nanocore | 0dd48f6fcbd2eb472e12feea3ed7a10a7ccb5b0c6e4904605d16cd1a7f4c45f3

General

Target

0dd48f6fcbd2eb472e12feea3ed7a10a7ccb5b0c6e4904605d16cd1a7f4c45f3.exe
Size

414KB
MD5

735fe2ed9039b220b9b48738577d2569
SHA1

14ae029b9652cb627154def16b5d15b5fb1164f3
SHA256

0dd48f6fcbd2eb472e12feea3ed7a10a7ccb5b0c6e4904605d16cd1a7f4c45f3
SHA512

21553bee64f57a68160e01ddf94304582be05daeab7fbc6a58a7f48caae98827e1454fff6e581039bb44b65ec59be30d8958256ad6373ab22a003fa9ddc6ef3e
SSDEEP

6144:ITNE3ZRrnaBVlvphVxmP+6CiejgcME1cwYfU+va+RUM:ITNYrnE3bm/CiejewY5vz

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

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:

0dd48f6fcbd2eb472e12feea3ed7a10a7ccb5b0c6e4904605d16cd1a7f4c45f3.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	0dd48f6fcbd2eb472e12feea3ed7a10a7ccb5b0c6e4904605d16cd1a7f4c45f3.exe

Executes dropped EXE 1 IoCs

Processes:

ximo2ubzn1i.exe

pid	Process
3980	ximo2ubzn1i.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

0dd48f6fcbd2eb472e12feea3ed7a10a7ccb5b0c6e4904605d16cd1a7f4c45f3.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\c5e4gxfvd4v = "C:\\Users\\Admin\\AppData\\Roaming\\c5e4gxfvd4v\\ximo2ubzn1i.exe"	0dd48f6fcbd2eb472e12feea3ed7a10a7ccb5b0c6e4904605d16cd1a7f4c45f3.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	procid_target
PID 3980 set thread context of 4496	3980	ximo2ubzn1i.exe	92

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

Processes:

ximo2ubzn1i.exeregasm.exe0dd48f6fcbd2eb472e12feea3ed7a10a7ccb5b0c6e4904605d16cd1a7f4c45f3.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ximo2ubzn1i.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regasm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0dd48f6fcbd2eb472e12feea3ed7a10a7ccb5b0c6e4904605d16cd1a7f4c45f3.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

regasm.exe

pid	Process
4496	regasm.exe
4496	regasm.exe
4496	regasm.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

regasm.exe

pid	Process
4496	regasm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

regasm.exe

description	pid	Process
Token: SeDebugPrivilege	4496	regasm.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

0dd48f6fcbd2eb472e12feea3ed7a10a7ccb5b0c6e4904605d16cd1a7f4c45f3.exeximo2ubzn1i.exe

description	pid	Process	procid_target
PID 1312 wrote to memory of 3980	1312	0dd48f6fcbd2eb472e12feea3ed7a10a7ccb5b0c6e4904605d16cd1a7f4c45f3.exe	89
PID 1312 wrote to memory of 3980	1312	0dd48f6fcbd2eb472e12feea3ed7a10a7ccb5b0c6e4904605d16cd1a7f4c45f3.exe	89
PID 1312 wrote to memory of 3980	1312	0dd48f6fcbd2eb472e12feea3ed7a10a7ccb5b0c6e4904605d16cd1a7f4c45f3.exe	89
PID 3980 wrote to memory of 4496	3980	ximo2ubzn1i.exe	92
PID 3980 wrote to memory of 4496	3980	ximo2ubzn1i.exe	92
PID 3980 wrote to memory of 4496	3980	ximo2ubzn1i.exe	92
PID 3980 wrote to memory of 4496	3980	ximo2ubzn1i.exe	92
PID 3980 wrote to memory of 4496	3980	ximo2ubzn1i.exe	92
PID 3980 wrote to memory of 4496	3980	ximo2ubzn1i.exe	92
PID 3980 wrote to memory of 4496	3980	ximo2ubzn1i.exe	92
PID 3980 wrote to memory of 4496	3980	ximo2ubzn1i.exe	92

C:\Users\Admin\AppData\Local\Temp\0dd48f6fcbd2eb472e12feea3ed7a10a7ccb5b0c6e4904605d16cd1a7f4c45f3.exe
"C:\Users\Admin\AppData\Local\Temp\0dd48f6fcbd2eb472e12feea3ed7a10a7ccb5b0c6e4904605d16cd1a7f4c45f3.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1312
- 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:3980
- - 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:4496

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
414KB

MD5
1e32f68f2bdca6b3a2d18f8dcb86b30a

SHA1
69d9796168613ce01889fb60aa97ae2243dfba87

SHA256
a35dafbe0cb4bf6ba4ddb5826e6e63dca2ca7a0f43b7ea9b59291dc8fb1d21e9

SHA512
72743037b23391ff6f012af980cce083e02050960ae39559aadac5abdc14a30e3f99b06554247f87a44b60daca0b1d72b342188788eec54b06b2b9cee3c11fb5

Download Submit
memory/1312-6-0x0000000005B40000-0x0000000005B7C000-memory.dmp

Filesize
240KB

Download
memory/1312-2-0x0000000005DA0000-0x0000000006344000-memory.dmp

Filesize
5.6MB

Download
memory/1312-3-0x0000000005890000-0x0000000005922000-memory.dmp

Filesize
584KB

Download
memory/1312-4-0x0000000005A30000-0x0000000005A3A000-memory.dmp

Filesize
40KB

Download
memory/1312-5-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/1312-32-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/1312-1-0x0000000000E20000-0x0000000000E8E000-memory.dmp

Filesize
440KB

Download
memory/1312-0-0x000000007521E000-0x000000007521F000-memory.dmp

Filesize
4KB

Download
memory/3980-20-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/3980-21-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/3980-35-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/3980-33-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/4496-22-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4496-27-0x0000000005680000-0x000000000571C000-memory.dmp

Filesize
624KB

Download
memory/4496-29-0x00000000055C0000-0x00000000055CA000-memory.dmp

Filesize
40KB

Download
memory/4496-30-0x0000000005B70000-0x0000000005B8E000-memory.dmp

Filesize
120KB

Download
memory/4496-31-0x0000000006530000-0x000000000653A000-memory.dmp

Filesize
40KB

Download
memory/4496-26-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/4496-24-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4496-23-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4496-36-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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