General

  • Target

    PAYMENTTRF889020022.exe

  • Size

    355KB

  • Sample

    221011-q6kznaged3

  • MD5

    1d00728cbb02b69a8cad3f032be410c8

  • SHA1

    a803d959e77cdbec645288fe922d12e6888a209a

  • SHA256

    c3fb8b20af40e3a6905a1190d657bd725c241efa3d91d0c0e1546f2b8ae8a2ff

  • SHA512

    8858475d2f17f2f6786cbcd33f64bcb1515c931fd095d7d1828b1765dca3d47e454ef961c3ce4e41c9087494530694ede7475c8f31d4d549a9b2d913cc5d7257

  • SSDEEP

    6144:HNeZmLE2rXehVTdEMLjtEkzKJg5/mnc52iOu0anAU5hvrBAVGFryDgvMar819nYk:HNl9KhVTtLjmkzufc5D0aBvrXVkgzr85

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.collinssaludnatural.com
  • Port:
    21
  • Username:
    cargo@collinssaludnatural.com
  • Password:
    1Hhzqx^s+8Oe

Extracted

Family

nanocore

Version

1.2.2.0

C2

37.0.14.210:6060

127.0.0.1:6060

Mutex

9fc6520a-b866-467e-b702-7533f9b56460

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    127.0.0.1

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2022-04-25T14:53:00.256026436Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    6060

  • default_group

    SWIFT

  • 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

    9fc6520a-b866-467e-b702-7533f9b56460

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    37.0.14.210

  • 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

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.collinssaludnatural.com/
  • Port:
    21
  • Username:
    cargo@collinssaludnatural.com
  • Password:
    1Hhzqx^s+8Oe

Targets

    • Target

      PAYMENTTRF889020022.exe

    • Size

      355KB

    • MD5

      1d00728cbb02b69a8cad3f032be410c8

    • SHA1

      a803d959e77cdbec645288fe922d12e6888a209a

    • SHA256

      c3fb8b20af40e3a6905a1190d657bd725c241efa3d91d0c0e1546f2b8ae8a2ff

    • SHA512

      8858475d2f17f2f6786cbcd33f64bcb1515c931fd095d7d1828b1765dca3d47e454ef961c3ce4e41c9087494530694ede7475c8f31d4d549a9b2d913cc5d7257

    • SSDEEP

      6144:HNeZmLE2rXehVTdEMLjtEkzKJg5/mnc52iOu0anAU5hvrBAVGFryDgvMar819nYk:HNl9KhVTtLjmkzufc5D0aBvrXVkgzr85

    • AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • NanoCore

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

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses Microsoft Outlook profiles

    • Checks whether UAC is enabled

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks