Overview

overview

10

Static

static

3

appstep.58680017.exe

windows10-2004-x64

10

appstep.58680017.exe

windows11-ltsc_2024-x64

1

Sharing

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General

  • Target
    e76dad510ba8a84699eb38e89bb4213003c9bed1fbe5a385f90342f40a52e59d
  • Size 5.9MB
  • Sample260721-2zb9qagb45
  • SHA256 e76dad510ba8a84699eb38e89bb4213003c9bed1fbe5a385f90342f40a52e59d
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defense_evasionexecutionpersistencetrojan

Malware Config

Targets

    • Target
      appstep.58680017.exe
    • Size 54.3MB
    • SHA256 3ce0c47b071a3037ba74279c97593bdcfa592eda39d1520c4a5ff79d08a4d19f
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defense_evasionexecutionpersistencetrojan

    • Windows security bypass

      defense_evasiontrojan

    • 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

    • Indicator Removal: Clear Persistence

      Clear artifacts associated with previously established persistence like scheduletasks on a host.

      defense_evasion

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

Windows Command Shell

1
T1059.003

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Indicator Removal

1
T1070

Clear Persistence

1
T1070.009

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks