Overview

overview

10

Static

static

3

A4B02B376C...75.exe

windows7-x64

10

A4B02B376C...75.exe

windows10-2004-x64

7

Sharing

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General

  • Target

    JaffaCakes118_b0e1ef21d8ea2102603fa0e127d46f66ef40a368f4ba60bc81a8a4fd51e44bf0

  • Size

    1.9MB

  • Sample

    241222-1mc5taznbx

  • MD5

    3063776baa712f932cbb40bf85f7f58d

  • SHA1

    50ec4c8dde0734f7a4b4c9051911cfe1f7d28843

  • SHA256

    b0e1ef21d8ea2102603fa0e127d46f66ef40a368f4ba60bc81a8a4fd51e44bf0

  • SHA512

    4540406f1986322e6161af0c114e4f689c5d9a315a2635c8c5919ad3347521da8fce8f328b5a292de569e849862db5000a8afbc4aecd3e162ed82b50d5b66069

  • SSDEEP

    49152:oJiP86RJVrahpk7/B6sRZLOmbU3YMSOU7:giE6RJdWyl6Gd+pjU7

Score
10/10
asyncratdefaultdiscoveryrat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

novachrono.dyndns-ip.com:55319

novachrono.dyndns-ip.com:51397
Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    true

  • install_file

    repair-win.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      A4B02B376CC1B68B65EC04E802746B9BEFC7D4DB84A749EBF7B7AA1371628275

    • Size

      2.0MB

    • MD5

      a6c1f985465f58baa96e2fb863368258

    • SHA1

      48dbf29f9719644738fd849fb22e10e6e4f51d7c

    • SHA256

      a4b02b376cc1b68b65ec04e802746b9befc7d4db84a749ebf7b7aa1371628275

    • SHA512

      c9ac3680661a3af08aa468c37ab3fb80a7e8085561e6f845b18fa16154ce117661b862a1147135f533850b71ef676c7339f200029b321058ed84cea27df996ba

    • SSDEEP

      49152:3AI+Fl/k/n8JIgBeMCoT+DheCsR15+Vgy7tNByI6Aop:3AI+Fl/kPhghCS+FyCCy7tNBj6Aop

    Score
    10/10
    asyncratdefaultdiscoveryrat

    • AsyncRat

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

      ratasyncrat

    • Asyncrat family

      asyncrat

    • Async RAT payload

      rat

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Network Share Discovery

      Attempt to gather information on host network.

      discovery

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks