Overview

overview

10

Static

static

3

f1836d3e4c...3c.exe

windows7-x64

7

f1836d3e4c...3c.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    f1836d3e4c6916cdc1f873b430d0a2784885e587683f6917fd51c04eba18933c.exe

  • Size

    13.2MB

  • Sample

    240523-cn43xsab3y

  • MD5

    9e77a1c36b7ee264c38b958963769c08

  • SHA1

    eb7ad58040a6dbf826a37d52c26f7ce8ef963342

  • SHA256

    f1836d3e4c6916cdc1f873b430d0a2784885e587683f6917fd51c04eba18933c

  • SHA512

    cb4867e6d1eac352c59285e5b51128a54347e0780826b9c8221e516d650aa815d518591c8d4594a09b0ef331da29a9b49c0cab47987d035abda32f599be06cff

  • SSDEEP

    196608:XiwmU0yb8PHvOzg5dpsYjAu3toeQXs5S+9HIG3/htx4FMIZETSvjPePdrQJ/B2nw:ywuky7h/QXs4+9H7/DxQETSvvJsWp1

Score
10/10
xmrigevasionexecutionminerpersistencepyinstallerupx

Malware Config

Targets

    • Target

      f1836d3e4c6916cdc1f873b430d0a2784885e587683f6917fd51c04eba18933c.exe

    • Size

      13.2MB

    • MD5

      9e77a1c36b7ee264c38b958963769c08

    • SHA1

      eb7ad58040a6dbf826a37d52c26f7ce8ef963342

    • SHA256

      f1836d3e4c6916cdc1f873b430d0a2784885e587683f6917fd51c04eba18933c

    • SHA512

      cb4867e6d1eac352c59285e5b51128a54347e0780826b9c8221e516d650aa815d518591c8d4594a09b0ef331da29a9b49c0cab47987d035abda32f599be06cff

    • SSDEEP

      196608:XiwmU0yb8PHvOzg5dpsYjAu3toeQXs5S+9HIG3/htx4FMIZETSvjPePdrQJ/B2nw:ywuky7h/QXs4+9H7/DxQETSvvJsWp1

    Score
    10/10
    xmrigevasionexecutionminerpersistenceupx

    • xmrig

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

      minerxmrig

    • Detects executables referencing many IR and analysis tools

    • UPX dump on OEP (original entry point)

    • 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

    • Creates new service(s)

      persistenceexecution

    • Stops running service(s)

      evasionexecution

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

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

      upx

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

System Services

2
T1569

Service Execution

2
T1569.002

Persistence

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Privilege Escalation

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Defense Evasion

Impair Defenses

1
T1562

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Service Stop

1
T1489

Resource Development

Reconnaissance

Tasks