nanocore | c5780f70f04fb5c1751ada457dcd37cacfaeded64d4b7cedfb8e9a458147ac3d

General

Target

c5780f70f04fb5c1751ada457dcd37cacfaeded64d4b7cedfb8e9a458147ac3d.exe
Size

5.0MB
MD5

55baa82b2d73e2cd120eb25734938eab
SHA1

d97d0f7bc31ac059d81a907144b9e1e6e54ab1d1
SHA256

c5780f70f04fb5c1751ada457dcd37cacfaeded64d4b7cedfb8e9a458147ac3d
SHA512

61026b132739e0d48859f59873b5fa396411012a283dd207fb77f625984041fa4971e8e260e16510630c1772abcd36a97b0e159617bd4de0389dbcf875017703
SSDEEP

98304:uD8KUNVaZSRisKY4ZP2evD0jAIXQqxk5tTRAmCGpFFmcbj:/nKY42evD0japFbj

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

nrsi.twilightparadox.com:6765

127.0.0.1:6765

Mutex

b89d115a-97a0-487f-80f7-751d549eb8aa

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2014-12-19T14:32:21.105256036Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
6765
default_group
09/03/2015
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
b89d115a-97a0-487f-80f7-751d549eb8aa
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
nrsi.twilightparadox.com
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

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\NTFS Monitor = "C:\\Program Files (x86)\\NTFS Monitor\\ntfsmon.exe"	c5780f70f04fb5c1751ada457dcd37cacfaeded64d4b7cedfb8e9a458147ac3d.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	c5780f70f04fb5c1751ada457dcd37cacfaeded64d4b7cedfb8e9a458147ac3d.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1900 set thread context of 932	1900	c5780f70f04fb5c1751ada457dcd37cacfaeded64d4b7cedfb8e9a458147ac3d.exe	27

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\NTFS Monitor\ntfsmon.exe	c5780f70f04fb5c1751ada457dcd37cacfaeded64d4b7cedfb8e9a458147ac3d.exe
File opened for modification	C:\Program Files (x86)\NTFS Monitor\ntfsmon.exe	c5780f70f04fb5c1751ada457dcd37cacfaeded64d4b7cedfb8e9a458147ac3d.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
932	c5780f70f04fb5c1751ada457dcd37cacfaeded64d4b7cedfb8e9a458147ac3d.exe
932	c5780f70f04fb5c1751ada457dcd37cacfaeded64d4b7cedfb8e9a458147ac3d.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
932	c5780f70f04fb5c1751ada457dcd37cacfaeded64d4b7cedfb8e9a458147ac3d.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1900	c5780f70f04fb5c1751ada457dcd37cacfaeded64d4b7cedfb8e9a458147ac3d.exe
Token: 33	1900	c5780f70f04fb5c1751ada457dcd37cacfaeded64d4b7cedfb8e9a458147ac3d.exe
Token: SeIncBasePriorityPrivilege	1900	c5780f70f04fb5c1751ada457dcd37cacfaeded64d4b7cedfb8e9a458147ac3d.exe
Token: SeDebugPrivilege	932	c5780f70f04fb5c1751ada457dcd37cacfaeded64d4b7cedfb8e9a458147ac3d.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1900 wrote to memory of 932	1900	c5780f70f04fb5c1751ada457dcd37cacfaeded64d4b7cedfb8e9a458147ac3d.exe	27
PID 1900 wrote to memory of 932	1900	c5780f70f04fb5c1751ada457dcd37cacfaeded64d4b7cedfb8e9a458147ac3d.exe	27
PID 1900 wrote to memory of 932	1900	c5780f70f04fb5c1751ada457dcd37cacfaeded64d4b7cedfb8e9a458147ac3d.exe	27
PID 1900 wrote to memory of 932	1900	c5780f70f04fb5c1751ada457dcd37cacfaeded64d4b7cedfb8e9a458147ac3d.exe	27
PID 1900 wrote to memory of 932	1900	c5780f70f04fb5c1751ada457dcd37cacfaeded64d4b7cedfb8e9a458147ac3d.exe	27
PID 1900 wrote to memory of 932	1900	c5780f70f04fb5c1751ada457dcd37cacfaeded64d4b7cedfb8e9a458147ac3d.exe	27

C:\Users\Admin\AppData\Local\Temp\c5780f70f04fb5c1751ada457dcd37cacfaeded64d4b7cedfb8e9a458147ac3d.exe
"C:\Users\Admin\AppData\Local\Temp\c5780f70f04fb5c1751ada457dcd37cacfaeded64d4b7cedfb8e9a458147ac3d.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1900
- C:\Users\Admin\AppData\Local\Temp\c5780f70f04fb5c1751ada457dcd37cacfaeded64d4b7cedfb8e9a458147ac3d.exe
  C:\Users\Admin\AppData\Local\Temp\c5780f70f04fb5c1751ada457dcd37cacfaeded64d4b7cedfb8e9a458147ac3d.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
  PID:932

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/932-56-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/932-59-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/932-61-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/932-64-0x0000000074290000-0x000000007483B000-memory.dmp

Filesize
5.7MB

Download
memory/932-65-0x0000000074290000-0x000000007483B000-memory.dmp

Filesize
5.7MB

Download
memory/1900-54-0x0000000075A81000-0x0000000075A83000-memory.dmp

Filesize
8KB

Download
memory/1900-55-0x0000000074290000-0x000000007483B000-memory.dmp

Filesize
5.7MB

Download
memory/1900-63-0x0000000074290000-0x000000007483B000-memory.dmp

Filesize
5.7MB

Download

Analysis

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