nanocore | cc639b3020aa0456adfa4fd5377a9516785177f4ce390ec0f879b057232da189

Analysis

max time kernel
145s
max time network
148s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
22-06-2024 16:57

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General

Target

030dc8219015d70f0c7dfcedc33b2220_JaffaCakes118.exe
Size

1.2MB
MD5

030dc8219015d70f0c7dfcedc33b2220
SHA1

afce52b30f95ab8520a916bfbfd78acf51a5dc1e
SHA256

cc639b3020aa0456adfa4fd5377a9516785177f4ce390ec0f879b057232da189
SHA512

c85a31c880b81601daa40609705185092d89dc003826e9bbc76e12278c2ab6b0a454a8e56490b37c82c34ae087e71415264641fd210db0847753b8150ff496e7
SSDEEP

6144:L6u9I3YC14qlrD9QSKyBXNig+fvPM5zA9QxjhuT9Dzh2JBfZM8wJ/gukJDzGcC6o:LD

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

hz.instapoller.info:8888

Mutex

a15af327-74cd-459f-a128-0e6f41b0d392

Attributes

activate_away_mode
true
backup_connection_host
hz.instapoller.info
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2019-11-03T10:15:31.644950736Z
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
8888
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
a15af327-74cd-459f-a128-0e6f41b0d392
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

Processes:

030dc8219015d70f0c7dfcedc33b2220_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ARP Host = "C:\\Program Files (x86)\\ARP Host\\arphost.exe"	030dc8219015d70f0c7dfcedc33b2220_JaffaCakes118.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

030dc8219015d70f0c7dfcedc33b2220_JaffaCakes118.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 030dc8219015d70f0c7dfcedc33b2220_JaffaCakes118.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

030dc8219015d70f0c7dfcedc33b2220_JaffaCakes118.exe

description pid process target process

PID 2232 set thread context of 2032 2232 030dc8219015d70f0c7dfcedc33b2220_JaffaCakes118.exe 030dc8219015d70f0c7dfcedc33b2220_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	030dc8219015d70f0c7dfcedc33b2220_JaffaCakes118.exe

description	pid	process	target process
PID 2232 set thread context of 2032	2232	030dc8219015d70f0c7dfcedc33b2220_JaffaCakes118.exe	030dc8219015d70f0c7dfcedc33b2220_JaffaCakes118.exe

Drops file in Program Files directory 2 IoCs

Processes:

030dc8219015d70f0c7dfcedc33b2220_JaffaCakes118.exe

description	ioc	process
File created	C:\Program Files (x86)\ARP Host\arphost.exe	030dc8219015d70f0c7dfcedc33b2220_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\ARP Host\arphost.exe	030dc8219015d70f0c7dfcedc33b2220_JaffaCakes118.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2544 2232 WerFault.exe 030dc8219015d70f0c7dfcedc33b2220_JaffaCakes118.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

Processes:

schtasks.exeschtasks.exe

pid process

2744 schtasks.exe
2804 schtasks.exe

pid	pid_target	process	target process
2544	2232	WerFault.exe	030dc8219015d70f0c7dfcedc33b2220_JaffaCakes118.exe

pid	process
2744	schtasks.exe
2804	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

030dc8219015d70f0c7dfcedc33b2220_JaffaCakes118.exe

pid	process
2032	030dc8219015d70f0c7dfcedc33b2220_JaffaCakes118.exe
2032	030dc8219015d70f0c7dfcedc33b2220_JaffaCakes118.exe
2032	030dc8219015d70f0c7dfcedc33b2220_JaffaCakes118.exe
2032	030dc8219015d70f0c7dfcedc33b2220_JaffaCakes118.exe
2032	030dc8219015d70f0c7dfcedc33b2220_JaffaCakes118.exe
2032	030dc8219015d70f0c7dfcedc33b2220_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

030dc8219015d70f0c7dfcedc33b2220_JaffaCakes118.exe

pid process

2032 030dc8219015d70f0c7dfcedc33b2220_JaffaCakes118.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

030dc8219015d70f0c7dfcedc33b2220_JaffaCakes118.exe030dc8219015d70f0c7dfcedc33b2220_JaffaCakes118.exe

description pid process

Token: SeDebugPrivilege 2232 030dc8219015d70f0c7dfcedc33b2220_JaffaCakes118.exe
Token: SeDebugPrivilege 2032 030dc8219015d70f0c7dfcedc33b2220_JaffaCakes118.exe

description	pid	process
Token: SeDebugPrivilege	2232	030dc8219015d70f0c7dfcedc33b2220_JaffaCakes118.exe
Token: SeDebugPrivilege	2032	030dc8219015d70f0c7dfcedc33b2220_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

030dc8219015d70f0c7dfcedc33b2220_JaffaCakes118.exe030dc8219015d70f0c7dfcedc33b2220_JaffaCakes118.exe

description	pid	process	target process
PID 2232 wrote to memory of 2032	2232	030dc8219015d70f0c7dfcedc33b2220_JaffaCakes118.exe	030dc8219015d70f0c7dfcedc33b2220_JaffaCakes118.exe
PID 2232 wrote to memory of 2032	2232	030dc8219015d70f0c7dfcedc33b2220_JaffaCakes118.exe	030dc8219015d70f0c7dfcedc33b2220_JaffaCakes118.exe
PID 2232 wrote to memory of 2032	2232	030dc8219015d70f0c7dfcedc33b2220_JaffaCakes118.exe	030dc8219015d70f0c7dfcedc33b2220_JaffaCakes118.exe
PID 2232 wrote to memory of 2032	2232	030dc8219015d70f0c7dfcedc33b2220_JaffaCakes118.exe	030dc8219015d70f0c7dfcedc33b2220_JaffaCakes118.exe
PID 2232 wrote to memory of 2032	2232	030dc8219015d70f0c7dfcedc33b2220_JaffaCakes118.exe	030dc8219015d70f0c7dfcedc33b2220_JaffaCakes118.exe
PID 2232 wrote to memory of 2032	2232	030dc8219015d70f0c7dfcedc33b2220_JaffaCakes118.exe	030dc8219015d70f0c7dfcedc33b2220_JaffaCakes118.exe
PID 2232 wrote to memory of 2032	2232	030dc8219015d70f0c7dfcedc33b2220_JaffaCakes118.exe	030dc8219015d70f0c7dfcedc33b2220_JaffaCakes118.exe
PID 2232 wrote to memory of 2032	2232	030dc8219015d70f0c7dfcedc33b2220_JaffaCakes118.exe	030dc8219015d70f0c7dfcedc33b2220_JaffaCakes118.exe
PID 2232 wrote to memory of 2032	2232	030dc8219015d70f0c7dfcedc33b2220_JaffaCakes118.exe	030dc8219015d70f0c7dfcedc33b2220_JaffaCakes118.exe
PID 2032 wrote to memory of 2744	2032	030dc8219015d70f0c7dfcedc33b2220_JaffaCakes118.exe	schtasks.exe
PID 2032 wrote to memory of 2744	2032	030dc8219015d70f0c7dfcedc33b2220_JaffaCakes118.exe	schtasks.exe
PID 2032 wrote to memory of 2744	2032	030dc8219015d70f0c7dfcedc33b2220_JaffaCakes118.exe	schtasks.exe
PID 2032 wrote to memory of 2744	2032	030dc8219015d70f0c7dfcedc33b2220_JaffaCakes118.exe	schtasks.exe
PID 2032 wrote to memory of 2804	2032	030dc8219015d70f0c7dfcedc33b2220_JaffaCakes118.exe	schtasks.exe
PID 2032 wrote to memory of 2804	2032	030dc8219015d70f0c7dfcedc33b2220_JaffaCakes118.exe	schtasks.exe
PID 2032 wrote to memory of 2804	2032	030dc8219015d70f0c7dfcedc33b2220_JaffaCakes118.exe	schtasks.exe
PID 2032 wrote to memory of 2804	2032	030dc8219015d70f0c7dfcedc33b2220_JaffaCakes118.exe	schtasks.exe
PID 2232 wrote to memory of 2544	2232	030dc8219015d70f0c7dfcedc33b2220_JaffaCakes118.exe	WerFault.exe
PID 2232 wrote to memory of 2544	2232	030dc8219015d70f0c7dfcedc33b2220_JaffaCakes118.exe	WerFault.exe
PID 2232 wrote to memory of 2544	2232	030dc8219015d70f0c7dfcedc33b2220_JaffaCakes118.exe	WerFault.exe
PID 2232 wrote to memory of 2544	2232	030dc8219015d70f0c7dfcedc33b2220_JaffaCakes118.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\030dc8219015d70f0c7dfcedc33b2220_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\030dc8219015d70f0c7dfcedc33b2220_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2232

C:\Users\Admin\AppData\Local\Temp\030dc8219015d70f0c7dfcedc33b2220_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\030dc8219015d70f0c7dfcedc33b2220_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
- Suspicious use of WriteProcessMemory
PID:2032

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "ARP Host" /xml "C:\Users\Admin\AppData\Local\Temp\tmp26E2.tmp"
3⤵
- Scheduled Task/Job: Scheduled Task
PID:2744

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "ARP Host Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp280B.tmp"
3⤵
- Scheduled Task/Job: Scheduled Task
PID:2804

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2232 -s 1996
2⤵
- Program crash
PID:2544

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp26E2.tmp
Filesize
1KB

MD5
b95f34f11d793e63efe61fa1841e5a23

SHA1
717ae476eb628039a2dd40ecc7dd5862e928b117

SHA256
91b84cdc397a04f44f47fc251ea82f17868e8acf6c51c82e9f5e96b62d67e18a

SHA512
f29bf9226dabfffb40b170f23a4a3ffedb4ef87af230d6b04473bde087b4b135bbf335b4dff3ded8dc806b7cd97ae02a92c314909c276213fb084996bb4f1e8f

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp280B.tmp
Filesize
1KB

MD5
447ab194ab36cb1d20078d80e502b1b2

SHA1
a947b3b2c91d7c50bb8d39bd4fc91a0d0cc5b1c0

SHA256
8d5304b20b7d7dea223ce2738e5668054250d57bf6bed86b305b69924bd472f5

SHA512
49ddc557f7f6635627eea9bf0fa12a14b7b13edb235ed560ee0044a7f87fe27b686ff878d347d0273d92eb0b318b8c2bca85c0fbf42d586ed7d7da39eac6a327

Download Submit
memory/2032-13-0x0000000073F10000-0x00000000745FE000-memory.dmp

Filesize
6.9MB

Download
memory/2032-23-0x0000000000470000-0x000000000047A000-memory.dmp

Filesize
40KB

Download
memory/2032-10-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2032-8-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2032-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2032-5-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2032-4-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2032-3-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2032-29-0x0000000073F10000-0x00000000745FE000-memory.dmp

Filesize
6.9MB

Download
memory/2032-27-0x0000000073F10000-0x00000000745FE000-memory.dmp

Filesize
6.9MB

Download
memory/2032-17-0x0000000073F10000-0x00000000745FE000-memory.dmp

Filesize
6.9MB

Download
memory/2032-2-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2032-25-0x00000000005C0000-0x00000000005CA000-memory.dmp

Filesize
40KB

Download
memory/2032-12-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2032-24-0x0000000000BC0000-0x0000000000BDE000-memory.dmp

Filesize
120KB

Download
memory/2232-1-0x0000000000E10000-0x0000000000F50000-memory.dmp

Filesize
1.2MB

Download
memory/2232-26-0x0000000073F1E000-0x0000000073F1F000-memory.dmp

Filesize
4KB

Download
memory/2232-15-0x0000000073F10000-0x00000000745FE000-memory.dmp

Filesize
6.9MB

Download
memory/2232-28-0x0000000073F10000-0x00000000745FE000-memory.dmp

Filesize
6.9MB

Download
memory/2232-0-0x0000000073F1E000-0x0000000073F1F000-memory.dmp

Filesize
4KB

Download