nanocore | 0b2a869538b0dae56ae80ba7a68baef4a2199c4883de2564ef433690142a1dec

General

Target

0b2a869538b0dae56ae80ba7a68baef4a2199c4883de2564ef433690142a1dec.exe
Size

414KB
MD5

a6b99250e1a387291a22be6e12a22f13
SHA1

a33c3a5a752a4c72413846a6fc60a5efc2b610c8
SHA256

0b2a869538b0dae56ae80ba7a68baef4a2199c4883de2564ef433690142a1dec
SHA512

3063437ef2777b6e19bbb92890eb02c36cf71fa4a7b11f19cd9b9448739351ae92cad61aa8b65f925faa493a719eeaff471f181bb92134e3c3af9fa75317c523
SSDEEP

6144:ITNE3ZRrnaBVlvphVxmP+6CiejgcME1cwYfU+va+RUt:ITNYrnE3bm/CiejewY5vO

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

asporturizm@ddns.net:46218

178.32.224.116:46218

Mutex

4af74541-e3f1-469c-8af7-efe4071b81cf

Attributes

activate_away_mode
false
backup_connection_host
178.32.224.116
backup_dns_server
buffer_size
65535
build_time
2018-07-28T12:59:38.488799236Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
false
clear_zone_identifier
false
connect_delay
4000
connection_port
46218
default_group
tourex
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
4af74541-e3f1-469c-8af7-efe4071b81cf
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
asporturizm@ddns.net
primary_dns_server
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
true
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
Executes dropped EXE 1 IoCs

Processes:

ximo2ubzn1i.exe

pid process

1044 ximo2ubzn1i.exe
Loads dropped DLL 1 IoCs

Processes:

0b2a869538b0dae56ae80ba7a68baef4a2199c4883de2564ef433690142a1dec.exe

pid process

1788 0b2a869538b0dae56ae80ba7a68baef4a2199c4883de2564ef433690142a1dec.exe

pid	process
1044	ximo2ubzn1i.exe

pid	process
1788	0b2a869538b0dae56ae80ba7a68baef4a2199c4883de2564ef433690142a1dec.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0b2a869538b0dae56ae80ba7a68baef4a2199c4883de2564ef433690142a1dec.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Windows\CurrentVersion\Run\c5e4gxfvd4v = "C:\\Users\\Admin\\AppData\\Roaming\\c5e4gxfvd4v\\ximo2ubzn1i.exe"	0b2a869538b0dae56ae80ba7a68baef4a2199c4883de2564ef433690142a1dec.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

regasm.exe

description ioc process

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

Processes:

ximo2ubzn1i.exe

description pid process target process

PID 1044 set thread context of 1420 1044 ximo2ubzn1i.exe regasm.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

regasm.exe

pid process

1420 regasm.exe
1420 regasm.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

regasm.exe

pid process

1420 regasm.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

regasm.exe

description pid process

Token: SeDebugPrivilege 1420 regasm.exe

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

description	pid	process	target process
PID 1044 set thread context of 1420	1044	ximo2ubzn1i.exe	regasm.exe

pid	process
1420	regasm.exe
1420	regasm.exe

pid	process
1420	regasm.exe

description	pid	process
Token: SeDebugPrivilege	1420	regasm.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

0b2a869538b0dae56ae80ba7a68baef4a2199c4883de2564ef433690142a1dec.exeximo2ubzn1i.exe

description	pid	process	target process
PID 1788 wrote to memory of 1044	1788	0b2a869538b0dae56ae80ba7a68baef4a2199c4883de2564ef433690142a1dec.exe	ximo2ubzn1i.exe
PID 1788 wrote to memory of 1044	1788	0b2a869538b0dae56ae80ba7a68baef4a2199c4883de2564ef433690142a1dec.exe	ximo2ubzn1i.exe
PID 1788 wrote to memory of 1044	1788	0b2a869538b0dae56ae80ba7a68baef4a2199c4883de2564ef433690142a1dec.exe	ximo2ubzn1i.exe
PID 1788 wrote to memory of 1044	1788	0b2a869538b0dae56ae80ba7a68baef4a2199c4883de2564ef433690142a1dec.exe	ximo2ubzn1i.exe
PID 1044 wrote to memory of 1420	1044	ximo2ubzn1i.exe	regasm.exe
PID 1044 wrote to memory of 1420	1044	ximo2ubzn1i.exe	regasm.exe
PID 1044 wrote to memory of 1420	1044	ximo2ubzn1i.exe	regasm.exe
PID 1044 wrote to memory of 1420	1044	ximo2ubzn1i.exe	regasm.exe
PID 1044 wrote to memory of 1420	1044	ximo2ubzn1i.exe	regasm.exe
PID 1044 wrote to memory of 1420	1044	ximo2ubzn1i.exe	regasm.exe
PID 1044 wrote to memory of 1420	1044	ximo2ubzn1i.exe	regasm.exe
PID 1044 wrote to memory of 1420	1044	ximo2ubzn1i.exe	regasm.exe
PID 1044 wrote to memory of 1420	1044	ximo2ubzn1i.exe	regasm.exe
PID 1044 wrote to memory of 1420	1044	ximo2ubzn1i.exe	regasm.exe
PID 1044 wrote to memory of 1420	1044	ximo2ubzn1i.exe	regasm.exe
PID 1044 wrote to memory of 1420	1044	ximo2ubzn1i.exe	regasm.exe

C:\Users\Admin\AppData\Local\Temp\0b2a869538b0dae56ae80ba7a68baef4a2199c4883de2564ef433690142a1dec.exe
"C:\Users\Admin\AppData\Local\Temp\0b2a869538b0dae56ae80ba7a68baef4a2199c4883de2564ef433690142a1dec.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1788

C:\Users\Admin\AppData\Roaming\c5e4gxfvd4v\ximo2ubzn1i.exe
"C:\Users\Admin\AppData\Roaming\c5e4gxfvd4v\ximo2ubzn1i.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1044

C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
3⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:1420

Network

MITRE ATT&CK Matrix ATT&CK 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

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\c5e4gxfvd4v\ximo2ubzn1i.exe
Filesize
414KB

MD5
40edcae6d041aa542f2f3dd39b674d2c

SHA1
1e3e4cd64b3cfaab312413294a4156a4e0f41756

SHA256
ec63ed9ff4224b9f9f11f90ff42e005b04394f92d1a38be9b97ca2dc6945e463

SHA512
98a961513ee70bf11b0cdbcc52d2d08f6b4edc91b646eb14ae74470dbe5fd7ae63510dd61b812292c960399b8d1f4007ae4f78c340305b9b49141a08e991ee61

Download Submit
C:\Users\Admin\AppData\Roaming\c5e4gxfvd4v\ximo2ubzn1i.exe
Filesize
414KB

MD5
40edcae6d041aa542f2f3dd39b674d2c

SHA1
1e3e4cd64b3cfaab312413294a4156a4e0f41756

SHA256
ec63ed9ff4224b9f9f11f90ff42e005b04394f92d1a38be9b97ca2dc6945e463

SHA512
98a961513ee70bf11b0cdbcc52d2d08f6b4edc91b646eb14ae74470dbe5fd7ae63510dd61b812292c960399b8d1f4007ae4f78c340305b9b49141a08e991ee61

Download Submit
\Users\Admin\AppData\Roaming\c5e4gxfvd4v\ximo2ubzn1i.exe
Filesize
414KB

MD5
40edcae6d041aa542f2f3dd39b674d2c

SHA1
1e3e4cd64b3cfaab312413294a4156a4e0f41756

SHA256
ec63ed9ff4224b9f9f11f90ff42e005b04394f92d1a38be9b97ca2dc6945e463

SHA512
98a961513ee70bf11b0cdbcc52d2d08f6b4edc91b646eb14ae74470dbe5fd7ae63510dd61b812292c960399b8d1f4007ae4f78c340305b9b49141a08e991ee61

Download Submit
memory/1044-67-0x0000000004A50000-0x0000000004A90000-memory.dmp

Filesize
256KB

Download
memory/1044-66-0x0000000000B10000-0x0000000000B7E000-memory.dmp

Filesize
440KB

Download
memory/1420-69-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1420-82-0x00000000003E0000-0x00000000003FE000-memory.dmp

Filesize
120KB

Download
memory/1420-86-0x0000000004F50000-0x0000000004F90000-memory.dmp

Filesize
256KB

Download
memory/1420-85-0x0000000004F50000-0x0000000004F90000-memory.dmp

Filesize
256KB

Download
memory/1420-68-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1420-84-0x0000000004F50000-0x0000000004F90000-memory.dmp

Filesize
256KB

Download
memory/1420-70-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1420-72-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1420-74-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1420-75-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1420-78-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1420-79-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1420-81-0x00000000002B0000-0x00000000002BA000-memory.dmp

Filesize
40KB

Download
memory/1420-83-0x00000000002C0000-0x00000000002CA000-memory.dmp

Filesize
40KB

Download
memory/1788-59-0x0000000000300000-0x0000000000340000-memory.dmp

Filesize
256KB

Download
memory/1788-54-0x0000000000E00000-0x0000000000E6E000-memory.dmp

Filesize
440KB

Download
memory/1788-55-0x0000000000300000-0x0000000000340000-memory.dmp

Filesize
256KB

Download
memory/1788-56-0x00000000006E0000-0x000000000071C000-memory.dmp

Filesize
240KB

Download

Analysis

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