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

Processes:

plugman75907.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DHCP Host = "C:\\Program Files (x86)\\DHCP Host\\dhcphost.exe"	plugman75907.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

plugman75907.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA plugman75907.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

plugman75907.exe

description pid process target process

PID 3956 set thread context of 1508 3956 plugman75907.exe plugman75907.exe

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

description	pid	process	target process
PID 3956 set thread context of 1508	3956	plugman75907.exe	plugman75907.exe

Drops file in Program Files directory 2 IoCs

Processes:

plugman75907.exe

description	ioc	process
File created	C:\Program Files (x86)\DHCP Host\dhcphost.exe	plugman75907.exe
File opened for modification	C:\Program Files (x86)\DHCP Host\dhcphost.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

Processes:

schtasks.exeschtasks.exeplugman75907.exeplugman75907.exe

description	ioc	process
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
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

Processes:

schtasks.exeschtasks.exe

pid process

692 schtasks.exe
2540 schtasks.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

plugman75907.exeplugman75907.exe

pid process

3956 plugman75907.exe
3956 plugman75907.exe
1508 plugman75907.exe
1508 plugman75907.exe
1508 plugman75907.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

plugman75907.exe

pid process

1508 plugman75907.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

plugman75907.exeplugman75907.exe

description pid process

Token: SeDebugPrivilege 3956 plugman75907.exe
Token: SeDebugPrivilege 1508 plugman75907.exe

pid	process
692	schtasks.exe
2540	schtasks.exe

pid	process
3956	plugman75907.exe
3956	plugman75907.exe
1508	plugman75907.exe
1508	plugman75907.exe
1508	plugman75907.exe

pid	process
1508	plugman75907.exe

description	pid	process
Token: SeDebugPrivilege	3956	plugman75907.exe
Token: SeDebugPrivilege	1508	plugman75907.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

plugman75907.exeplugman75907.exe

description	pid	process	target process
PID 3956 wrote to memory of 1940	3956	plugman75907.exe	plugman75907.exe
PID 3956 wrote to memory of 1940	3956	plugman75907.exe	plugman75907.exe
PID 3956 wrote to memory of 1940	3956	plugman75907.exe	plugman75907.exe
PID 3956 wrote to memory of 1508	3956	plugman75907.exe	plugman75907.exe
PID 3956 wrote to memory of 1508	3956	plugman75907.exe	plugman75907.exe
PID 3956 wrote to memory of 1508	3956	plugman75907.exe	plugman75907.exe
PID 3956 wrote to memory of 1508	3956	plugman75907.exe	plugman75907.exe
PID 3956 wrote to memory of 1508	3956	plugman75907.exe	plugman75907.exe
PID 3956 wrote to memory of 1508	3956	plugman75907.exe	plugman75907.exe
PID 3956 wrote to memory of 1508	3956	plugman75907.exe	plugman75907.exe
PID 3956 wrote to memory of 1508	3956	plugman75907.exe	plugman75907.exe
PID 1508 wrote to memory of 692	1508	plugman75907.exe	schtasks.exe
PID 1508 wrote to memory of 692	1508	plugman75907.exe	schtasks.exe
PID 1508 wrote to memory of 692	1508	plugman75907.exe	schtasks.exe
PID 1508 wrote to memory of 2540	1508	plugman75907.exe	schtasks.exe
PID 1508 wrote to memory of 2540	1508	plugman75907.exe	schtasks.exe
PID 1508 wrote to memory of 2540	1508	plugman75907.exe	schtasks.exe

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 behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3956
- C:\Users\Admin\AppData\Local\Temp\plugman75907.exe
  "C:\Users\Admin\AppData\Local\Temp\plugman75907.exe"
  2⤵
  PID:1940
- 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:1508
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "DHCP Host" /xml "C:\Users\Admin\AppData\Local\Temp\tmpE2AF.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:692
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "DHCP Host Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpE2FE.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2540

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\plugman75907.exe.log

Filesize
1KB

MD5
b7b9acb869ccc7f7ecb5304ec0384dee

SHA1
6a90751c95817903ee833d59a0abbef425a613b3

SHA256
8cb00a15cd942a1861c573d86d6fb430512c8e2f80f6349f48b16b8709ca7aa4

SHA512
7bec881ac5f59ac26f1be1e7e26d63f040c06369de10c1c246e531a4395d27c335d9acc647ecdedb48ed37bdc2dc405a4cfc11762e1c00659a49be259eaf8764

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpE2AF.tmp

Filesize
1KB

MD5
fb03edc1dfdff80ef7b1e5f7fa5509a8

SHA1
2a3dcf5024fb7d1568901007d3c596540771cfcd

SHA256
48cd0119b30df8dc64f0a5faf06963c2ec016413bbb91345f0e8f096792fccd5

SHA512
67e6584221ce070f0ead6bd0356da0dd5e00ed98893f3468d97877cfce84cc6c02f25b90f950bb0df14fd6e9d0b46c818fd7408ffb9e17b649e79817c6bcfff5

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpE2FE.tmp

Filesize
1KB

MD5
0479d5f304ef2d7e3c15fb24a99f88c1

SHA1
8edbb1450a656fac5f5e96779ffe440ee8c1aec9

SHA256
112557c2b2d0c669a3b115129dc32f005341e965330fa8f2ad3e5de1926594bc

SHA512
537e8d87e5cd975f0e69bb145f81d6e9d7b0d82eed143ac351304ea38577137386a51fdb7357ec6d641eb04ff5f51e249bba2db8a4b5bf2934d561394a4a3f15

Download Submit
memory/1508-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1508-31-0x0000000074FE0000-0x0000000075790000-memory.dmp

Filesize
7.7MB

Download
memory/1508-30-0x0000000074FE0000-0x0000000075790000-memory.dmp

Filesize
7.7MB

Download
memory/1508-29-0x0000000006890000-0x000000000689A000-memory.dmp

Filesize
40KB

Download
memory/1508-28-0x0000000005870000-0x000000000588E000-memory.dmp

Filesize
120KB

Download
memory/1508-27-0x0000000005860000-0x000000000586A000-memory.dmp

Filesize
40KB

Download
memory/1508-19-0x0000000074FE0000-0x0000000075790000-memory.dmp

Filesize
7.7MB

Download
memory/1508-17-0x0000000074FE0000-0x0000000075790000-memory.dmp

Filesize
7.7MB

Download
memory/3956-6-0x0000000005540000-0x000000000554A000-memory.dmp

Filesize
40KB

Download
memory/3956-8-0x0000000009090000-0x0000000009098000-memory.dmp

Filesize
32KB

Download
memory/3956-13-0x000000000F670000-0x000000000F70C000-memory.dmp

Filesize
624KB

Download
memory/3956-11-0x00000000065C0000-0x00000000065CA000-memory.dmp

Filesize
40KB

Download
memory/3956-10-0x0000000074FE0000-0x0000000075790000-memory.dmp

Filesize
7.7MB

Download
memory/3956-18-0x0000000074FE0000-0x0000000075790000-memory.dmp

Filesize
7.7MB

Download
memory/3956-9-0x0000000074FEE000-0x0000000074FEF000-memory.dmp

Filesize
4KB

Download
memory/3956-12-0x0000000004A00000-0x0000000004A72000-memory.dmp

Filesize
456KB

Download
memory/3956-7-0x0000000006AB0000-0x0000000006ACA000-memory.dmp

Filesize
104KB

Download
memory/3956-0-0x0000000074FEE000-0x0000000074FEF000-memory.dmp

Filesize
4KB

Download
memory/3956-5-0x0000000074FE0000-0x0000000075790000-memory.dmp

Filesize
7.7MB

Download
memory/3956-4-0x0000000005130000-0x0000000005484000-memory.dmp

Filesize
3.3MB

Download
memory/3956-3-0x0000000005090000-0x0000000005122000-memory.dmp

Filesize
584KB

Download
memory/3956-2-0x00000000055A0000-0x0000000005B44000-memory.dmp

Filesize
5.6MB

Download
memory/3956-1-0x0000000000580000-0x000000000062A000-memory.dmp

Filesize
680KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads