General

  • Target

    H2M18SDPayment-Receipt.vbs

  • Size

    677B

  • Sample

    211210-qedfhaged7

  • MD5

    fcda4cc1ab0d4176dffbe5e90c7daf9e

  • SHA1

    ab26e9c1e1fef3457d6bdb4400dc5eb88470852c

  • SHA256

    63839b989707f31e4faa91996b54b622741e20b87d064d99b93978b554a92b02

  • SHA512

    a4e974caddba4b7fd2bc87d7f49ce349ec31f37964d47eb19fd5cf0d67b84eb90111c4ea88336bbcc37c132a86d37b56717c85ce62a9c53da929f5f4118e90ca

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

https://transfer.sh/get/dFhAUI/ravh.txt

Extracted

Family

njrat

Version

1.9

Botnet

HacKed

Mutex

Microsoft.Exe

Attributes
  • reg_key

    Microsoft.Exe

Extracted

Family

nanocore

Version

1.2.2.0

C2

nov6400.duckdns.org:6400

Mutex

513706f3-29db-4e99-a51e-059607a7bc45

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    nov6400.duckdns.org

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2021-09-17T19:15:29.081949136Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    6400

  • default_group

    nov 6400

  • enable_debug_mode

    true

  • gc_threshold

    1.048576e+07

  • keep_alive_timeout

    30000

  • keyboard_logging

    false

  • lan_timeout

    2500

  • max_packet_size

    1.048576e+07

  • mutex

    513706f3-29db-4e99-a51e-059607a7bc45

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    nov6400.duckdns.org

  • primary_dns_server

    8.8.8.8

  • request_elevation

    true

  • restart_delay

    5000

  • run_delay

    0

  • run_on_startup

    true

  • set_critical_process

    true

  • timeout_interval

    5000

  • use_custom_dns_server

    false

  • version

    1.2.2.0

  • wan_timeout

    8000

Targets

    • Target

      H2M18SDPayment-Receipt.vbs

    • Size

      677B

    • MD5

      fcda4cc1ab0d4176dffbe5e90c7daf9e

    • SHA1

      ab26e9c1e1fef3457d6bdb4400dc5eb88470852c

    • SHA256

      63839b989707f31e4faa91996b54b622741e20b87d064d99b93978b554a92b02

    • SHA512

      a4e974caddba4b7fd2bc87d7f49ce349ec31f37964d47eb19fd5cf0d67b84eb90111c4ea88336bbcc37c132a86d37b56717c85ce62a9c53da929f5f4118e90ca

    • BitRAT

      BitRAT is a remote access tool written in C++ and uses leaked source code from other families.

    • BitRAT Payload

    • NanoCore

      NanoCore is a remote access tool (RAT) with a variety of capabilities.

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

    • Blocklisted process makes network request

    • Modifies Windows Firewall

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Adds Run key to start application

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Discovery

System Information Discovery

1
T1082

Tasks