nanocore | 1feec92d18902bbc841954145ee920e2dff92ed61759b17e451d8e59b95336ef

Analysis

max time kernel
76s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
10/09/2022, 07:46

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General

Target
PURCHASE ORDER #07092022.exe
Size 269KB
Sample220910-jlylpadeak
SHA256 1feec92d18902bbc841954145ee920e2dff92ed61759b17e451d8e59b95336ef
MD5 3d7909a4c69d7965f3ce0d9c9afb47e0
SHA1 a4ef26b0768ea38c307d334269beebe4bfcd8026
SHA512 103e810968679629c373983834d440d8d4b1804b65cc5ece99e1e5bf8005ea56db1d2f369ba56ef3efe675b14cb1675d85b6955bf8f27b3a5be8b5ab17572a37
SSDEEP 6144:YZyB96qbOLUTnHfJBng++++4+++++++0++++++++YmZL+:0vUOL+nzg++++4+++++++0+++++++
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

nanocore keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

79.110.62.158:4089
127.0.0.1:4089

Mutex

9afffa13-03db-4357-8000-31753020feef

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2022-06-21T14:39:46.685878836Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
4089
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
9afffa13-03db-4357-8000-31753020feef
mutex_timeout
5033
prevent_system_sleep
false
primary_connection_host
79.110.62.158
primary_dns_server
8.8.8.8
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
true
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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	PURCHASE ORDER #07092022.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Nzriqimnh = "\"C:\\Users\\Admin\\AppData\\Roaming\\Mvlmnac\\Nzriqimnh.exe\""	PURCHASE ORDER #07092022.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4848 set thread context of 4876	4848	PURCHASE ORDER #07092022.exe	98

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4452	powershell.exe
4452	powershell.exe
4876	MSBuild.exe
4876	MSBuild.exe
4876	MSBuild.exe
4876	MSBuild.exe
4876	MSBuild.exe
4876	MSBuild.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4876	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4848	PURCHASE ORDER #07092022.exe
Token: SeDebugPrivilege	4452	powershell.exe
Token: SeDebugPrivilege	4876	MSBuild.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4848 wrote to memory of 4452	4848	PURCHASE ORDER #07092022.exe	86
PID 4848 wrote to memory of 4452	4848	PURCHASE ORDER #07092022.exe	86
PID 4848 wrote to memory of 4452	4848	PURCHASE ORDER #07092022.exe	86
PID 4848 wrote to memory of 4876	4848	PURCHASE ORDER #07092022.exe	98
PID 4848 wrote to memory of 4876	4848	PURCHASE ORDER #07092022.exe	98
PID 4848 wrote to memory of 4876	4848	PURCHASE ORDER #07092022.exe	98
PID 4848 wrote to memory of 4876	4848	PURCHASE ORDER #07092022.exe	98
PID 4848 wrote to memory of 4876	4848	PURCHASE ORDER #07092022.exe	98
PID 4848 wrote to memory of 4876	4848	PURCHASE ORDER #07092022.exe	98
PID 4848 wrote to memory of 4876	4848	PURCHASE ORDER #07092022.exe	98
PID 4848 wrote to memory of 4876	4848	PURCHASE ORDER #07092022.exe	98

C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER #07092022.exe
"C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER #07092022.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4848
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMwAwAA==
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4452
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:4876

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4452-140-0x0000000007FB0000-0x000000000862A000-memory.dmp

Download

memory/4452-141-0x0000000006E30000-0x0000000006E4A000-memory.dmp

Download

memory/4452-135-0x0000000003360000-0x0000000003396000-memory.dmp

Download

memory/4452-136-0x0000000005BC0000-0x00000000061E8000-memory.dmp

Download

memory/4452-137-0x0000000006260000-0x00000000062C6000-memory.dmp

Download

memory/4452-139-0x0000000006940000-0x000000000695E000-memory.dmp

Download

memory/4452-138-0x0000000006340000-0x00000000063A6000-memory.dmp

Download

memory/4848-132-0x00000000008C0000-0x000000000090A000-memory.dmp

Download

memory/4848-133-0x0000000005E40000-0x0000000005E62000-memory.dmp

Download

memory/4876-143-0x0000000000400000-0x0000000000438000-memory.dmp

Download

memory/4876-144-0x00000000057A0000-0x0000000005D44000-memory.dmp

Download

memory/4876-145-0x0000000005140000-0x00000000051D2000-memory.dmp

Download

memory/4876-146-0x00000000051F0000-0x000000000528C000-memory.dmp

Download

memory/4876-147-0x0000000002C40000-0x0000000002C4A000-memory.dmp

Download