nanocore | e0c42f93030f801d6891e23152fbfef0f198a40ce55aeb2bc7a4645d9eabca78

General

Target
TT.exe
Size 698KB
Sample210907-qfjc5scfd4
SHA256 e0c42f93030f801d6891e23152fbfef0f198a40ce55aeb2bc7a4645d9eabca78
MD5 90cc06f784030bf8c3beff53355db9e8
SHA1 c1b1e0676d3144a3992261b0afd7071dfadf1da2
SHA512 79438988014fe06c4f916f597e4c9fb49813145f02b2b5c24f08e93a29c892ec6961ec79c5a47ec0e9ecd34822c8d1d9826f1ad0ed2ea17d9cd653d077691b6a
MD5 SHA1 SHA512

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

dera12.ddns.net:1187

Mutex

55e6e996-1cce-4ab2-ac68-97aef6fdeb26

Attributes

activate_away_mode
true
backup_connection_host
dera12.ddns.net
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-05-28T12:24:54.184764036Z
bypass_user_account_control
false
bypass_user_account_control_data
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
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
1187
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
55e6e996-1cce-4ab2-ac68-97aef6fdeb26
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
dera12.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

Adds Run key to start application 2 TTPs 1 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 Service = "C:\\Program Files (x86)\\SCSI Service\\scsisvc.exe"	TT.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	TT.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4652 set thread context of 4092	4652	TT.exe	81

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\SCSI Service\scsisvc.exe	TT.exe
File opened for modification	C:\Program Files (x86)\SCSI Service\scsisvc.exe	TT.exe

Creates scheduled task(s) 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
3960	schtasks.exe
4348	schtasks.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
4652	TT.exe
4652	TT.exe
4652	TT.exe
4652	TT.exe
4652	TT.exe
4652	TT.exe
4092	TT.exe
4092	TT.exe
4092	TT.exe
4092	TT.exe
4092	TT.exe
4092	TT.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4092	TT.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4652	TT.exe
Token: SeDebugPrivilege	4092	TT.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 4652 wrote to memory of 4008	4652	TT.exe	78
PID 4652 wrote to memory of 4008	4652	TT.exe	78
PID 4652 wrote to memory of 4008	4652	TT.exe	78
PID 4652 wrote to memory of 4028	4652	TT.exe	79
PID 4652 wrote to memory of 4028	4652	TT.exe	79
PID 4652 wrote to memory of 4028	4652	TT.exe	79
PID 4652 wrote to memory of 4072	4652	TT.exe	80
PID 4652 wrote to memory of 4072	4652	TT.exe	80
PID 4652 wrote to memory of 4072	4652	TT.exe	80
PID 4652 wrote to memory of 4092	4652	TT.exe	81
PID 4652 wrote to memory of 4092	4652	TT.exe	81
PID 4652 wrote to memory of 4092	4652	TT.exe	81
PID 4652 wrote to memory of 4092	4652	TT.exe	81
PID 4652 wrote to memory of 4092	4652	TT.exe	81
PID 4652 wrote to memory of 4092	4652	TT.exe	81
PID 4652 wrote to memory of 4092	4652	TT.exe	81
PID 4652 wrote to memory of 4092	4652	TT.exe	81
PID 4092 wrote to memory of 3960	4092	TT.exe	82
PID 4092 wrote to memory of 3960	4092	TT.exe	82
PID 4092 wrote to memory of 3960	4092	TT.exe	82
PID 4092 wrote to memory of 4348	4092	TT.exe	84
PID 4092 wrote to memory of 4348	4092	TT.exe	84
PID 4092 wrote to memory of 4348	4092	TT.exe	84

C:\Users\Admin\AppData\Local\Temp\TT.exe
"C:\Users\Admin\AppData\Local\Temp\TT.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4652
- C:\Users\Admin\AppData\Local\Temp\TT.exe
  "C:\Users\Admin\AppData\Local\Temp\TT.exe"
  2⤵
  PID:4008
- C:\Users\Admin\AppData\Local\Temp\TT.exe
  "C:\Users\Admin\AppData\Local\Temp\TT.exe"
  2⤵
  PID:4028
- C:\Users\Admin\AppData\Local\Temp\TT.exe
  "C:\Users\Admin\AppData\Local\Temp\TT.exe"
  2⤵
  PID:4072
- C:\Users\Admin\AppData\Local\Temp\TT.exe
  "C:\Users\Admin\AppData\Local\Temp\TT.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
  - Suspicious use of WriteProcessMemory
  PID:4092
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "SCSI Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp95DD.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:3960
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "SCSI Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp968A.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:4348