nanocore | 674427173a5e079caa90209387e6131f19ebafea2f2a0b7c580fa8ea7d4eaa45

General

Target

plugman01558.exe
Size

598KB
MD5

991132ddc79bd645dc6264f86358f724
SHA1

9bf9fcfbc256179ffcefaf215ee266ddeb535f0e
SHA256

674427173a5e079caa90209387e6131f19ebafea2f2a0b7c580fa8ea7d4eaa45
SHA512

8ff72e2d1420d0bacc9c0e1111312c09bfbb0a61ca14d11f2d7da4ec1fa82116e655d6cf5feec7463d57b8092ad4fbed547b63fdba6b453001b3b7b078be107f
SSDEEP

12288:Ajsj3HbgUeFedrkXmew74UCesjuCC37sDiXD/FhfgUT+MzYjMv43xK4ENzQK:dT7gUeirkX5wU31VC1Fhf/vUjMQ3rEN

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

6coinc.zapto.org:6696

127.0.0.1:6696

Mutex

dc5ce709-95b6-4a26-9175-16a1a8446828

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2023-09-03T02:07:11.731490736Z
bypass_user_account_control
false
bypass_user_account_control_data
PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTE2Ij8+DQo8VGFzayB2ZXJzaW9uPSIxLjIiIHhtbG5zPSJodHRwOi8vc2NoZW1hcy5taWNyb3NvZnQuY29tL3dpbmRvd3MvMjAwNC8wMi9taXQvdGFzayI+DQogIDxSZWdpc3RyYXRpb25JbmZvIC8+DQogIDxUcmlnZ2VycyAvPg0KICA8UHJpbmNpcGFscz4NCiAgICA8UHJpbmNpcGFsIGlkPSJBdXRob3IiPg0KICAgICAgPExvZ29uVHlwZT5JbnRlcmFjdGl2ZVRva2VuPC9Mb2dvblR5cGU+DQogICAgICA8UnVuTGV2ZWw+SGlnaGVzdEF2YWlsYWJsZTwvUnVuTGV2ZWw+DQogICAgPC9QcmluY2lwYWw+DQogIDwvUHJpbmNpcGFscz4NCiAgPFNldHRpbmdzPg0KICAgIDxNdWx0aXBsZUluc3RhbmNlc1BvbGljeT5QYXJhbGxlbDwvTXVsdGlwbGVJbnN0YW5jZXNQb2xpY3k+DQogICAgPERpc2FsbG93U3RhcnRJZk9uQmF0dGVyaWVzPmZhbHNlPC9EaXNhbGxvd1N0YXJ0SWZPbkJhdHRlcmllcz4NCiAgICA8U3RvcElmR29pbmdPbkJhdHRlcmllcz5mYWxzZTwvU3RvcElmR29pbmdPbkJhdHRlcmllcz4NCiAgICA8QWxsb3dIYXJkVGVybWluYXRlPnRydWU8L0FsbG93SGFyZFRlcm1pbmF0ZT4NCiAgICA8U3RhcnRXaGVuQXZhaWxhYmxlPmZhbHNlPC9TdGFydFdoZW5BdmFpbGFibGU+DQogICAgPFJ1bk9ubHlJZk5ldHdvcmtBdmFpbGFibGU+ZmFsc2U8L1J1bk9ubHlJZk5ldHdvcmtBdmFpbGFibGU+DQogICAgPElkbGVTZXR0aW5ncz4NCiAgICAgIDxTdG9wT25JZGxlRW5kPmZhbHNlPC9TdG9wT25JZGxlRW5kPg0KICAgICAgPFJlc3RhcnRPbklkbGU+ZmFsc2U8L1Jlc3RhcnRPbklkbGU+DQogICAgPC9JZGxlU2V0dGluZ3M+DQogICAgPEFsbG93U3RhcnRPbkRlbWFuZD50cnVlPC9BbGxvd1N0YXJ0T25EZW1hbmQ+DQogICAgPEVuYWJsZWQ+dHJ1ZTwvRW5hYmxlZD4NCiAgICA8SGlkZGVuPmZhbHNlPC9IaWRkZW4+DQogICAgPFJ1bk9ubHlJZklkbGU+ZmFsc2U8L1J1bk9ubHlJZklkbGU+DQogICAgPFdha2VUb1J1bj5mYWxzZTwvV2FrZVRvUnVuPg0KICAgIDxFeGVjdXRpb25UaW1lTGltaXQ+UFQwUzwvRXhlY3V0aW9uVGltZUxpbWl0Pg0KICAgIDxQcmlvcml0eT40PC9Qcmlvcml0eT4NCiAgPC9TZXR0aW5ncz4NCiAgPEFjdGlvbnMgQ29udGV4dD0iQXV0aG9yIj4NCiAgICA8RXhlYz4NCiAgICAgIDxDb21tYW5kPiIjRVhFQ1VUQUJMRVBBVEgiPC9Db21tYW5kPg0KICAgICAgPEFyZ3VtZW50cz4kKEFyZzApPC9Bcmd1bWVudHM+DQogICAgPC9FeGVjPg0KICA8L0FjdGlvbnM+DQo8L1Rhc2s+
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
6696
default_group
6coinc
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
dc5ce709-95b6-4a26-9175-16a1a8446828
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
6coinc.zapto.org
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.
keylogger trojan stealer spyware nanocore
Nanocore family
nanocore

