nanocore | 97114df3b308c295d098c06672827ce256dbfd8925d765bc03fc3ed970877067

General

Target

Falcon 900EX Specification-Jets Sped.xlsx.exe
Size

979KB
MD5

669f69ee089a30a91d8fd84f788d080d
SHA1

89b4973a79484b6d970839820a1b53329af3e1af
SHA256

97114df3b308c295d098c06672827ce256dbfd8925d765bc03fc3ed970877067
SHA512

ee5e5c2174abf1465953de7d541ff4f3515ba016777cec761faf1a78359d47f7aa062c29c741ab8cb9ff9ae19759aef838164b17c190d36b8b72895698a916f6
SSDEEP

12288:ULESzD6V2Zu20mKIxVmhS1FnJi7HSqKJaA8pHrIG307SsveZ:UCmLxVmhSznJWHFKJavcGk7Sl

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

rdns0.vipsms101.com:54991

vipsms101.com:54991

Mutex

4df1b292-dbd9-4a4e-9b0a-4b6514b259e2

Attributes

activate_away_mode
true
backup_connection_host
vipsms101.com
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2022-07-26T12:39:22.095777136Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
54991
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
4df1b292-dbd9-4a4e-9b0a-4b6514b259e2
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
rdns0.vipsms101.com
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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Falcon 900EX Specification-Jets Sped.xlsx.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\UDP Service = "C:\\Program Files (x86)\\UDP Service\\udpsv.exe"	Falcon 900EX Specification-Jets Sped.xlsx.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

Falcon 900EX Specification-Jets Sped.xlsx.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	Falcon 900EX Specification-Jets Sped.xlsx.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Falcon 900EX Specification-Jets Sped.xlsx.exe

description	pid	process	target process
PID 1712 set thread context of 912	1712	Falcon 900EX Specification-Jets Sped.xlsx.exe	Falcon 900EX Specification-Jets Sped.xlsx.exe

Drops file in Program Files directory 2 IoCs

Processes:

Falcon 900EX Specification-Jets Sped.xlsx.exe

description	ioc	process
File created	C:\Program Files (x86)\UDP Service\udpsv.exe	Falcon 900EX Specification-Jets Sped.xlsx.exe
File opened for modification	C:\Program Files (x86)\UDP Service\udpsv.exe	Falcon 900EX Specification-Jets Sped.xlsx.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

2008 schtasks.exe

pid	process
2008	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

Falcon 900EX Specification-Jets Sped.xlsx.exeFalcon 900EX Specification-Jets Sped.xlsx.exepowershell.exe

pid	process
1712	Falcon 900EX Specification-Jets Sped.xlsx.exe
912	Falcon 900EX Specification-Jets Sped.xlsx.exe
912	Falcon 900EX Specification-Jets Sped.xlsx.exe
1780	powershell.exe
912	Falcon 900EX Specification-Jets Sped.xlsx.exe
912	Falcon 900EX Specification-Jets Sped.xlsx.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Falcon 900EX Specification-Jets Sped.xlsx.exe

pid process

912 Falcon 900EX Specification-Jets Sped.xlsx.exe

pid	process
912	Falcon 900EX Specification-Jets Sped.xlsx.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Falcon 900EX Specification-Jets Sped.xlsx.exeFalcon 900EX Specification-Jets Sped.xlsx.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	1712	Falcon 900EX Specification-Jets Sped.xlsx.exe
Token: SeDebugPrivilege	912	Falcon 900EX Specification-Jets Sped.xlsx.exe
Token: SeDebugPrivilege	1780	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

Falcon 900EX Specification-Jets Sped.xlsx.exe

C:\Users\Admin\AppData\Local\Temp\Falcon 900EX Specification-Jets Sped.xlsx.exe
"C:\Users\Admin\AppData\Local\Temp\Falcon 900EX Specification-Jets Sped.xlsx.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1712
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\PNpTcZmVBYnJa.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1780
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PNpTcZmVBYnJa" /XML "C:\Users\Admin\AppData\Local\Temp\tmp148B.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2008
- C:\Users\Admin\AppData\Local\Temp\Falcon 900EX Specification-Jets Sped.xlsx.exe
  "C:\Users\Admin\AppData\Local\Temp\Falcon 900EX Specification-Jets Sped.xlsx.exe"
  2⤵
  PID:920
- C:\Users\Admin\AppData\Local\Temp\Falcon 900EX Specification-Jets Sped.xlsx.exe
  "C:\Users\Admin\AppData\Local\Temp\Falcon 900EX Specification-Jets Sped.xlsx.exe"
  2⤵
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - Drops file in Program Files directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:912

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp148B.tmp

Filesize
1KB

MD5
b92b2b9b2412d787bdd977a63608d1de

SHA1
86abc58efb33124d4b043c723d27431029d957f6

SHA256
83dc30b4ca66abcd4b219dc3401ef9c3a3fb88d16431102111d6348d59894358

SHA512
a2cc419a8968ca480d7d27e63bbed4dbf6537ecaed068758335ec41fc7dd39c5d406cf3161f74400b73d70592a39498fb5401d13f6f7ee1519f050d2e574ac6e

Download Submit
memory/912-84-0x0000000000900000-0x0000000000912000-memory.dmp

Filesize
72KB

Download
memory/912-86-0x0000000000920000-0x000000000092E000-memory.dmp

Filesize
56KB

Download
memory/912-92-0x00000000022C0000-0x00000000022D4000-memory.dmp

Filesize
80KB

Download
memory/912-91-0x0000000004880000-0x00000000048AE000-memory.dmp

Filesize
184KB

Download
memory/912-90-0x0000000000C10000-0x0000000000C1E000-memory.dmp

Filesize
56KB

Download
memory/912-89-0x0000000000C00000-0x0000000000C14000-memory.dmp

Filesize
80KB

Download
memory/912-88-0x0000000000BF0000-0x0000000000C00000-memory.dmp

Filesize
64KB

Download
memory/912-78-0x00000000003F0000-0x00000000003FA000-memory.dmp

Filesize
40KB

Download
memory/912-64-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/912-65-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/912-67-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/912-70-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/912-68-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/912-79-0x00000000005A0000-0x00000000005BE000-memory.dmp

Filesize
120KB

Download
memory/912-73-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/912-75-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/912-87-0x0000000000930000-0x0000000000944000-memory.dmp

Filesize
80KB

Download
memory/912-85-0x0000000000910000-0x000000000091C000-memory.dmp

Filesize
48KB

Download
memory/912-71-0x000000000041E792-mapping.dmp

Download
memory/912-80-0x0000000000680000-0x000000000068A000-memory.dmp

Filesize
40KB

Download
memory/912-81-0x0000000000720000-0x0000000000732000-memory.dmp

Filesize
72KB

Download
memory/912-82-0x0000000000780000-0x000000000079A000-memory.dmp

Filesize
104KB

Download
memory/912-83-0x00000000007A0000-0x00000000007AE000-memory.dmp

Filesize
56KB

Download
memory/1712-54-0x0000000000C30000-0x0000000000D2A000-memory.dmp

Filesize
1000KB

Download
memory/1712-63-0x00000000050A0000-0x00000000050DA000-memory.dmp

Filesize
232KB

Download
memory/1712-56-0x00000000005E0000-0x00000000005F6000-memory.dmp

Filesize
88KB

Download
memory/1712-58-0x0000000005EE0000-0x0000000005F54000-memory.dmp

Filesize
464KB

Download
memory/1712-55-0x00000000762B1000-0x00000000762B3000-memory.dmp

Filesize
8KB

Download
memory/1712-57-0x0000000000670000-0x000000000067C000-memory.dmp

Filesize
48KB

Download
memory/1780-59-0x0000000000000000-mapping.dmp

Download
memory/1780-77-0x0000000070500000-0x0000000070AAB000-memory.dmp

Filesize
5.7MB

Download
memory/1780-93-0x0000000070500000-0x0000000070AAB000-memory.dmp

Filesize
5.7MB

Download
memory/2008-60-0x0000000000000000-mapping.dmp

Download

description	pid	process	target process
PID 1712 wrote to memory of 1780	1712	Falcon 900EX Specification-Jets Sped.xlsx.exe	powershell.exe
PID 1712 wrote to memory of 1780	1712	Falcon 900EX Specification-Jets Sped.xlsx.exe	powershell.exe
PID 1712 wrote to memory of 1780	1712	Falcon 900EX Specification-Jets Sped.xlsx.exe	powershell.exe
PID 1712 wrote to memory of 1780	1712	Falcon 900EX Specification-Jets Sped.xlsx.exe	powershell.exe
PID 1712 wrote to memory of 2008	1712	Falcon 900EX Specification-Jets Sped.xlsx.exe	schtasks.exe
PID 1712 wrote to memory of 2008	1712	Falcon 900EX Specification-Jets Sped.xlsx.exe	schtasks.exe
PID 1712 wrote to memory of 2008	1712	Falcon 900EX Specification-Jets Sped.xlsx.exe	schtasks.exe
PID 1712 wrote to memory of 2008	1712	Falcon 900EX Specification-Jets Sped.xlsx.exe	schtasks.exe
PID 1712 wrote to memory of 920	1712	Falcon 900EX Specification-Jets Sped.xlsx.exe	Falcon 900EX Specification-Jets Sped.xlsx.exe
PID 1712 wrote to memory of 920	1712	Falcon 900EX Specification-Jets Sped.xlsx.exe	Falcon 900EX Specification-Jets Sped.xlsx.exe
PID 1712 wrote to memory of 920	1712	Falcon 900EX Specification-Jets Sped.xlsx.exe	Falcon 900EX Specification-Jets Sped.xlsx.exe
PID 1712 wrote to memory of 920	1712	Falcon 900EX Specification-Jets Sped.xlsx.exe	Falcon 900EX Specification-Jets Sped.xlsx.exe
PID 1712 wrote to memory of 912	1712	Falcon 900EX Specification-Jets Sped.xlsx.exe	Falcon 900EX Specification-Jets Sped.xlsx.exe
PID 1712 wrote to memory of 912	1712	Falcon 900EX Specification-Jets Sped.xlsx.exe	Falcon 900EX Specification-Jets Sped.xlsx.exe
PID 1712 wrote to memory of 912	1712	Falcon 900EX Specification-Jets Sped.xlsx.exe	Falcon 900EX Specification-Jets Sped.xlsx.exe
PID 1712 wrote to memory of 912	1712	Falcon 900EX Specification-Jets Sped.xlsx.exe	Falcon 900EX Specification-Jets Sped.xlsx.exe
PID 1712 wrote to memory of 912	1712	Falcon 900EX Specification-Jets Sped.xlsx.exe	Falcon 900EX Specification-Jets Sped.xlsx.exe
PID 1712 wrote to memory of 912	1712	Falcon 900EX Specification-Jets Sped.xlsx.exe	Falcon 900EX Specification-Jets Sped.xlsx.exe
PID 1712 wrote to memory of 912	1712	Falcon 900EX Specification-Jets Sped.xlsx.exe	Falcon 900EX Specification-Jets Sped.xlsx.exe
PID 1712 wrote to memory of 912	1712	Falcon 900EX Specification-Jets Sped.xlsx.exe	Falcon 900EX Specification-Jets Sped.xlsx.exe
PID 1712 wrote to memory of 912	1712	Falcon 900EX Specification-Jets Sped.xlsx.exe	Falcon 900EX Specification-Jets Sped.xlsx.exe

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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