nanocore | 35e26bdbdea45ece8f73ddac192c584868bc55018cd95fcf669695c0f68260d7

Analysis

max time kernel
135s
max time network
148s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22/03/2025, 06:18

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General

Target

fab48bce3470fcdc7b77131b73cd9db4.exe
Size

916KB
MD5

fab48bce3470fcdc7b77131b73cd9db4
SHA1

621d0c5b4e3268a57578ed32dccd75228fe3fe57
SHA256

fff49706e34b96eb43f5511abebc81549f6c387f5bd40f38e9dedb6da7a5ed80
SHA512

28c983347875ca864a16206206563a8d0da370d387df7abb0cff75834664b432f3d4dfcc1eeb2fe0013ec9942b628a4be2bf8fd47ba779766352bddfdfe52448
SSDEEP

24576:xdtP2cbksTpugRNJI5kFMJF9OWjwjLOjZA:CgqC

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
2456	app.exe

Loads dropped DLL 1 IoCs

pid	Process
2256	fab48bce3470fcdc7b77131b73cd9db4.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"	fab48bce3470fcdc7b77131b73cd9db4.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2456 set thread context of 1084	2456	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	fab48bce3470fcdc7b77131b73cd9db4.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
2412	schtasks.exe

Suspicious behavior: EnumeratesProcesses 15 IoCs

pid	Process
2256	fab48bce3470fcdc7b77131b73cd9db4.exe
2256	fab48bce3470fcdc7b77131b73cd9db4.exe
2256	fab48bce3470fcdc7b77131b73cd9db4.exe
2256	fab48bce3470fcdc7b77131b73cd9db4.exe
2256	fab48bce3470fcdc7b77131b73cd9db4.exe
2256	fab48bce3470fcdc7b77131b73cd9db4.exe
2456	app.exe
2456	app.exe
2456	app.exe
2456	app.exe
2456	app.exe
2456	app.exe
1084	aspnet_compiler.exe
1084	aspnet_compiler.exe
1084	aspnet_compiler.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1084	aspnet_compiler.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2256	fab48bce3470fcdc7b77131b73cd9db4.exe
Token: SeDebugPrivilege	2456	app.exe
Token: SeDebugPrivilege	1084	aspnet_compiler.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2256 wrote to memory of 2456	2256	fab48bce3470fcdc7b77131b73cd9db4.exe	31
PID 2256 wrote to memory of 2456	2256	fab48bce3470fcdc7b77131b73cd9db4.exe	31
PID 2256 wrote to memory of 2456	2256	fab48bce3470fcdc7b77131b73cd9db4.exe	31
PID 2256 wrote to memory of 2456	2256	fab48bce3470fcdc7b77131b73cd9db4.exe	31
PID 2456 wrote to memory of 1084	2456	app.exe	32
PID 2456 wrote to memory of 1084	2456	app.exe	32
PID 2456 wrote to memory of 1084	2456	app.exe	32
PID 2456 wrote to memory of 1084	2456	app.exe	32
PID 2456 wrote to memory of 1084	2456	app.exe	32
PID 2456 wrote to memory of 1084	2456	app.exe	32
PID 2456 wrote to memory of 1084	2456	app.exe	32
PID 2456 wrote to memory of 1084	2456	app.exe	32
PID 2456 wrote to memory of 1084	2456	app.exe	32
PID 1084 wrote to memory of 2412	1084	aspnet_compiler.exe	33
PID 1084 wrote to memory of 2412	1084	aspnet_compiler.exe	33
PID 1084 wrote to memory of 2412	1084	aspnet_compiler.exe	33
PID 1084 wrote to memory of 2412	1084	aspnet_compiler.exe	33

C:\Users\Admin\AppData\Local\Temp\fab48bce3470fcdc7b77131b73cd9db4.exe
"C:\Users\Admin\AppData\Local\Temp\fab48bce3470fcdc7b77131b73cd9db4.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:2256
- 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:2456
- - 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:1084
  - - C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /create /f /tn "DHCP Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmp122A.tmp"
      4⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:2412

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\Content\94308059B57B3142E455B38A6EB92015

Filesize
71KB

MD5
83142242e97b8953c386f988aa694e4a

SHA1
833ed12fc15b356136dcdd27c61a50f59c5c7d50

SHA256
d72761e1a334a754ce8250e3af7ea4bf25301040929fd88cf9e50b4a9197d755

SHA512
bb6da177bd16d163f377d9b4c63f6d535804137887684c113cc2f643ceab4f34338c06b5a29213c23d375e95d22ef417eac928822dfb3688ce9e2de9d5242d10

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

Filesize
344B

MD5
04f7b51d51e9d692b2f6f3e42add87d6

SHA1
b117a30f82634e142b7f03dc85564925dac23145

SHA256
4b1ca5d529cb0b19f95d2d3f55070d62f787e3ca2e4d324c69efb01dcc79ab5d

SHA512
eab1b161509c06c035a863eeb49adde6d497341f9ab768c03cf7b0223d4bb403972ea6c620dc02c4130b769103c1ec3865591c79b1f66565696b752ae7162187

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

Filesize
344B

MD5
430e53f678e12a3c49e1f89ebf672835

SHA1
244454d2ec5fa1fa95662122e0ffbd45cace77a1

SHA256
58520ce67eef61767cbb3dca0b543ca1e57da80ef00f68771514e04418779eec

SHA512
0bedde0a99b6f7dfbf202cc5a566c3cd4425a52dddaf74a90708a3eea871faa8c00961aea1878164ca268ec67483c1186e6bcc4c344831c0cf068c085eab30ad

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabC5C1.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarC5C4.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarC85D.tmp

Filesize
183KB

MD5
109cab5505f5e065b63d01361467a83b

SHA1
4ed78955b9272a9ed689b51bf2bf4a86a25e53fc

SHA256
ea6b7f51e85835c09259d9475a7d246c3e764ad67c449673f9dc97172c351673

SHA512
753a6da5d6889dd52f40208e37f2b8c185805ef81148682b269fff5aa84a46d710fe0ebfe05bce625da2e801e1c26745998a41266fa36bf47bc088a224d730cc

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp122A.tmp

Filesize
1KB

MD5
d81eb43d26d4511c44151cba2eb45983

SHA1
135c98e039c6ab35d4e9564f15f9c56dc9dbeb9a

SHA256
a72a8f6434d6b0fb904db5adc8cab891d12c53b4ac1435dfd13df51f84a2d4d0

SHA512
b5895c19159d23a8fa312967e47d0855ac6f8f314f8931f54469b0c0079a22e9e00a5eaf6729761f74d54e111454d49813e658243e920a9c3434a5576cdda721

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

Filesize
922KB

MD5
4c900ee3f63a7a5e65da48ebe2d3d9ae

SHA1
d693c9efb3c096e28648133676166bd535644a60

SHA256
57a24c39408c5c14d404c812a2769ec3e70383afda04e3d7fd3c9f8670c18bc0

SHA512
55e836ed5539808ceee5896a27dc612089ea04b0505ad7a1f7f087ffa7c579a820dbb70f4ec29c610c077733c69ed879ccedfde373cbad1103e6a2028fe554f9

Download Submit
memory/1084-225-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1084-228-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1084-227-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1084-219-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1084-223-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1084-226-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1084-221-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1084-217-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2256-180-0x0000000074C80000-0x000000007522B000-memory.dmp

Filesize
5.7MB

Download
memory/2256-0-0x0000000074C81000-0x0000000074C82000-memory.dmp

Filesize
4KB

Download
memory/2256-200-0x0000000074C80000-0x000000007522B000-memory.dmp

Filesize
5.7MB

Download
memory/2256-182-0x0000000074C80000-0x000000007522B000-memory.dmp

Filesize
5.7MB

Download
memory/2256-181-0x0000000074C80000-0x000000007522B000-memory.dmp

Filesize
5.7MB

Download
memory/2256-19-0x0000000074C80000-0x000000007522B000-memory.dmp

Filesize
5.7MB

Download
memory/2456-215-0x0000000074C80000-0x000000007522B000-memory.dmp

Filesize
5.7MB

Download
memory/2456-201-0x0000000074C80000-0x000000007522B000-memory.dmp

Filesize
5.7MB

Download
memory/2456-229-0x0000000074C80000-0x000000007522B000-memory.dmp

Filesize
5.7MB

Download