nanocore | 93bf34f3e42fb55786de7c65c2aa7f8340194e12708170e7f9a0bf0c42c2a72f

General

Target
PO 2763534615.exe
Size 409KB
Sample200713-2hl5bfbjqs
SHA256 93bf34f3e42fb55786de7c65c2aa7f8340194e12708170e7f9a0bf0c42c2a72f
MD5 a14645df9ec875f21afb08fea742a1df
SHA1 6b70ceb58a91033948913a6d77154a9a842cc883
SHA512 b673bb587c80422584ec03288fbc957204eb238749931a03d374e050f2bfde381a709b74232da4ee5943bb415505606775a1f798267cabf65d5867aea27c8ae8
MD5 SHA1 SHA512

Score

10^/10

persistence evasion trojan keylogger stealer spyware nanocore

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

flysky1400.ddns.net:3180

Mutex

f4f156f1-80ab-4a61-8d4a-cf70dde6562c

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-04-24T03:30:53.823630436Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
3180
default_group
hector
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
f4f156f1-80ab-4a61-8d4a-cf70dde6562c
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
flysky1400.ddns.net
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

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\SCSI Manager\scsimgr.exe	PO 2763534615.exe
File opened for modification	C:\Program Files (x86)\SCSI Manager\scsimgr.exe	PO 2763534615.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2536	PO 2763534615.exe
Token: SeDebugPrivilege	2472	PO 2763534615.exe

Suspicious behavior: EnumeratesProcesses 32 IoCs

pid	Process
2536	PO 2763534615.exe
2536	PO 2763534615.exe
2536	PO 2763534615.exe
2536	PO 2763534615.exe
2536	PO 2763534615.exe
2536	PO 2763534615.exe
2536	PO 2763534615.exe
2536	PO 2763534615.exe
2536	PO 2763534615.exe
2536	PO 2763534615.exe
2536	PO 2763534615.exe
2536	PO 2763534615.exe
2536	PO 2763534615.exe
2536	PO 2763534615.exe
2536	PO 2763534615.exe
2536	PO 2763534615.exe
2536	PO 2763534615.exe
2536	PO 2763534615.exe
2536	PO 2763534615.exe
2536	PO 2763534615.exe
2536	PO 2763534615.exe
2536	PO 2763534615.exe
2536	PO 2763534615.exe
2536	PO 2763534615.exe
2536	PO 2763534615.exe
2536	PO 2763534615.exe
2536	PO 2763534615.exe
2536	PO 2763534615.exe
2536	PO 2763534615.exe
2472	PO 2763534615.exe
2472	PO 2763534615.exe
2472	PO 2763534615.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2536 wrote to memory of 2424	2536	PO 2763534615.exe	72
PID 2536 wrote to memory of 2424	2536	PO 2763534615.exe	72
PID 2536 wrote to memory of 2424	2536	PO 2763534615.exe	72
PID 2536 wrote to memory of 2472	2536	PO 2763534615.exe	73
PID 2536 wrote to memory of 2472	2536	PO 2763534615.exe	73
PID 2536 wrote to memory of 2472	2536	PO 2763534615.exe	73
PID 2536 wrote to memory of 2472	2536	PO 2763534615.exe	73
PID 2536 wrote to memory of 2472	2536	PO 2763534615.exe	73
PID 2536 wrote to memory of 2472	2536	PO 2763534615.exe	73
PID 2536 wrote to memory of 2472	2536	PO 2763534615.exe	73
PID 2536 wrote to memory of 2472	2536	PO 2763534615.exe	73

Adds Run entry to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\SCSI Manager = "C:\\Program Files (x86)\\SCSI Manager\\scsimgr.exe"	PO 2763534615.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1231583446-2617009595-2137880041-1000\Software\Microsoft\Windows\CurrentVersion\Run\msword = "\"C:\\Users\\Admin\\AppData\\Roaming\\msword.exe\""	PO 2763534615.exe

Executes dropped EXE 2 IoCs

pid	Process
2424	PO 2763534615.exe
2472	PO 2763534615.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2536 set thread context of 2472	2536	PO 2763534615.exe	73

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2472	PO 2763534615.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	PO 2763534615.exe

C:\Users\Admin\AppData\Local\Temp\PO 2763534615.exe
"C:\Users\Admin\AppData\Local\Temp\PO 2763534615.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
- Adds Run entry to start application
- Suspicious use of SetThreadContext
PID:2536
- C:\Users\Admin\AppData\Local\Temp\PO 2763534615.exe
  "C:\Users\Admin\AppData\Local\Temp\PO 2763534615.exe"
  2⤵
  - Executes dropped EXE
  PID:2424
- C:\Users\Admin\AppData\Local\Temp\PO 2763534615.exe
  "C:\Users\Admin\AppData\Local\Temp\PO 2763534615.exe"
  2⤵
  - Drops file in Program Files directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious behavior: EnumeratesProcesses
  - Adds Run entry to start application
  - Executes dropped EXE
  - Suspicious behavior: GetForegroundWindowSpam
  - Checks whether UAC is enabled
  PID:2472

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

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/2472-1-0x0000000000400000-0x0000000000438000-memory.dmp

Download

Analysis

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