nanocore | 6c8323c44607affbe1867da922596d8de8a603d84e2246480f723f5de281571e

General

Target

6c8323c44607affbe1867da922596d8de8a603d84e2246480f723f5de281571eN.exe
Size

279KB
MD5

f4d274498be04ebbd302308d76f046f0
SHA1

d2e92b471f96b5a613d392f2003766696d444786
SHA256

6c8323c44607affbe1867da922596d8de8a603d84e2246480f723f5de281571e
SHA512

9883bd28d4c6b45718b1a92a6f469ef09c0f0bfd7e5f378681fb01b664771a7b3f43173766edc08ea02c2ace877a63865a56c11caa3666c5c407db1b77acce38
SSDEEP

6144:boy5p178U0MURaGyNXYWQzHazRfXrwSRnWwhrQ66fD:boSeGUA5YZazpXUmZhZ67

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
Nanocore family
nanocore

Executes dropped EXE 2 IoCs

pid	Process
2120	a1punf5t2of.exe
2760	a1punf5t2of.exe

Loads dropped DLL 2 IoCs

pid	Process
1508	6c8323c44607affbe1867da922596d8de8a603d84e2246480f723f5de281571eN.exe
2120	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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\b1b2dqljdx3 = "C:\\Users\\Admin\\AppData\\Roaming\\b1b2dqljdx3\\a1punf5t2of.exe"	6c8323c44607affbe1867da922596d8de8a603d84e2246480f723f5de281571eN.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

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 2120 set thread context of 2760	2120	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	6c8323c44607affbe1867da922596d8de8a603d84e2246480f723f5de281571eN.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
2760	a1punf5t2of.exe
2760	a1punf5t2of.exe
2760	a1punf5t2of.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2760	a1punf5t2of.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2760	a1punf5t2of.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1508 wrote to memory of 2120	1508	6c8323c44607affbe1867da922596d8de8a603d84e2246480f723f5de281571eN.exe	31
PID 1508 wrote to memory of 2120	1508	6c8323c44607affbe1867da922596d8de8a603d84e2246480f723f5de281571eN.exe	31
PID 1508 wrote to memory of 2120	1508	6c8323c44607affbe1867da922596d8de8a603d84e2246480f723f5de281571eN.exe	31
PID 1508 wrote to memory of 2120	1508	6c8323c44607affbe1867da922596d8de8a603d84e2246480f723f5de281571eN.exe	31
PID 1508 wrote to memory of 2120	1508	6c8323c44607affbe1867da922596d8de8a603d84e2246480f723f5de281571eN.exe	31
PID 1508 wrote to memory of 2120	1508	6c8323c44607affbe1867da922596d8de8a603d84e2246480f723f5de281571eN.exe	31
PID 1508 wrote to memory of 2120	1508	6c8323c44607affbe1867da922596d8de8a603d84e2246480f723f5de281571eN.exe	31
PID 2120 wrote to memory of 2760	2120	a1punf5t2of.exe	32
PID 2120 wrote to memory of 2760	2120	a1punf5t2of.exe	32
PID 2120 wrote to memory of 2760	2120	a1punf5t2of.exe	32
PID 2120 wrote to memory of 2760	2120	a1punf5t2of.exe	32
PID 2120 wrote to memory of 2760	2120	a1punf5t2of.exe	32
PID 2120 wrote to memory of 2760	2120	a1punf5t2of.exe	32
PID 2120 wrote to memory of 2760	2120	a1punf5t2of.exe	32
PID 2120 wrote to memory of 2760	2120	a1punf5t2of.exe	32
PID 2120 wrote to memory of 2760	2120	a1punf5t2of.exe	32
PID 2120 wrote to memory of 2760	2120	a1punf5t2of.exe	32
PID 2120 wrote to memory of 2760	2120	a1punf5t2of.exe	32
PID 2120 wrote to memory of 2760	2120	a1punf5t2of.exe	32

C:\Users\Admin\AppData\Local\Temp\6c8323c44607affbe1867da922596d8de8a603d84e2246480f723f5de281571eN.exe
"C:\Users\Admin\AppData\Local\Temp\6c8323c44607affbe1867da922596d8de8a603d84e2246480f723f5de281571eN.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1508
- 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:2120
- - 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:2760

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
279KB

MD5
1269e97741a69105a39615df1456a532

SHA1
579db00169cb41098e0366451289cfb86bd1b81f

SHA256
9aca9b63c135c1478c9d0a36032f3a1a85bb199cd73da68e08b355faac26d6e2

SHA512
e5e1133e6cf092d0962ea6f9aca995549c99886f75587e197cf9fa802b223957afd3f19d85e6c9d294283bc0cefb3ced0eb5cffc3680fe69db7cc0e66cb1009f

Download Submit
memory/1508-0-0x0000000073FE1000-0x0000000073FE2000-memory.dmp

Filesize
4KB

Download
memory/1508-1-0x0000000073FE0000-0x000000007458B000-memory.dmp

Filesize
5.7MB

Download
memory/1508-2-0x0000000073FE0000-0x000000007458B000-memory.dmp

Filesize
5.7MB

Download
memory/1508-3-0x0000000073FE0000-0x000000007458B000-memory.dmp

Filesize
5.7MB

Download
memory/1508-4-0x0000000073FE0000-0x000000007458B000-memory.dmp

Filesize
5.7MB

Download
memory/1508-5-0x0000000073FE0000-0x000000007458B000-memory.dmp

Filesize
5.7MB

Download
memory/1508-6-0x0000000073FE0000-0x000000007458B000-memory.dmp

Filesize
5.7MB

Download
memory/1508-15-0x0000000073FE0000-0x000000007458B000-memory.dmp

Filesize
5.7MB

Download
memory/2120-19-0x0000000073FE0000-0x000000007458B000-memory.dmp

Filesize
5.7MB

Download
memory/2120-17-0x0000000073FE0000-0x000000007458B000-memory.dmp

Filesize
5.7MB

Download
memory/2120-16-0x0000000073FE0000-0x000000007458B000-memory.dmp

Filesize
5.7MB

Download
memory/2120-18-0x0000000073FE0000-0x000000007458B000-memory.dmp

Filesize
5.7MB

Download
memory/2120-20-0x0000000073FE0000-0x000000007458B000-memory.dmp

Filesize
5.7MB

Download
memory/2120-21-0x0000000073FE0000-0x000000007458B000-memory.dmp

Filesize
5.7MB

Download
memory/2120-43-0x0000000073FE0000-0x000000007458B000-memory.dmp

Filesize
5.7MB

Download
memory/2760-39-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2760-34-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2760-33-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2760-30-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2760-27-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2760-25-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2760-23-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2760-41-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads