nanocore | b3ca064a31e6cd648be97ca402f2bf0726fe7fd790a2845a635d27683a54ebca

General

Target

7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe
Size

1.4MB
MD5

7ad96ceeec90cbd084940e669bb04e8f
SHA1

375a497fefe27f3b414530f4b60141068a378cc4
SHA256

b3ca064a31e6cd648be97ca402f2bf0726fe7fd790a2845a635d27683a54ebca
SHA512

06c8e6579b12be46d12318c42836b251fca55b9cc18f58b18a09eaa79c76706c416bcaf7c4fdf7d29518ec864463409c0c4805c25180409fcfed2d72b7e35ddc
SSDEEP

24576:aMnueaWE351BGtgayR6gWBAj7k1zrLuxUtSHJnk3ep:DnQ351TR7sLKUt

Score

10^/10

nanocore agilenet evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

160.116.15.155:7676

Mutex

3f96cee6-4510-4f1f-85d9-fc14fe0fe2bc

Attributes

activate_away_mode
true
backup_connection_host
160.116.15.155
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2019-05-17T08:53:58.555812536Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
7676
default_group
Oh Father
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
3f96cee6-4510-4f1f-85d9-fc14fe0fe2bc
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
160.116.15.155
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

Drops startup file 1 IoCs

Processes:

7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\HJdyTuap.exe	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe

Obfuscated with Agile.Net obfuscator 1 IoCs

Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

agilenet

Processes:

resource	yara_rule
behavioral1/memory/1724-3-0x0000000000780000-0x000000000082E000-memory.dmp	agile_net

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

RegAsm.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\TCP Subsystem = "C:\\Program Files (x86)\\TCP Subsystem\\tcpss.exe"	RegAsm.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:

7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe

description pid process target process

PID 1724 set thread context of 1208 1724 7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe RegAsm.exe

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

description	pid	process	target process
PID 1724 set thread context of 1208	1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe	RegAsm.exe

Drops file in Program Files directory 2 IoCs

Processes:

RegAsm.exe

description	ioc	process
File created	C:\Program Files (x86)\TCP Subsystem\tcpss.exe	RegAsm.exe
File opened for modification	C:\Program Files (x86)\TCP Subsystem\tcpss.exe	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe

pid	process
1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe
1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe
1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe
1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe
1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe
1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe
1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe
1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe
1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe
1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe
1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe
1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe
1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe
1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe
1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe
1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe
1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe
1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe
1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe
1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe
1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe
1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe
1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe
1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe
1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe
1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe
1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe
1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe
1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe
1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe
1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe
1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe
1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe
1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe
1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe
1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe
1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe
1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe
1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe
1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe
1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe
1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe
1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe
1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe
1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe
1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe
1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe
1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe
1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe
1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe
1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe
1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe
1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe
1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe
1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe
1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe
1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe
1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe
1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe
1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe
1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe
1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe
1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe
1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RegAsm.exe

pid process

1208 RegAsm.exe
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe

pid process

1724 7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe
1724 7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exeRegAsm.exe

description pid process

Token: SeDebugPrivilege 1724 7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe
Token: SeDebugPrivilege 1208 RegAsm.exe

pid	process
1208	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe
Token: SeDebugPrivilege	1208	RegAsm.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe

description	pid	process	target process
PID 1724 wrote to memory of 2260	1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe	RegAsm.exe
PID 1724 wrote to memory of 2260	1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe	RegAsm.exe
PID 1724 wrote to memory of 2260	1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe	RegAsm.exe
PID 1724 wrote to memory of 2260	1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe	RegAsm.exe
PID 1724 wrote to memory of 2260	1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe	RegAsm.exe
PID 1724 wrote to memory of 2260	1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe	RegAsm.exe
PID 1724 wrote to memory of 2260	1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe	RegAsm.exe
PID 1724 wrote to memory of 1208	1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe	RegAsm.exe
PID 1724 wrote to memory of 1208	1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe	RegAsm.exe
PID 1724 wrote to memory of 1208	1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe	RegAsm.exe
PID 1724 wrote to memory of 1208	1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe	RegAsm.exe
PID 1724 wrote to memory of 1208	1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe	RegAsm.exe
PID 1724 wrote to memory of 1208	1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe	RegAsm.exe
PID 1724 wrote to memory of 1208	1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe	RegAsm.exe
PID 1724 wrote to memory of 1208	1724	7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\7ad96ceeec90cbd084940e669bb04e8f_JaffaCakes118.exe"
1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1724

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
2⤵
PID:2260

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
2⤵
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:1208

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

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1208-7-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/1208-20-0x0000000071B32000-0x0000000071B34000-memory.dmp

Filesize
8KB

Download
memory/1208-13-0x0000000071B32000-0x0000000071B34000-memory.dmp

Filesize
8KB

Download
memory/1208-9-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/1208-11-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/1724-12-0x0000000074D90000-0x000000007547E000-memory.dmp

Filesize
6.9MB

Download
memory/1724-6-0x0000000074D90000-0x000000007547E000-memory.dmp

Filesize
6.9MB

Download
memory/1724-5-0x00000000022D0000-0x000000000234E000-memory.dmp

Filesize
504KB

Download
memory/1724-0-0x0000000074D9E000-0x0000000074D9F000-memory.dmp

Filesize
4KB

Download
memory/1724-4-0x0000000074D90000-0x000000007547E000-memory.dmp

Filesize
6.9MB

Download
memory/1724-3-0x0000000000780000-0x000000000082E000-memory.dmp

Filesize
696KB

Download
memory/1724-2-0x0000000000450000-0x0000000000458000-memory.dmp

Filesize
32KB

Download
memory/1724-16-0x0000000074D9E000-0x0000000074D9F000-memory.dmp

Filesize
4KB

Download
memory/1724-17-0x0000000074D90000-0x000000007547E000-memory.dmp

Filesize
6.9MB

Download
memory/1724-18-0x0000000074D90000-0x000000007547E000-memory.dmp

Filesize
6.9MB

Download
memory/1724-19-0x0000000074D90000-0x000000007547E000-memory.dmp

Filesize
6.9MB

Download
memory/1724-1-0x0000000000A60000-0x0000000000BC0000-memory.dmp

Filesize
1.4MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads