nanocore | 777f77c1c53c3551c89ef44c86c06cbfe0b2bb04374b7d7d9f6153d3ecc3c267

Analysis

max time kernel
134s
max time network
149s
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

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General

Target

424fdd032528ca656b1513d1ca79a17116a6770be9d2f05a4e203c95d0b4dd46.exe
Size

936KB
MD5

69ba1c008b0f8ea902c7e445b5ac3d6e
SHA1

81bab9899e1437d5ee91d8cb9e0037a39af89220
SHA256

424fdd032528ca656b1513d1ca79a17116a6770be9d2f05a4e203c95d0b4dd46
SHA512

64f015ac5e171aebfa1d09aa834309f51dca72164f5e798b0703a127376941d767b26bb25ad4443311331be0b4c5b20ded8725dec1fc11bea4fcde5ed5ce6bf2
SSDEEP

24576:9dtP2cbksTpugRNJI5kFMJF9OWjwjLOjZXr:+gq1r

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
584	app.exe

Loads dropped DLL 1 IoCs

pid	Process
2756	424fdd032528ca656b1513d1ca79a17116a6770be9d2f05a4e203c95d0b4dd46.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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\AppData\\Roaming\\app.exe"	424fdd032528ca656b1513d1ca79a17116a6770be9d2f05a4e203c95d0b4dd46.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 584 set thread context of 1912	584	app.exe	32

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	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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	424fdd032528ca656b1513d1ca79a17116a6770be9d2f05a4e203c95d0b4dd46.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
2428	schtasks.exe

Suspicious behavior: EnumeratesProcesses 15 IoCs

pid	Process
2756	424fdd032528ca656b1513d1ca79a17116a6770be9d2f05a4e203c95d0b4dd46.exe
2756	424fdd032528ca656b1513d1ca79a17116a6770be9d2f05a4e203c95d0b4dd46.exe
2756	424fdd032528ca656b1513d1ca79a17116a6770be9d2f05a4e203c95d0b4dd46.exe
2756	424fdd032528ca656b1513d1ca79a17116a6770be9d2f05a4e203c95d0b4dd46.exe
2756	424fdd032528ca656b1513d1ca79a17116a6770be9d2f05a4e203c95d0b4dd46.exe
2756	424fdd032528ca656b1513d1ca79a17116a6770be9d2f05a4e203c95d0b4dd46.exe
584	app.exe
584	app.exe
584	app.exe
584	app.exe
584	app.exe
584	app.exe
1912	aspnet_compiler.exe
1912	aspnet_compiler.exe
1912	aspnet_compiler.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1912	aspnet_compiler.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2756	424fdd032528ca656b1513d1ca79a17116a6770be9d2f05a4e203c95d0b4dd46.exe
Token: SeDebugPrivilege	584	app.exe
Token: SeDebugPrivilege	1912	aspnet_compiler.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2756 wrote to memory of 584	2756	424fdd032528ca656b1513d1ca79a17116a6770be9d2f05a4e203c95d0b4dd46.exe	31
PID 2756 wrote to memory of 584	2756	424fdd032528ca656b1513d1ca79a17116a6770be9d2f05a4e203c95d0b4dd46.exe	31
PID 2756 wrote to memory of 584	2756	424fdd032528ca656b1513d1ca79a17116a6770be9d2f05a4e203c95d0b4dd46.exe	31
PID 2756 wrote to memory of 584	2756	424fdd032528ca656b1513d1ca79a17116a6770be9d2f05a4e203c95d0b4dd46.exe	31
PID 584 wrote to memory of 1912	584	app.exe	32
PID 584 wrote to memory of 1912	584	app.exe	32
PID 584 wrote to memory of 1912	584	app.exe	32
PID 584 wrote to memory of 1912	584	app.exe	32
PID 584 wrote to memory of 1912	584	app.exe	32
PID 584 wrote to memory of 1912	584	app.exe	32
PID 584 wrote to memory of 1912	584	app.exe	32
PID 584 wrote to memory of 1912	584	app.exe	32
PID 584 wrote to memory of 1912	584	app.exe	32
PID 1912 wrote to memory of 2428	1912	aspnet_compiler.exe	33
PID 1912 wrote to memory of 2428	1912	aspnet_compiler.exe	33
PID 1912 wrote to memory of 2428	1912	aspnet_compiler.exe	33
PID 1912 wrote to memory of 2428	1912	aspnet_compiler.exe	33

C:\Users\Admin\AppData\Local\Temp\424fdd032528ca656b1513d1ca79a17116a6770be9d2f05a4e203c95d0b4dd46.exe
"C:\Users\Admin\AppData\Local\Temp\424fdd032528ca656b1513d1ca79a17116a6770be9d2f05a4e203c95d0b4dd46.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:2756
- 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:584
- - 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:1912
  - - C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /create /f /tn "UDP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpB693.tmp"
      4⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:2428

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

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Downloads

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

Filesize
342B

MD5
c18c54c3ea669442cd4188f3d2662eff

SHA1
da2bb6a323adf903a241c1855ad7090b19a08b8b

SHA256
da85814f06d88ca3499d5eb93c3374a3a733f52a29d83276fe71ec2cdd27238a

SHA512
228217bafc2f5e74c6077cb67007ccfabf12658b8baed09522bc035842a272ec9d5b33d258e1358b7710f460942d88d133a833165f788e20ff930239397c163a

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabEB97.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpB693.tmp

Filesize
1KB

MD5
d81eb43d26d4511c44151cba2eb45983

SHA1
135c98e039c6ab35d4e9564f15f9c56dc9dbeb9a

SHA256
a72a8f6434d6b0fb904db5adc8cab891d12c53b4ac1435dfd13df51f84a2d4d0

SHA512
b5895c19159d23a8fa312967e47d0855ac6f8f314f8931f54469b0c0079a22e9e00a5eaf6729761f74d54e111454d49813e658243e920a9c3434a5576cdda721

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

Filesize
942KB

MD5
7d787c2335774147818fa951efffec88

SHA1
bf82e58b7e05e1e21768fbc9942ce170302e76af

SHA256
630c5bf97f82b4e37977c5af4e3c42f44b4cc2bc31d84022825a7ae6925b6bd2

SHA512
fb2f54778a20f0805cd33ec30b2241c3126c08875810e38d725f5016df7abc3d5dbfb6d7f5326cc328c0477de7864158f8cf428c0ceef9bab229bc1ecb66e373

Download Submit
memory/584-45-0x0000000074C00000-0x00000000751AB000-memory.dmp

Filesize
5.7MB

Download
memory/584-44-0x0000000074C00000-0x00000000751AB000-memory.dmp

Filesize
5.7MB

Download
memory/584-63-0x0000000074C00000-0x00000000751AB000-memory.dmp

Filesize
5.7MB

Download
memory/584-33-0x0000000074C00000-0x00000000751AB000-memory.dmp

Filesize
5.7MB

Download
memory/584-46-0x0000000074C00000-0x00000000751AB000-memory.dmp

Filesize
5.7MB

Download
memory/1912-62-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1912-56-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1912-52-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1912-54-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1912-60-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1912-48-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1912-50-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1912-58-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2756-14-0x0000000074C00000-0x00000000751AB000-memory.dmp

Filesize
5.7MB

Download
memory/2756-32-0x0000000074C00000-0x00000000751AB000-memory.dmp

Filesize
5.7MB

Download
memory/2756-11-0x0000000074C00000-0x00000000751AB000-memory.dmp

Filesize
5.7MB

Download
memory/2756-0-0x0000000074C01000-0x0000000074C02000-memory.dmp

Filesize
4KB

Download
memory/2756-12-0x0000000074C00000-0x00000000751AB000-memory.dmp

Filesize
5.7MB

Download
memory/2756-13-0x0000000074C00000-0x00000000751AB000-memory.dmp

Filesize
5.7MB

Download
memory/2756-10-0x0000000074C00000-0x00000000751AB000-memory.dmp

Filesize
5.7MB

Download