Overview

overview

10

Static

static

1

Custom Browser.cmd

windows10-2004-x64

10

Sharing

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General

  • Target

    Custom Browser.cmd

  • Size

    292KB

  • Sample

    240704-vz54gazfjk

  • MD5

    fd8aea3cd998330750841e3ecdac4e19

  • SHA1

    c395986291831a1bcbdee268bb52dc8351e2d071

  • SHA256

    1bc1a8f37e99916432c45d0793edb90034223cd77004eb182c23f8a3328fc2f3

  • SHA512

    17c00003e52d486b58f1d0fc730bd132b799715169cd2360eeea74a2d92d98fc4c5b8cb00fe29a6c94d2a2401cfcc895a9ec1072eb1f256a6201de33c57644b2

  • SSDEEP

    6144:OTJjDy7sYeIK8ODi9szVwhTvSPOk07BuYfZ2YIOXi/COBNFfIsqJW:OTZSsV88ERrSP+7EQ20QFwJW

Score
10/10
asyncratxwormdefaultexecutionrattrojan

Malware Config

Extracted

Family

xworm

C2

super-nearest.gl.at.ply.gg:17835

best-bird.gl.at.ply.gg:27196

wiz.bounceme.net:6000
Attributes
  • install_file

    USB.exe

aes.plain

Extracted

Family

asyncrat

Botnet

Default

C2

finally-grande.gl.at.ply.gg:25844

Attributes
  • delay

    1

  • install

    false

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      Custom Browser.cmd

    • Size

      292KB

    • MD5

      fd8aea3cd998330750841e3ecdac4e19

    • SHA1

      c395986291831a1bcbdee268bb52dc8351e2d071

    • SHA256

      1bc1a8f37e99916432c45d0793edb90034223cd77004eb182c23f8a3328fc2f3

    • SHA512

      17c00003e52d486b58f1d0fc730bd132b799715169cd2360eeea74a2d92d98fc4c5b8cb00fe29a6c94d2a2401cfcc895a9ec1072eb1f256a6201de33c57644b2

    • SSDEEP

      6144:OTJjDy7sYeIK8ODi9szVwhTvSPOk07BuYfZ2YIOXi/COBNFfIsqJW:OTZSsV88ERrSP+7EQ20QFwJW

    Score
    10/10
    asyncratxwormdefaultexecutionrattrojan

    • AsyncRat

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

      ratasyncrat

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

      trojanratxworm

    • Async RAT payload

      rat

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

      execution

    • Checks computer location settings

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

    • Executes dropped EXE

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    behavioral1

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks