nanocore | 573b1dd9da735c7ca71132db9e6e8cb9fb5c8293b2f185d10b877ed33a203e2f

Analysis

max time kernel
4294185s
max time network
154s
platform
windows7_x64
resource
win7-20220310-en
submitted
02/04/2022, 16:11

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General

Target
46b282bdc8af51c89f4a76dbe59d2014.exe
Size 572KB
Sample220402-tmxe5abfek
SHA256 573b1dd9da735c7ca71132db9e6e8cb9fb5c8293b2f185d10b877ed33a203e2f
MD5 46b282bdc8af51c89f4a76dbe59d2014
SHA1 149b1ee6d5bc3c91cbb758811f599eb3e6394b5e
SHA512 0f1f7ca45edcc2d90b499affc7d782f041e4a1a334962e303efa725cde3ef54e16a35cd8433b21e7cb6ece5155f4b9ef762599349c60ad2f7ea900f797be6d1a
MD5 SHA1 SHA512

Score

10^/10

nanocore evasion keylogger persistence spyware stealer suricata trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

newnano03.ddns.net:6991

Mutex

82283d60-dc19-4dfd-837a-46ce92ded5a8

Attributes

activate_away_mode
true
backup_connection_host
newnano03.ddns.net
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2022-01-01T16:57:55.443374336Z
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
6991
default_group
xp2
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
82283d60-dc19-4dfd-837a-46ce92ded5a8
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
newnano03.ddns.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
suricata: ET MALWARE Possible NanoCore C2 60B
suricata: ET MALWARE Possible NanoCore C2 60B
suricata

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\DPI Subsystem = "C:\\Program Files (x86)\\DPI Subsystem\\dpiss.exe"	46b282bdc8af51c89f4a76dbe59d2014.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	46b282bdc8af51c89f4a76dbe59d2014.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1040 set thread context of 1932	1040	46b282bdc8af51c89f4a76dbe59d2014.exe	29

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\DPI Subsystem\dpiss.exe	46b282bdc8af51c89f4a76dbe59d2014.exe
File opened for modification	C:\Program Files (x86)\DPI Subsystem\dpiss.exe	46b282bdc8af51c89f4a76dbe59d2014.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

pid	Process
1936	schtasks.exe
1312	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1932	46b282bdc8af51c89f4a76dbe59d2014.exe
1932	46b282bdc8af51c89f4a76dbe59d2014.exe
1932	46b282bdc8af51c89f4a76dbe59d2014.exe
1932	46b282bdc8af51c89f4a76dbe59d2014.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1932	46b282bdc8af51c89f4a76dbe59d2014.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1932	46b282bdc8af51c89f4a76dbe59d2014.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1040 wrote to memory of 1932	1040	46b282bdc8af51c89f4a76dbe59d2014.exe	29
PID 1040 wrote to memory of 1932	1040	46b282bdc8af51c89f4a76dbe59d2014.exe	29
PID 1040 wrote to memory of 1932	1040	46b282bdc8af51c89f4a76dbe59d2014.exe	29
PID 1040 wrote to memory of 1932	1040	46b282bdc8af51c89f4a76dbe59d2014.exe	29
PID 1040 wrote to memory of 1932	1040	46b282bdc8af51c89f4a76dbe59d2014.exe	29
PID 1040 wrote to memory of 1932	1040	46b282bdc8af51c89f4a76dbe59d2014.exe	29
PID 1040 wrote to memory of 1932	1040	46b282bdc8af51c89f4a76dbe59d2014.exe	29
PID 1040 wrote to memory of 1932	1040	46b282bdc8af51c89f4a76dbe59d2014.exe	29
PID 1040 wrote to memory of 1932	1040	46b282bdc8af51c89f4a76dbe59d2014.exe	29
PID 1932 wrote to memory of 1936	1932	46b282bdc8af51c89f4a76dbe59d2014.exe	30
PID 1932 wrote to memory of 1936	1932	46b282bdc8af51c89f4a76dbe59d2014.exe	30
PID 1932 wrote to memory of 1936	1932	46b282bdc8af51c89f4a76dbe59d2014.exe	30
PID 1932 wrote to memory of 1936	1932	46b282bdc8af51c89f4a76dbe59d2014.exe	30
PID 1932 wrote to memory of 1312	1932	46b282bdc8af51c89f4a76dbe59d2014.exe	32
PID 1932 wrote to memory of 1312	1932	46b282bdc8af51c89f4a76dbe59d2014.exe	32
PID 1932 wrote to memory of 1312	1932	46b282bdc8af51c89f4a76dbe59d2014.exe	32
PID 1932 wrote to memory of 1312	1932	46b282bdc8af51c89f4a76dbe59d2014.exe	32

C:\Users\Admin\AppData\Local\Temp\46b282bdc8af51c89f4a76dbe59d2014.exe
"C:\Users\Admin\AppData\Local\Temp\46b282bdc8af51c89f4a76dbe59d2014.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1040
- C:\Users\Admin\AppData\Local\Temp\46b282bdc8af51c89f4a76dbe59d2014.exe
  "C:\Users\Admin\AppData\Local\Temp\46b282bdc8af51c89f4a76dbe59d2014.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:1932
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "DPI Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmpA1E.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:1936
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "DPI Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpCAF.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:1312

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

tmpA1E.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmpA1E.tmp
Size 1KB
SHA256 a7df4ded9bdd4aa8ff665e76b1d025e739f1d41307fc3c2e7ebaaa02ebd60dd2
MD5 6b21a5c5444d952a6c95a6c259357db4
SHA1 b9ccae023fe3ecff6720bd7e61b5588c20586772
SHA512 5d1e9b2bb1835e47676d366141a861ef5469d3eaabcf12e446b5411ccafb3f05d8aead19863f742b211cb5511dcd5ef460efbf719ea1b3c20a00c0c4d3deb64b
MD5 SHA1 SHA512

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tmpCAF.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmpCAF.tmp
Size 1KB
SHA256 e858982f4ab3c74f7a8903eea18c0f73501a77273ae38b54d5c9dec997e79a66
MD5 5fea24e883e06e4df6d240dc72abf2c5
SHA1 d778bf0f436141e02df4b421e8188abdcc9a84a4
SHA512 15afc2ffbbee14d28a5ff8dc8285d01c942147aada36fb33e31045a4e998769b51738bebe199bcad3462f918b535845a893aa2f80c84b9c795cd1fee4a327924
MD5 SHA1 SHA512

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memory/1040-54-0x0000000000810000-0x00000000008A4000-memory.dmp

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memory/1040-55-0x0000000000610000-0x0000000000620000-memory.dmp

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memory/1040-56-0x0000000005760000-0x00000000057DC000-memory.dmp

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memory/1040-57-0x00000000042B0000-0x00000000042EA000-memory.dmp

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memory/1932-62-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/1932-76-0x00000000003E0000-0x00000000003EA000-memory.dmp

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memory/1932-64-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/1932-67-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/1932-69-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/1932-88-0x0000000000800000-0x0000000000814000-memory.dmp

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memory/1932-61-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/1932-59-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/1932-58-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/1932-74-0x00000000003D0000-0x00000000003DA000-memory.dmp

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memory/1932-75-0x0000000000580000-0x000000000059E000-memory.dmp

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memory/1932-77-0x00000000005A0000-0x00000000005B2000-memory.dmp

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memory/1932-78-0x00000000005B0000-0x00000000005CA000-memory.dmp

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memory/1932-79-0x00000000006A0000-0x00000000006AE000-memory.dmp

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memory/1932-80-0x0000000000700000-0x0000000000712000-memory.dmp

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memory/1932-81-0x0000000000750000-0x000000000075E000-memory.dmp

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memory/1932-82-0x0000000000760000-0x000000000076C000-memory.dmp

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memory/1932-83-0x00000000007B0000-0x00000000007C4000-memory.dmp

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memory/1932-84-0x00000000007C0000-0x00000000007D0000-memory.dmp

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memory/1932-85-0x00000000007D0000-0x00000000007E4000-memory.dmp

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memory/1932-86-0x00000000007E0000-0x00000000007EE000-memory.dmp

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memory/1932-87-0x0000000000A40000-0x0000000000A6E000-memory.dmp

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