nanocore | 8fed5e61126a96dc25fb235e8e75b4de8e4674499accf567328b2c2b2e185ddb

General

Target

4015c517b9adebebdbd3eabc75a1957e_JaffaCakes118.exe
Size

509KB
MD5

4015c517b9adebebdbd3eabc75a1957e
SHA1

78848c7abae8d9315b103a49cd1866eee1681a2b
SHA256

8fed5e61126a96dc25fb235e8e75b4de8e4674499accf567328b2c2b2e185ddb
SHA512

3cb797fb02617e65299f22047168279c182d38be471622a9044e9fb55d900f878ce6ef7ff5f6f2ff1b7deaab15d7b226a7c632370935380b125c7e688af8f3a7
SSDEEP

12288:jc5IcF8kMk3BzQIL2ARx7L/7gXR2taJRFpDVFrd:wJF3XBxf7a7Rz

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

chykn.hopto.org:8181

91.192.100.5:8181

Mutex

d4323027-d419-4fa1-b832-15daf5fb40a0

Attributes

activate_away_mode
true
backup_connection_host
91.192.100.5
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2018-08-24T07:23:15.169783836Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
8181
default_group
NOVEMBER
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
d4323027-d419-4fa1-b832-15daf5fb40a0
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
chykn.hopto.org
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

Processes:

4015c517b9adebebdbd3eabc75a1957e_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\NTFS Monitor = "C:\\Program Files (x86)\\NTFS Monitor\\ntfsmon.exe"	4015c517b9adebebdbd3eabc75a1957e_JaffaCakes118.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

4015c517b9adebebdbd3eabc75a1957e_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	4015c517b9adebebdbd3eabc75a1957e_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

4015c517b9adebebdbd3eabc75a1957e_JaffaCakes118.exe

description	pid	process	target process
PID 2120 set thread context of 2192	2120	4015c517b9adebebdbd3eabc75a1957e_JaffaCakes118.exe	4015c517b9adebebdbd3eabc75a1957e_JaffaCakes118.exe

Drops file in Program Files directory 2 IoCs

Processes:

4015c517b9adebebdbd3eabc75a1957e_JaffaCakes118.exe

description	ioc	process
File created	C:\Program Files (x86)\NTFS Monitor\ntfsmon.exe	4015c517b9adebebdbd3eabc75a1957e_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\NTFS Monitor\ntfsmon.exe	4015c517b9adebebdbd3eabc75a1957e_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

4015c517b9adebebdbd3eabc75a1957e_JaffaCakes118.exe4015c517b9adebebdbd3eabc75a1957e_JaffaCakes118.exe

pid	process
2120	4015c517b9adebebdbd3eabc75a1957e_JaffaCakes118.exe
2120	4015c517b9adebebdbd3eabc75a1957e_JaffaCakes118.exe
2120	4015c517b9adebebdbd3eabc75a1957e_JaffaCakes118.exe
2192	4015c517b9adebebdbd3eabc75a1957e_JaffaCakes118.exe
2192	4015c517b9adebebdbd3eabc75a1957e_JaffaCakes118.exe
2192	4015c517b9adebebdbd3eabc75a1957e_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

4015c517b9adebebdbd3eabc75a1957e_JaffaCakes118.exe

pid process

2192 4015c517b9adebebdbd3eabc75a1957e_JaffaCakes118.exe

pid	process
2192	4015c517b9adebebdbd3eabc75a1957e_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

4015c517b9adebebdbd3eabc75a1957e_JaffaCakes118.exe4015c517b9adebebdbd3eabc75a1957e_JaffaCakes118.exe

description	pid	process
Token: SeDebugPrivilege	2120	4015c517b9adebebdbd3eabc75a1957e_JaffaCakes118.exe
Token: SeDebugPrivilege	2192	4015c517b9adebebdbd3eabc75a1957e_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

