nanocore | 60864902ad948db63fe7d04e2d299ace93e989b95cac3ec8db0096b9705f3f4d

General

Target

60864902ad948db63fe7d04e2d299ace93e989b95cac3ec8db0096b9705f3f4d.exe
Size

416KB
MD5

ad8510ee09068863597c43714c03d458
SHA1

0ef4784eae0fc6ef6dfcec087cace35f32f4fee2
SHA256

60864902ad948db63fe7d04e2d299ace93e989b95cac3ec8db0096b9705f3f4d
SHA512

d9098101eb4f6e83e477465917f56df49792c9790e1f264b8b2aa223e3703a10c1f6c6ae7878f3958d074ee9660acee07185c95937114ba068fdf669ef7678df
SSDEEP

6144:ITNE3ZRrnaBVlvphVxmP+6CiejgcME1cwYfU+va+RUg:ITNYrnE3bm/CiejewY5vl

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

[email protected]:46218

178.32.224.116:46218

Mutex

4af74541-e3f1-469c-8af7-efe4071b81cf

Attributes

activate_away_mode
false
backup_connection_host
178.32.224.116
backup_dns_server
buffer_size
65535
build_time
2018-07-28T12:59:38.488799236Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
false
clear_zone_identifier
false
connect_delay
4000
connection_port
46218
default_group
tourex
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
4af74541-e3f1-469c-8af7-efe4071b81cf
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
[email protected]
primary_dns_server
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
1.2.2.0
wan_timeout
8000

Signatures

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	60864902ad948db63fe7d04e2d299ace93e989b95cac3ec8db0096b9705f3f4d.exe

Executes dropped EXE 1 IoCs

pid	Process
4904	ximo2ubzn1i.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\c5e4gxfvd4v = "C:\\Users\\Admin\\AppData\\Roaming\\c5e4gxfvd4v\\ximo2ubzn1i.exe"	60864902ad948db63fe7d04e2d299ace93e989b95cac3ec8db0096b9705f3f4d.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	regasm.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4904 set thread context of 916	4904	ximo2ubzn1i.exe	85

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	60864902ad948db63fe7d04e2d299ace93e989b95cac3ec8db0096b9705f3f4d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ximo2ubzn1i.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regasm.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
916	regasm.exe
916	regasm.exe
916	regasm.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
916	regasm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	916	regasm.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 5100 wrote to memory of 4904	5100	60864902ad948db63fe7d04e2d299ace93e989b95cac3ec8db0096b9705f3f4d.exe	84
PID 5100 wrote to memory of 4904	5100	60864902ad948db63fe7d04e2d299ace93e989b95cac3ec8db0096b9705f3f4d.exe	84
PID 5100 wrote to memory of 4904	5100	60864902ad948db63fe7d04e2d299ace93e989b95cac3ec8db0096b9705f3f4d.exe	84
PID 4904 wrote to memory of 916	4904	ximo2ubzn1i.exe	85
PID 4904 wrote to memory of 916	4904	ximo2ubzn1i.exe	85
PID 4904 wrote to memory of 916	4904	ximo2ubzn1i.exe	85
PID 4904 wrote to memory of 916	4904	ximo2ubzn1i.exe	85
PID 4904 wrote to memory of 916	4904	ximo2ubzn1i.exe	85
PID 4904 wrote to memory of 916	4904	ximo2ubzn1i.exe	85
PID 4904 wrote to memory of 916	4904	ximo2ubzn1i.exe	85
PID 4904 wrote to memory of 916	4904	ximo2ubzn1i.exe	85

C:\Users\Admin\AppData\Local\Temp\60864902ad948db63fe7d04e2d299ace93e989b95cac3ec8db0096b9705f3f4d.exe
"C:\Users\Admin\AppData\Local\Temp\60864902ad948db63fe7d04e2d299ace93e989b95cac3ec8db0096b9705f3f4d.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5100
- C:\Users\Admin\AppData\Roaming\c5e4gxfvd4v\ximo2ubzn1i.exe
  "C:\Users\Admin\AppData\Roaming\c5e4gxfvd4v\ximo2ubzn1i.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4904
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
    3⤵
    - Checks whether UAC is enabled
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    PID:916

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

3

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\c5e4gxfvd4v\ximo2ubzn1i.exe

Filesize
416KB

MD5
b84e754ab47096456d6d52d1bc4a706d

SHA1
a2a45e6d7eeb79de63b14b9dc475382da7ec9cc9

SHA256
e83d038fc7986304151d56a46dd0d614e580a8efd5894a4c2e36c0da53156ee0

SHA512
c348a65a5ac4a6557733bbee2ec8874dbf906a4848733e13519dee8a773a9a6d30e517d8e6a62acfabae5392879e1e55dfbffda5160f9f387781f740f39fe5e7

Download Submit
memory/916-30-0x0000000005020000-0x000000000503E000-memory.dmp

Filesize
120KB

Download
memory/916-29-0x0000000005010000-0x000000000501A000-memory.dmp

Filesize
40KB

Download
memory/916-36-0x0000000074F90000-0x0000000075740000-memory.dmp

Filesize
7.7MB

Download
memory/916-26-0x0000000074F90000-0x0000000075740000-memory.dmp

Filesize
7.7MB

Download
memory/916-31-0x0000000005D80000-0x0000000005D8A000-memory.dmp

Filesize
40KB

Download
memory/916-22-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/916-23-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/916-27-0x0000000004EC0000-0x0000000004F5C000-memory.dmp

Filesize
624KB

Download
memory/916-24-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4904-21-0x0000000074F90000-0x0000000075740000-memory.dmp

Filesize
7.7MB

Download
memory/4904-20-0x0000000074F90000-0x0000000075740000-memory.dmp

Filesize
7.7MB

Download
memory/4904-33-0x0000000074F90000-0x0000000075740000-memory.dmp

Filesize
7.7MB

Download
memory/4904-35-0x0000000074F90000-0x0000000075740000-memory.dmp

Filesize
7.7MB

Download
memory/5100-2-0x0000000005DE0000-0x0000000006384000-memory.dmp

Filesize
5.6MB

Download
memory/5100-1-0x0000000000D20000-0x0000000000D8E000-memory.dmp

Filesize
440KB

Download
memory/5100-6-0x0000000005D60000-0x0000000005D9C000-memory.dmp

Filesize
240KB

Download
memory/5100-0-0x0000000074F9E000-0x0000000074F9F000-memory.dmp

Filesize
4KB

Download
memory/5100-4-0x0000000074F90000-0x0000000075740000-memory.dmp

Filesize
7.7MB

Download
memory/5100-5-0x0000000005840000-0x000000000584A000-memory.dmp

Filesize
40KB

Download
memory/5100-32-0x0000000074F90000-0x0000000075740000-memory.dmp

Filesize
7.7MB

Download
memory/5100-3-0x0000000005760000-0x00000000057F2000-memory.dmp

Filesize
584KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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