Overview

overview

10

Static

static

3

35e7f1f850...34.exe

windows7-x64

10

35e7f1f850...34.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    35e7f1f850ca524d0eaa6522a4451834.exe

  • Size

    476KB

  • Sample

    240804-pk183syhra

  • MD5

    35e7f1f850ca524d0eaa6522a4451834

  • SHA1

    e98db252a62c84fd87416d2ec347de46ec053ebd

  • SHA256

    2449fe334bbf8f09ff80422578a6c6961d20a0a456b214f6490c5ed1ae859c9e

  • SHA512

    3b013378a51a29652ff84f61050b344f504ef51a51944d469b1d0e629e4abad979416a56b9cffb6cfe20b80dfbebffec35dce6f5dc10b02907dee538f9f17a01

  • SSDEEP

    6144:gFJ8aFxdJD82I+PwMmTqhepZsZsqAPh+jtKiEoRagl2SEP5zrAdi:gFyaFxdJbIAuZ0sHPwjAoZpExodi

Score
10/10
asyncratdiscoveryexecutionpersistencerat

Malware Config

Targets

    • Target

      35e7f1f850ca524d0eaa6522a4451834.exe

    • Size

      476KB

    • MD5

      35e7f1f850ca524d0eaa6522a4451834

    • SHA1

      e98db252a62c84fd87416d2ec347de46ec053ebd

    • SHA256

      2449fe334bbf8f09ff80422578a6c6961d20a0a456b214f6490c5ed1ae859c9e

    • SHA512

      3b013378a51a29652ff84f61050b344f504ef51a51944d469b1d0e629e4abad979416a56b9cffb6cfe20b80dfbebffec35dce6f5dc10b02907dee538f9f17a01

    • SSDEEP

      6144:gFJ8aFxdJD82I+PwMmTqhepZsZsqAPh+jtKiEoRagl2SEP5zrAdi:gFyaFxdJbIAuZ0sHPwjAoZpExodi

    Score
    10/10
    asyncratdiscoveryexecutionpersistencerat

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

      ratasyncrat

    • Command and Scripting Interpreter: PowerShell

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

      execution

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

      execution

    • Downloads MZ/PE file

    • 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

    • Blocklisted process makes network request

    • Checks for any installed AV software in registry

    • Enumerates connected drives

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

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2
T1059

PowerShell

2
T1059.001

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

Modify Registry

1
T1112

Credential Access

Discovery

Peripheral Device Discovery

2
T1120

Query Registry

3
T1012

Software Discovery

1
T1518

Security Software Discovery

1
T1518.001

System Information Discovery

4
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks