Overview

overview

10

Static

static

3

35acccccd5...9N.exe

windows7-x64

10

35acccccd5...9N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    35acccccd5fbf615e4ee99c495a54f98b4f40bbef9d64ce210b18bea1101b479N.exe

  • Size

    1.7MB

  • Sample

    250205-a9kv3a1lfz

  • MD5

    9c8faa08895326855039435ed6a33c30

  • SHA1

    91b32df2d75a393f248debf1de8b787179332b1c

  • SHA256

    35acccccd5fbf615e4ee99c495a54f98b4f40bbef9d64ce210b18bea1101b479

  • SHA512

    14c82044d7bc1945522dec468f12ff3a3de6137157b83b13d3d8cbd78575c579d7f5f7f9ef7c30b64f33f14c62eb786a3f00432760e7da4e536d0235d48323c4

  • SSDEEP

    24576:69SQXgnU56Gt4ULYVI8RGwvrK7/ckFLI78c2:KsnxUh

Score
10/10
blackshadesdefense_evasiondiscoverypersistencerattrojanupx

Malware Config

Targets

    • Target

      35acccccd5fbf615e4ee99c495a54f98b4f40bbef9d64ce210b18bea1101b479N.exe

    • Size

      1.7MB

    • MD5

      9c8faa08895326855039435ed6a33c30

    • SHA1

      91b32df2d75a393f248debf1de8b787179332b1c

    • SHA256

      35acccccd5fbf615e4ee99c495a54f98b4f40bbef9d64ce210b18bea1101b479

    • SHA512

      14c82044d7bc1945522dec468f12ff3a3de6137157b83b13d3d8cbd78575c579d7f5f7f9ef7c30b64f33f14c62eb786a3f00432760e7da4e536d0235d48323c4

    • SSDEEP

      24576:69SQXgnU56Gt4ULYVI8RGwvrK7/ckFLI78c2:KsnxUh

    Score
    10/10
    blackshadesdefense_evasiondiscoverypersistencerattrojanupx

    • Blackshades

      Blackshades is a remote access trojan with various capabilities.

      ratblackshades

    • Blackshades family

      blackshades

    • Blackshades payload

    • Modifies WinLogon for persistence

      persistence

    • Modifies firewall policy service

      defense_evasion

    • UAC bypass

      defense_evasiontrojan

    • Adds policy Run key to start application

      persistence

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

      persistence

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      defense_evasiontrojan

    • Suspicious use of SetThreadContext

    • 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

Persistence

Boot or Logon Autostart Execution

4
T1547

Active Setup

1
T1547.014

Registry Run Keys / Startup Folder

2
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Boot or Logon Autostart Execution

4
T1547

Active Setup

1
T1547.014

Registry Run Keys / Startup Folder

2
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Impair Defenses

2
T1562

Disable or Modify System Firewall

1
T1562.004

Disable or Modify Tools

1
T1562.001

Modify Registry

7
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

3
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks