nanocore | 0211ec291040f1e5ada7c762b20df963381cae88923e3f103d588a382d3a19f3

Analysis

max time kernel
133s
max time network
144s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-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
2860	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\AGP Subsystem = "C:\\Program Files (x86)\\AGP Subsystem\\agpss.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1992 set thread context of 2664	1992	7Dh9pl21mjWDN3A.exe	35

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\AGP Subsystem\agpss.exe	RegSvcs.exe
File opened for modification	C:\Program Files (x86)\AGP Subsystem\agpss.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	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
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
2824	schtasks.exe
2680	schtasks.exe
1080	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
1992	7Dh9pl21mjWDN3A.exe
1992	7Dh9pl21mjWDN3A.exe
1992	7Dh9pl21mjWDN3A.exe
1992	7Dh9pl21mjWDN3A.exe
1992	7Dh9pl21mjWDN3A.exe
1992	7Dh9pl21mjWDN3A.exe
1992	7Dh9pl21mjWDN3A.exe
2860	powershell.exe
2664	RegSvcs.exe
2664	RegSvcs.exe
2664	RegSvcs.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2664	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1992	7Dh9pl21mjWDN3A.exe
Token: SeDebugPrivilege	2860	powershell.exe
Token: SeDebugPrivilege	2664	RegSvcs.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 1992 wrote to memory of 2860	1992	7Dh9pl21mjWDN3A.exe	31
PID 1992 wrote to memory of 2860	1992	7Dh9pl21mjWDN3A.exe	31
PID 1992 wrote to memory of 2860	1992	7Dh9pl21mjWDN3A.exe	31
PID 1992 wrote to memory of 2860	1992	7Dh9pl21mjWDN3A.exe	31
PID 1992 wrote to memory of 2824	1992	7Dh9pl21mjWDN3A.exe	32
PID 1992 wrote to memory of 2824	1992	7Dh9pl21mjWDN3A.exe	32
PID 1992 wrote to memory of 2824	1992	7Dh9pl21mjWDN3A.exe	32
PID 1992 wrote to memory of 2824	1992	7Dh9pl21mjWDN3A.exe	32
PID 1992 wrote to memory of 2664	1992	7Dh9pl21mjWDN3A.exe	35
PID 1992 wrote to memory of 2664	1992	7Dh9pl21mjWDN3A.exe	35
PID 1992 wrote to memory of 2664	1992	7Dh9pl21mjWDN3A.exe	35
PID 1992 wrote to memory of 2664	1992	7Dh9pl21mjWDN3A.exe	35
PID 1992 wrote to memory of 2664	1992	7Dh9pl21mjWDN3A.exe	35
PID 1992 wrote to memory of 2664	1992	7Dh9pl21mjWDN3A.exe	35
PID 1992 wrote to memory of 2664	1992	7Dh9pl21mjWDN3A.exe	35
PID 1992 wrote to memory of 2664	1992	7Dh9pl21mjWDN3A.exe	35
PID 1992 wrote to memory of 2664	1992	7Dh9pl21mjWDN3A.exe	35
PID 1992 wrote to memory of 2664	1992	7Dh9pl21mjWDN3A.exe	35
PID 1992 wrote to memory of 2664	1992	7Dh9pl21mjWDN3A.exe	35
PID 1992 wrote to memory of 2664	1992	7Dh9pl21mjWDN3A.exe	35
PID 2664 wrote to memory of 2680	2664	RegSvcs.exe	36
PID 2664 wrote to memory of 2680	2664	RegSvcs.exe	36
PID 2664 wrote to memory of 2680	2664	RegSvcs.exe	36
PID 2664 wrote to memory of 2680	2664	RegSvcs.exe	36
PID 2664 wrote to memory of 1080	2664	RegSvcs.exe	38
PID 2664 wrote to memory of 1080	2664	RegSvcs.exe	38
PID 2664 wrote to memory of 1080	2664	RegSvcs.exe	38
PID 2664 wrote to memory of 1080	2664	RegSvcs.exe	38

C:\Users\Admin\AppData\Local\Temp\7Dh9pl21mjWDN3A.exe
"C:\Users\Admin\AppData\Local\Temp\7Dh9pl21mjWDN3A.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1992
- 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:2860
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mzHFviYTm" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFAC3.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2824
- 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:2664
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "AGP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmpFCE5.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2680
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "AGP Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpFD34.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1080

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

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\tmpFAC3.tmp

Filesize
1KB

MD5
dfa09ddcfd1937a6af01dd0a99f1b2b7

SHA1
cf5af2524c4af1cbd40744c5dce520dc0b5d1340

SHA256
24df013ee91967e64a038166c0cc155f8731b4dbe22538fad19831ed887009a1

SHA512
6841306787671d4916ed49173801dca20de13c54c28451b7642983f29bc88d366fd7af7db01f01219614b769aed0bf3bd416aeee2234c0eea447812b74d0289f

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpFCE5.tmp

Filesize
1KB

MD5
8cad1b41587ced0f1e74396794f31d58

SHA1
11054bf74fcf5e8e412768035e4dae43aa7b710f

SHA256
3086d914f6b23268f8a12cb1a05516cd5465c2577e1d1e449f1b45c8e5e8f83c

SHA512
99c2ef89029de51a866df932841684b7fc912df21e10e2dd0d09e400203bbdc6cba6319a31780b7bf8b286d2cea8ea3fc7d084348bf2f002ab4f5a34218ccbef

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpFD34.tmp

Filesize
1KB

MD5
8aefdc623880016d77594b1802f74db6

SHA1
17608aaab6106247dec66a472516d023272c9b9b

SHA256
ccd9d374a356e8635fe06015e07c986fb0e6f71099234ddc2935a6cb5e1571ac

SHA512
bde73cc8244dcb054ff68b86df14ae644b0816aac8524e746e9bf0e68406c6d7e8ee6a0c642b11a9b197319b023c43fcbdc5eafe9c32e4011ad8065cea0b1eb5

Download Submit
memory/1992-27-0x0000000074D10000-0x00000000753FE000-memory.dmp

Filesize
6.9MB

Download
memory/1992-1-0x0000000000AF0000-0x0000000000B9E000-memory.dmp

Filesize
696KB

Download
memory/1992-2-0x0000000074D10000-0x00000000753FE000-memory.dmp

Filesize
6.9MB

Download
memory/1992-3-0x00000000006F0000-0x0000000000708000-memory.dmp

Filesize
96KB

Download
memory/1992-4-0x00000000004A0000-0x00000000004AE000-memory.dmp

Filesize
56KB

Download
memory/1992-5-0x0000000000710000-0x0000000000726000-memory.dmp

Filesize
88KB

Download
memory/1992-6-0x0000000005940000-0x00000000059BC000-memory.dmp

Filesize
496KB

Download
memory/1992-0-0x0000000074D1E000-0x0000000074D1F000-memory.dmp

Filesize
4KB

Download
memory/2664-24-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2664-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2664-20-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2664-18-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2664-16-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2664-23-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2664-26-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2664-14-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2664-35-0x0000000000530000-0x000000000053A000-memory.dmp

Filesize
40KB

Download
memory/2664-36-0x00000000006C0000-0x00000000006CC000-memory.dmp

Filesize
48KB

Download
memory/2664-37-0x00000000006D0000-0x00000000006EE000-memory.dmp

Filesize
120KB

Download
memory/2664-38-0x0000000000750000-0x000000000075A000-memory.dmp

Filesize
40KB

Download