nanocore | 37ca9522c5869da5acdabc94eeafdfd9a85ef8c1b4be95b9e066cab15c99d9cd

General

Target

c08170c78fc4f61a17deabc73ef762c0N.exe
Size

280KB
MD5

c08170c78fc4f61a17deabc73ef762c0
SHA1

62186182edd97b12d2f56f613d5288875138e11b
SHA256

37ca9522c5869da5acdabc94eeafdfd9a85ef8c1b4be95b9e066cab15c99d9cd
SHA512

dcdb0847494a7c95b35a0a6709f71a28f0e02080a9231c42f6a1dad742d359f9d00bcf1730535dea9310a3581ad3116719feef0557991fedcd1bb00390073372
SSDEEP

6144:boy5p178U0MURaGyNXYWQzHazRfXrwSRnWwhrQ66fKkfw:boSeGUA5YZazpXUmZhZ6Sp

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

sysupdate24.ddns.net:45400

Mutex

ae82ab7f-db07-49ee-9d2b-76075d76f37f

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
buffer_size
65535
build_time
2020-04-24T17:41:53.492468936Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
45400
default_group
Default
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
ae82ab7f-db07-49ee-9d2b-76075d76f37f
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
sysupdate24.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 2 IoCs

Processes:

a1punf5t2of.exea1punf5t2of.exe

pid process

2392 a1punf5t2of.exe
1912 a1punf5t2of.exe
Loads dropped DLL 2 IoCs

Processes:

c08170c78fc4f61a17deabc73ef762c0N.exea1punf5t2of.exe

pid process

2720 c08170c78fc4f61a17deabc73ef762c0N.exe
2392 a1punf5t2of.exe

pid	process
2392	a1punf5t2of.exe
1912	a1punf5t2of.exe

pid	process
2720	c08170c78fc4f61a17deabc73ef762c0N.exe
2392	a1punf5t2of.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

c08170c78fc4f61a17deabc73ef762c0N.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\b1b2dqljdx3 = "C:\\Users\\Admin\\AppData\\Roaming\\b1b2dqljdx3\\a1punf5t2of.exe"	c08170c78fc4f61a17deabc73ef762c0N.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

a1punf5t2of.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA a1punf5t2of.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

a1punf5t2of.exe

description pid process target process

PID 2392 set thread context of 1912 2392 a1punf5t2of.exe a1punf5t2of.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	a1punf5t2of.exe

description	pid	process	target process
PID 2392 set thread context of 1912	2392	a1punf5t2of.exe	a1punf5t2of.exe

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

c08170c78fc4f61a17deabc73ef762c0N.exea1punf5t2of.exea1punf5t2of.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c08170c78fc4f61a17deabc73ef762c0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a1punf5t2of.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a1punf5t2of.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

a1punf5t2of.exe

pid process

1912 a1punf5t2of.exe
1912 a1punf5t2of.exe
1912 a1punf5t2of.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

a1punf5t2of.exe

pid process

1912 a1punf5t2of.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

a1punf5t2of.exe

description pid process

Token: SeDebugPrivilege 1912 a1punf5t2of.exe

pid	process
1912	a1punf5t2of.exe
1912	a1punf5t2of.exe
1912	a1punf5t2of.exe

pid	process
1912	a1punf5t2of.exe

description	pid	process
Token: SeDebugPrivilege	1912	a1punf5t2of.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

c08170c78fc4f61a17deabc73ef762c0N.exea1punf5t2of.exe

description	pid	process	target process
PID 2720 wrote to memory of 2392	2720	c08170c78fc4f61a17deabc73ef762c0N.exe	a1punf5t2of.exe
PID 2720 wrote to memory of 2392	2720	c08170c78fc4f61a17deabc73ef762c0N.exe	a1punf5t2of.exe
PID 2720 wrote to memory of 2392	2720	c08170c78fc4f61a17deabc73ef762c0N.exe	a1punf5t2of.exe
PID 2720 wrote to memory of 2392	2720	c08170c78fc4f61a17deabc73ef762c0N.exe	a1punf5t2of.exe
PID 2720 wrote to memory of 2392	2720	c08170c78fc4f61a17deabc73ef762c0N.exe	a1punf5t2of.exe
PID 2720 wrote to memory of 2392	2720	c08170c78fc4f61a17deabc73ef762c0N.exe	a1punf5t2of.exe
PID 2720 wrote to memory of 2392	2720	c08170c78fc4f61a17deabc73ef762c0N.exe	a1punf5t2of.exe
PID 2392 wrote to memory of 1912	2392	a1punf5t2of.exe	a1punf5t2of.exe
PID 2392 wrote to memory of 1912	2392	a1punf5t2of.exe	a1punf5t2of.exe
PID 2392 wrote to memory of 1912	2392	a1punf5t2of.exe	a1punf5t2of.exe
PID 2392 wrote to memory of 1912	2392	a1punf5t2of.exe	a1punf5t2of.exe
PID 2392 wrote to memory of 1912	2392	a1punf5t2of.exe	a1punf5t2of.exe
PID 2392 wrote to memory of 1912	2392	a1punf5t2of.exe	a1punf5t2of.exe
PID 2392 wrote to memory of 1912	2392	a1punf5t2of.exe	a1punf5t2of.exe
PID 2392 wrote to memory of 1912	2392	a1punf5t2of.exe	a1punf5t2of.exe
PID 2392 wrote to memory of 1912	2392	a1punf5t2of.exe	a1punf5t2of.exe
PID 2392 wrote to memory of 1912	2392	a1punf5t2of.exe	a1punf5t2of.exe
PID 2392 wrote to memory of 1912	2392	a1punf5t2of.exe	a1punf5t2of.exe
PID 2392 wrote to memory of 1912	2392	a1punf5t2of.exe	a1punf5t2of.exe

C:\Users\Admin\AppData\Local\Temp\c08170c78fc4f61a17deabc73ef762c0N.exe
"C:\Users\Admin\AppData\Local\Temp\c08170c78fc4f61a17deabc73ef762c0N.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2720

C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
"C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2392

C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
"C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"
3⤵
- Executes dropped EXE
- Checks whether UAC is enabled
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:1912

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe

Filesize
280KB

MD5
e1e0af0b6de6220642ecb16c20000727

SHA1
480a694cc29b2c54631a9856f3aeeb0e77bac9bc

SHA256
597e201c840c6a9786fde0060cf27e23185d522d11b063d274da3d300d919735

SHA512
3e6c11c67f0815602e49cdb40b5b341e13c45ae185eaa3d16b8110c3453cd696b25f16b58ff2fa09766fcb0fc8565387f61757eb83052df137ac70bafd09ab70

Download Submit
memory/1912-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1912-24-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1912-35-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1912-33-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1912-19-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1912-17-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1912-21-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1912-27-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2392-13-0x0000000074B10000-0x00000000750BB000-memory.dmp

Filesize
5.7MB

Download
memory/2392-14-0x0000000074B10000-0x00000000750BB000-memory.dmp

Filesize
5.7MB

Download
memory/2392-15-0x0000000074B10000-0x00000000750BB000-memory.dmp

Filesize
5.7MB

Download
memory/2392-38-0x0000000074B10000-0x00000000750BB000-memory.dmp

Filesize
5.7MB

Download
memory/2392-37-0x0000000074B10000-0x00000000750BB000-memory.dmp

Filesize
5.7MB

Download
memory/2720-12-0x0000000074B10000-0x00000000750BB000-memory.dmp

Filesize
5.7MB

Download
memory/2720-0-0x0000000074B11000-0x0000000074B12000-memory.dmp

Filesize
4KB

Download
memory/2720-1-0x0000000074B10000-0x00000000750BB000-memory.dmp

Filesize
5.7MB

Download
memory/2720-3-0x0000000074B10000-0x00000000750BB000-memory.dmp

Filesize
5.7MB

Download
memory/2720-2-0x0000000074B10000-0x00000000750BB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads