Overview

overview

8

Static

static

3

Yammi_Setu...1).exe

windows10-2004-x64

7

Yammi_Setu...1).exe

windows10-ltsc_2021-x64

7

Yammi_Setu...1).exe

windows11-21h2-x64

8

Yammi_Setu...1).exe

windows11-ltsc_2024-x64

8

Sharing

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General

  • Target
    Yammi_Setupx64 (1).exe
  • Size 239.7MB
  • Sample261002-y3mcbatves
  • SHA256 b496a0eeae13cb057070b7b81fa4940e36f3830272bf68f4138d3f32847c659d
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwarecredential_accessdefense_evasiondiscoveryexecutionpersistenceransomwarespywarestealer

Malware Config

Targets

    • Target
      Yammi_Setupx64 (1).exe
    • Size 239.7MB
    • SHA256 b496a0eeae13cb057070b7b81fa4940e36f3830272bf68f4138d3f32847c659d
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    8/10
    defense_evasiondiscoverycredential_accessexecutionpersistenceransomwarespywarestealeradware

    • 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

    • Downloads MZ/PE file

    • Credentials from Password Stores: Windows Credential Manager

      Suspicious access to Credentials History.

      credential_accessstealer

    • Executes a file named after a Windows system binary

      The file runs from a user directory while carrying the name of an executable that normally only exists in System32.

      defense_evasion

    • 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

    • Adds Run key to start application

      persistence

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    behavioral1behavioral2behavioral3behavioral4

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

Windows Command Shell

1
T1059.003

Persistence

Boot or Logon Autostart Execution

2
T1547

Active Setup

1
T1547.014

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Active Setup

1
T1547.014

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Masquerading

1
T1036

Match Legitimate Name or Location

1
T1036.005

Modify Registry

3
T1112

Subvert Trust Controls

1
T1553

SIP and Trust Provider Hijacking

1
T1553.003

Credential Access

Credentials from Password Stores

2
T1555

Credentials from Web Browsers

1
T1555.003

Windows Credential Manager

1
T1555.004

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Browser Information Discovery

1
T1217

Peripheral Device Discovery

2
T1120

Query Registry

5
T1012

System Information Discovery

4
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

System Time Discovery

1
T1124

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Tasks