nanocore | ff84808d90807f07f071305812ebf2cb695b8046fee19f2148b74a5b7e0f3c78

General

Target

e9f8fee885f2a262dcd4a874dd2cb724ea584704d182f1759ae2c455c48653e1N.exe
Size

416KB
MD5

30579f385b92ed2a631797a34d059fc8
SHA1

3b4aa84851da9d9062ed3dfe5c584ec9e9dffdc3
SHA256

ff84808d90807f07f071305812ebf2cb695b8046fee19f2148b74a5b7e0f3c78
SHA512

82a1eccc569d97aad7ed2f24a10ccc19f2df980023331b2df4b0736ad5c03a733188d07926afdc89cc6cb1ad1bee3a74cf2219010dd7a9f20895da3da3703143
SSDEEP

6144:ITNE3ZRrnaBVlvphVxmP+6CiejgcME1cwYfU+va+RU7a:ITNYrnE3bm/CiejewY5vp

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

Processes:

e9f8fee885f2a262dcd4a874dd2cb724ea584704d182f1759ae2c455c48653e1N.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	e9f8fee885f2a262dcd4a874dd2cb724ea584704d182f1759ae2c455c48653e1N.exe

Executes dropped EXE 1 IoCs

Processes:

ximo2ubzn1i.exe

pid process

3492 ximo2ubzn1i.exe

pid	process
3492	ximo2ubzn1i.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

e9f8fee885f2a262dcd4a874dd2cb724ea584704d182f1759ae2c455c48653e1N.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\c5e4gxfvd4v = "C:\\Users\\Admin\\AppData\\Roaming\\c5e4gxfvd4v\\ximo2ubzn1i.exe"	e9f8fee885f2a262dcd4a874dd2cb724ea584704d182f1759ae2c455c48653e1N.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

regasm.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA regasm.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

ximo2ubzn1i.exe

description pid process target process

PID 3492 set thread context of 1560 3492 ximo2ubzn1i.exe regasm.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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

description	pid	process	target process
PID 3492 set thread context of 1560	3492	ximo2ubzn1i.exe	regasm.exe

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

Processes:

e9f8fee885f2a262dcd4a874dd2cb724ea584704d182f1759ae2c455c48653e1N.exeximo2ubzn1i.exeregasm.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e9f8fee885f2a262dcd4a874dd2cb724ea584704d182f1759ae2c455c48653e1N.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

Processes:

regasm.exe

pid process

1560 regasm.exe
1560 regasm.exe
1560 regasm.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

regasm.exe

pid process

1560 regasm.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

regasm.exe

description pid process

Token: SeDebugPrivilege 1560 regasm.exe

pid	process
1560	regasm.exe
1560	regasm.exe
1560	regasm.exe

pid	process
1560	regasm.exe

description	pid	process
Token: SeDebugPrivilege	1560	regasm.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

e9f8fee885f2a262dcd4a874dd2cb724ea584704d182f1759ae2c455c48653e1N.exeximo2ubzn1i.exe

description	pid	process	target process
PID 1428 wrote to memory of 3492	1428	e9f8fee885f2a262dcd4a874dd2cb724ea584704d182f1759ae2c455c48653e1N.exe	ximo2ubzn1i.exe
PID 1428 wrote to memory of 3492	1428	e9f8fee885f2a262dcd4a874dd2cb724ea584704d182f1759ae2c455c48653e1N.exe	ximo2ubzn1i.exe
PID 1428 wrote to memory of 3492	1428	e9f8fee885f2a262dcd4a874dd2cb724ea584704d182f1759ae2c455c48653e1N.exe	ximo2ubzn1i.exe
PID 3492 wrote to memory of 1560	3492	ximo2ubzn1i.exe	regasm.exe
PID 3492 wrote to memory of 1560	3492	ximo2ubzn1i.exe	regasm.exe
PID 3492 wrote to memory of 1560	3492	ximo2ubzn1i.exe	regasm.exe
PID 3492 wrote to memory of 1560	3492	ximo2ubzn1i.exe	regasm.exe
PID 3492 wrote to memory of 1560	3492	ximo2ubzn1i.exe	regasm.exe
PID 3492 wrote to memory of 1560	3492	ximo2ubzn1i.exe	regasm.exe
PID 3492 wrote to memory of 1560	3492	ximo2ubzn1i.exe	regasm.exe
PID 3492 wrote to memory of 1560	3492	ximo2ubzn1i.exe	regasm.exe

C:\Users\Admin\AppData\Local\Temp\e9f8fee885f2a262dcd4a874dd2cb724ea584704d182f1759ae2c455c48653e1N.exe
"C:\Users\Admin\AppData\Local\Temp\e9f8fee885f2a262dcd4a874dd2cb724ea584704d182f1759ae2c455c48653e1N.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1428
- 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:3492
- - 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:1560

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
6b960fdbb39fc5d12d13afc4eaa90ce0

SHA1
83939c12746d3ef7a8e23f126116b73432836a06

SHA256
df62652c8b85941919e3d337ceef7b441341e73ccb71adb6fa6c339936d0652d

SHA512
368b8e4f5362b8241913c7cb9a033c410aa0efee995fb97444b655e7fed9fabf8956570ac411642dba84164817e8adc576b9c55f9dcf6ba97d765f563b2fae4d

Download Submit
memory/1428-0-0x000000007457E000-0x000000007457F000-memory.dmp

Filesize
4KB

Download
memory/1428-1-0x0000000000B60000-0x0000000000BCE000-memory.dmp

Filesize
440KB

Download
memory/1428-2-0x0000000005AF0000-0x0000000006094000-memory.dmp

Filesize
5.6MB

Download
memory/1428-3-0x0000000005620000-0x00000000056B2000-memory.dmp

Filesize
584KB

Download
memory/1428-4-0x00000000055D0000-0x00000000055DA000-memory.dmp

Filesize
40KB

Download
memory/1428-5-0x0000000074570000-0x0000000074D20000-memory.dmp

Filesize
7.7MB

Download
memory/1428-6-0x00000000057A0000-0x00000000057DC000-memory.dmp

Filesize
240KB

Download
memory/1428-20-0x0000000074570000-0x0000000074D20000-memory.dmp

Filesize
7.7MB

Download
memory/1560-28-0x00000000051E0000-0x000000000527C000-memory.dmp

Filesize
624KB

Download
memory/1560-23-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1560-25-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1560-24-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1560-27-0x0000000074570000-0x0000000074D20000-memory.dmp

Filesize
7.7MB

Download
memory/1560-30-0x00000000051A0000-0x00000000051AA000-memory.dmp

Filesize
40KB

Download
memory/1560-31-0x00000000051B0000-0x00000000051CE000-memory.dmp

Filesize
120KB

Download
memory/1560-32-0x0000000006040000-0x000000000604A000-memory.dmp

Filesize
40KB

Download
memory/1560-36-0x0000000074570000-0x0000000074D20000-memory.dmp

Filesize
7.7MB

Download
memory/3492-22-0x0000000074570000-0x0000000074D20000-memory.dmp

Filesize
7.7MB

Download
memory/3492-21-0x0000000074570000-0x0000000074D20000-memory.dmp

Filesize
7.7MB

Download
memory/3492-33-0x0000000074570000-0x0000000074D20000-memory.dmp

Filesize
7.7MB

Download
memory/3492-35-0x0000000074570000-0x0000000074D20000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads