nanocore | ea2a102a0c59bfec24a404070337d82f2f32457339264aea5784291ab11d079c

General

Target

ea2a102a0c59bfec24a404070337d82f2f32457339264aea5784291ab11d079c.exe
Size

282KB
MD5

1f2fa7137a179b847cb83874c8779daf
SHA1

63f6a1977b1b4a6b8393c3336499aa90cafdc221
SHA256

ea2a102a0c59bfec24a404070337d82f2f32457339264aea5784291ab11d079c
SHA512

e04a568fbe572009db6746f40075599d04dbce0d486eb546ce80d5195225f5cad6987cb1567eb0f34b2517d9aed73c352c56ef5d15e11f526de9a1f56d74fb61
SSDEEP

6144:boy5p178U0MURaGyNXYWQzHazRfXrwSRnWwhrQ66fKkfp9:boSeGUA5YZazpXUmZhZ6Se

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
2812	a1punf5t2of.exe
2624	a1punf5t2of.exe

Loads dropped DLL 2 IoCs

Processes:

ea2a102a0c59bfec24a404070337d82f2f32457339264aea5784291ab11d079c.exea1punf5t2of.exe

pid	Process
1992	ea2a102a0c59bfec24a404070337d82f2f32457339264aea5784291ab11d079c.exe
2812	a1punf5t2of.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

ea2a102a0c59bfec24a404070337d82f2f32457339264aea5784291ab11d079c.exe

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"	ea2a102a0c59bfec24a404070337d82f2f32457339264aea5784291ab11d079c.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	procid_target
PID 2812 set thread context of 2624	2812	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

Processes:

ea2a102a0c59bfec24a404070337d82f2f32457339264aea5784291ab11d079c.exea1punf5t2of.exea1punf5t2of.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ea2a102a0c59bfec24a404070337d82f2f32457339264aea5784291ab11d079c.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
2624	a1punf5t2of.exe
2624	a1punf5t2of.exe
2624	a1punf5t2of.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

a1punf5t2of.exe

pid	Process
2624	a1punf5t2of.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

a1punf5t2of.exe

description	pid	Process
Token: SeDebugPrivilege	2624	a1punf5t2of.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

ea2a102a0c59bfec24a404070337d82f2f32457339264aea5784291ab11d079c.exea1punf5t2of.exe

description	pid	Process	procid_target
PID 1992 wrote to memory of 2812	1992	ea2a102a0c59bfec24a404070337d82f2f32457339264aea5784291ab11d079c.exe	31
PID 1992 wrote to memory of 2812	1992	ea2a102a0c59bfec24a404070337d82f2f32457339264aea5784291ab11d079c.exe	31
PID 1992 wrote to memory of 2812	1992	ea2a102a0c59bfec24a404070337d82f2f32457339264aea5784291ab11d079c.exe	31
PID 1992 wrote to memory of 2812	1992	ea2a102a0c59bfec24a404070337d82f2f32457339264aea5784291ab11d079c.exe	31
PID 1992 wrote to memory of 2812	1992	ea2a102a0c59bfec24a404070337d82f2f32457339264aea5784291ab11d079c.exe	31
PID 1992 wrote to memory of 2812	1992	ea2a102a0c59bfec24a404070337d82f2f32457339264aea5784291ab11d079c.exe	31
PID 1992 wrote to memory of 2812	1992	ea2a102a0c59bfec24a404070337d82f2f32457339264aea5784291ab11d079c.exe	31
PID 2812 wrote to memory of 2624	2812	a1punf5t2of.exe	32
PID 2812 wrote to memory of 2624	2812	a1punf5t2of.exe	32
PID 2812 wrote to memory of 2624	2812	a1punf5t2of.exe	32
PID 2812 wrote to memory of 2624	2812	a1punf5t2of.exe	32
PID 2812 wrote to memory of 2624	2812	a1punf5t2of.exe	32
PID 2812 wrote to memory of 2624	2812	a1punf5t2of.exe	32
PID 2812 wrote to memory of 2624	2812	a1punf5t2of.exe	32
PID 2812 wrote to memory of 2624	2812	a1punf5t2of.exe	32
PID 2812 wrote to memory of 2624	2812	a1punf5t2of.exe	32
PID 2812 wrote to memory of 2624	2812	a1punf5t2of.exe	32
PID 2812 wrote to memory of 2624	2812	a1punf5t2of.exe	32
PID 2812 wrote to memory of 2624	2812	a1punf5t2of.exe	32

C:\Users\Admin\AppData\Local\Temp\ea2a102a0c59bfec24a404070337d82f2f32457339264aea5784291ab11d079c.exe
"C:\Users\Admin\AppData\Local\Temp\ea2a102a0c59bfec24a404070337d82f2f32457339264aea5784291ab11d079c.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1992
- 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:2812
- - 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:2624

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
282KB

MD5
9036fdc41c8d8c819f3833dc591ac11c

SHA1
e0a2fdf9f695c0dd25b5897f3831d218d4e9a83b

SHA256
92d269f6f9f88bdaf43e480533a3d1242b0731b3174c75b26e55b3f6b8b28436

SHA512
c44a14f2e37d1b6c04bf169642f26fe03a2ff63fea7bcdd1f47d56f736d8eec434b45d9a28c048ff1e29a2551db6892851aaeae916f306ea52f25443c219d3af

Download Submit
memory/1992-0-0x0000000074191000-0x0000000074192000-memory.dmp

Filesize
4KB

Download
memory/1992-1-0x0000000074190000-0x000000007473B000-memory.dmp

Filesize
5.7MB

Download
memory/1992-2-0x0000000074190000-0x000000007473B000-memory.dmp

Filesize
5.7MB

Download
memory/1992-3-0x0000000074190000-0x000000007473B000-memory.dmp

Filesize
5.7MB

Download
memory/1992-4-0x0000000074190000-0x000000007473B000-memory.dmp

Filesize
5.7MB

Download
memory/1992-5-0x0000000074190000-0x000000007473B000-memory.dmp

Filesize
5.7MB

Download
memory/1992-6-0x0000000074190000-0x000000007473B000-memory.dmp

Filesize
5.7MB

Download
memory/1992-15-0x0000000074190000-0x000000007473B000-memory.dmp

Filesize
5.7MB

Download
memory/2624-38-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2624-28-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2624-24-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2624-25-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2624-31-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2624-22-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2624-32-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2624-37-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2812-17-0x0000000074190000-0x000000007473B000-memory.dmp

Filesize
5.7MB

Download
memory/2812-20-0x0000000074190000-0x000000007473B000-memory.dmp

Filesize
5.7MB

Download
memory/2812-16-0x0000000074190000-0x000000007473B000-memory.dmp

Filesize
5.7MB

Download
memory/2812-19-0x0000000074190000-0x000000007473B000-memory.dmp

Filesize
5.7MB

Download
memory/2812-18-0x0000000074190000-0x000000007473B000-memory.dmp

Filesize
5.7MB

Download
memory/2812-40-0x0000000074190000-0x000000007473B000-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