nanocore | 1033aefc071d6249320695a584a5db2c39117c3e3d6635423d560ce3edfc2382

General

Target

Zhn-x560.exe
Size

1.0MB
MD5

8ed51302c2a028d072bc78ad727108d9
SHA1

2d0efc98916ef84b948b0539c41f40dbf27f288f
SHA256

2b7a912fed6d5cec866c8887476393056508909f8468c23ccd201ae52b770738
SHA512

6a97921492c363553b923b1b933aaf604eb2be8d0b53330dfb3ecf06d67c1ad7ded782b2dd30c43ace976f3c5f55e85dda7dff1675769dc6d7b3c1a420bb5800
SSDEEP

12288:+p4YyDipAhZKG367go9LhnB7v5JckUNKiXx+oP1NM7EUbOF8nL2PFfq5Q+q58:+p4YMewTaLftyKiXsqEzb+NpqU8

Score

10^/10

nanocore evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

robertjoe607.ddns.net:1987

Mutex

3b928790-243f-46ea-931c-42154cd292bb

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-11-14T18:34:22.190897536Z
bypass_user_account_control
false
bypass_user_account_control_data
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
clear_access_control
true
clear_zone_identifier
true
connect_delay
4000
connection_port
1987
default_group
joe
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
3b928790-243f-46ea-931c-42154cd292bb
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
robertjoe607.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
Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

Zhn-x560.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA Zhn-x560.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

Zhn-x560.exe

description pid process target process

PID 2884 set thread context of 760 2884 Zhn-x560.exe Zhn-x560.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence execution

Scheduled Task
T1053.005

Processes:

schtasks.exeschtasks.exe

pid process

2644 schtasks.exe
2456 schtasks.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

Zhn-x560.exeZhn-x560.exe

pid process

2884 Zhn-x560.exe
2884 Zhn-x560.exe
760 Zhn-x560.exe
760 Zhn-x560.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Zhn-x560.exe

pid process

760 Zhn-x560.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Zhn-x560.exeZhn-x560.exe

description pid process

Token: SeDebugPrivilege 2884 Zhn-x560.exe
Token: SeDebugPrivilege 760 Zhn-x560.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	Zhn-x560.exe

description	pid	process	target process
PID 2884 set thread context of 760	2884	Zhn-x560.exe	Zhn-x560.exe

pid	process
2644	schtasks.exe
2456	schtasks.exe

pid	process
2884	Zhn-x560.exe
2884	Zhn-x560.exe
760	Zhn-x560.exe
760	Zhn-x560.exe

pid	process
760	Zhn-x560.exe

description	pid	process
Token: SeDebugPrivilege	2884	Zhn-x560.exe
Token: SeDebugPrivilege	760	Zhn-x560.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

Zhn-x560.exeZhn-x560.exe

description	pid	process	target process
PID 2884 wrote to memory of 2644	2884	Zhn-x560.exe	schtasks.exe
PID 2884 wrote to memory of 2644	2884	Zhn-x560.exe	schtasks.exe
PID 2884 wrote to memory of 2644	2884	Zhn-x560.exe	schtasks.exe
PID 2884 wrote to memory of 2644	2884	Zhn-x560.exe	schtasks.exe
PID 2884 wrote to memory of 2184	2884	Zhn-x560.exe	Zhn-x560.exe
PID 2884 wrote to memory of 2184	2884	Zhn-x560.exe	Zhn-x560.exe
PID 2884 wrote to memory of 2184	2884	Zhn-x560.exe	Zhn-x560.exe
PID 2884 wrote to memory of 2184	2884	Zhn-x560.exe	Zhn-x560.exe
PID 2884 wrote to memory of 760	2884	Zhn-x560.exe	Zhn-x560.exe
PID 2884 wrote to memory of 760	2884	Zhn-x560.exe	Zhn-x560.exe
PID 2884 wrote to memory of 760	2884	Zhn-x560.exe	Zhn-x560.exe
PID 2884 wrote to memory of 760	2884	Zhn-x560.exe	Zhn-x560.exe
PID 2884 wrote to memory of 760	2884	Zhn-x560.exe	Zhn-x560.exe
PID 2884 wrote to memory of 760	2884	Zhn-x560.exe	Zhn-x560.exe
PID 2884 wrote to memory of 760	2884	Zhn-x560.exe	Zhn-x560.exe
PID 2884 wrote to memory of 760	2884	Zhn-x560.exe	Zhn-x560.exe
PID 2884 wrote to memory of 760	2884	Zhn-x560.exe	Zhn-x560.exe
PID 760 wrote to memory of 2456	760	Zhn-x560.exe	schtasks.exe
PID 760 wrote to memory of 2456	760	Zhn-x560.exe	schtasks.exe
PID 760 wrote to memory of 2456	760	Zhn-x560.exe	schtasks.exe
PID 760 wrote to memory of 2456	760	Zhn-x560.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\Zhn-x560.exe
"C:\Users\Admin\AppData\Local\Temp\Zhn-x560.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2884

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\lEsuaBGK" /XML "C:\Users\Admin\AppData\Local\Temp\tmp30.tmp"
2⤵
- Scheduled Task/Job: Scheduled Task
PID:2644

C:\Users\Admin\AppData\Local\Temp\Zhn-x560.exe
"C:\Users\Admin\AppData\Local\Temp\Zhn-x560.exe"
2⤵
PID:2184

C:\Users\Admin\AppData\Local\Temp\Zhn-x560.exe
"C:\Users\Admin\AppData\Local\Temp\Zhn-x560.exe"
2⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:760

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "SMTP Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmp6C4.tmp"
3⤵
- Scheduled Task/Job: Scheduled Task
PID:2456

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp30.tmp
Filesize
1KB

MD5
22bbc92ee044f8991075ae84d6b83a42

SHA1
36c52ad8e966a25a7797f1df9046ac2f0c618c09

SHA256
181b396d377928488d1480aab569e8673d24c3b5f57ca7586d4c70e835457a56

SHA512
7f0010d3efadf1dd6e3f1dc2bfaf545c48eecd016563f5f6e40b960202adeac8e13cd7da10686c95a1535d599b04ebb2dbb5e52175015bbbcaf2786535914960

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp6C4.tmp
Filesize
1KB

MD5
ec0196350a484d1d0818621ffcf39b33

SHA1
76ff61cc03ac77270760132057eb12612eca9beb

SHA256
63f1d86405afd49db32b4cec03400c3b8cae7bc7bcb1d81287525919b8e4a0cf

SHA512
aa114d5554b78fa8aa88d2d4279dded70a60ca1ecb4c46b7ded6828724e8249c7d1a314b1499e4cd8ea8742949a439d3c85dd4c288a527a0bd5e06761beaf56d

Download Submit
memory/760-25-0x0000000073F70000-0x000000007465E000-memory.dmp

Filesize
6.9MB

Download
memory/760-34-0x0000000073F70000-0x000000007465E000-memory.dmp

Filesize
6.9MB

Download
memory/760-18-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/760-22-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/760-33-0x0000000073F70000-0x000000007465E000-memory.dmp

Filesize
6.9MB

Download
memory/760-32-0x0000000000440000-0x000000000044A000-memory.dmp

Filesize
40KB

Download
memory/760-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/760-13-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/760-12-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/760-20-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/760-31-0x00000000003E0000-0x00000000003FE000-memory.dmp

Filesize
120KB

Download
memory/760-30-0x00000000003D0000-0x00000000003DA000-memory.dmp

Filesize
40KB

Download
memory/760-15-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/760-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/760-23-0x0000000073F70000-0x000000007465E000-memory.dmp

Filesize
6.9MB

Download
memory/2884-24-0x0000000073F70000-0x000000007465E000-memory.dmp

Filesize
6.9MB

Download
memory/2884-0-0x0000000073F7E000-0x0000000073F7F000-memory.dmp

Filesize
4KB

Download
memory/2884-1-0x0000000001220000-0x000000000132A000-memory.dmp

Filesize
1.0MB

Download
memory/2884-3-0x0000000000260000-0x000000000026A000-memory.dmp

Filesize
40KB

Download
memory/2884-4-0x0000000073F7E000-0x0000000073F7F000-memory.dmp

Filesize
4KB

Download
memory/2884-2-0x0000000073F70000-0x000000007465E000-memory.dmp

Filesize
6.9MB

Download
memory/2884-6-0x00000000050D0000-0x0000000005138000-memory.dmp

Filesize
416KB

Download
memory/2884-5-0x0000000073F70000-0x000000007465E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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