nanocore | 2db7cd1f54eb77ad7f41ab2acaf6db56b08c4a257c293c1a59ff6ba1a880dc67

General

Target

fc073d184823f14d6b8e2ac32687c388_JaffaCakes118.exe
Size

453KB
MD5

fc073d184823f14d6b8e2ac32687c388
SHA1

750aa1665cd1e92bff585ca0cf867c0c9d5e62b9
SHA256

2db7cd1f54eb77ad7f41ab2acaf6db56b08c4a257c293c1a59ff6ba1a880dc67
SHA512

f9512bb78dfcc98e27397d36c9ea0f810fc32858c43278be5ec03bcf2fac9f870fa46086d0d89f58025ae920f7f9fe39e982d5c285001416c1629cde4b03c1b5
SSDEEP

12288:qMvxMb7KkM8GzodwfPQfyLZ1XSKeqtpMPR2El:qMvxEm9zm+PWeNMPg

Score

10^/10

nanocore discovery evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

185.244.30.99:2346

dish123newpro.publicvm.com:2346

Mutex

e8beec1b-867e-4791-bc74-957fe35d1cc7

Attributes

activate_away_mode
true
backup_connection_host
dish123newpro.publicvm.com
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2018-11-11T22:49:50.303838236Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
2346
default_group
NAPORT2346
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
e8beec1b-867e-4791-bc74-957fe35d1cc7
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
185.244.30.99
primary_dns_server
8.8.8.8
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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	fc073d184823f14d6b8e2ac32687c388_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 4628 set thread context of 3428	4628	fc073d184823f14d6b8e2ac32687c388_JaffaCakes118.exe	93

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 3 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	fc073d184823f14d6b8e2ac32687c388_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
4840	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
4628	fc073d184823f14d6b8e2ac32687c388_JaffaCakes118.exe
4628	fc073d184823f14d6b8e2ac32687c388_JaffaCakes118.exe
3428	RegAsm.exe
3428	RegAsm.exe
3428	RegAsm.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3428	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4628	fc073d184823f14d6b8e2ac32687c388_JaffaCakes118.exe
Token: SeDebugPrivilege	3428	RegAsm.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4628 wrote to memory of 4840	4628	fc073d184823f14d6b8e2ac32687c388_JaffaCakes118.exe	91
PID 4628 wrote to memory of 4840	4628	fc073d184823f14d6b8e2ac32687c388_JaffaCakes118.exe	91
PID 4628 wrote to memory of 4840	4628	fc073d184823f14d6b8e2ac32687c388_JaffaCakes118.exe	91
PID 4628 wrote to memory of 3428	4628	fc073d184823f14d6b8e2ac32687c388_JaffaCakes118.exe	93
PID 4628 wrote to memory of 3428	4628	fc073d184823f14d6b8e2ac32687c388_JaffaCakes118.exe	93
PID 4628 wrote to memory of 3428	4628	fc073d184823f14d6b8e2ac32687c388_JaffaCakes118.exe	93
PID 4628 wrote to memory of 3428	4628	fc073d184823f14d6b8e2ac32687c388_JaffaCakes118.exe	93
PID 4628 wrote to memory of 3428	4628	fc073d184823f14d6b8e2ac32687c388_JaffaCakes118.exe	93
PID 4628 wrote to memory of 3428	4628	fc073d184823f14d6b8e2ac32687c388_JaffaCakes118.exe	93
PID 4628 wrote to memory of 3428	4628	fc073d184823f14d6b8e2ac32687c388_JaffaCakes118.exe	93
PID 4628 wrote to memory of 3428	4628	fc073d184823f14d6b8e2ac32687c388_JaffaCakes118.exe	93

C:\Users\Admin\AppData\Local\Temp\fc073d184823f14d6b8e2ac32687c388_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fc073d184823f14d6b8e2ac32687c388_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4628
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\lyhQbCjQnAUX" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3D43.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4840
- 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
  PID:3428

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

Query Registry

1

T1012

System Information Discovery

3

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmp3D43.tmp

Filesize
1KB

MD5
545932f84b23cab6f6dfb4441e9a11e6

SHA1
841ec741201d8b1ad858e2eb4bb414b33546cfaf

SHA256
a0c68b6f80ef58e0782763e7bc5be9e58036eeb1d1619874f04fb1740291d172

SHA512
a1b1c5a801ff997f2bf48eda773d2515e2264aad6811a99459e4c66890c1bbe323b1e3fc8935d9bb1e2bef07707da3bec325dff15026794f17b13e666040c9d3

Download Submit
memory/3428-15-0x0000000075350000-0x0000000075901000-memory.dmp

Filesize
5.7MB

Download
memory/3428-13-0x0000000075350000-0x0000000075901000-memory.dmp

Filesize
5.7MB

Download
memory/3428-12-0x0000000075350000-0x0000000075901000-memory.dmp

Filesize
5.7MB

Download
memory/3428-10-0x0000000075350000-0x0000000075901000-memory.dmp

Filesize
5.7MB

Download
memory/3428-8-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4628-3-0x0000000075350000-0x0000000075901000-memory.dmp

Filesize
5.7MB

Download
memory/4628-5-0x0000000075350000-0x0000000075901000-memory.dmp

Filesize
5.7MB

Download
memory/4628-4-0x0000000075352000-0x0000000075353000-memory.dmp

Filesize
4KB

Download
memory/4628-11-0x0000000075350000-0x0000000075901000-memory.dmp

Filesize
5.7MB

Download
memory/4628-0-0x0000000075352000-0x0000000075353000-memory.dmp

Filesize
4KB

Download
memory/4628-2-0x0000000075350000-0x0000000075901000-memory.dmp

Filesize
5.7MB

Download
memory/4628-1-0x0000000075350000-0x0000000075901000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads