Overview

overview

9

Static

static

install.exe

windows7_x64

9

install.exe

windows10_x64

9

Sharing

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General

  • Target

    install.exe

  • Size

    10.6MB

  • Sample

    210703-d5n9xg9972

  • MD5

    1f3b0e841b0a21df370d0e2f594cad89

  • SHA1

    d51bbbe7727da807b56ee4a2524b936001df0882

  • SHA256

    504ff4e37ac526cdb49cca15b1b769cf152889ba32fe9440e16974505d885130

  • SHA512

    a583f942d2ceadd879b9b830d725e9225137b9ce1d5139d61e6e72bb6a41b4d3877bb4fce1d278b47c180e22b207a50fe14bd2747e603d3c3d9f4d96fde089ba

Score
9/10
discoveryevasionpyinstallerspywarestealerupx

Malware Config

Targets

    • Target

      install.exe

    • Size

      10.6MB

    • MD5

      1f3b0e841b0a21df370d0e2f594cad89

    • SHA1

      d51bbbe7727da807b56ee4a2524b936001df0882

    • SHA256

      504ff4e37ac526cdb49cca15b1b769cf152889ba32fe9440e16974505d885130

    • SHA512

      a583f942d2ceadd879b9b830d725e9225137b9ce1d5139d61e6e72bb6a41b4d3877bb4fce1d278b47c180e22b207a50fe14bd2747e603d3c3d9f4d96fde089ba

    Score
    9/10
    discoveryspywarestealerupxevasionpyinstaller

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • Blocklisted process makes network request

    • Executes dropped EXE

    • Modifies Windows Firewall

      evasion

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Drops startup file

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

1
T1031

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

3
T1012

Peripheral Device Discovery

2
T1120

System Information Discovery

3
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Tasks