nanocore | 44eae16cf38376d158b41110880be13da97dc492ccec500d8931104d85fd907c

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
11/05/2024, 08:38

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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

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

pid	Process
2300	powershell.exe
2672	powershell.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\DHCP Host = "C:\\Program Files (x86)\\DHCP Host\\dhcphost.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2936 set thread context of 2496	2936	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	34

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\DHCP Host\dhcphost.exe	RegSvcs.exe
File opened for modification	C:\Program Files (x86)\DHCP Host\dhcphost.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

pid	Process
2604	schtasks.exe
1432	schtasks.exe
2548	schtasks.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
2936	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe
2936	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe
2936	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe
2936	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe
2936	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe
2936	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe
2936	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe
2300	powershell.exe
2672	powershell.exe
2496	RegSvcs.exe
2496	RegSvcs.exe
2496	RegSvcs.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2496	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2936	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe
Token: SeDebugPrivilege	2300	powershell.exe
Token: SeDebugPrivilege	2672	powershell.exe
Token: SeDebugPrivilege	2496	RegSvcs.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 2936 wrote to memory of 2300	2936	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	28
PID 2936 wrote to memory of 2300	2936	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	28
PID 2936 wrote to memory of 2300	2936	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	28
PID 2936 wrote to memory of 2300	2936	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	28
PID 2936 wrote to memory of 2672	2936	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	30
PID 2936 wrote to memory of 2672	2936	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	30
PID 2936 wrote to memory of 2672	2936	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	30
PID 2936 wrote to memory of 2672	2936	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	30
PID 2936 wrote to memory of 2604	2936	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	31
PID 2936 wrote to memory of 2604	2936	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	31
PID 2936 wrote to memory of 2604	2936	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	31
PID 2936 wrote to memory of 2604	2936	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	31
PID 2936 wrote to memory of 2496	2936	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	34
PID 2936 wrote to memory of 2496	2936	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	34
PID 2936 wrote to memory of 2496	2936	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	34
PID 2936 wrote to memory of 2496	2936	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	34
PID 2936 wrote to memory of 2496	2936	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	34
PID 2936 wrote to memory of 2496	2936	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	34
PID 2936 wrote to memory of 2496	2936	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	34
PID 2936 wrote to memory of 2496	2936	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	34
PID 2936 wrote to memory of 2496	2936	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	34
PID 2936 wrote to memory of 2496	2936	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	34
PID 2936 wrote to memory of 2496	2936	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	34
PID 2936 wrote to memory of 2496	2936	ee66629e98c3278017e7297d3b2b57aac9783a51a46b34046ccc866d10ba4f3c.exe	34
PID 2496 wrote to memory of 1432	2496	RegSvcs.exe	35
PID 2496 wrote to memory of 1432	2496	RegSvcs.exe	35
PID 2496 wrote to memory of 1432	2496	RegSvcs.exe	35
PID 2496 wrote to memory of 1432	2496	RegSvcs.exe	35
PID 2496 wrote to memory of 2548	2496	RegSvcs.exe	37
PID 2496 wrote to memory of 2548	2496	RegSvcs.exe	37
PID 2496 wrote to memory of 2548	2496	RegSvcs.exe	37
PID 2496 wrote to memory of 2548	2496	RegSvcs.exe	37

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:2936
- 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:2300
- 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:2672
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fupTmRCVq" /XML "C:\Users\Admin\AppData\Local\Temp\tmp65B5.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2604
- 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:2496
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "DHCP Host" /xml "C:\Users\Admin\AppData\Local\Temp\tmp6789.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:1432
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "DHCP Host Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp6826.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:2548

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp65B5.tmp

Filesize
1KB

MD5
06bdbfcf19804b225e4d680b1e19e402

SHA1
c971d8c330289a91452fc62c185709dc9403ac24

SHA256
b2c0c45a73e4ec3c4395995c0bf3e4cfa9334c5b8da5818cb621c732fd8079a6

SHA512
5fb2ee00d450d43951031326807b13f8d5ce6ee1dd2690a4f16ed6b3084c2467b227ba467b47a9d8f4511eb08afc688050c0dc6a31e8f77f05762afc0cbab640

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp6789.tmp

Filesize
1KB

MD5
8cad1b41587ced0f1e74396794f31d58

SHA1
11054bf74fcf5e8e412768035e4dae43aa7b710f

SHA256
3086d914f6b23268f8a12cb1a05516cd5465c2577e1d1e449f1b45c8e5e8f83c

SHA512
99c2ef89029de51a866df932841684b7fc912df21e10e2dd0d09e400203bbdc6cba6319a31780b7bf8b286d2cea8ea3fc7d084348bf2f002ab4f5a34218ccbef

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp6826.tmp

Filesize
1KB

MD5
0479d5f304ef2d7e3c15fb24a99f88c1

SHA1
8edbb1450a656fac5f5e96779ffe440ee8c1aec9

SHA256
112557c2b2d0c669a3b115129dc32f005341e965330fa8f2ad3e5de1926594bc

SHA512
537e8d87e5cd975f0e69bb145f81d6e9d7b0d82eed143ac351304ea38577137386a51fdb7357ec6d641eb04ff5f51e249bba2db8a4b5bf2934d561394a4a3f15

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\NOZLGUPFIWTQSTVH2DYC.temp

Filesize
7KB

MD5
dff0ced7240c864b39b6a695144331a1

SHA1
c2cca692f0c1e918535d99b109ba9aa52b01c893

SHA256
92ba18c20df8605f7d85bca82b0fdd42b6cff24f38d8e22d8696bf8f4cb13317

SHA512
3a72dcc99b425c2950f6238d7ee94a370490d2abbb8c85d38d604eca521884e290b53ae5c251b02aa2b17b23c8c8233b5006974b6c7717330a997981b015fde2

Download Submit
memory/2496-29-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2496-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2496-42-0x00000000007A0000-0x00000000007AA000-memory.dmp

Filesize
40KB

Download
memory/2496-41-0x0000000000770000-0x000000000078E000-memory.dmp

Filesize
120KB

Download
memory/2496-40-0x0000000000760000-0x000000000076C000-memory.dmp

Filesize
48KB

Download
memory/2496-25-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2496-28-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2496-30-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2496-39-0x0000000000750000-0x000000000075A000-memory.dmp

Filesize
40KB

Download
memory/2496-19-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2496-21-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2496-23-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2936-5-0x00000000005B0000-0x00000000005C6000-memory.dmp

Filesize
88KB

Download
memory/2936-31-0x00000000742C0000-0x00000000749AE000-memory.dmp

Filesize
6.9MB

Download
memory/2936-2-0x00000000742C0000-0x00000000749AE000-memory.dmp

Filesize
6.9MB

Download
memory/2936-1-0x0000000000B60000-0x0000000000C52000-memory.dmp

Filesize
968KB

Download
memory/2936-0-0x00000000742CE000-0x00000000742CF000-memory.dmp

Filesize
4KB

Download
memory/2936-3-0x00000000004D0000-0x00000000004EE000-memory.dmp

Filesize
120KB

Download
memory/2936-4-0x00000000005A0000-0x00000000005B0000-memory.dmp

Filesize
64KB

Download
memory/2936-6-0x0000000005440000-0x00000000054BC000-memory.dmp

Filesize
496KB

Download