nanocore | 4a842606d80e5bc30a9817fc11877889b24e3daccc2ba7ea0711d5c259e70226

Analysis

max time kernel
124s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
23/09/2024, 14:41

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General

Target

280baa14b25c23e63122a4028928dff0.exe
Size

629KB
MD5

280baa14b25c23e63122a4028928dff0
SHA1

8070c5e450768312a50c64be6edc386b009bea77
SHA256

4a842606d80e5bc30a9817fc11877889b24e3daccc2ba7ea0711d5c259e70226
SHA512

26b96a7b246c3abaa02a989ea1e90a9ede181133f8a1e1b9605b3812f1505527d4164e14c169c73773e5872881bfa512793cffb381110c4a3b4f160e307f0f6f
SSDEEP

12288:6dbG8Q1q8vDd/e6REdJqTu5XWN62tlN3d8SPzG2gvXqQ4tqXZUwxTJ:n8C7pecAMC5XKvNt8S7Nsy4FlJ

Score

10^/10

nanocore discovery evasion execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

pnauco5.ddns.net:1664

Mutex

cde38e58-d99c-4068-b775-59569bc2e8ce

Attributes

activate_away_mode
true
backup_connection_host
pnauco5.ddns.net
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2024-07-03T06:48:27.569053036Z
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
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
cde38e58-d99c-4068-b775-59569bc2e8ce
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
pnauco5.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

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
1140	powershell.exe

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-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation	280baa14b25c23e63122a4028928dff0.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\WPA Monitor = "C:\\Program Files (x86)\\WPA Monitor\\wpamon.exe"	280baa14b25c23e63122a4028928dff0.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	280baa14b25c23e63122a4028928dff0.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 752 set thread context of 3376	752	280baa14b25c23e63122a4028928dff0.exe	98

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\WPA Monitor\wpamon.exe	280baa14b25c23e63122a4028928dff0.exe
File opened for modification	C:\Program Files (x86)\WPA Monitor\wpamon.exe	280baa14b25c23e63122a4028928dff0.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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	280baa14b25c23e63122a4028928dff0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	280baa14b25c23e63122a4028928dff0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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
2720	schtasks.exe
1688	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
1140	powershell.exe
1140	powershell.exe
1140	powershell.exe
3376	280baa14b25c23e63122a4028928dff0.exe
3376	280baa14b25c23e63122a4028928dff0.exe
3376	280baa14b25c23e63122a4028928dff0.exe
3376	280baa14b25c23e63122a4028928dff0.exe
3376	280baa14b25c23e63122a4028928dff0.exe
3376	280baa14b25c23e63122a4028928dff0.exe
3376	280baa14b25c23e63122a4028928dff0.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3376	280baa14b25c23e63122a4028928dff0.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1140	powershell.exe
Token: SeDebugPrivilege	3376	280baa14b25c23e63122a4028928dff0.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 752 wrote to memory of 1140	752	280baa14b25c23e63122a4028928dff0.exe	97
PID 752 wrote to memory of 1140	752	280baa14b25c23e63122a4028928dff0.exe	97
PID 752 wrote to memory of 1140	752	280baa14b25c23e63122a4028928dff0.exe	97
PID 752 wrote to memory of 3376	752	280baa14b25c23e63122a4028928dff0.exe	98
PID 752 wrote to memory of 3376	752	280baa14b25c23e63122a4028928dff0.exe	98
PID 752 wrote to memory of 3376	752	280baa14b25c23e63122a4028928dff0.exe	98
PID 752 wrote to memory of 3376	752	280baa14b25c23e63122a4028928dff0.exe	98
PID 752 wrote to memory of 3376	752	280baa14b25c23e63122a4028928dff0.exe	98
PID 752 wrote to memory of 3376	752	280baa14b25c23e63122a4028928dff0.exe	98
PID 752 wrote to memory of 3376	752	280baa14b25c23e63122a4028928dff0.exe	98
PID 752 wrote to memory of 3376	752	280baa14b25c23e63122a4028928dff0.exe	98
PID 3376 wrote to memory of 2720	3376	280baa14b25c23e63122a4028928dff0.exe	100
PID 3376 wrote to memory of 2720	3376	280baa14b25c23e63122a4028928dff0.exe	100
PID 3376 wrote to memory of 2720	3376	280baa14b25c23e63122a4028928dff0.exe	100
PID 3376 wrote to memory of 1688	3376	280baa14b25c23e63122a4028928dff0.exe	102
PID 3376 wrote to memory of 1688	3376	280baa14b25c23e63122a4028928dff0.exe	102
PID 3376 wrote to memory of 1688	3376	280baa14b25c23e63122a4028928dff0.exe	102

C:\Users\Admin\AppData\Local\Temp\280baa14b25c23e63122a4028928dff0.exe
"C:\Users\Admin\AppData\Local\Temp\280baa14b25c23e63122a4028928dff0.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:752
- 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\280baa14b25c23e63122a4028928dff0.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1140
- C:\Users\Admin\AppData\Local\Temp\280baa14b25c23e63122a4028928dff0.exe
  "C:\Users\Admin\AppData\Local\Temp\280baa14b25c23e63122a4028928dff0.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:3376
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "WPA Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmp8AA7.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2720
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "WPA Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp8D67.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1688

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4228,i,10369132178352108590,11047993562598554317,262144 --variations-seed-version --mojo-platform-channel-handle=4184 /prefetch:8
1⤵
PID:2896

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_qisplw2e.hlw.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp8AA7.tmp

Filesize
1KB

MD5
24a75df31a00e669bb2dd4060940af95

SHA1
23e6760eae8806c032d30fa06b179594b51d8af0

SHA256
448974aee536be65bc64a98d3459c0e803fed587d338cbe6db60c9907a9c9e63

SHA512
99de05834b30b95d0cdcf5bcc1cb1df2fec7eaa51d9f2f741b1a9675e6aebb6af60242cb706a01b8f62dbc30ed6557260cbf5f614d0d20c5744149cc64da8e38

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp8D67.tmp

Filesize
1KB

MD5
a246b3561d823177f3586e629f144233

SHA1
0f05d12e55a1d2e5e6a4f307c193882fba093315

SHA256
6abae7707b06e52b58f537b335e367cc54b093e899d78f16e94ceaf7ceafca52

SHA512
4246aa9a96331e2c7e36b37fa778e31ecae055c77164e0dc673aa50cdec368f08d356ab06ef1a4540816c474828048ab1bebed7e211a4eb929f2918e1fac9c6d

Download Submit
memory/752-0-0x000000007493E000-0x000000007493F000-memory.dmp

Filesize
4KB

Download
memory/752-4-0x00000000056E0000-0x00000000056EA000-memory.dmp

Filesize
40KB

Download
memory/752-5-0x0000000074930000-0x00000000750E0000-memory.dmp

Filesize
7.7MB

Download
memory/752-6-0x0000000007040000-0x0000000007052000-memory.dmp

Filesize
72KB

Download
memory/752-7-0x000000007493E000-0x000000007493F000-memory.dmp

Filesize
4KB

Download
memory/752-1-0x0000000000C30000-0x0000000000CD4000-memory.dmp

Filesize
656KB

Download
memory/752-9-0x0000000007310000-0x000000000738A000-memory.dmp

Filesize
488KB

Download
memory/752-10-0x0000000009A10000-0x0000000009AAC000-memory.dmp

Filesize
624KB

Download
memory/752-2-0x0000000005CF0000-0x0000000006294000-memory.dmp

Filesize
5.6MB

Download
memory/752-14-0x0000000074930000-0x00000000750E0000-memory.dmp

Filesize
7.7MB

Download
memory/752-8-0x0000000074930000-0x00000000750E0000-memory.dmp

Filesize
7.7MB

Download
memory/752-3-0x0000000005740000-0x00000000057D2000-memory.dmp

Filesize
584KB

Download
memory/1140-81-0x0000000007940000-0x0000000007948000-memory.dmp

Filesize
32KB

Download
memory/1140-23-0x00000000053D0000-0x0000000005436000-memory.dmp

Filesize
408KB

Download
memory/1140-18-0x00000000054D0000-0x0000000005AF8000-memory.dmp

Filesize
6.2MB

Download
memory/1140-21-0x0000000005330000-0x0000000005352000-memory.dmp

Filesize
136KB

Download
memory/1140-26-0x0000000074930000-0x00000000750E0000-memory.dmp

Filesize
7.7MB

Download
memory/1140-25-0x0000000074930000-0x00000000750E0000-memory.dmp

Filesize
7.7MB

Download
memory/1140-16-0x0000000004D40000-0x0000000004D76000-memory.dmp

Filesize
216KB

Download
memory/1140-80-0x0000000007960000-0x000000000797A000-memory.dmp

Filesize
104KB

Download
memory/1140-24-0x0000000005C70000-0x0000000005CD6000-memory.dmp

Filesize
408KB

Download
memory/1140-36-0x0000000005D10000-0x0000000006064000-memory.dmp

Filesize
3.3MB

Download
memory/1140-84-0x0000000074930000-0x00000000750E0000-memory.dmp

Filesize
7.7MB

Download
memory/1140-38-0x0000000006300000-0x000000000631E000-memory.dmp

Filesize
120KB

Download
memory/1140-39-0x0000000006390000-0x00000000063DC000-memory.dmp

Filesize
304KB

Download
memory/1140-17-0x0000000074930000-0x00000000750E0000-memory.dmp

Filesize
7.7MB

Download
memory/1140-79-0x0000000007860000-0x0000000007874000-memory.dmp

Filesize
80KB

Download
memory/1140-64-0x0000000007820000-0x0000000007831000-memory.dmp

Filesize
68KB

Download
memory/1140-78-0x0000000007850000-0x000000000785E000-memory.dmp

Filesize
56KB

Download
memory/1140-47-0x0000000007270000-0x00000000072A2000-memory.dmp

Filesize
200KB

Download
memory/1140-48-0x00000000704D0000-0x000000007051C000-memory.dmp

Filesize
304KB

Download
memory/1140-58-0x00000000072B0000-0x00000000072CE000-memory.dmp

Filesize
120KB

Download
memory/1140-59-0x00000000072E0000-0x0000000007383000-memory.dmp

Filesize
652KB

Download
memory/1140-60-0x0000000007C60000-0x00000000082DA000-memory.dmp

Filesize
6.5MB

Download
memory/1140-61-0x0000000007620000-0x000000000763A000-memory.dmp

Filesize
104KB

Download
memory/1140-62-0x0000000007690000-0x000000000769A000-memory.dmp

Filesize
40KB

Download
memory/1140-63-0x00000000078A0000-0x0000000007936000-memory.dmp

Filesize
600KB

Download
memory/3376-44-0x0000000006910000-0x000000000692E000-memory.dmp

Filesize
120KB

Download
memory/3376-66-0x00000000072E0000-0x00000000072F2000-memory.dmp

Filesize
72KB

Download
memory/3376-67-0x00000000072F0000-0x000000000730A000-memory.dmp

Filesize
104KB

Download
memory/3376-72-0x0000000007360000-0x0000000007374000-memory.dmp

Filesize
80KB

Download
memory/3376-71-0x0000000007350000-0x000000000735E000-memory.dmp

Filesize
56KB

Download
memory/3376-70-0x0000000007340000-0x000000000734C000-memory.dmp

Filesize
48KB

Download
memory/3376-69-0x0000000007330000-0x0000000007342000-memory.dmp

Filesize
72KB

Download
memory/3376-68-0x0000000007320000-0x000000000732E000-memory.dmp

Filesize
56KB

Download
memory/3376-73-0x0000000007370000-0x0000000007380000-memory.dmp

Filesize
64KB

Download
memory/3376-74-0x0000000007390000-0x00000000073A4000-memory.dmp

Filesize
80KB

Download
memory/3376-77-0x0000000007400000-0x0000000007414000-memory.dmp

Filesize
80KB

Download
memory/3376-76-0x00000000073C0000-0x00000000073EE000-memory.dmp

Filesize
184KB

Download
memory/3376-75-0x00000000073B0000-0x00000000073BE000-memory.dmp

Filesize
56KB

Download
memory/3376-45-0x0000000006A40000-0x0000000006A4A000-memory.dmp

Filesize
40KB

Download
memory/3376-43-0x0000000005C50000-0x0000000005C5A000-memory.dmp

Filesize
40KB

Download
memory/3376-15-0x0000000074930000-0x00000000750E0000-memory.dmp

Filesize
7.7MB

Download
memory/3376-13-0x0000000074930000-0x00000000750E0000-memory.dmp

Filesize
7.7MB

Download
memory/3376-11-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3376-85-0x0000000074930000-0x00000000750E0000-memory.dmp

Filesize
7.7MB

Download
memory/3376-87-0x0000000074930000-0x00000000750E0000-memory.dmp

Filesize
7.7MB

Download