Overview

overview

10

Static

static

ea38cfcc02...c1.exe

windows7_x64

10

ea38cfcc02...c1.exe

windows10-2004_x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    ea38cfcc0258377c4feedfc30ed0bbc1.exe

  • Size

    180KB

  • Sample

    220630-kk236abee4

  • MD5

    ea38cfcc0258377c4feedfc30ed0bbc1

  • SHA1

    7b3bbfdffbfdaf8209d30f33c545b54abfd2816f

  • SHA256

    1b0a551577b66e5829eabfbdd99459b779d713a127812788ab96f90e08340e64

  • SHA512

    3920ac4956040655c0afac75d4030689ae367f324647c70e43a174938bed8a0ae993b417bb21d96a3ca31f631201b7fbfbbf6b89b37814815f51618d0e3928cc

Score
10/10
asyncratdefaultpersistenceratsuricata

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

Default

C2

62.197.136.195:3333

Mutex

DcRatMutex_qwqdanchun

Attributes
  • delay

    1

  • install

    true

  • install_file

    testversion.exe

  • install_folder

    %Temp%

aes.plain

Targets

    • Target

      ea38cfcc0258377c4feedfc30ed0bbc1.exe

    • Size

      180KB

    • MD5

      ea38cfcc0258377c4feedfc30ed0bbc1

    • SHA1

      7b3bbfdffbfdaf8209d30f33c545b54abfd2816f

    • SHA256

      1b0a551577b66e5829eabfbdd99459b779d713a127812788ab96f90e08340e64

    • SHA512

      3920ac4956040655c0afac75d4030689ae367f324647c70e43a174938bed8a0ae993b417bb21d96a3ca31f631201b7fbfbbf6b89b37814815f51618d0e3928cc

    Score
    10/10
    asyncratdefaultpersistenceratsuricata

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers.

      ratasyncrat

    • Modifies WinLogon for persistence

      persistence

    • suricata: ET MALWARE Observed Malicious SSL Cert (AsyncRAT)

      suricata: ET MALWARE Observed Malicious SSL Cert (AsyncRAT)

      suricata

    • Async RAT payload

      rat

    • Executes dropped EXE

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Winlogon Helper DLL

1
T1004

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks