nanocore | da551ab6e000732499227a67f2be68d1256b58d95963a903cc316e2730db9d1e

General

Target

da551ab6e000732499227a67f2be68d1256b58d95963a903cc316e2730db9d1e.exe
Size

988KB
MD5

1d52c927094cc5862349a1b81ddaf10c
SHA1

4f1038de14e08807f65ca8f240c034469c2479a0
SHA256

da551ab6e000732499227a67f2be68d1256b58d95963a903cc316e2730db9d1e
SHA512

7ce469e84160d9eac202c20f15bf008212cf681287055b5bacacd9ab6c18ad1ada8363db3b6a7601015caf231a00b9d29bf96b79bd43e01f5eca3e057667ec1e
SSDEEP

12288:4rT5UqCUfsgddxK+0wC150c6QVSeNuQXeDPVmJiW0qWkdw+bezWMcsZI0Bz:4SDl15Fbtq0++buPay

Score

10^/10

nanocore defense_evasion discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

lxtihmjohnson163.airdns.org:43366

Mutex

3740d544-7efc-40b2-8c32-f31974309f7d

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2024-10-21T12:36:42.768385536Z
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
43366
default_group
JAMJAM01
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
3740d544-7efc-40b2-8c32-f31974309f7d
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
lxtihmjohnson163.airdns.org
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

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\NAT Service = "C:\\Program Files (x86)\\NAT Service\\natsv.exe"	da551ab6e000732499227a67f2be68d1256b58d95963a903cc316e2730db9d1e.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

defense_evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	da551ab6e000732499227a67f2be68d1256b58d95963a903cc316e2730db9d1e.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1164 set thread context of 1228	1164	da551ab6e000732499227a67f2be68d1256b58d95963a903cc316e2730db9d1e.exe	87

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\NAT Service\natsv.exe	da551ab6e000732499227a67f2be68d1256b58d95963a903cc316e2730db9d1e.exe
File opened for modification	C:\Program Files (x86)\NAT Service\natsv.exe	da551ab6e000732499227a67f2be68d1256b58d95963a903cc316e2730db9d1e.exe

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	da551ab6e000732499227a67f2be68d1256b58d95963a903cc316e2730db9d1e.exe
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	da551ab6e000732499227a67f2be68d1256b58d95963a903cc316e2730db9d1e.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
2304	schtasks.exe
4368	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1164	da551ab6e000732499227a67f2be68d1256b58d95963a903cc316e2730db9d1e.exe
1164	da551ab6e000732499227a67f2be68d1256b58d95963a903cc316e2730db9d1e.exe
1228	da551ab6e000732499227a67f2be68d1256b58d95963a903cc316e2730db9d1e.exe
1228	da551ab6e000732499227a67f2be68d1256b58d95963a903cc316e2730db9d1e.exe
1228	da551ab6e000732499227a67f2be68d1256b58d95963a903cc316e2730db9d1e.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1228	da551ab6e000732499227a67f2be68d1256b58d95963a903cc316e2730db9d1e.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1164	da551ab6e000732499227a67f2be68d1256b58d95963a903cc316e2730db9d1e.exe
Token: SeDebugPrivilege	1228	da551ab6e000732499227a67f2be68d1256b58d95963a903cc316e2730db9d1e.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1164 wrote to memory of 1460	1164	da551ab6e000732499227a67f2be68d1256b58d95963a903cc316e2730db9d1e.exe	86
PID 1164 wrote to memory of 1460	1164	da551ab6e000732499227a67f2be68d1256b58d95963a903cc316e2730db9d1e.exe	86
PID 1164 wrote to memory of 1460	1164	da551ab6e000732499227a67f2be68d1256b58d95963a903cc316e2730db9d1e.exe	86
PID 1164 wrote to memory of 1228	1164	da551ab6e000732499227a67f2be68d1256b58d95963a903cc316e2730db9d1e.exe	87
PID 1164 wrote to memory of 1228	1164	da551ab6e000732499227a67f2be68d1256b58d95963a903cc316e2730db9d1e.exe	87
PID 1164 wrote to memory of 1228	1164	da551ab6e000732499227a67f2be68d1256b58d95963a903cc316e2730db9d1e.exe	87
PID 1164 wrote to memory of 1228	1164	da551ab6e000732499227a67f2be68d1256b58d95963a903cc316e2730db9d1e.exe	87
PID 1164 wrote to memory of 1228	1164	da551ab6e000732499227a67f2be68d1256b58d95963a903cc316e2730db9d1e.exe	87
PID 1164 wrote to memory of 1228	1164	da551ab6e000732499227a67f2be68d1256b58d95963a903cc316e2730db9d1e.exe	87
PID 1164 wrote to memory of 1228	1164	da551ab6e000732499227a67f2be68d1256b58d95963a903cc316e2730db9d1e.exe	87
PID 1164 wrote to memory of 1228	1164	da551ab6e000732499227a67f2be68d1256b58d95963a903cc316e2730db9d1e.exe	87
PID 1228 wrote to memory of 2304	1228	da551ab6e000732499227a67f2be68d1256b58d95963a903cc316e2730db9d1e.exe	88
PID 1228 wrote to memory of 2304	1228	da551ab6e000732499227a67f2be68d1256b58d95963a903cc316e2730db9d1e.exe	88
PID 1228 wrote to memory of 2304	1228	da551ab6e000732499227a67f2be68d1256b58d95963a903cc316e2730db9d1e.exe	88
PID 1228 wrote to memory of 4368	1228	da551ab6e000732499227a67f2be68d1256b58d95963a903cc316e2730db9d1e.exe	90
PID 1228 wrote to memory of 4368	1228	da551ab6e000732499227a67f2be68d1256b58d95963a903cc316e2730db9d1e.exe	90
PID 1228 wrote to memory of 4368	1228	da551ab6e000732499227a67f2be68d1256b58d95963a903cc316e2730db9d1e.exe	90

C:\Users\Admin\AppData\Local\Temp\da551ab6e000732499227a67f2be68d1256b58d95963a903cc316e2730db9d1e.exe
"C:\Users\Admin\AppData\Local\Temp\da551ab6e000732499227a67f2be68d1256b58d95963a903cc316e2730db9d1e.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1164
- C:\Users\Admin\AppData\Local\Temp\da551ab6e000732499227a67f2be68d1256b58d95963a903cc316e2730db9d1e.exe
  "C:\Users\Admin\AppData\Local\Temp\da551ab6e000732499227a67f2be68d1256b58d95963a903cc316e2730db9d1e.exe"
  2⤵
  PID:1460
- C:\Users\Admin\AppData\Local\Temp\da551ab6e000732499227a67f2be68d1256b58d95963a903cc316e2730db9d1e.exe
  "C:\Users\Admin\AppData\Local\Temp\da551ab6e000732499227a67f2be68d1256b58d95963a903cc316e2730db9d1e.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:1228
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "NAT Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpC5FF.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2304
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "NAT Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpC63F.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4368

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\da551ab6e000732499227a67f2be68d1256b58d95963a903cc316e2730db9d1e.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC5FF.tmp

Filesize
1KB

MD5
9f18b25045a2323fb73866d298322ead

SHA1
d5de3fb8494a3eaa01959d08f9a30e645dd93cfa

SHA256
486d6589d97c855f484d9f14fd6c00eee15755e72f1b001d588c02ddfffcc7de

SHA512
e9975fa73776d18be3429a8eb3e602ef3be719aa8f96050328ed9e07c7a8dc289ce8df4ddf5f9728e7a102bf9eaf3d886012a4936ce3a0c456d10e2f0edd5f65

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC63F.tmp

Filesize
1KB

MD5
cd8e69b89899eb65a199cc8019e502ad

SHA1
19ae04c02d02e2828e4513de66734c383660d1a5

SHA256
cf1a9b78745b0f788fea2f579f1e3a82efc7425edb1f35abb8dd8e1cbaaf03ef

SHA512
9a2bf35fc687ec6ac81ad3fe16f82f104ad880be6b36afc7297264de09d50e85d9d3376ed9378d56b08ef94ca700b886cc40768587fc623c7fb6117265bd7033

Download Submit
memory/1164-10-0x000000000C670000-0x000000000C70C000-memory.dmp

Filesize
624KB

Download
memory/1164-3-0x0000000005760000-0x00000000057F2000-memory.dmp

Filesize
584KB

Download
memory/1164-5-0x0000000074B10000-0x00000000752C0000-memory.dmp

Filesize
7.7MB

Download
memory/1164-6-0x0000000005E00000-0x0000000005E1E000-memory.dmp

Filesize
120KB

Download
memory/1164-7-0x0000000074B1E000-0x0000000074B1F000-memory.dmp

Filesize
4KB

Download
memory/1164-8-0x0000000074B10000-0x00000000752C0000-memory.dmp

Filesize
7.7MB

Download
memory/1164-9-0x0000000003010000-0x000000000308E000-memory.dmp

Filesize
504KB

Download
memory/1164-0-0x0000000074B1E000-0x0000000074B1F000-memory.dmp

Filesize
4KB

Download
memory/1164-1-0x0000000000C40000-0x0000000000D3E000-memory.dmp

Filesize
1016KB

Download
memory/1164-4-0x0000000005720000-0x000000000572A000-memory.dmp

Filesize
40KB

Download
memory/1164-2-0x0000000005E20000-0x00000000063C4000-memory.dmp

Filesize
5.6MB

Download
memory/1164-15-0x0000000074B10000-0x00000000752C0000-memory.dmp

Filesize
7.7MB

Download
memory/1228-16-0x0000000074B10000-0x00000000752C0000-memory.dmp

Filesize
7.7MB

Download
memory/1228-14-0x0000000074B10000-0x00000000752C0000-memory.dmp

Filesize
7.7MB

Download
memory/1228-11-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1228-24-0x0000000005420000-0x000000000542A000-memory.dmp

Filesize
40KB

Download
memory/1228-25-0x0000000005740000-0x000000000575E000-memory.dmp

Filesize
120KB

Download
memory/1228-26-0x0000000006450000-0x000000000645A000-memory.dmp

Filesize
40KB

Download
memory/1228-27-0x0000000074B10000-0x00000000752C0000-memory.dmp

Filesize
7.7MB

Download
memory/1228-28-0x0000000074B10000-0x00000000752C0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads