Overview

overview

10

Static

static

3

b091c3ea9c...f8.exe

windows7-x64

10

b091c3ea9c...f8.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    b091c3ea9ca2f565dc4455017ea7b7337806ced4a340c993b0135a9e238f5ff8

  • Size

    1.4MB

  • Sample

    231126-vgs17aaf5w

  • MD5

    1d3c46705beab45cb1b080ff24d4549e

  • SHA1

    8ebd8e1ffa610939943284daafaeb1e27f35e988

  • SHA256

    b091c3ea9ca2f565dc4455017ea7b7337806ced4a340c993b0135a9e238f5ff8

  • SHA512

    37e93589c7c01f276d0e34875a06c787006db24e8ba458ac0d21f434252b169eb30d7c5f5e008f1b1a57f1d7829c39d49495c4f7b96e66d6c4aa2d49fc477d36

  • SSDEEP

    24576:AmJMORe2zOUaltm9yU0Wd/qcU714D++PdQ+WhOCayUNo9X+aBjJVI1OyJ/:9+Ge2zhaltm9yvcUD4wkyUc7HH

Score
10/10
asyncratupdaterat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Update

C2

6.tcp.eu.ngrok.io:18488

Mutex

bQQYBRR46lgR

Attributes
  • delay

    3

  • install

    true

  • install_file

    Update.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      b091c3ea9ca2f565dc4455017ea7b7337806ced4a340c993b0135a9e238f5ff8

    • Size

      1.4MB

    • MD5

      1d3c46705beab45cb1b080ff24d4549e

    • SHA1

      8ebd8e1ffa610939943284daafaeb1e27f35e988

    • SHA256

      b091c3ea9ca2f565dc4455017ea7b7337806ced4a340c993b0135a9e238f5ff8

    • SHA512

      37e93589c7c01f276d0e34875a06c787006db24e8ba458ac0d21f434252b169eb30d7c5f5e008f1b1a57f1d7829c39d49495c4f7b96e66d6c4aa2d49fc477d36

    • SSDEEP

      24576:AmJMORe2zOUaltm9yU0Wd/qcU714D++PdQ+WhOCayUNo9X+aBjJVI1OyJ/:9+Ge2zhaltm9yvcUD4wkyUc7HH

    Score
    10/10
    asyncratupdaterat

    • AsyncRat

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

      ratasyncrat

    • Async RAT payload

      rat

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Defense Evasion

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Resource Development

Reconnaissance

Tasks