nanocore | 2bb4adfb80b19d34bb9e61863734dc4927ab0d229b13aaee9067cd6fa5293e49

General

Target

2bb4adfb80b19d34bb9e61863734dc4927ab0d229b13aaee9067cd6fa5293e49N.exe
Size

416KB
MD5

30bc8935263c9cfa36797e8dde3ce860
SHA1

d1f1950943fdf796f0104a58ea021be3d2a1fcea
SHA256

2bb4adfb80b19d34bb9e61863734dc4927ab0d229b13aaee9067cd6fa5293e49
SHA512

79059ea66c8422e7b59fda8c68e72ca04134cfc2165d19ae1b84622f5e2810a2154ddeb0ef12e86491db360e4e37eaf27f3bbb5725e9bb6efffa847afc57de7b
SSDEEP

6144:ITNE3ZRrnaBVlvphVxmP+6CiejgcME1cwYfU+va+RUwbN:ITNYrnE3bm/CiejewY5vXN

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
Nanocore family
nanocore

Executes dropped EXE 1 IoCs

pid	Process
2168	ximo2ubzn1i.exe

Loads dropped DLL 1 IoCs

pid	Process
2128	2bb4adfb80b19d34bb9e61863734dc4927ab0d229b13aaee9067cd6fa5293e49N.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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\c5e4gxfvd4v = "C:\\Users\\Admin\\AppData\\Roaming\\c5e4gxfvd4v\\ximo2ubzn1i.exe"	2bb4adfb80b19d34bb9e61863734dc4927ab0d229b13aaee9067cd6fa5293e49N.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 2168 set thread context of 2340	2168	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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2bb4adfb80b19d34bb9e61863734dc4927ab0d229b13aaee9067cd6fa5293e49N.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
2340	regasm.exe
2340	regasm.exe
2340	regasm.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2340	regasm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2340	regasm.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2128 wrote to memory of 2168	2128	2bb4adfb80b19d34bb9e61863734dc4927ab0d229b13aaee9067cd6fa5293e49N.exe	30
PID 2128 wrote to memory of 2168	2128	2bb4adfb80b19d34bb9e61863734dc4927ab0d229b13aaee9067cd6fa5293e49N.exe	30
PID 2128 wrote to memory of 2168	2128	2bb4adfb80b19d34bb9e61863734dc4927ab0d229b13aaee9067cd6fa5293e49N.exe	30
PID 2128 wrote to memory of 2168	2128	2bb4adfb80b19d34bb9e61863734dc4927ab0d229b13aaee9067cd6fa5293e49N.exe	30
PID 2168 wrote to memory of 2340	2168	ximo2ubzn1i.exe	31
PID 2168 wrote to memory of 2340	2168	ximo2ubzn1i.exe	31
PID 2168 wrote to memory of 2340	2168	ximo2ubzn1i.exe	31
PID 2168 wrote to memory of 2340	2168	ximo2ubzn1i.exe	31
PID 2168 wrote to memory of 2340	2168	ximo2ubzn1i.exe	31
PID 2168 wrote to memory of 2340	2168	ximo2ubzn1i.exe	31
PID 2168 wrote to memory of 2340	2168	ximo2ubzn1i.exe	31
PID 2168 wrote to memory of 2340	2168	ximo2ubzn1i.exe	31
PID 2168 wrote to memory of 2340	2168	ximo2ubzn1i.exe	31
PID 2168 wrote to memory of 2340	2168	ximo2ubzn1i.exe	31
PID 2168 wrote to memory of 2340	2168	ximo2ubzn1i.exe	31
PID 2168 wrote to memory of 2340	2168	ximo2ubzn1i.exe	31

C:\Users\Admin\AppData\Local\Temp\2bb4adfb80b19d34bb9e61863734dc4927ab0d229b13aaee9067cd6fa5293e49N.exe
"C:\Users\Admin\AppData\Local\Temp\2bb4adfb80b19d34bb9e61863734dc4927ab0d229b13aaee9067cd6fa5293e49N.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2128
- 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:2168
- - 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:2340

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
416KB

MD5
cc87176c511957beaac21635a320479a

SHA1
09bf4752f21e306dd93a46664ab56b374f420e4e

SHA256
cfcb4ea190e8575e857ac0c6d27fe77c935f4af2c2472577685fcbbf376957bf

SHA512
a68bae583ff7daf7d9b9231a92ebefb05d1e4ab4f9b33d4b6b01f1c8dc01646f538feae8feb1838c488f34c6a25d528d590b45ee370faaac8c3b0f9e0b9dd848

Download Submit
memory/2128-1-0x0000000000FC0000-0x000000000102E000-memory.dmp

Filesize
440KB

Download
memory/2128-2-0x0000000074080000-0x000000007476E000-memory.dmp

Filesize
6.9MB

Download
memory/2128-3-0x0000000000A50000-0x0000000000A8C000-memory.dmp

Filesize
240KB

Download
memory/2128-12-0x0000000074080000-0x000000007476E000-memory.dmp

Filesize
6.9MB

Download
memory/2128-0-0x000000007408E000-0x000000007408F000-memory.dmp

Filesize
4KB

Download
memory/2168-33-0x0000000074080000-0x000000007476E000-memory.dmp

Filesize
6.9MB

Download
memory/2168-14-0x0000000074080000-0x000000007476E000-memory.dmp

Filesize
6.9MB

Download
memory/2168-13-0x0000000000CC0000-0x0000000000D2E000-memory.dmp

Filesize
440KB

Download
memory/2168-15-0x0000000074080000-0x000000007476E000-memory.dmp

Filesize
6.9MB

Download
memory/2168-34-0x0000000074080000-0x000000007476E000-memory.dmp

Filesize
6.9MB

Download
memory/2340-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2340-22-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2340-20-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2340-17-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2340-16-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2340-27-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2340-30-0x0000000000460000-0x000000000046A000-memory.dmp

Filesize
40KB

Download
memory/2340-31-0x00000000007C0000-0x00000000007DE000-memory.dmp

Filesize
120KB

Download
memory/2340-32-0x0000000000470000-0x000000000047A000-memory.dmp

Filesize
40KB

Download
memory/2340-28-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2340-18-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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