nanocore | 36dd20d95fd9bf6ad32c3f80db33fc5710d3bcd23d9d3762b793e572b605b57d

General

Target

36dd20d95fd9bf6ad32c3f80db33fc5710d3bcd23d9d3762b793e572b605b57d.exe
Size

281KB
MD5

7dd161c567f8182658d9fa7c662075f4
SHA1

71e878c006cba98cf0e685721ec593f572787f2b
SHA256

36dd20d95fd9bf6ad32c3f80db33fc5710d3bcd23d9d3762b793e572b605b57d
SHA512

497a21c515744bc10c53bb83af43caffec6879561ea76f3dc8660cb80b0944d9c3e8411b98fbf6321208ed48c344a9919b659f6f448ecc3f7ca489a4776eb763
SSDEEP

6144:boy5p178U0MURaGyNXYWQzHazRfXrwSRnWwhrQ66f8:boSeGUA5YZazpXUmZhZ6U

Score

10^/10

nanocore defense_evasion discovery 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
Nanocore family
nanocore

Executes dropped EXE 2 IoCs

pid	Process
2348	a1punf5t2of.exe
2900	a1punf5t2of.exe

Loads dropped DLL 2 IoCs

pid	Process
2340	36dd20d95fd9bf6ad32c3f80db33fc5710d3bcd23d9d3762b793e572b605b57d.exe
2348	a1punf5t2of.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\b1b2dqljdx3 = "C:\\Users\\Admin\\AppData\\Roaming\\b1b2dqljdx3\\a1punf5t2of.exe"	36dd20d95fd9bf6ad32c3f80db33fc5710d3bcd23d9d3762b793e572b605b57d.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

defense_evasion trojan

System Information Discovery

T1082

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2348 set thread context of 2900	2348	a1punf5t2of.exe	32

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	36dd20d95fd9bf6ad32c3f80db33fc5710d3bcd23d9d3762b793e572b605b57d.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

pid	Process
2900	a1punf5t2of.exe
2900	a1punf5t2of.exe
2900	a1punf5t2of.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2900	a1punf5t2of.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2900	a1punf5t2of.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2340 wrote to memory of 2348	2340	36dd20d95fd9bf6ad32c3f80db33fc5710d3bcd23d9d3762b793e572b605b57d.exe	31
PID 2340 wrote to memory of 2348	2340	36dd20d95fd9bf6ad32c3f80db33fc5710d3bcd23d9d3762b793e572b605b57d.exe	31
PID 2340 wrote to memory of 2348	2340	36dd20d95fd9bf6ad32c3f80db33fc5710d3bcd23d9d3762b793e572b605b57d.exe	31
PID 2340 wrote to memory of 2348	2340	36dd20d95fd9bf6ad32c3f80db33fc5710d3bcd23d9d3762b793e572b605b57d.exe	31
PID 2340 wrote to memory of 2348	2340	36dd20d95fd9bf6ad32c3f80db33fc5710d3bcd23d9d3762b793e572b605b57d.exe	31
PID 2340 wrote to memory of 2348	2340	36dd20d95fd9bf6ad32c3f80db33fc5710d3bcd23d9d3762b793e572b605b57d.exe	31
PID 2340 wrote to memory of 2348	2340	36dd20d95fd9bf6ad32c3f80db33fc5710d3bcd23d9d3762b793e572b605b57d.exe	31
PID 2348 wrote to memory of 2900	2348	a1punf5t2of.exe	32
PID 2348 wrote to memory of 2900	2348	a1punf5t2of.exe	32
PID 2348 wrote to memory of 2900	2348	a1punf5t2of.exe	32
PID 2348 wrote to memory of 2900	2348	a1punf5t2of.exe	32
PID 2348 wrote to memory of 2900	2348	a1punf5t2of.exe	32
PID 2348 wrote to memory of 2900	2348	a1punf5t2of.exe	32
PID 2348 wrote to memory of 2900	2348	a1punf5t2of.exe	32
PID 2348 wrote to memory of 2900	2348	a1punf5t2of.exe	32
PID 2348 wrote to memory of 2900	2348	a1punf5t2of.exe	32
PID 2348 wrote to memory of 2900	2348	a1punf5t2of.exe	32
PID 2348 wrote to memory of 2900	2348	a1punf5t2of.exe	32
PID 2348 wrote to memory of 2900	2348	a1punf5t2of.exe	32

C:\Users\Admin\AppData\Local\Temp\36dd20d95fd9bf6ad32c3f80db33fc5710d3bcd23d9d3762b793e572b605b57d.exe
"C:\Users\Admin\AppData\Local\Temp\36dd20d95fd9bf6ad32c3f80db33fc5710d3bcd23d9d3762b793e572b605b57d.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2340
- 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:2348
- - 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:2900

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

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

Filesize
281KB

MD5
f3da9f45bac6f5bd1972529dc60c2680

SHA1
7ad8e58e28fb83f9cb0f513273cdae5713ebb0fe

SHA256
285b2e3aff6f23c3ce5a264170f314862807fb5ac856020dba76da4f70f9644c

SHA512
41e6a17f3de335f3345e7767798ee60afe845bea9e4c919be2106f356df1f0e46c8aa2dbcf69969943e065a8209a0ce55b9a66efd25709070bbd11e079093b0e

Download Submit
memory/2340-15-0x00000000749E0000-0x0000000074F8B000-memory.dmp

Filesize
5.7MB

Download
memory/2340-1-0x00000000749E0000-0x0000000074F8B000-memory.dmp

Filesize
5.7MB

Download
memory/2340-2-0x00000000749E0000-0x0000000074F8B000-memory.dmp

Filesize
5.7MB

Download
memory/2340-3-0x00000000749E0000-0x0000000074F8B000-memory.dmp

Filesize
5.7MB

Download
memory/2340-4-0x00000000749E0000-0x0000000074F8B000-memory.dmp

Filesize
5.7MB

Download
memory/2340-5-0x00000000749E0000-0x0000000074F8B000-memory.dmp

Filesize
5.7MB

Download
memory/2340-6-0x00000000749E0000-0x0000000074F8B000-memory.dmp

Filesize
5.7MB

Download
memory/2340-0-0x00000000749E1000-0x00000000749E2000-memory.dmp

Filesize
4KB

Download
memory/2348-19-0x00000000749E0000-0x0000000074F8B000-memory.dmp

Filesize
5.7MB

Download
memory/2348-17-0x00000000749E0000-0x0000000074F8B000-memory.dmp

Filesize
5.7MB

Download
memory/2348-18-0x00000000749E0000-0x0000000074F8B000-memory.dmp

Filesize
5.7MB

Download
memory/2348-16-0x00000000749E0000-0x0000000074F8B000-memory.dmp

Filesize
5.7MB

Download
memory/2348-20-0x00000000749E0000-0x0000000074F8B000-memory.dmp

Filesize
5.7MB

Download
memory/2348-21-0x00000000749E0000-0x0000000074F8B000-memory.dmp

Filesize
5.7MB

Download
memory/2348-22-0x00000000749E0000-0x0000000074F8B000-memory.dmp

Filesize
5.7MB

Download
memory/2348-23-0x00000000749E0000-0x0000000074F8B000-memory.dmp

Filesize
5.7MB

Download
memory/2348-40-0x00000000749E0000-0x0000000074F8B000-memory.dmp

Filesize
5.7MB

Download
memory/2900-31-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2900-29-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2900-27-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2900-26-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2900-25-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2900-38-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2900-37-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2900-32-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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