nanocore | cb3ec57389ef463a58a5721042355cda8d227c151ea528e949817534e214bdc8

General

Target

b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe
Size

1.1MB
MD5

b08b3e32d70824efc376be391784dc48
SHA1

5697e5cbdf89875fcde4e0138502e2c5fd5c2158
SHA256

cb3ec57389ef463a58a5721042355cda8d227c151ea528e949817534e214bdc8
SHA512

316887470946ab9d046d290f4ff4f7bc2dae1039e48d0c9d614992e23e56b6354260b8c477f374035aa68f2c2d28cd65c4cb46c20c3d34f6696bf65619eb08b1
SSDEEP

12288:6BkjXoeDZJ7Y4jhWaItUs9jS4/lMmmGvgwV9iSCnnRs3bCa8QHmaqOY3haOp9nHP:6CXo6ZVY4jqS5Q81RsfHmkY3t6L

Score

10^/10

nanocore discovery evasion execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

timmy01.ddns.net:39399

timmy005.ddns.net:39399

Mutex

924ff6b4-65b7-475c-a744-25c39eaa2d77

Attributes

activate_away_mode
true
backup_connection_host
timmy005.ddns.net
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-12-03T14:32:05.909912836Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
false
clear_zone_identifier
false
connect_delay
4000
connection_port
39399
default_group
FEBUARY 2021
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
924ff6b4-65b7-475c-a744-25c39eaa2d77
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
timmy01.ddns.net
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
Nanocore family
nanocore

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

Processes:

powershell.exepowershell.exepowershell.exe

pid	Process
2788	powershell.exe
1336	powershell.exe
1992	powershell.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\WPA Service = "C:\\Program Files (x86)\\WPA Service\\wpasv.exe"	b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe

description	pid	Process	procid_target
PID 2548 set thread context of 1468	2548	b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe	38

Drops file in Program Files directory 2 IoCs

Processes:

b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe

description	ioc	Process
File created	C:\Program Files (x86)\WPA Service\wpasv.exe	b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\WPA Service\wpasv.exe	b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe

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 6 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

Processes:

powershell.exeb08b3e32d70824efc376be391784dc48_JaffaCakes118.exeb08b3e32d70824efc376be391784dc48_JaffaCakes118.exepowershell.exepowershell.exeschtasks.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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

Processes:

schtasks.exe

pid	Process
2192	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

b08b3e32d70824efc376be391784dc48_JaffaCakes118.exepowershell.exepowershell.exepowershell.exeb08b3e32d70824efc376be391784dc48_JaffaCakes118.exe

pid	Process
2548	b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe
1992	powershell.exe
2788	powershell.exe
1336	powershell.exe
1468	b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe
1468	b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe
1468	b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe

pid	Process
1468	b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

b08b3e32d70824efc376be391784dc48_JaffaCakes118.exepowershell.exepowershell.exepowershell.exeb08b3e32d70824efc376be391784dc48_JaffaCakes118.exe

description	pid	Process
Token: SeDebugPrivilege	2548	b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe
Token: SeDebugPrivilege	1992	powershell.exe
Token: SeDebugPrivilege	2788	powershell.exe
Token: SeDebugPrivilege	1336	powershell.exe
Token: SeDebugPrivilege	1468	b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe

description	pid	Process	procid_target
PID 2548 wrote to memory of 2788	2548	b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe	30
PID 2548 wrote to memory of 2788	2548	b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe	30
PID 2548 wrote to memory of 2788	2548	b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe	30
PID 2548 wrote to memory of 2788	2548	b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe	30
PID 2548 wrote to memory of 1336	2548	b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe	32
PID 2548 wrote to memory of 1336	2548	b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe	32
PID 2548 wrote to memory of 1336	2548	b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe	32
PID 2548 wrote to memory of 1336	2548	b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe	32
PID 2548 wrote to memory of 2192	2548	b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe	34
PID 2548 wrote to memory of 2192	2548	b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe	34
PID 2548 wrote to memory of 2192	2548	b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe	34
PID 2548 wrote to memory of 2192	2548	b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe	34
PID 2548 wrote to memory of 1992	2548	b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe	36
PID 2548 wrote to memory of 1992	2548	b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe	36
PID 2548 wrote to memory of 1992	2548	b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe	36
PID 2548 wrote to memory of 1992	2548	b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe	36
PID 2548 wrote to memory of 1468	2548	b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe	38
PID 2548 wrote to memory of 1468	2548	b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe	38
PID 2548 wrote to memory of 1468	2548	b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe	38
PID 2548 wrote to memory of 1468	2548	b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe	38
PID 2548 wrote to memory of 1468	2548	b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe	38
PID 2548 wrote to memory of 1468	2548	b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe	38
PID 2548 wrote to memory of 1468	2548	b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe	38
PID 2548 wrote to memory of 1468	2548	b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe	38
PID 2548 wrote to memory of 1468	2548	b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe	38

C:\Users\Admin\AppData\Local\Temp\b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2548
- 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\b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2788
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\xUtHYOdvEnCpj.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1336
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xUtHYOdvEnCpj" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7501.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2192
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\xUtHYOdvEnCpj.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1992
- C:\Users\Admin\AppData\Local\Temp\b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe"
  2⤵
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:1468

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

System Information Discovery

2

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\tmp7501.tmp

Filesize
1KB

MD5
376cb7ada8bdb372f89d5375a97b4333

SHA1
6d98a8a850e98535d721cdab42b2ea40e122b33b

SHA256
179dab9fbd23e93180bffae28597e3729e050e021a7e54aa999f50de2c499eb6

SHA512
84aa65e89fd3accbebdcca5c10770ceca8afb693fa9de404d73983ce1a212c550157e0d2455323619a45168319272970e930a36f7ee59b495f0a9b4829643bfc

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
866fb4b655492628a8a3c1433c45da3a

SHA1
e847443bf8faa2475c0d53a7544cfe320a26ad30

SHA256
4e9f8128d136e592e4a5da80e538f3287cde9fbfaa06591c7c620bcf5857cbe7

SHA512
3af7b288d7591051eddd3fd6c8e076978032bf16053ad39b6262eb5040efe4d2a2a374d065b06eefe69061a1a17cb10fe561f8e1f0febb796c369d42b88a79e9

Download Submit
memory/1468-24-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1468-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1468-43-0x00000000004E0000-0x00000000004EA000-memory.dmp

Filesize
40KB

Download
memory/1468-42-0x00000000004C0000-0x00000000004DE000-memory.dmp

Filesize
120KB

Download
memory/1468-41-0x00000000003F0000-0x00000000003FA000-memory.dmp

Filesize
40KB

Download
memory/1468-20-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1468-22-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1468-26-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1468-30-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1468-32-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1468-29-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2548-7-0x0000000000840000-0x000000000087A000-memory.dmp

Filesize
232KB

Download
memory/2548-1-0x0000000001310000-0x000000000143C000-memory.dmp

Filesize
1.2MB

Download
memory/2548-0-0x0000000074B1E000-0x0000000074B1F000-memory.dmp

Filesize
4KB

Download
memory/2548-2-0x0000000074B10000-0x00000000751FE000-memory.dmp

Filesize
6.9MB

Download
memory/2548-3-0x0000000000300000-0x0000000000316000-memory.dmp

Filesize
88KB

Download
memory/2548-38-0x0000000074B10000-0x00000000751FE000-memory.dmp

Filesize
6.9MB

Download
memory/2548-6-0x0000000005830000-0x00000000058D6000-memory.dmp

Filesize
664KB

Download
memory/2548-5-0x0000000074B10000-0x00000000751FE000-memory.dmp

Filesize
6.9MB

Download
memory/2548-4-0x0000000074B1E000-0x0000000074B1F000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads