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
Executes dropped EXE 1 IoCs

Processes:

ximo2ubzn1i.exe

pid process

2800 ximo2ubzn1i.exe
Loads dropped DLL 1 IoCs

Processes:

e9f8fee885f2a262dcd4a874dd2cb724ea584704d182f1759ae2c455c48653e1N.exe

pid process

2060 e9f8fee885f2a262dcd4a874dd2cb724ea584704d182f1759ae2c455c48653e1N.exe

pid	process
2800	ximo2ubzn1i.exe

pid	process
2060	e9f8fee885f2a262dcd4a874dd2cb724ea584704d182f1759ae2c455c48653e1N.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-1-5-21-1846800975-3917212583-2893086201-1000\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 2800 set thread context of 2732 2800 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 2800 set thread context of 2732	2800	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

2732 regasm.exe
2732 regasm.exe
2732 regasm.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

regasm.exe

pid process

2732 regasm.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

regasm.exe

description pid process

Token: SeDebugPrivilege 2732 regasm.exe

pid	process
2732	regasm.exe
2732	regasm.exe
2732	regasm.exe

pid	process
2732	regasm.exe

description	pid	process
Token: SeDebugPrivilege	2732	regasm.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

e9f8fee885f2a262dcd4a874dd2cb724ea584704d182f1759ae2c455c48653e1N.exeximo2ubzn1i.exe

description	pid	process	target process
PID 2060 wrote to memory of 2800	2060	e9f8fee885f2a262dcd4a874dd2cb724ea584704d182f1759ae2c455c48653e1N.exe	ximo2ubzn1i.exe
PID 2060 wrote to memory of 2800	2060	e9f8fee885f2a262dcd4a874dd2cb724ea584704d182f1759ae2c455c48653e1N.exe	ximo2ubzn1i.exe
PID 2060 wrote to memory of 2800	2060	e9f8fee885f2a262dcd4a874dd2cb724ea584704d182f1759ae2c455c48653e1N.exe	ximo2ubzn1i.exe
PID 2060 wrote to memory of 2800	2060	e9f8fee885f2a262dcd4a874dd2cb724ea584704d182f1759ae2c455c48653e1N.exe	ximo2ubzn1i.exe
PID 2800 wrote to memory of 2732	2800	ximo2ubzn1i.exe	regasm.exe
PID 2800 wrote to memory of 2732	2800	ximo2ubzn1i.exe	regasm.exe
PID 2800 wrote to memory of 2732	2800	ximo2ubzn1i.exe	regasm.exe
PID 2800 wrote to memory of 2732	2800	ximo2ubzn1i.exe	regasm.exe
PID 2800 wrote to memory of 2732	2800	ximo2ubzn1i.exe	regasm.exe
PID 2800 wrote to memory of 2732	2800	ximo2ubzn1i.exe	regasm.exe
PID 2800 wrote to memory of 2732	2800	ximo2ubzn1i.exe	regasm.exe
PID 2800 wrote to memory of 2732	2800	ximo2ubzn1i.exe	regasm.exe
PID 2800 wrote to memory of 2732	2800	ximo2ubzn1i.exe	regasm.exe
PID 2800 wrote to memory of 2732	2800	ximo2ubzn1i.exe	regasm.exe
PID 2800 wrote to memory of 2732	2800	ximo2ubzn1i.exe	regasm.exe
PID 2800 wrote to memory of 2732	2800	ximo2ubzn1i.exe	regasm.exe

C:\Users\Admin\AppData\Local\Temp\e9f8fee885f2a262dcd4a874dd2cb724ea584704d182f1759ae2c455c48653e1N.exe
"C:\Users\Admin\AppData\Local\Temp\e9f8fee885f2a262dcd4a874dd2cb724ea584704d182f1759ae2c455c48653e1N.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2060
- 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:2800
- - 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:2732

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

System Information Discovery

2

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

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

Filesize
416KB

MD5
5e7fb2d6c4d11f75ef1cd1f9c1cb504f

SHA1
b778aae186a03be390ff6834cfeab93048b02294

SHA256
3027a030e17354d9ab60c3c11a1cbda5d82f7b892ab142c4c64788b3e47adf4b

SHA512
a16d12bc0573291fabaf6b80b0185d3dd73192c8a01e77cacfadb1bf26be04eecc40c4ec06574cabe38c7bb6b96d00a741ea6d3ef66628b66054016b3078fca9

Download Submit
memory/2060-15-0x0000000074BC0000-0x00000000752AE000-memory.dmp

Filesize
6.9MB

Download
memory/2060-1-0x0000000000120000-0x000000000018E000-memory.dmp

Filesize
440KB

Download
memory/2060-2-0x0000000074BC0000-0x00000000752AE000-memory.dmp

Filesize
6.9MB

Download
memory/2060-3-0x0000000001F60000-0x0000000001F9C000-memory.dmp

Filesize
240KB

Download
memory/2060-0-0x0000000074BCE000-0x0000000074BCF000-memory.dmp

Filesize
4KB

Download
memory/2732-33-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2732-23-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2732-37-0x0000000000850000-0x000000000085A000-memory.dmp

Filesize
40KB

Download
memory/2732-16-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2732-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2732-18-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2732-20-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2732-36-0x0000000000AA0000-0x0000000000ABE000-memory.dmp

Filesize
120KB

Download
memory/2732-26-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2732-35-0x0000000000840000-0x000000000084A000-memory.dmp

Filesize
40KB

Download
memory/2732-31-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2800-13-0x0000000074BC0000-0x00000000752AE000-memory.dmp

Filesize
6.9MB

Download
memory/2800-12-0x0000000000C40000-0x0000000000CAE000-memory.dmp

Filesize
440KB

Download
memory/2800-14-0x0000000074BC0000-0x00000000752AE000-memory.dmp

Filesize
6.9MB

Download
memory/2800-38-0x0000000074BC0000-0x00000000752AE000-memory.dmp

Filesize
6.9MB

Download
memory/2800-39-0x0000000074BC0000-0x00000000752AE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads