nanocore | cd37bd1fd712becace8f1e9025f0cc72833868f6668a2111e511a537bea50b33

General

Target

22021Item_list_sheet#7292020_PDF.exe
Size

728KB
MD5

e989518eabe414ef4b959eb7de190e7c
SHA1

babf737fe0bdc53992f6a5e0ee5d761dd21fb89a
SHA256

ccd0bc8e90dc66863f6aab4a7d41e633ffb0799acf61e400c0e8f2568279c696
SHA512

16f5f78f5860e8196b1674ae7a4f790b503a567888eb7a8644b259d525e8ff9d458f7bd744f853a5e612d8a925639098c751b17bdc1a3b451594a9067c574267

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

79.134.225.71:1990

Mutex

5fd0d027-cda9-482d-9afc-936cf207303c

Attributes

activate_away_mode
true
backup_connection_host
79.134.225.71
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-05-10T12:21:42.299711836Z
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
1990
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
5fd0d027-cda9-482d-9afc-936cf207303c
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
79.134.225.71
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:

22021Item_list_sheet#7292020_PDF.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ARP Service = "C:\\Program Files (x86)\\ARP Service\\arpsvc.exe"	22021Item_list_sheet#7292020_PDF.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

22021Item_list_sheet#7292020_PDF.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	22021Item_list_sheet#7292020_PDF.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

22021Item_list_sheet#7292020_PDF.exe

description pid process target process

PID 1960 set thread context of 828 1960 22021Item_list_sheet#7292020_PDF.exe 22021Item_list_sheet#7292020_PDF.exe

description	pid	process	target process
PID 1960 set thread context of 828	1960	22021Item_list_sheet#7292020_PDF.exe	22021Item_list_sheet#7292020_PDF.exe

Drops file in Program Files directory 2 IoCs

Processes:

22021Item_list_sheet#7292020_PDF.exe

description	ioc	process
File created	C:\Program Files (x86)\ARP Service\arpsvc.exe	22021Item_list_sheet#7292020_PDF.exe
File opened for modification	C:\Program Files (x86)\ARP Service\arpsvc.exe	22021Item_list_sheet#7292020_PDF.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

1412 schtasks.exe
1920 schtasks.exe

pid	process
1412	schtasks.exe
1920	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

22021Item_list_sheet#7292020_PDF.exe22021Item_list_sheet#7292020_PDF.exe

pid	process
1960	22021Item_list_sheet#7292020_PDF.exe
1960	22021Item_list_sheet#7292020_PDF.exe
1960	22021Item_list_sheet#7292020_PDF.exe
1960	22021Item_list_sheet#7292020_PDF.exe
828	22021Item_list_sheet#7292020_PDF.exe
828	22021Item_list_sheet#7292020_PDF.exe
828	22021Item_list_sheet#7292020_PDF.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

22021Item_list_sheet#7292020_PDF.exe

pid process

828 22021Item_list_sheet#7292020_PDF.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

22021Item_list_sheet#7292020_PDF.exe22021Item_list_sheet#7292020_PDF.exe

description pid process

Token: SeDebugPrivilege 1960 22021Item_list_sheet#7292020_PDF.exe
Token: SeDebugPrivilege 828 22021Item_list_sheet#7292020_PDF.exe

pid	process
828	22021Item_list_sheet#7292020_PDF.exe

description	pid	process
Token: SeDebugPrivilege	1960	22021Item_list_sheet#7292020_PDF.exe
Token: SeDebugPrivilege	828	22021Item_list_sheet#7292020_PDF.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

22021Item_list_sheet#7292020_PDF.exe22021Item_list_sheet#7292020_PDF.exe

description	pid	process	target process
PID 1960 wrote to memory of 828	1960	22021Item_list_sheet#7292020_PDF.exe	22021Item_list_sheet#7292020_PDF.exe
PID 1960 wrote to memory of 828	1960	22021Item_list_sheet#7292020_PDF.exe	22021Item_list_sheet#7292020_PDF.exe
PID 1960 wrote to memory of 828	1960	22021Item_list_sheet#7292020_PDF.exe	22021Item_list_sheet#7292020_PDF.exe
PID 1960 wrote to memory of 828	1960	22021Item_list_sheet#7292020_PDF.exe	22021Item_list_sheet#7292020_PDF.exe
PID 1960 wrote to memory of 828	1960	22021Item_list_sheet#7292020_PDF.exe	22021Item_list_sheet#7292020_PDF.exe
PID 1960 wrote to memory of 828	1960	22021Item_list_sheet#7292020_PDF.exe	22021Item_list_sheet#7292020_PDF.exe
PID 1960 wrote to memory of 828	1960	22021Item_list_sheet#7292020_PDF.exe	22021Item_list_sheet#7292020_PDF.exe
PID 1960 wrote to memory of 828	1960	22021Item_list_sheet#7292020_PDF.exe	22021Item_list_sheet#7292020_PDF.exe
PID 1960 wrote to memory of 828	1960	22021Item_list_sheet#7292020_PDF.exe	22021Item_list_sheet#7292020_PDF.exe
PID 828 wrote to memory of 1412	828	22021Item_list_sheet#7292020_PDF.exe	schtasks.exe
PID 828 wrote to memory of 1412	828	22021Item_list_sheet#7292020_PDF.exe	schtasks.exe
PID 828 wrote to memory of 1412	828	22021Item_list_sheet#7292020_PDF.exe	schtasks.exe
PID 828 wrote to memory of 1412	828	22021Item_list_sheet#7292020_PDF.exe	schtasks.exe
PID 828 wrote to memory of 1920	828	22021Item_list_sheet#7292020_PDF.exe	schtasks.exe
PID 828 wrote to memory of 1920	828	22021Item_list_sheet#7292020_PDF.exe	schtasks.exe
PID 828 wrote to memory of 1920	828	22021Item_list_sheet#7292020_PDF.exe	schtasks.exe
PID 828 wrote to memory of 1920	828	22021Item_list_sheet#7292020_PDF.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\22021Item_list_sheet#7292020_PDF.exe
"C:\Users\Admin\AppData\Local\Temp\22021Item_list_sheet#7292020_PDF.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1960

C:\Users\Admin\AppData\Local\Temp\22021Item_list_sheet#7292020_PDF.exe
"{path}"
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:828

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "ARP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpA17E.tmp"
3⤵
- Creates scheduled task(s)
PID:1412

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "ARP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpCBD9.tmp"
3⤵
- Creates scheduled task(s)
PID:1920

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpA17E.tmp
Filesize
1KB

MD5
cc82d5f0e6ca65b3ec003db76ca541ac

SHA1
23c4203f4d8870d5415d6ff20bff4908f0858c63

SHA256
9c80dd14fa43eae7b36e96799958d354db1adb59e1ffedc9cb7fe5b41a2c9e56

SHA512
67f63e8bc7e782e372da2ff1de43d7471119677c9a36be304b0458a5d6f95f9cb3a51ef89d7ef50e90c183f1d2a774eff37c321902ac381a344c3bbb6db1da03

Download Submit
memory/828-64-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/828-65-0x000000000041E792-mapping.dmp

Download
memory/828-67-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/828-69-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/828-59-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/828-61-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/828-62-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/828-74-0x0000000000350000-0x000000000035A000-memory.dmp

Filesize
40KB

Download
memory/828-76-0x00000000004E0000-0x00000000004EA000-memory.dmp

Filesize
40KB

Download
memory/828-75-0x00000000003E0000-0x00000000003FE000-memory.dmp

Filesize
120KB

Download
memory/828-58-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/828-70-0x0000000075F21000-0x0000000075F23000-memory.dmp

Filesize
8KB

Download
memory/1412-71-0x0000000000000000-mapping.dmp

Download
memory/1920-73-0x0000000000000000-mapping.dmp

Download
memory/1960-57-0x00000000004C0000-0x0000000000504000-memory.dmp

Filesize
272KB

Download
memory/1960-55-0x0000000000910000-0x0000000000918000-memory.dmp

Filesize
32KB

Download
memory/1960-56-0x0000000004120000-0x000000000418A000-memory.dmp

Filesize
424KB

Download
memory/1960-54-0x0000000000A60000-0x0000000000B1C000-memory.dmp

Filesize
752KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads