Overview

overview

10

Static

static

3

LoaderAlka...at.exe

windows10-2004-x64

10

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General

  • Target

    LoaderAlkadRustCheat.exe

  • Size

    64.1MB

  • Sample

    240721-mbst8sybqh

  • MD5

    73ffcfac6161cd6c7a8b1d001a0aaaf4

  • SHA1

    be16bed3401bd838c4b85a47ae184d4a08a28fe3

  • SHA256

    aebdb5d4472f019df13190b233c6dd89050b7f473c0828c97c16f060e458b573

  • SHA512

    5d5677aeab8bdb9d908a7dafbd7424912cc3f28a2e90d2b39929aec8153a87820f67d13389c6d8cb2e2661735df74d1b7c4f27812e871555717f3922b195e4ca

  • SSDEEP

    786432:8yrqMu/IZ53ufBoglmM/zxhkAw7BwNLmf7CfuBqFiKKL+XNnwlHAsdwelhFVWQuO:NIWtgf7sAEZ7CHSi5s1DCQ6XEeO

Score
10/10
umbralxmrigexecutionminerpersistencespywarestealer

Malware Config

Targets

    • Target

      LoaderAlkadRustCheat.exe

    • Size

      64.1MB

    • MD5

      73ffcfac6161cd6c7a8b1d001a0aaaf4

    • SHA1

      be16bed3401bd838c4b85a47ae184d4a08a28fe3

    • SHA256

      aebdb5d4472f019df13190b233c6dd89050b7f473c0828c97c16f060e458b573

    • SHA512

      5d5677aeab8bdb9d908a7dafbd7424912cc3f28a2e90d2b39929aec8153a87820f67d13389c6d8cb2e2661735df74d1b7c4f27812e871555717f3922b195e4ca

    • SSDEEP

      786432:8yrqMu/IZ53ufBoglmM/zxhkAw7BwNLmf7CfuBqFiKKL+XNnwlHAsdwelhFVWQuO:NIWtgf7sAEZ7CHSi5s1DCQ6XEeO

    Score
    10/10
    umbralxmrigexecutionminerpersistencespywarestealer

    • Detect Umbral payload

    • Modifies WinLogon for persistence

      persistence

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Umbral

      Umbral stealer is an opensource moduler stealer written in C#.

      stealerumbral

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

      minerxmrig

    • XMRig Miner payload

      miner

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

      execution

    • Drops file in Drivers directory

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • 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

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

Modify Registry

2
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

2
T1012

Remote System Discovery

1
T1018

System Information Discovery

3
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Exfiltration

Impact

Tasks