Overview

overview

10

Static

static

Proof of p...df.scr

windows7_x64

10

Proof of p...df.scr

windows10-2004_x64

10

Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 01:15

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    Proof of payment.pdf.scr

  • Size

    928KB

  • MD5

    bb2fd8efc3e3e7912c54ed4e6d3cc980

  • SHA1

    72b072267288f131e0c54128ee88e2d2a8d6e064

  • SHA256

    e3cfd3d090923b878c13c989b6b7c65e8ee788b70dcce22db4f6798754082eef

  • SHA512

    c3e2d55bccd8eb2186f37ff55b00c8ba8fb232e15eb4031f14a1e748c5797232f1ebed5d8feb0a5586636db2f82569130b8db3606dfccf8af8a1360d62cd4734

Score
10/10
nanocoreevasionkeyloggerspywarestealertrojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

harolds.ooguy.com:6051

harold.2waky.com:6051
Mutex

79556390-7150-4551-9067-10cd33e6482e

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    harold.2waky.com

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-04-28T08:36:06.976087436Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    6051

  • default_group

    Acandy

  • 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

    79556390-7150-4551-9067-10cd33e6482e

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    harolds.ooguy.com

  • 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

Signatures

  • NanoCore

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

    keyloggertrojanstealerspywarenanocore
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistence
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Proof of payment.pdf.scr
    "C:\Users\Admin\AppData\Local\Temp\Proof of payment.pdf.scr" /S
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3368
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XqdHmwP" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3BFF.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4904
    • C:\Users\Admin\AppData\Local\Temp\Proof of payment.pdf.scr
      "{path}"
      2⤵
      • Checks whether UAC is enabled
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:2580

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp3BFF.tmp
    Filesize

    1KB

    MD5

    7f924a612451c5d6099ef4932fa86242

    SHA1

    74647d2a91b8b813ecffdd1dcd7f69bf03ec9ab6

    SHA256

    a4888a40d06bce00aad25a9e45fc7d0e743aaa6e512543354a4c9b2639643751

    SHA512

    3c6d0c44e6739e0d21c0d34dbdd40c05d827ddd43d6484ff1c25d9a44cbcbaa02fc55065631f418d788085bcbe4834bba9dab9f96cb0655ad539eb34fc1d1294

    Download Submit

  • memory/2580-136-0x0000000000000000-mapping.dmp

    Download

  • memory/2580-137-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

    Download

  • memory/2580-138-0x0000000005610000-0x000000000561A000-memory.dmp

    Filesize

    40KB

    Download

  • memory/3368-130-0x0000000000460000-0x000000000054E000-memory.dmp

    Filesize

    952KB

    Download

  • memory/3368-131-0x0000000007530000-0x00000000075CC000-memory.dmp

    Filesize

    624KB

    Download

  • memory/3368-132-0x0000000007670000-0x0000000007702000-memory.dmp

    Filesize

    584KB

    Download

  • memory/3368-133-0x0000000008260000-0x0000000008804000-memory.dmp

    Filesize

    5.6MB

    Download

  • memory/4904-134-0x0000000000000000-mapping.dmp

    Download