nanocore | f4111d30be32600233ad61440ff2f9a6484f3ba6c04fae4b522fc09ab0de3831

Analysis

max time kernel
135s
max time network
151s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22/03/2025, 06:10

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

4931b13a1265c5602753b3933aeb20740855f573997799ae8aed85ca66d193db.exe
Size

927KB
MD5

d383c4a6d8c27294e80c5a7a881c5bce
SHA1

9273818d087b8f4216150094392d9fa017c6d80d
SHA256

4931b13a1265c5602753b3933aeb20740855f573997799ae8aed85ca66d193db
SHA512

d0d870f5e6796bf01f84358b282e03d6dbf3216ca6e5e6f9b81f6b1119287317ae4851442c892f792d80dbb8bc2e66982c5bdc12101425d8202b8ad646eafa34
SSDEEP

24576:JdtP2cbksTpugRNJI5kFMJF9OWjwjLOjZu:KgqQ

Score

10^/10

nanocore discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

91.236.116.142:5888

Mutex

d995ed82-bf13-4043-b564-f5f89f8c5209

Attributes

activate_away_mode
true
backup_connection_host
91.236.116.142
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2017-01-07T03:01:54.729778636Z
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
5888
default_group
Spy
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
d995ed82-bf13-4043-b564-f5f89f8c5209
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
91.236.116.142
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
Nanocore family
nanocore

Executes dropped EXE 1 IoCs

pid	Process
2044	app.exe

Loads dropped DLL 1 IoCs

pid	Process
2800	4931b13a1265c5602753b3933aeb20740855f573997799ae8aed85ca66d193db.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\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\AppData\\Roaming\\app.exe"	4931b13a1265c5602753b3933aeb20740855f573997799ae8aed85ca66d193db.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2044 set thread context of 2932	2044	app.exe	33

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 4 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	4931b13a1265c5602753b3933aeb20740855f573997799ae8aed85ca66d193db.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	app.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aspnet_compiler.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
2344	schtasks.exe

Suspicious behavior: EnumeratesProcesses 15 IoCs

pid	Process
2800	4931b13a1265c5602753b3933aeb20740855f573997799ae8aed85ca66d193db.exe
2800	4931b13a1265c5602753b3933aeb20740855f573997799ae8aed85ca66d193db.exe
2800	4931b13a1265c5602753b3933aeb20740855f573997799ae8aed85ca66d193db.exe
2800	4931b13a1265c5602753b3933aeb20740855f573997799ae8aed85ca66d193db.exe
2800	4931b13a1265c5602753b3933aeb20740855f573997799ae8aed85ca66d193db.exe
2800	4931b13a1265c5602753b3933aeb20740855f573997799ae8aed85ca66d193db.exe
2044	app.exe
2044	app.exe
2044	app.exe
2044	app.exe
2044	app.exe
2044	app.exe
2932	aspnet_compiler.exe
2932	aspnet_compiler.exe
2932	aspnet_compiler.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2932	aspnet_compiler.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2800	4931b13a1265c5602753b3933aeb20740855f573997799ae8aed85ca66d193db.exe
Token: SeDebugPrivilege	2044	app.exe
Token: SeDebugPrivilege	2932	aspnet_compiler.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2800 wrote to memory of 2044	2800	4931b13a1265c5602753b3933aeb20740855f573997799ae8aed85ca66d193db.exe	31
PID 2800 wrote to memory of 2044	2800	4931b13a1265c5602753b3933aeb20740855f573997799ae8aed85ca66d193db.exe	31
PID 2800 wrote to memory of 2044	2800	4931b13a1265c5602753b3933aeb20740855f573997799ae8aed85ca66d193db.exe	31
PID 2800 wrote to memory of 2044	2800	4931b13a1265c5602753b3933aeb20740855f573997799ae8aed85ca66d193db.exe	31
PID 2044 wrote to memory of 2932	2044	app.exe	33
PID 2044 wrote to memory of 2932	2044	app.exe	33
PID 2044 wrote to memory of 2932	2044	app.exe	33
PID 2044 wrote to memory of 2932	2044	app.exe	33
PID 2044 wrote to memory of 2932	2044	app.exe	33
PID 2044 wrote to memory of 2932	2044	app.exe	33
PID 2044 wrote to memory of 2932	2044	app.exe	33
PID 2044 wrote to memory of 2932	2044	app.exe	33
PID 2044 wrote to memory of 2932	2044	app.exe	33
PID 2932 wrote to memory of 2344	2932	aspnet_compiler.exe	34
PID 2932 wrote to memory of 2344	2932	aspnet_compiler.exe	34
PID 2932 wrote to memory of 2344	2932	aspnet_compiler.exe	34
PID 2932 wrote to memory of 2344	2932	aspnet_compiler.exe	34

C:\Users\Admin\AppData\Local\Temp\4931b13a1265c5602753b3933aeb20740855f573997799ae8aed85ca66d193db.exe
"C:\Users\Admin\AppData\Local\Temp\4931b13a1265c5602753b3933aeb20740855f573997799ae8aed85ca66d193db.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2800
- C:\Users\Admin\AppData\Roaming\app.exe
  "C:\Users\Admin\AppData\Roaming\app.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2044
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v2.0.50727\aspnet_compiler.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2932
  - - C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /create /f /tn "DHCP Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmp420F.tmp"
      4⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:2344

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

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
e70fcbd87184f818d3338c28caf57403

SHA1
f28e018e1e83d835c0de6a3e4e88fcd17a9035b6

SHA256
5e951dad8849c17a127b55b3004ecd06e0a665e5d665f0b78e5e4c7bfbc4af70

SHA512
0fdf420e30171d6ac947c147e39923dcec8fbbad0a4c79916c41e8cb391116a8a6f1dc63d23daa2fd9deebade82cac713315a15c8eaf3b5672ead8054a719db9

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab76A6.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp420F.tmp

Filesize
1KB

MD5
d81eb43d26d4511c44151cba2eb45983

SHA1
135c98e039c6ab35d4e9564f15f9c56dc9dbeb9a

SHA256
a72a8f6434d6b0fb904db5adc8cab891d12c53b4ac1435dfd13df51f84a2d4d0

SHA512
b5895c19159d23a8fa312967e47d0855ac6f8f314f8931f54469b0c0079a22e9e00a5eaf6729761f74d54e111454d49813e658243e920a9c3434a5576cdda721

Download Submit
C:\Users\Admin\AppData\Roaming\app.exe

Filesize
933KB

MD5
7354016282316ed2a4bb66201366de02

SHA1
48871fb89a6563b161abbed9435005c58031a572

SHA256
5fbbb8bbdacd2b922b13a8833ebf893e5985bcf859fbfabd128c0be10f50cfa6

SHA512
ebf16667ab1da2571ba9853b6b686e7514e596db1f4b5a88f795e2f022bdd15f326864aa92778047a1495bd18897757df31570fa173b49be5eeffe7f84261ad0

Download Submit
memory/2044-45-0x00000000745A0000-0x0000000074B4B000-memory.dmp

Filesize
5.7MB

Download
memory/2044-44-0x00000000745A0000-0x0000000074B4B000-memory.dmp

Filesize
5.7MB

Download
memory/2044-60-0x00000000745A0000-0x0000000074B4B000-memory.dmp

Filesize
5.7MB

Download
memory/2044-33-0x00000000745A0000-0x0000000074B4B000-memory.dmp

Filesize
5.7MB

Download
memory/2044-46-0x00000000745A0000-0x0000000074B4B000-memory.dmp

Filesize
5.7MB

Download
memory/2800-12-0x00000000745A0000-0x0000000074B4B000-memory.dmp

Filesize
5.7MB

Download
memory/2800-2-0x00000000745A0000-0x0000000074B4B000-memory.dmp

Filesize
5.7MB

Download
memory/2800-14-0x00000000745A0000-0x0000000074B4B000-memory.dmp

Filesize
5.7MB

Download
memory/2800-0-0x00000000745A1000-0x00000000745A2000-memory.dmp

Filesize
4KB

Download
memory/2800-32-0x00000000745A0000-0x0000000074B4B000-memory.dmp

Filesize
5.7MB

Download
memory/2800-1-0x00000000745A0000-0x0000000074B4B000-memory.dmp

Filesize
5.7MB

Download
memory/2800-13-0x00000000745A0000-0x0000000074B4B000-memory.dmp

Filesize
5.7MB

Download
memory/2932-59-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2932-57-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2932-53-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2932-52-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2932-50-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2932-49-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2932-55-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2932-48-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download