nanocore | 0289b5c2829170ad4bb04daedbd3db5e56474415aee109a91a66ba9fa8a7a179

General

Target

CPSPM_328850_12656860179_pdf.exe
Size

865KB
MD5

a1cae12bf28fe87a4ac72a07ba8ee588
SHA1

7b50eced7533928bb4c6ea832b870321eb7511fd
SHA256

0289b5c2829170ad4bb04daedbd3db5e56474415aee109a91a66ba9fa8a7a179
SHA512

da9a05b6d8bfba596439efbdf7d84a05897d31a4a66b8608ab47879d6ee951064685040bb57c4462a30920a3858bed4984fa9eb4e2994f6bd1a7ec4e20079edb

Score

10^/10

nanocore evasion keylogger spyware stealer suricata trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

config.linkpc.net:3425

Mutex

e5ec3588-c148-476e-a8f8-2e9038dcba4d

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
buffer_size
65535
build_time
2022-04-01T12:01:12.053123736Z
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
3425
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
e5ec3588-c148-476e-a8f8-2e9038dcba4d
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
config.linkpc.net
primary_dns_server
config.linkpc.net
request_elevation
true
restart_delay
5000
run_delay
15
run_on_startup
true
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
suricata: ET MALWARE Possible NanoCore C2 60B
suricata: ET MALWARE Possible NanoCore C2 60B
suricata

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

CPSPM_328850_12656860179_pdf.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	CPSPM_328850_12656860179_pdf.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

CPSPM_328850_12656860179_pdf.exe

description pid process target process

PID 1968 set thread context of 756 1968 CPSPM_328850_12656860179_pdf.exe CPSPM_328850_12656860179_pdf.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
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

1708 schtasks.exe
392 schtasks.exe

description	pid	process	target process
PID 1968 set thread context of 756	1968	CPSPM_328850_12656860179_pdf.exe	CPSPM_328850_12656860179_pdf.exe

pid	process
1708	schtasks.exe
392	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

CPSPM_328850_12656860179_pdf.exepowershell.exeCPSPM_328850_12656860179_pdf.exe

pid	process
1968	CPSPM_328850_12656860179_pdf.exe
1968	CPSPM_328850_12656860179_pdf.exe
1736	powershell.exe
756	CPSPM_328850_12656860179_pdf.exe
756	CPSPM_328850_12656860179_pdf.exe
756	CPSPM_328850_12656860179_pdf.exe
756	CPSPM_328850_12656860179_pdf.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

CPSPM_328850_12656860179_pdf.exe

pid process

756 CPSPM_328850_12656860179_pdf.exe

pid	process
756	CPSPM_328850_12656860179_pdf.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

CPSPM_328850_12656860179_pdf.exepowershell.exeCPSPM_328850_12656860179_pdf.exe

description	pid	process
Token: SeDebugPrivilege	1968	CPSPM_328850_12656860179_pdf.exe
Token: SeDebugPrivilege	1736	powershell.exe
Token: SeDebugPrivilege	756	CPSPM_328850_12656860179_pdf.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

CPSPM_328850_12656860179_pdf.exeCPSPM_328850_12656860179_pdf.exe

description	pid	process	target process
PID 1968 wrote to memory of 1736	1968	CPSPM_328850_12656860179_pdf.exe	powershell.exe
PID 1968 wrote to memory of 1736	1968	CPSPM_328850_12656860179_pdf.exe	powershell.exe
PID 1968 wrote to memory of 1736	1968	CPSPM_328850_12656860179_pdf.exe	powershell.exe
PID 1968 wrote to memory of 1736	1968	CPSPM_328850_12656860179_pdf.exe	powershell.exe
PID 1968 wrote to memory of 1708	1968	CPSPM_328850_12656860179_pdf.exe	schtasks.exe
PID 1968 wrote to memory of 1708	1968	CPSPM_328850_12656860179_pdf.exe	schtasks.exe
PID 1968 wrote to memory of 1708	1968	CPSPM_328850_12656860179_pdf.exe	schtasks.exe
PID 1968 wrote to memory of 1708	1968	CPSPM_328850_12656860179_pdf.exe	schtasks.exe
PID 1968 wrote to memory of 756	1968	CPSPM_328850_12656860179_pdf.exe	CPSPM_328850_12656860179_pdf.exe
PID 1968 wrote to memory of 756	1968	CPSPM_328850_12656860179_pdf.exe	CPSPM_328850_12656860179_pdf.exe
PID 1968 wrote to memory of 756	1968	CPSPM_328850_12656860179_pdf.exe	CPSPM_328850_12656860179_pdf.exe
PID 1968 wrote to memory of 756	1968	CPSPM_328850_12656860179_pdf.exe	CPSPM_328850_12656860179_pdf.exe
PID 1968 wrote to memory of 756	1968	CPSPM_328850_12656860179_pdf.exe	CPSPM_328850_12656860179_pdf.exe
PID 1968 wrote to memory of 756	1968	CPSPM_328850_12656860179_pdf.exe	CPSPM_328850_12656860179_pdf.exe
PID 1968 wrote to memory of 756	1968	CPSPM_328850_12656860179_pdf.exe	CPSPM_328850_12656860179_pdf.exe
PID 1968 wrote to memory of 756	1968	CPSPM_328850_12656860179_pdf.exe	CPSPM_328850_12656860179_pdf.exe
PID 1968 wrote to memory of 756	1968	CPSPM_328850_12656860179_pdf.exe	CPSPM_328850_12656860179_pdf.exe
PID 756 wrote to memory of 392	756	CPSPM_328850_12656860179_pdf.exe	schtasks.exe
PID 756 wrote to memory of 392	756	CPSPM_328850_12656860179_pdf.exe	schtasks.exe
PID 756 wrote to memory of 392	756	CPSPM_328850_12656860179_pdf.exe	schtasks.exe
PID 756 wrote to memory of 392	756	CPSPM_328850_12656860179_pdf.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\CPSPM_328850_12656860179_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\CPSPM_328850_12656860179_pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1968

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\tOzYewoc.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1736

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tOzYewoc" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBCDA.tmp"
2⤵
- Creates scheduled task(s)
PID:1708

C:\Users\Admin\AppData\Local\Temp\CPSPM_328850_12656860179_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\CPSPM_328850_12656860179_pdf.exe"
2⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:756

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "ARP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpC41B.tmp"
3⤵
- Creates scheduled task(s)
PID:392

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

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

MD5
dd82a7c004df07714a0394dab9aa2c9e

SHA1
71e2aeddf5ffa499d477f773f4aa0cbc9fe6eeb3

SHA256
20560743c17c11ee9569cb9a7ba114b4b9ee3510244de7edc83f6f890fc6bec8

SHA512
da442418097d038e8b69c0f7ec36e4ea195c767ae92ddc9c812ea761d8be31c920b11a8494f68b54dca59bfce74b26a36bb3471b4d48c0a1a489b4923fc2706e

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC41B.tmp
Filesize
1KB

MD5
a8bb564d4daefc1ae61c28fc719f8262

SHA1
9c69f25a7da56ddec1d6f8b048e91339ff621c0f

SHA256
a31e293fa5953f5b62b87251e1b698d5b65436142e219891c2ec6964ecc56e7b

SHA512
5f7d8becd31054368904d616f3c834cae50ced5f887bbc832bb1c69bce640b1757a486830e528d6ea8d4744fff226cac4e411b99e989164296a8062398244e72

Download Submit
memory/392-78-0x0000000000000000-mapping.dmp

Download
memory/756-87-0x0000000000C10000-0x0000000000C22000-memory.dmp

Filesize
72KB

Download
memory/756-65-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/756-95-0x0000000000FB0000-0x0000000000FC4000-memory.dmp

Filesize
80KB

Download
memory/756-94-0x0000000000FD0000-0x0000000000FFE000-memory.dmp

Filesize
184KB

Download
memory/756-93-0x0000000000ED0000-0x0000000000EDE000-memory.dmp

Filesize
56KB

Download
memory/756-92-0x0000000000EC0000-0x0000000000ED4000-memory.dmp

Filesize
80KB

Download
memory/756-91-0x0000000000DB0000-0x0000000000DC0000-memory.dmp

Filesize
64KB

Download
memory/756-80-0x0000000000440000-0x000000000044A000-memory.dmp

Filesize
40KB

Download
memory/756-66-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/756-68-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/756-69-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/756-71-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/756-72-0x000000000041E792-mapping.dmp

Download
memory/756-81-0x0000000000450000-0x000000000046E000-memory.dmp

Filesize
120KB

Download
memory/756-76-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/756-90-0x0000000000C80000-0x0000000000C94000-memory.dmp

Filesize
80KB

Download
memory/756-89-0x0000000000C70000-0x0000000000C7E000-memory.dmp

Filesize
56KB

Download
memory/756-88-0x0000000000C60000-0x0000000000C6C000-memory.dmp

Filesize
48KB

Download
memory/756-74-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/756-82-0x00000000004B0000-0x00000000004BA000-memory.dmp

Filesize
40KB

Download
memory/756-86-0x0000000000AC0000-0x0000000000ACE000-memory.dmp

Filesize
56KB

Download
memory/756-84-0x00000000005A0000-0x00000000005B2000-memory.dmp

Filesize
72KB

Download
memory/756-85-0x00000000005B0000-0x00000000005CA000-memory.dmp

Filesize
104KB

Download
memory/1708-61-0x0000000000000000-mapping.dmp

Download
memory/1736-83-0x000000006FB60000-0x000000007010B000-memory.dmp

Filesize
5.7MB

Download
memory/1736-60-0x0000000000000000-mapping.dmp

Download
memory/1968-54-0x0000000001380000-0x000000000145E000-memory.dmp

Filesize
888KB

Download
memory/1968-58-0x00000000003D0000-0x00000000003DE000-memory.dmp

Filesize
56KB

Download
memory/1968-56-0x0000000004860000-0x00000000048EC000-memory.dmp

Filesize
560KB

Download
memory/1968-64-0x00000000072D0000-0x000000000730A000-memory.dmp

Filesize
232KB

Download
memory/1968-57-0x00000000003B0000-0x00000000003D0000-memory.dmp

Filesize
128KB

Download
memory/1968-55-0x0000000075EF1000-0x0000000075EF3000-memory.dmp

Filesize
8KB

Download
memory/1968-59-0x0000000008280000-0x00000000082FE000-memory.dmp

Filesize
504KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads