nanocore | cc6ddb80d9992ecaac721d048be57c55c60b0c5176ff5c55d67d77e7ea78b47b

General

Target

cc6ddb80d9992ecaac721d048be57c55c60b0c5176ff5c55d67d77e7ea78b47b.exe
Size

414KB
MD5

83e3e597a12aaf9632b9df7ed8a80162
SHA1

4203da2cb44001e85cd3dec9a44540e183fde913
SHA256

cc6ddb80d9992ecaac721d048be57c55c60b0c5176ff5c55d67d77e7ea78b47b
SHA512

43329908afe3a7cb1babd5f1184bec8c610ceba0b7cde76e3109c60c205a5e93856aa7cbb701c285d144d6b60dda5d4e5e1bf427bd7e82b3e12adbfe928a4ac0
SSDEEP

6144:ITNE3ZRrnaBVlvphVxmP+6CiejgcME1cwYfU+va+RUM:ITNYrnE3bm/CiejewY5vn

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:

cc6ddb80d9992ecaac721d048be57c55c60b0c5176ff5c55d67d77e7ea78b47b.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	cc6ddb80d9992ecaac721d048be57c55c60b0c5176ff5c55d67d77e7ea78b47b.exe

Executes dropped EXE 1 IoCs

Processes:

ximo2ubzn1i.exe

pid	Process
1320	ximo2ubzn1i.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

cc6ddb80d9992ecaac721d048be57c55c60b0c5176ff5c55d67d77e7ea78b47b.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\c5e4gxfvd4v = "C:\\Users\\Admin\\AppData\\Roaming\\c5e4gxfvd4v\\ximo2ubzn1i.exe"	cc6ddb80d9992ecaac721d048be57c55c60b0c5176ff5c55d67d77e7ea78b47b.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 1320 set thread context of 3164	1320	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

Processes:

cc6ddb80d9992ecaac721d048be57c55c60b0c5176ff5c55d67d77e7ea78b47b.exeximo2ubzn1i.exeregasm.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cc6ddb80d9992ecaac721d048be57c55c60b0c5176ff5c55d67d77e7ea78b47b.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
3164	regasm.exe
3164	regasm.exe
3164	regasm.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

regasm.exe

pid	Process
3164	regasm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

regasm.exe

description	pid	Process
Token: SeDebugPrivilege	3164	regasm.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

cc6ddb80d9992ecaac721d048be57c55c60b0c5176ff5c55d67d77e7ea78b47b.exeximo2ubzn1i.exe

description	pid	Process	procid_target
PID 4284 wrote to memory of 1320	4284	cc6ddb80d9992ecaac721d048be57c55c60b0c5176ff5c55d67d77e7ea78b47b.exe	86
PID 4284 wrote to memory of 1320	4284	cc6ddb80d9992ecaac721d048be57c55c60b0c5176ff5c55d67d77e7ea78b47b.exe	86
PID 4284 wrote to memory of 1320	4284	cc6ddb80d9992ecaac721d048be57c55c60b0c5176ff5c55d67d77e7ea78b47b.exe	86
PID 1320 wrote to memory of 3164	1320	ximo2ubzn1i.exe	87
PID 1320 wrote to memory of 3164	1320	ximo2ubzn1i.exe	87
PID 1320 wrote to memory of 3164	1320	ximo2ubzn1i.exe	87
PID 1320 wrote to memory of 3164	1320	ximo2ubzn1i.exe	87
PID 1320 wrote to memory of 3164	1320	ximo2ubzn1i.exe	87
PID 1320 wrote to memory of 3164	1320	ximo2ubzn1i.exe	87
PID 1320 wrote to memory of 3164	1320	ximo2ubzn1i.exe	87
PID 1320 wrote to memory of 3164	1320	ximo2ubzn1i.exe	87

C:\Users\Admin\AppData\Local\Temp\cc6ddb80d9992ecaac721d048be57c55c60b0c5176ff5c55d67d77e7ea78b47b.exe
"C:\Users\Admin\AppData\Local\Temp\cc6ddb80d9992ecaac721d048be57c55c60b0c5176ff5c55d67d77e7ea78b47b.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4284
- 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:1320
- - 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:3164

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
c5df380289c85697329cc0b1272d01db

SHA1
b53d29a6105a11b898e6f73a471b0b2e2bebf131

SHA256
16bcb30d8f4cec9d36f311718b0244510d25ad5b026202c1172b175054ed8df9

SHA512
bd705e12476ec495e25ca1f96380bcbd01d2d719ef5420cf098199ea0126b60d478801597d6093854155d36912db3cf719311e9dbef3e1bf0d6a98895f71a6f2

Download Submit
memory/1320-35-0x0000000074650000-0x0000000074E00000-memory.dmp

Filesize
7.7MB

Download
memory/1320-33-0x0000000074650000-0x0000000074E00000-memory.dmp

Filesize
7.7MB

Download
memory/1320-22-0x0000000074650000-0x0000000074E00000-memory.dmp

Filesize
7.7MB

Download
memory/1320-21-0x0000000074650000-0x0000000074E00000-memory.dmp

Filesize
7.7MB

Download
memory/3164-28-0x00000000050D0000-0x000000000516C000-memory.dmp

Filesize
624KB

Download
memory/3164-32-0x00000000055B0000-0x00000000055BA000-memory.dmp

Filesize
40KB

Download
memory/3164-36-0x0000000074650000-0x0000000074E00000-memory.dmp

Filesize
7.7MB

Download
memory/3164-31-0x00000000052C0000-0x00000000052DE000-memory.dmp

Filesize
120KB

Download
memory/3164-30-0x0000000005010000-0x000000000501A000-memory.dmp

Filesize
40KB

Download
memory/3164-27-0x0000000074650000-0x0000000074E00000-memory.dmp

Filesize
7.7MB

Download
memory/3164-23-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3164-25-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3164-24-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4284-3-0x00000000055E0000-0x0000000005672000-memory.dmp

Filesize
584KB

Download
memory/4284-0-0x000000007465E000-0x000000007465F000-memory.dmp

Filesize
4KB

Download
memory/4284-4-0x0000000074650000-0x0000000074E00000-memory.dmp

Filesize
7.7MB

Download
memory/4284-20-0x0000000074650000-0x0000000074E00000-memory.dmp

Filesize
7.7MB

Download
memory/4284-6-0x0000000005820000-0x000000000585C000-memory.dmp

Filesize
240KB

Download
memory/4284-2-0x0000000005B90000-0x0000000006134000-memory.dmp

Filesize
5.6MB

Download
memory/4284-1-0x0000000000B00000-0x0000000000B6E000-memory.dmp

Filesize
440KB

Download
memory/4284-5-0x0000000005570000-0x000000000557A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads