nanocore | 1960af0490edb6211dd26430ef1c375dc708a25cff2bf9792b7fd2760184eb87

General

Target

1960af0490edb6211dd26430ef1c375dc708a25cff2bf9792b7fd2760184eb87N.exe
Size

416KB
MD5

cb0d2b0ef0a02a1c2e18430edb08c5b0
SHA1

9b809bd44ba216096f8b1ea43a391044454129f1
SHA256

1960af0490edb6211dd26430ef1c375dc708a25cff2bf9792b7fd2760184eb87
SHA512

88ca7b2f63ff412a97614a2812387bb162350b2edc9e9869bfc27172629b88e5cd5dd1c3ceb05f0f0827c37422a189564ce8cacf79519c202b7ecf56a6f6cbb2
SSDEEP

6144:ITNE3ZRrnaBVlvphVxmP+6CiejgcME1cwYfU+va+RU7o:ITNYrnE3bm/CiejewY5vb

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:

1960af0490edb6211dd26430ef1c375dc708a25cff2bf9792b7fd2760184eb87N.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	1960af0490edb6211dd26430ef1c375dc708a25cff2bf9792b7fd2760184eb87N.exe

Executes dropped EXE 1 IoCs

Processes:

ximo2ubzn1i.exe

pid process

1972 ximo2ubzn1i.exe

pid	process
1972	ximo2ubzn1i.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

1960af0490edb6211dd26430ef1c375dc708a25cff2bf9792b7fd2760184eb87N.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\c5e4gxfvd4v = "C:\\Users\\Admin\\AppData\\Roaming\\c5e4gxfvd4v\\ximo2ubzn1i.exe"	1960af0490edb6211dd26430ef1c375dc708a25cff2bf9792b7fd2760184eb87N.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 1972 set thread context of 1896 1972 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 1972 set thread context of 1896	1972	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:

1960af0490edb6211dd26430ef1c375dc708a25cff2bf9792b7fd2760184eb87N.exeximo2ubzn1i.exeregasm.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1960af0490edb6211dd26430ef1c375dc708a25cff2bf9792b7fd2760184eb87N.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

1896 regasm.exe
1896 regasm.exe
1896 regasm.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

regasm.exe

pid process

1896 regasm.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

regasm.exe

description pid process

Token: SeDebugPrivilege 1896 regasm.exe

pid	process
1896	regasm.exe
1896	regasm.exe
1896	regasm.exe

pid	process
1896	regasm.exe

description	pid	process
Token: SeDebugPrivilege	1896	regasm.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

1960af0490edb6211dd26430ef1c375dc708a25cff2bf9792b7fd2760184eb87N.exeximo2ubzn1i.exe

description	pid	process	target process
PID 2512 wrote to memory of 1972	2512	1960af0490edb6211dd26430ef1c375dc708a25cff2bf9792b7fd2760184eb87N.exe	ximo2ubzn1i.exe
PID 2512 wrote to memory of 1972	2512	1960af0490edb6211dd26430ef1c375dc708a25cff2bf9792b7fd2760184eb87N.exe	ximo2ubzn1i.exe
PID 2512 wrote to memory of 1972	2512	1960af0490edb6211dd26430ef1c375dc708a25cff2bf9792b7fd2760184eb87N.exe	ximo2ubzn1i.exe
PID 1972 wrote to memory of 1896	1972	ximo2ubzn1i.exe	regasm.exe
PID 1972 wrote to memory of 1896	1972	ximo2ubzn1i.exe	regasm.exe
PID 1972 wrote to memory of 1896	1972	ximo2ubzn1i.exe	regasm.exe
PID 1972 wrote to memory of 1896	1972	ximo2ubzn1i.exe	regasm.exe
PID 1972 wrote to memory of 1896	1972	ximo2ubzn1i.exe	regasm.exe
PID 1972 wrote to memory of 1896	1972	ximo2ubzn1i.exe	regasm.exe
PID 1972 wrote to memory of 1896	1972	ximo2ubzn1i.exe	regasm.exe
PID 1972 wrote to memory of 1896	1972	ximo2ubzn1i.exe	regasm.exe

C:\Users\Admin\AppData\Local\Temp\1960af0490edb6211dd26430ef1c375dc708a25cff2bf9792b7fd2760184eb87N.exe
"C:\Users\Admin\AppData\Local\Temp\1960af0490edb6211dd26430ef1c375dc708a25cff2bf9792b7fd2760184eb87N.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2512
- 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:1972
- - 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:1896

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
416KB

MD5
ebc00fe44641499d915776523b15c578

SHA1
436069fbdef0b33b1e1f4da85ee93a5a80e1e3d7

SHA256
0a46e4d8b4a511543076b0b62175354c37f4df55b6e5729c64ed860240ef2c35

SHA512
e660a0840a7d02cc34b3c023211fbf72b027fd9a147a83dc99db17f666e0265745c709e01d4cf69dee384524235c20d65877846f2238c25720d5554f7eade3b2

Download Submit
memory/1896-25-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1896-36-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/1896-32-0x00000000059B0000-0x00000000059BA000-memory.dmp

Filesize
40KB

Download
memory/1896-31-0x00000000056D0000-0x00000000056EE000-memory.dmp

Filesize
120KB

Download
memory/1896-30-0x00000000056C0000-0x00000000056CA000-memory.dmp

Filesize
40KB

Download
memory/1896-28-0x00000000056F0000-0x000000000578C000-memory.dmp

Filesize
624KB

Download
memory/1896-27-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/1896-24-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1896-23-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1972-22-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/1972-21-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/1972-33-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/1972-35-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/2512-0-0x000000007464E000-0x000000007464F000-memory.dmp

Filesize
4KB

Download
memory/2512-20-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/2512-6-0x00000000050D0000-0x000000000510C000-memory.dmp

Filesize
240KB

Download
memory/2512-5-0x0000000004B10000-0x0000000004B1A000-memory.dmp

Filesize
40KB

Download
memory/2512-4-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/2512-3-0x0000000004BA0000-0x0000000004C32000-memory.dmp

Filesize
584KB

Download
memory/2512-2-0x0000000005150000-0x00000000056F4000-memory.dmp

Filesize
5.6MB

Download
memory/2512-1-0x00000000000B0000-0x000000000011E000-memory.dmp

Filesize
440KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads