nanocore | 597baa2b442206336c582937353817b978ea97a86be5a864af1c94599dc2ca55

General

Target

500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe
Size

667KB
MD5

500962576bc4fd9b1237f91c0741ea48
SHA1

4dbcb033fc08f70d39c709b01350aec92b2de97c
SHA256

597baa2b442206336c582937353817b978ea97a86be5a864af1c94599dc2ca55
SHA512

ee2a89503c332c114a8707a1b3ade20ef0d84c7f3c3d7d57e7d9abd08e40c8a54d6741b4fcd7ecb9280c32a5544347716d2c8888319b6bf90851f4dc43709625
SSDEEP

12288:nodKXOQloiDb8jJGmE5hMfHCebIg6Dx0Wk:nvlRb8j4NEHB8T0W

Score

10^/10

nanocore evasion execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

185.140.53.232:1042

127.0.0.1:1042

Mutex

270c5884-2ace-4cf3-aa33-1d77aaa4b610

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-07-16T13:20:56.609349336Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
1042
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
270c5884-2ace-4cf3-aa33-1d77aaa4b610
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
185.140.53.232
primary_dns_server
8.8.8.8
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
Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
execution

PowerShell
T1059.001

Processes:

powershell.exe

pid process

5072 powershell.exe

pid	process
5072	powershell.exe

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

Processes:

500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\Control Panel\International\Geo\Nation	500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\NAT Subsystem = "C:\\Program Files (x86)\\NAT Subsystem\\natss.exe"	500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe

description	pid	process	target process
PID 4000 set thread context of 2148	4000	500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe	500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe

Drops file in Program Files directory 2 IoCs

Processes:

500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe

description	ioc	process
File created	C:\Program Files (x86)\NAT Subsystem\natss.exe	500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\NAT Subsystem\natss.exe	500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe

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

System Information Discovery
T1082
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

Processes:

schtasks.exe

pid process

1536 schtasks.exe

pid	process
1536	schtasks.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

Processes:

500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exepowershell.exe500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe

pid	process
4000	500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe
4000	500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe
4000	500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe
4000	500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe
4000	500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe
4000	500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe
4000	500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe
4000	500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe
4000	500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe
4000	500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe
4000	500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe
5072	powershell.exe
2148	500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe
2148	500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe
2148	500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe
5072	powershell.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe

pid process

2148 500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe

pid	process
2148	500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exepowershell.exe500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe

description	pid	process
Token: SeDebugPrivilege	4000	500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe
Token: SeDebugPrivilege	5072	powershell.exe
Token: SeDebugPrivilege	2148	500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4000

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe"
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5072

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XvbhYvj" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBA33.tmp"
2⤵
- Scheduled Task/Job: Scheduled Task
PID:1536

C:\Users\Admin\AppData\Local\Temp\500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe"
2⤵
PID:2160

C:\Users\Admin\AppData\Local\Temp\500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe"
2⤵
PID:3140

C:\Users\Admin\AppData\Local\Temp\500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe"
2⤵
- 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:2148

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ulfvwwib.ae3.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2148-72-0x0000000074650000-0x0000000074E00000-memory.dmp

Filesize
7.7MB

Download
memory/2148-25-0x0000000074650000-0x0000000074E00000-memory.dmp

Filesize
7.7MB

Download
memory/2148-38-0x00000000055C0000-0x00000000055DE000-memory.dmp

Filesize
120KB

Download
memory/2148-23-0x0000000074650000-0x0000000074E00000-memory.dmp

Filesize
7.7MB

Download
memory/2148-39-0x00000000057B0000-0x00000000057BA000-memory.dmp

Filesize
40KB

Download
memory/2148-36-0x00000000052C0000-0x00000000052CA000-memory.dmp

Filesize
40KB

Download
memory/2148-17-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2148-71-0x0000000074650000-0x0000000074E00000-memory.dmp

Filesize
7.7MB

Download
memory/4000-5-0x0000000074650000-0x0000000074E00000-memory.dmp

Filesize
7.7MB

Download
memory/4000-10-0x00000000068D0000-0x000000000692E000-memory.dmp

Filesize
376KB

Download
memory/4000-9-0x0000000074650000-0x0000000074E00000-memory.dmp

Filesize
7.7MB

Download
memory/4000-8-0x000000007465E000-0x000000007465F000-memory.dmp

Filesize
4KB

Download
memory/4000-7-0x0000000005050000-0x0000000005062000-memory.dmp

Filesize
72KB

Download
memory/4000-6-0x00000000051A0000-0x000000000523C000-memory.dmp

Filesize
624KB

Download
memory/4000-0-0x000000007465E000-0x000000007465F000-memory.dmp

Filesize
4KB

Download
memory/4000-22-0x0000000074650000-0x0000000074E00000-memory.dmp

Filesize
7.7MB

Download
memory/4000-4-0x0000000005010000-0x000000000501A000-memory.dmp

Filesize
40KB

Download
memory/4000-3-0x0000000004E60000-0x0000000004EF2000-memory.dmp

Filesize
584KB

Download
memory/4000-2-0x00000000054C0000-0x0000000005A64000-memory.dmp

Filesize
5.6MB

Download
memory/4000-1-0x0000000000420000-0x00000000004CC000-memory.dmp

Filesize
688KB

Download
memory/5072-27-0x00000000055D0000-0x0000000005636000-memory.dmp

Filesize
408KB

Download
memory/5072-59-0x0000000007740000-0x0000000007DBA000-memory.dmp

Filesize
6.5MB

Download
memory/5072-26-0x0000000004F00000-0x0000000004F22000-memory.dmp

Filesize
136KB

Download
memory/5072-24-0x0000000074650000-0x0000000074E00000-memory.dmp

Filesize
7.7MB

Download
memory/5072-21-0x0000000004FA0000-0x00000000055C8000-memory.dmp

Filesize
6.2MB

Download
memory/5072-37-0x00000000057B0000-0x0000000005B04000-memory.dmp

Filesize
3.3MB

Download
memory/5072-20-0x0000000074650000-0x0000000074E00000-memory.dmp

Filesize
7.7MB

Download
memory/5072-44-0x0000000005DD0000-0x0000000005DEE000-memory.dmp

Filesize
120KB

Download
memory/5072-45-0x0000000005E60000-0x0000000005EAC000-memory.dmp

Filesize
304KB

Download
memory/5072-46-0x00000000063A0000-0x00000000063D2000-memory.dmp

Filesize
200KB

Download
memory/5072-57-0x0000000006380000-0x000000000639E000-memory.dmp

Filesize
120KB

Download
memory/5072-47-0x0000000070230000-0x000000007027C000-memory.dmp

Filesize
304KB

Download
memory/5072-58-0x0000000006DC0000-0x0000000006E63000-memory.dmp

Filesize
652KB

Download
memory/5072-28-0x0000000005640000-0x00000000056A6000-memory.dmp

Filesize
408KB

Download
memory/5072-60-0x00000000070F0000-0x000000000710A000-memory.dmp

Filesize
104KB

Download
memory/5072-61-0x0000000007160000-0x000000000716A000-memory.dmp

Filesize
40KB

Download
memory/5072-62-0x0000000007370000-0x0000000007406000-memory.dmp

Filesize
600KB

Download
memory/5072-63-0x00000000072F0000-0x0000000007301000-memory.dmp

Filesize
68KB

Download
memory/5072-64-0x0000000007320000-0x000000000732E000-memory.dmp

Filesize
56KB

Download
memory/5072-65-0x0000000007330000-0x0000000007344000-memory.dmp

Filesize
80KB

Download
memory/5072-66-0x0000000007430000-0x000000000744A000-memory.dmp

Filesize
104KB

Download
memory/5072-67-0x0000000007410000-0x0000000007418000-memory.dmp

Filesize
32KB

Download
memory/5072-70-0x0000000074650000-0x0000000074E00000-memory.dmp

Filesize
7.7MB

Download
memory/5072-18-0x0000000074650000-0x0000000074E00000-memory.dmp

Filesize
7.7MB

Download
memory/5072-16-0x00000000024C0000-0x00000000024F6000-memory.dmp

Filesize
216KB

Download

description	pid	process	target process
PID 4000 wrote to memory of 5072	4000	500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe	powershell.exe
PID 4000 wrote to memory of 5072	4000	500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe	powershell.exe
PID 4000 wrote to memory of 5072	4000	500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe	powershell.exe
PID 4000 wrote to memory of 1536	4000	500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe	schtasks.exe
PID 4000 wrote to memory of 1536	4000	500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe	schtasks.exe
PID 4000 wrote to memory of 1536	4000	500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe	schtasks.exe
PID 4000 wrote to memory of 2160	4000	500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe	500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe
PID 4000 wrote to memory of 2160	4000	500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe	500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe
PID 4000 wrote to memory of 2160	4000	500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe	500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe
PID 4000 wrote to memory of 3140	4000	500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe	500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe
PID 4000 wrote to memory of 3140	4000	500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe	500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe
PID 4000 wrote to memory of 3140	4000	500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe	500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe
PID 4000 wrote to memory of 2148	4000	500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe	500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe
PID 4000 wrote to memory of 2148	4000	500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe	500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe
PID 4000 wrote to memory of 2148	4000	500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe	500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe
PID 4000 wrote to memory of 2148	4000	500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe	500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe
PID 4000 wrote to memory of 2148	4000	500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe	500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe
PID 4000 wrote to memory of 2148	4000	500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe	500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe
PID 4000 wrote to memory of 2148	4000	500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe	500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe
PID 4000 wrote to memory of 2148	4000	500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe	500962576bc4fd9b1237f91c0741ea48_JaffaCakes118.exe

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads