nanocore | 9c3040ca61e8077421eb91863e878a6b6f560d41eda8a19e5e5169c166ae9f24

General

Target

9c3040ca61e8077421eb91863e878a6b6f560d41eda8a19e5e5169c166ae9f24.exe
Size

277KB
MD5

e3c449efcf083a41135b8f91b0db6ae9
SHA1

42974a98338d5c267d4115b2e66699b5313812b3
SHA256

9c3040ca61e8077421eb91863e878a6b6f560d41eda8a19e5e5169c166ae9f24
SHA512

15e762c54b058838d32e9fcebe66ea829a6e4672563bd79f72eb7266df4a16b58c1a27981a3d77cca26ee5cc8cff7637bddedc3412bfc3fca8c2d605146b74af
SSDEEP

6144:boy5p178U0MURaGyNXYWQzHazRfXrwSRnWwhrQ66fY:boSeGUA5YZazpXUmZhZ6A

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

pid	Process
2736	a1punf5t2of.exe
2652	a1punf5t2of.exe

Loads dropped DLL 2 IoCs

pid	Process
2068	9c3040ca61e8077421eb91863e878a6b6f560d41eda8a19e5e5169c166ae9f24.exe
2736	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-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\b1b2dqljdx3 = "C:\\Users\\Admin\\AppData\\Roaming\\b1b2dqljdx3\\a1punf5t2of.exe"	9c3040ca61e8077421eb91863e878a6b6f560d41eda8a19e5e5169c166ae9f24.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 2736 set thread context of 2652	2736	a1punf5t2of.exe	30

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	a1punf5t2of.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a1punf5t2of.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9c3040ca61e8077421eb91863e878a6b6f560d41eda8a19e5e5169c166ae9f24.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2652	a1punf5t2of.exe
2652	a1punf5t2of.exe
2652	a1punf5t2of.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2652	a1punf5t2of.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2652	a1punf5t2of.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2068 wrote to memory of 2736	2068	9c3040ca61e8077421eb91863e878a6b6f560d41eda8a19e5e5169c166ae9f24.exe	29
PID 2068 wrote to memory of 2736	2068	9c3040ca61e8077421eb91863e878a6b6f560d41eda8a19e5e5169c166ae9f24.exe	29
PID 2068 wrote to memory of 2736	2068	9c3040ca61e8077421eb91863e878a6b6f560d41eda8a19e5e5169c166ae9f24.exe	29
PID 2068 wrote to memory of 2736	2068	9c3040ca61e8077421eb91863e878a6b6f560d41eda8a19e5e5169c166ae9f24.exe	29
PID 2068 wrote to memory of 2736	2068	9c3040ca61e8077421eb91863e878a6b6f560d41eda8a19e5e5169c166ae9f24.exe	29
PID 2068 wrote to memory of 2736	2068	9c3040ca61e8077421eb91863e878a6b6f560d41eda8a19e5e5169c166ae9f24.exe	29
PID 2068 wrote to memory of 2736	2068	9c3040ca61e8077421eb91863e878a6b6f560d41eda8a19e5e5169c166ae9f24.exe	29
PID 2736 wrote to memory of 2652	2736	a1punf5t2of.exe	30
PID 2736 wrote to memory of 2652	2736	a1punf5t2of.exe	30
PID 2736 wrote to memory of 2652	2736	a1punf5t2of.exe	30
PID 2736 wrote to memory of 2652	2736	a1punf5t2of.exe	30
PID 2736 wrote to memory of 2652	2736	a1punf5t2of.exe	30
PID 2736 wrote to memory of 2652	2736	a1punf5t2of.exe	30
PID 2736 wrote to memory of 2652	2736	a1punf5t2of.exe	30
PID 2736 wrote to memory of 2652	2736	a1punf5t2of.exe	30
PID 2736 wrote to memory of 2652	2736	a1punf5t2of.exe	30
PID 2736 wrote to memory of 2652	2736	a1punf5t2of.exe	30
PID 2736 wrote to memory of 2652	2736	a1punf5t2of.exe	30
PID 2736 wrote to memory of 2652	2736	a1punf5t2of.exe	30

C:\Users\Admin\AppData\Local\Temp\9c3040ca61e8077421eb91863e878a6b6f560d41eda8a19e5e5169c166ae9f24.exe
"C:\Users\Admin\AppData\Local\Temp\9c3040ca61e8077421eb91863e878a6b6f560d41eda8a19e5e5169c166ae9f24.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2068
- 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:2736
- - 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:2652

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
278KB

MD5
19bd5c9f536454d67753ec72a38aed2d

SHA1
306099a5960fa4ea43ebc6e63c5f2f24ca810e84

SHA256
603ca628436256d66c3ce1c3f132b9ae0cc974cd449b6fbc177ade7c24afc6c8

SHA512
3f2d3489a9cc49eeae4aeec974ef95288b56ca58c4e4a81cafa0b5b6c7aba71d90f551547157bceade209da978c77544760c764582f848db064c8a76b21d77d8

Download Submit
memory/2068-15-0x0000000074A00000-0x0000000074FAB000-memory.dmp

Filesize
5.7MB

Download
memory/2068-1-0x0000000074A00000-0x0000000074FAB000-memory.dmp

Filesize
5.7MB

Download
memory/2068-2-0x0000000074A00000-0x0000000074FAB000-memory.dmp

Filesize
5.7MB

Download
memory/2068-3-0x0000000074A00000-0x0000000074FAB000-memory.dmp

Filesize
5.7MB

Download
memory/2068-4-0x0000000074A00000-0x0000000074FAB000-memory.dmp

Filesize
5.7MB

Download
memory/2068-5-0x0000000074A00000-0x0000000074FAB000-memory.dmp

Filesize
5.7MB

Download
memory/2068-6-0x0000000074A00000-0x0000000074FAB000-memory.dmp

Filesize
5.7MB

Download
memory/2068-0-0x0000000074A01000-0x0000000074A02000-memory.dmp

Filesize
4KB

Download
memory/2652-28-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2652-32-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2652-30-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2652-33-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2652-38-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2652-40-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2652-24-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2652-26-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2736-22-0x0000000074A00000-0x0000000074FAB000-memory.dmp

Filesize
5.7MB

Download
memory/2736-16-0x0000000074A00000-0x0000000074FAB000-memory.dmp

Filesize
5.7MB

Download
memory/2736-17-0x0000000074A00000-0x0000000074FAB000-memory.dmp

Filesize
5.7MB

Download
memory/2736-21-0x0000000074A00000-0x0000000074FAB000-memory.dmp

Filesize
5.7MB

Download
memory/2736-20-0x0000000074A00000-0x0000000074FAB000-memory.dmp

Filesize
5.7MB

Download
memory/2736-19-0x0000000074A00000-0x0000000074FAB000-memory.dmp

Filesize
5.7MB

Download
memory/2736-18-0x0000000074A00000-0x0000000074FAB000-memory.dmp

Filesize
5.7MB

Download
memory/2736-42-0x0000000074A00000-0x0000000074FAB000-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