Overview

overview

10

Static

static

3

Insta.exe

windows7-x64

7

Insta.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    Insta.exe

  • Size

    12.5MB

  • Sample

    241126-nqx8yawjgr

  • MD5

    17858d64657673a270792159a7b4b199

  • SHA1

    e87b39ee15ae8a134c08da07f2e7f9176539a46d

  • SHA256

    513f4d27b4f4733c9880d07c908152949a1b2c6a33846695b922961674f1d0e3

  • SHA512

    4d7a36ea4159ea8fea69435ce403eebeb8e12f3a05926e2b045c5fd4ebacd4be87544b84200eb4db3b7a9fc9122021b99254b9212e002b0b8a339f3b567148e5

  • SSDEEP

    196608:hA4IKKTFLn3Fc3v7SLg9j44mtHn8dlWcQZt/VqugppwAcIHLGvgZBMPe:OjpTFcF9U4SWWb7VacIrG3

Score
10/10
defense_evasiondiscoveryevasionexecutionexploitpersistencetrojan

Malware Config

Targets

    • Target

      Insta.exe

    • Size

      12.5MB

    • MD5

      17858d64657673a270792159a7b4b199

    • SHA1

      e87b39ee15ae8a134c08da07f2e7f9176539a46d

    • SHA256

      513f4d27b4f4733c9880d07c908152949a1b2c6a33846695b922961674f1d0e3

    • SHA512

      4d7a36ea4159ea8fea69435ce403eebeb8e12f3a05926e2b045c5fd4ebacd4be87544b84200eb4db3b7a9fc9122021b99254b9212e002b0b8a339f3b567148e5

    • SSDEEP

      196608:hA4IKKTFLn3Fc3v7SLg9j44mtHn8dlWcQZt/VqugppwAcIHLGvgZBMPe:OjpTFcF9U4SWWb7VacIrG3

    Score
    10/10
    defense_evasiondiscoveryevasionexecutionexploitpersistencetrojan

    • Modifies WinLogon for persistence

      persistence

    • UAC bypass

      evasiontrojan

    • Blocks application from running via registry modification

      Adds application to list of disallowed applications.

      evasion

    • Disables RegEdit via registry modification

      evasion

    • Disables Task Manager via registry modification

      evasion

    • Possible privilege escalation attempt

      exploit

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

      discovery

    • File and Directory Permissions Modification: Windows File and Directory Permissions Modification

      defense_evasion

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Persistence

Boot or Logon Autostart Execution

1
T1547

Winlogon Helper DLL

1
T1547.004

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Boot or Logon Autostart Execution

1
T1547

Winlogon Helper DLL

1
T1547.004

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

File and Directory Permissions Modification

2
T1222

Windows File and Directory Permissions Modification

1
T1222.001

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Modify Registry

3
T1112

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Command and Control

Web Service

1
T1102

Exfiltration

Impact

Tasks