Overview

overview

10

Static

static

gunzipped.exe

windows7_x64

10

gunzipped.exe

windows10_x64

10

Sharing

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General

  • Target

    gunzipped.exe

  • Size

    1.5MB

  • Sample

    210415-ykqbwa9cvj

  • MD5

    bde5cc055efbc8779784a94811e3e5a5

  • SHA1

    629afe08ffe9d3660e7fd3918122af70fa49a5fd

  • SHA256

    21d8f3869dae855f7ddb202eca9bc170074ab405c7741cbd4ffb48960494234f

  • SHA512

    bc5dc3ed61fa9d00866219395a8ef6cb64ef8b7ee2ad20034b5840d5a7d92816bac22f61175eed75ee039a929eb7184a90c3ee480346249a508768c9f6cf15ff

Score
10/10
xpertratsalesevasionpersistenceratspywarestealertrojanupx

Malware Config

Extracted

Family

xpertrat

Version

3.0.10

Botnet

sales

C2

79.134.225.117:5935

Mutex

V8V5U6A3-F774-P2N8-M6H6-L4M443J6G7A1

Targets

    • Target

      gunzipped.exe

    • Size

      1.5MB

    • MD5

      bde5cc055efbc8779784a94811e3e5a5

    • SHA1

      629afe08ffe9d3660e7fd3918122af70fa49a5fd

    • SHA256

      21d8f3869dae855f7ddb202eca9bc170074ab405c7741cbd4ffb48960494234f

    • SHA512

      bc5dc3ed61fa9d00866219395a8ef6cb64ef8b7ee2ad20034b5840d5a7d92816bac22f61175eed75ee039a929eb7184a90c3ee480346249a508768c9f6cf15ff

    Score
    10/10
    xpertratsalesevasionpersistenceratspywarestealertrojanupx

    • UAC bypass

      evasiontrojan

    • Windows security bypass

      evasiontrojan

    • XpertRAT

      XpertRAT is a remote access trojan with various capabilities.

      ratxpertrat

    • XpertRAT Core Payload

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • Adds policy Run key to start application

      persistence

    • UPX packed file

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

      upx

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Windows security modification

      evasiontrojan

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      evasiontrojan

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

2
T1060

Privilege Escalation

Bypass User Account Control

1
T1088

Defense Evasion

Bypass User Account Control

1
T1088

Disabling Security Tools

3
T1089

Modify Registry

6
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Tasks