nanocore | 3ef73be1c506a00042d72dbef0379db91ddccfc11485688505f043e20f8442de

General

Target
PROOF OF PAYMENT.exe
Size 873KB
Sample201023-fxrlhd3d22
SHA256 3ef73be1c506a00042d72dbef0379db91ddccfc11485688505f043e20f8442de
MD5 cd029b71c7d10dbb2a5fd49c6b309ffd
SHA1 65b29bf1773a304073d19d2d9e353e654f63aa36
SHA512 5383024c3c4f94e1cd179538f40f9da05477753f07f0f931f046bfd12ec56a96298c96915f512e1a77352f14b576cee2191f1d67e7a2f9fc5d02fe99a12a9509
MD5 SHA1 SHA512

Score

10^/10

evasion trojan keylogger stealer spyware nanocore persistence

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

amechi.duckdns.org:3190

Mutex

d55d2bd0-448c-43ca-a131-147211610499

Attributes

activate_away_mode
true
backup_connection_host
amechi.duckdns.org
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-08-03T09:48:34.474293536Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
3190
default_group
END SARS
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
d55d2bd0-448c-43ca-a131-147211610499
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
amechi.duckdns.org
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\IMAP Service = "C:\\Program Files (x86)\\IMAP Service\\imapsv.exe"	PROOF OF PAYMENT.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	PROOF OF PAYMENT.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 504 set thread context of 3764	504	PROOF OF PAYMENT.exe	77

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\IMAP Service\imapsv.exe	PROOF OF PAYMENT.exe
File opened for modification	C:\Program Files (x86)\IMAP Service\imapsv.exe	PROOF OF PAYMENT.exe

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
3144	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
3764	PROOF OF PAYMENT.exe
3764	PROOF OF PAYMENT.exe
3764	PROOF OF PAYMENT.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3764	PROOF OF PAYMENT.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3764	PROOF OF PAYMENT.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 504 wrote to memory of 3144	504	PROOF OF PAYMENT.exe	75
PID 504 wrote to memory of 3144	504	PROOF OF PAYMENT.exe	75
PID 504 wrote to memory of 3144	504	PROOF OF PAYMENT.exe	75
PID 504 wrote to memory of 3764	504	PROOF OF PAYMENT.exe	77
PID 504 wrote to memory of 3764	504	PROOF OF PAYMENT.exe	77
PID 504 wrote to memory of 3764	504	PROOF OF PAYMENT.exe	77
PID 504 wrote to memory of 3764	504	PROOF OF PAYMENT.exe	77
PID 504 wrote to memory of 3764	504	PROOF OF PAYMENT.exe	77
PID 504 wrote to memory of 3764	504	PROOF OF PAYMENT.exe	77
PID 504 wrote to memory of 3764	504	PROOF OF PAYMENT.exe	77
PID 504 wrote to memory of 3764	504	PROOF OF PAYMENT.exe	77

C:\Users\Admin\AppData\Local\Temp\PROOF OF PAYMENT.exe
"C:\Users\Admin\AppData\Local\Temp\PROOF OF PAYMENT.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:504
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\elNJOnnsaAa" /XML "C:\Users\Admin\AppData\Local\Temp\tmp70FB.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3144
- C:\Users\Admin\AppData\Local\Temp\PROOF OF PAYMENT.exe
  "{path}"
  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:3764

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

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/504-5-0x0000000004C30000-0x0000000004C31000-memory.dmp

Download

memory/504-1-0x00000000001C0000-0x00000000001C1000-memory.dmp

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memory/504-4-0x0000000004B90000-0x0000000004B91000-memory.dmp

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memory/504-0-0x0000000073700000-0x0000000073DEE000-memory.dmp

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memory/504-6-0x00000000025D0000-0x00000000025E6000-memory.dmp

Download

memory/504-7-0x0000000005790000-0x00000000057FE000-memory.dmp

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memory/504-3-0x0000000005090000-0x0000000005091000-memory.dmp

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memory/3764-12-0x0000000073700000-0x0000000073DEE000-memory.dmp

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memory/3764-10-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/3764-18-0x0000000005400000-0x0000000005401000-memory.dmp

Download

memory/3764-19-0x0000000005520000-0x0000000005525000-memory.dmp

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memory/3764-20-0x00000000055C0000-0x00000000055D9000-memory.dmp

Download

memory/3764-21-0x00000000061D0000-0x00000000061D3000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads