nanocore | f72f6b3b804113ed4ae77c2feb03a05f2537e6bcbb2da27c4627e2d80fc31260

General

Target
f72f6b3b804113ed4ae77c2feb03a05f2537e6bcbb2da27c4627e2d80fc31260.exe
Size 348KB
Sample200624-vtpspk48te
SHA256 f72f6b3b804113ed4ae77c2feb03a05f2537e6bcbb2da27c4627e2d80fc31260
MD5 f6ed17484c4ea723b3761dc12c49724e
SHA1 dc5aae0a9468dbf506e763d115e16b105ac985de
SHA512 99bca75a638f0a70ad6c21f58892cb995793f943f863c1be69980d2e3793916e60ed11e6309231da8ab51bd2ebb226e784b94085ab29f153c12d958cba3565ae
MD5 SHA1 SHA512

Score

10^/10

keylogger trojan stealer spyware nanocore evasion

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

shtf.pw:59022

Mutex

9e77769c-5a6a-438a-9e07-d506300e26e7

Attributes

activate_away_mode
true
backup_connection_host
shtf.pw
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-03-06T22:00:43.063975236Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
false
clear_zone_identifier
false
connect_delay
4000
connection_port
59022
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
9e77769c-5a6a-438a-9e07-d506300e26e7
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
shtf.pw
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

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3024	f72f6b3b804113ed4ae77c2feb03a05f2537e6bcbb2da27c4627e2d80fc31260.exe
1836	RegSvcs.exe
1836	RegSvcs.exe
1836	RegSvcs.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1836	RegSvcs.exe

NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
keylogger trojan stealer spyware nanocore

Creates scheduled task(s) 1 TTPs 1 IoCs

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

persistence

Scheduled Task

T1053

pid	Process
3844	schtasks.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	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3024 wrote to memory of 3844	3024	f72f6b3b804113ed4ae77c2feb03a05f2537e6bcbb2da27c4627e2d80fc31260.exe	67
PID 3024 wrote to memory of 3844	3024	f72f6b3b804113ed4ae77c2feb03a05f2537e6bcbb2da27c4627e2d80fc31260.exe	67
PID 3024 wrote to memory of 3844	3024	f72f6b3b804113ed4ae77c2feb03a05f2537e6bcbb2da27c4627e2d80fc31260.exe	67
PID 3024 wrote to memory of 1836	3024	f72f6b3b804113ed4ae77c2feb03a05f2537e6bcbb2da27c4627e2d80fc31260.exe	69
PID 3024 wrote to memory of 1836	3024	f72f6b3b804113ed4ae77c2feb03a05f2537e6bcbb2da27c4627e2d80fc31260.exe	69
PID 3024 wrote to memory of 1836	3024	f72f6b3b804113ed4ae77c2feb03a05f2537e6bcbb2da27c4627e2d80fc31260.exe	69
PID 3024 wrote to memory of 1836	3024	f72f6b3b804113ed4ae77c2feb03a05f2537e6bcbb2da27c4627e2d80fc31260.exe	69
PID 3024 wrote to memory of 1836	3024	f72f6b3b804113ed4ae77c2feb03a05f2537e6bcbb2da27c4627e2d80fc31260.exe	69
PID 3024 wrote to memory of 1836	3024	f72f6b3b804113ed4ae77c2feb03a05f2537e6bcbb2da27c4627e2d80fc31260.exe	69
PID 3024 wrote to memory of 1836	3024	f72f6b3b804113ed4ae77c2feb03a05f2537e6bcbb2da27c4627e2d80fc31260.exe	69
PID 3024 wrote to memory of 1836	3024	f72f6b3b804113ed4ae77c2feb03a05f2537e6bcbb2da27c4627e2d80fc31260.exe	69

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3024 set thread context of 1836	3024	f72f6b3b804113ed4ae77c2feb03a05f2537e6bcbb2da27c4627e2d80fc31260.exe	69

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3024	f72f6b3b804113ed4ae77c2feb03a05f2537e6bcbb2da27c4627e2d80fc31260.exe
Token: SeDebugPrivilege	1836	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\f72f6b3b804113ed4ae77c2feb03a05f2537e6bcbb2da27c4627e2d80fc31260.exe
"C:\Users\Admin\AppData\Local\Temp\f72f6b3b804113ed4ae77c2feb03a05f2537e6bcbb2da27c4627e2d80fc31260.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
PID:3024
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ROUxaGPXxBDTC" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC33B.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3844
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
  "{path}"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Checks whether UAC is enabled
  - Suspicious use of AdjustPrivilegeToken
  PID:1836

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1836-2-0x0000000000400000-0x0000000000438000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads