nanocore | 62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83

General

Target

6WWUgqjTcGWPAyI.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

2644 powershell.exe
2564 powershell.exe

pid	process
2644	powershell.exe
2564	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\DDP Subsystem = "C:\\Program Files (x86)\\DDP Subsystem\\ddpss.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

6WWUgqjTcGWPAyI.exe

description pid process target process

PID 2028 set thread context of 2460 2028 6WWUgqjTcGWPAyI.exe RegSvcs.exe

description	pid	process	target process
PID 2028 set thread context of 2460	2028	6WWUgqjTcGWPAyI.exe	RegSvcs.exe

Drops file in Program Files directory 2 IoCs

Processes:

RegSvcs.exe

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

2428 schtasks.exe
2152 schtasks.exe
2844 schtasks.exe

pid	process
2428	schtasks.exe
2152	schtasks.exe
2844	schtasks.exe

Suspicious behavior: EnumeratesProcesses 17 IoCs

Processes:

6WWUgqjTcGWPAyI.exepowershell.exepowershell.exeRegSvcs.exe

pid	process
2028	6WWUgqjTcGWPAyI.exe
2028	6WWUgqjTcGWPAyI.exe
2028	6WWUgqjTcGWPAyI.exe
2028	6WWUgqjTcGWPAyI.exe
2028	6WWUgqjTcGWPAyI.exe
2028	6WWUgqjTcGWPAyI.exe
2028	6WWUgqjTcGWPAyI.exe
2028	6WWUgqjTcGWPAyI.exe
2028	6WWUgqjTcGWPAyI.exe
2564	powershell.exe
2644	powershell.exe
2460	RegSvcs.exe
2460	RegSvcs.exe
2460	RegSvcs.exe
2460	RegSvcs.exe
2460	RegSvcs.exe
2460	RegSvcs.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RegSvcs.exe

pid process

2460 RegSvcs.exe

pid	process
2460	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

6WWUgqjTcGWPAyI.exepowershell.exepowershell.exeRegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	2028	6WWUgqjTcGWPAyI.exe
Token: SeDebugPrivilege	2564	powershell.exe
Token: SeDebugPrivilege	2644	powershell.exe
Token: SeDebugPrivilege	2460	RegSvcs.exe

Suspicious use of WriteProcessMemory 39 IoCs

Processes:

6WWUgqjTcGWPAyI.exeRegSvcs.exe

description	pid	process	target process
PID 2028 wrote to memory of 2644	2028	6WWUgqjTcGWPAyI.exe	powershell.exe
PID 2028 wrote to memory of 2644	2028	6WWUgqjTcGWPAyI.exe	powershell.exe
PID 2028 wrote to memory of 2644	2028	6WWUgqjTcGWPAyI.exe	powershell.exe
PID 2028 wrote to memory of 2644	2028	6WWUgqjTcGWPAyI.exe	powershell.exe
PID 2028 wrote to memory of 2564	2028	6WWUgqjTcGWPAyI.exe	powershell.exe
PID 2028 wrote to memory of 2564	2028	6WWUgqjTcGWPAyI.exe	powershell.exe
PID 2028 wrote to memory of 2564	2028	6WWUgqjTcGWPAyI.exe	powershell.exe
PID 2028 wrote to memory of 2564	2028	6WWUgqjTcGWPAyI.exe	powershell.exe
PID 2028 wrote to memory of 2152	2028	6WWUgqjTcGWPAyI.exe	schtasks.exe
PID 2028 wrote to memory of 2152	2028	6WWUgqjTcGWPAyI.exe	schtasks.exe
PID 2028 wrote to memory of 2152	2028	6WWUgqjTcGWPAyI.exe	schtasks.exe
PID 2028 wrote to memory of 2152	2028	6WWUgqjTcGWPAyI.exe	schtasks.exe
PID 2028 wrote to memory of 2452	2028	6WWUgqjTcGWPAyI.exe	RegSvcs.exe
PID 2028 wrote to memory of 2452	2028	6WWUgqjTcGWPAyI.exe	RegSvcs.exe
PID 2028 wrote to memory of 2452	2028	6WWUgqjTcGWPAyI.exe	RegSvcs.exe
PID 2028 wrote to memory of 2452	2028	6WWUgqjTcGWPAyI.exe	RegSvcs.exe
PID 2028 wrote to memory of 2452	2028	6WWUgqjTcGWPAyI.exe	RegSvcs.exe
PID 2028 wrote to memory of 2452	2028	6WWUgqjTcGWPAyI.exe	RegSvcs.exe
PID 2028 wrote to memory of 2452	2028	6WWUgqjTcGWPAyI.exe	RegSvcs.exe
PID 2028 wrote to memory of 2460	2028	6WWUgqjTcGWPAyI.exe	RegSvcs.exe
PID 2028 wrote to memory of 2460	2028	6WWUgqjTcGWPAyI.exe	RegSvcs.exe
PID 2028 wrote to memory of 2460	2028	6WWUgqjTcGWPAyI.exe	RegSvcs.exe
PID 2028 wrote to memory of 2460	2028	6WWUgqjTcGWPAyI.exe	RegSvcs.exe
PID 2028 wrote to memory of 2460	2028	6WWUgqjTcGWPAyI.exe	RegSvcs.exe
PID 2028 wrote to memory of 2460	2028	6WWUgqjTcGWPAyI.exe	RegSvcs.exe
PID 2028 wrote to memory of 2460	2028	6WWUgqjTcGWPAyI.exe	RegSvcs.exe
PID 2028 wrote to memory of 2460	2028	6WWUgqjTcGWPAyI.exe	RegSvcs.exe
PID 2028 wrote to memory of 2460	2028	6WWUgqjTcGWPAyI.exe	RegSvcs.exe
PID 2028 wrote to memory of 2460	2028	6WWUgqjTcGWPAyI.exe	RegSvcs.exe
PID 2028 wrote to memory of 2460	2028	6WWUgqjTcGWPAyI.exe	RegSvcs.exe
PID 2028 wrote to memory of 2460	2028	6WWUgqjTcGWPAyI.exe	RegSvcs.exe
PID 2460 wrote to memory of 2844	2460	RegSvcs.exe	schtasks.exe
PID 2460 wrote to memory of 2844	2460	RegSvcs.exe	schtasks.exe
PID 2460 wrote to memory of 2844	2460	RegSvcs.exe	schtasks.exe
PID 2460 wrote to memory of 2844	2460	RegSvcs.exe	schtasks.exe
PID 2460 wrote to memory of 2428	2460	RegSvcs.exe	schtasks.exe
PID 2460 wrote to memory of 2428	2460	RegSvcs.exe	schtasks.exe
PID 2460 wrote to memory of 2428	2460	RegSvcs.exe	schtasks.exe
PID 2460 wrote to memory of 2428	2460	RegSvcs.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\6WWUgqjTcGWPAyI.exe
"C:\Users\Admin\AppData\Local\Temp\6WWUgqjTcGWPAyI.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2028

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\6WWUgqjTcGWPAyI.exe"
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2644

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:2564

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\aJDyPjUKcXvqr" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5E27.tmp"
2⤵
- Creates scheduled task(s)
PID:2152

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
PID:2452

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:2460

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DDP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp6058.tmp"
3⤵
- Creates scheduled task(s)
PID:2844

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DDP Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp60B7.tmp"
3⤵
- Creates scheduled task(s)
PID:2428

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp5E27.tmp
Filesize
1KB

MD5
b40a9c1d00ae06c3eceea9dd288cef71

SHA1
2456d1641fd1476d7092b4233abcc0acabd07ab2

SHA256
c7502e3c4b044667b6361505b32e756c65986c55be5a0013f7dd5d57852a0617

SHA512
f9fd1af9a4aee6f3649d5cb5c1023e47253068263f2ed2089cf9cc2a8239fbe1dcb1e8aaa8a4adcd649fdbaeb7b218a64952c694ca66ed75065beea6854ca7b3

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp6058.tmp
Filesize
1KB

MD5
8cad1b41587ced0f1e74396794f31d58

SHA1
11054bf74fcf5e8e412768035e4dae43aa7b710f

SHA256
3086d914f6b23268f8a12cb1a05516cd5465c2577e1d1e449f1b45c8e5e8f83c

SHA512
99c2ef89029de51a866df932841684b7fc912df21e10e2dd0d09e400203bbdc6cba6319a31780b7bf8b286d2cea8ea3fc7d084348bf2f002ab4f5a34218ccbef

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp60B7.tmp
Filesize
1KB

MD5
8e2d5fba24ae8a54087d8e6cadc188c1

SHA1
548555025543b4773b8f36301f5fa5003e1c85dc

SHA256
f8a3739cca23897792b42a11a21adcce745201fa19f8d84ec66a6e0c5e519759

SHA512
9246583d7b08152cd73dc40254013e1ae4b8c93603dbb1f4e6b82624e14b134c59de6c8039b588f14075602768a388121e985f886322ae5fb9ec2eee94d4ea3d

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

MD5
fbc62ff1209b3ace4fca33293fdd96ba

SHA1
d9b1a128695e51d8dd1c01ed7384a73e2ef7cf6f

SHA256
e6cf943db737782eead9c965cb0c2bc04fb0aee2c6ef28588288367ecf86ffcc

SHA512
e35540aee01f02202f0698ad1070719e91859bad6f20792ba28a6c76116f7785f8d8b2c8b3c1f8f720a634c14e30c13ae4fa31e235af59fba821389f2495309c

Download Submit
memory/2028-31-0x00000000749A0000-0x000000007508E000-memory.dmp

Filesize
6.9MB

Download
memory/2028-1-0x0000000001100000-0x00000000011B4000-memory.dmp

Filesize
720KB

Download
memory/2028-2-0x00000000749A0000-0x000000007508E000-memory.dmp

Filesize
6.9MB

Download
memory/2028-3-0x0000000000680000-0x00000000006A2000-memory.dmp

Filesize
136KB

Download
memory/2028-4-0x00000000005C0000-0x00000000005CC000-memory.dmp

Filesize
48KB

Download
memory/2028-5-0x0000000000420000-0x0000000000430000-memory.dmp

Filesize
64KB

Download
memory/2028-6-0x0000000005E20000-0x0000000005E9C000-memory.dmp

Filesize
496KB

Download
memory/2028-0-0x00000000749AE000-0x00000000749AF000-memory.dmp

Filesize
4KB

Download
memory/2460-19-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2460-42-0x0000000000800000-0x000000000080A000-memory.dmp

Filesize
40KB

Download
memory/2460-29-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2460-28-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2460-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2460-23-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2460-25-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2460-21-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2460-39-0x0000000000600000-0x000000000060A000-memory.dmp

Filesize
40KB

Download
memory/2460-40-0x0000000000610000-0x000000000061C000-memory.dmp

Filesize
48KB

Download
memory/2460-41-0x0000000000620000-0x000000000063E000-memory.dmp

Filesize
120KB

Download
memory/2460-30-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2460-46-0x0000000000A00000-0x0000000000A1A000-memory.dmp

Filesize
104KB

Download
memory/2460-45-0x0000000000820000-0x0000000000832000-memory.dmp

Filesize
72KB

Download
memory/2460-48-0x0000000000BD0000-0x0000000000BE2000-memory.dmp

Filesize
72KB

Download
memory/2460-47-0x0000000000AB0000-0x0000000000ABE000-memory.dmp

Filesize
56KB

Download
memory/2460-49-0x0000000000BE0000-0x0000000000BEE000-memory.dmp

Filesize
56KB

Download
memory/2460-50-0x0000000000BF0000-0x0000000000BFC000-memory.dmp

Filesize
48KB

Download
memory/2460-51-0x0000000000C00000-0x0000000000C14000-memory.dmp

Filesize
80KB

Download
memory/2460-52-0x0000000002140000-0x0000000002150000-memory.dmp

Filesize
64KB

Download
memory/2460-53-0x0000000002150000-0x0000000002164000-memory.dmp

Filesize
80KB

Download
memory/2460-55-0x0000000004780000-0x00000000047AE000-memory.dmp

Filesize
184KB

Download
memory/2460-54-0x00000000042B0000-0x00000000042BE000-memory.dmp

Filesize
56KB

Download
memory/2460-56-0x00000000046E0000-0x00000000046F4000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads