nanocore | 9aa77b88ba4d8ebb94730187ac90d82fb9f6ce4065f033d1f4a1cec1da06a120

General

Target

510_0107_2022.exe
Size

593KB
MD5

a4085ca94004fc6cc015a61a94f50726
SHA1

baea2a34fa89132d48c0ebde766f8d55d2484105
SHA256

9aa77b88ba4d8ebb94730187ac90d82fb9f6ce4065f033d1f4a1cec1da06a120
SHA512

7b149139748395bd7c638c220407fe582bd4344a784af7d594c51bc2b912143ea1d1da17566b80cc93cc3e825a9538f9eee8861cce72d2137dc34f0acf77448e

Score

10^/10

nanocore evasion keylogger persistence spyware stealer suricata trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

xp230522.ddns.net:1990

Mutex

5588416c-95e1-4cee-a1f2-2062b5655327

Attributes

activate_away_mode
true
backup_connection_host
xp230522.ddns.net
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2022-03-04T22:49:03.870407136Z
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
1990
default_group
XP
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
5588416c-95e1-4cee-a1f2-2062b5655327
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
xp230522.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
suricata: ET MALWARE Possible NanoCore C2 60B
suricata: ET MALWARE Possible NanoCore C2 60B
suricata

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

510_0107_2022.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"	510_0107_2022.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

510_0107_2022.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 510_0107_2022.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

510_0107_2022.exe

description pid process target process

PID 1308 set thread context of 1536 1308 510_0107_2022.exe 510_0107_2022.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	510_0107_2022.exe

description	pid	process	target process
PID 1308 set thread context of 1536	1308	510_0107_2022.exe	510_0107_2022.exe

Drops file in Program Files directory 2 IoCs

Processes:

510_0107_2022.exe

description	ioc	process
File created	C:\Program Files (x86)\DSL Service\dslsv.exe	510_0107_2022.exe
File opened for modification	C:\Program Files (x86)\DSL Service\dslsv.exe	510_0107_2022.exe

Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exe

pid process

1652 schtasks.exe
1020 schtasks.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

510_0107_2022.exe

pid process

1536 510_0107_2022.exe
1536 510_0107_2022.exe
1536 510_0107_2022.exe
1536 510_0107_2022.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

510_0107_2022.exe

pid process

1536 510_0107_2022.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

510_0107_2022.exe

description pid process

Token: SeDebugPrivilege 1536 510_0107_2022.exe

pid	process
1652	schtasks.exe
1020	schtasks.exe

pid	process
1536	510_0107_2022.exe
1536	510_0107_2022.exe
1536	510_0107_2022.exe
1536	510_0107_2022.exe

pid	process
1536	510_0107_2022.exe

description	pid	process
Token: SeDebugPrivilege	1536	510_0107_2022.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

510_0107_2022.exe510_0107_2022.exe

description	pid	process	target process
PID 1308 wrote to memory of 1536	1308	510_0107_2022.exe	510_0107_2022.exe
PID 1308 wrote to memory of 1536	1308	510_0107_2022.exe	510_0107_2022.exe
PID 1308 wrote to memory of 1536	1308	510_0107_2022.exe	510_0107_2022.exe
PID 1308 wrote to memory of 1536	1308	510_0107_2022.exe	510_0107_2022.exe
PID 1308 wrote to memory of 1536	1308	510_0107_2022.exe	510_0107_2022.exe
PID 1308 wrote to memory of 1536	1308	510_0107_2022.exe	510_0107_2022.exe
PID 1308 wrote to memory of 1536	1308	510_0107_2022.exe	510_0107_2022.exe
PID 1308 wrote to memory of 1536	1308	510_0107_2022.exe	510_0107_2022.exe
PID 1308 wrote to memory of 1536	1308	510_0107_2022.exe	510_0107_2022.exe
PID 1536 wrote to memory of 1652	1536	510_0107_2022.exe	schtasks.exe
PID 1536 wrote to memory of 1652	1536	510_0107_2022.exe	schtasks.exe
PID 1536 wrote to memory of 1652	1536	510_0107_2022.exe	schtasks.exe
PID 1536 wrote to memory of 1652	1536	510_0107_2022.exe	schtasks.exe
PID 1536 wrote to memory of 1020	1536	510_0107_2022.exe	schtasks.exe
PID 1536 wrote to memory of 1020	1536	510_0107_2022.exe	schtasks.exe
PID 1536 wrote to memory of 1020	1536	510_0107_2022.exe	schtasks.exe
PID 1536 wrote to memory of 1020	1536	510_0107_2022.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\510_0107_2022.exe
"C:\Users\Admin\AppData\Local\Temp\510_0107_2022.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1308

