nanocore | 3428220d9ec39611487724fcf875972f2df6d7bb68108799a012630f3669611d

Analysis

max time kernel
150s
max time network
148s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
16-06-2024 12:00

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General

Target

b36632b2009585727eaa83af6ba40124_JaffaCakes118.exe
Size

668KB
MD5

b36632b2009585727eaa83af6ba40124
SHA1

e53ea675d1ba0fc5e19ff6ddf35294c34e3c2fe0
SHA256

3428220d9ec39611487724fcf875972f2df6d7bb68108799a012630f3669611d
SHA512

71c977c27e54f5df83a7cd68e5a3c03be3043c60c6a78058690b2f8d291e1b63f1dd70a514828526f15cd15a6398cca596c9b518a980284442156c93727d6243
SSDEEP

12288:/SMDbiVo7FWoU8OEia8r+/ZS5TPhPJfQVYiwMoku56E9vsHbZv:/BtFE8Oi8r+/ZS5TPhPJfQV9wMokSuHZ

Score

10^/10

nanocore agilenet evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

gifted.gleeze.com:55623

phill.onmypc.us:55623

Mutex

5a8742ff-0185-4032-9522-375e8e036567

Attributes

activate_away_mode
true
backup_connection_host
phill.onmypc.us
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2018-05-11T03:10:19.770910536Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
55623
default_group
STUB
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
5a8742ff-0185-4032-9522-375e8e036567
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
gifted.gleeze.com
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
Drops startup file 1 IoCs

Processes:

bin.exe

description ioc process

File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\bin.lnk bin.exe
Executes dropped EXE 3 IoCs

Processes:

bin.exebin.exebin.exe

pid process

2972 bin.exe
2044 bin.exe
2296 bin.exe
Loads dropped DLL 1 IoCs

Processes:

bin.exe

pid process

2972 bin.exe
Obfuscated with Agile.Net obfuscator 1 IoCs
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
agilenet

Processes:

resource yara_rule

behavioral1/memory/2344-2-0x00000000003D0000-0x0000000000400000-memory.dmp agile_net
Adds Run key to start application 2 TTPs 1 IoCs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

Processes:

bin.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" bin.exe
Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

bin.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA bin.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

bin.exe

description pid process target process

PID 2972 set thread context of 2296 2972 bin.exe bin.exe
Drops file in Program Files directory 2 IoCs

Processes:

bin.exe

description ioc process

File created C:\Program Files (x86)\TCP Service\tcpsv.exe bin.exe
File opened for modification C:\Program Files (x86)\TCP Service\tcpsv.exe bin.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

bin.exebin.exe

pid process

2972 bin.exe
2972 bin.exe
2972 bin.exe
2296 bin.exe
2296 bin.exe
2296 bin.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

bin.exe

pid process

2296 bin.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\bin.lnk	bin.exe

pid	process
2972	bin.exe
2044	bin.exe
2296	bin.exe

pid	process
2972	bin.exe

resource	yara_rule
behavioral1/memory/2344-2-0x00000000003D0000-0x0000000000400000-memory.dmp	agile_net

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

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

description	pid	process	target process
PID 2972 set thread context of 2296	2972	bin.exe	bin.exe

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

pid	process
2972	bin.exe
2972	bin.exe
2972	bin.exe
2296	bin.exe
2296	bin.exe
2296	bin.exe

pid	process
2296	bin.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

b36632b2009585727eaa83af6ba40124_JaffaCakes118.exebin.exebin.exebin.exe

description	pid	process
Token: SeDebugPrivilege	2344	b36632b2009585727eaa83af6ba40124_JaffaCakes118.exe
Token: SeDebugPrivilege	2972	bin.exe
Token: SeDebugPrivilege	2044	bin.exe
Token: SeDebugPrivilege	2296	bin.exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

b36632b2009585727eaa83af6ba40124_JaffaCakes118.exeexplorer.exebin.exe

description	pid	process	target process
PID 2344 wrote to memory of 2668	2344	b36632b2009585727eaa83af6ba40124_JaffaCakes118.exe	cmd.exe
PID 2344 wrote to memory of 2668	2344	b36632b2009585727eaa83af6ba40124_JaffaCakes118.exe	cmd.exe
PID 2344 wrote to memory of 2668	2344	b36632b2009585727eaa83af6ba40124_JaffaCakes118.exe	cmd.exe
PID 2344 wrote to memory of 2668	2344	b36632b2009585727eaa83af6ba40124_JaffaCakes118.exe	cmd.exe
PID 2344 wrote to memory of 2524	2344	b36632b2009585727eaa83af6ba40124_JaffaCakes118.exe	explorer.exe
PID 2344 wrote to memory of 2524	2344	b36632b2009585727eaa83af6ba40124_JaffaCakes118.exe	explorer.exe
PID 2344 wrote to memory of 2524	2344	b36632b2009585727eaa83af6ba40124_JaffaCakes118.exe	explorer.exe
PID 2344 wrote to memory of 2524	2344	b36632b2009585727eaa83af6ba40124_JaffaCakes118.exe	explorer.exe
PID 2096 wrote to memory of 2972	2096	explorer.exe	bin.exe
PID 2096 wrote to memory of 2972	2096	explorer.exe	bin.exe
PID 2096 wrote to memory of 2972	2096	explorer.exe	bin.exe
PID 2096 wrote to memory of 2972	2096	explorer.exe	bin.exe
PID 2972 wrote to memory of 2044	2972	bin.exe	bin.exe
PID 2972 wrote to memory of 2044	2972	bin.exe	bin.exe
PID 2972 wrote to memory of 2044	2972	bin.exe	bin.exe
PID 2972 wrote to memory of 2044	2972	bin.exe	bin.exe
PID 2972 wrote to memory of 2296	2972	bin.exe	bin.exe
PID 2972 wrote to memory of 2296	2972	bin.exe	bin.exe
PID 2972 wrote to memory of 2296	2972	bin.exe	bin.exe
PID 2972 wrote to memory of 2296	2972	bin.exe	bin.exe
PID 2972 wrote to memory of 2296	2972	bin.exe	bin.exe
PID 2972 wrote to memory of 2296	2972	bin.exe	bin.exe
PID 2972 wrote to memory of 2296	2972	bin.exe	bin.exe
PID 2972 wrote to memory of 2296	2972	bin.exe	bin.exe
PID 2972 wrote to memory of 2296	2972	bin.exe	bin.exe

C:\Users\Admin\AppData\Local\Temp\b36632b2009585727eaa83af6ba40124_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b36632b2009585727eaa83af6ba40124_JaffaCakes118.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2344

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\b36632b2009585727eaa83af6ba40124_JaffaCakes118.exe" "C:\Users\Admin\AppData\Local\bin.exe"
2⤵
PID:2668

C:\Windows\SysWOW64\explorer.exe
"C:\Windows\System32\explorer.exe" /c, "C:\Users\Admin\AppData\Local\bin.exe"
2⤵
PID:2524

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
- Suspicious use of WriteProcessMemory
PID:2096

C:\Users\Admin\AppData\Local\bin.exe
"C:\Users\Admin\AppData\Local\bin.exe"
2⤵
- Drops startup file
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2972

C:\Users\Admin\AppData\Local\bin.exe
"C:\Users\Admin\AppData\Local\bin.exe"
3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2044

C:\Users\Admin\AppData\Local\bin.exe
"C:\Users\Admin\AppData\Local\bin.exe"
3⤵
- Executes dropped EXE
- 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:2296

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads

C:\Users\Admin\AppData\Local\bin.exe
Filesize
668KB

MD5
b36632b2009585727eaa83af6ba40124

SHA1
e53ea675d1ba0fc5e19ff6ddf35294c34e3c2fe0

SHA256
3428220d9ec39611487724fcf875972f2df6d7bb68108799a012630f3669611d

SHA512
71c977c27e54f5df83a7cd68e5a3c03be3043c60c6a78058690b2f8d291e1b63f1dd70a514828526f15cd15a6398cca596c9b518a980284442156c93727d6243

Download Submit
memory/2296-19-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2296-34-0x0000000000460000-0x000000000046A000-memory.dmp

Filesize
40KB

Download
memory/2296-33-0x0000000000440000-0x000000000045E000-memory.dmp

Filesize
120KB

Download
memory/2296-32-0x00000000003F0000-0x00000000003FA000-memory.dmp

Filesize
40KB

Download
memory/2296-29-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2296-28-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2296-26-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2296-23-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2296-25-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2296-22-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2296-17-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2344-5-0x0000000074060000-0x000000007474E000-memory.dmp

Filesize
6.9MB

Download
memory/2344-10-0x0000000074060000-0x000000007474E000-memory.dmp

Filesize
6.9MB

Download
memory/2344-7-0x0000000074060000-0x000000007474E000-memory.dmp

Filesize
6.9MB

Download
memory/2344-6-0x000000007406E000-0x000000007406F000-memory.dmp

Filesize
4KB

Download
memory/2344-0-0x000000007406E000-0x000000007406F000-memory.dmp

Filesize
4KB

Download
memory/2344-4-0x0000000074060000-0x000000007474E000-memory.dmp

Filesize
6.9MB

Download
memory/2344-3-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/2344-2-0x00000000003D0000-0x0000000000400000-memory.dmp

Filesize
192KB

Download
memory/2344-1-0x0000000001310000-0x00000000013BA000-memory.dmp

Filesize
680KB

Download
memory/2972-13-0x0000000000AA0000-0x0000000000B4A000-memory.dmp

Filesize
680KB

Download