nanocore | 98cfc2f76ee8cefd9aa0b9be4c317800223f93ffb6e63577e8a9466693585515

General

Target
PO#7442,pdf.exe
Size 420KB
Sample201109-456a3cydsx
SHA256 98cfc2f76ee8cefd9aa0b9be4c317800223f93ffb6e63577e8a9466693585515
MD5 b940381f5bd10911f82f9b09917ae6de
SHA1 8d350cf0f4d710dd7e9225cf104bb430c07fb0ca
SHA512 bf7b91697e720fb1598ebbf216890b7095a9c7d4d669e80ffb14b09159781e9000ceabef0691138b9db7b3b84581631c601be4c652bbd047e894054f0b66918f
MD5 SHA1 SHA512

Score

10^/10

nanocore keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

billionaire.ddns.net:3734

Mutex

9743c2a3-3335-4a39-ae09-f46ef500f894

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-02-08T01:30:41.997106436Z
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
3734
default_group
billionaire
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
9743c2a3-3335-4a39-ae09-f46ef500f894
mutex_timeout
5000
prevent_system_sleep
true
primary_connection_host
billionaire.ddns.net
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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 540 set thread context of 1460	540	PO#7442,pdf.exe	80

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
192	schtasks.exe
504	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
540	PO#7442,pdf.exe
540	PO#7442,pdf.exe
540	PO#7442,pdf.exe
1460	MSBuild.exe
1460	MSBuild.exe
1460	MSBuild.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1460	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	540	PO#7442,pdf.exe
Token: SeDebugPrivilege	1460	MSBuild.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 540 wrote to memory of 192	540	PO#7442,pdf.exe	78
PID 540 wrote to memory of 192	540	PO#7442,pdf.exe	78
PID 540 wrote to memory of 192	540	PO#7442,pdf.exe	78
PID 540 wrote to memory of 1460	540	PO#7442,pdf.exe	80
PID 540 wrote to memory of 1460	540	PO#7442,pdf.exe	80
PID 540 wrote to memory of 1460	540	PO#7442,pdf.exe	80
PID 540 wrote to memory of 1460	540	PO#7442,pdf.exe	80
PID 540 wrote to memory of 1460	540	PO#7442,pdf.exe	80
PID 540 wrote to memory of 1460	540	PO#7442,pdf.exe	80
PID 540 wrote to memory of 1460	540	PO#7442,pdf.exe	80
PID 540 wrote to memory of 1460	540	PO#7442,pdf.exe	80
PID 1460 wrote to memory of 504	1460	MSBuild.exe	81
PID 1460 wrote to memory of 504	1460	MSBuild.exe	81
PID 1460 wrote to memory of 504	1460	MSBuild.exe	81

C:\Users\Admin\AppData\Local\Temp\PO#7442,pdf.exe
"C:\Users\Admin\AppData\Local\Temp\PO#7442,pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:540
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SEqIrL" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC739.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:192
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
  "{path}"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1460
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "SMTP Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmpD4F4.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:504

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1460-4-0x0000000000400000-0x0000000000438000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads