Overview

overview

10

Static

static

#3072022ac...n.xlsx

windows7_x64

10

#3072022ac...n.xlsx

windows10-2004_x64

1

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General

  • Target

    #3072022account information.xlsx

  • Size

    177KB

  • Sample

    220704-jgdeysfchm

  • MD5

    53a7e8cab849d4fa5004219919dc5ccf

  • SHA1

    7cfc3a226c2b1d18393bbf90cbc120fbb8a6bbbe

  • SHA256

    7281f015876b8bdf48205e5e4cfbb492257e127b4fae7462b07e820f2cf02eb1

  • SHA512

    70adf8d2eadae2ac3453058a31546fb1f532d0d6fd4b3b093f93d5ebd1a3e80472a86d3118f66c91cc5bcb3d1d572ce06fa4e0895e8e0a9ff68df700bc9d20d5

Score
10/10
asyncratdefaultratsuricata

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

vivald21.hopto.org:9954

63.141.237.188:9954
Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      #3072022account information.xlsx

    • Size

      177KB

    • MD5

      53a7e8cab849d4fa5004219919dc5ccf

    • SHA1

      7cfc3a226c2b1d18393bbf90cbc120fbb8a6bbbe

    • SHA256

      7281f015876b8bdf48205e5e4cfbb492257e127b4fae7462b07e820f2cf02eb1

    • SHA512

      70adf8d2eadae2ac3453058a31546fb1f532d0d6fd4b3b093f93d5ebd1a3e80472a86d3118f66c91cc5bcb3d1d572ce06fa4e0895e8e0a9ff68df700bc9d20d5

    Score
    10/10
    asyncratdefaultratsuricata

    • 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

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Uses the VBS compiler for execution

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1
T1064

Scheduled Task

1
T1053

Exploitation for Client Execution

1
T1203

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Scripting

1
T1064

Modify Registry

1
T1112

Credential Access

Discovery

System Information Discovery

3
T1082

Query Registry

2
T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks