nanocore | 95ad7adc39f0a63989f40182fed1679f276c9d9d4d244bd6a324df8cc31ad17f

General

Target

95ad7adc39f0a63989f40182fed1679f276c9d9d4d244bd6a324df8cc31ad17f.exe
Size

281KB
MD5

31065afdd3e4cd30f5821b3b2d560b8a
SHA1

994fa2c06b64b0325bf9c03131c7c2172f4f11a0
SHA256

95ad7adc39f0a63989f40182fed1679f276c9d9d4d244bd6a324df8cc31ad17f
SHA512

7e7f4266704c442e8580b8ffb445bcc2662a6cd37f4b48e541e71a60d560feaf0070058c3445ee2edffecd3c87a7f2b8158c48f579c1266b3e4ac7b57543a829
SSDEEP

6144:boy5p178U0MURaGyNXYWQzHazRfXrwSRnWwhrQ66fKkfK:boSeGUA5YZazpXUmZhZ6SX

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	95ad7adc39f0a63989f40182fed1679f276c9d9d4d244bd6a324df8cc31ad17f.exe

Executes dropped EXE 2 IoCs

pid	Process
464	a1punf5t2of.exe
1096	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-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\b1b2dqljdx3 = "C:\\Users\\Admin\\AppData\\Roaming\\b1b2dqljdx3\\a1punf5t2of.exe"	95ad7adc39f0a63989f40182fed1679f276c9d9d4d244bd6a324df8cc31ad17f.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 464 set thread context of 1096	464	a1punf5t2of.exe	87

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	95ad7adc39f0a63989f40182fed1679f276c9d9d4d244bd6a324df8cc31ad17f.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
1096	a1punf5t2of.exe
1096	a1punf5t2of.exe
1096	a1punf5t2of.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1096	a1punf5t2of.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1096	a1punf5t2of.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2288 wrote to memory of 464	2288	95ad7adc39f0a63989f40182fed1679f276c9d9d4d244bd6a324df8cc31ad17f.exe	86
PID 2288 wrote to memory of 464	2288	95ad7adc39f0a63989f40182fed1679f276c9d9d4d244bd6a324df8cc31ad17f.exe	86
PID 2288 wrote to memory of 464	2288	95ad7adc39f0a63989f40182fed1679f276c9d9d4d244bd6a324df8cc31ad17f.exe	86
PID 464 wrote to memory of 1096	464	a1punf5t2of.exe	87
PID 464 wrote to memory of 1096	464	a1punf5t2of.exe	87
PID 464 wrote to memory of 1096	464	a1punf5t2of.exe	87
PID 464 wrote to memory of 1096	464	a1punf5t2of.exe	87
PID 464 wrote to memory of 1096	464	a1punf5t2of.exe	87
PID 464 wrote to memory of 1096	464	a1punf5t2of.exe	87
PID 464 wrote to memory of 1096	464	a1punf5t2of.exe	87
PID 464 wrote to memory of 1096	464	a1punf5t2of.exe	87

C:\Users\Admin\AppData\Local\Temp\95ad7adc39f0a63989f40182fed1679f276c9d9d4d244bd6a324df8cc31ad17f.exe
"C:\Users\Admin\AppData\Local\Temp\95ad7adc39f0a63989f40182fed1679f276c9d9d4d244bd6a324df8cc31ad17f.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2288
- C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
  "C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:464
- - 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:1096

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

Query Registry

1

T1012

System Information Discovery

3

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
281KB

MD5
1dce18e1578dc3105e4db1ea25365265

SHA1
a08011e1c36b2bce545abe0b5ccee653ca609415

SHA256
e67578a2f5d83e579d73413be8dd25ae44c0b1364e417be5497cfbc8a11b7157

SHA512
94182fb4576352754fe426bddc92524a33f91b35bb55bdd06adb694111f85d1195fd354eca30241ddccfa07526ec9fb21640fb108d94aca92059e997164395a7

Download Submit
memory/464-18-0x0000000074DA0000-0x0000000075351000-memory.dmp

Filesize
5.7MB

Download
memory/464-31-0x0000000074DA0000-0x0000000075351000-memory.dmp

Filesize
5.7MB

Download
memory/464-29-0x0000000074DA0000-0x0000000075351000-memory.dmp

Filesize
5.7MB

Download
memory/464-19-0x0000000074DA0000-0x0000000075351000-memory.dmp

Filesize
5.7MB

Download
memory/464-17-0x0000000074DA0000-0x0000000075351000-memory.dmp

Filesize
5.7MB

Download
memory/1096-26-0x0000000074DA0000-0x0000000075351000-memory.dmp

Filesize
5.7MB

Download
memory/1096-23-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1096-21-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1096-20-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1096-25-0x0000000074DA0000-0x0000000075351000-memory.dmp

Filesize
5.7MB

Download
memory/1096-28-0x0000000074DA0000-0x0000000075351000-memory.dmp

Filesize
5.7MB

Download
memory/1096-32-0x0000000074DA0000-0x0000000075351000-memory.dmp

Filesize
5.7MB

Download
memory/1096-33-0x0000000074DA0000-0x0000000075351000-memory.dmp

Filesize
5.7MB

Download
memory/2288-16-0x0000000074DA0000-0x0000000075351000-memory.dmp

Filesize
5.7MB

Download
memory/2288-0-0x0000000074DA2000-0x0000000074DA3000-memory.dmp

Filesize
4KB

Download
memory/2288-2-0x0000000074DA0000-0x0000000075351000-memory.dmp

Filesize
5.7MB

Download
memory/2288-1-0x0000000074DA0000-0x0000000075351000-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