nanocore | dc67d526778506c9a50dd58b681dcd1dc12b82ddf6d7fc2e1097ee3e14ec62e6

General

Target
Bank Report.exe
Size 440KB
Sample211104-ppgp8sgfa2
SHA256 dc67d526778506c9a50dd58b681dcd1dc12b82ddf6d7fc2e1097ee3e14ec62e6
MD5 9c66a461958947308b3997354c7eb168
SHA1 d592e708250b71dd217f818b38b2a7af58fba78d
SHA512 dfe8227a3aaad7fb133e31a79cb9ed824673288c36bacdd61599dd284882c3e45facd8c31d6b6b7cf1fe6b655ab007b7126af23c85a6ce4107f3b4671883066d
MD5 SHA1 SHA512

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

dera31.ddns.net:1187
195.133.18.211:1187

Mutex

f4157c11-54e5-4893-8a60-6856b8471d8c

Attributes

activate_away_mode
true
backup_connection_host
195.133.18.211
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-08-13T08:45:25.192912336Z
bypass_user_account_control
true
bypass_user_account_control_data
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
f4157c11-54e5-4893-8a60-6856b8471d8c
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
dera31.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\SMTP Service = "C:\\Program Files (x86)\\SMTP Service\\smtpsvc.exe"	Bank Report.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	Bank Report.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1880 set thread context of 992	1880	Bank Report.exe	28

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\SMTP Service\smtpsvc.exe	Bank Report.exe
File opened for modification	C:\Program Files (x86)\SMTP Service\smtpsvc.exe	Bank Report.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
992	Bank Report.exe
992	Bank Report.exe
992	Bank Report.exe
992	Bank Report.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
992	Bank Report.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	992	Bank Report.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1880 wrote to memory of 992	1880	Bank Report.exe	28
PID 1880 wrote to memory of 992	1880	Bank Report.exe	28
PID 1880 wrote to memory of 992	1880	Bank Report.exe	28
PID 1880 wrote to memory of 992	1880	Bank Report.exe	28
PID 1880 wrote to memory of 992	1880	Bank Report.exe	28
PID 1880 wrote to memory of 992	1880	Bank Report.exe	28
PID 1880 wrote to memory of 992	1880	Bank Report.exe	28
PID 1880 wrote to memory of 992	1880	Bank Report.exe	28
PID 1880 wrote to memory of 992	1880	Bank Report.exe	28

C:\Users\Admin\AppData\Local\Temp\Bank Report.exe
"C:\Users\Admin\AppData\Local\Temp\Bank Report.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1880
- C:\Users\Admin\AppData\Local\Temp\Bank Report.exe
  "C:\Users\Admin\AppData\Local\Temp\Bank Report.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:992

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/992-58-0x0000000000400000-0x0000000000438000-memory.dmp

Download

memory/992-59-0x0000000000400000-0x0000000000438000-memory.dmp

Download

memory/992-60-0x0000000000400000-0x0000000000438000-memory.dmp

Download

memory/992-61-0x0000000000400000-0x0000000000438000-memory.dmp

Download

memory/992-62-0x0000000000400000-0x0000000000438000-memory.dmp

Download

memory/992-65-0x00000000021E0000-0x00000000021E1000-memory.dmp

Download

memory/1880-55-0x0000000075D41000-0x0000000075D43000-memory.dmp

Download

memory/1880-56-0x0000000000A70000-0x0000000000A71000-memory.dmp

Download

memory/1880-57-0x0000000000A71000-0x0000000000A72000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads