Analysis

  • max time kernel
    144s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    27-10-2022 03:21

General

  • Target

    New Order Nov _22 Doc.exe

  • Size

    679KB

  • MD5

    eb581ac9d82bd04c09aeab67e9e2186e

  • SHA1

    2550739f500749f88f3a5b89d26097d9d79df005

  • SHA256

    ab321f1e18f45789460ef7a7666b0f220848bf36c9a3cb7ae6ac1b9c7a1ad2e0

  • SHA512

    4e380e1e4780c37a51bff5f44892a6f80e19dfa7f2055ed993725bed268abfa45d10beb4b723949f44d72412369516b0d9510a0c8aa0fc341feefc3cb7078b90

  • SSDEEP

    12288:Uanh79PKDtF5y80PAdLaHrJe8+4VuXK5tuKkDEpfsAIHnt:NKpF5y9PeyF9iK5tufEpfsAkn

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

194.5.97.231:6030

Mutex

711379fc-afa6-423a-ba67-51c2347911f4

Attributes
  • activate_away_mode

    true

  • backup_connection_host

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2022-08-02T22:54:59.827195236Z

  • 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

    6030

  • default_group

    TONERO

  • 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

    711379fc-afa6-423a-ba67-51c2347911f4

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    194.5.97.231

  • 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • 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.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\New Order Nov _22 Doc.exe
    "C:\Users\Admin\AppData\Local\Temp\New Order Nov _22 Doc.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1048
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\New Order Nov _22 Doc.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:620
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\XKnuIeXQvD.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:684
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XKnuIeXQvD" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB0BA.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:796
    • C:\Users\Admin\AppData\Local\Temp\New Order Nov _22 Doc.exe
      "C:\Users\Admin\AppData\Local\Temp\New Order Nov _22 Doc.exe"
      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:1544
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "AGP Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmpBAE7.tmp"
        3⤵
        • Creates scheduled task(s)
        PID:1956
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "AGP Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpBE81.tmp"
        3⤵
        • Creates scheduled task(s)
        PID:1924

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpB0BA.tmp

    Filesize

    1KB

    MD5

    00f82a156edb746633a55af7d3013828

    SHA1

    0d08b4e454689b41a2c31f416be3c7a3f1b942a8

    SHA256

    50221b0ddf1e55057142983af7e8c4a4329aaa2f07c4ac342f9e57fcb7ad5308

    SHA512

    308a60bb2ad15af3fa273c6e04c2d24c42c843993c4bc81f0fd2f3b81b88a829d2f351a824ec71273a40e74b401fed684e4db2c72ff3abc97798b083e94236b1

  • C:\Users\Admin\AppData\Local\Temp\tmpBAE7.tmp

    Filesize

    1KB

    MD5

    f964b80debb763d0dbd0c6914cef7eaa

    SHA1

    4032c4feae2a63339c4001b9eba64d22305a0cf7

    SHA256

    095892b6f71fd1ef6311da6df56fac6d0e315994014fab2d4a434f3d8b3f56c7

    SHA512

    c09b4051b638af64e3ef530705b85f15f96441b7bd859f860646dd927f361ee07552720805c7405661ede2449fa4269a87351116c43b56736cb4bfd3cb210689

  • C:\Users\Admin\AppData\Local\Temp\tmpBE81.tmp

    Filesize

    1KB

    MD5

    885d6dd30570594e167fadb59d9ca0ea

    SHA1

    9981e583644c4eb9cf5056615a0e1c2913c8983b

    SHA256

    7155bc082d1713d77c2797575ee0ade8467fb7012f5376c1d6f4aa618141a7d2

    SHA512

    1623218143c2c25a7c85fa9da8e0f251f04a5eb848c4d0aa10bfb78688518b82393a2b3c7f287a9dc06a366ef9f46d0d4e2d246ad4cef4554a74c0bb6ff9dd2a

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

    Filesize

    7KB

    MD5

    8c3e2cbe0aa42e3a63bcfbb0ba1c0659

    SHA1

    8d28ce89d832a5d2c79469e0a8e9de5afa8e5f9a

    SHA256

    e3cae50dd2d21704fbb22309bc1194af4e8424d0df2d76c0424a92c37b124c79

    SHA512

    3ee7505b4ec69f369db219ea025cc906f2e8ff0cbdcc41424ee9c76476484b96cb8090f2c315a695f77cfd43ef4e6cd10afd3d9580a6267bd7faa85c93341c64

  • memory/620-84-0x000000006DC00000-0x000000006E1AB000-memory.dmp

    Filesize

    5.7MB

  • memory/620-82-0x000000006DC00000-0x000000006E1AB000-memory.dmp

    Filesize

    5.7MB

  • memory/620-59-0x0000000000000000-mapping.dmp

  • memory/620-90-0x000000006DC00000-0x000000006E1AB000-memory.dmp

    Filesize

    5.7MB

  • memory/684-61-0x0000000000000000-mapping.dmp

  • memory/684-80-0x000000006DC00000-0x000000006E1AB000-memory.dmp

    Filesize

    5.7MB

  • memory/684-81-0x000000006DC00000-0x000000006E1AB000-memory.dmp

    Filesize

    5.7MB

  • memory/684-91-0x000000006DC00000-0x000000006E1AB000-memory.dmp

    Filesize

    5.7MB

  • memory/796-62-0x0000000000000000-mapping.dmp

  • memory/1048-55-0x00000000759F1000-0x00000000759F3000-memory.dmp

    Filesize

    8KB

  • memory/1048-54-0x0000000000C20000-0x0000000000CD0000-memory.dmp

    Filesize

    704KB

  • memory/1048-57-0x00000000003B0000-0x00000000003BC000-memory.dmp

    Filesize

    48KB

  • memory/1048-56-0x0000000000380000-0x0000000000398000-memory.dmp

    Filesize

    96KB

  • memory/1048-66-0x0000000004880000-0x00000000048BA000-memory.dmp

    Filesize

    232KB

  • memory/1048-58-0x0000000004EA0000-0x0000000004F14000-memory.dmp

    Filesize

    464KB

  • memory/1544-67-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/1544-74-0x000000000041E792-mapping.dmp

  • memory/1544-78-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/1544-76-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/1544-71-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/1544-73-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/1544-88-0x0000000000250000-0x000000000025A000-memory.dmp

    Filesize

    40KB

  • memory/1544-89-0x0000000000260000-0x000000000027E000-memory.dmp

    Filesize

    120KB

  • memory/1544-68-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/1544-70-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/1544-92-0x0000000000390000-0x000000000039A000-memory.dmp

    Filesize

    40KB

  • memory/1924-86-0x0000000000000000-mapping.dmp

  • memory/1956-83-0x0000000000000000-mapping.dmp