nanocore | f68a1bb0e7aae64762f26fb29f6490d00595a13701058216bcbbc2333560ebd3

General

Target

xR8dE8xl0Wg9YDb.exe
Size

568KB
MD5

de47440e504d0e9a01b74434a7eb6781
SHA1

a0d85f84ea0334d03621a103d489b303346edd36
SHA256

f54d80f92e33206cfbd4e81d76081f73385fc13513ba1a61805063b121dbddee
SHA512

edd648794719a49ba6093ba0fb249319fea443f72a61ad2968d63f30074c37989ea28bf65a46cc9465d3a80c8eeb706f7a679f10dc750d017a8d0071d7069b58

Score

10^/10

nanocore keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

185.165.153.201:1985

127.0.0.1:1985

Mutex

30744d43-8939-4e7f-9084-5db4339c4c8f

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-05-16T01:24:47.907078236Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
false
clear_zone_identifier
false
connect_delay
4000
connection_port
1985
default_group
Cherry
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
30744d43-8939-4e7f-9084-5db4339c4c8f
mutex_timeout
5000
prevent_system_sleep
true
primary_connection_host
185.165.153.201
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:

RegSvcs.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\DSL Service = "C:\\Program Files (x86)\\DSL Service\\dslsvc.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

xR8dE8xl0Wg9YDb.exe

description pid process target process

PID 1980 set thread context of 952 1980 xR8dE8xl0Wg9YDb.exe RegSvcs.exe

description	pid	process	target process
PID 1980 set thread context of 952	1980	xR8dE8xl0Wg9YDb.exe	RegSvcs.exe

Drops file in Program Files directory 2 IoCs

Processes:

RegSvcs.exe

description	ioc	process
File created	C:\Program Files (x86)\DSL Service\dslsvc.exe	RegSvcs.exe
File opened for modification	C:\Program Files (x86)\DSL Service\dslsvc.exe	RegSvcs.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

1364 schtasks.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

xR8dE8xl0Wg9YDb.exeRegSvcs.exe

pid process

1980 xR8dE8xl0Wg9YDb.exe
1980 xR8dE8xl0Wg9YDb.exe
1980 xR8dE8xl0Wg9YDb.exe
952 RegSvcs.exe
952 RegSvcs.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RegSvcs.exe

pid process

952 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

xR8dE8xl0Wg9YDb.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 1980 xR8dE8xl0Wg9YDb.exe
Token: SeDebugPrivilege 952 RegSvcs.exe

pid	process
1364	schtasks.exe

pid	process
1980	xR8dE8xl0Wg9YDb.exe
1980	xR8dE8xl0Wg9YDb.exe
1980	xR8dE8xl0Wg9YDb.exe
952	RegSvcs.exe
952	RegSvcs.exe

pid	process
952	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	1980	xR8dE8xl0Wg9YDb.exe
Token: SeDebugPrivilege	952	RegSvcs.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

xR8dE8xl0Wg9YDb.exe

description	pid	process	target process
PID 1980 wrote to memory of 1364	1980	xR8dE8xl0Wg9YDb.exe	schtasks.exe
PID 1980 wrote to memory of 1364	1980	xR8dE8xl0Wg9YDb.exe	schtasks.exe
PID 1980 wrote to memory of 1364	1980	xR8dE8xl0Wg9YDb.exe	schtasks.exe
PID 1980 wrote to memory of 1364	1980	xR8dE8xl0Wg9YDb.exe	schtasks.exe
PID 1980 wrote to memory of 952	1980	xR8dE8xl0Wg9YDb.exe	RegSvcs.exe
PID 1980 wrote to memory of 952	1980	xR8dE8xl0Wg9YDb.exe	RegSvcs.exe
PID 1980 wrote to memory of 952	1980	xR8dE8xl0Wg9YDb.exe	RegSvcs.exe
PID 1980 wrote to memory of 952	1980	xR8dE8xl0Wg9YDb.exe	RegSvcs.exe
PID 1980 wrote to memory of 952	1980	xR8dE8xl0Wg9YDb.exe	RegSvcs.exe
PID 1980 wrote to memory of 952	1980	xR8dE8xl0Wg9YDb.exe	RegSvcs.exe
PID 1980 wrote to memory of 952	1980	xR8dE8xl0Wg9YDb.exe	RegSvcs.exe
PID 1980 wrote to memory of 952	1980	xR8dE8xl0Wg9YDb.exe	RegSvcs.exe
PID 1980 wrote to memory of 952	1980	xR8dE8xl0Wg9YDb.exe	RegSvcs.exe
PID 1980 wrote to memory of 952	1980	xR8dE8xl0Wg9YDb.exe	RegSvcs.exe
PID 1980 wrote to memory of 952	1980	xR8dE8xl0Wg9YDb.exe	RegSvcs.exe
PID 1980 wrote to memory of 952	1980	xR8dE8xl0Wg9YDb.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\xR8dE8xl0Wg9YDb.exe
"C:\Users\Admin\AppData\Local\Temp\xR8dE8xl0Wg9YDb.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1980

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IILisyS" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCA23.tmp"
2⤵
- Creates scheduled task(s)
PID:1364

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
"{path}"
2⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:952

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

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpCA23.tmp
Filesize
1KB

MD5
39ed607cde4c71c488cb16a7f870bb8b

SHA1
9a9cd888311b299161ad779ddc0259e37d4dc27f

SHA256
42702fee3928e33581784ee9ac5452290fe20a1f319843dbc95c82773c6b8957

SHA512
d25b3d15538df8f546390dda59ed67b1348d25216063214a3324d011db2b5d5ff46349e4d91ee40e7827c9afd616c0894e8eb2f6af3bf161c027990765176909

Download Submit
memory/952-61-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/952-58-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/952-59-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/952-62-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/952-64-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/952-65-0x000000000041E792-mapping.dmp

Download
memory/952-67-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/952-69-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/952-71-0x00000000743C0000-0x000000007496B000-memory.dmp

Filesize
5.7MB

Download
memory/1364-56-0x0000000000000000-mapping.dmp

Download
memory/1980-55-0x0000000074970000-0x0000000074F1B000-memory.dmp

Filesize
5.7MB

Download
memory/1980-54-0x00000000768D1000-0x00000000768D3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads