nanocore | 7fe5f06d04390dd22e1065491c43c33dbebd03400826897c814db8d10469a8eb

General

Target

ef54d89e67fd0ad61aeb9bc20f7a40db_JaffaCakes118.exe
Size

528KB
MD5

ef54d89e67fd0ad61aeb9bc20f7a40db
SHA1

98273fb846c417173a5581ecad7ef6eb48f98240
SHA256

7fe5f06d04390dd22e1065491c43c33dbebd03400826897c814db8d10469a8eb
SHA512

08dec8c71e0f0c8a0f647c86d42a18c419d32561dda9c8b8be26732981ac16bb9c15f49ae5473eeb5f944c26cf37dd3df1372c1730c9d70574a7aeac0536a240
SSDEEP

6144:cJpoOk80HopeWE3pie+yd9SqUd2RMs6BhSvyN9oegPM:cJpoOk/HoIWze+29SqU0RMshvQKegPM

Score

10^/10

nanocore discovery evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

datalogsbackups.hopto.org:2233

127.0.0.1:2233

Mutex

d83c95eb-b166-471e-8526-3db8acfd7ed7

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
buffer_size
65535
build_time
2018-07-06T00:29:59.077169836Z
bypass_user_account_control
false
bypass_user_account_control_data
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
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
2233
default_group
CASH OUT
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
d83c95eb-b166-471e-8526-3db8acfd7ed7
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
datalogsbackups.hopto.org
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
1.2.2.0
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

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svhost.exe.url	ef54d89e67fd0ad61aeb9bc20f7a40db_JaffaCakes118.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	RegAsm.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3508 set thread context of 2132	3508	ef54d89e67fd0ad61aeb9bc20f7a40db_JaffaCakes118.exe	93

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ef54d89e67fd0ad61aeb9bc20f7a40db_JaffaCakes118.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
748	schtasks.exe
3700	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
3508	ef54d89e67fd0ad61aeb9bc20f7a40db_JaffaCakes118.exe
3508	ef54d89e67fd0ad61aeb9bc20f7a40db_JaffaCakes118.exe
2132	RegAsm.exe
2132	RegAsm.exe
2132	RegAsm.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2132	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3508	ef54d89e67fd0ad61aeb9bc20f7a40db_JaffaCakes118.exe
Token: SeDebugPrivilege	2132	RegAsm.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 3508 wrote to memory of 2904	3508	ef54d89e67fd0ad61aeb9bc20f7a40db_JaffaCakes118.exe	89
PID 3508 wrote to memory of 2904	3508	ef54d89e67fd0ad61aeb9bc20f7a40db_JaffaCakes118.exe	89
PID 3508 wrote to memory of 2904	3508	ef54d89e67fd0ad61aeb9bc20f7a40db_JaffaCakes118.exe	89
PID 3508 wrote to memory of 748	3508	ef54d89e67fd0ad61aeb9bc20f7a40db_JaffaCakes118.exe	91
PID 3508 wrote to memory of 748	3508	ef54d89e67fd0ad61aeb9bc20f7a40db_JaffaCakes118.exe	91
PID 3508 wrote to memory of 748	3508	ef54d89e67fd0ad61aeb9bc20f7a40db_JaffaCakes118.exe	91
PID 3508 wrote to memory of 2132	3508	ef54d89e67fd0ad61aeb9bc20f7a40db_JaffaCakes118.exe	93
PID 3508 wrote to memory of 2132	3508	ef54d89e67fd0ad61aeb9bc20f7a40db_JaffaCakes118.exe	93
PID 3508 wrote to memory of 2132	3508	ef54d89e67fd0ad61aeb9bc20f7a40db_JaffaCakes118.exe	93
PID 3508 wrote to memory of 2132	3508	ef54d89e67fd0ad61aeb9bc20f7a40db_JaffaCakes118.exe	93
PID 3508 wrote to memory of 2132	3508	ef54d89e67fd0ad61aeb9bc20f7a40db_JaffaCakes118.exe	93
PID 3508 wrote to memory of 2132	3508	ef54d89e67fd0ad61aeb9bc20f7a40db_JaffaCakes118.exe	93
PID 3508 wrote to memory of 2132	3508	ef54d89e67fd0ad61aeb9bc20f7a40db_JaffaCakes118.exe	93
PID 3508 wrote to memory of 2132	3508	ef54d89e67fd0ad61aeb9bc20f7a40db_JaffaCakes118.exe	93
PID 2132 wrote to memory of 3700	2132	RegAsm.exe	94
PID 2132 wrote to memory of 3700	2132	RegAsm.exe	94
PID 2132 wrote to memory of 3700	2132	RegAsm.exe	94

C:\Users\Admin\AppData\Local\Temp\ef54d89e67fd0ad61aeb9bc20f7a40db_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ef54d89e67fd0ad61aeb9bc20f7a40db_JaffaCakes118.exe"
1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3508
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /query
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2904
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /sc MINUTE /tn svhost.exe /MO 1 /tr "C:\Users\Admin\AppData\Roaming\svhost\svhost.exe\
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:748
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2132
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "WPA Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmp749E.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3700

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=3768,i,15336851255456239337,16379811035920490645,262144 --variations-seed-version --mojo-platform-channel-handle=4012 /prefetch:8
1⤵
PID:3088

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

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\Temp\tmp749E.tmp

Filesize
1KB

MD5
c6f0625bf4c1cdfb699980c9243d3b22

SHA1
43de1fe580576935516327f17b5da0c656c72851

SHA256
8dfc4e937f0b2374e3ced25fce344b0731cf44b8854625b318d50ece2da8f576

SHA512
9ef2dbd4142ad0e1e6006929376ecb8011e7ffc801ee2101e906787d70325ad82752df65839de9972391fa52e1e5974ec1a5c7465a88aa56257633ebb7d70969

Download Submit
memory/2132-12-0x0000000074B30000-0x00000000750E1000-memory.dmp

Filesize
5.7MB

Download
memory/2132-8-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2132-10-0x0000000074B32000-0x0000000074B33000-memory.dmp

Filesize
4KB

Download
memory/2132-11-0x0000000074B30000-0x00000000750E1000-memory.dmp

Filesize
5.7MB

Download
memory/2132-17-0x0000000074B32000-0x0000000074B33000-memory.dmp

Filesize
4KB

Download
memory/2132-18-0x0000000074B30000-0x00000000750E1000-memory.dmp

Filesize
5.7MB

Download
memory/2132-19-0x0000000074B30000-0x00000000750E1000-memory.dmp

Filesize
5.7MB

Download
memory/3508-2-0x00000000032D0000-0x0000000003314000-memory.dmp

Filesize
272KB

Download
memory/3508-3-0x0000000005800000-0x000000000580C000-memory.dmp

Filesize
48KB

Download
memory/3508-6-0x0000000005850000-0x0000000005888000-memory.dmp

Filesize
224KB

Download
memory/3508-7-0x0000000005960000-0x00000000059FC000-memory.dmp

Filesize
624KB

Download
memory/3508-0-0x000000007494E000-0x000000007494F000-memory.dmp

Filesize
4KB

Download
memory/3508-1-0x0000000000FF0000-0x0000000001062000-memory.dmp

Filesize
456KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads