nanocore | 6a19ede919d3ef32c74ddbcefb4bfd3ef61ba2a86739978ed337639193678edb

Analysis

max time kernel
148s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
29/01/2025, 08:54

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General

Target

order details.XLSx.exe
Size

823KB
MD5

0ddcd72fe68a08cdba7dcd88b558e119
SHA1

5115f0642f1406b87bc82b949b6ee7610bbceab7
SHA256

6a19ede919d3ef32c74ddbcefb4bfd3ef61ba2a86739978ed337639193678edb
SHA512

3f4e73167eca733f2d683907e6740dc7679d221dbd6d4c90a575158a04462ab4cf98a3e59500dc804988524ce8933d1e512c04fdf3cb83d6af0f72aaac52d131
SSDEEP

12288:OzSggsivGjBjqrIbRC8D0No3nvudnBlGL3q74USqpsHcCbiqWiEBKz6o76:OzUmEGYnP63q74USk2biSnz

Score

10^/10

nanocore defense_evasion discovery execution 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

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
4952	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	order details.XLSx.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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\PCI Subsystem = "C:\\Program Files (x86)\\PCI Subsystem\\pciss.exe"	order details.XLSx.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	order details.XLSx.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3280 set thread context of 3472	3280	order details.XLSx.exe	103

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\PCI Subsystem\pciss.exe	order details.XLSx.exe
File opened for modification	C:\Program Files (x86)\PCI Subsystem\pciss.exe	order details.XLSx.exe

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 6 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	order details.XLSx.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	order details.XLSx.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 3 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
760	schtasks.exe
3980	schtasks.exe
4756	schtasks.exe

Suspicious behavior: EnumeratesProcesses 39 IoCs

pid	Process
3280	order details.XLSx.exe
3280	order details.XLSx.exe
3280	order details.XLSx.exe
3280	order details.XLSx.exe
3280	order details.XLSx.exe
3280	order details.XLSx.exe
3280	order details.XLSx.exe
3280	order details.XLSx.exe
3280	order details.XLSx.exe
3280	order details.XLSx.exe
3280	order details.XLSx.exe
3280	order details.XLSx.exe
3280	order details.XLSx.exe
3280	order details.XLSx.exe
3280	order details.XLSx.exe
3280	order details.XLSx.exe
3280	order details.XLSx.exe
3280	order details.XLSx.exe
3280	order details.XLSx.exe
3280	order details.XLSx.exe
3280	order details.XLSx.exe
3280	order details.XLSx.exe
3280	order details.XLSx.exe
3280	order details.XLSx.exe
3280	order details.XLSx.exe
3280	order details.XLSx.exe
3280	order details.XLSx.exe
3280	order details.XLSx.exe
3280	order details.XLSx.exe
3280	order details.XLSx.exe
3280	order details.XLSx.exe
4952	powershell.exe
4952	powershell.exe
3280	order details.XLSx.exe
3280	order details.XLSx.exe
3280	order details.XLSx.exe
3472	order details.XLSx.exe
3472	order details.XLSx.exe
3472	order details.XLSx.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3472	order details.XLSx.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3280	order details.XLSx.exe
Token: SeDebugPrivilege	4952	powershell.exe
Token: SeDebugPrivilege	3472	order details.XLSx.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 3280 wrote to memory of 4952	3280	order details.XLSx.exe	99
PID 3280 wrote to memory of 4952	3280	order details.XLSx.exe	99
PID 3280 wrote to memory of 4952	3280	order details.XLSx.exe	99
PID 3280 wrote to memory of 760	3280	order details.XLSx.exe	101
PID 3280 wrote to memory of 760	3280	order details.XLSx.exe	101
PID 3280 wrote to memory of 760	3280	order details.XLSx.exe	101
PID 3280 wrote to memory of 3472	3280	order details.XLSx.exe	103
PID 3280 wrote to memory of 3472	3280	order details.XLSx.exe	103
PID 3280 wrote to memory of 3472	3280	order details.XLSx.exe	103
PID 3280 wrote to memory of 3472	3280	order details.XLSx.exe	103
PID 3280 wrote to memory of 3472	3280	order details.XLSx.exe	103
PID 3280 wrote to memory of 3472	3280	order details.XLSx.exe	103
PID 3280 wrote to memory of 3472	3280	order details.XLSx.exe	103
PID 3280 wrote to memory of 3472	3280	order details.XLSx.exe	103
PID 3472 wrote to memory of 3980	3472	order details.XLSx.exe	104
PID 3472 wrote to memory of 3980	3472	order details.XLSx.exe	104
PID 3472 wrote to memory of 3980	3472	order details.XLSx.exe	104
PID 3472 wrote to memory of 4756	3472	order details.XLSx.exe	106
PID 3472 wrote to memory of 4756	3472	order details.XLSx.exe	106
PID 3472 wrote to memory of 4756	3472	order details.XLSx.exe	106

C:\Users\Admin\AppData\Local\Temp\order details.XLSx.exe
"C:\Users\Admin\AppData\Local\Temp\order details.XLSx.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3280
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\SrVRkjAnDPHx.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4952
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SrVRkjAnDPHx" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBFE0.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:760
- C:\Users\Admin\AppData\Local\Temp\order details.XLSx.exe
  "C:\Users\Admin\AppData\Local\Temp\order details.XLSx.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:3472
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "PCI Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmpC407.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3980
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "PCI Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpC475.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4756

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

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

Query Registry

T1012

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\Microsoft\CLR_v4.0_32\UsageLogs\order details.XLSx.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3ipe3key.ecp.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpBFE0.tmp

Filesize
1KB

MD5
fc96cb88b693377439988edd521ef1b7

SHA1
1312ecc607ed85dcf3fd111c2da818bc2c4cffeb

SHA256
1f60e3c2f3f4ac05609a9a213ce899b6b5f468f6b514932d64292c4f0a3295ec

SHA512
7630f1a72108fcfbbb09ec0dae209f1f047213adea854096db8c6b1a116150eb64c3d5d78ef63a8f20bd32808e0ee997833adf4471530e81e9065d0b23805441

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC407.tmp

Filesize
1KB

MD5
a40bd5ec4bceb25e418af60f17f71bf7

SHA1
b6e88de77f429b7cb2e2e88a11e9eb1f710949d3

SHA256
04e22bd38715ac696398a4238cd11c0e6d2ed715ca1fd8c00004882d72ed1571

SHA512
2a9cb9128282e24258d65c89e6ebb5c8bfffb48a221d4fd1ede225a0f35b2d925ec92635107c699511fb16c585aa117cbe4bb2dc6ce2b648908c6faa4a46ada7

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC475.tmp

Filesize
1KB

MD5
09063e7cc0d66a9aed53f2e2d2409103

SHA1
96f8fa15b5a3b2646f6691770a158c69ea7405a4

SHA256
369b159ef60c988373a3c85e0b10b5ff2178504465f11965ab0d66f14124f9a1

SHA512
c460a3cab70270c5cefe0464df6ddb9d50bb58ac9c49c7e62c9a55cc6bc30b6411cbc28ae418dd91b1ba1190f8394ccd937452ae70d7062740207d2ffc68e2ec

Download Submit
memory/3280-5-0x00000000749C0000-0x0000000075170000-memory.dmp

Filesize
7.7MB

Download
memory/3280-4-0x0000000005480000-0x000000000548A000-memory.dmp

Filesize
40KB

Download
memory/3280-7-0x0000000005990000-0x00000000059AE000-memory.dmp

Filesize
120KB

Download
memory/3280-8-0x00000000749CE000-0x00000000749CF000-memory.dmp

Filesize
4KB

Download
memory/3280-9-0x00000000749C0000-0x0000000075170000-memory.dmp

Filesize
7.7MB

Download
memory/3280-10-0x0000000004E60000-0x0000000004EDE000-memory.dmp

Filesize
504KB

Download
memory/3280-1-0x0000000000B20000-0x0000000000BF4000-memory.dmp

Filesize
848KB

Download
memory/3280-2-0x0000000005A10000-0x0000000005FB4000-memory.dmp

Filesize
5.6MB

Download
memory/3280-3-0x0000000005500000-0x0000000005592000-memory.dmp

Filesize
584KB

Download
memory/3280-0-0x00000000749CE000-0x00000000749CF000-memory.dmp

Filesize
4KB

Download
memory/3280-6-0x0000000005650000-0x00000000056EC000-memory.dmp

Filesize
624KB

Download
memory/3280-56-0x00000000749C0000-0x0000000075170000-memory.dmp

Filesize
7.7MB

Download
memory/3472-67-0x0000000005310000-0x000000000531A000-memory.dmp

Filesize
40KB

Download
memory/3472-51-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3472-68-0x0000000005660000-0x000000000567E000-memory.dmp

Filesize
120KB

Download
memory/3472-69-0x00000000062C0000-0x00000000062CA000-memory.dmp

Filesize
40KB

Download
memory/4952-44-0x00000000749C0000-0x0000000075170000-memory.dmp

Filesize
7.7MB

Download
memory/4952-19-0x0000000005AB0000-0x0000000005AD2000-memory.dmp

Filesize
136KB

Download
memory/4952-35-0x000000006F210000-0x000000006F25C000-memory.dmp

Filesize
304KB

Download
memory/4952-32-0x00000000068F0000-0x000000000690E000-memory.dmp

Filesize
120KB

Download
memory/4952-34-0x00000000078C0000-0x00000000078F2000-memory.dmp

Filesize
200KB

Download
memory/4952-46-0x0000000006E80000-0x0000000006E9E000-memory.dmp

Filesize
120KB

Download
memory/4952-48-0x0000000007900000-0x00000000079A3000-memory.dmp

Filesize
652KB

Download
memory/4952-47-0x00000000749C0000-0x0000000075170000-memory.dmp

Filesize
7.7MB

Download
memory/4952-22-0x0000000006270000-0x00000000065C4000-memory.dmp

Filesize
3.3MB

Download
memory/4952-20-0x0000000006180000-0x00000000061E6000-memory.dmp

Filesize
408KB

Download
memory/4952-53-0x0000000007C30000-0x0000000007C4A000-memory.dmp

Filesize
104KB

Download
memory/4952-52-0x0000000008290000-0x000000000890A000-memory.dmp

Filesize
6.5MB

Download
memory/4952-21-0x00000000061F0000-0x0000000006256000-memory.dmp

Filesize
408KB

Download
memory/4952-33-0x0000000006920000-0x000000000696C000-memory.dmp

Filesize
304KB

Download
memory/4952-57-0x0000000007CA0000-0x0000000007CAA000-memory.dmp

Filesize
40KB

Download
memory/4952-61-0x0000000007EB0000-0x0000000007F46000-memory.dmp

Filesize
600KB

Download
memory/4952-18-0x00000000749C0000-0x0000000075170000-memory.dmp

Filesize
7.7MB

Download
memory/4952-17-0x00000000749C0000-0x0000000075170000-memory.dmp

Filesize
7.7MB

Download
memory/4952-66-0x0000000007E30000-0x0000000007E41000-memory.dmp

Filesize
68KB

Download
memory/4952-16-0x0000000005B50000-0x0000000006178000-memory.dmp

Filesize
6.2MB

Download
memory/4952-15-0x00000000749C0000-0x0000000075170000-memory.dmp

Filesize
7.7MB

Download
memory/4952-14-0x0000000002F50000-0x0000000002F86000-memory.dmp

Filesize
216KB

Download
memory/4952-70-0x0000000007E60000-0x0000000007E6E000-memory.dmp

Filesize
56KB

Download
memory/4952-71-0x0000000007E70000-0x0000000007E84000-memory.dmp

Filesize
80KB

Download
memory/4952-72-0x0000000007F70000-0x0000000007F8A000-memory.dmp

Filesize
104KB

Download
memory/4952-73-0x0000000007F50000-0x0000000007F58000-memory.dmp

Filesize
32KB

Download
memory/4952-76-0x00000000749C0000-0x0000000075170000-memory.dmp

Filesize
7.7MB

Download