nanocore | 55136e48846424dba4e779d885364790bd078642b02b161a0f8c8c141ea8a524

General

Target

55136e48846424dba4e779d885364790bd078642b02b161a0f8c8c141ea8a524.exe
Size

527KB
MD5

2ae1cbcdaa9a7eb492ec494193250e63
SHA1

ff0f79fba2f9552f61a0bf6313e74c407801aef0
SHA256

55136e48846424dba4e779d885364790bd078642b02b161a0f8c8c141ea8a524
SHA512

92f480ff53149cb8ea950ed24cfee2e025fc913bd8249f5f3bf9dd5fa77cb3009ac796e4e48f6c3431959d4a2b2e6524d66a89339e485af9a566ee8f1609a2a1
SSDEEP

12288:JLz6hGSgtsJcctRZ2y46AKV5egz+LPw4BPOe2U:AgQccHgy4R0egz+JV2

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

194.5.98.3:4321

Mutex

1b787288-3820-406e-95fa-ca959b4e1d82

Attributes

activate_away_mode
true
backup_connection_host
194.5.98.3
backup_dns_server
buffer_size
65535
build_time
2020-11-30T13:42:04.191855836Z
bypass_user_account_control
true
bypass_user_account_control_data
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
clear_access_control
true
clear_zone_identifier
true
connect_delay
4000
connection_port
4321
default_group
CHISOM
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
1b787288-3820-406e-95fa-ca959b4e1d82
mutex_timeout
5000
prevent_system_sleep
true
primary_connection_host
194.5.98.3
primary_dns_server
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:

55136e48846424dba4e779d885364790bd078642b02b161a0f8c8c141ea8a524.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"	55136e48846424dba4e779d885364790bd078642b02b161a0f8c8c141ea8a524.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

55136e48846424dba4e779d885364790bd078642b02b161a0f8c8c141ea8a524.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	55136e48846424dba4e779d885364790bd078642b02b161a0f8c8c141ea8a524.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

55136e48846424dba4e779d885364790bd078642b02b161a0f8c8c141ea8a524.exe

description	pid	process	target process
PID 2020 set thread context of 620	2020	55136e48846424dba4e779d885364790bd078642b02b161a0f8c8c141ea8a524.exe	55136e48846424dba4e779d885364790bd078642b02b161a0f8c8c141ea8a524.exe

Drops file in Program Files directory 2 IoCs

Processes:

55136e48846424dba4e779d885364790bd078642b02b161a0f8c8c141ea8a524.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\NTFS Monitor\ntfsmon.exe	55136e48846424dba4e779d885364790bd078642b02b161a0f8c8c141ea8a524.exe
File created	C:\Program Files (x86)\NTFS Monitor\ntfsmon.exe	55136e48846424dba4e779d885364790bd078642b02b161a0f8c8c141ea8a524.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 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

832 schtasks.exe

pid	process
832	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

55136e48846424dba4e779d885364790bd078642b02b161a0f8c8c141ea8a524.exe55136e48846424dba4e779d885364790bd078642b02b161a0f8c8c141ea8a524.exe

pid	process
2020	55136e48846424dba4e779d885364790bd078642b02b161a0f8c8c141ea8a524.exe
620	55136e48846424dba4e779d885364790bd078642b02b161a0f8c8c141ea8a524.exe
620	55136e48846424dba4e779d885364790bd078642b02b161a0f8c8c141ea8a524.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

55136e48846424dba4e779d885364790bd078642b02b161a0f8c8c141ea8a524.exe55136e48846424dba4e779d885364790bd078642b02b161a0f8c8c141ea8a524.exe

description	pid	process
Token: SeDebugPrivilege	2020	55136e48846424dba4e779d885364790bd078642b02b161a0f8c8c141ea8a524.exe
Token: SeDebugPrivilege	620	55136e48846424dba4e779d885364790bd078642b02b161a0f8c8c141ea8a524.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

55136e48846424dba4e779d885364790bd078642b02b161a0f8c8c141ea8a524.exe

description	pid	process	target process
PID 2020 wrote to memory of 832	2020	55136e48846424dba4e779d885364790bd078642b02b161a0f8c8c141ea8a524.exe	schtasks.exe
PID 2020 wrote to memory of 832	2020	55136e48846424dba4e779d885364790bd078642b02b161a0f8c8c141ea8a524.exe	schtasks.exe
PID 2020 wrote to memory of 832	2020	55136e48846424dba4e779d885364790bd078642b02b161a0f8c8c141ea8a524.exe	schtasks.exe
PID 2020 wrote to memory of 832	2020	55136e48846424dba4e779d885364790bd078642b02b161a0f8c8c141ea8a524.exe	schtasks.exe
PID 2020 wrote to memory of 620	2020	55136e48846424dba4e779d885364790bd078642b02b161a0f8c8c141ea8a524.exe	55136e48846424dba4e779d885364790bd078642b02b161a0f8c8c141ea8a524.exe
PID 2020 wrote to memory of 620	2020	55136e48846424dba4e779d885364790bd078642b02b161a0f8c8c141ea8a524.exe	55136e48846424dba4e779d885364790bd078642b02b161a0f8c8c141ea8a524.exe
PID 2020 wrote to memory of 620	2020	55136e48846424dba4e779d885364790bd078642b02b161a0f8c8c141ea8a524.exe	55136e48846424dba4e779d885364790bd078642b02b161a0f8c8c141ea8a524.exe
PID 2020 wrote to memory of 620	2020	55136e48846424dba4e779d885364790bd078642b02b161a0f8c8c141ea8a524.exe	55136e48846424dba4e779d885364790bd078642b02b161a0f8c8c141ea8a524.exe
PID 2020 wrote to memory of 620	2020	55136e48846424dba4e779d885364790bd078642b02b161a0f8c8c141ea8a524.exe	55136e48846424dba4e779d885364790bd078642b02b161a0f8c8c141ea8a524.exe
PID 2020 wrote to memory of 620	2020	55136e48846424dba4e779d885364790bd078642b02b161a0f8c8c141ea8a524.exe	55136e48846424dba4e779d885364790bd078642b02b161a0f8c8c141ea8a524.exe
PID 2020 wrote to memory of 620	2020	55136e48846424dba4e779d885364790bd078642b02b161a0f8c8c141ea8a524.exe	55136e48846424dba4e779d885364790bd078642b02b161a0f8c8c141ea8a524.exe
PID 2020 wrote to memory of 620	2020	55136e48846424dba4e779d885364790bd078642b02b161a0f8c8c141ea8a524.exe	55136e48846424dba4e779d885364790bd078642b02b161a0f8c8c141ea8a524.exe
PID 2020 wrote to memory of 620	2020	55136e48846424dba4e779d885364790bd078642b02b161a0f8c8c141ea8a524.exe	55136e48846424dba4e779d885364790bd078642b02b161a0f8c8c141ea8a524.exe

C:\Users\Admin\AppData\Local\Temp\55136e48846424dba4e779d885364790bd078642b02b161a0f8c8c141ea8a524.exe
"C:\Users\Admin\AppData\Local\Temp\55136e48846424dba4e779d885364790bd078642b02b161a0f8c8c141ea8a524.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2020

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZlQvLrqP" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA3CF.tmp"
2⤵
- Creates scheduled task(s)
PID:832

C:\Users\Admin\AppData\Local\Temp\55136e48846424dba4e779d885364790bd078642b02b161a0f8c8c141ea8a524.exe
"C:\Users\Admin\AppData\Local\Temp\55136e48846424dba4e779d885364790bd078642b02b161a0f8c8c141ea8a524.exe"
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
PID:620

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpA3CF.tmp
Filesize
1KB

MD5
d3f381fc1e023405814b3cf06d270484

SHA1
69e0a984a326f5219516f3467bf5ae528d61c29c

SHA256
e3c791e87883f8fd98e58db0e4b732a6a6f93189ebcc25ea58920eeb1eee8760

SHA512
c00ea0fc7b287eea4b311954860886e641a1554d3436f3dc0b741f0aa0a58c4d6dfa6027fc9a89e8ae8497352b4c4666611e366962881f6498edc52ed4ec4c27

Download Submit
memory/620-67-0x000000000041E792-mapping.dmp

Download
memory/620-61-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/620-75-0x0000000000460000-0x000000000046A000-memory.dmp

Filesize
40KB

Download
memory/620-74-0x0000000000440000-0x000000000045E000-memory.dmp

Filesize
120KB

Download
memory/620-64-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/620-60-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/620-73-0x0000000000250000-0x000000000025A000-memory.dmp

Filesize
40KB

Download
memory/620-63-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/620-71-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/620-66-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/620-69-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/832-58-0x0000000000000000-mapping.dmp

Download
memory/2020-54-0x0000000000EA0000-0x0000000000F2A000-memory.dmp

Filesize
552KB

Download
memory/2020-55-0x00000000756B1000-0x00000000756B3000-memory.dmp

Filesize
8KB

Download
memory/2020-56-0x0000000000330000-0x000000000033A000-memory.dmp

Filesize
40KB

Download
memory/2020-57-0x0000000005230000-0x0000000005292000-memory.dmp

Filesize
392KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads