Overview

overview

10

Static

static

triage_dro...le.exe

windows7_x64

10

triage_dro...le.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    triage_dropped_file

  • Size

    172KB

  • Sample

    220630-qyh54abedm

  • MD5

    982f97ccf89f9d50dbc5d152c7139a50

  • SHA1

    0ba6c448dd8566a1196e642ef1d834d55bf6e3e6

  • SHA256

    f41360c7779e6656ec89fdfa40ae58b619d80dd27286802a9e902ab9dde19152

  • SHA512

    c51127261b13e135e183c779c2bc10b5f43a2e27ccfd902829abc215beddd2070cf3739ac810201ae4eaf98dc9afab9b5e6923e97b1ca7bd0c7e661706c08fd1

Score
10/10
asyncratdefaultpersistenceratsuricata

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

127.0.0.1:6606

127.0.0.1:7707

127.0.0.1:8808

127.0.0.1:1111

62.197.136.167:6606

62.197.136.167:7707

62.197.136.167:8808

62.197.136.167:1111
Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      triage_dropped_file

    • Size

      172KB

    • MD5

      982f97ccf89f9d50dbc5d152c7139a50

    • SHA1

      0ba6c448dd8566a1196e642ef1d834d55bf6e3e6

    • SHA256

      f41360c7779e6656ec89fdfa40ae58b619d80dd27286802a9e902ab9dde19152

    • SHA512

      c51127261b13e135e183c779c2bc10b5f43a2e27ccfd902829abc215beddd2070cf3739ac810201ae4eaf98dc9afab9b5e6923e97b1ca7bd0c7e661706c08fd1

    Score
    10/10
    asyncratdefaultpersistenceratsuricata

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers.

      ratasyncrat

    • suricata: ET MALWARE Generic AsyncRAT Style SSL Cert

      suricata: ET MALWARE Generic AsyncRAT Style SSL Cert

      suricata

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

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

      suricata

    • Async RAT payload

      rat

    • Checks computer location settings

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

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

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