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\PCI Subsystem = "C:\\Program Files (x86)\\PCI Subsystem\\pciss.exe"	plugman01558.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	plugman01558.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1720 set thread context of 316	1720	plugman01558.exe	97

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\PCI Subsystem\pciss.exe	plugman01558.exe
File opened for modification	C:\Program Files (x86)\PCI Subsystem\pciss.exe	plugman01558.exe

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	plugman01558.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	plugman01558.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
1264	NOTEPAD.EXE

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
1200	schtasks.exe
740	schtasks.exe

Suspicious behavior: EnumeratesProcesses 39 IoCs

pid	Process
316	plugman01558.exe
316	plugman01558.exe
316	plugman01558.exe
316	plugman01558.exe
316	plugman01558.exe
316	plugman01558.exe
316	plugman01558.exe
316	plugman01558.exe
316	plugman01558.exe
316	plugman01558.exe
316	plugman01558.exe
316	plugman01558.exe
316	plugman01558.exe
316	plugman01558.exe
316	plugman01558.exe
316	plugman01558.exe
316	plugman01558.exe
316	plugman01558.exe
316	plugman01558.exe
316	plugman01558.exe
316	plugman01558.exe
316	plugman01558.exe
316	plugman01558.exe
316	plugman01558.exe
316	plugman01558.exe
316	plugman01558.exe
316	plugman01558.exe
316	plugman01558.exe
316	plugman01558.exe
316	plugman01558.exe
316	plugman01558.exe
316	plugman01558.exe
316	plugman01558.exe
316	plugman01558.exe
316	plugman01558.exe
316	plugman01558.exe
316	plugman01558.exe
316	plugman01558.exe
316	plugman01558.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
316	plugman01558.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	316	plugman01558.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1720 wrote to memory of 316	1720	plugman01558.exe	97
PID 1720 wrote to memory of 316	1720	plugman01558.exe	97
PID 1720 wrote to memory of 316	1720	plugman01558.exe	97
PID 1720 wrote to memory of 316	1720	plugman01558.exe	97
PID 1720 wrote to memory of 316	1720	plugman01558.exe	97
PID 1720 wrote to memory of 316	1720	plugman01558.exe	97
PID 1720 wrote to memory of 316	1720	plugman01558.exe	97
PID 1720 wrote to memory of 316	1720	plugman01558.exe	97
PID 316 wrote to memory of 1200	316	plugman01558.exe	98
PID 316 wrote to memory of 1200	316	plugman01558.exe	98
PID 316 wrote to memory of 1200	316	plugman01558.exe	98
PID 316 wrote to memory of 740	316	plugman01558.exe	100
PID 316 wrote to memory of 740	316	plugman01558.exe	100
PID 316 wrote to memory of 740	316	plugman01558.exe	100

