nanocore | 058e2c02b8cfb93b480ea8cfac08e967b39631a579256ebee27fb7472194c1ea

General

Target

058e2c02b8cfb93b480ea8cfac08e967b39631a579256ebee27fb7472194c1ea.exe
Size

758KB
MD5

8e2827146c4c433affba78c88fd685db
SHA1

de632114a70a9ad4b16ed686e48477f398531ae0
SHA256

058e2c02b8cfb93b480ea8cfac08e967b39631a579256ebee27fb7472194c1ea
SHA512

ba45a34ecb7d176392c43cd8b80d8181e77f1cc6536459163439a4456389a6208e053bc6a449f7974595d44b69a269833958bfe1ede7498f31538b84ddbff151
SSDEEP

12288:fn9InteYPjOFGGCA2ythZoESN0vXMgmW3oSrnvuiYZftZvskj2/Q4AyrrRPdh:fEPtpy/2ESNimW3oovZYB2o4JPd

Score

10^/10

nanocore discovery evasion execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

66.63.187.113:1664

Mutex

a376f716-2f77-4943-a431-3a3bcb53b7c0

Attributes

activate_away_mode
true
backup_connection_host
66.63.187.113
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2024-08-05T03:49:33.827385136Z
bypass_user_account_control
false
bypass_user_account_control_data
PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTE2Ij8+DQo8VGFzayB2ZXJzaW9uPSIxLjIiIHhtbG5zPSJodHRwOi8vc2NoZW1hcy5taWNyb3NvZnQuY29tL3dpbmRvd3MvMjAwNC8wMi9taXQvdGFzayI+DQogIDxSZWdpc3RyYXRpb25JbmZvIC8+DQogIDxUcmlnZ2VycyAvPg0KICA8UHJpbmNpcGFscz4NCiAgICA8UHJpbmNpcGFsIGlkPSJBdXRob3IiPg0KICAgICAgPExvZ29uVHlwZT5JbnRlcmFjdGl2ZVRva2VuPC9Mb2dvblR5cGU+DQogICAgICA8UnVuTGV2ZWw+SGlnaGVzdEF2YWlsYWJsZTwvUnVuTGV2ZWw+DQogICAgPC9QcmluY2lwYWw+DQogIDwvUHJpbmNpcGFscz4NCiAgPFNldHRpbmdzPg0KICAgIDxNdWx0aXBsZUluc3RhbmNlc1BvbGljeT5QYXJhbGxlbDwvTXVsdGlwbGVJbnN0YW5jZXNQb2xpY3k+DQogICAgPERpc2FsbG93U3RhcnRJZk9uQmF0dGVyaWVzPmZhbHNlPC9EaXNhbGxvd1N0YXJ0SWZPbkJhdHRlcmllcz4NCiAgICA8U3RvcElmR29pbmdPbkJhdHRlcmllcz5mYWxzZTwvU3RvcElmR29pbmdPbkJhdHRlcmllcz4NCiAgICA8QWxsb3dIYXJkVGVybWluYXRlPnRydWU8L0FsbG93SGFyZFRlcm1pbmF0ZT4NCiAgICA8U3RhcnRXaGVuQXZhaWxhYmxlPmZhbHNlPC9TdGFydFdoZW5BdmFpbGFibGU+DQogICAgPFJ1bk9ubHlJZk5ldHdvcmtBdmFpbGFibGU+ZmFsc2U8L1J1bk9ubHlJZk5ldHdvcmtBdmFpbGFibGU+DQogICAgPElkbGVTZXR0aW5ncz4NCiAgICAgIDxTdG9wT25JZGxlRW5kPmZhbHNlPC9TdG9wT25JZGxlRW5kPg0KICAgICAgPFJlc3RhcnRPbklkbGU+ZmFsc2U8L1Jlc3RhcnRPbklkbGU+DQogICAgPC9JZGxlU2V0dGluZ3M+DQogICAgPEFsbG93U3RhcnRPbkRlbWFuZD50cnVlPC9BbGxvd1N0YXJ0T25EZW1hbmQ+DQogICAgPEVuYWJsZWQ+dHJ1ZTwvRW5hYmxlZD4NCiAgICA8SGlkZGVuPmZhbHNlPC9IaWRkZW4+DQogICAgPFJ1bk9ubHlJZklkbGU+ZmFsc2U8L1J1bk9ubHlJZklkbGU+DQogICAgPFdha2VUb1J1bj5mYWxzZTwvV2FrZVRvUnVuPg0KICAgIDxFeGVjdXRpb25UaW1lTGltaXQ+UFQwUzwvRXhlY3V0aW9uVGltZUxpbWl0Pg0KICAgIDxQcmlvcml0eT40PC9Qcmlvcml0eT4NCiAgPC9TZXR0aW5ncz4NCiAgPEFjdGlvbnMgQ29udGV4dD0iQXV0aG9yIj4NCiAgICA8RXhlYz4NCiAgICAgIDxDb21tYW5kPiIjRVhFQ1VUQUJMRVBBVEgiPC9Db21tYW5kPg0KICAgICAgPEFyZ3VtZW50cz4kKEFyZzApPC9Bcmd1bWVudHM+DQogICAgPC9FeGVjPg0KICA8L0FjdGlvbnM+DQo8L1Rhc2s+
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
1664
default_group
CAT
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
a376f716-2f77-4943-a431-3a3bcb53b7c0
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
66.63.187.113
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

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2200	powershell.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\UDP Manager = "C:\\Program Files (x86)\\UDP Manager\\udpmgr.exe"	058e2c02b8cfb93b480ea8cfac08e967b39631a579256ebee27fb7472194c1ea.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	058e2c02b8cfb93b480ea8cfac08e967b39631a579256ebee27fb7472194c1ea.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2128 set thread context of 2720	2128	058e2c02b8cfb93b480ea8cfac08e967b39631a579256ebee27fb7472194c1ea.exe	33

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\UDP Manager\udpmgr.exe	058e2c02b8cfb93b480ea8cfac08e967b39631a579256ebee27fb7472194c1ea.exe
File opened for modification	C:\Program Files (x86)\UDP Manager\udpmgr.exe	058e2c02b8cfb93b480ea8cfac08e967b39631a579256ebee27fb7472194c1ea.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	058e2c02b8cfb93b480ea8cfac08e967b39631a579256ebee27fb7472194c1ea.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	058e2c02b8cfb93b480ea8cfac08e967b39631a579256ebee27fb7472194c1ea.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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 2 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
2580	schtasks.exe
2620	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2200	powershell.exe
2720	058e2c02b8cfb93b480ea8cfac08e967b39631a579256ebee27fb7472194c1ea.exe
2720	058e2c02b8cfb93b480ea8cfac08e967b39631a579256ebee27fb7472194c1ea.exe
2720	058e2c02b8cfb93b480ea8cfac08e967b39631a579256ebee27fb7472194c1ea.exe
2720	058e2c02b8cfb93b480ea8cfac08e967b39631a579256ebee27fb7472194c1ea.exe
2720	058e2c02b8cfb93b480ea8cfac08e967b39631a579256ebee27fb7472194c1ea.exe
2720	058e2c02b8cfb93b480ea8cfac08e967b39631a579256ebee27fb7472194c1ea.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2720	058e2c02b8cfb93b480ea8cfac08e967b39631a579256ebee27fb7472194c1ea.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2200	powershell.exe
Token: SeDebugPrivilege	2720	058e2c02b8cfb93b480ea8cfac08e967b39631a579256ebee27fb7472194c1ea.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2128 wrote to memory of 2200	2128	058e2c02b8cfb93b480ea8cfac08e967b39631a579256ebee27fb7472194c1ea.exe	31
PID 2128 wrote to memory of 2200	2128	058e2c02b8cfb93b480ea8cfac08e967b39631a579256ebee27fb7472194c1ea.exe	31
PID 2128 wrote to memory of 2200	2128	058e2c02b8cfb93b480ea8cfac08e967b39631a579256ebee27fb7472194c1ea.exe	31
PID 2128 wrote to memory of 2200	2128	058e2c02b8cfb93b480ea8cfac08e967b39631a579256ebee27fb7472194c1ea.exe	31
PID 2128 wrote to memory of 2720	2128	058e2c02b8cfb93b480ea8cfac08e967b39631a579256ebee27fb7472194c1ea.exe	33
PID 2128 wrote to memory of 2720	2128	058e2c02b8cfb93b480ea8cfac08e967b39631a579256ebee27fb7472194c1ea.exe	33
PID 2128 wrote to memory of 2720	2128	058e2c02b8cfb93b480ea8cfac08e967b39631a579256ebee27fb7472194c1ea.exe	33
PID 2128 wrote to memory of 2720	2128	058e2c02b8cfb93b480ea8cfac08e967b39631a579256ebee27fb7472194c1ea.exe	33
PID 2128 wrote to memory of 2720	2128	058e2c02b8cfb93b480ea8cfac08e967b39631a579256ebee27fb7472194c1ea.exe	33
PID 2128 wrote to memory of 2720	2128	058e2c02b8cfb93b480ea8cfac08e967b39631a579256ebee27fb7472194c1ea.exe	33
PID 2128 wrote to memory of 2720	2128	058e2c02b8cfb93b480ea8cfac08e967b39631a579256ebee27fb7472194c1ea.exe	33
PID 2128 wrote to memory of 2720	2128	058e2c02b8cfb93b480ea8cfac08e967b39631a579256ebee27fb7472194c1ea.exe	33
PID 2128 wrote to memory of 2720	2128	058e2c02b8cfb93b480ea8cfac08e967b39631a579256ebee27fb7472194c1ea.exe	33
PID 2720 wrote to memory of 2580	2720	058e2c02b8cfb93b480ea8cfac08e967b39631a579256ebee27fb7472194c1ea.exe	34
PID 2720 wrote to memory of 2580	2720	058e2c02b8cfb93b480ea8cfac08e967b39631a579256ebee27fb7472194c1ea.exe	34
PID 2720 wrote to memory of 2580	2720	058e2c02b8cfb93b480ea8cfac08e967b39631a579256ebee27fb7472194c1ea.exe	34
PID 2720 wrote to memory of 2580	2720	058e2c02b8cfb93b480ea8cfac08e967b39631a579256ebee27fb7472194c1ea.exe	34
PID 2720 wrote to memory of 2620	2720	058e2c02b8cfb93b480ea8cfac08e967b39631a579256ebee27fb7472194c1ea.exe	36
PID 2720 wrote to memory of 2620	2720	058e2c02b8cfb93b480ea8cfac08e967b39631a579256ebee27fb7472194c1ea.exe	36
PID 2720 wrote to memory of 2620	2720	058e2c02b8cfb93b480ea8cfac08e967b39631a579256ebee27fb7472194c1ea.exe	36
PID 2720 wrote to memory of 2620	2720	058e2c02b8cfb93b480ea8cfac08e967b39631a579256ebee27fb7472194c1ea.exe	36

C:\Users\Admin\AppData\Local\Temp\058e2c02b8cfb93b480ea8cfac08e967b39631a579256ebee27fb7472194c1ea.exe
"C:\Users\Admin\AppData\Local\Temp\058e2c02b8cfb93b480ea8cfac08e967b39631a579256ebee27fb7472194c1ea.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2128
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\058e2c02b8cfb93b480ea8cfac08e967b39631a579256ebee27fb7472194c1ea.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2200
- C:\Users\Admin\AppData\Local\Temp\058e2c02b8cfb93b480ea8cfac08e967b39631a579256ebee27fb7472194c1ea.exe
  "C:\Users\Admin\AppData\Local\Temp\058e2c02b8cfb93b480ea8cfac08e967b39631a579256ebee27fb7472194c1ea.exe"
  2⤵
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - 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:2720
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "UDP Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmpA2E.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2580
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "UDP Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpABB.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2620

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpA2E.tmp

Filesize
1KB

MD5
50ee269eaf032086bd66936208c1cc15

SHA1
2a8b857f2d11997668ded0237ac0473c9bd9cf42

SHA256
d11ae3f32e1f22956423a6211cc8c0f4e6442a25e6f325e3045062a173f6c72a

SHA512
71357c1a5aca3e6ba762af7b7c717d6f2e21614919fdb167f5463a959260428f14fff9e4d2425ea58c8379c7259c95281fd8c2b6b455032535c11f42026bccc1

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpABB.tmp

Filesize
1KB

MD5
c1c4b266e129249076bbe8a15cc5e06c

SHA1
312b8173c264245c834eee91e05dcca845c341f8

SHA256
f336d06dcadca621be6b2dc9493dcb84d871497e65142bc9fdd72c9f250a1b7b

SHA512
0f02ec7700f89d95d29014eec42d13c85234351c3fe1dc6a3efeea52ea76ca4bea3151567a6c798b5ce658d481b424646b43d93e95ccad897356a87a25d45041

Download Submit
memory/2128-19-0x0000000074080000-0x000000007476E000-memory.dmp

Filesize
6.9MB

Download
memory/2128-1-0x0000000000070000-0x0000000000134000-memory.dmp

Filesize
784KB

Download
memory/2128-2-0x0000000074080000-0x000000007476E000-memory.dmp

Filesize
6.9MB

Download
memory/2128-3-0x00000000006C0000-0x00000000006DC000-memory.dmp

Filesize
112KB

Download
memory/2128-4-0x000000007408E000-0x000000007408F000-memory.dmp

Filesize
4KB

Download
memory/2128-5-0x0000000074080000-0x000000007476E000-memory.dmp

Filesize
6.9MB

Download
memory/2128-6-0x0000000000620000-0x000000000069A000-memory.dmp

Filesize
488KB

Download
memory/2128-0-0x000000007408E000-0x000000007408F000-memory.dmp

Filesize
4KB

Download
memory/2720-13-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2720-34-0x0000000074080000-0x000000007476E000-memory.dmp

Filesize
6.9MB

Download
memory/2720-9-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2720-8-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2720-7-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2720-18-0x0000000074080000-0x000000007476E000-memory.dmp

Filesize
6.9MB

Download
memory/2720-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2720-20-0x0000000074080000-0x000000007476E000-memory.dmp

Filesize
6.9MB

Download
memory/2720-15-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2720-17-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2720-30-0x0000000000680000-0x000000000068A000-memory.dmp

Filesize
40KB

Download
memory/2720-31-0x0000000000690000-0x00000000006AE000-memory.dmp

Filesize
120KB

Download
memory/2720-32-0x00000000006B0000-0x00000000006BA000-memory.dmp

Filesize
40KB

Download
memory/2720-10-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2720-35-0x0000000074080000-0x000000007476E000-memory.dmp

Filesize
6.9MB

Download
memory/2720-37-0x0000000001E50000-0x0000000001E62000-memory.dmp

Filesize
72KB

Download
memory/2720-38-0x0000000001E60000-0x0000000001E7A000-memory.dmp

Filesize
104KB

Download
memory/2720-39-0x0000000001E90000-0x0000000001E9E000-memory.dmp

Filesize
56KB

Download
memory/2720-42-0x0000000001F50000-0x0000000001F5E000-memory.dmp

Filesize
56KB

Download
memory/2720-41-0x0000000001F00000-0x0000000001F0C000-memory.dmp

Filesize
48KB

Download
memory/2720-40-0x0000000001EA0000-0x0000000001EB2000-memory.dmp

Filesize
72KB

Download
memory/2720-45-0x0000000001FC0000-0x0000000001FD4000-memory.dmp

Filesize
80KB

Download
memory/2720-44-0x0000000001F70000-0x0000000001F80000-memory.dmp

Filesize
64KB

Download
memory/2720-43-0x0000000001F60000-0x0000000001F74000-memory.dmp

Filesize
80KB

Download
memory/2720-46-0x0000000001FD0000-0x0000000001FDE000-memory.dmp

Filesize
56KB

Download
memory/2720-48-0x0000000002030000-0x0000000002044000-memory.dmp

Filesize
80KB

Download
memory/2720-47-0x0000000004B40000-0x0000000004B6E000-memory.dmp

Filesize
184KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads