Overview

overview

10

Static

static

10

flawedammyy.exe

windows7-x64

10

flawedammyy.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    flawedammyy

  • Size

    3.6MB

  • Sample

    240229-p3atvaaa38

  • MD5

    743a6891999db5d7179091aba5f98fdb

  • SHA1

    eeca4b8f88fcae9db6f54304270699d459fb5722

  • SHA256

    fe9d72dd4b046bafdd144902ab570297629f83d06afb5a9ba7703382a29d588f

  • SHA512

    9edef033663c828536190332ec87ac0096ffddae934d17c51b255a55ecb05774211a0edb1915c19384641befa291cfdfd2e3f878bf3b827f8b203ec1bee9dd96

  • SSDEEP

    98304:NX8jXTWmbAJDaFoKLxycZ2gzJXvXdfxs2g1ypKLC1z:NX8Dsm9ycUcv82Qy06

Score
10/10
ammyyadminflawedammyyevasionpersistencerattrojan

Malware Config

Targets

    • Target

      flawedammyy

    • Size

      3.6MB

    • MD5

      743a6891999db5d7179091aba5f98fdb

    • SHA1

      eeca4b8f88fcae9db6f54304270699d459fb5722

    • SHA256

      fe9d72dd4b046bafdd144902ab570297629f83d06afb5a9ba7703382a29d588f

    • SHA512

      9edef033663c828536190332ec87ac0096ffddae934d17c51b255a55ecb05774211a0edb1915c19384641befa291cfdfd2e3f878bf3b827f8b203ec1bee9dd96

    • SSDEEP

      98304:NX8jXTWmbAJDaFoKLxycZ2gzJXvXdfxs2g1ypKLC1z:NX8Dsm9ycUcv82Qy06

    Score
    10/10
    ammyyadminflawedammyyevasionpersistencerattrojan

    • Ammyy Admin

      Remote admin tool with various capabilities.

      ratammyyadmin

    • AmmyyAdmin payload

    • FlawedAmmyy RAT

      Remote-access trojan based on leaked code for the Ammyy remote admin software.

      trojanflawedammyy

    • Creates new service(s)

      persistence

    • Modifies Windows Firewall

      evasion

    • 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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Modify Registry

5
T1112

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks