nanocore | e3f6a75a8004412643549e095af1150d8329a3c46a06aef839842b90d54933a5

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

C2

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\ARP Monitor = "C:\\Program Files (x86)\\ARP Monitor\\arpmon.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 4212 set thread context of 1844	4212	plugman75907.exe	100

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\ARP Monitor\arpmon.exe	plugman75907.exe
File opened for modification	C:\Program Files (x86)\ARP Monitor\arpmon.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	plugman75907.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 2 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
4704	schtasks.exe
1432	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1844	plugman75907.exe
1844	plugman75907.exe
1844	plugman75907.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1844	plugman75907.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1844	plugman75907.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4212 wrote to memory of 1844	4212	plugman75907.exe	100
PID 4212 wrote to memory of 1844	4212	plugman75907.exe	100
PID 4212 wrote to memory of 1844	4212	plugman75907.exe	100
PID 4212 wrote to memory of 1844	4212	plugman75907.exe	100
PID 4212 wrote to memory of 1844	4212	plugman75907.exe	100
PID 4212 wrote to memory of 1844	4212	plugman75907.exe	100
PID 4212 wrote to memory of 1844	4212	plugman75907.exe	100
PID 4212 wrote to memory of 1844	4212	plugman75907.exe	100
PID 1844 wrote to memory of 1432	1844	plugman75907.exe	101
PID 1844 wrote to memory of 1432	1844	plugman75907.exe	101
PID 1844 wrote to memory of 1432	1844	plugman75907.exe	101
PID 1844 wrote to memory of 4704	1844	plugman75907.exe	103
PID 1844 wrote to memory of 4704	1844	plugman75907.exe	103
PID 1844 wrote to memory of 4704	1844	plugman75907.exe	103

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:4212
- 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:1844
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "ARP Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmpDF44.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1432
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "ARP Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpDFA3.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4704

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpDF44.tmp

Filesize
1KB

MD5
fb03edc1dfdff80ef7b1e5f7fa5509a8

SHA1
2a3dcf5024fb7d1568901007d3c596540771cfcd

SHA256
48cd0119b30df8dc64f0a5faf06963c2ec016413bbb91345f0e8f096792fccd5

SHA512
67e6584221ce070f0ead6bd0356da0dd5e00ed98893f3468d97877cfce84cc6c02f25b90f950bb0df14fd6e9d0b46c818fd7408ffb9e17b649e79817c6bcfff5

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpDFA3.tmp

Filesize
1KB

MD5
acc7d7829edec6af26aa18f8ca7776ef

SHA1
29f5290d08127f29924a2eb189e21b9bcfbb6f3a

SHA256
2165ad57e4cd29e911a2861e1fe6366ce11912c95f8e5ede61d247b75753001a

SHA512
07e84e0f7eb030dc0f2efde201c023051a2559dbdcde957fea73669a6e2deac9848cf3503e4e7f9524660d61ead850632bb998f12b73b887dfe841286002bc5b

Download Submit
memory/1844-12-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1844-26-0x00007FF9730B0000-0x00007FF9732A5000-memory.dmp

Filesize
2.0MB

Download
memory/1844-25-0x0000000005740000-0x000000000574A000-memory.dmp

Filesize
40KB

Download
memory/1844-24-0x0000000005490000-0x00000000054AE000-memory.dmp

Filesize
120KB

Download
memory/1844-23-0x0000000005480000-0x000000000548A000-memory.dmp

Filesize
40KB

Download
memory/1844-15-0x00007FF9730B0000-0x00007FF9732A5000-memory.dmp

Filesize
2.0MB

Download
memory/1844-14-0x00007FF9730B0000-0x00007FF9732A5000-memory.dmp

Filesize
2.0MB

Download
memory/4212-5-0x00007FF9730B0000-0x00007FF9732A5000-memory.dmp

Filesize
2.0MB

Download
memory/4212-10-0x0000000006390000-0x0000000006402000-memory.dmp

Filesize
456KB

Download
memory/4212-11-0x0000000009B30000-0x0000000009BCC000-memory.dmp

Filesize
624KB

Download
memory/4212-9-0x0000000002360000-0x000000000236A000-memory.dmp

Filesize
40KB

Download
memory/4212-8-0x0000000005010000-0x0000000005018000-memory.dmp

Filesize
32KB

Download
memory/4212-7-0x0000000004FF0000-0x000000000500A000-memory.dmp

Filesize
104KB

Download
memory/4212-6-0x0000000004C80000-0x0000000004C8A000-memory.dmp

Filesize
40KB

Download
memory/4212-0-0x00007FF9730B0000-0x00007FF9732A5000-memory.dmp

Filesize
2.0MB

Download
memory/4212-4-0x00000000055D0000-0x0000000005924000-memory.dmp

Filesize
3.3MB

Download
memory/4212-3-0x0000000004B10000-0x0000000004BA2000-memory.dmp

Filesize
584KB

Download
memory/4212-2-0x0000000005020000-0x00000000055C4000-memory.dmp

Filesize
5.6MB

Download
memory/4212-1-0x0000000000030000-0x00000000000DA000-memory.dmp

Filesize
680KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads