nanocore | 9d3daf108dbb469968ba5f3bacd9a629c274f00d74eba9569d59609242700349

General

Target

Specification.exe
Size

953KB
MD5

f27c978a656a30a737e26e2a858baf61
SHA1

244afc69f47b22f25ce43215722d6b6e7a768ef6
SHA256

9d3daf108dbb469968ba5f3bacd9a629c274f00d74eba9569d59609242700349
SHA512

1fd25b98a824a99e657f1eeb6f71ce9a2d7bd93d934789f33c4e73178e83f9e8cae8d4b9ce69a5fb16834c9b0ff1f517c2cfad27a17152e01ce083b916d88015
SSDEEP

12288:VNqZPTGiW79uxAlSKncvLjsBnZmV22PjbqCU8nM2oExb5poeEDQD5VYGEM7hTLk:VOPlAvEaMLjsb6BqCU8yER

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

brewsterchristophe.ddns.net:5899

194,147,5,75:5899

Mutex

b8aebc29-8c64-444f-99e6-dc4122e9bbfc

Attributes

activate_away_mode
true
backup_connection_host
194,147,5,75
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2022-04-29T03:26:40.572298236Z
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
5899
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
b8aebc29-8c64-444f-99e6-dc4122e9bbfc
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
brewsterchristophe.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.
keylogger trojan stealer spyware nanocore

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Specification.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\NTFS Monitor = "C:\\Program Files (x86)\\NTFS Monitor\\ntfsmon.exe"	Specification.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

Specification.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA Specification.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

Specification.exe

description pid process target process

PID 1632 set thread context of 564 1632 Specification.exe Specification.exe

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

description	pid	process	target process
PID 1632 set thread context of 564	1632	Specification.exe	Specification.exe

Drops file in Program Files directory 2 IoCs

Processes:

Specification.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\NTFS Monitor\ntfsmon.exe	Specification.exe
File created	C:\Program Files (x86)\NTFS Monitor\ntfsmon.exe	Specification.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exeschtasks.exe

pid process

1672 schtasks.exe
1332 schtasks.exe
964 schtasks.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

Specification.exe

pid process

564 Specification.exe
564 Specification.exe
564 Specification.exe
564 Specification.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Specification.exe

description pid process

Token: SeDebugPrivilege 564 Specification.exe

pid	process
1672	schtasks.exe
1332	schtasks.exe
964	schtasks.exe

pid	process
564	Specification.exe
564	Specification.exe
564	Specification.exe
564	Specification.exe

description	pid	process
Token: SeDebugPrivilege	564	Specification.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

Specification.exeSpecification.exe

description	pid	process	target process
PID 1632 wrote to memory of 1332	1632	Specification.exe	schtasks.exe
PID 1632 wrote to memory of 1332	1632	Specification.exe	schtasks.exe
PID 1632 wrote to memory of 1332	1632	Specification.exe	schtasks.exe
PID 1632 wrote to memory of 1332	1632	Specification.exe	schtasks.exe
PID 1632 wrote to memory of 564	1632	Specification.exe	Specification.exe
PID 1632 wrote to memory of 564	1632	Specification.exe	Specification.exe
PID 1632 wrote to memory of 564	1632	Specification.exe	Specification.exe
PID 1632 wrote to memory of 564	1632	Specification.exe	Specification.exe
PID 1632 wrote to memory of 564	1632	Specification.exe	Specification.exe
PID 1632 wrote to memory of 564	1632	Specification.exe	Specification.exe
PID 1632 wrote to memory of 564	1632	Specification.exe	Specification.exe
PID 1632 wrote to memory of 564	1632	Specification.exe	Specification.exe
PID 1632 wrote to memory of 564	1632	Specification.exe	Specification.exe
PID 564 wrote to memory of 964	564	Specification.exe	schtasks.exe
PID 564 wrote to memory of 964	564	Specification.exe	schtasks.exe
PID 564 wrote to memory of 964	564	Specification.exe	schtasks.exe
PID 564 wrote to memory of 964	564	Specification.exe	schtasks.exe
PID 564 wrote to memory of 1672	564	Specification.exe	schtasks.exe
PID 564 wrote to memory of 1672	564	Specification.exe	schtasks.exe
PID 564 wrote to memory of 1672	564	Specification.exe	schtasks.exe
PID 564 wrote to memory of 1672	564	Specification.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\Specification.exe
"C:\Users\Admin\AppData\Local\Temp\Specification.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1632

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\bqzIhdSOmL" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC237.tmp"
2⤵
- Creates scheduled task(s)
PID:1332

C:\Users\Admin\AppData\Local\Temp\Specification.exe
"{path}"
2⤵
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:564

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "NTFS Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmp1BBC.tmp"
3⤵
- Creates scheduled task(s)
PID:964

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "NTFS Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp1E3C.tmp"
3⤵
- Creates scheduled task(s)
PID:1672

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp1BBC.tmp

Filesize
1KB

MD5
db669b9087900663d5178140ce4ddfb4

SHA1
4ea03e63d1b035bbe1549eef79e77396b9aa0119

SHA256
34d8be15332fbfc8d1b0ebeeb944b30a50836ea9bdbd5c5ca8ee2a702bb34923

SHA512
dfcf9d7a58e0d3e9db2dd9708f13ed7d08b89b8f615ea8cd0a60501841b6eeed3c5837cb815020f665a6c21982cbf73f2bdafd8eb16285995a73f97db6cdeee6

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp1E3C.tmp

Filesize
1KB

MD5
981e126601526eaa5b0ad45c496c4465

SHA1
d610d6a21a8420cc73fcd3e54ddae75a5897b28b

SHA256
11ae277dfa39e7038b782ca6557339e7fe88533fe83705c356a1500a1402d527

SHA512
a59fb704d931ccb7e1ec1a7b98e24ccd8708be529066c6de4b673098cdebef539f7f50d9e051c43954b5a8e7f810862b3a4ede170f131e080dadc3e763ed4bdb

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC237.tmp

Filesize
1KB

MD5
bfd26a751d0b67e32d85c6e68284fb62

SHA1
28ad83530d495909f73d5dae8e5b2d13e21fcc71

SHA256
7107fada0816eeb56fb7be6e82d59260838b4ce55eec51d3404992a1347ddd3c

SHA512
26bc63c125394d373067e659cbcc4eb5496da538a3cc18bd54d07ec63061cbfa53946ae2c5739f7da0f9ab6713f1868bf93c2cbfec36356c69517762be636497

Download Submit
memory/564-62-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/564-92-0x00000000020A0000-0x00000000020B4000-memory.dmp

Filesize
80KB

Download
memory/564-91-0x0000000002220000-0x000000000224E000-memory.dmp

Filesize
184KB

Download
memory/564-90-0x0000000002080000-0x000000000208E000-memory.dmp

Filesize
56KB

Download
memory/564-61-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/564-89-0x0000000002070000-0x0000000002084000-memory.dmp

Filesize
80KB

Download
memory/564-64-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/564-65-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/564-67-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/564-68-0x000000000041E792-mapping.dmp

Download
memory/564-72-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/564-70-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/564-88-0x0000000002060000-0x0000000002070000-memory.dmp

Filesize
64KB

Download
memory/564-87-0x0000000000880000-0x0000000000894000-memory.dmp

Filesize
80KB

Download
memory/564-86-0x0000000000870000-0x000000000087C000-memory.dmp

Filesize
48KB

Download
memory/564-78-0x0000000000390000-0x000000000039A000-memory.dmp

Filesize
40KB

Download
memory/564-85-0x0000000000860000-0x000000000086E000-memory.dmp

Filesize
56KB

Download
memory/564-79-0x00000000003E0000-0x00000000003FE000-memory.dmp

Filesize
120KB

Download
memory/564-80-0x00000000006F0000-0x00000000006FA000-memory.dmp

Filesize
40KB

Download
memory/564-81-0x0000000000720000-0x0000000000732000-memory.dmp

Filesize
72KB

Download
memory/564-82-0x00000000007B0000-0x00000000007CA000-memory.dmp

Filesize
104KB

Download
memory/564-83-0x0000000000830000-0x000000000083E000-memory.dmp

Filesize
56KB

Download
memory/564-84-0x0000000000850000-0x0000000000862000-memory.dmp

Filesize
72KB

Download
memory/964-74-0x0000000000000000-mapping.dmp

Download
memory/1332-59-0x0000000000000000-mapping.dmp

Download
memory/1632-58-0x0000000004500000-0x000000000453A000-memory.dmp

Filesize
232KB

Download
memory/1632-56-0x0000000000570000-0x0000000000590000-memory.dmp

Filesize
128KB

Download
memory/1632-54-0x00000000008D0000-0x00000000009C4000-memory.dmp

Filesize
976KB

Download
memory/1632-57-0x0000000005210000-0x000000000529A000-memory.dmp

Filesize
552KB

Download
memory/1632-55-0x00000000761F1000-0x00000000761F3000-memory.dmp

Filesize
8KB

Download
memory/1672-76-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads