nanocore | 70ae9f204352242faa28e2d090c2ea16297dd2b1066d5e3c37ac04425a2e7967

General

Target

HLCUJK1200426084 INV 2097430962.exe
Size

504KB
MD5

cf593bb4945ab19851e82c0c854cdcef
SHA1

434f090315532907b68298d9083b3363c94a0497
SHA256

305eb08e59ef7e93a40e6eb8edf0c4a336ff54bfc07cac69d1744c949f53757e
SHA512

f1acde98ab1c98edac34df2240aa5479201721eb998ad0794a9a305e89932b46f0d6c873b6711a9eb36f0421f414bb7e6cee197e3db8bb3e92606f7c29033b2f

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

adikaremix.linkpc.net:1790

185.140.53.13:1790

Mutex

9493864b-27d9-4410-9dcc-9a0c4732a1d5

Attributes

activate_away_mode
true
backup_connection_host
185.140.53.13
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-03-21T11:14:38.887176036Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
1790
default_group
June@@
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
9493864b-27d9-4410-9dcc-9a0c4732a1d5
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
adikaremix.linkpc.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:

HLCUJK1200426084 INV 2097430962.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\DSL Service = "C:\\Program Files (x86)\\DSL Service\\dslsv.exe"	HLCUJK1200426084 INV 2097430962.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

HLCUJK1200426084 INV 2097430962.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	HLCUJK1200426084 INV 2097430962.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

HLCUJK1200426084 INV 2097430962.exe

description pid process target process

PID 1472 set thread context of 1824 1472 HLCUJK1200426084 INV 2097430962.exe HLCUJK1200426084 INV 2097430962.exe

description	pid	process	target process
PID 1472 set thread context of 1824	1472	HLCUJK1200426084 INV 2097430962.exe	HLCUJK1200426084 INV 2097430962.exe

Drops file in Program Files directory 2 IoCs

Processes:

HLCUJK1200426084 INV 2097430962.exe

description	ioc	process
File created	C:\Program Files (x86)\DSL Service\dslsv.exe	HLCUJK1200426084 INV 2097430962.exe
File opened for modification	C:\Program Files (x86)\DSL Service\dslsv.exe	HLCUJK1200426084 INV 2097430962.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

1732 schtasks.exe

pid	process
1732	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

HLCUJK1200426084 INV 2097430962.exeHLCUJK1200426084 INV 2097430962.exe

pid	process
1472	HLCUJK1200426084 INV 2097430962.exe
1472	HLCUJK1200426084 INV 2097430962.exe
1824	HLCUJK1200426084 INV 2097430962.exe
1824	HLCUJK1200426084 INV 2097430962.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

HLCUJK1200426084 INV 2097430962.exeHLCUJK1200426084 INV 2097430962.exe

description pid process

Token: SeDebugPrivilege 1472 HLCUJK1200426084 INV 2097430962.exe
Token: SeDebugPrivilege 1824 HLCUJK1200426084 INV 2097430962.exe

description	pid	process
Token: SeDebugPrivilege	1472	HLCUJK1200426084 INV 2097430962.exe
Token: SeDebugPrivilege	1824	HLCUJK1200426084 INV 2097430962.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

HLCUJK1200426084 INV 2097430962.exe

description	pid	process	target process
PID 1472 wrote to memory of 1732	1472	HLCUJK1200426084 INV 2097430962.exe	schtasks.exe
PID 1472 wrote to memory of 1732	1472	HLCUJK1200426084 INV 2097430962.exe	schtasks.exe
PID 1472 wrote to memory of 1732	1472	HLCUJK1200426084 INV 2097430962.exe	schtasks.exe
PID 1472 wrote to memory of 1732	1472	HLCUJK1200426084 INV 2097430962.exe	schtasks.exe
PID 1472 wrote to memory of 1824	1472	HLCUJK1200426084 INV 2097430962.exe	HLCUJK1200426084 INV 2097430962.exe
PID 1472 wrote to memory of 1824	1472	HLCUJK1200426084 INV 2097430962.exe	HLCUJK1200426084 INV 2097430962.exe
PID 1472 wrote to memory of 1824	1472	HLCUJK1200426084 INV 2097430962.exe	HLCUJK1200426084 INV 2097430962.exe
PID 1472 wrote to memory of 1824	1472	HLCUJK1200426084 INV 2097430962.exe	HLCUJK1200426084 INV 2097430962.exe
PID 1472 wrote to memory of 1824	1472	HLCUJK1200426084 INV 2097430962.exe	HLCUJK1200426084 INV 2097430962.exe
PID 1472 wrote to memory of 1824	1472	HLCUJK1200426084 INV 2097430962.exe	HLCUJK1200426084 INV 2097430962.exe
PID 1472 wrote to memory of 1824	1472	HLCUJK1200426084 INV 2097430962.exe	HLCUJK1200426084 INV 2097430962.exe
PID 1472 wrote to memory of 1824	1472	HLCUJK1200426084 INV 2097430962.exe	HLCUJK1200426084 INV 2097430962.exe
PID 1472 wrote to memory of 1824	1472	HLCUJK1200426084 INV 2097430962.exe	HLCUJK1200426084 INV 2097430962.exe

C:\Users\Admin\AppData\Local\Temp\HLCUJK1200426084 INV 2097430962.exe
"C:\Users\Admin\AppData\Local\Temp\HLCUJK1200426084 INV 2097430962.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1472

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JHZJuwQmU" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA66E.tmp"
2⤵
- Creates scheduled task(s)
PID:1732

C:\Users\Admin\AppData\Local\Temp\HLCUJK1200426084 INV 2097430962.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
PID:1824

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpA66E.tmp

Filesize
1KB

MD5
2bd60c230e945b2de4d4844c9aed5bf0

SHA1
19d6020bbdc93b01995cbebef8aa14313c18ec36

SHA256
294f873428b9775c92f4d46af0d735b091e32ade41f06dc8a60789ee54369da6

SHA512
16a9c2950892c0e04a80d6e0cb53b978e6c6d2417119922ae6b4c15de6db3c9726a5a522572048d640a9f5cbb5fbb5ae615d7aa48b48b1a43ce0496979682f8e

Download Submit
memory/1472-54-0x0000000074F21000-0x0000000074F23000-memory.dmp

Filesize
8KB

Download
memory/1472-55-0x0000000074290000-0x000000007483B000-memory.dmp

Filesize
5.7MB

Download
memory/1732-56-0x0000000000000000-mapping.dmp

Download
memory/1824-61-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1824-59-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1824-58-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1824-62-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1824-64-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1824-65-0x000000000041E792-mapping.dmp

Download
memory/1824-67-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1824-69-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1824-71-0x0000000074290000-0x000000007483B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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