nanocore | d0628dd7d19eb531e38d9ea04b6645df1d2d39a85ebd1706e6137436af75f9ea

General

Target

d0628dd7d19eb531e38d9ea04b6645df1d2d39a85ebd1706e6137436af75f9ea.exe
Size

255KB
MD5

7b6af039fd4c792cee393496d7ba9f2a
SHA1

294dfa0c44f515cfa160c6e0540f1bfe221a94e5
SHA256

d0628dd7d19eb531e38d9ea04b6645df1d2d39a85ebd1706e6137436af75f9ea
SHA512

e98265266282d68b9450f2380c47932aa069e898007a3e888a72401e27d1e2a56310cdc921559bcd6158ccd7b03881d0f9cc665b3bdf08e58d39bd67b579a0b9
SSDEEP

6144:85p178U0MURaGyNXYWQzHazRfXrwSRnWwhrQ+Kyd:EeGUA5YZazpXUmZhlKyd

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
2876	a1punf5t2of.exe
1756	a1punf5t2of.exe

Loads dropped DLL 2 IoCs

pid	Process
1688	d0628dd7d19eb531e38d9ea04b6645df1d2d39a85ebd1706e6137436af75f9ea.exe
2876	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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\b1b2dqljdx3 = "C:\\Users\\Admin\\AppData\\Roaming\\b1b2dqljdx3\\a1punf5t2of.exe"	d0628dd7d19eb531e38d9ea04b6645df1d2d39a85ebd1706e6137436af75f9ea.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 2876 set thread context of 1756	2876	a1punf5t2of.exe	31

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	d0628dd7d19eb531e38d9ea04b6645df1d2d39a85ebd1706e6137436af75f9ea.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a1punf5t2of.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1756	a1punf5t2of.exe
1756	a1punf5t2of.exe
1756	a1punf5t2of.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1756	a1punf5t2of.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1756	a1punf5t2of.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1688 wrote to memory of 2876	1688	d0628dd7d19eb531e38d9ea04b6645df1d2d39a85ebd1706e6137436af75f9ea.exe	30
PID 1688 wrote to memory of 2876	1688	d0628dd7d19eb531e38d9ea04b6645df1d2d39a85ebd1706e6137436af75f9ea.exe	30
PID 1688 wrote to memory of 2876	1688	d0628dd7d19eb531e38d9ea04b6645df1d2d39a85ebd1706e6137436af75f9ea.exe	30
PID 1688 wrote to memory of 2876	1688	d0628dd7d19eb531e38d9ea04b6645df1d2d39a85ebd1706e6137436af75f9ea.exe	30
PID 1688 wrote to memory of 2876	1688	d0628dd7d19eb531e38d9ea04b6645df1d2d39a85ebd1706e6137436af75f9ea.exe	30
PID 1688 wrote to memory of 2876	1688	d0628dd7d19eb531e38d9ea04b6645df1d2d39a85ebd1706e6137436af75f9ea.exe	30
PID 1688 wrote to memory of 2876	1688	d0628dd7d19eb531e38d9ea04b6645df1d2d39a85ebd1706e6137436af75f9ea.exe	30
PID 2876 wrote to memory of 1756	2876	a1punf5t2of.exe	31
PID 2876 wrote to memory of 1756	2876	a1punf5t2of.exe	31
PID 2876 wrote to memory of 1756	2876	a1punf5t2of.exe	31
PID 2876 wrote to memory of 1756	2876	a1punf5t2of.exe	31
PID 2876 wrote to memory of 1756	2876	a1punf5t2of.exe	31
PID 2876 wrote to memory of 1756	2876	a1punf5t2of.exe	31
PID 2876 wrote to memory of 1756	2876	a1punf5t2of.exe	31
PID 2876 wrote to memory of 1756	2876	a1punf5t2of.exe	31
PID 2876 wrote to memory of 1756	2876	a1punf5t2of.exe	31
PID 2876 wrote to memory of 1756	2876	a1punf5t2of.exe	31
PID 2876 wrote to memory of 1756	2876	a1punf5t2of.exe	31
PID 2876 wrote to memory of 1756	2876	a1punf5t2of.exe	31

C:\Users\Admin\AppData\Local\Temp\d0628dd7d19eb531e38d9ea04b6645df1d2d39a85ebd1706e6137436af75f9ea.exe
"C:\Users\Admin\AppData\Local\Temp\d0628dd7d19eb531e38d9ea04b6645df1d2d39a85ebd1706e6137436af75f9ea.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1688
- 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:2876
- - 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:1756

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
255KB

MD5
33b0efa3888f531b0661750a9c2e21b5

SHA1
7328e0645eb1032ead57966c1f7d531b2b1a83ae

SHA256
93dd9533a0bfe47030071ffc54f93e9fefd087bcbfe5c6de2068b208a88ed6cf

SHA512
e7f143da179022a32577153ab7214b884e50183bceae0f0dcc3aca7c7df0adb79a3ca172318ab3a8bd4f7d51928a4fefd010a96a9304dbdd160a75ac66028f72

Download Submit
memory/1688-15-0x00000000744E0000-0x0000000074A8B000-memory.dmp

Filesize
5.7MB

Download
memory/1688-1-0x00000000744E0000-0x0000000074A8B000-memory.dmp

Filesize
5.7MB

Download
memory/1688-2-0x00000000744E0000-0x0000000074A8B000-memory.dmp

Filesize
5.7MB

Download
memory/1688-3-0x00000000744E0000-0x0000000074A8B000-memory.dmp

Filesize
5.7MB

Download
memory/1688-4-0x00000000744E0000-0x0000000074A8B000-memory.dmp

Filesize
5.7MB

Download
memory/1688-5-0x00000000744E0000-0x0000000074A8B000-memory.dmp

Filesize
5.7MB

Download
memory/1688-6-0x00000000744E0000-0x0000000074A8B000-memory.dmp

Filesize
5.7MB

Download
memory/1688-0-0x00000000744E1000-0x00000000744E2000-memory.dmp

Filesize
4KB

Download
memory/1756-28-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1756-21-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1756-23-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1756-32-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1756-39-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1756-37-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1756-31-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1756-25-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2876-17-0x00000000744E0000-0x0000000074A8B000-memory.dmp

Filesize
5.7MB

Download
memory/2876-18-0x00000000744E0000-0x0000000074A8B000-memory.dmp

Filesize
5.7MB

Download
memory/2876-19-0x00000000744E0000-0x0000000074A8B000-memory.dmp

Filesize
5.7MB

Download
memory/2876-16-0x00000000744E0000-0x0000000074A8B000-memory.dmp

Filesize
5.7MB

Download
memory/2876-41-0x00000000744E0000-0x0000000074A8B000-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