nanocore | 906b2a749ade93ddb03fac1b962eebd5895f677a5156b100361252804e5b8b8d

General

Target
906b2a749ade93ddb03fac1b962eebd5895f677a5156b100361252804e5b8b8d.exe
Size 280KB
Sample221119-b8b27sch5y
SHA256 906b2a749ade93ddb03fac1b962eebd5895f677a5156b100361252804e5b8b8d
MD5 531955c2858a3d6d54ad2ad737ecfde0
SHA1 2889d7a4c4bec15bfb42673c019c31d00e3bd66b
SHA512 c6993f024f74465bdefb01cd81d5a4b243dd3ffcd27e8e22b0bdb3ff0f61b052f366a90162c37c81b893e16efd9784b27ed1e73504ad1e6209072a8e7d77f823
SSDEEP 6144:hmmNqVyntdSFI9I30Gq7FO6/CvtDztym:hmmNqidSFI9I30lFn/CvtDk
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.2

C2

avito.duckdns.org:49562

Mutex

09f5c282-d61d-471d-899f-67d7d3d7b786

Attributes

activate_away_mode
true
backup_connection_host
avito.duckdns.org
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2015-04-18T19:55:13.265527836Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
49562
default_group
Updated
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
09f5c282-d61d-471d-899f-67d7d3d7b786
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
avito.duckdns.org
primary_dns_server
8.8.8.8
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
true
set_critical_process
true
timeout_interval
5000
use_custom_dns_server
false
version
1.2.2.2
wan_timeout
8000

Signatures

NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
keylogger trojan stealer spyware nanocore

Executes dropped EXE 2 IoCs

pid	Process
1716	zdqas.exe
632	svchost.exe

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	906b2a749ade93ddb03fac1b962eebd5895f677a5156b100361252804e5b8b8d.exe

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\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dfdsf514d15f1fe51z151 = "C:\\Users\\Admin\\AppData\\Roaming\\dfdsf514d15f1fe51z151\\zdqas.exe"	906b2a749ade93ddb03fac1b962eebd5895f677a5156b100361252804e5b8b8d.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	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1716 set thread context of 632	1716	zdqas.exe	85

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
632	svchost.exe
632	svchost.exe
632	svchost.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
632	svchost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	632	svchost.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4944	906b2a749ade93ddb03fac1b962eebd5895f677a5156b100361252804e5b8b8d.exe
1716	zdqas.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4944 wrote to memory of 1716	4944	906b2a749ade93ddb03fac1b962eebd5895f677a5156b100361252804e5b8b8d.exe	84
PID 4944 wrote to memory of 1716	4944	906b2a749ade93ddb03fac1b962eebd5895f677a5156b100361252804e5b8b8d.exe	84
PID 4944 wrote to memory of 1716	4944	906b2a749ade93ddb03fac1b962eebd5895f677a5156b100361252804e5b8b8d.exe	84
PID 1716 wrote to memory of 632	1716	zdqas.exe	85
PID 1716 wrote to memory of 632	1716	zdqas.exe	85
PID 1716 wrote to memory of 632	1716	zdqas.exe	85
PID 1716 wrote to memory of 632	1716	zdqas.exe	85
PID 1716 wrote to memory of 632	1716	zdqas.exe	85
PID 1716 wrote to memory of 632	1716	zdqas.exe	85
PID 1716 wrote to memory of 632	1716	zdqas.exe	85
PID 1716 wrote to memory of 632	1716	zdqas.exe	85
PID 1716 wrote to memory of 632	1716	zdqas.exe	85

C:\Users\Admin\AppData\Local\Temp\906b2a749ade93ddb03fac1b962eebd5895f677a5156b100361252804e5b8b8d.exe
"C:\Users\Admin\AppData\Local\Temp\906b2a749ade93ddb03fac1b962eebd5895f677a5156b100361252804e5b8b8d.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4944
- C:\Users\Admin\AppData\Roaming\dfdsf514d15f1fe51z151\zdqas.exe
  "C:\Users\Admin\AppData\Roaming\dfdsf514d15f1fe51z151\zdqas.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1716
- - C:\Users\Admin\AppData\Local\Temp\svchost.exe
    "C:\Users\Admin\AppData\Roaming\dfdsf514d15f1fe51z151\zdqas.exe"
    3⤵
    - Executes dropped EXE
    - Checks whether UAC is enabled
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    PID:632

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

svchost.exe

Path C:\Users\Admin\AppData\Local\Temp\svchost.exe
Size 32KB
SHA256 2cd6aacd0ed0f477f62833b13b97c26135f436dc59b0b09d4515a6c13cfe6e1f
MD5 3a77a4f220612fa55118fb8d7ddae83c
SHA1 b96fa726fc84fd46d03dd3c32689f645e0422278
SHA512 33a9cfc23d49505d7f2e1af4299ea2e6ccbe36daccc81c3dafc9652b8259083da88ee67312035e88dcbc1a6d76ce2c13b6067b6dbcc2afd310b91d4ee737c94d
SSDEEP 384:U94Oj9Y8/gS7SDriLGKq1MHR5Y4kg6ihJSxUCR1rgCPKabK2t0X5P7DZ+JgqSW7f:Uu+gSAdN1MH3DkFRJngqW
MD5 SHA1 SHA512 SSDEEP

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svchost.exe

Path C:\Users\Admin\AppData\Local\Temp\svchost.exe
Size 32KB
SHA256 2cd6aacd0ed0f477f62833b13b97c26135f436dc59b0b09d4515a6c13cfe6e1f
MD5 3a77a4f220612fa55118fb8d7ddae83c
SHA1 b96fa726fc84fd46d03dd3c32689f645e0422278
SHA512 33a9cfc23d49505d7f2e1af4299ea2e6ccbe36daccc81c3dafc9652b8259083da88ee67312035e88dcbc1a6d76ce2c13b6067b6dbcc2afd310b91d4ee737c94d
SSDEEP 384:U94Oj9Y8/gS7SDriLGKq1MHR5Y4kg6ihJSxUCR1rgCPKabK2t0X5P7DZ+JgqSW7f:Uu+gSAdN1MH3DkFRJngqW
MD5 SHA1 SHA512 SSDEEP

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zdqas.exe

Path C:\Users\Admin\AppData\Roaming\dfdsf514d15f1fe51z151\zdqas.exe
Size 280KB
SHA256 16601578f01d22df0e69895a25ee213fb533c081dd0d9a36afdbead3a1fd7119
MD5 e04722ab001bc5206d661c558a8fea79
SHA1 45a2dd92c86d7250ee7325658fab4b08fdf4247d
SHA512 5b1d6330fdb9cb65a7aacf8f4aa7f61e18dab87b0aa278f409ce4e6c3c386abc985c55dba7fad6187dd5f985b8e4f68a770b19f16c7f43e4db52130b7e07e06e
SSDEEP 6144:hmmNqVyntdSFI9I30Gq7FO6/CvtDztym:hmmNqidSFI9I30lFn/CvtDk
MD5 SHA1 SHA512 SSDEEP

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zdqas.exe

Path C:\Users\Admin\AppData\Roaming\dfdsf514d15f1fe51z151\zdqas.exe
Size 280KB
SHA256 16601578f01d22df0e69895a25ee213fb533c081dd0d9a36afdbead3a1fd7119
MD5 e04722ab001bc5206d661c558a8fea79
SHA1 45a2dd92c86d7250ee7325658fab4b08fdf4247d
SHA512 5b1d6330fdb9cb65a7aacf8f4aa7f61e18dab87b0aa278f409ce4e6c3c386abc985c55dba7fad6187dd5f985b8e4f68a770b19f16c7f43e4db52130b7e07e06e
SSDEEP 6144:hmmNqVyntdSFI9I30Gq7FO6/CvtDztym:hmmNqidSFI9I30lFn/CvtDk
MD5 SHA1 SHA512 SSDEEP

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memory/632-141-0x0000000000400000-0x0000000000438000-memory.dmp

Download

memory/632-144-0x0000000074650000-0x0000000074C01000-memory.dmp

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memory/632-145-0x0000000074650000-0x0000000074C01000-memory.dmp

Download

memory/4944-134-0x0000000002160000-0x0000000002166000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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