nanocore | e6e5e2e51946431f4bc226f09366679cd5ca602cc17649929e05d2ec746b9090

General

Target

e6e5e2e51946431f4bc226f09366679cd5ca602cc17649929e05d2ec746b9090N.exe
Size

1.5MB
MD5

6041d81a9d6a5d39ebe4f5d86e14eb50
SHA1

3e09e72cd202daa03e1c06172ebeab9b0657429a
SHA256

e6e5e2e51946431f4bc226f09366679cd5ca602cc17649929e05d2ec746b9090
SHA512

b5d2aa718639d181e2c49b1dab66df5581bf03d6c0ecba490eca95637a3f6ec26f69ecbb5a0f9b2de298fb573285ec8c83988999472b77fb6d99ac50f0674637
SSDEEP

24576:oAHnh+eWsN3skA4RV1Hom2KXMmHaTgvrclOo3bksnkKxgDS2d5G:vh+ZkldoPK8YaTwKeDSwG

Score

10^/10

nanocore discovery evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

megida.hopto.org:8822

Mutex

6b8bf536-118c-4c9a-96fa-55d12fbaaa52

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2019-02-11T09:59:21.529353836Z
bypass_user_account_control
false
bypass_user_account_control_data
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
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
8822
default_group
BestInfo
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
6b8bf536-118c-4c9a-96fa-55d12fbaaa52
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
megida.hopto.org
primary_dns_server
8.8.8.8
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

Drops startup file 1 IoCs

Processes:

e6e5e2e51946431f4bc226f09366679cd5ca602cc17649929e05d2ec746b9090N.exe

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\AzSqlExt.url	e6e5e2e51946431f4bc226f09366679cd5ca602cc17649929e05d2ec746b9090N.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:

e6e5e2e51946431f4bc226f09366679cd5ca602cc17649929e05d2ec746b9090N.exe

description	pid	Process	procid_target
PID 4536 set thread context of 2412	4536	e6e5e2e51946431f4bc226f09366679cd5ca602cc17649929e05d2ec746b9090N.exe	104

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:

e6e5e2e51946431f4bc226f09366679cd5ca602cc17649929e05d2ec746b9090N.exeRegAsm.exeschtasks.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e6e5e2e51946431f4bc226f09366679cd5ca602cc17649929e05d2ec746b9090N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

Processes:

schtasks.exe

pid	Process
4592	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

e6e5e2e51946431f4bc226f09366679cd5ca602cc17649929e05d2ec746b9090N.exeRegAsm.exe

pid	Process
4536	e6e5e2e51946431f4bc226f09366679cd5ca602cc17649929e05d2ec746b9090N.exe
4536	e6e5e2e51946431f4bc226f09366679cd5ca602cc17649929e05d2ec746b9090N.exe
4536	e6e5e2e51946431f4bc226f09366679cd5ca602cc17649929e05d2ec746b9090N.exe
4536	e6e5e2e51946431f4bc226f09366679cd5ca602cc17649929e05d2ec746b9090N.exe
2412	RegAsm.exe
2412	RegAsm.exe
2412	RegAsm.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RegAsm.exe

pid	Process
2412	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegAsm.exe

description	pid	Process
Token: SeDebugPrivilege	2412	RegAsm.exe

Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

e6e5e2e51946431f4bc226f09366679cd5ca602cc17649929e05d2ec746b9090N.exe

pid	Process
4536	e6e5e2e51946431f4bc226f09366679cd5ca602cc17649929e05d2ec746b9090N.exe
4536	e6e5e2e51946431f4bc226f09366679cd5ca602cc17649929e05d2ec746b9090N.exe
4536	e6e5e2e51946431f4bc226f09366679cd5ca602cc17649929e05d2ec746b9090N.exe

Suspicious use of SendNotifyMessage 3 IoCs

Processes:

e6e5e2e51946431f4bc226f09366679cd5ca602cc17649929e05d2ec746b9090N.exe

pid	Process
4536	e6e5e2e51946431f4bc226f09366679cd5ca602cc17649929e05d2ec746b9090N.exe
4536	e6e5e2e51946431f4bc226f09366679cd5ca602cc17649929e05d2ec746b9090N.exe
4536	e6e5e2e51946431f4bc226f09366679cd5ca602cc17649929e05d2ec746b9090N.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

e6e5e2e51946431f4bc226f09366679cd5ca602cc17649929e05d2ec746b9090N.exeRegAsm.exe

description	pid	Process	procid_target
PID 4536 wrote to memory of 2412	4536	e6e5e2e51946431f4bc226f09366679cd5ca602cc17649929e05d2ec746b9090N.exe	104
PID 4536 wrote to memory of 2412	4536	e6e5e2e51946431f4bc226f09366679cd5ca602cc17649929e05d2ec746b9090N.exe	104
PID 4536 wrote to memory of 2412	4536	e6e5e2e51946431f4bc226f09366679cd5ca602cc17649929e05d2ec746b9090N.exe	104
PID 4536 wrote to memory of 2412	4536	e6e5e2e51946431f4bc226f09366679cd5ca602cc17649929e05d2ec746b9090N.exe	104
PID 4536 wrote to memory of 2412	4536	e6e5e2e51946431f4bc226f09366679cd5ca602cc17649929e05d2ec746b9090N.exe	104
PID 2412 wrote to memory of 4592	2412	RegAsm.exe	105
PID 2412 wrote to memory of 4592	2412	RegAsm.exe	105
PID 2412 wrote to memory of 4592	2412	RegAsm.exe	105

C:\Users\Admin\AppData\Local\Temp\e6e5e2e51946431f4bc226f09366679cd5ca602cc17649929e05d2ec746b9090N.exe
"C:\Users\Admin\AppData\Local\Temp\e6e5e2e51946431f4bc226f09366679cd5ca602cc17649929e05d2ec746b9090N.exe"
1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4536
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2412
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "ARP Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmp6210.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4592

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

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\Local\Temp\tmp6210.tmp

Filesize
1KB

MD5
c6f0625bf4c1cdfb699980c9243d3b22

SHA1
43de1fe580576935516327f17b5da0c656c72851

SHA256
8dfc4e937f0b2374e3ced25fce344b0731cf44b8854625b318d50ece2da8f576

SHA512
9ef2dbd4142ad0e1e6006929376ecb8011e7ffc801ee2101e906787d70325ad82752df65839de9972391fa52e1e5974ec1a5c7465a88aa56257633ebb7d70969

Download Submit
memory/2412-2-0x00000000007A0000-0x00000000007D8000-memory.dmp

Filesize
224KB

Download
memory/2412-6-0x00000000741B2000-0x00000000741B3000-memory.dmp

Filesize
4KB

Download
memory/2412-7-0x00000000741B0000-0x0000000074761000-memory.dmp

Filesize
5.7MB

Download
memory/2412-8-0x00000000741B0000-0x0000000074761000-memory.dmp

Filesize
5.7MB

Download
memory/2412-17-0x00000000741B2000-0x00000000741B3000-memory.dmp

Filesize
4KB

Download
memory/2412-18-0x00000000741B0000-0x0000000074761000-memory.dmp

Filesize
5.7MB

Download
memory/2412-19-0x00000000741B0000-0x0000000074761000-memory.dmp

Filesize
5.7MB

Download
memory/4536-0-0x0000000004B50000-0x0000000004B51000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads