nanocore | 70a3e3040e47398629957e35100380def41b1ab5b4ac73e777051b6e85c60b19

General

Target

IePZajh9fm9DACV.exe
Size

362KB
MD5

82c01db6ccaa1c602b77c59b3ed64d71
SHA1

71ca9deefc3a678bf7fde895978ff5ff5a67691a
SHA256

70a3e3040e47398629957e35100380def41b1ab5b4ac73e777051b6e85c60b19
SHA512

0ae49f96a29e21bf8d4e29f7d93f79870b006e0b639bf49565cb7cffca2ad2d7fd26c76d84f777e4aa77a00b91a546dd7a9b957fb326a707f727bb6b76648f59

Score

10^/10

keylogger trojan stealer spyware nanocore evasion

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

u870797.nvpn.to:3119

Mutex

f813c4e2-fc76-409a-b46f-571ed35f6a5f

Attributes

activate_away_mode
true
backup_connection_host
u870797.nvpn.to
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-03-29T11:52:57.396056536Z
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
3119
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
f813c4e2-fc76-409a-b46f-571ed35f6a5f
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
u870797.nvpn.to
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 use of AdjustPrivilegeToken 1 IoCs

Processes:

IePZajh9fm9DACV.exe

description pid process

Token: SeDebugPrivilege 836 IePZajh9fm9DACV.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

IePZajh9fm9DACV.exe

pid process

836 IePZajh9fm9DACV.exe
836 IePZajh9fm9DACV.exe
836 IePZajh9fm9DACV.exe
836 IePZajh9fm9DACV.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

IePZajh9fm9DACV.exe

pid process

836 IePZajh9fm9DACV.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 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exe

pid process

1052 schtasks.exe
876 schtasks.exe
Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

IePZajh9fm9DACV.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA IePZajh9fm9DACV.exe

description	pid	process
Token: SeDebugPrivilege	836	IePZajh9fm9DACV.exe

pid	process
836	IePZajh9fm9DACV.exe
836	IePZajh9fm9DACV.exe
836	IePZajh9fm9DACV.exe
836	IePZajh9fm9DACV.exe

pid	process
836	IePZajh9fm9DACV.exe

pid	process
1052	schtasks.exe
876	schtasks.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	IePZajh9fm9DACV.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

IePZajh9fm9DACV.exeIePZajh9fm9DACV.exe

description	pid	process	target process
PID 608 wrote to memory of 876	608	IePZajh9fm9DACV.exe	schtasks.exe
PID 608 wrote to memory of 876	608	IePZajh9fm9DACV.exe	schtasks.exe
PID 608 wrote to memory of 876	608	IePZajh9fm9DACV.exe	schtasks.exe
PID 608 wrote to memory of 876	608	IePZajh9fm9DACV.exe	schtasks.exe
PID 608 wrote to memory of 836	608	IePZajh9fm9DACV.exe	IePZajh9fm9DACV.exe
PID 608 wrote to memory of 836	608	IePZajh9fm9DACV.exe	IePZajh9fm9DACV.exe
PID 608 wrote to memory of 836	608	IePZajh9fm9DACV.exe	IePZajh9fm9DACV.exe
PID 608 wrote to memory of 836	608	IePZajh9fm9DACV.exe	IePZajh9fm9DACV.exe
PID 608 wrote to memory of 836	608	IePZajh9fm9DACV.exe	IePZajh9fm9DACV.exe
PID 608 wrote to memory of 836	608	IePZajh9fm9DACV.exe	IePZajh9fm9DACV.exe
PID 608 wrote to memory of 836	608	IePZajh9fm9DACV.exe	IePZajh9fm9DACV.exe
PID 608 wrote to memory of 836	608	IePZajh9fm9DACV.exe	IePZajh9fm9DACV.exe
PID 608 wrote to memory of 836	608	IePZajh9fm9DACV.exe	IePZajh9fm9DACV.exe
PID 836 wrote to memory of 1052	836	IePZajh9fm9DACV.exe	schtasks.exe
PID 836 wrote to memory of 1052	836	IePZajh9fm9DACV.exe	schtasks.exe
PID 836 wrote to memory of 1052	836	IePZajh9fm9DACV.exe	schtasks.exe
PID 836 wrote to memory of 1052	836	IePZajh9fm9DACV.exe	schtasks.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

IePZajh9fm9DACV.exe

description pid process target process

PID 608 set thread context of 836 608 IePZajh9fm9DACV.exe IePZajh9fm9DACV.exe

description	pid	process	target process
PID 608 set thread context of 836	608	IePZajh9fm9DACV.exe	IePZajh9fm9DACV.exe

C:\Users\Admin\AppData\Local\Temp\IePZajh9fm9DACV.exe
"C:\Users\Admin\AppData\Local\Temp\IePZajh9fm9DACV.exe"
1⤵
- Suspicious use of WriteProcessMemory
- Suspicious use of SetThreadContext
PID:608

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wooVhqIljofc" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8B1F.tmp"
2⤵
- Creates scheduled task(s)
PID:876

C:\Users\Admin\AppData\Local\Temp\IePZajh9fm9DACV.exe
"{path}"
2⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Checks whether UAC is enabled
- Suspicious use of WriteProcessMemory
PID:836

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "WAN Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp8F24.tmp"
3⤵
- Creates scheduled task(s)
PID:1052

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp8B1F.tmp

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C:\Users\Admin\AppData\Local\Temp\tmp8F24.tmp

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memory/608-1-0x0000000000000000-0x0000000000000000-disk.dmp

Download
memory/836-4-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

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memory/836-5-0x000000000041E792-mapping.dmp

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memory/836-6-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

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memory/836-7-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

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memory/876-2-0x0000000000000000-mapping.dmp

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memory/1052-8-0x0000000000000000-mapping.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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