C:\Users\Admin\AppData\Local\Temp\510_0107_2022.exe
"C:\Users\Admin\AppData\Local\Temp\510_0107_2022.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
- Suspicious use of WriteProcessMemory
PID:1536

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DSL Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp8132.tmp"
3⤵
- Creates scheduled task(s)
PID:1652

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DSL Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp88A2.tmp"
3⤵
- Creates scheduled task(s)
PID:1020

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp8132.tmp
Filesize
1KB

MD5
129452b42a3c436d6e9538498d57b82f

SHA1
bc5e2834ffa73fefbd810ccd0fba8212041682ca

SHA256
844870de3d3cc4ae3022f5d0081b6cf03b70128cf06410b8e7bc9cf6d27eb7ab

SHA512
cae8d93db8a189aded254121482a8635d62b4ceb854e2c8a33fc872425916ee048f7059e357f062b4554c7384f5d1da9510c08bcd379275dcbcd931977cdaea5

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp88A2.tmp
Filesize
1KB

MD5
afb71a33ece3758f782f052bbe5da94f

SHA1
e69b9070ff52f81fdf01a40f775d021e4b4e71e4

SHA256
abd73bfca8458750ee751d4c6c106d54dcf0969592f476acc64ab0d7f2bb1978

SHA512
22c45992ca358ca9d4605ac426b65903b11b27db1b9c608739245dc412aa256d0908566626b3cfdafb32fca0809bf46c8824ab98cea7b7662216c915e6ef013f

Download Submit
memory/1020-75-0x0000000000000000-mapping.dmp

Download
memory/1308-55-0x0000000075261000-0x0000000075263000-memory.dmp

Filesize
8KB

Download
memory/1308-56-0x0000000000240000-0x0000000000256000-memory.dmp

Filesize
88KB

Download
memory/1308-57-0x00000000002B0000-0x00000000002BA000-memory.dmp

Filesize
40KB

Download
memory/1308-58-0x0000000005010000-0x0000000005082000-memory.dmp

Filesize
456KB

Download
memory/1308-59-0x0000000000720000-0x000000000075A000-memory.dmp

Filesize
232KB

Download
memory/1308-54-0x00000000002D0000-0x000000000036A000-memory.dmp

Filesize
616KB

Download
memory/1536-63-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1536-79-0x00000000003F0000-0x00000000003FA000-memory.dmp

Filesize
40KB

Download
memory/1536-67-0x000000000041E792-mapping.dmp

Download
memory/1536-69-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1536-71-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1536-91-0x00000000022B0000-0x00000000022C4000-memory.dmp

Filesize
80KB

Download
memory/1536-64-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1536-61-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1536-60-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1536-77-0x00000000003E0000-0x00000000003EA000-memory.dmp

Filesize
40KB

Download
memory/1536-78-0x0000000000780000-0x000000000079E000-memory.dmp

Filesize
120KB

Download
memory/1536-66-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1536-80-0x0000000000460000-0x0000000000472000-memory.dmp

Filesize
72KB

Download
memory/1536-81-0x00000000007A0000-0x00000000007BA000-memory.dmp

Filesize
104KB

Download
memory/1536-82-0x0000000000760000-0x000000000076E000-memory.dmp

Filesize
56KB

Download
memory/1536-83-0x0000000000810000-0x0000000000822000-memory.dmp

Filesize
72KB

Download
memory/1536-84-0x00000000009C0000-0x00000000009CC000-memory.dmp

Filesize
48KB

Download
memory/1536-85-0x0000000001FA0000-0x0000000001FAE000-memory.dmp

Filesize
56KB

Download
memory/1536-86-0x0000000001FB0000-0x0000000001FC4000-memory.dmp

Filesize
80KB

Download
memory/1536-87-0x0000000002000000-0x0000000002010000-memory.dmp

Filesize
64KB

Download
memory/1536-88-0x0000000002010000-0x0000000002024000-memory.dmp

Filesize
80KB

Download
memory/1536-89-0x0000000002110000-0x000000000211E000-memory.dmp

Filesize
56KB

Download
memory/1536-90-0x0000000004CA0000-0x0000000004CCE000-memory.dmp

Filesize
184KB

Download
memory/1652-73-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads