nanocore | 1a649e1885be114a4140729e822438aa686170685964f8853b391b3ed7d633de

Analysis

max time kernel
149s
max time network
151s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
03/02/2025, 06:50

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General

Target

P I copy.docs.x.exe
Size

701KB
MD5

87e76b3ab65fafd1506f411841c73e94
SHA1

3810482f5a3187ccf1dbc8ce4fc0752bb7e44c18
SHA256

e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44
SHA512

c51ab6b12270d827de00eaccd212468e24ce5510b9b8e8fda36efc7792ed72d1c2321af7a6552a576e9dcb0bb0dbed7ba5345cb959a4460b8a934f6fc67521d3
SSDEEP

12288:AYyPYswecl9ZzHS49uH5hYLl4D4i4uS8zpAzh33gyAmLxOjrIy6NYxYQL:cweKyILwXRA133gK2rIw

Score

10^/10

nanocore defense_evasion discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

91.92.240.88:2777

Mutex

25449be1-a962-4d47-a9f7-c613578ec634

Attributes

activate_away_mode
true
backup_connection_host
91.92.240.88
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2024-04-19T10:57:33.704241736Z
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
2777
default_group
Default
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
25449be1-a962-4d47-a9f7-c613578ec634
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
91.92.240.88
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\SCSI Subsystem = "C:\\Program Files (x86)\\SCSI Subsystem\\scsiss.exe"	P I copy.docs.x.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	P I copy.docs.x.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2136 set thread context of 2080	2136	P I copy.docs.x.exe	34

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\SCSI Subsystem\scsiss.exe	P I copy.docs.x.exe
File opened for modification	C:\Program Files (x86)\SCSI Subsystem\scsiss.exe	P I copy.docs.x.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	P I copy.docs.x.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	P I copy.docs.x.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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
2848	schtasks.exe
2912	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
2136	P I copy.docs.x.exe
2136	P I copy.docs.x.exe
2136	P I copy.docs.x.exe
2136	P I copy.docs.x.exe
2136	P I copy.docs.x.exe
2136	P I copy.docs.x.exe
2136	P I copy.docs.x.exe
2136	P I copy.docs.x.exe
2080	P I copy.docs.x.exe
2080	P I copy.docs.x.exe
2080	P I copy.docs.x.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2080	P I copy.docs.x.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2136	P I copy.docs.x.exe
Token: SeDebugPrivilege	2080	P I copy.docs.x.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 2136 wrote to memory of 1488	2136	P I copy.docs.x.exe	31
PID 2136 wrote to memory of 1488	2136	P I copy.docs.x.exe	31
PID 2136 wrote to memory of 1488	2136	P I copy.docs.x.exe	31
PID 2136 wrote to memory of 1488	2136	P I copy.docs.x.exe	31
PID 2136 wrote to memory of 884	2136	P I copy.docs.x.exe	32
PID 2136 wrote to memory of 884	2136	P I copy.docs.x.exe	32
PID 2136 wrote to memory of 884	2136	P I copy.docs.x.exe	32
PID 2136 wrote to memory of 884	2136	P I copy.docs.x.exe	32
PID 2136 wrote to memory of 1500	2136	P I copy.docs.x.exe	33
PID 2136 wrote to memory of 1500	2136	P I copy.docs.x.exe	33
PID 2136 wrote to memory of 1500	2136	P I copy.docs.x.exe	33
PID 2136 wrote to memory of 1500	2136	P I copy.docs.x.exe	33
PID 2136 wrote to memory of 2080	2136	P I copy.docs.x.exe	34
PID 2136 wrote to memory of 2080	2136	P I copy.docs.x.exe	34
PID 2136 wrote to memory of 2080	2136	P I copy.docs.x.exe	34
PID 2136 wrote to memory of 2080	2136	P I copy.docs.x.exe	34
PID 2136 wrote to memory of 2080	2136	P I copy.docs.x.exe	34
PID 2136 wrote to memory of 2080	2136	P I copy.docs.x.exe	34
PID 2136 wrote to memory of 2080	2136	P I copy.docs.x.exe	34
PID 2136 wrote to memory of 2080	2136	P I copy.docs.x.exe	34
PID 2136 wrote to memory of 2080	2136	P I copy.docs.x.exe	34
PID 2080 wrote to memory of 2848	2080	P I copy.docs.x.exe	35
PID 2080 wrote to memory of 2848	2080	P I copy.docs.x.exe	35
PID 2080 wrote to memory of 2848	2080	P I copy.docs.x.exe	35
PID 2080 wrote to memory of 2848	2080	P I copy.docs.x.exe	35
PID 2080 wrote to memory of 2912	2080	P I copy.docs.x.exe	37
PID 2080 wrote to memory of 2912	2080	P I copy.docs.x.exe	37
PID 2080 wrote to memory of 2912	2080	P I copy.docs.x.exe	37
PID 2080 wrote to memory of 2912	2080	P I copy.docs.x.exe	37

C:\Users\Admin\AppData\Local\Temp\P I copy.docs.x.exe
"C:\Users\Admin\AppData\Local\Temp\P I copy.docs.x.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2136
- C:\Users\Admin\AppData\Local\Temp\P I copy.docs.x.exe
  "C:\Users\Admin\AppData\Local\Temp\P I copy.docs.x.exe"
  2⤵
  PID:1488
- C:\Users\Admin\AppData\Local\Temp\P I copy.docs.x.exe
  "C:\Users\Admin\AppData\Local\Temp\P I copy.docs.x.exe"
  2⤵
  PID:884
- C:\Users\Admin\AppData\Local\Temp\P I copy.docs.x.exe
  "C:\Users\Admin\AppData\Local\Temp\P I copy.docs.x.exe"
  2⤵
  PID:1500
- C:\Users\Admin\AppData\Local\Temp\P I copy.docs.x.exe
  "C:\Users\Admin\AppData\Local\Temp\P I copy.docs.x.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:2080
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "SCSI Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmpFB6F.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2848
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "SCSI Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpFC0C.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2912

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpFB6F.tmp

Filesize
1KB

MD5
01f9a86d9610760a6fef15b42f51421c

SHA1
6712e76ab3cde995d646c65b294201a63c23a221

SHA256
ce259ad39d30c453057fc465a0b4106ddbb7d5b01abdc01d41cf8f0d77a4f1e8

SHA512
10b5c22823e33eb169221ddfbc1119bb2c6e6ca61c143a90fb812973fe611df18afb4087d142b96705fdcd66bae880a29555ffd8eef85a68f3df6a69c7f97e04

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpFC0C.tmp

Filesize
1KB

MD5
bd110f9fc6c1a842f1d9b269010b0611

SHA1
ef71c062902602faef9b66dcd1cfc9fe5baaf389

SHA256
8135c4e4eeaa741f752c0ab8f4ee33e3bb8a0cac5923812234f2e5177d50eb5b

SHA512
b8a7943a3126880b26407800bbdad5402c5b0e2aa106e7dbbb35d0cb145ca9de114401573a6aa66042a2e13674cfbcc2981d66b813f9b923fff5302210afba1f

Download Submit
memory/2080-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2080-20-0x0000000074C00000-0x00000000752EE000-memory.dmp

Filesize
6.9MB

Download
memory/2080-34-0x0000000074C00000-0x00000000752EE000-memory.dmp

Filesize
6.9MB

Download
memory/2080-33-0x0000000074C00000-0x00000000752EE000-memory.dmp

Filesize
6.9MB

Download
memory/2080-32-0x00000000003F0000-0x00000000003FA000-memory.dmp

Filesize
40KB

Download
memory/2080-9-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2080-19-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2080-11-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2080-12-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2080-15-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2080-31-0x0000000000660000-0x000000000067E000-memory.dmp

Filesize
120KB

Download
memory/2080-30-0x00000000003A0000-0x00000000003AA000-memory.dmp

Filesize
40KB

Download
memory/2080-17-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2080-7-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2080-22-0x0000000074C00000-0x00000000752EE000-memory.dmp

Filesize
6.9MB

Download
memory/2136-21-0x0000000074C00000-0x00000000752EE000-memory.dmp

Filesize
6.9MB

Download
memory/2136-2-0x0000000074C00000-0x00000000752EE000-memory.dmp

Filesize
6.9MB

Download
memory/2136-1-0x00000000002E0000-0x0000000000396000-memory.dmp

Filesize
728KB

Download
memory/2136-0-0x0000000074C0E000-0x0000000074C0F000-memory.dmp

Filesize
4KB

Download
memory/2136-3-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2136-6-0x00000000004E0000-0x000000000055E000-memory.dmp

Filesize
504KB

Download
memory/2136-5-0x0000000074C00000-0x00000000752EE000-memory.dmp

Filesize
6.9MB

Download
memory/2136-4-0x0000000074C0E000-0x0000000074C0F000-memory.dmp

Filesize
4KB

Download