nanocore | e9c3fc00ddb08ef196d05b56ce0c83c04381de42e8777e902e3e9c7afe4a9f11

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
26-06-2024 05:12

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General

Target

10d4a5471e7e6d37cc86e3b430cfd3e1_JaffaCakes118.exe
Size

771KB
MD5

10d4a5471e7e6d37cc86e3b430cfd3e1
SHA1

5003aa9f08bb00bd6da098b1d73c6703d6c354ab
SHA256

e9c3fc00ddb08ef196d05b56ce0c83c04381de42e8777e902e3e9c7afe4a9f11
SHA512

90df4704b82a7bf308882580453fc5b2b98ddc314c40e29044292a995f7c790737a45c656a57eaedb33de03e72fb314fefd788bb33dae3326e562a251e8a2ab4
SSDEEP

12288:VakG8U5sdcyWJbdZlM48VrAkMeRH2PaMPz7nREHi35zUp:m8MJpc6koDnREC35zU

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

cloudhost.myfirewall.org:5654

Mutex

5d933387-98af-4000-b1dd-ee5d19b70f3d

Attributes

activate_away_mode
true
backup_connection_host
cloudhost.myfirewall.org
backup_dns_server
cloudhost.myfirewall.org
buffer_size
65535
build_time
2020-11-13T08:57:28.843251936Z
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
5654
default_group
0006
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
5d933387-98af-4000-b1dd-ee5d19b70f3d
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
cloudhost.myfirewall.org
primary_dns_server
cloudhost.myfirewall.org
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:

10d4a5471e7e6d37cc86e3b430cfd3e1_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DHCP Service = "C:\\Program Files (x86)\\DHCP Service\\dhcpsv.exe"	10d4a5471e7e6d37cc86e3b430cfd3e1_JaffaCakes118.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

10d4a5471e7e6d37cc86e3b430cfd3e1_JaffaCakes118.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 10d4a5471e7e6d37cc86e3b430cfd3e1_JaffaCakes118.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

10d4a5471e7e6d37cc86e3b430cfd3e1_JaffaCakes118.exe

description pid process target process

PID 5112 set thread context of 2468 5112 10d4a5471e7e6d37cc86e3b430cfd3e1_JaffaCakes118.exe 10d4a5471e7e6d37cc86e3b430cfd3e1_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	10d4a5471e7e6d37cc86e3b430cfd3e1_JaffaCakes118.exe

description	pid	process	target process
PID 5112 set thread context of 2468	5112	10d4a5471e7e6d37cc86e3b430cfd3e1_JaffaCakes118.exe	10d4a5471e7e6d37cc86e3b430cfd3e1_JaffaCakes118.exe

Drops file in Program Files directory 2 IoCs

Processes:

10d4a5471e7e6d37cc86e3b430cfd3e1_JaffaCakes118.exe

description	ioc	process
File created	C:\Program Files (x86)\DHCP Service\dhcpsv.exe	10d4a5471e7e6d37cc86e3b430cfd3e1_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\DHCP Service\dhcpsv.exe	10d4a5471e7e6d37cc86e3b430cfd3e1_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

324 schtasks.exe
856 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

10d4a5471e7e6d37cc86e3b430cfd3e1_JaffaCakes118.exe

pid process

2468 10d4a5471e7e6d37cc86e3b430cfd3e1_JaffaCakes118.exe
2468 10d4a5471e7e6d37cc86e3b430cfd3e1_JaffaCakes118.exe
2468 10d4a5471e7e6d37cc86e3b430cfd3e1_JaffaCakes118.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

10d4a5471e7e6d37cc86e3b430cfd3e1_JaffaCakes118.exe

pid process

2468 10d4a5471e7e6d37cc86e3b430cfd3e1_JaffaCakes118.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

10d4a5471e7e6d37cc86e3b430cfd3e1_JaffaCakes118.exe

description pid process

Token: SeDebugPrivilege 2468 10d4a5471e7e6d37cc86e3b430cfd3e1_JaffaCakes118.exe

pid	process
324	schtasks.exe
856	schtasks.exe

pid	process
2468	10d4a5471e7e6d37cc86e3b430cfd3e1_JaffaCakes118.exe
2468	10d4a5471e7e6d37cc86e3b430cfd3e1_JaffaCakes118.exe
2468	10d4a5471e7e6d37cc86e3b430cfd3e1_JaffaCakes118.exe

pid	process
2468	10d4a5471e7e6d37cc86e3b430cfd3e1_JaffaCakes118.exe

description	pid	process
Token: SeDebugPrivilege	2468	10d4a5471e7e6d37cc86e3b430cfd3e1_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

10d4a5471e7e6d37cc86e3b430cfd3e1_JaffaCakes118.exe10d4a5471e7e6d37cc86e3b430cfd3e1_JaffaCakes118.exe

description	pid	process	target process
PID 5112 wrote to memory of 2468	5112	10d4a5471e7e6d37cc86e3b430cfd3e1_JaffaCakes118.exe	10d4a5471e7e6d37cc86e3b430cfd3e1_JaffaCakes118.exe
PID 5112 wrote to memory of 2468	5112	10d4a5471e7e6d37cc86e3b430cfd3e1_JaffaCakes118.exe	10d4a5471e7e6d37cc86e3b430cfd3e1_JaffaCakes118.exe
PID 5112 wrote to memory of 2468	5112	10d4a5471e7e6d37cc86e3b430cfd3e1_JaffaCakes118.exe	10d4a5471e7e6d37cc86e3b430cfd3e1_JaffaCakes118.exe
PID 5112 wrote to memory of 2468	5112	10d4a5471e7e6d37cc86e3b430cfd3e1_JaffaCakes118.exe	10d4a5471e7e6d37cc86e3b430cfd3e1_JaffaCakes118.exe
PID 5112 wrote to memory of 2468	5112	10d4a5471e7e6d37cc86e3b430cfd3e1_JaffaCakes118.exe	10d4a5471e7e6d37cc86e3b430cfd3e1_JaffaCakes118.exe
PID 5112 wrote to memory of 2468	5112	10d4a5471e7e6d37cc86e3b430cfd3e1_JaffaCakes118.exe	10d4a5471e7e6d37cc86e3b430cfd3e1_JaffaCakes118.exe
PID 5112 wrote to memory of 2468	5112	10d4a5471e7e6d37cc86e3b430cfd3e1_JaffaCakes118.exe	10d4a5471e7e6d37cc86e3b430cfd3e1_JaffaCakes118.exe
PID 5112 wrote to memory of 2468	5112	10d4a5471e7e6d37cc86e3b430cfd3e1_JaffaCakes118.exe	10d4a5471e7e6d37cc86e3b430cfd3e1_JaffaCakes118.exe
PID 2468 wrote to memory of 324	2468	10d4a5471e7e6d37cc86e3b430cfd3e1_JaffaCakes118.exe	schtasks.exe
PID 2468 wrote to memory of 324	2468	10d4a5471e7e6d37cc86e3b430cfd3e1_JaffaCakes118.exe	schtasks.exe
PID 2468 wrote to memory of 324	2468	10d4a5471e7e6d37cc86e3b430cfd3e1_JaffaCakes118.exe	schtasks.exe
PID 2468 wrote to memory of 856	2468	10d4a5471e7e6d37cc86e3b430cfd3e1_JaffaCakes118.exe	schtasks.exe
PID 2468 wrote to memory of 856	2468	10d4a5471e7e6d37cc86e3b430cfd3e1_JaffaCakes118.exe	schtasks.exe
PID 2468 wrote to memory of 856	2468	10d4a5471e7e6d37cc86e3b430cfd3e1_JaffaCakes118.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\10d4a5471e7e6d37cc86e3b430cfd3e1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\10d4a5471e7e6d37cc86e3b430cfd3e1_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5112

C:\Users\Admin\AppData\Local\Temp\10d4a5471e7e6d37cc86e3b430cfd3e1_JaffaCakes118.exe
"{path}"
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:2468

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DHCP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpC796.tmp"
3⤵
- Scheduled Task/Job: Scheduled Task
PID:324

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DHCP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpC7D5.tmp"
3⤵
- Scheduled Task/Job: Scheduled Task
PID:856

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpC796.tmp
Filesize
1KB

MD5
7b6649f876e46ee80a91f6923920b2b3

SHA1
81c59779c47393491ff7dfd61afbebe49ede7140

SHA256
c699a7c469ce0112aaf81e9e0bc690cebaf1e6d1e208af66848770dc4c403262

SHA512
509a400e910720261217ae82688b7961e03b93116caa1b61e4e21a631f7f176c4cf22d859da3f151c0fe19a0b315ac4817e44c822a36690a169db69d0eb7a4bc

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC7D5.tmp
Filesize
1KB

MD5
a77c223a0fc492dccd6fb9975f7a8766

SHA1
5e813636ae9b8138d78919348a5da3a6e8bd74b5

SHA256
589df7325d42409c50827600fedb240171ee4bdab85916474a37800c2382829e

SHA512
315cea8fde3c594404f5d3c96c710af1214cff6d08ccdb40634a739e108ff810e02624735a2b8c3e3720157b4a55327f317c3c23c3a681b46b9ab0f19060f7c0

Download Submit
memory/2468-7-0x0000000074DB0000-0x0000000075361000-memory.dmp

Filesize
5.7MB

Download
memory/2468-5-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2468-9-0x0000000074DB0000-0x0000000075361000-memory.dmp

Filesize
5.7MB

Download
memory/2468-16-0x0000000074DB0000-0x0000000075361000-memory.dmp

Filesize
5.7MB

Download
memory/2468-18-0x0000000074DB0000-0x0000000075361000-memory.dmp

Filesize
5.7MB

Download
memory/2468-19-0x0000000074DB0000-0x0000000075361000-memory.dmp

Filesize
5.7MB

Download
memory/2468-20-0x0000000074DB0000-0x0000000075361000-memory.dmp

Filesize
5.7MB

Download
memory/5112-3-0x0000000074DB2000-0x0000000074DB3000-memory.dmp

Filesize
4KB

Download
memory/5112-4-0x0000000074DB0000-0x0000000075361000-memory.dmp

Filesize
5.7MB

Download
memory/5112-0-0x0000000074DB2000-0x0000000074DB3000-memory.dmp

Filesize
4KB

Download
memory/5112-8-0x0000000074DB0000-0x0000000075361000-memory.dmp

Filesize
5.7MB

Download
memory/5112-2-0x0000000074DB0000-0x0000000075361000-memory.dmp

Filesize
5.7MB

Download
memory/5112-1-0x0000000074DB0000-0x0000000075361000-memory.dmp

Filesize
5.7MB

Download