Overview

overview

10

Static

static

disposable...SK.exe

windows7_x64

10

disposable...SK.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    4cd3516445804b6db6def641799df96a0ceb4d74db20ea631a833944816f93f6

  • Size

    233KB

  • Sample

    220521-b16a3sfhdr

  • MD5

    e0d2700717c9cedf057afc5a81301809

  • SHA1

    cf5e16bba33cabaf311fdf6d4ba633f987857784

  • SHA256

    4cd3516445804b6db6def641799df96a0ceb4d74db20ea631a833944816f93f6

  • SHA512

    77507489bd6ab423c55e5293dfd5f92481b3d68212df52d37da3cceba687063071b34b2848870d7a3e3b7bcee891728f4632395463bfb1dc013d980638feccd8

Score
10/10
asyncratmekuskiccoreentityratrezer0

Malware Config

Extracted

Family

asyncrat

Version

0.5.6D

Botnet

MEKUSKIC

C2

185.165.153.215:6606

Mutex

uqeolevmck

Attributes
  • delay

    1

  • install

    false

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      disposable-ppe-plus7269210-coverall-FACE-MASK.exe

    • Size

      378KB

    • MD5

      1e481676baa52debdfe61bbee086973f

    • SHA1

      94d010cb79798bccd7506634a3ff66b2724e29d4

    • SHA256

      41b228a6fc3e91dfbc8f98db716e3ca175a97e57fecd22e4ba13fb7ba9070750

    • SHA512

      6455afc5224312be0f0e2e1393c70ab78c9c88a779e0397b4807faf0b92d5372f311913e7c52020c3c694714ad397d57200b1e6e5fcf0e0b9e43b72356d8c443

    Score
    10/10
    asyncratmekuskiccoreentityratrezer0

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers.

      ratasyncrat

    • CoreEntity .NET Packer

      A .NET packer called CoreEntity where it has embedded the payload as a BitMap object which is later decrypted.

      coreentity

    • 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 v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks