Overview

overview

10

Static

static

8

ORDER-230316.xlsm

windows7-x64

10

ORDER-230316.xlsm

windows10-2004-x64

10

Sharing

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General

  • Target

    ORDER-230316.xlsm

  • Size

    41KB

  • Sample

    230316-dex4pagf39

  • MD5

    91b915d7c1079e51e241748a006da03c

  • SHA1

    846a9d44011340ebc31439f316efc2d1e5b279a6

  • SHA256

    7508dd55323850161d037626592fc56eb6be4cc917c68ba90f3c5866f5c2b59d

  • SHA512

    e40c725e1ca805ea9613e6f8f77f1119337e5bda49b6f5cd1f3cd7aa9f4f4da2aa744ec86cc6c5d7f264173390148ba07cc7968c22d340aceea31df5d3bf54c2

  • SSDEEP

    768:iATtXvQ04qta8v+nWE8hMBIJYfTH+niSplFFiKk/fsgvRag+neWM:VxvSqJv+xG1BjFFi3/Egvg/e9

Score
10/10
asyncratlatestmacropersistencerat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

LATEST

C2

chongmei33.publicvm.com:2703

chongmei33.publicvm.com:49746

chongmei33.publicvm.com:6974

chonglee575.duckdns.org:2703

chonglee575.duckdns.org:49746

chonglee575.duckdns.org:6974
Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_file

    update.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      ORDER-230316.xlsm

    • Size

      41KB

    • MD5

      91b915d7c1079e51e241748a006da03c

    • SHA1

      846a9d44011340ebc31439f316efc2d1e5b279a6

    • SHA256

      7508dd55323850161d037626592fc56eb6be4cc917c68ba90f3c5866f5c2b59d

    • SHA512

      e40c725e1ca805ea9613e6f8f77f1119337e5bda49b6f5cd1f3cd7aa9f4f4da2aa744ec86cc6c5d7f264173390148ba07cc7968c22d340aceea31df5d3bf54c2

    • SSDEEP

      768:iATtXvQ04qta8v+nWE8hMBIJYfTH+niSplFFiKk/fsgvRag+neWM:VxvSqJv+xG1BjFFi3/Egvg/e9

    Score
    10/10
    asyncratlatestpersistencerat

    • AsyncRat

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

      ratasyncrat

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Async RAT payload

      rat

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Command-Line Interface

1
T1059

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

3
T1012

System Information Discovery

5
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks