nanocore | 62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83

General

Target

62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe
Size

697KB
MD5

c4c93bc9f72bed159b6b2eba554d9ff9
SHA1

5064d1765a61f37b166eccea7747d27e41332c67
SHA256

62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83
SHA512

d313f7791c09e47a832d0934a5e8875f580ac05c0d30f90263c4fa7dc6119cc6e34bdd328d2d1761f2fb82b318ebbacd64b656a5082724b4e181edc04290f409
SSDEEP

12288:Fi0pei36RcXKEl4qS5e99HNkaMAU7Bv7zB8tbcCt4pJ:FFpp36+6EWRerNTnU7BT2lco4

Score

10^/10

nanocore execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

december2n.duckdns.org:65140

december2nd.ddns.net:65140

Mutex

899d14c1-6714-492c-b745-3165bff717a5

Attributes

activate_away_mode
false
backup_connection_host
december2nd.ddns.net
backup_dns_server
buffer_size
65535
build_time
2024-02-27T02:16:51.671967236Z
bypass_user_account_control
false
bypass_user_account_control_data
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
clear_access_control
false
clear_zone_identifier
false
connect_delay
4000
connection_port
65140
default_group
NO GREE
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
899d14c1-6714-492c-b745-3165bff717a5
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
december2n.duckdns.org
primary_dns_server
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
Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
execution

PowerShell
T1059.001

Processes:

powershell.exepowershell.exe

pid process

2244 powershell.exe
2708 powershell.exe

pid	process
2244	powershell.exe
2708	powershell.exe

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\TCP Subsystem = "C:\\Program Files (x86)\\TCP Subsystem\\tcpss.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe

description	pid	process	target process
PID 1120 set thread context of 2468	1120	62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe	RegSvcs.exe

Drops file in Program Files directory 2 IoCs

Processes:

RegSvcs.exe

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

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exeschtasks.exeschtasks.exe

pid process

2836 schtasks.exe
1356 schtasks.exe
2504 schtasks.exe

pid	process
2836	schtasks.exe
1356	schtasks.exe
2504	schtasks.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exepowershell.exepowershell.exeRegSvcs.exe

pid	process
1120	62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe
1120	62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe
1120	62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe
1120	62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe
1120	62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe
1120	62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe
1120	62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe
2708	powershell.exe
2244	powershell.exe
2468	RegSvcs.exe
2468	RegSvcs.exe
2468	RegSvcs.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RegSvcs.exe

pid process

2468 RegSvcs.exe

pid	process
2468	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exepowershell.exepowershell.exeRegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	1120	62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe
Token: SeDebugPrivilege	2708	powershell.exe
Token: SeDebugPrivilege	2244	powershell.exe
Token: SeDebugPrivilege	2468	RegSvcs.exe

Suspicious use of WriteProcessMemory 32 IoCs

Processes:

62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exeRegSvcs.exe

description	pid	process	target process
PID 1120 wrote to memory of 2708	1120	62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe	powershell.exe
PID 1120 wrote to memory of 2708	1120	62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe	powershell.exe
PID 1120 wrote to memory of 2708	1120	62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe	powershell.exe
PID 1120 wrote to memory of 2708	1120	62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe	powershell.exe
PID 1120 wrote to memory of 2244	1120	62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe	powershell.exe
PID 1120 wrote to memory of 2244	1120	62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe	powershell.exe
PID 1120 wrote to memory of 2244	1120	62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe	powershell.exe
PID 1120 wrote to memory of 2244	1120	62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe	powershell.exe
PID 1120 wrote to memory of 2836	1120	62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe	schtasks.exe
PID 1120 wrote to memory of 2836	1120	62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe	schtasks.exe
PID 1120 wrote to memory of 2836	1120	62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe	schtasks.exe
PID 1120 wrote to memory of 2836	1120	62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe	schtasks.exe
PID 1120 wrote to memory of 2468	1120	62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe	RegSvcs.exe
PID 1120 wrote to memory of 2468	1120	62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe	RegSvcs.exe
PID 1120 wrote to memory of 2468	1120	62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe	RegSvcs.exe
PID 1120 wrote to memory of 2468	1120	62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe	RegSvcs.exe
PID 1120 wrote to memory of 2468	1120	62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe	RegSvcs.exe
PID 1120 wrote to memory of 2468	1120	62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe	RegSvcs.exe
PID 1120 wrote to memory of 2468	1120	62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe	RegSvcs.exe
PID 1120 wrote to memory of 2468	1120	62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe	RegSvcs.exe
PID 1120 wrote to memory of 2468	1120	62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe	RegSvcs.exe
PID 1120 wrote to memory of 2468	1120	62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe	RegSvcs.exe
PID 1120 wrote to memory of 2468	1120	62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe	RegSvcs.exe
PID 1120 wrote to memory of 2468	1120	62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe	RegSvcs.exe
PID 2468 wrote to memory of 1356	2468	RegSvcs.exe	schtasks.exe
PID 2468 wrote to memory of 1356	2468	RegSvcs.exe	schtasks.exe
PID 2468 wrote to memory of 1356	2468	RegSvcs.exe	schtasks.exe
PID 2468 wrote to memory of 1356	2468	RegSvcs.exe	schtasks.exe
PID 2468 wrote to memory of 2504	2468	RegSvcs.exe	schtasks.exe
PID 2468 wrote to memory of 2504	2468	RegSvcs.exe	schtasks.exe
PID 2468 wrote to memory of 2504	2468	RegSvcs.exe	schtasks.exe
PID 2468 wrote to memory of 2504	2468	RegSvcs.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe
"C:\Users\Admin\AppData\Local\Temp\62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1120

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe"
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2708

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\aJDyPjUKcXvqr.exe"
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2244

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\aJDyPjUKcXvqr" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5CEF.tmp"
2⤵
- Creates scheduled task(s)
PID:2836

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
- Suspicious use of WriteProcessMemory
PID:2468

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "TCP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp5EC3.tmp"
3⤵
- Creates scheduled task(s)
PID:1356

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "TCP Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp5F6F.tmp"
3⤵
- Creates scheduled task(s)
PID:2504

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

Scheduled Task/Job

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp5CEF.tmp
Filesize
1KB

MD5
e45f7b24f0501f10a6b8ac1d469db035

SHA1
3eb232cc0041fede597e5b47498da1ea2a154446

SHA256
677b0cc4b17aa2cfb093d32b831fe048a62f515f7e28a36ddd863f29cf931d86

SHA512
baf996158b4f849efda2bb894f3b43f8985597ae3686671e5d485948eac8334bb252fe79596fd0a4159091f78c5d20e880e6fc77d75a720766c44440f288cf67

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp5EC3.tmp
Filesize
1KB

MD5
8cad1b41587ced0f1e74396794f31d58

SHA1
11054bf74fcf5e8e412768035e4dae43aa7b710f

SHA256
3086d914f6b23268f8a12cb1a05516cd5465c2577e1d1e449f1b45c8e5e8f83c

SHA512
99c2ef89029de51a866df932841684b7fc912df21e10e2dd0d09e400203bbdc6cba6319a31780b7bf8b286d2cea8ea3fc7d084348bf2f002ab4f5a34218ccbef

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp5F6F.tmp
Filesize
1KB

MD5
4b7ef560289c0f62d0baf6f14f48a57a

SHA1
8331acb90dde588aa3196919f6e847f398fd06d1

SHA256
062844155306130d6fafc4fe10ac9e5ddd2ed462532b729c50cdc979c0d83207

SHA512
ecaa27c4b703d95f9f9b37d8c339982970482e7dab968c2010e0aa644bbfa31973111aafb827565af30c423d1d14e4ff997ec149614e713ff7ef3456894d02d8

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
Filesize
7KB

MD5
4fca6dbcf079e5d4d22e3e723a4cd340

SHA1
d2311712c7b045ff408a93c986a9054e0a3b2fc7

SHA256
5e674fb8a80c5e71d07fa1703c34f9f4ca90267c9900711f42efb3099334aff4

SHA512
c12aaeb2dacd833cf83da6246e2f2c9b8ae721e3fc86817de45e1a9ff8f76362462f9e3cb687291381158135e8afe111145a6b2d6d516185eca5551aa7537ff9

Download Submit
memory/1120-6-0x000000000D570000-0x000000000D5EC000-memory.dmp

Filesize
496KB

Download
memory/1120-31-0x00000000742D0000-0x00000000749BE000-memory.dmp

Filesize
6.9MB

Download
memory/1120-0-0x00000000742DE000-0x00000000742DF000-memory.dmp

Filesize
4KB

Download
memory/1120-4-0x00000000003C0000-0x00000000003CC000-memory.dmp

Filesize
48KB

Download
memory/1120-3-0x0000000000590000-0x00000000005B2000-memory.dmp

Filesize
136KB

Download
memory/1120-5-0x00000000004B0000-0x00000000004C0000-memory.dmp

Filesize
64KB

Download
memory/1120-1-0x0000000000CD0000-0x0000000000D84000-memory.dmp

Filesize
720KB

Download
memory/1120-2-0x00000000742D0000-0x00000000749BE000-memory.dmp

Filesize
6.9MB

Download
memory/2468-19-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2468-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2468-23-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2468-21-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2468-25-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2468-28-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2468-29-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2468-30-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2468-39-0x0000000000920000-0x000000000092A000-memory.dmp

Filesize
40KB

Download
memory/2468-40-0x0000000000A20000-0x0000000000A2C000-memory.dmp

Filesize
48KB

Download
memory/2468-41-0x0000000000A30000-0x0000000000A4E000-memory.dmp

Filesize
120KB

Download
memory/2468-42-0x0000000000A50000-0x0000000000A5A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads