Overview

overview

10

Static

static

3

Scan_06192020.exe

windows7-x64

10

Scan_06192020.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    7fa59a3765d7c03a2e6c51aaac8dbf0b18449625357eae3523a46f048dda6331.zip

  • Size

    113KB

  • Sample

    231213-rd4fzafca2

  • MD5

    ea9897a3d25763fb6d966fa414fd5653

  • SHA1

    176a00b43ac34058ce13c83543c9a18b77f118b1

  • SHA256

    89e2704e3362f2b31c7cfbfdcf6fd540f71d5375612edf318bbca1098da7cbb6

  • SHA512

    bd809a67d7b597335e4ced1b92142097b0a069195c25d07643a14016410aef83ac383c30c44299822e121cbf32a9c81b75da3e859c648d567f46f96f90dc9860

  • SSDEEP

    3072:werjyWSLuEeJbYJ2vBuEk6y6nDdLqU9Zmy0Pln:w+yWYuEUYssV4ZqU9Zmy0dn

Score
10/10
asyncratdefaultratrezer0

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

winx.xcapdatap.capetown:6204

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      Scan_06192020.exe

    • Size

      154KB

    • MD5

      10c2b3afaeb7fe450852bb55c08f89d1

    • SHA1

      ed5a0fbdd1a380bb5738ff3f03ea3f7b851e33e5

    • SHA256

      847b3580cba59e7f4b453488c263544f3c481027d2ddf4f9f3988d84afc35c85

    • SHA512

      709c44292e385c684c1af1e18c49a2f7a82b62faa685fe9226609c67d4e885dc5c3f820954c6c9cb0aa2d73de136070cb13b316ad08501bfe2869b577b858bce

    • SSDEEP

      3072:bqOQcs8pmp5W4J44tDlsAU/UwtRUsUUc2fjRs+DVs+A1+HX5wsOZ4T3EMXckbNGV:bqLl2V7H6sA4bEMXc4VLvTGc

    Score
    10/10
    asyncratdefaultratrezer0

    • AsyncRat

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

      ratasyncrat

    • Async RAT payload

      rat

    • ReZer0 packer

      Detects ReZer0, a packer with multiple versions used in various campaigns.

      rezer0

    • Checks computer location settings

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

    • Suspicious use of SetThreadContext

    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

Impact

Resource Development

Reconnaissance

Tasks