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

Executes dropped EXE 1 IoCs

Processes:

ximo2ubzn1i.exe

pid	Process
2864	ximo2ubzn1i.exe

Loads dropped DLL 1 IoCs

Processes:

cc6ddb80d9992ecaac721d048be57c55c60b0c5176ff5c55d67d77e7ea78b47b.exe

pid	Process
2924	cc6ddb80d9992ecaac721d048be57c55c60b0c5176ff5c55d67d77e7ea78b47b.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-1-5-21-1488793075-819845221-1497111674-1000\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 2864 set thread context of 2352	2864	ximo2ubzn1i.exe	31

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
2352	regasm.exe
2352	regasm.exe
2352	regasm.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

regasm.exe

pid	Process
2352	regasm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

regasm.exe

description	pid	Process
Token: SeDebugPrivilege	2352	regasm.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

cc6ddb80d9992ecaac721d048be57c55c60b0c5176ff5c55d67d77e7ea78b47b.exeximo2ubzn1i.exe

description	pid	Process	procid_target
PID 2924 wrote to memory of 2864	2924	cc6ddb80d9992ecaac721d048be57c55c60b0c5176ff5c55d67d77e7ea78b47b.exe	30
PID 2924 wrote to memory of 2864	2924	cc6ddb80d9992ecaac721d048be57c55c60b0c5176ff5c55d67d77e7ea78b47b.exe	30
PID 2924 wrote to memory of 2864	2924	cc6ddb80d9992ecaac721d048be57c55c60b0c5176ff5c55d67d77e7ea78b47b.exe	30
PID 2924 wrote to memory of 2864	2924	cc6ddb80d9992ecaac721d048be57c55c60b0c5176ff5c55d67d77e7ea78b47b.exe	30
PID 2864 wrote to memory of 2352	2864	ximo2ubzn1i.exe	31
PID 2864 wrote to memory of 2352	2864	ximo2ubzn1i.exe	31
PID 2864 wrote to memory of 2352	2864	ximo2ubzn1i.exe	31
PID 2864 wrote to memory of 2352	2864	ximo2ubzn1i.exe	31
PID 2864 wrote to memory of 2352	2864	ximo2ubzn1i.exe	31
PID 2864 wrote to memory of 2352	2864	ximo2ubzn1i.exe	31
PID 2864 wrote to memory of 2352	2864	ximo2ubzn1i.exe	31
PID 2864 wrote to memory of 2352	2864	ximo2ubzn1i.exe	31
PID 2864 wrote to memory of 2352	2864	ximo2ubzn1i.exe	31
PID 2864 wrote to memory of 2352	2864	ximo2ubzn1i.exe	31
PID 2864 wrote to memory of 2352	2864	ximo2ubzn1i.exe	31
PID 2864 wrote to memory of 2352	2864	ximo2ubzn1i.exe	31

C:\Users\Admin\AppData\Local\Temp\cc6ddb80d9992ecaac721d048be57c55c60b0c5176ff5c55d67d77e7ea78b47b.exe
"C:\Users\Admin\AppData\Local\Temp\cc6ddb80d9992ecaac721d048be57c55c60b0c5176ff5c55d67d77e7ea78b47b.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2924
- 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:2864
- - 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:2352

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
414KB

MD5
719a77e6bdb363d88c5fbd711b8fff31

SHA1
e510f31c7f6737c28d822343fe1860c9c2bb94e3

SHA256
a9f48fc7c291643ba3778153d2122e166b26fd25a7c7fbd920820aef1a80f366

SHA512
8e1017c0a1d983b7e4879a101c2e9bc7954bc7d87f71220cf212e6ebb8e59a0eb61abde2032c174f6bc4e49a2705cef0faec57c263c869e7b1b05c2bc907b460

Download Submit
memory/2352-20-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2352-23-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2352-31-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2352-26-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2352-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2352-37-0x0000000000370000-0x000000000037A000-memory.dmp

Filesize
40KB

Download
memory/2352-36-0x0000000000480000-0x000000000049E000-memory.dmp

Filesize
120KB

Download
memory/2352-35-0x0000000000360000-0x000000000036A000-memory.dmp

Filesize
40KB

Download
memory/2352-16-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2352-33-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2352-18-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2864-15-0x0000000074B00000-0x00000000751EE000-memory.dmp

Filesize
6.9MB

Download
memory/2864-14-0x0000000074B00000-0x00000000751EE000-memory.dmp

Filesize
6.9MB

Download
memory/2864-13-0x0000000000D90000-0x0000000000DFE000-memory.dmp

Filesize
440KB

Download
memory/2864-38-0x0000000074B00000-0x00000000751EE000-memory.dmp

Filesize
6.9MB

Download
memory/2864-39-0x0000000074B00000-0x00000000751EE000-memory.dmp

Filesize
6.9MB

Download
memory/2924-1-0x0000000000270000-0x00000000002DE000-memory.dmp

Filesize
440KB

Download
memory/2924-12-0x0000000074B00000-0x00000000751EE000-memory.dmp

Filesize
6.9MB

Download
memory/2924-0-0x0000000074B0E000-0x0000000074B0F000-memory.dmp

Filesize
4KB

Download
memory/2924-3-0x00000000004E0000-0x000000000051C000-memory.dmp

Filesize
240KB

Download
memory/2924-2-0x0000000074B00000-0x00000000751EE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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