nanocore | 88eef848e19a77b59dd7cb7969bb5903787cfb8680fc07b858fd4d8fa75ce73a

General

Target

9dba4f4fcac1a905447e6689b7a67188_JaffaCakes118.exe
Size

719KB
MD5

9dba4f4fcac1a905447e6689b7a67188
SHA1

bc0758f80f420604fc1f6cc8a6c4a048ec75d4c4
SHA256

88eef848e19a77b59dd7cb7969bb5903787cfb8680fc07b858fd4d8fa75ce73a
SHA512

35ea3b33ad5b262312bdec1b75af0eb338bc493c8b0ab221743d68ef265619d9324b8d0c2979a792ff0491d6bf275797a3799d1d5b34fb70679ccbab48368c39
SSDEEP

12288:5vvFTL3RWTN3+eR5BO4t1+7fopyO9QyzO7oZbsDlzh5Q51Dt97UAwQIRnxm:Bvx3KQeRTPt18foNQkOAbsDl15QX/7UT

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

77.48.28.247:5378

Mutex

d05852ee-0a7b-481c-a286-25366e65816c

Attributes

activate_away_mode
true
backup_connection_host
77.48.28.247
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2019-02-03T10:23:08.755936536Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
5378
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
d05852ee-0a7b-481c-a286-25366e65816c
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
77.48.28.247
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:

9dba4f4fcac1a905447e6689b7a67188_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\TCP Service = "C:\\Program Files (x86)\\TCP Service\\tcpsv.exe"	9dba4f4fcac1a905447e6689b7a67188_JaffaCakes118.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

9dba4f4fcac1a905447e6689b7a67188_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	9dba4f4fcac1a905447e6689b7a67188_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

9dba4f4fcac1a905447e6689b7a67188_JaffaCakes118.exe

description	pid	process	target process
PID 2396 set thread context of 2732	2396	9dba4f4fcac1a905447e6689b7a67188_JaffaCakes118.exe	9dba4f4fcac1a905447e6689b7a67188_JaffaCakes118.exe

Drops file in Program Files directory 2 IoCs

Processes:

9dba4f4fcac1a905447e6689b7a67188_JaffaCakes118.exe

description	ioc	process
File created	C:\Program Files (x86)\TCP Service\tcpsv.exe	9dba4f4fcac1a905447e6689b7a67188_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\TCP Service\tcpsv.exe	9dba4f4fcac1a905447e6689b7a67188_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

9dba4f4fcac1a905447e6689b7a67188_JaffaCakes118.exe9dba4f4fcac1a905447e6689b7a67188_JaffaCakes118.exe

pid	process
2396	9dba4f4fcac1a905447e6689b7a67188_JaffaCakes118.exe
2396	9dba4f4fcac1a905447e6689b7a67188_JaffaCakes118.exe
2732	9dba4f4fcac1a905447e6689b7a67188_JaffaCakes118.exe
2732	9dba4f4fcac1a905447e6689b7a67188_JaffaCakes118.exe
2732	9dba4f4fcac1a905447e6689b7a67188_JaffaCakes118.exe
2732	9dba4f4fcac1a905447e6689b7a67188_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

9dba4f4fcac1a905447e6689b7a67188_JaffaCakes118.exe

pid process

2732 9dba4f4fcac1a905447e6689b7a67188_JaffaCakes118.exe

pid	process
2732	9dba4f4fcac1a905447e6689b7a67188_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

9dba4f4fcac1a905447e6689b7a67188_JaffaCakes118.exe9dba4f4fcac1a905447e6689b7a67188_JaffaCakes118.exe

description	pid	process
Token: SeDebugPrivilege	2396	9dba4f4fcac1a905447e6689b7a67188_JaffaCakes118.exe
Token: SeDebugPrivilege	2732	9dba4f4fcac1a905447e6689b7a67188_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

9dba4f4fcac1a905447e6689b7a67188_JaffaCakes118.exe

description	pid	process	target process
PID 2396 wrote to memory of 2732	2396	9dba4f4fcac1a905447e6689b7a67188_JaffaCakes118.exe	9dba4f4fcac1a905447e6689b7a67188_JaffaCakes118.exe
PID 2396 wrote to memory of 2732	2396	9dba4f4fcac1a905447e6689b7a67188_JaffaCakes118.exe	9dba4f4fcac1a905447e6689b7a67188_JaffaCakes118.exe
PID 2396 wrote to memory of 2732	2396	9dba4f4fcac1a905447e6689b7a67188_JaffaCakes118.exe	9dba4f4fcac1a905447e6689b7a67188_JaffaCakes118.exe
PID 2396 wrote to memory of 2732	2396	9dba4f4fcac1a905447e6689b7a67188_JaffaCakes118.exe	9dba4f4fcac1a905447e6689b7a67188_JaffaCakes118.exe
PID 2396 wrote to memory of 2732	2396	9dba4f4fcac1a905447e6689b7a67188_JaffaCakes118.exe	9dba4f4fcac1a905447e6689b7a67188_JaffaCakes118.exe
PID 2396 wrote to memory of 2732	2396	9dba4f4fcac1a905447e6689b7a67188_JaffaCakes118.exe	9dba4f4fcac1a905447e6689b7a67188_JaffaCakes118.exe
PID 2396 wrote to memory of 2732	2396	9dba4f4fcac1a905447e6689b7a67188_JaffaCakes118.exe	9dba4f4fcac1a905447e6689b7a67188_JaffaCakes118.exe
PID 2396 wrote to memory of 2732	2396	9dba4f4fcac1a905447e6689b7a67188_JaffaCakes118.exe	9dba4f4fcac1a905447e6689b7a67188_JaffaCakes118.exe
PID 2396 wrote to memory of 2732	2396	9dba4f4fcac1a905447e6689b7a67188_JaffaCakes118.exe	9dba4f4fcac1a905447e6689b7a67188_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\9dba4f4fcac1a905447e6689b7a67188_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\9dba4f4fcac1a905447e6689b7a67188_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2396

C:\Users\Admin\AppData\Local\Temp\9dba4f4fcac1a905447e6689b7a67188_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\9dba4f4fcac1a905447e6689b7a67188_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:2732

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/2396-0-0x0000000074951000-0x0000000074952000-memory.dmp

Filesize
4KB

Download
memory/2396-1-0x0000000074950000-0x0000000074EFB000-memory.dmp

Filesize
5.7MB

Download
memory/2396-2-0x0000000074950000-0x0000000074EFB000-memory.dmp

Filesize
5.7MB

Download
memory/2396-3-0x0000000074950000-0x0000000074EFB000-memory.dmp

Filesize
5.7MB

Download
memory/2396-4-0x0000000074950000-0x0000000074EFB000-memory.dmp

Filesize
5.7MB

Download
memory/2396-24-0x0000000074950000-0x0000000074EFB000-memory.dmp

Filesize
5.7MB

Download
memory/2732-14-0x0000000000080000-0x0000000000110000-memory.dmp

Filesize
576KB

Download
memory/2732-21-0x0000000000080000-0x0000000000110000-memory.dmp

Filesize
576KB

Download
memory/2732-18-0x0000000000080000-0x0000000000110000-memory.dmp

Filesize
576KB

Download
memory/2732-13-0x0000000000080000-0x0000000000110000-memory.dmp

Filesize
576KB

Download
memory/2732-23-0x0000000074950000-0x0000000074EFB000-memory.dmp

Filesize
5.7MB

Download
memory/2732-22-0x0000000074950000-0x0000000074EFB000-memory.dmp

Filesize
5.7MB

Download
memory/2732-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2732-10-0x0000000000080000-0x0000000000110000-memory.dmp

Filesize
576KB

Download
memory/2732-9-0x0000000000080000-0x0000000000110000-memory.dmp

Filesize
576KB

Download
memory/2732-7-0x0000000000080000-0x0000000000110000-memory.dmp

Filesize
576KB

Download
memory/2732-6-0x0000000000080000-0x0000000000110000-memory.dmp

Filesize
576KB

Download
memory/2732-27-0x0000000074950000-0x0000000074EFB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads