nanocore | 219d77ffa3b6374e8788c7b3795be98ac16ea69837d37acb4fb6893d168c4314

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
13-06-2024 02:47

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General

Target

a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe
Size

259KB
MD5

a39580df4cc0d70d1901385fdc538c8d
SHA1

33c4eaff22cbf014b9139b4fabfc273fa66a22c3
SHA256

219d77ffa3b6374e8788c7b3795be98ac16ea69837d37acb4fb6893d168c4314
SHA512

fb8d0e25302ac0ba796eb63f25a0c7d68c2833b09169b68ea4a12212239e821e625876467dc067091b6880c64741d391ff145e8041f81122f930277c412699b1
SSDEEP

6144:KEnlCa3yfXYE5spGys0EGjP4tNsQNMMIprxxvX8Zr:TQXMr63ZYz8F

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

194.5.97.182:4455

Mutex

c083bfdc-a7fe-41ca-a43a-87463cec4889

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-07-12T03:01:51.949077736Z
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
4455
default_group
SALES
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
c083bfdc-a7fe-41ca-a43a-87463cec4889
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
194.5.97.182
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:

a39580df4cc0d70d1901385fdc538c8d_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"	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe

description pid process target process

PID 1612 set thread context of 2660 1612 a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe

description	pid	process	target process
PID 1612 set thread context of 2660	1612	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe

Drops file in Program Files directory 2 IoCs

Processes:

a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe

description	ioc	process
File created	C:\Program Files (x86)\ARP Host\arphost.exe	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\ARP Host\arphost.exe	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe

Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exeschtasks.exe

pid process

2596 schtasks.exe
1636 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exea39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe

pid process

1612 a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe
2660 a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe
2660 a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe

pid process

2660 a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exea39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe

description pid process

Token: SeDebugPrivilege 1612 a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe
Token: SeDebugPrivilege 2660 a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe

pid	process
2596	schtasks.exe
1636	schtasks.exe

pid	process
1612	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe
2660	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe
2660	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe

pid	process
2660	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe

description	pid	process
Token: SeDebugPrivilege	1612	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe
Token: SeDebugPrivilege	2660	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exea39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe

description	pid	process	target process
PID 1612 wrote to memory of 2660	1612	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe
PID 1612 wrote to memory of 2660	1612	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe
PID 1612 wrote to memory of 2660	1612	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe
PID 1612 wrote to memory of 2660	1612	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe
PID 1612 wrote to memory of 2660	1612	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe
PID 1612 wrote to memory of 2660	1612	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe
PID 1612 wrote to memory of 2660	1612	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe
PID 1612 wrote to memory of 2660	1612	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe
PID 1612 wrote to memory of 2660	1612	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe
PID 2660 wrote to memory of 2596	2660	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe	schtasks.exe
PID 2660 wrote to memory of 2596	2660	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe	schtasks.exe
PID 2660 wrote to memory of 2596	2660	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe	schtasks.exe
PID 2660 wrote to memory of 2596	2660	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe	schtasks.exe
PID 2660 wrote to memory of 1636	2660	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe	schtasks.exe
PID 2660 wrote to memory of 1636	2660	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe	schtasks.exe
PID 2660 wrote to memory of 1636	2660	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe	schtasks.exe
PID 2660 wrote to memory of 1636	2660	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1612

C:\Users\Admin\AppData\Local\Temp\a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a39580df4cc0d70d1901385fdc538c8d_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:2660

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "ARP Host" /xml "C:\Users\Admin\AppData\Local\Temp\tmp495F.tmp"
3⤵
- Creates scheduled task(s)
PID:2596

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "ARP Host Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp49CD.tmp"
3⤵
- Creates scheduled task(s)
PID:1636

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp495F.tmp
Filesize
1KB

MD5
8ddfa82c0c1ccd1744a6a1b161fc4ac2

SHA1
b593a0c4e163013eaf1cd5d048f3da43d7c2e4b9

SHA256
effb93c90b978f5e5d65c154e3dc17c4d71638d236a4ece69ba8edfce4f4ff88

SHA512
1b65f955864225e94ca382cff3a3c33b24144b6b15528254034bab32d4b2a83223e2db3c9af2e16fb4dae91d55ffd3d2f558b8fa2fd6eabf6c87b5e9bc3657a5

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp49CD.tmp
Filesize
1KB

MD5
447ab194ab36cb1d20078d80e502b1b2

SHA1
a947b3b2c91d7c50bb8d39bd4fc91a0d0cc5b1c0

SHA256
8d5304b20b7d7dea223ce2738e5668054250d57bf6bed86b305b69924bd472f5

SHA512
49ddc557f7f6635627eea9bf0fa12a14b7b13edb235ed560ee0044a7f87fe27b686ff878d347d0273d92eb0b318b8c2bca85c0fbf42d586ed7d7da39eac6a327

Download Submit
memory/1612-0-0x00000000742DE000-0x00000000742DF000-memory.dmp

Filesize
4KB

Download
memory/1612-1-0x0000000001180000-0x00000000011C8000-memory.dmp

Filesize
288KB

Download
memory/1612-2-0x00000000742D0000-0x00000000749BE000-memory.dmp

Filesize
6.9MB

Download
memory/1612-3-0x00000000004B0000-0x00000000004BA000-memory.dmp

Filesize
40KB

Download
memory/1612-4-0x00000000004C0000-0x00000000004CA000-memory.dmp

Filesize
40KB

Download
memory/1612-30-0x00000000742D0000-0x00000000749BE000-memory.dmp

Filesize
6.9MB

Download
memory/1612-29-0x00000000742DE000-0x00000000742DF000-memory.dmp

Filesize
4KB

Download
memory/2660-6-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2660-16-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2660-7-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2660-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2660-17-0x00000000742D0000-0x00000000749BE000-memory.dmp

Filesize
6.9MB

Download
memory/2660-20-0x00000000742D0000-0x00000000749BE000-memory.dmp

Filesize
6.9MB

Download
memory/2660-11-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2660-8-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2660-26-0x0000000000650000-0x000000000065A000-memory.dmp

Filesize
40KB

Download
memory/2660-27-0x0000000000B30000-0x0000000000B4E000-memory.dmp

Filesize
120KB

Download
memory/2660-28-0x0000000000660000-0x000000000066A000-memory.dmp

Filesize
40KB

Download
memory/2660-13-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2660-5-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2660-31-0x00000000742D0000-0x00000000749BE000-memory.dmp

Filesize
6.9MB

Download
memory/2660-32-0x00000000742D0000-0x00000000749BE000-memory.dmp

Filesize
6.9MB

Download