nanocore | 2a97913f1069b7fefc0713a5237dd6465e6b62f5439d830258cec024c56a7a46

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
06/03/2024, 14:25

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
b79fbf5e931d1e0cd4cc72f7a8662694.exe
Size 970KB
Sample240306-rrp6haea33
SHA256 2a97913f1069b7fefc0713a5237dd6465e6b62f5439d830258cec024c56a7a46
MD5 b79fbf5e931d1e0cd4cc72f7a8662694
SHA1 49eb5908db1c17a9d4d5f81a7e0b155f8eb673db
SHA512 224e68d3d9e31a4ef0df1ef0fc17a0332284eb8f0fc4f2c3d053a06f9e1f3febcc4535dac30383b984a801b148c12bbbc333d457d32adf1b58b7baf12c148c59
SSDEEP 24576:iQ9jRUtMHnE2qNL3kUzdcPBqM12YoynSrr3wmq1sK:Nfc8nEFNL3bzaB912bySP3Z
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

nanocore keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

blackbladeinc52.ddns.net:1664

Mutex

fbbfab5f-08ef-48d2-8383-b548f171bb82

Attributes

activate_away_mode
true
backup_connection_host
blackbladeinc52.ddns.net
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-05-26T16:20:34.020102036Z
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
1664
default_group
NEW MONEY
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
fbbfab5f-08ef-48d2-8383-b548f171bb82
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
blackbladeinc52.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

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-1-5-21-275798769-4264537674-1142822080-1000\Control Panel\International\Geo\Nation	b79fbf5e931d1e0cd4cc72f7a8662694.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\PCI Service = "C:\\Program Files (x86)\\PCI Service\\pcisvc.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2148 set thread context of 4484	2148	b79fbf5e931d1e0cd4cc72f7a8662694.exe	103

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\PCI Service\pcisvc.exe	RegSvcs.exe
File opened for modification	C:\Program Files (x86)\PCI Service\pcisvc.exe	RegSvcs.exe

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 3 IoCs

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

persistence

Scheduled Task/Job

T1053

pid	Process
4828	schtasks.exe
4532	schtasks.exe
3964	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2148	b79fbf5e931d1e0cd4cc72f7a8662694.exe
4484	RegSvcs.exe
4484	RegSvcs.exe
4484	RegSvcs.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4484	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2148	b79fbf5e931d1e0cd4cc72f7a8662694.exe
Token: SeDebugPrivilege	4484	RegSvcs.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2148 wrote to memory of 4828	2148	b79fbf5e931d1e0cd4cc72f7a8662694.exe	101
PID 2148 wrote to memory of 4828	2148	b79fbf5e931d1e0cd4cc72f7a8662694.exe	101
PID 2148 wrote to memory of 4828	2148	b79fbf5e931d1e0cd4cc72f7a8662694.exe	101
PID 2148 wrote to memory of 4484	2148	b79fbf5e931d1e0cd4cc72f7a8662694.exe	103
PID 2148 wrote to memory of 4484	2148	b79fbf5e931d1e0cd4cc72f7a8662694.exe	103
PID 2148 wrote to memory of 4484	2148	b79fbf5e931d1e0cd4cc72f7a8662694.exe	103
PID 2148 wrote to memory of 4484	2148	b79fbf5e931d1e0cd4cc72f7a8662694.exe	103
PID 2148 wrote to memory of 4484	2148	b79fbf5e931d1e0cd4cc72f7a8662694.exe	103
PID 2148 wrote to memory of 4484	2148	b79fbf5e931d1e0cd4cc72f7a8662694.exe	103
PID 2148 wrote to memory of 4484	2148	b79fbf5e931d1e0cd4cc72f7a8662694.exe	103
PID 2148 wrote to memory of 4484	2148	b79fbf5e931d1e0cd4cc72f7a8662694.exe	103
PID 4484 wrote to memory of 4532	4484	RegSvcs.exe	104
PID 4484 wrote to memory of 4532	4484	RegSvcs.exe	104
PID 4484 wrote to memory of 4532	4484	RegSvcs.exe	104
PID 4484 wrote to memory of 3964	4484	RegSvcs.exe	106
PID 4484 wrote to memory of 3964	4484	RegSvcs.exe	106
PID 4484 wrote to memory of 3964	4484	RegSvcs.exe	106

C:\Users\Admin\AppData\Local\Temp\b79fbf5e931d1e0cd4cc72f7a8662694.exe
"C:\Users\Admin\AppData\Local\Temp\b79fbf5e931d1e0cd4cc72f7a8662694.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2148
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rTABytwhGIZpaF" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE704.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:4828
- 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
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4484
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "PCI Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpE927.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:4532
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "PCI Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpE957.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:3964

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

tmpE704.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmpE704.tmp
Size 1KB
SHA256 9df605afe53502a6689a25c8858057c3a0168f1b0a7ef35f429e0b95c39b4d42
MD5 f73a758d22f1239b4d5120376298317f
SHA1 d37d3e0d09fb32cfe8efcc5863d870b6bde2cef9
SHA512 82d88f610a7e2db3f33893d547eef758f8cc80b7ae1838694056def442dea86cf9880d6f6926731d03c4fb03a4f620c4e9e13d33521f703adabe0e99972a3807
MD5 SHA1 SHA512

Submit Download

tmpE927.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmpE927.tmp
Size 1KB
SHA256 c51e12d18cc664425f6711d8ae2507068884c7057092cfa11884100e1e9d49e1
MD5 40b11ef601fb28f9b2e69d36857bf2ec
SHA1 b6454020ad2ceed193f4792b77001d0bd741b370
SHA512 e3c5bcc714cbfca4b8058ddcddf231dcefa69c15881ce3f8123e59ed45cfb5da052b56e1945dcf8dc7f800d62f9a4eecb82bca69a66a1530787aeffeb15e2bd5
MD5 SHA1 SHA512

Submit Download

tmpE957.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmpE957.tmp
Size 1KB
SHA256 192ac26e1895b267149bde35c55327f4a441693495239da5899062924d45bd11
MD5 a4f6fa4537e2dcf0d3e2802c0f070a4d
SHA1 03545095bfeddd7656b5b8547ab84a810324a94f
SHA512 a4293123d718b0511a8301a7f536e403cecf8bc89f25f9dc4692b293eb8a554a8eb67993a26fe0e96792b6eb3573b34e9b270777cafe95c2383268da6d40fd2e
MD5 SHA1 SHA512

Submit Download

memory/2148-4-0x0000000000A30000-0x0000000000A40000-memory.dmp

Download

memory/2148-0-0x0000000075160000-0x0000000075711000-memory.dmp

Download

memory/2148-3-0x0000000075160000-0x0000000075711000-memory.dmp

Download

memory/2148-1-0x0000000075160000-0x0000000075711000-memory.dmp

Download

memory/2148-2-0x0000000000A30000-0x0000000000A40000-memory.dmp

Download

memory/2148-12-0x0000000075160000-0x0000000075711000-memory.dmp

Download

memory/4484-15-0x0000000001710000-0x0000000001720000-memory.dmp

Download

memory/4484-14-0x0000000075160000-0x0000000075711000-memory.dmp

Download

memory/4484-13-0x0000000075160000-0x0000000075711000-memory.dmp

Download

memory/4484-10-0x0000000000400000-0x0000000000438000-memory.dmp

Download

memory/4484-23-0x0000000001710000-0x0000000001720000-memory.dmp

Download

memory/4484-24-0x0000000075160000-0x0000000075711000-memory.dmp

Download

memory/4484-25-0x0000000001710000-0x0000000001720000-memory.dmp

Download

memory/4484-26-0x0000000001710000-0x0000000001720000-memory.dmp

Download