C:\Users\Admin\AppData\Local\Temp\plugman01558.exe
"C:\Users\Admin\AppData\Local\Temp\plugman01558.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1720
- C:\Users\Admin\AppData\Local\Temp\plugman01558.exe
  "C:\Users\Admin\AppData\Local\Temp\plugman01558.exe"
  2⤵
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:316
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "PCI Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp22E.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1200
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "PCI Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp2FA.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:740

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:4508

C:\Windows\system32\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\StructuredQuery.log
1⤵
- Opens file in notepad (likely ransom note)
PID:1264

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\plugman01558.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp22E.tmp

Filesize
1KB

MD5
9595248d9aee4187c9fa9025aeecb08f

SHA1
7b1ef645f30473fe135df49601c2a75fecc719cf

SHA256
7ade529beeefbef53d10e71cc7406de1a14b572a49d4e48bd1a67c7ef79dff1e

SHA512
f0f0cf675d269a3b2508dcdb7055c3817f92c28a1290e73fd905b633c782d06f2c1d650ee56f27d6ae2e380b91ade5803fb16d91522a77d978f3eb5c1f2d0eba

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp2FA.tmp

Filesize
1KB

MD5
09063e7cc0d66a9aed53f2e2d2409103

SHA1
96f8fa15b5a3b2646f6691770a158c69ea7405a4

SHA256
369b159ef60c988373a3c85e0b10b5ff2178504465f11965ab0d66f14124f9a1

SHA512
c460a3cab70270c5cefe0464df6ddb9d50bb58ac9c49c7e62c9a55cc6bc30b6411cbc28ae418dd91b1ba1190f8394ccd937452ae70d7062740207d2ffc68e2ec

Download Submit
memory/316-13-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/316-30-0x0000000074510000-0x0000000074CC0000-memory.dmp

Filesize
7.7MB

Download
memory/316-29-0x0000000074510000-0x0000000074CC0000-memory.dmp

Filesize
7.7MB

Download
memory/316-28-0x0000000006410000-0x000000000641A000-memory.dmp

Filesize
40KB

Download
memory/316-27-0x00000000062F0000-0x000000000630E000-memory.dmp

Filesize
120KB

Download
memory/316-26-0x00000000051F0000-0x00000000051FA000-memory.dmp

Filesize
40KB

Download
memory/316-18-0x0000000074510000-0x0000000074CC0000-memory.dmp

Filesize
7.7MB

Download
memory/316-16-0x0000000074510000-0x0000000074CC0000-memory.dmp

Filesize
7.7MB

Download
memory/1720-6-0x00000000073A0000-0x00000000073B8000-memory.dmp

Filesize
96KB

Download
memory/1720-7-0x0000000004C60000-0x0000000004C66000-memory.dmp

Filesize
24KB

Download
memory/1720-11-0x0000000005EC0000-0x0000000005F32000-memory.dmp

Filesize
456KB

Download
memory/1720-10-0x00000000045B0000-0x00000000045BA000-memory.dmp

Filesize
40KB

Download
memory/1720-9-0x0000000074510000-0x0000000074CC0000-memory.dmp

Filesize
7.7MB

Download
memory/1720-17-0x0000000074510000-0x0000000074CC0000-memory.dmp

Filesize
7.7MB

Download
memory/1720-8-0x000000007451E000-0x000000007451F000-memory.dmp

Filesize
4KB

Download
memory/1720-12-0x000000000AA10000-0x000000000AAAC000-memory.dmp

Filesize
624KB

Download
memory/1720-0-0x000000007451E000-0x000000007451F000-memory.dmp

Filesize
4KB

Download
memory/1720-5-0x0000000074510000-0x0000000074CC0000-memory.dmp

Filesize
7.7MB

Download
memory/1720-4-0x0000000004B00000-0x0000000004B0A000-memory.dmp

Filesize
40KB

Download
memory/1720-3-0x0000000004B30000-0x0000000004BC2000-memory.dmp

Filesize
584KB

Download
memory/1720-2-0x00000000051B0000-0x0000000005754000-memory.dmp

Filesize
5.6MB

Download
memory/1720-1-0x00000000001B0000-0x000000000024C000-memory.dmp

Filesize
624KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads