nanocore | 51b15f2f55025fe7eff1ee4a4f5a2bedc616f3e0fc678a01a108d52c41e693ec

General

Target
Enquiry list.exe
Size 1.7MB
Sample201109-mkpj2thng2
SHA256 51b15f2f55025fe7eff1ee4a4f5a2bedc616f3e0fc678a01a108d52c41e693ec
MD5 a2301e5f6bb76e888d242c4a6a49af47
SHA1 680dd9446633c37b09e2bc0542d86628ececc397
SHA512 4fe8ddb24f2ddc44250f8efeb72c556559c5568808cc310bc6154da705405044071416ed2d5ee263b4a209ab1f864bd3f2d14493553d370c8666d652328e5fe6
MD5 SHA1 SHA512

Score

10^/10

nanocore keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

u852117.nvpn.so:5638
comcasted.duckdns.org:5638

Mutex

c2752564-42a0-44a1-9f65-f38d35e9ab26

Attributes

activate_away_mode
true
backup_connection_host
comcasted.duckdns.org
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2019-12-31T14:52:32.548938136Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
5638
default_group
comcasted
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
c2752564-42a0-44a1-9f65-f38d35e9ab26
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
u852117.nvpn.so
primary_dns_server
8.8.8.8
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

Drops startup file 1 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\btpanui.url	Enquiry list.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 980 set thread context of 2168	980	Enquiry list.exe	75

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2168	MSBuild.exe
2168	MSBuild.exe
2168	MSBuild.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2168	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2168	MSBuild.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
980	Enquiry list.exe
980	Enquiry list.exe
980	Enquiry list.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
980	Enquiry list.exe
980	Enquiry list.exe
980	Enquiry list.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 980 wrote to memory of 2168	980	Enquiry list.exe	75
PID 980 wrote to memory of 2168	980	Enquiry list.exe	75
PID 980 wrote to memory of 2168	980	Enquiry list.exe	75
PID 980 wrote to memory of 2168	980	Enquiry list.exe	75
PID 980 wrote to memory of 2168	980	Enquiry list.exe	75

C:\Users\Admin\AppData\Local\Temp\Enquiry list.exe
"C:\Users\Admin\AppData\Local\Temp\Enquiry list.exe"
1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:980
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
  "C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\MSBuild.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:2168

Network

MITRE ATT&CK Matrix

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Downloads

memory/2168-0-0x0000000000400000-0x0000000000438000-memory.dmp

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Analysis

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