nanocore | f5ed244699bfd20b6c2a9fe44f2f99aba7d0c7a27419da8c65342878d949d688

General

Target

508d20f4ac741b76d4fe3e4c2a51bbcd_JaffaCakes118.exe
Size

326KB
MD5

508d20f4ac741b76d4fe3e4c2a51bbcd
SHA1

1cfe2d1d325c0ecddcd805a9857ee7b3cdebf4ec
SHA256

f5ed244699bfd20b6c2a9fe44f2f99aba7d0c7a27419da8c65342878d949d688
SHA512

2874a61be9ff2f634c39f8b68ba2a2d060e42a04a25029142d681da55cf6d742d12716a625b67120c70e92ebc81a1f0cc93851aab2f4032c28a792205e8eb296
SSDEEP

6144:Gl7ZoMg2kwi+M4JfLrhqtNfjfa3EYNFlV4/WIdjqmcpg1paUAd4wIzWQ:UntiyJfL+Lfa3E4+CpgzaUA3

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

2360 app.exe
Loads dropped DLL 1 IoCs

Processes:

508d20f4ac741b76d4fe3e4c2a51bbcd_JaffaCakes118.exe

pid process

2224 508d20f4ac741b76d4fe3e4c2a51bbcd_JaffaCakes118.exe

pid	process
2360	app.exe

pid	process
2224	508d20f4ac741b76d4fe3e4c2a51bbcd_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\DDP Service = "C:\\Program Files (x86)\\DDP Service\\ddpsv.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:

app.exe

description pid process target process

PID 2360 set thread context of 1972 2360 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 2360 set thread context of 1972	2360	app.exe	RegAsm.exe

Drops file in Program Files directory 2 IoCs

Processes:

RegAsm.exe

description	ioc	process
File created	C:\Program Files (x86)\DDP Service\ddpsv.exe	RegAsm.exe
File opened for modification	C:\Program Files (x86)\DDP Service\ddpsv.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 2 IoCs

Processes:

RegAsm.exe

pid process

1972 RegAsm.exe
1972 RegAsm.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RegAsm.exe

pid process

1972 RegAsm.exe

pid	process
1972	RegAsm.exe
1972	RegAsm.exe

pid	process
1972	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

508d20f4ac741b76d4fe3e4c2a51bbcd_JaffaCakes118.exeapp.exeRegAsm.exe

description	pid	process
Token: SeDebugPrivilege	2224	508d20f4ac741b76d4fe3e4c2a51bbcd_JaffaCakes118.exe
Token: SeDebugPrivilege	2360	app.exe
Token: SeDebugPrivilege	1972	RegAsm.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

508d20f4ac741b76d4fe3e4c2a51bbcd_JaffaCakes118.exeapp.exe

description	pid	process	target process
PID 2224 wrote to memory of 2360	2224	508d20f4ac741b76d4fe3e4c2a51bbcd_JaffaCakes118.exe	app.exe
PID 2224 wrote to memory of 2360	2224	508d20f4ac741b76d4fe3e4c2a51bbcd_JaffaCakes118.exe	app.exe
PID 2224 wrote to memory of 2360	2224	508d20f4ac741b76d4fe3e4c2a51bbcd_JaffaCakes118.exe	app.exe
PID 2224 wrote to memory of 2360	2224	508d20f4ac741b76d4fe3e4c2a51bbcd_JaffaCakes118.exe	app.exe
PID 2360 wrote to memory of 1972	2360	app.exe	RegAsm.exe
PID 2360 wrote to memory of 1972	2360	app.exe	RegAsm.exe
PID 2360 wrote to memory of 1972	2360	app.exe	RegAsm.exe
PID 2360 wrote to memory of 1972	2360	app.exe	RegAsm.exe
PID 2360 wrote to memory of 1972	2360	app.exe	RegAsm.exe
PID 2360 wrote to memory of 1972	2360	app.exe	RegAsm.exe
PID 2360 wrote to memory of 1972	2360	app.exe	RegAsm.exe
PID 2360 wrote to memory of 1972	2360	app.exe	RegAsm.exe
PID 2360 wrote to memory of 1972	2360	app.exe	RegAsm.exe
PID 2360 wrote to memory of 1972	2360	app.exe	RegAsm.exe
PID 2360 wrote to memory of 1972	2360	app.exe	RegAsm.exe
PID 2360 wrote to memory of 1972	2360	app.exe	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\508d20f4ac741b76d4fe3e4c2a51bbcd_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\508d20f4ac741b76d4fe3e4c2a51bbcd_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2224

C:\Users\Admin\AppData\Local\app.exe
"C:\Users\Admin\AppData\Local\app.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2360

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:1972

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\Local\app.exe
Filesize
326KB

MD5
508d20f4ac741b76d4fe3e4c2a51bbcd

SHA1
1cfe2d1d325c0ecddcd805a9857ee7b3cdebf4ec

SHA256
f5ed244699bfd20b6c2a9fe44f2f99aba7d0c7a27419da8c65342878d949d688

SHA512
2874a61be9ff2f634c39f8b68ba2a2d060e42a04a25029142d681da55cf6d742d12716a625b67120c70e92ebc81a1f0cc93851aab2f4032c28a792205e8eb296

Download Submit
memory/1972-20-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1972-22-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1972-18-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2224-4-0x0000000075010000-0x00000000755BB000-memory.dmp

Filesize
5.7MB

Download
memory/2224-0-0x0000000075011000-0x0000000075012000-memory.dmp

Filesize
4KB

Download
memory/2224-15-0x0000000075010000-0x00000000755BB000-memory.dmp

Filesize
5.7MB

Download
memory/2224-3-0x0000000075010000-0x00000000755BB000-memory.dmp

Filesize
5.7MB

Download
memory/2224-2-0x0000000075010000-0x00000000755BB000-memory.dmp

Filesize
5.7MB

Download
memory/2224-1-0x0000000075010000-0x00000000755BB000-memory.dmp

Filesize
5.7MB

Download
memory/2360-12-0x0000000075010000-0x00000000755BB000-memory.dmp

Filesize
5.7MB

Download
memory/2360-13-0x0000000075010000-0x00000000755BB000-memory.dmp

Filesize
5.7MB

Download
memory/2360-14-0x0000000075010000-0x00000000755BB000-memory.dmp

Filesize
5.7MB

Download
memory/2360-16-0x0000000075010000-0x00000000755BB000-memory.dmp

Filesize
5.7MB

Download
memory/2360-17-0x0000000075010000-0x00000000755BB000-memory.dmp

Filesize
5.7MB

Download
memory/2360-23-0x0000000075010000-0x00000000755BB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads