nanocore | 1a949ad62acf5e8d63ef83a18c2cd3ec6adfdff67a560266be0b31f3ca107fa9

General

Target

1a949ad62acf5e8d63ef83a18c2cd3ec6adfdff67a560266be0b31f3ca107fa9.exe
Size

416KB
MD5

8ee1202070859f2d76314d23d3da915e
SHA1

038d05f716d6ed63977b33ca8395ac77e3c8a1e5
SHA256

1a949ad62acf5e8d63ef83a18c2cd3ec6adfdff67a560266be0b31f3ca107fa9
SHA512

aac7016ae7d3ed110aff433d3d8aad141f1eab4ff8cdc0a06cac5cb872f48796c90bea77a721a5ef3d78cf85e7e578672f3d65d94f843e344ded4f72511247af
SSDEEP

6144:ITNE3ZRrnaBVlvphVxmP+6CiejgcME1cwYfU+va+RU7Tw:ITNYrnE3bm/CiejewY5vz

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
2940	ximo2ubzn1i.exe

Loads dropped DLL 1 IoCs

pid	Process
2160	1a949ad62acf5e8d63ef83a18c2cd3ec6adfdff67a560266be0b31f3ca107fa9.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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\c5e4gxfvd4v = "C:\\Users\\Admin\\AppData\\Roaming\\c5e4gxfvd4v\\ximo2ubzn1i.exe"	1a949ad62acf5e8d63ef83a18c2cd3ec6adfdff67a560266be0b31f3ca107fa9.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 2940 set thread context of 2752	2940	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	ximo2ubzn1i.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regasm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1a949ad62acf5e8d63ef83a18c2cd3ec6adfdff67a560266be0b31f3ca107fa9.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2752	regasm.exe
2752	regasm.exe
2752	regasm.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2752	regasm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2752	regasm.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2160 wrote to memory of 2940	2160	1a949ad62acf5e8d63ef83a18c2cd3ec6adfdff67a560266be0b31f3ca107fa9.exe	30
PID 2160 wrote to memory of 2940	2160	1a949ad62acf5e8d63ef83a18c2cd3ec6adfdff67a560266be0b31f3ca107fa9.exe	30
PID 2160 wrote to memory of 2940	2160	1a949ad62acf5e8d63ef83a18c2cd3ec6adfdff67a560266be0b31f3ca107fa9.exe	30
PID 2160 wrote to memory of 2940	2160	1a949ad62acf5e8d63ef83a18c2cd3ec6adfdff67a560266be0b31f3ca107fa9.exe	30
PID 2940 wrote to memory of 2752	2940	ximo2ubzn1i.exe	31
PID 2940 wrote to memory of 2752	2940	ximo2ubzn1i.exe	31
PID 2940 wrote to memory of 2752	2940	ximo2ubzn1i.exe	31
PID 2940 wrote to memory of 2752	2940	ximo2ubzn1i.exe	31
PID 2940 wrote to memory of 2752	2940	ximo2ubzn1i.exe	31
PID 2940 wrote to memory of 2752	2940	ximo2ubzn1i.exe	31
PID 2940 wrote to memory of 2752	2940	ximo2ubzn1i.exe	31
PID 2940 wrote to memory of 2752	2940	ximo2ubzn1i.exe	31
PID 2940 wrote to memory of 2752	2940	ximo2ubzn1i.exe	31
PID 2940 wrote to memory of 2752	2940	ximo2ubzn1i.exe	31
PID 2940 wrote to memory of 2752	2940	ximo2ubzn1i.exe	31
PID 2940 wrote to memory of 2752	2940	ximo2ubzn1i.exe	31

C:\Users\Admin\AppData\Local\Temp\1a949ad62acf5e8d63ef83a18c2cd3ec6adfdff67a560266be0b31f3ca107fa9.exe
"C:\Users\Admin\AppData\Local\Temp\1a949ad62acf5e8d63ef83a18c2cd3ec6adfdff67a560266be0b31f3ca107fa9.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2160
- 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:2940
- - 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:2752

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
7064e8534baa214b6076f091798f5a3a

SHA1
3c5cea22be03b278fe7b66dbfc899dcbf59ff5a0

SHA256
f6808bd47fc756f5f37d28c0926eeee99ffe750a187516d852d2d1f6b8f5e282

SHA512
088ea61c73c2b731f950f977b18092304c651bf6c55a2b7f240d7d8cb2c9cb5e68eb744a9c6e85d4536e561ee9e7036327d9f8e811055ba75a1034e108b6f5a3

Download Submit
memory/2160-12-0x0000000074190000-0x000000007487E000-memory.dmp

Filesize
6.9MB

Download
memory/2160-1-0x0000000000360000-0x00000000003CE000-memory.dmp

Filesize
440KB

Download
memory/2160-2-0x0000000074190000-0x000000007487E000-memory.dmp

Filesize
6.9MB

Download
memory/2160-3-0x00000000008D0000-0x000000000090C000-memory.dmp

Filesize
240KB

Download
memory/2160-0-0x000000007419E000-0x000000007419F000-memory.dmp

Filesize
4KB

Download
memory/2752-16-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2752-20-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2752-36-0x0000000000510000-0x000000000051A000-memory.dmp

Filesize
40KB

Download
memory/2752-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2752-32-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2752-30-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2752-25-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2752-35-0x00000000004F0000-0x000000000050E000-memory.dmp

Filesize
120KB

Download
memory/2752-18-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2752-34-0x00000000003F0000-0x00000000003FA000-memory.dmp

Filesize
40KB

Download
memory/2752-23-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2940-15-0x0000000074190000-0x000000007487E000-memory.dmp

Filesize
6.9MB

Download
memory/2940-13-0x0000000000F20000-0x0000000000F8E000-memory.dmp

Filesize
440KB

Download
memory/2940-14-0x0000000074190000-0x000000007487E000-memory.dmp

Filesize
6.9MB

Download
memory/2940-37-0x0000000074190000-0x000000007487E000-memory.dmp

Filesize
6.9MB

Download
memory/2940-38-0x0000000074190000-0x000000007487E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads