Overview

overview

10

Static

static

SecuriteIn...31.exe

windows7-x64

10

SecuriteIn...31.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    121s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    07-10-2022 05:35

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General

  • Target

    SecuriteInfo.com.Win32.CrypterX-gen.28030.12831.exe

  • Size

    1.0MB

  • MD5

    c0cd9935c87ccc3235bdfd310ccb8ad8

  • SHA1

    cb53de690623999f403f182356b4ae9bdaceff91

  • SHA256

    5060e941f2216d46ac8c8f757cdbf236fe338ec008e1484f2444de6a7b33fd70

  • SHA512

    9372780270e2fb44dfef58bb08c79c1c13fc607ee3b7c8993da8311ca2df995904962060a1d38c766a14ad60ba76e78ff9cd21871fdb25dd3921d8a4698a02f3

  • SSDEEP

    12288:zUAm5Zp0EcVR2qIjg+U/uqa//nR0grdfa9Fu+qjJ5nXOc166x+XX0kfeS3Q+scKZ:zGFVcVAqwC/R8mgpfaXu5jrXOc

Score
10/10
nanocoreevasionkeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

brightnano1.ddns.net:1989

171.22.30.97:1989
Mutex

fba1bbc6-2cc8-4c94-b6c0-dda5a12fd7fe

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    171.22.30.97

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2022-06-10T14:34:05.030247036Z

  • bypass_user_account_control

    false

  • bypass_user_account_control_data

    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

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    1989

  • default_group

    Default

  • 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

    fba1bbc6-2cc8-4c94-b6c0-dda5a12fd7fe

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    brightnano1.ddns.net

  • 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
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 2 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 3 IoCs

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

    persistence
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.28030.12831.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.28030.12831.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1044
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\bKfFQzlkECrWN" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD422.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1812
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.28030.12831.exe
      "{path}"
      2⤵
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:288
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "NTFS Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmpD97E.tmp"
        3⤵
        • Creates scheduled task(s)
        PID:1408
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "NTFS Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpDAA8.tmp"
        3⤵
        • Creates scheduled task(s)
        PID:900

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpD422.tmp
    Filesize

    1KB

    MD5

    19b11c0c8fd0f4f2e6e6aa860b4cd6c9

    SHA1

    9ec680e8662dd0a5106bf6fda258b6bf6292e748

    SHA256

    0df5674d346c74041f0e077e7961b87961e72c564e4c5921b13d90123695dcc7

    SHA512

    3cdc517df6b315bf30afeda7d71632e937aba496e09c76c3fdf5a52f53e99ffb97222c14ea4db96c2bf5c97fe579af86cf176a3fc4667b6c78c88b8d99087da1

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\tmpD97E.tmp
    Filesize

    1KB

    MD5

    f21be12eaf62988bcc5a488ad0875e4c

    SHA1

    2da102602d9aad72a40eae59fd98178754c4b7ec

    SHA256

    b8be990030e7b73f1790c2f644670c99a2266b17e5447fe4bc77e4ee4c3c9c4d

    SHA512

    e23e012dcf869ce7efeb5d31b804e57c7e26598d38ab70f837a180e9e169fa1b421a9aa36627eb6ad62bdd6dd8388e97d09e233f1e2134409d3dd168c3b95cde

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\tmpDAA8.tmp
    Filesize

    1KB

    MD5

    981e126601526eaa5b0ad45c496c4465

    SHA1

    d610d6a21a8420cc73fcd3e54ddae75a5897b28b

    SHA256

    11ae277dfa39e7038b782ca6557339e7fe88533fe83705c356a1500a1402d527

    SHA512

    a59fb704d931ccb7e1ec1a7b98e24ccd8708be529066c6de4b673098cdebef539f7f50d9e051c43954b5a8e7f810862b3a4ede170f131e080dadc3e763ed4bdb

    Download Submit
  • memory/288-62-0x0000000000400000-0x0000000000438000-memory.dmp
    Filesize

    224KB

    Download
  • memory/288-92-0x0000000000E80000-0x0000000000E94000-memory.dmp
    Filesize

    80KB

    Download
  • memory/288-91-0x0000000000FE0000-0x000000000100E000-memory.dmp
    Filesize

    184KB

    Download
  • memory/288-90-0x0000000000D20000-0x0000000000D2E000-memory.dmp
    Filesize

    56KB

    Download
  • memory/288-61-0x0000000000400000-0x0000000000438000-memory.dmp
    Filesize

    224KB

    Download
  • memory/288-89-0x0000000000D10000-0x0000000000D24000-memory.dmp
    Filesize

    80KB

    Download
  • memory/288-64-0x0000000000400000-0x0000000000438000-memory.dmp
    Filesize

    224KB

    Download
  • memory/288-65-0x0000000000400000-0x0000000000438000-memory.dmp
    Filesize

    224KB

    Download
  • memory/288-68-0x000000000041E792-mapping.dmp
    Download
  • memory/288-67-0x0000000000400000-0x0000000000438000-memory.dmp
    Filesize

    224KB

    Download
  • memory/288-70-0x0000000000400000-0x0000000000438000-memory.dmp
    Filesize

    224KB

    Download
  • memory/288-72-0x0000000000400000-0x0000000000438000-memory.dmp
    Filesize

    224KB

    Download
  • memory/288-88-0x0000000000BE0000-0x0000000000BF0000-memory.dmp
    Filesize

    64KB

    Download
  • memory/288-87-0x0000000000BD0000-0x0000000000BE4000-memory.dmp
    Filesize

    80KB

    Download
  • memory/288-86-0x0000000000BC0000-0x0000000000BCC000-memory.dmp
    Filesize

    48KB

    Download
  • memory/288-78-0x0000000000470000-0x000000000047A000-memory.dmp
    Filesize

    40KB

    Download
  • memory/288-85-0x0000000000BB0000-0x0000000000BBE000-memory.dmp
    Filesize

    56KB

    Download
  • memory/288-79-0x00000000006A0000-0x00000000006BE000-memory.dmp
    Filesize

    120KB

    Download
  • memory/288-80-0x0000000000570000-0x000000000057A000-memory.dmp
    Filesize

    40KB

    Download
  • memory/288-81-0x00000000006E0000-0x00000000006F2000-memory.dmp
    Filesize

    72KB

    Download
  • memory/288-82-0x00000000006F0000-0x000000000070A000-memory.dmp
    Filesize

    104KB

    Download
  • memory/288-83-0x0000000000760000-0x000000000076E000-memory.dmp
    Filesize

    56KB

    Download
  • memory/288-84-0x0000000000BA0000-0x0000000000BB2000-memory.dmp
    Filesize

    72KB

    Download
  • memory/900-76-0x0000000000000000-mapping.dmp
    Download
  • memory/1044-58-0x0000000000D50000-0x0000000000D8C000-memory.dmp
    Filesize

    240KB

    Download
  • memory/1044-56-0x0000000000820000-0x0000000000840000-memory.dmp
    Filesize

    128KB

    Download
  • memory/1044-54-0x00000000010F0000-0x00000000011FC000-memory.dmp
    Filesize

    1.0MB

    Download
  • memory/1044-57-0x0000000005F40000-0x0000000005FCE000-memory.dmp
    Filesize

    568KB

    Download
  • memory/1044-55-0x0000000075071000-0x0000000075073000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1408-74-0x0000000000000000-mapping.dmp
    Download
  • memory/1812-59-0x0000000000000000-mapping.dmp
    Download