nanocore | 74b5c4b71fb6634b2db9c8501147f6511a376d39dacdfd862d5cd41bf2a7cb08

General

Target

5d37094de877d51eb2f80a7e4b85982c.exe
Size

725KB
MD5

5d37094de877d51eb2f80a7e4b85982c
SHA1

52c8813ad8f95fb165c173427b36094db0bae780
SHA256

74b5c4b71fb6634b2db9c8501147f6511a376d39dacdfd862d5cd41bf2a7cb08
SHA512

23218970ebf48739b4b33745e116c278a8cd133b0a9bdd46effbe61b5cb283a2d8ca1d055c5e1ff21a2a4167af3850a3b66d16c8b248d2a7e0646c15f454f50f
SSDEEP

12288:idRtYVK+orvvsMQIaeAEm3jSdiBXe+K82HbmH13a1rPoceAxYi4QuYQceoYO:iLt1+GvxMEmGYBzR2SH1EPoCfL7Qceb

Score

10^/10

nanocore keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

newsddawork.3utilities.com:1620

maxlogs.webhop.me:1620

Mutex

1fa46b72-10f9-4da3-bc15-84dde165706d

Attributes

activate_away_mode
true
backup_connection_host
maxlogs.webhop.me
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2024-02-17T03:41:10.727034736Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
1620
default_group
NewBin
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
1fa46b72-10f9-4da3-bc15-84dde165706d
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
newsddawork.3utilities.com
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

T1547.001

Modify Registry

T1112

Processes:

RegSvcs.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\LAN Subsystem = "C:\\Program Files (x86)\\LAN Subsystem\\lanss.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

5d37094de877d51eb2f80a7e4b85982c.exe

description pid process target process

PID 2696 set thread context of 2868 2696 5d37094de877d51eb2f80a7e4b85982c.exe RegSvcs.exe

description	pid	process	target process
PID 2696 set thread context of 2868	2696	5d37094de877d51eb2f80a7e4b85982c.exe	RegSvcs.exe

Drops file in Program Files directory 2 IoCs

Processes:

RegSvcs.exe

description	ioc	process
File created	C:\Program Files (x86)\LAN Subsystem\lanss.exe	RegSvcs.exe
File opened for modification	C:\Program Files (x86)\LAN Subsystem\lanss.exe	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

RegSvcs.exe

pid process

2868 RegSvcs.exe
2868 RegSvcs.exe
2868 RegSvcs.exe
2868 RegSvcs.exe
2868 RegSvcs.exe
2868 RegSvcs.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RegSvcs.exe

pid process

2868 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegSvcs.exe

description pid process

Token: SeDebugPrivilege 2868 RegSvcs.exe

pid	process
2868	RegSvcs.exe
2868	RegSvcs.exe
2868	RegSvcs.exe
2868	RegSvcs.exe
2868	RegSvcs.exe
2868	RegSvcs.exe

pid	process
2868	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	2868	RegSvcs.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

5d37094de877d51eb2f80a7e4b85982c.exe

description	pid	process	target process
PID 2696 wrote to memory of 2868	2696	5d37094de877d51eb2f80a7e4b85982c.exe	RegSvcs.exe
PID 2696 wrote to memory of 2868	2696	5d37094de877d51eb2f80a7e4b85982c.exe	RegSvcs.exe
PID 2696 wrote to memory of 2868	2696	5d37094de877d51eb2f80a7e4b85982c.exe	RegSvcs.exe
PID 2696 wrote to memory of 2868	2696	5d37094de877d51eb2f80a7e4b85982c.exe	RegSvcs.exe
PID 2696 wrote to memory of 2868	2696	5d37094de877d51eb2f80a7e4b85982c.exe	RegSvcs.exe
PID 2696 wrote to memory of 2868	2696	5d37094de877d51eb2f80a7e4b85982c.exe	RegSvcs.exe
PID 2696 wrote to memory of 2868	2696	5d37094de877d51eb2f80a7e4b85982c.exe	RegSvcs.exe
PID 2696 wrote to memory of 2868	2696	5d37094de877d51eb2f80a7e4b85982c.exe	RegSvcs.exe
PID 2696 wrote to memory of 2868	2696	5d37094de877d51eb2f80a7e4b85982c.exe	RegSvcs.exe
PID 2696 wrote to memory of 2868	2696	5d37094de877d51eb2f80a7e4b85982c.exe	RegSvcs.exe
PID 2696 wrote to memory of 2868	2696	5d37094de877d51eb2f80a7e4b85982c.exe	RegSvcs.exe
PID 2696 wrote to memory of 2868	2696	5d37094de877d51eb2f80a7e4b85982c.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\5d37094de877d51eb2f80a7e4b85982c.exe
"C:\Users\Admin\AppData\Local\Temp\5d37094de877d51eb2f80a7e4b85982c.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2696

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:2868

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2696-22-0x0000000074B60000-0x000000007524E000-memory.dmp

Filesize
6.9MB

Download
memory/2696-1-0x0000000001220000-0x00000000012DC000-memory.dmp

Filesize
752KB

Download
memory/2696-2-0x0000000074B60000-0x000000007524E000-memory.dmp

Filesize
6.9MB

Download
memory/2696-3-0x00000000004D0000-0x00000000004E0000-memory.dmp

Filesize
64KB

Download
memory/2696-4-0x0000000000540000-0x000000000054E000-memory.dmp

Filesize
56KB

Download
memory/2696-5-0x0000000001050000-0x00000000010CA000-memory.dmp

Filesize
488KB

Download
memory/2696-0-0x0000000074B6E000-0x0000000074B6F000-memory.dmp

Filesize
4KB

Download
memory/2868-24-0x0000000074B60000-0x000000007524E000-memory.dmp

Filesize
6.9MB

Download
memory/2868-31-0x0000000000820000-0x0000000000832000-memory.dmp

Filesize
72KB

Download
memory/2868-18-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2868-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2868-12-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2868-10-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2868-8-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2868-21-0x0000000074B60000-0x000000007524E000-memory.dmp

Filesize
6.9MB

Download
memory/2868-16-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2868-7-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2868-26-0x00000000004A0000-0x00000000004AA000-memory.dmp

Filesize
40KB

Download
memory/2868-27-0x00000000004B0000-0x00000000004CE000-memory.dmp

Filesize
120KB

Download
memory/2868-28-0x00000000006B0000-0x00000000006BA000-memory.dmp

Filesize
40KB

Download
memory/2868-20-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2868-32-0x0000000000D10000-0x0000000000D2A000-memory.dmp

Filesize
104KB

Download
memory/2868-33-0x0000000000BA0000-0x0000000000BAE000-memory.dmp

Filesize
56KB

Download
memory/2868-36-0x0000000000DC0000-0x0000000000DCE000-memory.dmp

Filesize
56KB

Download
memory/2868-35-0x0000000000DB0000-0x0000000000DBC000-memory.dmp

Filesize
48KB

Download
memory/2868-34-0x0000000000CC0000-0x0000000000CD2000-memory.dmp

Filesize
72KB

Download
memory/2868-37-0x0000000000DD0000-0x0000000000DE4000-memory.dmp

Filesize
80KB

Download
memory/2868-38-0x0000000000FE0000-0x0000000000FF0000-memory.dmp

Filesize
64KB

Download
memory/2868-39-0x0000000000FF0000-0x0000000001004000-memory.dmp

Filesize
80KB

Download
memory/2868-40-0x0000000001100000-0x000000000110E000-memory.dmp

Filesize
56KB

Download
memory/2868-41-0x0000000001170000-0x000000000119E000-memory.dmp

Filesize
184KB

Download
memory/2868-42-0x0000000001120000-0x0000000001134000-memory.dmp

Filesize
80KB

Download
memory/2868-48-0x0000000074B60000-0x000000007524E000-memory.dmp

Filesize
6.9MB

Download
memory/2868-49-0x0000000074B60000-0x000000007524E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads