nanocore | 9802e45217b07b8950df10f3feb9f49fc20ea367ed1ab3c22f659eae1b90e475

General

Target

9d68fa1d0b7d856dae142bb02273a81b_JaffaCakes118.exe
Size

396KB
MD5

9d68fa1d0b7d856dae142bb02273a81b
SHA1

135d45482a3618487cbd5cde23904a70c2069ae1
SHA256

9802e45217b07b8950df10f3feb9f49fc20ea367ed1ab3c22f659eae1b90e475
SHA512

3171f678030cc869b48f8ba6516af9a8b705f4065293c5fbd37bb272aad8a2f78a48e50b04212cd5e2cb86585db8ced68ada5ccb4b61423bd978407a25651c67
SSDEEP

12288:SC/rh9yEmoQzcprsR0KzgHGTj5datGGMX6:F/rhvVQzJemTdn

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

181.215.247.6:5655

Mutex

c7bb6209-5622-4e29-820a-dbb0cb99e820

Attributes

activate_away_mode
true
backup_connection_host
181.215.247.6
backup_dns_server
buffer_size
65535
build_time
2017-04-17T11:05:54.312394636Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
true
connect_delay
4000
connection_port
5655
default_group
money team
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
c7bb6209-5622-4e29-820a-dbb0cb99e820
mutex_timeout
5000
prevent_system_sleep
true
primary_connection_host
181.215.247.6
primary_dns_server
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 1 IoCs

Processes:

app.exe

pid process

2932 app.exe
Loads dropped DLL 1 IoCs

Processes:

9d68fa1d0b7d856dae142bb02273a81b_JaffaCakes118.exe

pid process

2784 9d68fa1d0b7d856dae142bb02273a81b_JaffaCakes118.exe

pid	process
2784	9d68fa1d0b7d856dae142bb02273a81b_JaffaCakes118.exe

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\ISS Host = "C:\\Program Files (x86)\\ISS Host\\isshost.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 2 IoCs

Processes:

app.exe

description pid process target process

PID 2932 set thread context of 2472 2932 app.exe RegAsm.exe
PID 2932 set thread context of 2952 2932 app.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 2932 set thread context of 2472	2932	app.exe	RegAsm.exe
PID 2932 set thread context of 2952	2932	app.exe	RegAsm.exe

Drops file in Program Files directory 2 IoCs

Processes:

RegAsm.exe

description	ioc	process
File created	C:\Program Files (x86)\ISS Host\isshost.exe	RegAsm.exe
File opened for modification	C:\Program Files (x86)\ISS Host\isshost.exe	RegAsm.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

app.exeRegAsm.exe

pid	process
2932	app.exe
2952	RegAsm.exe
2952	RegAsm.exe
2952	RegAsm.exe
2932	app.exe
2932	app.exe
2932	app.exe
2932	app.exe
2932	app.exe
2932	app.exe
2932	app.exe
2932	app.exe
2932	app.exe
2932	app.exe
2932	app.exe
2932	app.exe
2932	app.exe
2932	app.exe
2932	app.exe
2932	app.exe
2932	app.exe
2932	app.exe
2932	app.exe
2932	app.exe
2932	app.exe
2932	app.exe
2932	app.exe
2932	app.exe
2932	app.exe
2932	app.exe
2932	app.exe
2932	app.exe
2932	app.exe
2932	app.exe
2932	app.exe
2932	app.exe
2932	app.exe
2932	app.exe
2932	app.exe
2932	app.exe
2932	app.exe
2932	app.exe
2932	app.exe
2932	app.exe
2932	app.exe
2932	app.exe
2932	app.exe
2932	app.exe
2932	app.exe
2932	app.exe
2932	app.exe
2932	app.exe
2932	app.exe
2932	app.exe
2932	app.exe
2932	app.exe
2932	app.exe
2932	app.exe
2932	app.exe
2932	app.exe
2932	app.exe
2932	app.exe
2932	app.exe
2932	app.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RegAsm.exe

pid process

2952 RegAsm.exe

pid	process
2952	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

9d68fa1d0b7d856dae142bb02273a81b_JaffaCakes118.exeapp.exeRegAsm.exe

description	pid	process
Token: SeDebugPrivilege	2784	9d68fa1d0b7d856dae142bb02273a81b_JaffaCakes118.exe
Token: SeDebugPrivilege	2932	app.exe
Token: SeDebugPrivilege	2952	RegAsm.exe

Suspicious use of WriteProcessMemory 28 IoCs

Processes:

9d68fa1d0b7d856dae142bb02273a81b_JaffaCakes118.exeapp.exe

description	pid	process	target process
PID 2784 wrote to memory of 2932	2784	9d68fa1d0b7d856dae142bb02273a81b_JaffaCakes118.exe	app.exe
PID 2784 wrote to memory of 2932	2784	9d68fa1d0b7d856dae142bb02273a81b_JaffaCakes118.exe	app.exe
PID 2784 wrote to memory of 2932	2784	9d68fa1d0b7d856dae142bb02273a81b_JaffaCakes118.exe	app.exe
PID 2784 wrote to memory of 2932	2784	9d68fa1d0b7d856dae142bb02273a81b_JaffaCakes118.exe	app.exe
PID 2932 wrote to memory of 2472	2932	app.exe	RegAsm.exe
PID 2932 wrote to memory of 2472	2932	app.exe	RegAsm.exe
PID 2932 wrote to memory of 2472	2932	app.exe	RegAsm.exe
PID 2932 wrote to memory of 2952	2932	app.exe	RegAsm.exe
PID 2932 wrote to memory of 2952	2932	app.exe	RegAsm.exe
PID 2932 wrote to memory of 2952	2932	app.exe	RegAsm.exe
PID 2932 wrote to memory of 2472	2932	app.exe	RegAsm.exe
PID 2932 wrote to memory of 2472	2932	app.exe	RegAsm.exe
PID 2932 wrote to memory of 2472	2932	app.exe	RegAsm.exe
PID 2932 wrote to memory of 2472	2932	app.exe	RegAsm.exe
PID 2932 wrote to memory of 2952	2932	app.exe	RegAsm.exe
PID 2932 wrote to memory of 2952	2932	app.exe	RegAsm.exe
PID 2932 wrote to memory of 2952	2932	app.exe	RegAsm.exe
PID 2932 wrote to memory of 2952	2932	app.exe	RegAsm.exe
PID 2932 wrote to memory of 2952	2932	app.exe	RegAsm.exe
PID 2932 wrote to memory of 2472	2932	app.exe	RegAsm.exe
PID 2932 wrote to memory of 2952	2932	app.exe	RegAsm.exe
PID 2932 wrote to memory of 2472	2932	app.exe	RegAsm.exe
PID 2932 wrote to memory of 2472	2932	app.exe	RegAsm.exe
PID 2932 wrote to memory of 2952	2932	app.exe	RegAsm.exe
PID 2932 wrote to memory of 2472	2932	app.exe	RegAsm.exe
PID 2932 wrote to memory of 2952	2932	app.exe	RegAsm.exe
PID 2932 wrote to memory of 2472	2932	app.exe	RegAsm.exe
PID 2932 wrote to memory of 2952	2932	app.exe	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\9d68fa1d0b7d856dae142bb02273a81b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\9d68fa1d0b7d856dae142bb02273a81b_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2784

C:\Users\Admin\AppData\Roaming\app.exe
"C:\Users\Admin\AppData\Roaming\app.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2932

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
3⤵
PID:2472

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
3⤵
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:2952

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

\Users\Admin\AppData\Roaming\app.exe
Filesize
396KB

MD5
9d68fa1d0b7d856dae142bb02273a81b

SHA1
135d45482a3618487cbd5cde23904a70c2069ae1

SHA256
9802e45217b07b8950df10f3feb9f49fc20ea367ed1ab3c22f659eae1b90e475

SHA512
3171f678030cc869b48f8ba6516af9a8b705f4065293c5fbd37bb272aad8a2f78a48e50b04212cd5e2cb86585db8ced68ada5ccb4b61423bd978407a25651c67

Download Submit
memory/2472-22-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2472-17-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2784-13-0x0000000074B20000-0x00000000750CB000-memory.dmp

Filesize
5.7MB

Download
memory/2784-1-0x0000000074B20000-0x00000000750CB000-memory.dmp

Filesize
5.7MB

Download
memory/2784-3-0x0000000074B20000-0x00000000750CB000-memory.dmp

Filesize
5.7MB

Download
memory/2784-2-0x0000000074B20000-0x00000000750CB000-memory.dmp

Filesize
5.7MB

Download
memory/2784-4-0x0000000074B20000-0x00000000750CB000-memory.dmp

Filesize
5.7MB

Download
memory/2784-0-0x0000000074B21000-0x0000000074B22000-memory.dmp

Filesize
4KB

Download
memory/2932-14-0x0000000074B20000-0x00000000750CB000-memory.dmp

Filesize
5.7MB

Download
memory/2932-16-0x0000000074B20000-0x00000000750CB000-memory.dmp

Filesize
5.7MB

Download
memory/2932-15-0x0000000074B20000-0x00000000750CB000-memory.dmp

Filesize
5.7MB

Download
memory/2932-12-0x0000000074B20000-0x00000000750CB000-memory.dmp

Filesize
5.7MB

Download
memory/2932-29-0x0000000074B20000-0x00000000750CB000-memory.dmp

Filesize
5.7MB

Download
memory/2932-30-0x0000000074B20000-0x00000000750CB000-memory.dmp

Filesize
5.7MB

Download
memory/2932-31-0x0000000074B20000-0x00000000750CB000-memory.dmp

Filesize
5.7MB

Download
memory/2952-26-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads