nanocore | 59fc7316893d1882281f6c1bd0b3e99a0e7066441948c40dac80203f3554cded

General

Target

1e0802286e12f1c0bcbb1ab2c0057b33.exe
Size

480KB
MD5

1e0802286e12f1c0bcbb1ab2c0057b33
SHA1

e5f700447cccc8cd94a141167ed6d843e2bc74f0
SHA256

59fc7316893d1882281f6c1bd0b3e99a0e7066441948c40dac80203f3554cded
SHA512

542a1315d12a65017d0d19e14d04fbbd753653f36662598774a5a1eef60f882ca3a9d3c70f02f7b4d0e33d1a745c40f963ed79b9c12d9e230d46774c3bfe90c5
SSDEEP

12288:zxfT6xvaPN0V0lk52ZRSnEZ1UwbTekIwn9+fTDPMFjjpdHxQKeUUrNGl:PNlXSn04YjjNdFUrN

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

140.82.57.249:935

Mutex

798bb993-90f3-40e1-a3d3-e1b7aa0cea14

Attributes

activate_away_mode
true
backup_connection_host
140.82.57.249
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2018-09-09T20:08:12.600525936Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
935
default_group
pamclique
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
798bb993-90f3-40e1-a3d3-e1b7aa0cea14
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
140.82.57.249
primary_dns_server
8.8.8.8
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
false
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

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mssystemfiles = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\systemfiles.exe\""	1e0802286e12f1c0bcbb1ab2c0057b33.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mscorelib = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\1e0802286e12f1c0bcbb1ab2c0057b33.exe\""	1e0802286e12f1c0bcbb1ab2c0057b33.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\AGP Manager = "C:\\Program Files (x86)\\AGP Manager\\agpmgr.exe"	1e0802286e12f1c0bcbb1ab2c0057b33.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	1e0802286e12f1c0bcbb1ab2c0057b33.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3040 set thread context of 716	3040	1e0802286e12f1c0bcbb1ab2c0057b33.exe	21

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\AGP Manager\agpmgr.exe	1e0802286e12f1c0bcbb1ab2c0057b33.exe
File opened for modification	C:\Program Files (x86)\AGP Manager\agpmgr.exe	1e0802286e12f1c0bcbb1ab2c0057b33.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
716	1e0802286e12f1c0bcbb1ab2c0057b33.exe
716	1e0802286e12f1c0bcbb1ab2c0057b33.exe
716	1e0802286e12f1c0bcbb1ab2c0057b33.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
716	1e0802286e12f1c0bcbb1ab2c0057b33.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3040	1e0802286e12f1c0bcbb1ab2c0057b33.exe
Token: SeDebugPrivilege	716	1e0802286e12f1c0bcbb1ab2c0057b33.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3040 wrote to memory of 716	3040	1e0802286e12f1c0bcbb1ab2c0057b33.exe	21
PID 3040 wrote to memory of 716	3040	1e0802286e12f1c0bcbb1ab2c0057b33.exe	21
PID 3040 wrote to memory of 716	3040	1e0802286e12f1c0bcbb1ab2c0057b33.exe	21
PID 3040 wrote to memory of 716	3040	1e0802286e12f1c0bcbb1ab2c0057b33.exe	21
PID 3040 wrote to memory of 716	3040	1e0802286e12f1c0bcbb1ab2c0057b33.exe	21
PID 3040 wrote to memory of 716	3040	1e0802286e12f1c0bcbb1ab2c0057b33.exe	21
PID 3040 wrote to memory of 716	3040	1e0802286e12f1c0bcbb1ab2c0057b33.exe	21
PID 3040 wrote to memory of 716	3040	1e0802286e12f1c0bcbb1ab2c0057b33.exe	21

C:\Users\Admin\AppData\Local\Temp\1e0802286e12f1c0bcbb1ab2c0057b33.exe
"C:\Users\Admin\AppData\Local\Temp\1e0802286e12f1c0bcbb1ab2c0057b33.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3040
- C:\Users\Admin\AppData\Local\Temp\1e0802286e12f1c0bcbb1ab2c0057b33.exe
  C:\Users\Admin\AppData\Local\Temp\1e0802286e12f1c0bcbb1ab2c0057b33.exe
  2⤵
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - Drops file in Program Files directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:716

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

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/716-13-0x00000000053B0000-0x00000000053BA000-memory.dmp

Filesize
40KB

Download
memory/716-17-0x00000000058F0000-0x000000000590E000-memory.dmp

Filesize
120KB

Download
memory/716-20-0x00000000056A0000-0x00000000056B0000-memory.dmp

Filesize
64KB

Download
memory/716-19-0x0000000074BB0000-0x0000000075360000-memory.dmp

Filesize
7.7MB

Download
memory/716-16-0x0000000005670000-0x000000000567A000-memory.dmp

Filesize
40KB

Download
memory/716-11-0x0000000005920000-0x0000000005EC4000-memory.dmp

Filesize
5.6MB

Download
memory/716-18-0x0000000006280000-0x000000000628A000-memory.dmp

Filesize
40KB

Download
memory/716-12-0x00000000054B0000-0x000000000554C000-memory.dmp

Filesize
624KB

Download
memory/716-6-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/716-10-0x0000000074BB0000-0x0000000075360000-memory.dmp

Filesize
7.7MB

Download
memory/3040-9-0x0000000074BB0000-0x0000000075360000-memory.dmp

Filesize
7.7MB

Download
memory/3040-1-0x0000000074BB0000-0x0000000075360000-memory.dmp

Filesize
7.7MB

Download
memory/3040-0-0x0000000000C70000-0x0000000000CEE000-memory.dmp

Filesize
504KB

Download
memory/3040-4-0x00000000030F0000-0x0000000003100000-memory.dmp

Filesize
64KB

Download
memory/3040-5-0x0000000005690000-0x0000000005698000-memory.dmp

Filesize
32KB

Download
memory/3040-3-0x00000000056A0000-0x0000000005732000-memory.dmp

Filesize
584KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads