Overview

overview

10

Static

static

5

bcf4750c99...18.exe

windows7-x64

10

bcf4750c99...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-06-2024 16:45

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General

  • Target

    bcf4750c992b356dfa2cfa9032834451_JaffaCakes118.exe

  • Size

    1.3MB

  • MD5

    bcf4750c992b356dfa2cfa9032834451

  • SHA1

    817cadb583c8859ba8e75bafae6c0826ecb5fb26

  • SHA256

    8f2b5f143d81ac79ad4432c11d9cfdd256985dcd8bb41e9532e4526af5d78ea7

  • SHA512

    e64a84c2773997bf84cd233bea07c7a4c22fdeabcc2409258915bc8bb865fe4beeca9daeb7406da97ee3c6a053db60f999080e0cc499850eb7526083bf408bc7

  • SSDEEP

    24576:vAHnh+eWsN3skA4RV1Hom2KXMmHa9DCXej38Pjjunt4JYq5:Sh+ZkldoPK8Ya9D9j3atJZ

Score
10/10
nanocorekeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

91.193.75.96:1985

127.0.0.1:1985
Mutex

2746f6d6-915a-4394-a711-0c99c1ce9b7c

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    127.0.0.1

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2019-03-03T06:40:40.329275236Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    1985

  • default_group

    Deno

  • 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

    2746f6d6-915a-4394-a711-0c99c1ce9b7c

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    91.193.75.96

  • primary_dns_server

    8.8.8.8

  • request_elevation

    true

  • restart_delay

    5000

  • run_delay

    0

  • run_on_startup

    false

  • 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
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bcf4750c992b356dfa2cfa9032834451_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\bcf4750c992b356dfa2cfa9032834451_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2144
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
      2⤵
      • Adds Run key to start application
      • Drops file in Program Files directory
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:2984

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

  • memory/2144-5-0x0000000002870000-0x000000000287C000-memory.dmp
    Filesize

    48KB

    Download
  • memory/2144-12-0x0000000002870000-0x000000000287C000-memory.dmp
    Filesize

    48KB

    Download
  • memory/2984-1-0x0000000000700000-0x0000000000738000-memory.dmp
    Filesize

    224KB

    Download
  • memory/2984-6-0x0000000073912000-0x0000000073913000-memory.dmp
    Filesize

    4KB

    Download
  • memory/2984-7-0x0000000073910000-0x0000000073EC1000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/2984-8-0x0000000073910000-0x0000000073EC1000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/2984-11-0x0000000073910000-0x0000000073EC1000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/2984-13-0x0000000073912000-0x0000000073913000-memory.dmp
    Filesize

    4KB

    Download
  • memory/2984-14-0x0000000073910000-0x0000000073EC1000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/2984-15-0x0000000073910000-0x0000000073EC1000-memory.dmp
    Filesize

    5.7MB

    Download