nanocore | b907cccf6b9820138ecdbc43ea27d48b436a61701fa3850f90e1c4680d102b04

General

Target

b907cccf6b9820138ecdbc43ea27d48b436a61701fa3850f90e1c4680d102b04.exe
Size

742KB
MD5

d74f5b0b47b9eb8281c2883500f5d8a5
SHA1

df9bec5df0626174b2b4bd5b5abce4082aaee192
SHA256

b907cccf6b9820138ecdbc43ea27d48b436a61701fa3850f90e1c4680d102b04
SHA512

6f1595287e85f6119dbc317ed2497388835cfbabe91c0abe7b60b064eb03792822f3fb76626ff7f9e2688fc0f9f7c1076f2a25597eee15d6cf5196ed4430fd70
SSDEEP

12288:qmyjozADg+f+B/9PRjUoYo5ItAQmnRbnC+qV2QU7gjc1wRA9q7ODLfJibb:vyc2U7PuaINQbnC+gi7WcWRA07Ovxc

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.1.1

C2

jesus-christ.redirectme.net:54557

taskintelguard.ddns.net:54557

Mutex

521ad638-fffa-42fc-bb1f-12f3a95ec748

Attributes

activate_away_mode
true
backup_connection_host
taskintelguard.ddns.net
backup_dns_server
buffer_size
65535
build_time
2014-09-18T05:15:02.280514336Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
true
connect_delay
4000
connection_port
54557
default_group
Project School
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
521ad638-fffa-42fc-bb1f-12f3a95ec748
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
jesus-christ.redirectme.net
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
1.2.1.1
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 2 IoCs

pid	Process
1528	vlc16.exe
1000	vlc16.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\VLC Service Management Helper.com.url	vlc16.exe

Loads dropped DLL 1 IoCs

pid	Process
1308	b907cccf6b9820138ecdbc43ea27d48b436a61701fa3850f90e1c4680d102b04.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VLC Service Management Helper = "C:\\ProgramData\\vlc16.exe"	reg.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	vlc16.exe

Maps connected drives based on registry 3 TTPs 4 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	b907cccf6b9820138ecdbc43ea27d48b436a61701fa3850f90e1c4680d102b04.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	b907cccf6b9820138ecdbc43ea27d48b436a61701fa3850f90e1c4680d102b04.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	vlc16.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	vlc16.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1528 set thread context of 1000	1528	vlc16.exe	32

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 40 IoCs

pid	Process
1528	vlc16.exe
1000	vlc16.exe
1000	vlc16.exe
1000	vlc16.exe
1000	vlc16.exe
1000	vlc16.exe
1000	vlc16.exe
1528	vlc16.exe
1528	vlc16.exe
1528	vlc16.exe
1528	vlc16.exe
1528	vlc16.exe
1528	vlc16.exe
1528	vlc16.exe
1528	vlc16.exe
1528	vlc16.exe
1528	vlc16.exe
1528	vlc16.exe
1528	vlc16.exe
1528	vlc16.exe
1528	vlc16.exe
1528	vlc16.exe
1528	vlc16.exe
1528	vlc16.exe
1528	vlc16.exe
1528	vlc16.exe
1528	vlc16.exe
1528	vlc16.exe
1528	vlc16.exe
1528	vlc16.exe
1528	vlc16.exe
1528	vlc16.exe
1528	vlc16.exe
1528	vlc16.exe
1528	vlc16.exe
1528	vlc16.exe
1528	vlc16.exe
1528	vlc16.exe
1528	vlc16.exe
1528	vlc16.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1000	vlc16.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1308	b907cccf6b9820138ecdbc43ea27d48b436a61701fa3850f90e1c4680d102b04.exe
Token: SeDebugPrivilege	1528	vlc16.exe
Token: SeDebugPrivilege	1000	vlc16.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1308 wrote to memory of 1280	1308	b907cccf6b9820138ecdbc43ea27d48b436a61701fa3850f90e1c4680d102b04.exe	28
PID 1308 wrote to memory of 1280	1308	b907cccf6b9820138ecdbc43ea27d48b436a61701fa3850f90e1c4680d102b04.exe	28
PID 1308 wrote to memory of 1280	1308	b907cccf6b9820138ecdbc43ea27d48b436a61701fa3850f90e1c4680d102b04.exe	28
PID 1308 wrote to memory of 1280	1308	b907cccf6b9820138ecdbc43ea27d48b436a61701fa3850f90e1c4680d102b04.exe	28
PID 1280 wrote to memory of 284	1280	cmd.exe	30
PID 1280 wrote to memory of 284	1280	cmd.exe	30
PID 1280 wrote to memory of 284	1280	cmd.exe	30
PID 1280 wrote to memory of 284	1280	cmd.exe	30
PID 1308 wrote to memory of 1528	1308	b907cccf6b9820138ecdbc43ea27d48b436a61701fa3850f90e1c4680d102b04.exe	31
PID 1308 wrote to memory of 1528	1308	b907cccf6b9820138ecdbc43ea27d48b436a61701fa3850f90e1c4680d102b04.exe	31
PID 1308 wrote to memory of 1528	1308	b907cccf6b9820138ecdbc43ea27d48b436a61701fa3850f90e1c4680d102b04.exe	31
PID 1308 wrote to memory of 1528	1308	b907cccf6b9820138ecdbc43ea27d48b436a61701fa3850f90e1c4680d102b04.exe	31
PID 1528 wrote to memory of 1000	1528	vlc16.exe	32
PID 1528 wrote to memory of 1000	1528	vlc16.exe	32
PID 1528 wrote to memory of 1000	1528	vlc16.exe	32
PID 1528 wrote to memory of 1000	1528	vlc16.exe	32
PID 1528 wrote to memory of 1000	1528	vlc16.exe	32
PID 1528 wrote to memory of 1000	1528	vlc16.exe	32
PID 1528 wrote to memory of 1000	1528	vlc16.exe	32
PID 1528 wrote to memory of 1000	1528	vlc16.exe	32
PID 1528 wrote to memory of 1000	1528	vlc16.exe	32

C:\Users\Admin\AppData\Local\Temp\b907cccf6b9820138ecdbc43ea27d48b436a61701fa3850f90e1c4680d102b04.exe
"C:\Users\Admin\AppData\Local\Temp\b907cccf6b9820138ecdbc43ea27d48b436a61701fa3850f90e1c4680d102b04.exe"
1⤵
- Loads dropped DLL
- Maps connected drives based on registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1308
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "VLC Service Management Helper" /t REG_SZ /d "C:\ProgramData\vlc16.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1280
- - C:\Windows\SysWOW64\reg.exe
    reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "VLC Service Management Helper" /t REG_SZ /d "C:\ProgramData\vlc16.exe"
    3⤵
    - Adds Run key to start application
    PID:284
- C:\ProgramData\vlc16.exe
  C:\ProgramData\vlc16.exe
  2⤵
  - Executes dropped EXE
  - Drops startup file
  - Maps connected drives based on registry
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1528
- - C:\ProgramData\vlc16.exe
    "C:\ProgramData\vlc16.exe"
    3⤵
    - Executes dropped EXE
    - Checks whether UAC is enabled
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    PID:1000

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\ProgramData\vlc16.exe

Filesize
742KB

MD5
d74f5b0b47b9eb8281c2883500f5d8a5

SHA1
df9bec5df0626174b2b4bd5b5abce4082aaee192

SHA256
b907cccf6b9820138ecdbc43ea27d48b436a61701fa3850f90e1c4680d102b04

SHA512
6f1595287e85f6119dbc317ed2497388835cfbabe91c0abe7b60b064eb03792822f3fb76626ff7f9e2688fc0f9f7c1076f2a25597eee15d6cf5196ed4430fd70

Download Submit
C:\ProgramData\vlc16.exe

Filesize
742KB

MD5
d74f5b0b47b9eb8281c2883500f5d8a5

SHA1
df9bec5df0626174b2b4bd5b5abce4082aaee192

SHA256
b907cccf6b9820138ecdbc43ea27d48b436a61701fa3850f90e1c4680d102b04

SHA512
6f1595287e85f6119dbc317ed2497388835cfbabe91c0abe7b60b064eb03792822f3fb76626ff7f9e2688fc0f9f7c1076f2a25597eee15d6cf5196ed4430fd70

Download Submit
C:\ProgramData\vlc16.exe

Filesize
742KB

MD5
d74f5b0b47b9eb8281c2883500f5d8a5

SHA1
df9bec5df0626174b2b4bd5b5abce4082aaee192

SHA256
b907cccf6b9820138ecdbc43ea27d48b436a61701fa3850f90e1c4680d102b04

SHA512
6f1595287e85f6119dbc317ed2497388835cfbabe91c0abe7b60b064eb03792822f3fb76626ff7f9e2688fc0f9f7c1076f2a25597eee15d6cf5196ed4430fd70

Download Submit
\ProgramData\vlc16.exe

Filesize
742KB

MD5
d74f5b0b47b9eb8281c2883500f5d8a5

SHA1
df9bec5df0626174b2b4bd5b5abce4082aaee192

SHA256
b907cccf6b9820138ecdbc43ea27d48b436a61701fa3850f90e1c4680d102b04

SHA512
6f1595287e85f6119dbc317ed2497388835cfbabe91c0abe7b60b064eb03792822f3fb76626ff7f9e2688fc0f9f7c1076f2a25597eee15d6cf5196ed4430fd70

Download Submit
memory/1000-72-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1000-76-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1000-82-0x0000000074180000-0x000000007472B000-memory.dmp

Filesize
5.7MB

Download
memory/1000-80-0x0000000074180000-0x000000007472B000-memory.dmp

Filesize
5.7MB

Download
memory/1000-78-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1000-66-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1000-69-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1000-67-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1000-70-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1308-54-0x0000000074DA1000-0x0000000074DA3000-memory.dmp

Filesize
8KB

Download
memory/1308-55-0x0000000074180000-0x000000007472B000-memory.dmp

Filesize
5.7MB

Download
memory/1308-64-0x0000000074180000-0x000000007472B000-memory.dmp

Filesize
5.7MB

Download
memory/1308-56-0x0000000074180000-0x000000007472B000-memory.dmp

Filesize
5.7MB

Download
memory/1528-65-0x0000000074180000-0x000000007472B000-memory.dmp

Filesize
5.7MB

Download
memory/1528-81-0x0000000074180000-0x000000007472B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads