nanocore | e27792bffcd7542e12f213e02a043e53e49e6b62aebd91dace6d1621ffb0e07c

General

Target
invoice 2.exe
Size 867KB
Sample220413-wmew7aechl
SHA256 e27792bffcd7542e12f213e02a043e53e49e6b62aebd91dace6d1621ffb0e07c
MD5 edd483d43c02e1a8844ebb22d7b3b894
SHA1 f09686450e063a414fbb0c2586bedcf79ab2b380
SHA512 23d4cd02dd4369b8ea4c649decb6a989298a9bcd9ff46930b4538aba4f39d97f0129601fa84bc597bb8175f2772f05615a4218713de053c81fdfbabe11fe8452
MD5 SHA1 SHA512

Score

10^/10

nanocore evasion keylogger spyware stealer suricata trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

americanmedicalassociation.online:28146
213.152.161.211:28146

Mutex

3e6ee919-af63-442d-840b-68fb26064e33

Attributes

activate_away_mode
true
backup_connection_host
213.152.161.211
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2022-01-23T17:23:04.902126236Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
28146
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
3e6ee919-af63-442d-840b-68fb26064e33
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
americanmedicalassociation.online
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
suricata: ET MALWARE Possible NanoCore C2 60B
suricata: ET MALWARE Possible NanoCore C2 60B
suricata

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	invoice 2.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4860 set thread context of 516	4860	invoice 2.exe	88

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4860	invoice 2.exe
4860	invoice 2.exe
516	invoice 2.exe
516	invoice 2.exe
516	invoice 2.exe
516	invoice 2.exe
516	invoice 2.exe
516	invoice 2.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
516	invoice 2.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4860	invoice 2.exe
Token: SeDebugPrivilege	516	invoice 2.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4860 wrote to memory of 1128	4860	invoice 2.exe	87
PID 4860 wrote to memory of 1128	4860	invoice 2.exe	87
PID 4860 wrote to memory of 1128	4860	invoice 2.exe	87
PID 4860 wrote to memory of 516	4860	invoice 2.exe	88
PID 4860 wrote to memory of 516	4860	invoice 2.exe	88
PID 4860 wrote to memory of 516	4860	invoice 2.exe	88
PID 4860 wrote to memory of 516	4860	invoice 2.exe	88
PID 4860 wrote to memory of 516	4860	invoice 2.exe	88
PID 4860 wrote to memory of 516	4860	invoice 2.exe	88
PID 4860 wrote to memory of 516	4860	invoice 2.exe	88
PID 4860 wrote to memory of 516	4860	invoice 2.exe	88

C:\Users\Admin\AppData\Local\Temp\invoice 2.exe
"C:\Users\Admin\AppData\Local\Temp\invoice 2.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4860
- C:\Users\Admin\AppData\Local\Temp\invoice 2.exe
  "C:\Users\Admin\AppData\Local\Temp\invoice 2.exe"
  2⤵
  PID:1128
- C:\Users\Admin\AppData\Local\Temp\invoice 2.exe
  "C:\Users\Admin\AppData\Local\Temp\invoice 2.exe"
  2⤵
  - Checks whether UAC is enabled
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:516

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/516-132-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/4860-124-0x0000000000890000-0x0000000000970000-memory.dmp

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memory/4860-125-0x0000000005970000-0x0000000005F14000-memory.dmp

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memory/4860-126-0x0000000005300000-0x0000000005392000-memory.dmp

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memory/4860-127-0x0000000005460000-0x00000000054FC000-memory.dmp

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memory/4860-128-0x00000000053C0000-0x00000000053CA000-memory.dmp

Download

memory/4860-129-0x0000000008BF0000-0x0000000008C56000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads