nanocore | b63261716b1e781beb56b37cd2d44a9c336e7b420652aed09044fd43247a1b80

Analysis

max time kernel
147s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2024, 08:10

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General

Target
JaffaCakes118_0d1fdbb23b827c1e984ef0f3039d360f.exe
Size 436KB
Sample241231-j23wca1pas
SHA256 b63261716b1e781beb56b37cd2d44a9c336e7b420652aed09044fd43247a1b80
MD5 0d1fdbb23b827c1e984ef0f3039d360f
SHA1 39de26802d5014288c9601ef23d57f5102d6394e
SHA512 3d3929f9aa3ec911a7860b2e573e364056af57ee8030ca59c056ed566356d45403b5c6ac3f0a5dd6bbae8670f051b628152ff2352ec3a019cc0b6d3446ffd27e
SSDEEP 6144:it6iTDWnUw3u/S/QUNQDpKmYZwrhvKnZoV7WImYKyn9hkUGIVCYT:eTDKzq8mBrhinK7WImYVvkYVTT
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

nanocore discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

tzitziklishop.ddns.net:1665

Mutex

4c1105c5-1424-44dd-957a-16c597aebc44

Attributes

activate_away_mode
true
backup_connection_host
tzitziklishop.ddns.net
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-07-25T10:29:14.834225736Z
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
1665
default_group
OCTOBER NEW
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
4c1105c5-1424-44dd-957a-16c597aebc44
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
tzitziklishop.ddns.net
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
Nanocore family
nanocore

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	JaffaCakes118_0d1fdbb23b827c1e984ef0f3039d360f.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\SMTP Subsystem = "C:\\Program Files (x86)\\SMTP Subsystem\\smtpss.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5040 set thread context of 3288	5040	JaffaCakes118_0d1fdbb23b827c1e984ef0f3039d360f.exe	99

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\SMTP Subsystem\smtpss.exe	RegSvcs.exe
File opened for modification	C:\Program Files (x86)\SMTP Subsystem\smtpss.exe	RegSvcs.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_0d1fdbb23b827c1e984ef0f3039d360f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 3 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
1308	schtasks.exe
2528	schtasks.exe
4488	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
5040	JaffaCakes118_0d1fdbb23b827c1e984ef0f3039d360f.exe
5040	JaffaCakes118_0d1fdbb23b827c1e984ef0f3039d360f.exe
3288	RegSvcs.exe
3288	RegSvcs.exe
3288	RegSvcs.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3288	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5040	JaffaCakes118_0d1fdbb23b827c1e984ef0f3039d360f.exe
Token: SeDebugPrivilege	3288	RegSvcs.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 5040 wrote to memory of 4488	5040	JaffaCakes118_0d1fdbb23b827c1e984ef0f3039d360f.exe	98
PID 5040 wrote to memory of 4488	5040	JaffaCakes118_0d1fdbb23b827c1e984ef0f3039d360f.exe	98
PID 5040 wrote to memory of 4488	5040	JaffaCakes118_0d1fdbb23b827c1e984ef0f3039d360f.exe	98
PID 5040 wrote to memory of 3288	5040	JaffaCakes118_0d1fdbb23b827c1e984ef0f3039d360f.exe	99
PID 5040 wrote to memory of 3288	5040	JaffaCakes118_0d1fdbb23b827c1e984ef0f3039d360f.exe	99
PID 5040 wrote to memory of 3288	5040	JaffaCakes118_0d1fdbb23b827c1e984ef0f3039d360f.exe	99
PID 5040 wrote to memory of 3288	5040	JaffaCakes118_0d1fdbb23b827c1e984ef0f3039d360f.exe	99
PID 5040 wrote to memory of 3288	5040	JaffaCakes118_0d1fdbb23b827c1e984ef0f3039d360f.exe	99
PID 5040 wrote to memory of 3288	5040	JaffaCakes118_0d1fdbb23b827c1e984ef0f3039d360f.exe	99
PID 5040 wrote to memory of 3288	5040	JaffaCakes118_0d1fdbb23b827c1e984ef0f3039d360f.exe	99
PID 5040 wrote to memory of 3288	5040	JaffaCakes118_0d1fdbb23b827c1e984ef0f3039d360f.exe	99
PID 3288 wrote to memory of 1308	3288	RegSvcs.exe	101
PID 3288 wrote to memory of 1308	3288	RegSvcs.exe	101
PID 3288 wrote to memory of 1308	3288	RegSvcs.exe	101
PID 3288 wrote to memory of 2528	3288	RegSvcs.exe	103
PID 3288 wrote to memory of 2528	3288	RegSvcs.exe	103
PID 3288 wrote to memory of 2528	3288	RegSvcs.exe	103

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0d1fdbb23b827c1e984ef0f3039d360f.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0d1fdbb23b827c1e984ef0f3039d360f.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5040
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\aIUwpPsBoLTV" /XML "C:\Users\Admin\AppData\Local\Temp\tmp298C.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4488
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
  2⤵
  - Adds Run key to start application
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3288
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "SMTP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp2BCE.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1308
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "SMTP Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp2BFE.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2528

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

tmp2BCE.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp2BCE.tmp
Size 1KB
SHA256 c51e12d18cc664425f6711d8ae2507068884c7057092cfa11884100e1e9d49e1
MD5 40b11ef601fb28f9b2e69d36857bf2ec
SHA1 b6454020ad2ceed193f4792b77001d0bd741b370
SHA512 e3c5bcc714cbfca4b8058ddcddf231dcefa69c15881ce3f8123e59ed45cfb5da052b56e1945dcf8dc7f800d62f9a4eecb82bca69a66a1530787aeffeb15e2bd5
MD5 SHA1 SHA512

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tmp2BFE.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp2BFE.tmp
Size 1KB
SHA256 3d568a47a8944a47f4aed6982755ac7ff7dda469cc1c81c213ecaa5d89de1f83
MD5 0339b45ef206f4becc88be0d65e24b9e
SHA1 6503a1851f4ccd8c80a31f96bd7ae40d962c9fad
SHA512 c98f4513db34d50510dd986e0d812545c442bd5bef26932032b165759627fab4e00c95fe907ab3416a8a1042bfa77aa516c479f1ff7d1ec2f21ae66df8f72551
MD5 SHA1 SHA512

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memory/3288-14-0x0000000075380000-0x0000000075931000-memory.dmp

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memory/3288-16-0x0000000075380000-0x0000000075931000-memory.dmp

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memory/3288-26-0x0000000075380000-0x0000000075931000-memory.dmp

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memory/3288-25-0x0000000075380000-0x0000000075931000-memory.dmp

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memory/3288-11-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/3288-13-0x0000000075380000-0x0000000075931000-memory.dmp

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memory/3288-24-0x0000000075380000-0x0000000075931000-memory.dmp

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memory/5040-15-0x0000000075380000-0x0000000075931000-memory.dmp

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memory/5040-3-0x0000000075380000-0x0000000075931000-memory.dmp

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memory/5040-2-0x0000000075380000-0x0000000075931000-memory.dmp

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memory/5040-1-0x0000000075380000-0x0000000075931000-memory.dmp

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memory/5040-0-0x0000000075382000-0x0000000075383000-memory.dmp

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memory/5040-5-0x0000000075380000-0x0000000075931000-memory.dmp

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memory/5040-4-0x0000000075382000-0x0000000075383000-memory.dmp

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