nanocore | eb440f61ec59cadd111c94804ec1d19f077fc1612939c19030d1030ccbe37cf7

General

Target

eb01110cc2e465533937eadeebed1b70_JaffaCakes118.exe
Size

264KB
MD5

eb01110cc2e465533937eadeebed1b70
SHA1

3ab3e7e33e6d9a8acc00ec7c7b5cace6f468a491
SHA256

eb440f61ec59cadd111c94804ec1d19f077fc1612939c19030d1030ccbe37cf7
SHA512

ee493297299109ad7e8a123f1f911a99ea6e50bdb412f6ae8900efcffea1f6758e8cb020b70f8005079e24aed3dc7ba55e59b8a06f5556d2711fa6ad86946edb
SSDEEP

6144:8gt3komcIOH3kiA9yguqKyxkYRhcVUU0t+Wd+RtxMILj:Dt3TNIC3klygLKckYXcCW4+RvMI

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

185.84.181.81:7601

Mutex

6f934957-e4f9-42b0-af44-3097014184b1

Attributes

activate_away_mode
true
backup_connection_host
185.84.181.81
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2017-05-15T10:50:59.293625336Z
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
7601
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
6f934957-e4f9-42b0-af44-3097014184b1
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DSL Service = "C:\\Program Files (x86)\\DSL Service\\dslsv.exe"	eb01110cc2e465533937eadeebed1b70_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	eb01110cc2e465533937eadeebed1b70_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1844 set thread context of 3336	1844	eb01110cc2e465533937eadeebed1b70_JaffaCakes118.exe	89

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\DSL Service\dslsv.exe	eb01110cc2e465533937eadeebed1b70_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\DSL Service\dslsv.exe	eb01110cc2e465533937eadeebed1b70_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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	eb01110cc2e465533937eadeebed1b70_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eb01110cc2e465533937eadeebed1b70_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
2472	schtasks.exe
4352	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
3336	eb01110cc2e465533937eadeebed1b70_JaffaCakes118.exe
3336	eb01110cc2e465533937eadeebed1b70_JaffaCakes118.exe
3336	eb01110cc2e465533937eadeebed1b70_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3336	eb01110cc2e465533937eadeebed1b70_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3336	eb01110cc2e465533937eadeebed1b70_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1844 wrote to memory of 3336	1844	eb01110cc2e465533937eadeebed1b70_JaffaCakes118.exe	89
PID 1844 wrote to memory of 3336	1844	eb01110cc2e465533937eadeebed1b70_JaffaCakes118.exe	89
PID 1844 wrote to memory of 3336	1844	eb01110cc2e465533937eadeebed1b70_JaffaCakes118.exe	89
PID 1844 wrote to memory of 3336	1844	eb01110cc2e465533937eadeebed1b70_JaffaCakes118.exe	89
PID 1844 wrote to memory of 3336	1844	eb01110cc2e465533937eadeebed1b70_JaffaCakes118.exe	89
PID 1844 wrote to memory of 3336	1844	eb01110cc2e465533937eadeebed1b70_JaffaCakes118.exe	89
PID 1844 wrote to memory of 3336	1844	eb01110cc2e465533937eadeebed1b70_JaffaCakes118.exe	89
PID 1844 wrote to memory of 3336	1844	eb01110cc2e465533937eadeebed1b70_JaffaCakes118.exe	89
PID 3336 wrote to memory of 2472	3336	eb01110cc2e465533937eadeebed1b70_JaffaCakes118.exe	90
PID 3336 wrote to memory of 2472	3336	eb01110cc2e465533937eadeebed1b70_JaffaCakes118.exe	90
PID 3336 wrote to memory of 2472	3336	eb01110cc2e465533937eadeebed1b70_JaffaCakes118.exe	90
PID 3336 wrote to memory of 4352	3336	eb01110cc2e465533937eadeebed1b70_JaffaCakes118.exe	92
PID 3336 wrote to memory of 4352	3336	eb01110cc2e465533937eadeebed1b70_JaffaCakes118.exe	92
PID 3336 wrote to memory of 4352	3336	eb01110cc2e465533937eadeebed1b70_JaffaCakes118.exe	92

C:\Users\Admin\AppData\Local\Temp\eb01110cc2e465533937eadeebed1b70_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\eb01110cc2e465533937eadeebed1b70_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1844
- C:\Users\Admin\AppData\Local\Temp\eb01110cc2e465533937eadeebed1b70_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\eb01110cc2e465533937eadeebed1b70_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
  - Suspicious use of WriteProcessMemory
  PID:3336
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "DSL Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpD542.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2472
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "DSL Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpD5B0.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4352

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpD542.tmp

Filesize
1KB

MD5
19678ebb743aff9be2ae9008a23e146d

SHA1
4cfb44853790b80b9a0add4a3a4e2aca0909737d

SHA256
b5272969f3a7d0fd93456d6af278754002867989cefc77f976b01be2804a8bfe

SHA512
dc7bc0d06b974b2d907cbb86c235b48b6a40b5ae774b9c3ba4c7045853617f2cc4dff7d3f4bdafbc721f8c82ca23e3c070efe8250f6065bfd65e76f6145dbaa3

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpD5B0.tmp

Filesize
1KB

MD5
afb71a33ece3758f782f052bbe5da94f

SHA1
e69b9070ff52f81fdf01a40f775d021e4b4e71e4

SHA256
abd73bfca8458750ee751d4c6c106d54dcf0969592f476acc64ab0d7f2bb1978

SHA512
22c45992ca358ca9d4605ac426b65903b11b27db1b9c608739245dc412aa256d0908566626b3cfdafb32fca0809bf46c8824ab98cea7b7662216c915e6ef013f

Download Submit
memory/1844-17-0x00000000752C0000-0x0000000075871000-memory.dmp

Filesize
5.7MB

Download
memory/1844-0-0x00000000752C2000-0x00000000752C3000-memory.dmp

Filesize
4KB

Download
memory/1844-4-0x00000000752C2000-0x00000000752C3000-memory.dmp

Filesize
4KB

Download
memory/1844-5-0x00000000752C0000-0x0000000075871000-memory.dmp

Filesize
5.7MB

Download
memory/1844-3-0x00000000752C0000-0x0000000075871000-memory.dmp

Filesize
5.7MB

Download
memory/1844-1-0x00000000752C0000-0x0000000075871000-memory.dmp

Filesize
5.7MB

Download
memory/1844-2-0x00000000752C0000-0x0000000075871000-memory.dmp

Filesize
5.7MB

Download
memory/3336-6-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3336-12-0x00000000752C0000-0x0000000075871000-memory.dmp

Filesize
5.7MB

Download
memory/3336-13-0x00000000752C0000-0x0000000075871000-memory.dmp

Filesize
5.7MB

Download
memory/3336-10-0x00000000752C0000-0x0000000075871000-memory.dmp

Filesize
5.7MB

Download
memory/3336-7-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3336-8-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3336-22-0x00000000752C0000-0x0000000075871000-memory.dmp

Filesize
5.7MB

Download
memory/3336-23-0x00000000752C0000-0x0000000075871000-memory.dmp

Filesize
5.7MB

Download
memory/3336-24-0x00000000752C0000-0x0000000075871000-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