nanocore | 39609f52c5351fcce7e031a6c0c43bbb32899d3a23204cec330f97cc05c602bb

General

Target

2e8da64c68d2020b127637af76999eae_JaffaCakes118.exe
Size

416KB
MD5

2e8da64c68d2020b127637af76999eae
SHA1

576a0e6b2ad0d3683982f9ed380f50020f851fb2
SHA256

39609f52c5351fcce7e031a6c0c43bbb32899d3a23204cec330f97cc05c602bb
SHA512

c142f053d074a7a1f426779b6bdc4f6d249eb85d2dedc9a49114ebd4180369389ba66dde3bd93dc842e164131e862aa1c65db2824e26672337ed975caf7a0e59
SSDEEP

12288:xQe926EQ2q+MpWBbDu9SkDNhSt6GR0CoFbJ30rPdQuo:3ppW10NhSRRgb6rPd

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

owens.ddns.net:4040

Mutex

e8fc5dec-c000-4a89-a1aa-ebb0418b2e71

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2017-09-02T02:48:13.513691336Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
4040
default_group
Nov 2017
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
e8fc5dec-c000-4a89-a1aa-ebb0418b2e71
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
owens.ddns.net
primary_dns_server
8.8.8.8
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
false
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 2 IoCs

Processes:

winlogins.exewinlogins.exe

pid process

2596 winlogins.exe
2612 winlogins.exe
Loads dropped DLL 1 IoCs

Processes:

cmd.exe

pid process

2616 cmd.exe

pid	process
2596	winlogins.exe
2612	winlogins.exe

pid	process
2616	cmd.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

winlogins.exewinlogins.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\winlogin = "C:\\Users\\Admin\\AppData\\Local\\winlogins.exe -boot"	winlogins.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\WAN Service = "C:\\Program Files (x86)\\WAN Service\\wansvc.exe"	winlogins.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

winlogins.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA winlogins.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

winlogins.exe

description pid process target process

PID 2596 set thread context of 2612 2596 winlogins.exe winlogins.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	winlogins.exe

description	pid	process	target process
PID 2596 set thread context of 2612	2596	winlogins.exe	winlogins.exe

Drops file in Program Files directory 2 IoCs

Processes:

winlogins.exe

description	ioc	process
File created	C:\Program Files (x86)\WAN Service\wansvc.exe	winlogins.exe
File opened for modification	C:\Program Files (x86)\WAN Service\wansvc.exe	winlogins.exe

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 5 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:

2e8da64c68d2020b127637af76999eae_JaffaCakes118.execmd.execmd.exewinlogins.exewinlogins.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2e8da64c68d2020b127637af76999eae_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winlogins.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winlogins.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

winlogins.exe

pid process

2612 winlogins.exe
2612 winlogins.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

winlogins.exe

pid process

2612 winlogins.exe

pid	process
2612	winlogins.exe
2612	winlogins.exe

pid	process
2612	winlogins.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

2e8da64c68d2020b127637af76999eae_JaffaCakes118.exewinlogins.exewinlogins.exe

description	pid	process
Token: SeDebugPrivilege	2220	2e8da64c68d2020b127637af76999eae_JaffaCakes118.exe
Token: SeDebugPrivilege	2596	winlogins.exe
Token: SeDebugPrivilege	2612	winlogins.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

2e8da64c68d2020b127637af76999eae_JaffaCakes118.execmd.exewinlogins.exe

description	pid	process	target process
PID 2220 wrote to memory of 2664	2220	2e8da64c68d2020b127637af76999eae_JaffaCakes118.exe	cmd.exe
PID 2220 wrote to memory of 2664	2220	2e8da64c68d2020b127637af76999eae_JaffaCakes118.exe	cmd.exe
PID 2220 wrote to memory of 2664	2220	2e8da64c68d2020b127637af76999eae_JaffaCakes118.exe	cmd.exe
PID 2220 wrote to memory of 2664	2220	2e8da64c68d2020b127637af76999eae_JaffaCakes118.exe	cmd.exe
PID 2220 wrote to memory of 2616	2220	2e8da64c68d2020b127637af76999eae_JaffaCakes118.exe	cmd.exe
PID 2220 wrote to memory of 2616	2220	2e8da64c68d2020b127637af76999eae_JaffaCakes118.exe	cmd.exe
PID 2220 wrote to memory of 2616	2220	2e8da64c68d2020b127637af76999eae_JaffaCakes118.exe	cmd.exe
PID 2220 wrote to memory of 2616	2220	2e8da64c68d2020b127637af76999eae_JaffaCakes118.exe	cmd.exe
PID 2616 wrote to memory of 2596	2616	cmd.exe	winlogins.exe
PID 2616 wrote to memory of 2596	2616	cmd.exe	winlogins.exe
PID 2616 wrote to memory of 2596	2616	cmd.exe	winlogins.exe
PID 2616 wrote to memory of 2596	2616	cmd.exe	winlogins.exe
PID 2596 wrote to memory of 2612	2596	winlogins.exe	winlogins.exe
PID 2596 wrote to memory of 2612	2596	winlogins.exe	winlogins.exe
PID 2596 wrote to memory of 2612	2596	winlogins.exe	winlogins.exe
PID 2596 wrote to memory of 2612	2596	winlogins.exe	winlogins.exe
PID 2596 wrote to memory of 2612	2596	winlogins.exe	winlogins.exe
PID 2596 wrote to memory of 2612	2596	winlogins.exe	winlogins.exe
PID 2596 wrote to memory of 2612	2596	winlogins.exe	winlogins.exe
PID 2596 wrote to memory of 2612	2596	winlogins.exe	winlogins.exe
PID 2596 wrote to memory of 2612	2596	winlogins.exe	winlogins.exe

C:\Users\Admin\AppData\Local\Temp\2e8da64c68d2020b127637af76999eae_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2e8da64c68d2020b127637af76999eae_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2220

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\2e8da64c68d2020b127637af76999eae_JaffaCakes118.exe" "C:\Users\Admin\AppData\Local\winlogins.exe"
2⤵
- System Location Discovery: System Language Discovery
PID:2664

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c, "C:\Users\Admin\AppData\Local\winlogins.exe"
2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2616

C:\Users\Admin\AppData\Local\winlogins.exe
"C:\Users\Admin\AppData\Local\winlogins.exe"
3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2596

C:\Users\Admin\AppData\Local\winlogins.exe
"C:\Users\Admin\AppData\Local\winlogins.exe"
4⤵
- Executes dropped EXE
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:2612

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

C:\Users\Admin\AppData\Local\winlogins.exe

Filesize
416KB

MD5
2e8da64c68d2020b127637af76999eae

SHA1
576a0e6b2ad0d3683982f9ed380f50020f851fb2

SHA256
39609f52c5351fcce7e031a6c0c43bbb32899d3a23204cec330f97cc05c602bb

SHA512
c142f053d074a7a1f426779b6bdc4f6d249eb85d2dedc9a49114ebd4180369389ba66dde3bd93dc842e164131e862aa1c65db2824e26672337ed975caf7a0e59

Download Submit
memory/2220-0-0x0000000073FBE000-0x0000000073FBF000-memory.dmp

Filesize
4KB

Download
memory/2220-1-0x0000000001360000-0x00000000013D2000-memory.dmp

Filesize
456KB

Download
memory/2220-2-0x00000000007D0000-0x0000000000816000-memory.dmp

Filesize
280KB

Download
memory/2220-3-0x00000000001F0000-0x0000000000210000-memory.dmp

Filesize
128KB

Download
memory/2220-4-0x0000000073FB0000-0x000000007469E000-memory.dmp

Filesize
6.9MB

Download
memory/2220-5-0x0000000000270000-0x000000000027C000-memory.dmp

Filesize
48KB

Download
memory/2220-8-0x0000000073FBE000-0x0000000073FBF000-memory.dmp

Filesize
4KB

Download
memory/2220-9-0x0000000073FB0000-0x000000007469E000-memory.dmp

Filesize
6.9MB

Download
memory/2220-12-0x0000000073FB0000-0x000000007469E000-memory.dmp

Filesize
6.9MB

Download
memory/2596-16-0x00000000738C0000-0x0000000073FAE000-memory.dmp

Filesize
6.9MB

Download
memory/2596-38-0x00000000738C0000-0x0000000073FAE000-memory.dmp

Filesize
6.9MB

Download
memory/2596-14-0x00000000738CE000-0x00000000738CF000-memory.dmp

Filesize
4KB

Download
memory/2596-17-0x00000000738CE000-0x00000000738CF000-memory.dmp

Filesize
4KB

Download
memory/2596-18-0x00000000738C0000-0x0000000073FAE000-memory.dmp

Filesize
6.9MB

Download
memory/2596-15-0x0000000000070000-0x00000000000E2000-memory.dmp

Filesize
456KB

Download
memory/2612-19-0x0000000000100000-0x0000000000138000-memory.dmp

Filesize
224KB

Download
memory/2612-37-0x0000000000100000-0x0000000000138000-memory.dmp

Filesize
224KB

Download
memory/2612-34-0x0000000000100000-0x0000000000138000-memory.dmp

Filesize
224KB

Download
memory/2612-30-0x0000000000100000-0x0000000000138000-memory.dmp

Filesize
224KB

Download
memory/2612-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2612-25-0x0000000000100000-0x0000000000138000-memory.dmp

Filesize
224KB

Download
memory/2612-23-0x0000000000100000-0x0000000000138000-memory.dmp

Filesize
224KB

Download
memory/2612-21-0x0000000000100000-0x0000000000138000-memory.dmp

Filesize
224KB

Download
memory/2612-41-0x0000000000330000-0x000000000033A000-memory.dmp

Filesize
40KB

Download
memory/2612-42-0x00000000004D0000-0x00000000004EE000-memory.dmp

Filesize
120KB

Download
memory/2612-43-0x0000000000340000-0x000000000034A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads