Overview

overview

10

Static

static

1

curriculum...au.vbs

windows7-x64

8

curriculum...au.vbs

windows10-2004-x64

10

Sharing

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General

  • Target

    curriculum_vitae_nouveau.vbs

  • Size

    8.3MB

  • Sample

    250328-r1e2wsyqy2

  • MD5

    ad99218f7eaed3cc79596b2a48a5b0de

  • SHA1

    341461c93582a9eaa114e4084317fa69f2d30e4f

  • SHA256

    c61ad5fe92dc1419e194c3e4a5425ac20c0a108eee2bfc39df9ba12018771be7

  • SHA512

    fdc5dca67d58d850e43aa262786451620eeedb2baa421676a09f0fcdd363663b02a0d3c291421d87eef465c013587e653616f2047fe1ebcc82364f4663cfb3fd

  • SSDEEP

    49152:ZQtV9vMAoKtZmJKLmumQ5uYdh1o6tP2ps3BvSGIJMNNLTaf4hVvCKaoRHNY6EvXX:Ot7Qukp

Score
10/10
xmrigdiscoveryexecutionminerpersistencespywarestealerupx

Malware Config

Targets

    • Target

      curriculum_vitae_nouveau.vbs

    • Size

      8.3MB

    • MD5

      ad99218f7eaed3cc79596b2a48a5b0de

    • SHA1

      341461c93582a9eaa114e4084317fa69f2d30e4f

    • SHA256

      c61ad5fe92dc1419e194c3e4a5425ac20c0a108eee2bfc39df9ba12018771be7

    • SHA512

      fdc5dca67d58d850e43aa262786451620eeedb2baa421676a09f0fcdd363663b02a0d3c291421d87eef465c013587e653616f2047fe1ebcc82364f4663cfb3fd

    • SSDEEP

      49152:ZQtV9vMAoKtZmJKLmumQ5uYdh1o6tP2ps3BvSGIJMNNLTaf4hVvCKaoRHNY6EvXX:Ot7Qukp

    Score
    10/10
    executionxmrigdiscoveryminerpersistencespywarestealerupx

    • XMRig Miner payload

      miner

    • Xmrig family

      xmrig

    • xmrig

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

      minerxmrig

    • Detected Nirsoft tools

      Free utilities often used by attackers which can steal passwords, product keys, etc.

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

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

      execution

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Deletes itself

    • 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

    • UPX packed file

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

      upx
    behavioral1behavioral2

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

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Modify Registry

2
T1112

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Credential Access

Credentials from Password Stores

1
T1555

Credentials from Web Browsers

1
T1555.003

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Tasks