1f7839296

  • SHA512

    6735c26fe7b3f3735ad047fc67b5a7ea96ae77149a5db0a8ecc694c9e6a363004297e7907d427fbdd8886f4d1dc000b95bf9d8d3a7e8c193e8bd4352a4e4601d

Score
10/10
evasionpersistencespywarestealertrojan

Malware Config

Targets

    • Target

      5aa41ad255b734cfb16c0de9c1cf6408f93f707ff315a61e2dea4fc1f7839296

    • Size

      748KB

    • MD5

      e519f003d5410ef4f414ae0126c6d0bb

    • SHA1

      8975d4518af84e4010900ea9cba288e541918392

    • SHA256

      5aa41ad255b734cfb16c0de9c1cf6408f93f707ff315a61e2dea4fc1f7839296

    • SHA512

      6735c26fe7b3f3735ad047fc67b5a7ea96ae77149a5db0a8ecc694c9e6a363004297e7907d427fbdd8886f4d1dc000b95bf9d8d3a7e8c193e8bd4352a4e4601d

    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