nanocore | dfd573cbdf286385e4caa7742c78fdf91766857fe09f2e132a1b6f8c9d8a979b

General

Target

e9bf8b0b4b0f1c45651879ba4d3f81ae_JaffaCakes118.exe
Size

1.0MB
MD5

e9bf8b0b4b0f1c45651879ba4d3f81ae
SHA1

bd73123ef18da6c997f0037fdefb1dcd0346d819
SHA256

dfd573cbdf286385e4caa7742c78fdf91766857fe09f2e132a1b6f8c9d8a979b
SHA512

32437b12ff120fbf5a04e8e122481f2b90a2ea817e523aa01c9ba7ba4f970ce148a6cedd6b34e664eecb0b1d25c4e4aa3f349db2b6e81258c9c886ca5801b3a0
SSDEEP

12288:uMHjqIgHgx8zEdIzF+15TevbwW9/9Gb7OlrCyxKzD:1HjqITHdIu5I9/S7Olti

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

purified.ddns.net:4448

127.0.0.1:4448

Mutex

5fd869c9-51c6-4f7f-9bf9-2a5eb1f5b07e

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2018-07-02T22:20:42.937085536Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
4448
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
5fd869c9-51c6-4f7f-9bf9-2a5eb1f5b07e
mutex_timeout
5000
prevent_system_sleep
true
primary_connection_host
purified.ddns.net
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

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\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bootmgr = "C:\\Users\\Admin\\BootLoader.exe"	e9bf8b0b4b0f1c45651879ba4d3f81ae_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 4908 set thread context of 1444	4908	e9bf8b0b4b0f1c45651879ba4d3f81ae_JaffaCakes118.exe	82

System Location Discovery: System Language Discovery 1 TTPs 2 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	e9bf8b0b4b0f1c45651879ba4d3f81ae_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1444	RegAsm.exe
1444	RegAsm.exe
1444	RegAsm.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1444	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1444	RegAsm.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4908 wrote to memory of 1444	4908	e9bf8b0b4b0f1c45651879ba4d3f81ae_JaffaCakes118.exe	82
PID 4908 wrote to memory of 1444	4908	e9bf8b0b4b0f1c45651879ba4d3f81ae_JaffaCakes118.exe	82
PID 4908 wrote to memory of 1444	4908	e9bf8b0b4b0f1c45651879ba4d3f81ae_JaffaCakes118.exe	82
PID 4908 wrote to memory of 1444	4908	e9bf8b0b4b0f1c45651879ba4d3f81ae_JaffaCakes118.exe	82
PID 4908 wrote to memory of 1444	4908	e9bf8b0b4b0f1c45651879ba4d3f81ae_JaffaCakes118.exe	82
PID 4908 wrote to memory of 1444	4908	e9bf8b0b4b0f1c45651879ba4d3f81ae_JaffaCakes118.exe	82
PID 4908 wrote to memory of 1444	4908	e9bf8b0b4b0f1c45651879ba4d3f81ae_JaffaCakes118.exe	82
PID 4908 wrote to memory of 1444	4908	e9bf8b0b4b0f1c45651879ba4d3f81ae_JaffaCakes118.exe	82

C:\Users\Admin\AppData\Local\Temp\e9bf8b0b4b0f1c45651879ba4d3f81ae_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e9bf8b0b4b0f1c45651879ba4d3f81ae_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4908
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:1444

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

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

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Downloads

memory/1444-11-0x0000000005130000-0x000000000513A000-memory.dmp

Filesize
40KB

Download
memory/1444-10-0x0000000005090000-0x0000000005122000-memory.dmp

Filesize
584KB

Download
memory/1444-16-0x0000000074990000-0x0000000075140000-memory.dmp

Filesize
7.7MB

Download
memory/1444-15-0x0000000005F00000-0x0000000005F0A000-memory.dmp

Filesize
40KB

Download
memory/1444-14-0x0000000005CD0000-0x0000000005CEE000-memory.dmp

Filesize
120KB

Download
memory/1444-6-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1444-9-0x0000000074990000-0x0000000075140000-memory.dmp

Filesize
7.7MB

Download
memory/1444-8-0x0000000005520000-0x0000000005AC4000-memory.dmp

Filesize
5.6MB

Download
memory/1444-13-0x00000000051B0000-0x00000000051BA000-memory.dmp

Filesize
40KB

Download
memory/4908-0-0x00000000749AE000-0x00000000749AF000-memory.dmp

Filesize
4KB

Download
memory/4908-1-0x00000000005C0000-0x00000000006BA000-memory.dmp

Filesize
1000KB

Download
memory/4908-5-0x0000000005070000-0x000000000510C000-memory.dmp

Filesize
624KB

Download
memory/4908-3-0x0000000004FB0000-0x0000000004FC4000-memory.dmp

Filesize
80KB

Download
memory/4908-2-0x0000000004F60000-0x0000000004FA8000-memory.dmp

Filesize
288KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads