nanocore | 8df059eed43ce00d949d018f312f4806a886f6f0351fe6386f54aa9c4a2df359

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240730-en
resource tags

arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
submitted
01/08/2024, 16:14

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General

Target

IMG_20001890221-081110001.exe
Size

1.4MB
MD5

e8ee6f64cf8ded6b125060bd6078527c
SHA1

4beb8553da7909cb14551f473ec03c7a7decd9fb
SHA256

2980f02c35b2f62770c23d61d0200b3fcd788de0335fdf2e8e186c90d9b9447b
SHA512

1ec04f277877246a6df0ef7a46fb24a7982dd9c69d6a8225d93ced3d07a7b2a79e087f34ea2390fd9e2b61d852488836d49e823b7c14fc1cb7d23f67b74b67bb
SSDEEP

12288:620AgxKZ7r5v+PMpJxBBkiMUtAYacSIUU1xbieipF0gZHaEIBdLBYT37kj3Cub2o:6fIZ7QPMpB1tactDeGXt/ZLi3/SUELR

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

moran101.duckdns.org:8050

moran007.duckdns.org:8050

Mutex

b09e6ab8-a188-4d34-ae53-20a1c956c49a

Attributes

activate_away_mode
true
backup_connection_host
moran007.duckdns.org
backup_dns_server
moran007.duckdns.org
buffer_size
65535
build_time
2019-02-18T13:25:55.451902736Z
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
8050
default_group
OPTIMUS~PRIME
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
b09e6ab8-a188-4d34-ae53-20a1c956c49a
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
moran101.duckdns.org
primary_dns_server
moran101.duckdns.org
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

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\UDP Host = "C:\\Program Files (x86)\\UDP Host\\udphost.exe"	RegAsm.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	RegAsm.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3784 set thread context of 1972	3784	IMG_20001890221-081110001.exe	86

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\UDP Host\udphost.exe	RegAsm.exe
File opened for modification	C:\Program Files (x86)\UDP Host\udphost.exe	RegAsm.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	IMG_20001890221-081110001.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.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
916	schtasks.exe
3000	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
3784	IMG_20001890221-081110001.exe
3784	IMG_20001890221-081110001.exe
1972	RegAsm.exe
1972	RegAsm.exe
1972	RegAsm.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1972	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3784	IMG_20001890221-081110001.exe
Token: SeDebugPrivilege	1972	RegAsm.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3784 wrote to memory of 1972	3784	IMG_20001890221-081110001.exe	86
PID 3784 wrote to memory of 1972	3784	IMG_20001890221-081110001.exe	86
PID 3784 wrote to memory of 1972	3784	IMG_20001890221-081110001.exe	86
PID 3784 wrote to memory of 1972	3784	IMG_20001890221-081110001.exe	86
PID 3784 wrote to memory of 1972	3784	IMG_20001890221-081110001.exe	86
PID 3784 wrote to memory of 1972	3784	IMG_20001890221-081110001.exe	86
PID 3784 wrote to memory of 1972	3784	IMG_20001890221-081110001.exe	86
PID 3784 wrote to memory of 1972	3784	IMG_20001890221-081110001.exe	86
PID 1972 wrote to memory of 916	1972	RegAsm.exe	87
PID 1972 wrote to memory of 916	1972	RegAsm.exe	87
PID 1972 wrote to memory of 916	1972	RegAsm.exe	87
PID 1972 wrote to memory of 3000	1972	RegAsm.exe	89
PID 1972 wrote to memory of 3000	1972	RegAsm.exe	89
PID 1972 wrote to memory of 3000	1972	RegAsm.exe	89

C:\Users\Admin\AppData\Local\Temp\IMG_20001890221-081110001.exe
"C:\Users\Admin\AppData\Local\Temp\IMG_20001890221-081110001.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3784
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.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:1972
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "UDP Host" /xml "C:\Users\Admin\AppData\Local\Temp\tmpA45E.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:916
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "UDP Host Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpA4AD.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3000

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpA45E.tmp

Filesize
1KB

MD5
48ef7fa9033389ad7929d7a6b9d10298

SHA1
9db6cb7325c8bdf66a15f7b5f34703709a45aeb6

SHA256
0c1b5f67eeb276d1d4205b138ce32bc6149924e02281a2db8e4623a700e88f15

SHA512
ac8bd104ecbacc9bccce9e087f67e5b18072d59367ccd31d4e66132b6baaea520cba5b9b59464483d86abf74826b382c402f12e9a586c99bda8c78a0de33944e

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpA4AD.tmp

Filesize
1KB

MD5
d07b42c17d8d11c2a33a3b7875f718a4

SHA1
d38315afb4b55ddd9d47ac37ccad7db45863a470

SHA256
74d7ae25500c92c38e80fa39b154f6ae747978fecd83e15cb2c5f8152a73a1bc

SHA512
84214b11c56fc5a04856ed7fdccddeed3b493907f7489d93ed16b5c983f1e96df3ef62fa831b113ff352726ff259324ddeaa72805145f5e1e9056cdc28e06eaa

Download Submit
memory/1972-82-0x0000000074A70000-0x0000000075220000-memory.dmp

Filesize
7.7MB

Download
memory/1972-94-0x0000000074A70000-0x0000000075220000-memory.dmp

Filesize
7.7MB

Download
memory/1972-93-0x00000000061E0000-0x00000000061EA000-memory.dmp

Filesize
40KB

Download
memory/1972-92-0x0000000005FC0000-0x0000000005FDE000-memory.dmp

Filesize
120KB

Download
memory/1972-91-0x0000000004EC0000-0x0000000004ECA000-memory.dmp

Filesize
40KB

Download
memory/1972-77-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1972-78-0x00000000053E0000-0x0000000005984000-memory.dmp

Filesize
5.6MB

Download
memory/1972-83-0x0000000004E70000-0x0000000004E7A000-memory.dmp

Filesize
40KB

Download
memory/1972-81-0x0000000004ED0000-0x0000000004F62000-memory.dmp

Filesize
584KB

Download
memory/3784-48-0x0000000005230000-0x0000000005251000-memory.dmp

Filesize
132KB

Download
memory/3784-32-0x0000000005230000-0x0000000005251000-memory.dmp

Filesize
132KB

Download
memory/3784-79-0x0000000074A70000-0x0000000075220000-memory.dmp

Filesize
7.7MB

Download
memory/3784-74-0x00000000053A0000-0x00000000053D8000-memory.dmp

Filesize
224KB

Download
memory/3784-73-0x0000000005430000-0x00000000054CC000-memory.dmp

Filesize
624KB

Download
memory/3784-68-0x0000000005230000-0x0000000005251000-memory.dmp

Filesize
132KB

Download
memory/3784-66-0x0000000005230000-0x0000000005251000-memory.dmp

Filesize
132KB

Download
memory/3784-64-0x0000000005230000-0x0000000005251000-memory.dmp

Filesize
132KB

Download
memory/3784-62-0x0000000005230000-0x0000000005251000-memory.dmp

Filesize
132KB

Download
memory/3784-60-0x0000000005230000-0x0000000005251000-memory.dmp

Filesize
132KB

Download
memory/3784-58-0x0000000005230000-0x0000000005251000-memory.dmp

Filesize
132KB

Download
memory/3784-56-0x0000000005230000-0x0000000005251000-memory.dmp

Filesize
132KB

Download
memory/3784-54-0x0000000005230000-0x0000000005251000-memory.dmp

Filesize
132KB

Download
memory/3784-52-0x0000000005230000-0x0000000005251000-memory.dmp

Filesize
132KB

Download
memory/3784-50-0x0000000005230000-0x0000000005251000-memory.dmp

Filesize
132KB

Download
memory/3784-0-0x0000000074A7E000-0x0000000074A7F000-memory.dmp

Filesize
4KB

Download
memory/3784-42-0x0000000005230000-0x0000000005251000-memory.dmp

Filesize
132KB

Download
memory/3784-40-0x0000000005230000-0x0000000005251000-memory.dmp

Filesize
132KB

Download
memory/3784-38-0x0000000005230000-0x0000000005251000-memory.dmp

Filesize
132KB

Download
memory/3784-36-0x0000000005230000-0x0000000005251000-memory.dmp

Filesize
132KB

Download
memory/3784-34-0x0000000005230000-0x0000000005251000-memory.dmp

Filesize
132KB

Download
memory/3784-80-0x0000000074A70000-0x0000000075220000-memory.dmp

Filesize
7.7MB

Download
memory/3784-30-0x0000000005230000-0x0000000005251000-memory.dmp

Filesize
132KB

Download
memory/3784-28-0x0000000005230000-0x0000000005251000-memory.dmp

Filesize
132KB

Download
memory/3784-24-0x0000000005230000-0x0000000005251000-memory.dmp

Filesize
132KB

Download
memory/3784-22-0x0000000005230000-0x0000000005251000-memory.dmp

Filesize
132KB

Download
memory/3784-20-0x0000000005230000-0x0000000005251000-memory.dmp

Filesize
132KB

Download
memory/3784-18-0x0000000005230000-0x0000000005251000-memory.dmp

Filesize
132KB

Download
memory/3784-12-0x0000000005230000-0x0000000005251000-memory.dmp

Filesize
132KB

Download
memory/3784-8-0x0000000005230000-0x0000000005251000-memory.dmp

Filesize
132KB

Download
memory/3784-46-0x0000000005230000-0x0000000005251000-memory.dmp

Filesize
132KB

Download
memory/3784-44-0x0000000005230000-0x0000000005251000-memory.dmp

Filesize
132KB

Download
memory/3784-27-0x0000000005230000-0x0000000005251000-memory.dmp

Filesize
132KB

Download
memory/3784-16-0x0000000005230000-0x0000000005251000-memory.dmp

Filesize
132KB

Download
memory/3784-14-0x0000000005230000-0x0000000005251000-memory.dmp

Filesize
132KB

Download
memory/3784-10-0x0000000005230000-0x0000000005251000-memory.dmp

Filesize
132KB

Download
memory/3784-70-0x0000000005230000-0x0000000005251000-memory.dmp

Filesize
132KB

Download
memory/3784-7-0x0000000005230000-0x0000000005251000-memory.dmp

Filesize
132KB

Download
memory/3784-5-0x0000000005230000-0x0000000005258000-memory.dmp

Filesize
160KB

Download
memory/3784-4-0x00000000051B0000-0x000000000521C000-memory.dmp

Filesize
432KB

Download
memory/3784-3-0x0000000074A70000-0x0000000075220000-memory.dmp

Filesize
7.7MB

Download
memory/3784-2-0x0000000005610000-0x0000000005B3C000-memory.dmp

Filesize
5.2MB

Download
memory/3784-1-0x0000000000630000-0x00000000007A0000-memory.dmp

Filesize
1.4MB

Download