Overview

overview

10

Static

static

7

AsyncClien...ed.exe

windows7-x64

10

AsyncClien...ed.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    AsyncClient_protected.exe

  • Size

    3.7MB

  • Sample

    240630-yr9cpsxcnr

  • MD5

    b932c68c0270883947f788e8f515b3f5

  • SHA1

    331f4298b4d87ab1acf0e7d675a9475383f0a524

  • SHA256

    c7b89630f366ba04189f87ed7ccf7838b7db61ee00b9103ffbc6c18d829659cb

  • SHA512

    1bceb186d1a040524836bba0526437a69041fd3a399c5bceb0151a793d2258210c49be572e838e22ef06c640953f475ccfd203c267eb5464e8c04d712b08e3f3

  • SSDEEP

    98304:XIG/gN1A2Z5wiUv6QZjKcm/S7L8ziQGq/gU:XIG/gso5wii/Kcm5zFG

Score
10/10
asyncratdefaultevasionratthemidatrojan

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

2.tcp.ngrok.io:7777

2.tcp.ngrok.io:13109
Mutex

dW8XbmjCtqQS

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      AsyncClient_protected.exe

    • Size

      3.7MB

    • MD5

      b932c68c0270883947f788e8f515b3f5

    • SHA1

      331f4298b4d87ab1acf0e7d675a9475383f0a524

    • SHA256

      c7b89630f366ba04189f87ed7ccf7838b7db61ee00b9103ffbc6c18d829659cb

    • SHA512

      1bceb186d1a040524836bba0526437a69041fd3a399c5bceb0151a793d2258210c49be572e838e22ef06c640953f475ccfd203c267eb5464e8c04d712b08e3f3

    • SSDEEP

      98304:XIG/gN1A2Z5wiUv6QZjKcm/S7L8ziQGq/gU:XIG/gso5wii/Kcm5zFG

    Score
    10/10
    asyncratdefaultevasionratthemidatrojan

    • AsyncRat

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

      ratasyncrat

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

      evasion

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

      themida

    • Checks whether UAC is enabled

      evasiontrojan

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Discovery

Query Registry

2
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Resource Development

Reconnaissance

Tasks