nanocore | 953d5ceb163cd52ce049e4f120a30e60464144a312d892abf81f03fbc75b9936

General

Target

953d5ceb163cd52ce049e4f120a30e60464144a312d892abf81f03fbc75b9936.exe
Size

415KB
MD5

ea1cf232a4bad711276174692234aab2
SHA1

fba44c2496392a43c7ca77ac67ef1d83aae7b695
SHA256

953d5ceb163cd52ce049e4f120a30e60464144a312d892abf81f03fbc75b9936
SHA512

8a982c16646427a93488a20bccf90b7b71dac284ad69c4369932755291288ea65a29069c25bcb4536692a2916631ad81cccaddc6c06971a40f5336edbd1316da
SSDEEP

6144:ITNE3ZRrnaBVlvphVxmP+6CiejgcME1cwYfU+va+RU7g:ITNYrnE3bm/CiejewY5v/

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	953d5ceb163cd52ce049e4f120a30e60464144a312d892abf81f03fbc75b9936.exe

Executes dropped EXE 1 IoCs

pid	Process
4084	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-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\c5e4gxfvd4v = "C:\\Users\\Admin\\AppData\\Roaming\\c5e4gxfvd4v\\ximo2ubzn1i.exe"	953d5ceb163cd52ce049e4f120a30e60464144a312d892abf81f03fbc75b9936.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 4084 set thread context of 3356	4084	ximo2ubzn1i.exe	87

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	953d5ceb163cd52ce049e4f120a30e60464144a312d892abf81f03fbc75b9936.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
3356	regasm.exe
3356	regasm.exe
3356	regasm.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3356	regasm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3356	regasm.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1736 wrote to memory of 4084	1736	953d5ceb163cd52ce049e4f120a30e60464144a312d892abf81f03fbc75b9936.exe	86
PID 1736 wrote to memory of 4084	1736	953d5ceb163cd52ce049e4f120a30e60464144a312d892abf81f03fbc75b9936.exe	86
PID 1736 wrote to memory of 4084	1736	953d5ceb163cd52ce049e4f120a30e60464144a312d892abf81f03fbc75b9936.exe	86
PID 4084 wrote to memory of 3356	4084	ximo2ubzn1i.exe	87
PID 4084 wrote to memory of 3356	4084	ximo2ubzn1i.exe	87
PID 4084 wrote to memory of 3356	4084	ximo2ubzn1i.exe	87
PID 4084 wrote to memory of 3356	4084	ximo2ubzn1i.exe	87
PID 4084 wrote to memory of 3356	4084	ximo2ubzn1i.exe	87
PID 4084 wrote to memory of 3356	4084	ximo2ubzn1i.exe	87
PID 4084 wrote to memory of 3356	4084	ximo2ubzn1i.exe	87
PID 4084 wrote to memory of 3356	4084	ximo2ubzn1i.exe	87

C:\Users\Admin\AppData\Local\Temp\953d5ceb163cd52ce049e4f120a30e60464144a312d892abf81f03fbc75b9936.exe
"C:\Users\Admin\AppData\Local\Temp\953d5ceb163cd52ce049e4f120a30e60464144a312d892abf81f03fbc75b9936.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1736
- 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:4084
- - 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:3356

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
415KB

MD5
f22047862b928ab308717e1b276c7f14

SHA1
c87619cdccca91508dd5f1887d9acb14b34e3492

SHA256
0b4bcd24af14ba5148a4392705e72d5dbfc4fd584b1786d87219cfbae06eb9c7

SHA512
46e0ba7ccbada0b4ab5dc8a6d73aaa4ed706d577e2f5a114d9bd66df149683d4deefe3ae1e4b6c12b71805f7dd1750713ae50677a87eb96822ae19018f5e6c16

Download Submit
memory/1736-0-0x000000007533E000-0x000000007533F000-memory.dmp

Filesize
4KB

Download
memory/1736-1-0x00000000002C0000-0x000000000032E000-memory.dmp

Filesize
440KB

Download
memory/1736-2-0x0000000005120000-0x00000000056C4000-memory.dmp

Filesize
5.6MB

Download
memory/1736-3-0x0000000004C10000-0x0000000004CA2000-memory.dmp

Filesize
584KB

Download
memory/1736-4-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/1736-5-0x0000000004BF0000-0x0000000004BFA000-memory.dmp

Filesize
40KB

Download
memory/1736-6-0x00000000050C0000-0x00000000050FC000-memory.dmp

Filesize
240KB

Download
memory/1736-20-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/3356-28-0x00000000059E0000-0x0000000005A7C000-memory.dmp

Filesize
624KB

Download
memory/3356-23-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3356-25-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3356-24-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3356-27-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/3356-30-0x00000000059D0000-0x00000000059DA000-memory.dmp

Filesize
40KB

Download
memory/3356-31-0x0000000005B40000-0x0000000005B5E000-memory.dmp

Filesize
120KB

Download
memory/3356-32-0x0000000006860000-0x000000000686A000-memory.dmp

Filesize
40KB

Download
memory/3356-36-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/4084-22-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/4084-21-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/4084-33-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/4084-35-0x0000000075330000-0x0000000075AE0000-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