nanocore | 44eae16cf38376d158b41110880be13da97dc492ccec500d8931104d85fd907c

General

Target

ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe
Size

945KB
MD5

a1f6c95a377a8c4c194a018614a6b463
SHA1

cd8ce511a2ac57aec39892c0b27832a18e77fc39
SHA256

ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c
SHA512

fb93341612485022964338a421fbf6a77876d1efc492307e18a4fa28354643f8675cf685847ee8ffc9315232449f1c6b8aab674bb2beb0dc5e14ca6e020510a5
SSDEEP

12288:gI0MYBl4BwkivLUyyqexCwG879IO0MgsaQ/nsy9LHr24HwmU3V50:50MYfMweyTivP7yO7aQ/nsWRQJV5

Score

10^/10

nanocore execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

december2nd.ddns.net:65024

december2n.duckdns.org:65024

Mutex

2c009a56-c28c-48f4-8875-acf9e1222e9f

Attributes

activate_away_mode
false
backup_connection_host
december2n.duckdns.org
backup_dns_server
buffer_size
65535
build_time
2024-02-17T09:12:36.211032636Z
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
65024
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
2c009a56-c28c-48f4-8875-acf9e1222e9f
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
december2nd.ddns.net
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

2596 powershell.exe
2620 powershell.exe

pid	process
2596	powershell.exe
2620	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 Service = "C:\\Program Files (x86)\\TCP Service\\tcpsv.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe

description	pid	process	target process
PID 2748 set thread context of 2468	2748	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	RegSvcs.exe

Drops file in Program Files directory 2 IoCs

Processes:

RegSvcs.exe

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

2768 schtasks.exe
1400 schtasks.exe
2148 schtasks.exe

pid	process
2768	schtasks.exe
1400	schtasks.exe
2148	schtasks.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exepowershell.exepowershell.exeRegSvcs.exe

pid	process
2748	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe
2748	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe
2748	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe
2748	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe
2748	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe
2748	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe
2620	powershell.exe
2596	powershell.exe
2748	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.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:

ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exepowershell.exepowershell.exeRegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	2748	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe
Token: SeDebugPrivilege	2620	powershell.exe
Token: SeDebugPrivilege	2596	powershell.exe
Token: SeDebugPrivilege	2468	RegSvcs.exe

Suspicious use of WriteProcessMemory 32 IoCs

Processes:

ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exeRegSvcs.exe

description	pid	process	target process
PID 2748 wrote to memory of 2596	2748	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	powershell.exe
PID 2748 wrote to memory of 2596	2748	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	powershell.exe
PID 2748 wrote to memory of 2596	2748	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	powershell.exe
PID 2748 wrote to memory of 2596	2748	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	powershell.exe
PID 2748 wrote to memory of 2620	2748	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	powershell.exe
PID 2748 wrote to memory of 2620	2748	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	powershell.exe
PID 2748 wrote to memory of 2620	2748	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	powershell.exe
PID 2748 wrote to memory of 2620	2748	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	powershell.exe
PID 2748 wrote to memory of 2148	2748	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	schtasks.exe
PID 2748 wrote to memory of 2148	2748	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	schtasks.exe
PID 2748 wrote to memory of 2148	2748	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	schtasks.exe
PID 2748 wrote to memory of 2148	2748	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	schtasks.exe
PID 2748 wrote to memory of 2468	2748	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	RegSvcs.exe
PID 2748 wrote to memory of 2468	2748	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	RegSvcs.exe
PID 2748 wrote to memory of 2468	2748	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	RegSvcs.exe
PID 2748 wrote to memory of 2468	2748	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	RegSvcs.exe
PID 2748 wrote to memory of 2468	2748	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	RegSvcs.exe
PID 2748 wrote to memory of 2468	2748	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	RegSvcs.exe
PID 2748 wrote to memory of 2468	2748	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	RegSvcs.exe
PID 2748 wrote to memory of 2468	2748	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	RegSvcs.exe
PID 2748 wrote to memory of 2468	2748	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	RegSvcs.exe
PID 2748 wrote to memory of 2468	2748	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	RegSvcs.exe
PID 2748 wrote to memory of 2468	2748	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	RegSvcs.exe
PID 2748 wrote to memory of 2468	2748	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	RegSvcs.exe
PID 2468 wrote to memory of 2768	2468	RegSvcs.exe	schtasks.exe
PID 2468 wrote to memory of 2768	2468	RegSvcs.exe	schtasks.exe
PID 2468 wrote to memory of 2768	2468	RegSvcs.exe	schtasks.exe
PID 2468 wrote to memory of 2768	2468	RegSvcs.exe	schtasks.exe
PID 2468 wrote to memory of 1400	2468	RegSvcs.exe	schtasks.exe
PID 2468 wrote to memory of 1400	2468	RegSvcs.exe	schtasks.exe
PID 2468 wrote to memory of 1400	2468	RegSvcs.exe	schtasks.exe
PID 2468 wrote to memory of 1400	2468	RegSvcs.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe
"C:\Users\Admin\AppData\Local\Temp\ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2748

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\ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe"
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2596

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\fupTmRCVq.exe"
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2620

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fupTmRCVq" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5ABD.tmp"
2⤵
- Creates scheduled task(s)
PID:2148

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 Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp5D2D.tmp"
3⤵
- Creates scheduled task(s)
PID:2768

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "TCP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp5DAB.tmp"
3⤵
- Creates scheduled task(s)
PID:1400

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\tmp5ABD.tmp
Filesize
1KB

MD5
37c3bf061fc83cfa0fff578991861201

SHA1
2f763a0934087412b1b3691a3ffa0285761861ec

SHA256
e560ac3d5703190d0e476ce0e75ec41d3a7fa9a5e557f593e888b969ed6745cb

SHA512
70f11f01ce8d207b68a5838da320fba289d26b3060911357e6551c935bde0450b97d2e01f36dd9a5d304210d30b8d5a2e858a974ffaf80dd320e3e95af462a8d

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp5D2D.tmp
Filesize
1KB

MD5
8cad1b41587ced0f1e74396794f31d58

SHA1
11054bf74fcf5e8e412768035e4dae43aa7b710f

SHA256
3086d914f6b23268f8a12cb1a05516cd5465c2577e1d1e449f1b45c8e5e8f83c

SHA512
99c2ef89029de51a866df932841684b7fc912df21e10e2dd0d09e400203bbdc6cba6319a31780b7bf8b286d2cea8ea3fc7d084348bf2f002ab4f5a34218ccbef

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp5DAB.tmp
Filesize
1KB

MD5
93fc3117767507c9889abd12dc667d22

SHA1
1096e4cfa0c35756e3c3fb866c1e4c1e59115df9

SHA256
684997dd4ce15031cec8f2f93933b1d41d7bf5cbbff655dd64377b07055c449a

SHA512
e403348ee77bd3e7c45245dd5dae81c3ea130d5cf342f630982772ce5f75548b292013480e2831d68cf51349b64afde4589d4eec94b567d20f0a01e3b9549bdc

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

MD5
69c58f4124429dd53434a75cf554075d

SHA1
6181cff3f505cfd5d5c00c1fcff782c3ee5153b2

SHA256
fcd71c06dd16c7b5044cce47432ccbe959b6e65c2500123272e219822a0abe2f

SHA512
6c0b602eb36320c5fd63df81c0f49fccc684a45de764d70126077ec28bb7f89c0d97b0f6ced35a55d25ccbcc8d128a5f93be3b24008be09bc87c413c120d33a4

Download Submit
memory/2468-40-0x0000000000370000-0x000000000037A000-memory.dmp

Filesize
40KB

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

Filesize
232KB

Download
memory/2468-41-0x0000000000390000-0x000000000039C000-memory.dmp

Filesize
48KB

Download
memory/2468-42-0x00000000006B0000-0x00000000006CE000-memory.dmp

Filesize
120KB

Download
memory/2468-43-0x00000000003F0000-0x00000000003FA000-memory.dmp

Filesize
40KB

Download
memory/2468-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2468-22-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2468-31-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

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

Filesize
232KB

Download
memory/2468-26-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2468-24-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2468-20-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2748-6-0x0000000005410000-0x000000000548C000-memory.dmp

Filesize
496KB

Download
memory/2748-19-0x00000000745EE000-0x00000000745EF000-memory.dmp

Filesize
4KB

Download
memory/2748-32-0x00000000745E0000-0x0000000074CCE000-memory.dmp

Filesize
6.9MB

Download
memory/2748-0-0x00000000745EE000-0x00000000745EF000-memory.dmp

Filesize
4KB

Download
memory/2748-5-0x0000000000530000-0x0000000000546000-memory.dmp

Filesize
88KB

Download
memory/2748-4-0x0000000000520000-0x0000000000530000-memory.dmp

Filesize
64KB

Download
memory/2748-3-0x00000000004E0000-0x00000000004FE000-memory.dmp

Filesize
120KB

Download
memory/2748-2-0x00000000745E0000-0x0000000074CCE000-memory.dmp

Filesize
6.9MB

Download
memory/2748-1-0x0000000000870000-0x0000000000962000-memory.dmp

Filesize
968KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads