Overview

overview

10

Static

static

10

s1lence.exe

windows7-x64

7

s1lence.exe

windows10-2004-x64

8

?�ӂ�S�.pyc

windows7-x64

?�ӂ�S�.pyc

windows10-2004-x64

Sharing

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General

  • Target

    s1lence.exe

  • Size

    7.4MB

  • Sample

    240523-az6d1sfa6x

  • MD5

    668d1db9a3a70c9ecf654475f3369485

  • SHA1

    31819dd4a5948424b3aac16e99ded3839ad7a8c1

  • SHA256

    379d24f9014f75bb932c77c65f7d9508d456cba86ec45b22c542a035626140d1

  • SHA512

    a2bf16b8b092326372152758d1485893aa578540fa5997041a60e03a1f527ee8cf3a38221deecb9a0d1d27561c75948241a0e08c9270a924cd3b9cb4744306e6

  • SSDEEP

    196608:RrCO0cDeKG4+Ljv+bhqNVoBKUh8mz4Iv9Plu1D7AL:0ieT4CL+9qz8/b4IzuRAL

Score
10/10
blankgrabberexecutionspywarestealerupx

Malware Config

Targets

    • Target

      s1lence.exe

    • Size

      7.4MB

    • MD5

      668d1db9a3a70c9ecf654475f3369485

    • SHA1

      31819dd4a5948424b3aac16e99ded3839ad7a8c1

    • SHA256

      379d24f9014f75bb932c77c65f7d9508d456cba86ec45b22c542a035626140d1

    • SHA512

      a2bf16b8b092326372152758d1485893aa578540fa5997041a60e03a1f527ee8cf3a38221deecb9a0d1d27561c75948241a0e08c9270a924cd3b9cb4744306e6

    • SSDEEP

      196608:RrCO0cDeKG4+Ljv+bhqNVoBKUh8mz4Iv9Plu1D7AL:0ieT4CL+9qz8/b4IzuRAL

    Score
    8/10
    upxexecutionspywarestealer

    • Command and Scripting Interpreter: PowerShell

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

      execution

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

      spywarestealer

    • UPX packed file

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

      upx

    • Accesses cryptocurrency files/wallets, possible credential harvesting

      spyware

    • 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.

    behavioral1behavioral2

    • Target

      ?�ӂ�S�.pyc

    • Size

      1KB

    • MD5

      a19c3251c267c2fa03e28951ee280115

    • SHA1

      6c47279bad66304df5b4904d9602fbb22122dcfa

    • SHA256

      41852f56635c6aa2bda7e00a7872a90399b97eff58307189799dd2dd4cf71d82

    • SHA512

      58ff90504fd53a58a5e31010baa754778d2718a007cc8e202e1dc0ea23e2d752c28f19e922ae764ba8674f5e8a49900395f8dd36f93eb025155e6cd5f4e23717

    Score
    1/10
    behavioral3behavioral4

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

System Information Discovery

3
T1082

Process Discovery

1
T1057

Lateral Movement

Collection

Data from Local System

2
T1005

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Resource Development

Reconnaissance

Tasks