nanocore | 4d6ac0adc919d2c8ada7c86dae3a895272e951153b806e482f703b78b445129c

General

Target

f1d74a350f5ae783abb7a2c39c66c732_JaffaCakes118.exe
Size

2.1MB
MD5

f1d74a350f5ae783abb7a2c39c66c732
SHA1

3add02a7359086315b51d207cb27e25f90b47de1
SHA256

4d6ac0adc919d2c8ada7c86dae3a895272e951153b806e482f703b78b445129c
SHA512

78a2dc5d9b754c045d7a5b2c59e834a2a05d4b6c683cae53a96e50491bd306d21922bb7e7e59bd2396861f6ef0c3ec3a7409409d8b6b6ba06b116ad37652d2a5
SSDEEP

24576:6AHnh+eWsN3skA4RV1Hom2KXMmHaJtFTfr/xX9wLi0XV8pul3mTuBfwPwrxn87Fz:Nh+ZkldoPK8YaTFTx

Score

10^/10

nanocore discovery evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

book234.mooo.com:867

185.247.228.10:867

Mutex

eadee46a-bbc1-4b7d-b7f5-d9069dee7078

Attributes

activate_away_mode
true
backup_connection_host
185.247.228.10
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2018-12-29T00:58:24.005378136Z
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
867
default_group
Default
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
eadee46a-bbc1-4b7d-b7f5-d9069dee7078
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
book234.mooo.com
primary_dns_server
8.8.8.8
request_elevation
true
restart_delay
5000
run_delay
3
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\stordiag.url	f1d74a350f5ae783abb7a2c39c66c732_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 4488 set thread context of 4548	4488	f1d74a350f5ae783abb7a2c39c66c732_JaffaCakes118.exe	82

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	f1d74a350f5ae783abb7a2c39c66c732_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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
3436	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
4488	f1d74a350f5ae783abb7a2c39c66c732_JaffaCakes118.exe
4488	f1d74a350f5ae783abb7a2c39c66c732_JaffaCakes118.exe
4488	f1d74a350f5ae783abb7a2c39c66c732_JaffaCakes118.exe
4488	f1d74a350f5ae783abb7a2c39c66c732_JaffaCakes118.exe
4548	RegAsm.exe
4548	RegAsm.exe
4548	RegAsm.exe
4548	RegAsm.exe
4548	RegAsm.exe
4548	RegAsm.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4548	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4548	RegAsm.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4488 wrote to memory of 4548	4488	f1d74a350f5ae783abb7a2c39c66c732_JaffaCakes118.exe	82
PID 4488 wrote to memory of 4548	4488	f1d74a350f5ae783abb7a2c39c66c732_JaffaCakes118.exe	82
PID 4488 wrote to memory of 4548	4488	f1d74a350f5ae783abb7a2c39c66c732_JaffaCakes118.exe	82
PID 4488 wrote to memory of 4548	4488	f1d74a350f5ae783abb7a2c39c66c732_JaffaCakes118.exe	82
PID 4488 wrote to memory of 4548	4488	f1d74a350f5ae783abb7a2c39c66c732_JaffaCakes118.exe	82
PID 4548 wrote to memory of 3436	4548	RegAsm.exe	83
PID 4548 wrote to memory of 3436	4548	RegAsm.exe	83
PID 4548 wrote to memory of 3436	4548	RegAsm.exe	83

C:\Users\Admin\AppData\Local\Temp\f1d74a350f5ae783abb7a2c39c66c732_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f1d74a350f5ae783abb7a2c39c66c732_JaffaCakes118.exe"
1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4488
- 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:4548
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "DNS Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmp9FE9.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3436

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\tmp9FE9.tmp

Filesize
1KB

MD5
c6f0625bf4c1cdfb699980c9243d3b22

SHA1
43de1fe580576935516327f17b5da0c656c72851

SHA256
8dfc4e937f0b2374e3ced25fce344b0731cf44b8854625b318d50ece2da8f576

SHA512
9ef2dbd4142ad0e1e6006929376ecb8011e7ffc801ee2101e906787d70325ad82752df65839de9972391fa52e1e5974ec1a5c7465a88aa56257633ebb7d70969

Download Submit
memory/4488-0-0x0000000003920000-0x0000000003921000-memory.dmp

Filesize
4KB

Download
memory/4548-1-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/4548-7-0x0000000075282000-0x0000000075283000-memory.dmp

Filesize
4KB

Download
memory/4548-8-0x0000000075280000-0x0000000075831000-memory.dmp

Filesize
5.7MB

Download
memory/4548-9-0x0000000075280000-0x0000000075831000-memory.dmp

Filesize
5.7MB

Download
memory/4548-14-0x0000000075282000-0x0000000075283000-memory.dmp

Filesize
4KB

Download
memory/4548-15-0x0000000075280000-0x0000000075831000-memory.dmp

Filesize
5.7MB

Download
memory/4548-16-0x0000000075280000-0x0000000075831000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads