nanocore | 88a42c019e2dcd367a2a2265dd98ea239cefc53a61433a7b6ce6cf7f09ac86a3

General

Target

88a42c019e2dcd367a2a2265dd98ea239cefc53a61433a7b6ce6cf7f09ac86a3.exe
Size

821KB
MD5

39b68c8643c64fffee5f1f7a5488f058
SHA1

6ccfff272b5f77a6d6a2a7a742c914f4d1086081
SHA256

88a42c019e2dcd367a2a2265dd98ea239cefc53a61433a7b6ce6cf7f09ac86a3
SHA512

c2975437b5f792386d0a45367822d613352cda9669f69927d56a43c5b5d85110d9e9bfdd4e86e44cf6e1f31bc91e8b8a6f354ec2c9e2600412354c0185722bd2
SSDEEP

12288:tx5ADqjJ5nV/ncE3xZwsV0fXdEVcq4tF/DIKRm0+9MK:1jrNn5ZqNilATqe

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

dera5nano.ddns.net:1010

107.182.129.248:1010

Mutex

5a26bcef-e67f-486a-8e48-1748cc7891a2

Attributes

activate_away_mode
true
backup_connection_host
107.182.129.248
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2022-06-06T12:07:01.612898436Z
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
1010
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
5a26bcef-e67f-486a-8e48-1748cc7891a2
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
dera5nano.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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

88a42c019e2dcd367a2a2265dd98ea239cefc53a61433a7b6ce6cf7f09ac86a3.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	88a42c019e2dcd367a2a2265dd98ea239cefc53a61433a7b6ce6cf7f09ac86a3.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

88a42c019e2dcd367a2a2265dd98ea239cefc53a61433a7b6ce6cf7f09ac86a3.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DHCP Subsystem = "C:\\Program Files (x86)\\DHCP Subsystem\\dhcpss.exe"	88a42c019e2dcd367a2a2265dd98ea239cefc53a61433a7b6ce6cf7f09ac86a3.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

88a42c019e2dcd367a2a2265dd98ea239cefc53a61433a7b6ce6cf7f09ac86a3.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	88a42c019e2dcd367a2a2265dd98ea239cefc53a61433a7b6ce6cf7f09ac86a3.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

88a42c019e2dcd367a2a2265dd98ea239cefc53a61433a7b6ce6cf7f09ac86a3.exe

description	pid	process	target process
PID 1260 set thread context of 4312	1260	88a42c019e2dcd367a2a2265dd98ea239cefc53a61433a7b6ce6cf7f09ac86a3.exe	88a42c019e2dcd367a2a2265dd98ea239cefc53a61433a7b6ce6cf7f09ac86a3.exe

Drops file in Program Files directory 2 IoCs

Processes:

88a42c019e2dcd367a2a2265dd98ea239cefc53a61433a7b6ce6cf7f09ac86a3.exe

description	ioc	process
File created	C:\Program Files (x86)\DHCP Subsystem\dhcpss.exe	88a42c019e2dcd367a2a2265dd98ea239cefc53a61433a7b6ce6cf7f09ac86a3.exe
File opened for modification	C:\Program Files (x86)\DHCP Subsystem\dhcpss.exe	88a42c019e2dcd367a2a2265dd98ea239cefc53a61433a7b6ce6cf7f09ac86a3.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 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exeschtasks.exe

pid process

404 schtasks.exe
3944 schtasks.exe
3520 schtasks.exe

pid	process
404	schtasks.exe
3944	schtasks.exe
3520	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

88a42c019e2dcd367a2a2265dd98ea239cefc53a61433a7b6ce6cf7f09ac86a3.exe

pid	process
4312	88a42c019e2dcd367a2a2265dd98ea239cefc53a61433a7b6ce6cf7f09ac86a3.exe
4312	88a42c019e2dcd367a2a2265dd98ea239cefc53a61433a7b6ce6cf7f09ac86a3.exe
4312	88a42c019e2dcd367a2a2265dd98ea239cefc53a61433a7b6ce6cf7f09ac86a3.exe
4312	88a42c019e2dcd367a2a2265dd98ea239cefc53a61433a7b6ce6cf7f09ac86a3.exe
4312	88a42c019e2dcd367a2a2265dd98ea239cefc53a61433a7b6ce6cf7f09ac86a3.exe
4312	88a42c019e2dcd367a2a2265dd98ea239cefc53a61433a7b6ce6cf7f09ac86a3.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

88a42c019e2dcd367a2a2265dd98ea239cefc53a61433a7b6ce6cf7f09ac86a3.exe

pid process

4312 88a42c019e2dcd367a2a2265dd98ea239cefc53a61433a7b6ce6cf7f09ac86a3.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

88a42c019e2dcd367a2a2265dd98ea239cefc53a61433a7b6ce6cf7f09ac86a3.exe

description pid process

Token: SeDebugPrivilege 4312 88a42c019e2dcd367a2a2265dd98ea239cefc53a61433a7b6ce6cf7f09ac86a3.exe

description	pid	process
Token: SeDebugPrivilege	4312	88a42c019e2dcd367a2a2265dd98ea239cefc53a61433a7b6ce6cf7f09ac86a3.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

88a42c019e2dcd367a2a2265dd98ea239cefc53a61433a7b6ce6cf7f09ac86a3.exe88a42c019e2dcd367a2a2265dd98ea239cefc53a61433a7b6ce6cf7f09ac86a3.exe

description	pid	process	target process
PID 1260 wrote to memory of 3520	1260	88a42c019e2dcd367a2a2265dd98ea239cefc53a61433a7b6ce6cf7f09ac86a3.exe	schtasks.exe
PID 1260 wrote to memory of 3520	1260	88a42c019e2dcd367a2a2265dd98ea239cefc53a61433a7b6ce6cf7f09ac86a3.exe	schtasks.exe
PID 1260 wrote to memory of 3520	1260	88a42c019e2dcd367a2a2265dd98ea239cefc53a61433a7b6ce6cf7f09ac86a3.exe	schtasks.exe
PID 1260 wrote to memory of 4312	1260	88a42c019e2dcd367a2a2265dd98ea239cefc53a61433a7b6ce6cf7f09ac86a3.exe	88a42c019e2dcd367a2a2265dd98ea239cefc53a61433a7b6ce6cf7f09ac86a3.exe
PID 1260 wrote to memory of 4312	1260	88a42c019e2dcd367a2a2265dd98ea239cefc53a61433a7b6ce6cf7f09ac86a3.exe	88a42c019e2dcd367a2a2265dd98ea239cefc53a61433a7b6ce6cf7f09ac86a3.exe
PID 1260 wrote to memory of 4312	1260	88a42c019e2dcd367a2a2265dd98ea239cefc53a61433a7b6ce6cf7f09ac86a3.exe	88a42c019e2dcd367a2a2265dd98ea239cefc53a61433a7b6ce6cf7f09ac86a3.exe
PID 1260 wrote to memory of 4312	1260	88a42c019e2dcd367a2a2265dd98ea239cefc53a61433a7b6ce6cf7f09ac86a3.exe	88a42c019e2dcd367a2a2265dd98ea239cefc53a61433a7b6ce6cf7f09ac86a3.exe
PID 1260 wrote to memory of 4312	1260	88a42c019e2dcd367a2a2265dd98ea239cefc53a61433a7b6ce6cf7f09ac86a3.exe	88a42c019e2dcd367a2a2265dd98ea239cefc53a61433a7b6ce6cf7f09ac86a3.exe
PID 1260 wrote to memory of 4312	1260	88a42c019e2dcd367a2a2265dd98ea239cefc53a61433a7b6ce6cf7f09ac86a3.exe	88a42c019e2dcd367a2a2265dd98ea239cefc53a61433a7b6ce6cf7f09ac86a3.exe
PID 1260 wrote to memory of 4312	1260	88a42c019e2dcd367a2a2265dd98ea239cefc53a61433a7b6ce6cf7f09ac86a3.exe	88a42c019e2dcd367a2a2265dd98ea239cefc53a61433a7b6ce6cf7f09ac86a3.exe
PID 1260 wrote to memory of 4312	1260	88a42c019e2dcd367a2a2265dd98ea239cefc53a61433a7b6ce6cf7f09ac86a3.exe	88a42c019e2dcd367a2a2265dd98ea239cefc53a61433a7b6ce6cf7f09ac86a3.exe
PID 4312 wrote to memory of 404	4312	88a42c019e2dcd367a2a2265dd98ea239cefc53a61433a7b6ce6cf7f09ac86a3.exe	schtasks.exe
PID 4312 wrote to memory of 404	4312	88a42c019e2dcd367a2a2265dd98ea239cefc53a61433a7b6ce6cf7f09ac86a3.exe	schtasks.exe
PID 4312 wrote to memory of 404	4312	88a42c019e2dcd367a2a2265dd98ea239cefc53a61433a7b6ce6cf7f09ac86a3.exe	schtasks.exe
PID 4312 wrote to memory of 3944	4312	88a42c019e2dcd367a2a2265dd98ea239cefc53a61433a7b6ce6cf7f09ac86a3.exe	schtasks.exe
PID 4312 wrote to memory of 3944	4312	88a42c019e2dcd367a2a2265dd98ea239cefc53a61433a7b6ce6cf7f09ac86a3.exe	schtasks.exe
PID 4312 wrote to memory of 3944	4312	88a42c019e2dcd367a2a2265dd98ea239cefc53a61433a7b6ce6cf7f09ac86a3.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\88a42c019e2dcd367a2a2265dd98ea239cefc53a61433a7b6ce6cf7f09ac86a3.exe
"C:\Users\Admin\AppData\Local\Temp\88a42c019e2dcd367a2a2265dd98ea239cefc53a61433a7b6ce6cf7f09ac86a3.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1260

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hfRukTKwYAFFC" /XML "C:\Users\Admin\AppData\Local\Temp\tmp29CF.tmp"
2⤵
- Creates scheduled task(s)
PID:3520

C:\Users\Admin\AppData\Local\Temp\88a42c019e2dcd367a2a2265dd98ea239cefc53a61433a7b6ce6cf7f09ac86a3.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:4312

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DHCP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp2E63.tmp"
3⤵
- Creates scheduled task(s)
PID:404

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DHCP Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp2EC2.tmp"
3⤵
- Creates scheduled task(s)
PID:3944

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

Query Registry

1

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\88a42c019e2dcd367a2a2265dd98ea239cefc53a61433a7b6ce6cf7f09ac86a3.exe.log
Filesize
1KB

MD5
84e77a587d94307c0ac1357eb4d3d46f

SHA1
83cc900f9401f43d181207d64c5adba7a85edc1e

SHA256
e16024b092a026a9dc00df69d4b9bbcab7b2dc178dc5291fc308a1abc9304a99

SHA512
aefb5c62200b3ed97718d20a89990954d4d8acdc0a6a73c5a420f1bba619cb79e70c2cd0a579b9f52dc6b09e1de2cea6cd6cac4376cfee92d94e2c01d310f691

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp29CF.tmp
Filesize
1KB

MD5
ea61e4f3fcc3377e820d40b6b7eea256

SHA1
6a0c5d63ae7d49d63109fb390f144c5b764b4845

SHA256
3eb10bba625e044bd2d564b3772d16b2bc14a18b86e9154f7fcf717425075091

SHA512
174212db25aac68fa1edbc7fca04461d788212f63aecc3296e20a00cb039f73721a7d88f99862095c76d8aef628387f7a78c0aaab6edf36f3dd5ca49c0c2bb60

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp2E63.tmp
Filesize
1KB

MD5
0931734f41da842afc8beebc8c3e79bb

SHA1
9da17394cbbb0050bd45e4dc1a1edf96bc0255c6

SHA256
71378595d0177edda1568907803de927bc08717b3141db2f65f57dc802f34044

SHA512
09492b8b0789cb7ebe52c890a98b3dfdbb46238be842b81f0ab6fcba6e97d7f864ba2755689435dbe717d8bd26550781ca86b44ecd771f45f29f3554b726e3e9

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp2EC2.tmp
Filesize
1KB

MD5
2f26d92c1eeead3896820e56ec46f6f1

SHA1
d95533b61eed7d89e4ada56bc566d60e42ac1f61

SHA256
99a158463ce40c750bad6991ae1fceece305a0dbf8e209dd7147b5d539756bfa

SHA512
6c1ed12d5e1afcd9e7f327e0153786fd8594f75a995f341c408ef014e69917452a9fe99c511f0249aceb57b3045b707f1fd3f404e4086cfbf0aadcb3318db892

Download Submit
memory/404-142-0x0000000000000000-mapping.dmp

Download
memory/1260-135-0x00000000053D0000-0x000000000546C000-memory.dmp

Filesize
624KB

Download
memory/1260-136-0x0000000005340000-0x000000000534A000-memory.dmp

Filesize
40KB

Download
memory/1260-134-0x0000000005290000-0x0000000005322000-memory.dmp

Filesize
584KB

Download
memory/1260-132-0x0000000000820000-0x00000000008F4000-memory.dmp

Filesize
848KB

Download
memory/1260-133-0x0000000005840000-0x0000000005DE4000-memory.dmp

Filesize
5.6MB

Download
memory/3520-137-0x0000000000000000-mapping.dmp

Download
memory/3944-144-0x0000000000000000-mapping.dmp

Download
memory/4312-140-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4312-139-0x0000000000000000-mapping.dmp

Download
memory/4312-146-0x0000000006B80000-0x0000000006BE6000-memory.dmp

Filesize
408KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads