nanocore | 5abf93cc92fa60048726bce14b42a84e753a0c9181db1106a2380bc81d259048

General

Target

WENZHOU READSUN OPTICAL LTD_PDF ORDER.exe
Size

616KB
MD5

8b8454c72a1cdcb7b049df156be131ac
SHA1

90bef0e62e6699b7f1549d41f41ceb8f702e9477
SHA256

42e7b0bc64037556ec415d6f869b09205a85d746550ad196c07d4be7ae739155
SHA512

aa7368141973c28c501f33321915bc1fc90e735828f2c99bf3cb62dbb2eaaeb506d43bd2b517b4f05dfd4b0ba8273d237e2f54aba5ce6f03cdd5e8faeca661e5

Score

10^/10

nanocore evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

194.5.98.8:4573

127.0.0.1:4573

Mutex

79c69afc-b40c-40c4-acaa-6b92927e2492

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-02-13T17:36:07.555094636Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
4573
default_group
offor
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
79c69afc-b40c-40c4-acaa-6b92927e2492
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
194.5.98.8
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

Modifies Windows Defender Real-time Protection settings 3 TTPs
evasion trojan

Modify Registry
T1112

Modify Existing Service
T1031

Disabling Security Tools
T1089
NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
keylogger trojan stealer spyware nanocore

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

WENZHOU READSUN OPTICAL LTD_PDF ORDER.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	WENZHOU READSUN OPTICAL LTD_PDF ORDER.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	WENZHOU READSUN OPTICAL LTD_PDF ORDER.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

WENZHOU READSUN OPTICAL LTD_PDF ORDER.exe

description pid process target process

PID 1820 set thread context of 1972 1820 WENZHOU READSUN OPTICAL LTD_PDF ORDER.exe RegSvcs.exe

description	pid	process	target process
PID 1820 set thread context of 1972	1820	WENZHOU READSUN OPTICAL LTD_PDF ORDER.exe	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

WENZHOU READSUN OPTICAL LTD_PDF ORDER.exepowershell.exeRegSvcs.exe

pid	process
1820	WENZHOU READSUN OPTICAL LTD_PDF ORDER.exe
1820	WENZHOU READSUN OPTICAL LTD_PDF ORDER.exe
1820	WENZHOU READSUN OPTICAL LTD_PDF ORDER.exe
2420	powershell.exe
2420	powershell.exe
1820	WENZHOU READSUN OPTICAL LTD_PDF ORDER.exe
1972	RegSvcs.exe
1972	RegSvcs.exe
1972	RegSvcs.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RegSvcs.exe

pid process

1972 RegSvcs.exe

pid	process
1972	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WENZHOU READSUN OPTICAL LTD_PDF ORDER.exepowershell.exeRegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	1820	WENZHOU READSUN OPTICAL LTD_PDF ORDER.exe
Token: SeDebugPrivilege	2420	powershell.exe
Token: SeDebugPrivilege	1972	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

WENZHOU READSUN OPTICAL LTD_PDF ORDER.exe

description	pid	process	target process
PID 1820 wrote to memory of 2420	1820	WENZHOU READSUN OPTICAL LTD_PDF ORDER.exe	powershell.exe
PID 1820 wrote to memory of 2420	1820	WENZHOU READSUN OPTICAL LTD_PDF ORDER.exe	powershell.exe
PID 1820 wrote to memory of 2420	1820	WENZHOU READSUN OPTICAL LTD_PDF ORDER.exe	powershell.exe
PID 1820 wrote to memory of 1972	1820	WENZHOU READSUN OPTICAL LTD_PDF ORDER.exe	RegSvcs.exe
PID 1820 wrote to memory of 1972	1820	WENZHOU READSUN OPTICAL LTD_PDF ORDER.exe	RegSvcs.exe
PID 1820 wrote to memory of 1972	1820	WENZHOU READSUN OPTICAL LTD_PDF ORDER.exe	RegSvcs.exe
PID 1820 wrote to memory of 1972	1820	WENZHOU READSUN OPTICAL LTD_PDF ORDER.exe	RegSvcs.exe
PID 1820 wrote to memory of 1972	1820	WENZHOU READSUN OPTICAL LTD_PDF ORDER.exe	RegSvcs.exe
PID 1820 wrote to memory of 1972	1820	WENZHOU READSUN OPTICAL LTD_PDF ORDER.exe	RegSvcs.exe
PID 1820 wrote to memory of 1972	1820	WENZHOU READSUN OPTICAL LTD_PDF ORDER.exe	RegSvcs.exe
PID 1820 wrote to memory of 1972	1820	WENZHOU READSUN OPTICAL LTD_PDF ORDER.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\WENZHOU READSUN OPTICAL LTD_PDF ORDER.exe
"C:\Users\Admin\AppData\Local\Temp\WENZHOU READSUN OPTICAL LTD_PDF ORDER.exe"
1⤵
- Windows security modification
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1820

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"powershell" Get-MpPreference -verbose
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2420

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
"{path}"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:1972

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Disabling Security Tools

2

T1089

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1820-130-0x0000000074B90000-0x0000000075141000-memory.dmp

Filesize
5.7MB

Download
memory/1972-150-0x0000000074B90000-0x0000000075141000-memory.dmp

Filesize
5.7MB

Download
memory/1972-149-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1972-148-0x0000000000000000-mapping.dmp

Download
memory/2420-140-0x0000000006870000-0x000000000688E000-memory.dmp

Filesize
120KB

Download
memory/2420-143-0x0000000007660000-0x000000000766A000-memory.dmp

Filesize
40KB

Download
memory/2420-136-0x0000000005CE0000-0x0000000005D46000-memory.dmp

Filesize
408KB

Download
memory/2420-137-0x0000000006270000-0x000000000628E000-memory.dmp

Filesize
120KB

Download
memory/2420-138-0x00000000068C0000-0x00000000068F2000-memory.dmp

Filesize
200KB

Download
memory/2420-139-0x000000006E8B0000-0x000000006E8FC000-memory.dmp

Filesize
304KB

Download
memory/2420-134-0x0000000005420000-0x0000000005442000-memory.dmp

Filesize
136KB

Download
memory/2420-141-0x0000000007C20000-0x000000000829A000-memory.dmp

Filesize
6.5MB

Download
memory/2420-142-0x00000000075E0000-0x00000000075FA000-memory.dmp

Filesize
104KB

Download
memory/2420-135-0x0000000005C00000-0x0000000005C66000-memory.dmp

Filesize
408KB

Download
memory/2420-144-0x0000000007870000-0x0000000007906000-memory.dmp

Filesize
600KB

Download
memory/2420-145-0x0000000007820000-0x000000000782E000-memory.dmp

Filesize
56KB

Download
memory/2420-146-0x0000000007930000-0x000000000794A000-memory.dmp

Filesize
104KB

Download
memory/2420-147-0x0000000007910000-0x0000000007918000-memory.dmp

Filesize
32KB

Download
memory/2420-133-0x0000000005460000-0x0000000005A88000-memory.dmp

Filesize
6.2MB

Download
memory/2420-132-0x0000000004D00000-0x0000000004D36000-memory.dmp

Filesize
216KB

Download
memory/2420-131-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads