nanocore | 70d75f0f3b96abff1102708b5454b622a2aba1b0738fe0f57362ecea2bf6a04d

General

Target

70d75f0f3b96abff1102708b5454b622a2aba1b0738fe0f57362ecea2bf6a04dN.exe
Size

413KB
MD5

a39d23eb09d78a27fa593c0a133e72b0
SHA1

a2204e577cbff135f4970226a29d495572d1f491
SHA256

70d75f0f3b96abff1102708b5454b622a2aba1b0738fe0f57362ecea2bf6a04d
SHA512

fda5a430140cd355b1dfa93fd0a9aa151db014a44aa6b244e39c5e743924bb697e6782c901c702e84ad93c8ac70ef866ca458e2ac0533a340e64c82356e1628d
SSDEEP

6144:ITNE3ZRrnaBVlvphVxmP+6CiejgcME1cwYfU+va+RUf:ITNYrnE3bm/CiejewY5vQ

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
2176	ximo2ubzn1i.exe

Loads dropped DLL 1 IoCs

Processes:

70d75f0f3b96abff1102708b5454b622a2aba1b0738fe0f57362ecea2bf6a04dN.exe

pid	Process
2508	70d75f0f3b96abff1102708b5454b622a2aba1b0738fe0f57362ecea2bf6a04dN.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

70d75f0f3b96abff1102708b5454b622a2aba1b0738fe0f57362ecea2bf6a04dN.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\c5e4gxfvd4v = "C:\\Users\\Admin\\AppData\\Roaming\\c5e4gxfvd4v\\ximo2ubzn1i.exe"	70d75f0f3b96abff1102708b5454b622a2aba1b0738fe0f57362ecea2bf6a04dN.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 2176 set thread context of 1296	2176	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:

70d75f0f3b96abff1102708b5454b622a2aba1b0738fe0f57362ecea2bf6a04dN.exeximo2ubzn1i.exeregasm.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	70d75f0f3b96abff1102708b5454b622a2aba1b0738fe0f57362ecea2bf6a04dN.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
1296	regasm.exe
1296	regasm.exe
1296	regasm.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

regasm.exe

pid	Process
1296	regasm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

regasm.exe

description	pid	Process
Token: SeDebugPrivilege	1296	regasm.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

70d75f0f3b96abff1102708b5454b622a2aba1b0738fe0f57362ecea2bf6a04dN.exeximo2ubzn1i.exe

description	pid	Process	procid_target
PID 2508 wrote to memory of 2176	2508	70d75f0f3b96abff1102708b5454b622a2aba1b0738fe0f57362ecea2bf6a04dN.exe	30
PID 2508 wrote to memory of 2176	2508	70d75f0f3b96abff1102708b5454b622a2aba1b0738fe0f57362ecea2bf6a04dN.exe	30
PID 2508 wrote to memory of 2176	2508	70d75f0f3b96abff1102708b5454b622a2aba1b0738fe0f57362ecea2bf6a04dN.exe	30
PID 2508 wrote to memory of 2176	2508	70d75f0f3b96abff1102708b5454b622a2aba1b0738fe0f57362ecea2bf6a04dN.exe	30
PID 2176 wrote to memory of 1296	2176	ximo2ubzn1i.exe	31
PID 2176 wrote to memory of 1296	2176	ximo2ubzn1i.exe	31
PID 2176 wrote to memory of 1296	2176	ximo2ubzn1i.exe	31
PID 2176 wrote to memory of 1296	2176	ximo2ubzn1i.exe	31
PID 2176 wrote to memory of 1296	2176	ximo2ubzn1i.exe	31
PID 2176 wrote to memory of 1296	2176	ximo2ubzn1i.exe	31
PID 2176 wrote to memory of 1296	2176	ximo2ubzn1i.exe	31
PID 2176 wrote to memory of 1296	2176	ximo2ubzn1i.exe	31
PID 2176 wrote to memory of 1296	2176	ximo2ubzn1i.exe	31
PID 2176 wrote to memory of 1296	2176	ximo2ubzn1i.exe	31
PID 2176 wrote to memory of 1296	2176	ximo2ubzn1i.exe	31
PID 2176 wrote to memory of 1296	2176	ximo2ubzn1i.exe	31

C:\Users\Admin\AppData\Local\Temp\70d75f0f3b96abff1102708b5454b622a2aba1b0738fe0f57362ecea2bf6a04dN.exe
"C:\Users\Admin\AppData\Local\Temp\70d75f0f3b96abff1102708b5454b622a2aba1b0738fe0f57362ecea2bf6a04dN.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2508
- 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:2176
- - 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:1296

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

Replay Monitor

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Roaming\c5e4gxfvd4v\ximo2ubzn1i.exe

Filesize
413KB

MD5
74c0c50fff29d5ee54f31f6d75f5669f

SHA1
3a49945944d6aceaa1b32b86ebcedca5471a99bf

SHA256
a5ed4170ce19a581cee47c241957220359bc746c69573cf51bb166792eaface9

SHA512
a5e20ee2a84a8441b0e268ce784b436e869f59c7b668e4a283bfa2a6dd5c5aba5299c373fb5a5c91fef14d8f79ed3e2caf05a8b7bb4fe9b9d8af49e7ca426181

Download Submit
memory/1296-20-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1296-18-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1296-27-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1296-22-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1296-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1296-32-0x00000000005D0000-0x00000000005DA000-memory.dmp

Filesize
40KB

Download
memory/1296-31-0x0000000000A40000-0x0000000000A5E000-memory.dmp

Filesize
120KB

Download
memory/1296-30-0x00000000003B0000-0x00000000003BA000-memory.dmp

Filesize
40KB

Download
memory/1296-16-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1296-28-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1296-17-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2176-14-0x0000000000E40000-0x0000000000EAE000-memory.dmp

Filesize
440KB

Download
memory/2176-13-0x0000000074290000-0x000000007497E000-memory.dmp

Filesize
6.9MB

Download
memory/2176-15-0x0000000074290000-0x000000007497E000-memory.dmp

Filesize
6.9MB

Download
memory/2176-33-0x0000000074290000-0x000000007497E000-memory.dmp

Filesize
6.9MB

Download
memory/2176-34-0x0000000074290000-0x000000007497E000-memory.dmp

Filesize
6.9MB

Download
memory/2508-1-0x0000000000050000-0x00000000000BE000-memory.dmp

Filesize
440KB

Download
memory/2508-0-0x000000007429E000-0x000000007429F000-memory.dmp

Filesize
4KB

Download
memory/2508-3-0x0000000001FA0000-0x0000000001FDC000-memory.dmp

Filesize
240KB

Download
memory/2508-2-0x0000000074290000-0x000000007497E000-memory.dmp

Filesize
6.9MB

Download
memory/2508-12-0x0000000074290000-0x000000007497E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads