nanocore | b0261acb253b9f6003040099c1234dcc69bc8501b1ad0af788961f13507dbdcf

General

Target

tmp.exe
Size

833KB
MD5

f70e562619b7871c01f4536f15a283fe
SHA1

5d8b6bf1218673652daad24482d627208b60b3e5
SHA256

b0261acb253b9f6003040099c1234dcc69bc8501b1ad0af788961f13507dbdcf
SHA512

53f6bbfb5cdc019b8978bd49d193fe263d7ab07915185b07f28a6b012e56b69e09128e9ee1e2754faaecd9237ec0df49156ef35f60fa9bcf1a0c9148a3882f07
SSDEEP

24576:i65kPPpLnSIvhcwZwzjeWK7i+dcbgFTGQ4F:L6hn3qwZgeWidcbl1F

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

craigjonson91211.freedynamicdns.net:2010

Mutex

314e68fd-30e1-43f4-a3e6-582b481b1081

Attributes

activate_away_mode
true
backup_connection_host
craigjonson91211.freedynamicdns.net
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2022-07-25T15:37:55.685681636Z
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
2010
default_group
Default
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
314e68fd-30e1-43f4-a3e6-582b481b1081
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

tmp.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\NTFS Monitor = "C:\\Program Files (x86)\\NTFS Monitor\\ntfsmon.exe"	tmp.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

tmp.exe

description ioc process

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

Processes:

tmp.exe

description pid process target process

PID 948 set thread context of 1360 948 tmp.exe tmp.exe

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

description	pid	process	target process
PID 948 set thread context of 1360	948	tmp.exe	tmp.exe

Drops file in Program Files directory 2 IoCs

Processes:

tmp.exe

description	ioc	process
File created	C:\Program Files (x86)\NTFS Monitor\ntfsmon.exe	tmp.exe
File opened for modification	C:\Program Files (x86)\NTFS Monitor\ntfsmon.exe	tmp.exe

Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exe

pid process

2016 schtasks.exe
1920 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

tmp.exe

pid process

1360 tmp.exe
1360 tmp.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

tmp.exe

pid process

1360 tmp.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

tmp.exe

description pid process

Token: SeDebugPrivilege 1360 tmp.exe

pid	process
2016	schtasks.exe
1920	schtasks.exe

pid	process
1360	tmp.exe
1360	tmp.exe

pid	process
1360	tmp.exe

description	pid	process
Token: SeDebugPrivilege	1360	tmp.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

tmp.exetmp.exe

description	pid	process	target process
PID 948 wrote to memory of 1360	948	tmp.exe	tmp.exe
PID 948 wrote to memory of 1360	948	tmp.exe	tmp.exe
PID 948 wrote to memory of 1360	948	tmp.exe	tmp.exe
PID 948 wrote to memory of 1360	948	tmp.exe	tmp.exe
PID 948 wrote to memory of 1360	948	tmp.exe	tmp.exe
PID 948 wrote to memory of 1360	948	tmp.exe	tmp.exe
PID 948 wrote to memory of 1360	948	tmp.exe	tmp.exe
PID 948 wrote to memory of 1360	948	tmp.exe	tmp.exe
PID 948 wrote to memory of 1360	948	tmp.exe	tmp.exe
PID 1360 wrote to memory of 1920	1360	tmp.exe	schtasks.exe
PID 1360 wrote to memory of 1920	1360	tmp.exe	schtasks.exe
PID 1360 wrote to memory of 1920	1360	tmp.exe	schtasks.exe
PID 1360 wrote to memory of 1920	1360	tmp.exe	schtasks.exe
PID 1360 wrote to memory of 2016	1360	tmp.exe	schtasks.exe
PID 1360 wrote to memory of 2016	1360	tmp.exe	schtasks.exe
PID 1360 wrote to memory of 2016	1360	tmp.exe	schtasks.exe
PID 1360 wrote to memory of 2016	1360	tmp.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:948

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
2⤵
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1360

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "NTFS Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmpB59A.tmp"
3⤵
- Creates scheduled task(s)
PID:1920

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "NTFS Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpB7FB.tmp"
3⤵
- Creates scheduled task(s)
PID:2016

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpB59A.tmp

Filesize
1KB

MD5
3f4dcafa44c36f23e4db2b2315fd09da

SHA1
8c83089d6f6c887a77af9b42ca09969f3b2f83f6

SHA256
b8475eb97200b8a15eaf07e0a2cddc5c95e5bc3e7a98685364c9796480de57dc

SHA512
e0624dd6cf0d5e014e96a323d2f7ebe13b683af71bd6ddafa3005cdc2f3c764cfca509262d442fc844b4b390d241ccf3eb36d30043d3d6f6e955a2ee9f792678

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpB7FB.tmp

Filesize
1KB

MD5
981e126601526eaa5b0ad45c496c4465

SHA1
d610d6a21a8420cc73fcd3e54ddae75a5897b28b

SHA256
11ae277dfa39e7038b782ca6557339e7fe88533fe83705c356a1500a1402d527

SHA512
a59fb704d931ccb7e1ec1a7b98e24ccd8708be529066c6de4b673098cdebef539f7f50d9e051c43954b5a8e7f810862b3a4ede170f131e080dadc3e763ed4bdb

Download Submit
memory/948-54-0x00000000002E0000-0x00000000003B6000-memory.dmp

Filesize
856KB

Download
memory/948-55-0x0000000074AB1000-0x0000000074AB3000-memory.dmp

Filesize
8KB

Download
memory/948-56-0x0000000001E50000-0x0000000001E66000-memory.dmp

Filesize
88KB

Download
memory/948-57-0x0000000007C80000-0x0000000007D14000-memory.dmp

Filesize
592KB

Download
memory/948-58-0x00000000021C0000-0x00000000021FA000-memory.dmp

Filesize
232KB

Download
memory/1360-66-0x000000000041E792-mapping.dmp

Download
memory/1360-63-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1360-65-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1360-62-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1360-68-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1360-70-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1360-60-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1360-59-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1360-76-0x00000000003F0000-0x00000000003FA000-memory.dmp

Filesize
40KB

Download
memory/1360-77-0x0000000000740000-0x000000000075E000-memory.dmp

Filesize
120KB

Download
memory/1360-78-0x0000000000440000-0x000000000044A000-memory.dmp

Filesize
40KB

Download
memory/1920-72-0x0000000000000000-mapping.dmp

Download
memory/2016-74-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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