nanocore | 0211ec291040f1e5ada7c762b20df963381cae88923e3f103d588a382d3a19f3

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05/08/2024, 06:47

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General

Target

7Dh9pl21mjWDN3A.exe
Size

670KB
MD5

b40a08e60b9b7a3504d142c07ba18f2f
SHA1

786e1981e4109f32da5b5c93221a3b9e8669046a
SHA256

0211ec291040f1e5ada7c762b20df963381cae88923e3f103d588a382d3a19f3
SHA512

7beea84ee5405da69039fd36819f73e8165d1eebdaa8df97552495556969d9a1b7c57cc81c566c91c006ab1a288e828dde1dd7c0dca819c9e05f47bbe19a1876
SSDEEP

12288:/nxa/zmcDXmuUMtKeYSsz0NEFx8HnzNN6YZ/g5DO0lD9GIbzH:/nxaakuMsetszEELwnzTFG5flD9rL

Score

10^/10

nanocore discovery execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

december2n.duckdns.org:65140

december2nd.ddns.net:65140

Mutex

5e26ab75-1b3f-4c8b-a159-3a61aeef3310

Attributes

activate_away_mode
false
backup_connection_host
december2nd.ddns.net
backup_dns_server
buffer_size
65538
build_time
2024-05-07T02:47:09.586481736Z
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
1.0485772e+07
keep_alive_timeout
30000
keyboard_logging
false
lan_timeout
2500
max_packet_size
1.0485772e+07
mutex
5e26ab75-1b3f-4c8b-a159-3a61aeef3310
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
8009

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 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
4196	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	7Dh9pl21mjWDN3A.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\WPA Subsystem = "C:\\Program Files (x86)\\WPA Subsystem\\wpass.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2328 set thread context of 3256	2328	7Dh9pl21mjWDN3A.exe	90

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\WPA Subsystem\wpass.exe	RegSvcs.exe
File opened for modification	C:\Program Files (x86)\WPA Subsystem\wpass.exe	RegSvcs.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7Dh9pl21mjWDN3A.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 3 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
1144	schtasks.exe
2024	schtasks.exe
3460	schtasks.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
2328	7Dh9pl21mjWDN3A.exe
2328	7Dh9pl21mjWDN3A.exe
2328	7Dh9pl21mjWDN3A.exe
2328	7Dh9pl21mjWDN3A.exe
2328	7Dh9pl21mjWDN3A.exe
2328	7Dh9pl21mjWDN3A.exe
4196	powershell.exe
2328	7Dh9pl21mjWDN3A.exe
4196	powershell.exe
3256	RegSvcs.exe
3256	RegSvcs.exe
3256	RegSvcs.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3256	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2328	7Dh9pl21mjWDN3A.exe
Token: SeDebugPrivilege	4196	powershell.exe
Token: SeDebugPrivilege	3256	RegSvcs.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2328 wrote to memory of 4196	2328	7Dh9pl21mjWDN3A.exe	86
PID 2328 wrote to memory of 4196	2328	7Dh9pl21mjWDN3A.exe	86
PID 2328 wrote to memory of 4196	2328	7Dh9pl21mjWDN3A.exe	86
PID 2328 wrote to memory of 3460	2328	7Dh9pl21mjWDN3A.exe	88
PID 2328 wrote to memory of 3460	2328	7Dh9pl21mjWDN3A.exe	88
PID 2328 wrote to memory of 3460	2328	7Dh9pl21mjWDN3A.exe	88
PID 2328 wrote to memory of 3256	2328	7Dh9pl21mjWDN3A.exe	90
PID 2328 wrote to memory of 3256	2328	7Dh9pl21mjWDN3A.exe	90
PID 2328 wrote to memory of 3256	2328	7Dh9pl21mjWDN3A.exe	90
PID 2328 wrote to memory of 3256	2328	7Dh9pl21mjWDN3A.exe	90
PID 2328 wrote to memory of 3256	2328	7Dh9pl21mjWDN3A.exe	90
PID 2328 wrote to memory of 3256	2328	7Dh9pl21mjWDN3A.exe	90
PID 2328 wrote to memory of 3256	2328	7Dh9pl21mjWDN3A.exe	90
PID 2328 wrote to memory of 3256	2328	7Dh9pl21mjWDN3A.exe	90
PID 3256 wrote to memory of 2024	3256	RegSvcs.exe	91
PID 3256 wrote to memory of 2024	3256	RegSvcs.exe	91
PID 3256 wrote to memory of 2024	3256	RegSvcs.exe	91
PID 3256 wrote to memory of 1144	3256	RegSvcs.exe	93
PID 3256 wrote to memory of 1144	3256	RegSvcs.exe	93
PID 3256 wrote to memory of 1144	3256	RegSvcs.exe	93

C:\Users\Admin\AppData\Local\Temp\7Dh9pl21mjWDN3A.exe
"C:\Users\Admin\AppData\Local\Temp\7Dh9pl21mjWDN3A.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2328
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\mzHFviYTm.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4196
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mzHFviYTm" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEA7F.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3460
- 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
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3256
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "WPA Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmpED2F.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2024
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "WPA Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpED5E.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1144

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_111ldjnw.ey4.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpEA7F.tmp

Filesize
1KB

MD5
983051ffea569d014206cbdc8539ccc6

SHA1
9dbd02f13e735c507ec73ebd0b167ff535d6b7ee

SHA256
28533c0eb0b6c8df09b327cc9602080739457f8b0d874667714635a6d196c172

SHA512
a4a3c19a860140d53d8d482fec19b2d31d49dcacd8306c138b65d5b7ef201c325b2f310b9e2f9488fecc9007b118db9ab8aacaa07f62534690f42c432afae2be

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpED2F.tmp

Filesize
1KB

MD5
8cad1b41587ced0f1e74396794f31d58

SHA1
11054bf74fcf5e8e412768035e4dae43aa7b710f

SHA256
3086d914f6b23268f8a12cb1a05516cd5465c2577e1d1e449f1b45c8e5e8f83c

SHA512
99c2ef89029de51a866df932841684b7fc912df21e10e2dd0d09e400203bbdc6cba6319a31780b7bf8b286d2cea8ea3fc7d084348bf2f002ab4f5a34218ccbef

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpED5E.tmp

Filesize
1KB

MD5
4365cd1ae65923a319ef2683a45891fe

SHA1
85dde233112660e31c53884aedfbad52e4547e09

SHA256
84b6ce4ba26fa6fb57fa70b9ad191f7c42c71e259897955b5d514385bcd91b58

SHA512
d1bd24f504c5c2ecaa3ae98268ccc2e400ea3e16980c6caf394eadf7738225e4d5578fbe62bbe2de3fe0cb56a0d76bb3fc84cef3b9cd2f3d8be6d0becefdc035

Download Submit
memory/2328-16-0x00000000746DE000-0x00000000746DF000-memory.dmp

Filesize
4KB

Download
memory/2328-4-0x0000000004DD0000-0x0000000004DDA000-memory.dmp

Filesize
40KB

Download
memory/2328-6-0x0000000005230000-0x0000000005248000-memory.dmp

Filesize
96KB

Download
memory/2328-7-0x0000000005370000-0x000000000537E000-memory.dmp

Filesize
56KB

Download
memory/2328-8-0x0000000005390000-0x00000000053A6000-memory.dmp

Filesize
88KB

Download
memory/2328-9-0x0000000008B90000-0x0000000008C0C000-memory.dmp

Filesize
496KB

Download
memory/2328-10-0x0000000008990000-0x0000000008A2C000-memory.dmp

Filesize
624KB

Download
memory/2328-0-0x00000000746DE000-0x00000000746DF000-memory.dmp

Filesize
4KB

Download
memory/2328-37-0x00000000746D0000-0x0000000074E80000-memory.dmp

Filesize
7.7MB

Download
memory/2328-39-0x00000000746D0000-0x0000000074E80000-memory.dmp

Filesize
7.7MB

Download
memory/2328-1-0x0000000000350000-0x00000000003FE000-memory.dmp

Filesize
696KB

Download
memory/2328-5-0x00000000746D0000-0x0000000074E80000-memory.dmp

Filesize
7.7MB

Download
memory/2328-2-0x00000000053B0000-0x0000000005954000-memory.dmp

Filesize
5.6MB

Download
memory/2328-3-0x0000000004E00000-0x0000000004E92000-memory.dmp

Filesize
584KB

Download
memory/3256-47-0x0000000005B30000-0x0000000005B3A000-memory.dmp

Filesize
40KB

Download
memory/3256-50-0x00000000067B0000-0x00000000067BA000-memory.dmp

Filesize
40KB

Download
memory/3256-49-0x0000000006770000-0x000000000678E000-memory.dmp

Filesize
120KB

Download
memory/3256-30-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/3256-48-0x0000000006760000-0x000000000676C000-memory.dmp

Filesize
48KB

Download
memory/3256-78-0x00000000746D0000-0x0000000074E80000-memory.dmp

Filesize
7.7MB

Download
memory/3256-38-0x00000000746D0000-0x0000000074E80000-memory.dmp

Filesize
7.7MB

Download
memory/4196-15-0x0000000005280000-0x00000000052B6000-memory.dmp

Filesize
216KB

Download
memory/4196-36-0x00000000061F0000-0x0000000006544000-memory.dmp

Filesize
3.3MB

Download
memory/4196-21-0x0000000005870000-0x0000000005892000-memory.dmp

Filesize
136KB

Download
memory/4196-29-0x00000000746D0000-0x0000000074E80000-memory.dmp

Filesize
7.7MB

Download
memory/4196-23-0x0000000005980000-0x00000000059E6000-memory.dmp

Filesize
408KB

Download
memory/4196-22-0x0000000005910000-0x0000000005976000-memory.dmp

Filesize
408KB

Download
memory/4196-20-0x00000000746D0000-0x0000000074E80000-memory.dmp

Filesize
7.7MB

Download
memory/4196-18-0x00000000746D0000-0x0000000074E80000-memory.dmp

Filesize
7.7MB

Download
memory/4196-51-0x0000000006830000-0x000000000684E000-memory.dmp

Filesize
120KB

Download
memory/4196-52-0x0000000006880000-0x00000000068CC000-memory.dmp

Filesize
304KB

Download
memory/4196-53-0x0000000006E00000-0x0000000006E32000-memory.dmp

Filesize
200KB

Download
memory/4196-54-0x0000000070CF0000-0x0000000070D3C000-memory.dmp

Filesize
304KB

Download
memory/4196-64-0x0000000006E40000-0x0000000006E5E000-memory.dmp

Filesize
120KB

Download
memory/4196-65-0x0000000007A20000-0x0000000007AC3000-memory.dmp

Filesize
652KB

Download
memory/4196-66-0x00000000081A0000-0x000000000881A000-memory.dmp

Filesize
6.5MB

Download
memory/4196-67-0x0000000007B60000-0x0000000007B7A000-memory.dmp

Filesize
104KB

Download
memory/4196-68-0x0000000007BD0000-0x0000000007BDA000-memory.dmp

Filesize
40KB

Download
memory/4196-69-0x0000000007DE0000-0x0000000007E76000-memory.dmp

Filesize
600KB

Download
memory/4196-70-0x0000000007D60000-0x0000000007D71000-memory.dmp

Filesize
68KB

Download
memory/4196-71-0x0000000007D90000-0x0000000007D9E000-memory.dmp

Filesize
56KB

Download
memory/4196-72-0x0000000007DA0000-0x0000000007DB4000-memory.dmp

Filesize
80KB

Download
memory/4196-73-0x0000000007EA0000-0x0000000007EBA000-memory.dmp

Filesize
104KB

Download
memory/4196-74-0x0000000007E80000-0x0000000007E88000-memory.dmp

Filesize
32KB

Download
memory/4196-77-0x00000000746D0000-0x0000000074E80000-memory.dmp

Filesize
7.7MB

Download
memory/4196-17-0x0000000005AB0000-0x00000000060D8000-memory.dmp

Filesize
6.2MB

Download