4015c517b9adebebdbd3eabc75a1957e_JaffaCakes118.exe

description	pid	process	target process
PID 2120 wrote to memory of 2192	2120	4015c517b9adebebdbd3eabc75a1957e_JaffaCakes118.exe	4015c517b9adebebdbd3eabc75a1957e_JaffaCakes118.exe
PID 2120 wrote to memory of 2192	2120	4015c517b9adebebdbd3eabc75a1957e_JaffaCakes118.exe	4015c517b9adebebdbd3eabc75a1957e_JaffaCakes118.exe
PID 2120 wrote to memory of 2192	2120	4015c517b9adebebdbd3eabc75a1957e_JaffaCakes118.exe	4015c517b9adebebdbd3eabc75a1957e_JaffaCakes118.exe
PID 2120 wrote to memory of 2192	2120	4015c517b9adebebdbd3eabc75a1957e_JaffaCakes118.exe	4015c517b9adebebdbd3eabc75a1957e_JaffaCakes118.exe
PID 2120 wrote to memory of 2192	2120	4015c517b9adebebdbd3eabc75a1957e_JaffaCakes118.exe	4015c517b9adebebdbd3eabc75a1957e_JaffaCakes118.exe
PID 2120 wrote to memory of 2192	2120	4015c517b9adebebdbd3eabc75a1957e_JaffaCakes118.exe	4015c517b9adebebdbd3eabc75a1957e_JaffaCakes118.exe
PID 2120 wrote to memory of 2192	2120	4015c517b9adebebdbd3eabc75a1957e_JaffaCakes118.exe	4015c517b9adebebdbd3eabc75a1957e_JaffaCakes118.exe
PID 2120 wrote to memory of 2192	2120	4015c517b9adebebdbd3eabc75a1957e_JaffaCakes118.exe	4015c517b9adebebdbd3eabc75a1957e_JaffaCakes118.exe
PID 2120 wrote to memory of 2192	2120	4015c517b9adebebdbd3eabc75a1957e_JaffaCakes118.exe	4015c517b9adebebdbd3eabc75a1957e_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\4015c517b9adebebdbd3eabc75a1957e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\4015c517b9adebebdbd3eabc75a1957e_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2120

C:\Users\Admin\AppData\Local\Temp\4015c517b9adebebdbd3eabc75a1957e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\4015c517b9adebebdbd3eabc75a1957e_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:2192

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

memory/2120-20-0x0000000074880000-0x0000000074F6E000-memory.dmp

Filesize
6.9MB

Download
memory/2120-1-0x0000000001070000-0x00000000010F8000-memory.dmp

Filesize
544KB

Download
memory/2120-2-0x00000000009A0000-0x00000000009DA000-memory.dmp

Filesize
232KB

Download
memory/2120-3-0x00000000002C0000-0x00000000002E0000-memory.dmp

Filesize
128KB

Download
memory/2120-4-0x0000000074880000-0x0000000074F6E000-memory.dmp

Filesize
6.9MB

Download
memory/2120-5-0x000000007488E000-0x000000007488F000-memory.dmp

Filesize
4KB

Download
memory/2120-6-0x0000000074880000-0x0000000074F6E000-memory.dmp

Filesize
6.9MB

Download
memory/2120-7-0x0000000074880000-0x0000000074F6E000-memory.dmp

Filesize
6.9MB

Download
memory/2120-0-0x000000007488E000-0x000000007488F000-memory.dmp

Filesize
4KB

Download
memory/2192-8-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2192-10-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2192-13-0x0000000074880000-0x0000000074F6E000-memory.dmp

Filesize
6.9MB

Download
memory/2192-17-0x0000000074880000-0x0000000074F6E000-memory.dmp

Filesize
6.9MB

Download
memory/2192-16-0x00000000004B0000-0x00000000004BA000-memory.dmp

Filesize
40KB

Download
memory/2192-18-0x00000000005D0000-0x00000000005EE000-memory.dmp

Filesize
120KB

Download
memory/2192-19-0x00000000004C0000-0x00000000004CA000-memory.dmp

Filesize
40KB

Download
memory/2192-12-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2192-21-0x0000000074880000-0x0000000074F6E000-memory.dmp

Filesize
6.9MB

Download
memory/2192-22-0x0000000074880000-0x0000000074F6E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads