nanocore | f0dcca6b9180b4beb366431844bf54bfc8c56d5e1d206868a9dc0ef309c4fcca

General

Target

720088308879dde2aefb284c3addc900_JaffaCakes118.exe
Size

450KB
MD5

720088308879dde2aefb284c3addc900
SHA1

a25c4b33aa01ed8246e265f5183b5a4a66ca5d83
SHA256

f0dcca6b9180b4beb366431844bf54bfc8c56d5e1d206868a9dc0ef309c4fcca
SHA512

3c922923d53dd753815ef4711dbaf8fd199a5cf60aca50cca813f9d44ccb2449d38448c06876ec3221269a7050ff924f0ba7c3f32359e5b3ff10ddf501acd4ac
SSDEEP

12288:gMwXwfyDuk6t6BpjLjB3hAIEtApiVDi4G4JaF:gMwXwfyPhrjLjFhAIEGili4

Score

10^/10

nanocore evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

79.134.225.117:2180

Mutex

95c86e36-934d-4822-aa79-e79b9452956c

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-07-14T12:56:32.513781736Z
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
2180
default_group
Purchase Order
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
95c86e36-934d-4822-aa79-e79b9452956c
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
79.134.225.117
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

Modifies Windows Defender Real-time Protection settings 3 TTPs 4 IoCs

evasion trojan

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify Tools

T1562.001

Processes:

720088308879dde2aefb284c3addc900_JaffaCakes118.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	720088308879dde2aefb284c3addc900_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	720088308879dde2aefb284c3addc900_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	720088308879dde2aefb284c3addc900_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	720088308879dde2aefb284c3addc900_JaffaCakes118.exe

NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
keylogger trojan stealer spyware nanocore

Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

720088308879dde2aefb284c3addc900_JaffaCakes118.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Oracle\VirtualBox Guest Additions	720088308879dde2aefb284c3addc900_JaffaCakes118.exe

Looks for VMWare Tools registry key 2 TTPs 1 IoCs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

720088308879dde2aefb284c3addc900_JaffaCakes118.exe

description ioc process

Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\VMware, Inc.\VMware Tools 720088308879dde2aefb284c3addc900_JaffaCakes118.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\VMware, Inc.\VMware Tools	720088308879dde2aefb284c3addc900_JaffaCakes118.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

720088308879dde2aefb284c3addc900_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	720088308879dde2aefb284c3addc900_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	720088308879dde2aefb284c3addc900_JaffaCakes118.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

720088308879dde2aefb284c3addc900_JaffaCakes118.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features	720088308879dde2aefb284c3addc900_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	720088308879dde2aefb284c3addc900_JaffaCakes118.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

720088308879dde2aefb284c3addc900_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	720088308879dde2aefb284c3addc900_JaffaCakes118.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

720088308879dde2aefb284c3addc900_JaffaCakes118.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	720088308879dde2aefb284c3addc900_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	720088308879dde2aefb284c3addc900_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

720088308879dde2aefb284c3addc900_JaffaCakes118.exe

description	pid	process	target process
PID 2000 set thread context of 2432	2000	720088308879dde2aefb284c3addc900_JaffaCakes118.exe	720088308879dde2aefb284c3addc900_JaffaCakes118.exe

Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

300 schtasks.exe

pid	process
300	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

powershell.exe720088308879dde2aefb284c3addc900_JaffaCakes118.exe720088308879dde2aefb284c3addc900_JaffaCakes118.exe

pid	process
2364	powershell.exe
2000	720088308879dde2aefb284c3addc900_JaffaCakes118.exe
2432	720088308879dde2aefb284c3addc900_JaffaCakes118.exe
2432	720088308879dde2aefb284c3addc900_JaffaCakes118.exe
2432	720088308879dde2aefb284c3addc900_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

720088308879dde2aefb284c3addc900_JaffaCakes118.exe

pid process

2432 720088308879dde2aefb284c3addc900_JaffaCakes118.exe

pid	process
2432	720088308879dde2aefb284c3addc900_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

powershell.exe720088308879dde2aefb284c3addc900_JaffaCakes118.exe720088308879dde2aefb284c3addc900_JaffaCakes118.exe

description	pid	process
Token: SeDebugPrivilege	2364	powershell.exe
Token: SeDebugPrivilege	2000	720088308879dde2aefb284c3addc900_JaffaCakes118.exe
Token: SeDebugPrivilege	2432	720088308879dde2aefb284c3addc900_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

720088308879dde2aefb284c3addc900_JaffaCakes118.exe720088308879dde2aefb284c3addc900_JaffaCakes118.exe

description	pid	process	target process
PID 2000 wrote to memory of 2364	2000	720088308879dde2aefb284c3addc900_JaffaCakes118.exe	powershell.exe
PID 2000 wrote to memory of 2364	2000	720088308879dde2aefb284c3addc900_JaffaCakes118.exe	powershell.exe
PID 2000 wrote to memory of 2364	2000	720088308879dde2aefb284c3addc900_JaffaCakes118.exe	powershell.exe
PID 2000 wrote to memory of 2364	2000	720088308879dde2aefb284c3addc900_JaffaCakes118.exe	powershell.exe
PID 2000 wrote to memory of 2432	2000	720088308879dde2aefb284c3addc900_JaffaCakes118.exe	720088308879dde2aefb284c3addc900_JaffaCakes118.exe
PID 2000 wrote to memory of 2432	2000	720088308879dde2aefb284c3addc900_JaffaCakes118.exe	720088308879dde2aefb284c3addc900_JaffaCakes118.exe
PID 2000 wrote to memory of 2432	2000	720088308879dde2aefb284c3addc900_JaffaCakes118.exe	720088308879dde2aefb284c3addc900_JaffaCakes118.exe
PID 2000 wrote to memory of 2432	2000	720088308879dde2aefb284c3addc900_JaffaCakes118.exe	720088308879dde2aefb284c3addc900_JaffaCakes118.exe
PID 2000 wrote to memory of 2432	2000	720088308879dde2aefb284c3addc900_JaffaCakes118.exe	720088308879dde2aefb284c3addc900_JaffaCakes118.exe
PID 2000 wrote to memory of 2432	2000	720088308879dde2aefb284c3addc900_JaffaCakes118.exe	720088308879dde2aefb284c3addc900_JaffaCakes118.exe
PID 2000 wrote to memory of 2432	2000	720088308879dde2aefb284c3addc900_JaffaCakes118.exe	720088308879dde2aefb284c3addc900_JaffaCakes118.exe
PID 2000 wrote to memory of 2432	2000	720088308879dde2aefb284c3addc900_JaffaCakes118.exe	720088308879dde2aefb284c3addc900_JaffaCakes118.exe
PID 2000 wrote to memory of 2432	2000	720088308879dde2aefb284c3addc900_JaffaCakes118.exe	720088308879dde2aefb284c3addc900_JaffaCakes118.exe
PID 2432 wrote to memory of 300	2432	720088308879dde2aefb284c3addc900_JaffaCakes118.exe	schtasks.exe
PID 2432 wrote to memory of 300	2432	720088308879dde2aefb284c3addc900_JaffaCakes118.exe	schtasks.exe
PID 2432 wrote to memory of 300	2432	720088308879dde2aefb284c3addc900_JaffaCakes118.exe	schtasks.exe
PID 2432 wrote to memory of 300	2432	720088308879dde2aefb284c3addc900_JaffaCakes118.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\720088308879dde2aefb284c3addc900_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\720088308879dde2aefb284c3addc900_JaffaCakes118.exe"
1⤵
- Modifies Windows Defender Real-time Protection settings
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Windows security modification
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2000

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"powershell" Get-MpPreference -verbose
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2364

C:\Users\Admin\AppData\Local\Temp\720088308879dde2aefb284c3addc900_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\720088308879dde2aefb284c3addc900_JaffaCakes118.exe"
2⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2432

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DHCP Host" /xml "C:\Users\Admin\AppData\Local\Temp\tmpECCF.tmp"
3⤵
- Creates scheduled task(s)
PID:300

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Create or Modify System Process

1

T1543

Windows Service

Scheduled Task/Job

Privilege Escalation

Create or Modify System Process

1

T1543

Windows Service

Scheduled Task/Job

Defense Evasion

Impair Defenses

2

T1562

Disable or Modify Tools

Modify Registry

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

3

T1082

Virtualization/Sandbox Evasion

2

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
1KB

MD5
93902121d4679a264870909a5f2fa1a1

SHA1
14983ff10a07c739456a0808f0031b451bfa9302

SHA256
434ee68902f6df0e2c6227ece29fa8b5bcc10962ce2c07561331452e60a256f2

SHA512
249ee6da5b0b6dab5cb8763f4805b7264d4401ca07b1defeaefd9eaa1ef02ad3805a12c87544558c3fa4c0d8d598b0a68fe13005d6979e51f216f04f95587f9f

Download Submit
memory/2000-0-0x000000007423E000-0x000000007423F000-memory.dmp

Filesize
4KB

Download
memory/2000-1-0x0000000001070000-0x00000000010E6000-memory.dmp

Filesize
472KB

Download
memory/2000-2-0x0000000004D80000-0x0000000004D8A000-memory.dmp

Filesize
40KB

Download
memory/2000-3-0x0000000074230000-0x000000007491E000-memory.dmp

Filesize
6.9MB

Download
memory/2000-4-0x000000007423E000-0x000000007423F000-memory.dmp

Filesize
4KB

Download
memory/2000-5-0x0000000074230000-0x000000007491E000-memory.dmp

Filesize
6.9MB

Download
memory/2000-6-0x0000000005580000-0x00000000055DC000-memory.dmp

Filesize
368KB

Download
memory/2000-7-0x0000000000680000-0x00000000006BC000-memory.dmp

Filesize
240KB

Download
memory/2000-31-0x0000000074230000-0x000000007491E000-memory.dmp

Filesize
6.9MB

Download
memory/2364-14-0x000000006F2D0000-0x000000006F87B000-memory.dmp

Filesize
5.7MB

Download
memory/2364-12-0x000000006F2D0000-0x000000006F87B000-memory.dmp

Filesize
5.7MB

Download
memory/2364-11-0x000000006F2D0000-0x000000006F87B000-memory.dmp

Filesize
5.7MB

Download
memory/2364-15-0x000000006F2D0000-0x000000006F87B000-memory.dmp

Filesize
5.7MB

Download
memory/2364-10-0x000000006F2D1000-0x000000006F2D2000-memory.dmp

Filesize
4KB

Download
memory/2364-13-0x000000006F2D0000-0x000000006F87B000-memory.dmp

Filesize
5.7MB

Download
memory/2432-21-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2432-19-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2432-27-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2432-18-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2432-30-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2432-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2432-25-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2432-16-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2432-36-0x0000000000630000-0x000000000063A000-memory.dmp

Filesize
40KB

Download
memory/2432-37-0x0000000000690000-0x00000000006AE000-memory.dmp

Filesize
120KB

Download
memory/2432-38-0x0000000000640000-0x000000000064A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads