nanocore | e3f6a75a8004412643549e095af1150d8329a3c46a06aef839842b90d54933a5

Analysis

max time kernel
149s
max time network
137s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
10-11-2024 23:25

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General

Target

plugman75907.exe
Size

654KB
MD5

d0cc28fddecca60c208ae56d78014e95
SHA1

34069e3897de6509b630f9b65b067ae9a74baffc
SHA256

e3f6a75a8004412643549e095af1150d8329a3c46a06aef839842b90d54933a5
SHA512

68626b0f448af738fdc41b4c8f71adb956d6ea29e5cd843ad71902b59f6beee88b42805ee50387749b05f2a019f56f45b2efa443883c6d7afd9edcc66d518d80
SSDEEP

12288:wEg7SnvSNDeJDeR9p36kn3nqoMyOw3ZguCvvUH4qtQJ3aPjSEIOLusQmbCpi3U:wEg+vODyDIX36k3uA3Z3Cny4qt8aP2Ey

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

rn72836.sytes.net:6696

127.0.0.1:6696

Mutex

3f30b298-001f-4f08-b22c-606b0d3632bd

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2023-09-08T19:00:17.997607436Z
bypass_user_account_control
false
bypass_user_account_control_data
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
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
6696
default_group
rn728
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
3f30b298-001f-4f08-b22c-606b0d3632bd
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
rn72836.sytes.net
primary_dns_server
8.8.8.8
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
Nanocore family
nanocore

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 Manager = "C:\\Program Files (x86)\\DHCP Manager\\dhcpmgr.exe"	plugman75907.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	plugman75907.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 840 set thread context of 2256	840	plugman75907.exe	31

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\DHCP Manager\dhcpmgr.exe	plugman75907.exe
File opened for modification	C:\Program Files (x86)\DHCP Manager\dhcpmgr.exe	plugman75907.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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	plugman75907.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	plugman75907.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
2692	schtasks.exe
2776	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2256	plugman75907.exe
2256	plugman75907.exe
2256	plugman75907.exe
2256	plugman75907.exe
2256	plugman75907.exe
2256	plugman75907.exe
2256	plugman75907.exe
2256	plugman75907.exe
2256	plugman75907.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
2256	plugman75907.exe
2756	taskmgr.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2256	plugman75907.exe
Token: SeDebugPrivilege	2756	taskmgr.exe

Suspicious use of FindShellTrayWindow 64 IoCs

pid	Process
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe

Suspicious use of SendNotifyMessage 64 IoCs

pid	Process
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe
2756	taskmgr.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 840 wrote to memory of 2256	840	plugman75907.exe	31
PID 840 wrote to memory of 2256	840	plugman75907.exe	31
PID 840 wrote to memory of 2256	840	plugman75907.exe	31
PID 840 wrote to memory of 2256	840	plugman75907.exe	31
PID 840 wrote to memory of 2256	840	plugman75907.exe	31
PID 840 wrote to memory of 2256	840	plugman75907.exe	31
PID 840 wrote to memory of 2256	840	plugman75907.exe	31
PID 840 wrote to memory of 2256	840	plugman75907.exe	31
PID 840 wrote to memory of 2256	840	plugman75907.exe	31
PID 2256 wrote to memory of 2692	2256	plugman75907.exe	32
PID 2256 wrote to memory of 2692	2256	plugman75907.exe	32
PID 2256 wrote to memory of 2692	2256	plugman75907.exe	32
PID 2256 wrote to memory of 2692	2256	plugman75907.exe	32
PID 2256 wrote to memory of 2776	2256	plugman75907.exe	34
PID 2256 wrote to memory of 2776	2256	plugman75907.exe	34
PID 2256 wrote to memory of 2776	2256	plugman75907.exe	34
PID 2256 wrote to memory of 2776	2256	plugman75907.exe	34

C:\Users\Admin\AppData\Local\Temp\plugman75907.exe
"C:\Users\Admin\AppData\Local\Temp\plugman75907.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:840
- C:\Users\Admin\AppData\Local\Temp\plugman75907.exe
  "C:\Users\Admin\AppData\Local\Temp\plugman75907.exe"
  2⤵
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - 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:2256
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "DHCP Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmp1249.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2692
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "DHCP Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp147B.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2776

C:\Windows\system32\taskmgr.exe
"C:\Windows\system32\taskmgr.exe" /4
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:2756

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp1249.tmp

Filesize
1KB

MD5
fb03edc1dfdff80ef7b1e5f7fa5509a8

SHA1
2a3dcf5024fb7d1568901007d3c596540771cfcd

SHA256
48cd0119b30df8dc64f0a5faf06963c2ec016413bbb91345f0e8f096792fccd5

SHA512
67e6584221ce070f0ead6bd0356da0dd5e00ed98893f3468d97877cfce84cc6c02f25b90f950bb0df14fd6e9d0b46c818fd7408ffb9e17b649e79817c6bcfff5

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp147B.tmp

Filesize
1KB

MD5
cdf5683344404764a0f3592e9db8a5a1

SHA1
6705943b404de237cdd7080c05af25e2b1b6410c

SHA256
1ea0af7c86be3e61c281ada0470c6dcf178834380def1903b5bb78b49440ffff

SHA512
23c56873ca8520784cc1d6b0b4211b373fff6fb429872932e5274801d3b9d786566877cd16d1ffa0adca8c7aebb0b935701a0c071073edfbdb319002f99a182b

Download Submit
memory/840-7-0x0000000000540000-0x000000000054A000-memory.dmp

Filesize
40KB

Download
memory/840-21-0x0000000074220000-0x000000007490E000-memory.dmp

Filesize
6.9MB

Download
memory/840-1-0x0000000001230000-0x00000000012DA000-memory.dmp

Filesize
680KB

Download
memory/840-5-0x000000007422E000-0x000000007422F000-memory.dmp

Filesize
4KB

Download
memory/840-2-0x0000000074220000-0x000000007490E000-memory.dmp

Filesize
6.9MB

Download
memory/840-0-0x000000007422E000-0x000000007422F000-memory.dmp

Filesize
4KB

Download
memory/840-8-0x0000000000460000-0x00000000004D2000-memory.dmp

Filesize
456KB

Download
memory/840-6-0x0000000074220000-0x000000007490E000-memory.dmp

Filesize
6.9MB

Download
memory/840-3-0x0000000000510000-0x000000000052A000-memory.dmp

Filesize
104KB

Download
memory/840-4-0x0000000000530000-0x0000000000538000-memory.dmp

Filesize
32KB

Download
memory/2256-17-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2256-9-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2256-11-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2256-10-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2256-15-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2256-19-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2256-12-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2256-22-0x0000000074220000-0x000000007490E000-memory.dmp

Filesize
6.9MB

Download
memory/2256-20-0x0000000074220000-0x000000007490E000-memory.dmp

Filesize
6.9MB

Download
memory/2256-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2256-30-0x0000000000500000-0x000000000050A000-memory.dmp

Filesize
40KB

Download
memory/2256-31-0x0000000000510000-0x000000000052E000-memory.dmp

Filesize
120KB

Download
memory/2256-32-0x0000000000570000-0x000000000057A000-memory.dmp

Filesize
40KB

Download
memory/2256-33-0x0000000074220000-0x000000007490E000-memory.dmp

Filesize
6.9MB

Download
memory/2256-34-0x0000000074220000-0x000000007490E000-memory.dmp

Filesize
6.9MB

Download
memory/2756-35-0x0000000140000000-0x00000001405E8000-memory.dmp

Filesize
5.9MB

Download
memory/2756-36-0x0000000140000000-0x00000001405E8000-memory.dmp

Filesize
5.9MB

Download
memory/2756-37-0x0000000140000000-0x00000001405E8000-memory.dmp

Filesize
5.9MB

Download
memory/2756-38-0x0000000140000000-0x00000001405E8000-memory.dmp

Filesize
5.9MB

Download