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

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

Processes:

Falcon 900EX Specification-Jets Sped.xlsx.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	Falcon 900EX Specification-Jets Sped.xlsx.exe

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\AGP Monitor = "C:\\Program Files (x86)\\AGP Monitor\\agpmon.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 2536 set thread context of 2100	2536	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)\AGP Monitor\agpmon.exe	Falcon 900EX Specification-Jets Sped.xlsx.exe
File opened for modification	C:\Program Files (x86)\AGP Monitor\agpmon.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

3280 schtasks.exe

pid	process
3280	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

powershell.exeFalcon 900EX Specification-Jets Sped.xlsx.exe

pid	process
1636	powershell.exe
2100	Falcon 900EX Specification-Jets Sped.xlsx.exe
2100	Falcon 900EX Specification-Jets Sped.xlsx.exe
2100	Falcon 900EX Specification-Jets Sped.xlsx.exe
1636	powershell.exe
2100	Falcon 900EX Specification-Jets Sped.xlsx.exe
2100	Falcon 900EX Specification-Jets Sped.xlsx.exe
2100	Falcon 900EX Specification-Jets Sped.xlsx.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Falcon 900EX Specification-Jets Sped.xlsx.exe

pid process

2100 Falcon 900EX Specification-Jets Sped.xlsx.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exeFalcon 900EX Specification-Jets Sped.xlsx.exe

description pid process

Token: SeDebugPrivilege 1636 powershell.exe
Token: SeDebugPrivilege 2100 Falcon 900EX Specification-Jets Sped.xlsx.exe

pid	process
2100	Falcon 900EX Specification-Jets Sped.xlsx.exe

description	pid	process
Token: SeDebugPrivilege	1636	powershell.exe
Token: SeDebugPrivilege	2100	Falcon 900EX Specification-Jets Sped.xlsx.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

Falcon 900EX Specification-Jets Sped.xlsx.exe

description	pid	process	target process
PID 2536 wrote to memory of 1636	2536	Falcon 900EX Specification-Jets Sped.xlsx.exe	powershell.exe
PID 2536 wrote to memory of 1636	2536	Falcon 900EX Specification-Jets Sped.xlsx.exe	powershell.exe
PID 2536 wrote to memory of 1636	2536	Falcon 900EX Specification-Jets Sped.xlsx.exe	powershell.exe
PID 2536 wrote to memory of 3280	2536	Falcon 900EX Specification-Jets Sped.xlsx.exe	schtasks.exe
PID 2536 wrote to memory of 3280	2536	Falcon 900EX Specification-Jets Sped.xlsx.exe	schtasks.exe
PID 2536 wrote to memory of 3280	2536	Falcon 900EX Specification-Jets Sped.xlsx.exe	schtasks.exe
PID 2536 wrote to memory of 2100	2536	Falcon 900EX Specification-Jets Sped.xlsx.exe	Falcon 900EX Specification-Jets Sped.xlsx.exe
PID 2536 wrote to memory of 2100	2536	Falcon 900EX Specification-Jets Sped.xlsx.exe	Falcon 900EX Specification-Jets Sped.xlsx.exe
PID 2536 wrote to memory of 2100	2536	Falcon 900EX Specification-Jets Sped.xlsx.exe	Falcon 900EX Specification-Jets Sped.xlsx.exe
PID 2536 wrote to memory of 2100	2536	Falcon 900EX Specification-Jets Sped.xlsx.exe	Falcon 900EX Specification-Jets Sped.xlsx.exe
PID 2536 wrote to memory of 2100	2536	Falcon 900EX Specification-Jets Sped.xlsx.exe	Falcon 900EX Specification-Jets Sped.xlsx.exe
PID 2536 wrote to memory of 2100	2536	Falcon 900EX Specification-Jets Sped.xlsx.exe	Falcon 900EX Specification-Jets Sped.xlsx.exe
PID 2536 wrote to memory of 2100	2536	Falcon 900EX Specification-Jets Sped.xlsx.exe	Falcon 900EX Specification-Jets Sped.xlsx.exe
PID 2536 wrote to memory of 2100	2536	Falcon 900EX Specification-Jets Sped.xlsx.exe	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⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2536
- 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:1636
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PNpTcZmVBYnJa" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1B87.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3280
- 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:2100

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

Query Registry

1

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp1B87.tmp

Filesize
1KB

MD5
87b8cd4e76e73b3a514350d96491bc5a

SHA1
a6c30e7a09c9b7bc6390937ff016bb1263e40019

SHA256
0eeaf58e945fd427a1422f4364ff0bcc50ad70a7c8c5cc9a01e6c8f259cee1a8

SHA512
007757e4276a127a3b28f8bc2a7c951c86c085b343f96818cb9b6b721da2f4f04211380735626e5102e097d9206354a6b5c8f7166c62a0a1c4a411508ffe9b1a

Download Submit
memory/1636-150-0x0000000006D00000-0x0000000006D1E000-memory.dmp

Filesize
120KB

Download
memory/1636-137-0x0000000000000000-mapping.dmp

Download
memory/1636-145-0x0000000005A10000-0x0000000005A76000-memory.dmp

Filesize
408KB

Download
memory/1636-157-0x0000000007D60000-0x0000000007D68000-memory.dmp

Filesize
32KB

Download
memory/1636-146-0x0000000005AF0000-0x0000000005B56000-memory.dmp

Filesize
408KB

Download
memory/1636-156-0x0000000007D80000-0x0000000007D9A000-memory.dmp

Filesize
104KB

Download
memory/1636-139-0x0000000002DF0000-0x0000000002E26000-memory.dmp

Filesize
216KB

Download
memory/1636-147-0x0000000006730000-0x000000000674E000-memory.dmp

Filesize
120KB

Download
memory/1636-142-0x0000000005B60000-0x0000000006188000-memory.dmp

Filesize
6.2MB

Download
memory/1636-155-0x0000000007C70000-0x0000000007C7E000-memory.dmp

Filesize
56KB

Download
memory/1636-154-0x0000000007CC0000-0x0000000007D56000-memory.dmp

Filesize
600KB

Download
memory/1636-144-0x0000000005770000-0x0000000005792000-memory.dmp

Filesize
136KB

Download
memory/1636-153-0x0000000007AB0000-0x0000000007ABA000-memory.dmp

Filesize
40KB

Download
memory/1636-152-0x0000000007A40000-0x0000000007A5A000-memory.dmp

Filesize
104KB

Download
memory/1636-151-0x0000000008090000-0x000000000870A000-memory.dmp

Filesize
6.5MB

Download
memory/1636-148-0x00000000076F0000-0x0000000007722000-memory.dmp

Filesize
200KB

Download
memory/1636-149-0x0000000070500000-0x000000007054C000-memory.dmp

Filesize
304KB

Download
memory/2100-141-0x0000000000000000-mapping.dmp

Download
memory/2100-143-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2536-132-0x00000000002E0000-0x00000000003DA000-memory.dmp

Filesize
1000KB

Download
memory/2536-133-0x0000000005400000-0x00000000059A4000-memory.dmp

Filesize
5.6MB

Download
memory/2536-134-0x0000000004D80000-0x0000000004E12000-memory.dmp

Filesize
584KB

Download
memory/2536-135-0x0000000004D70000-0x0000000004D7A000-memory.dmp

Filesize
40KB

Download
memory/2536-136-0x0000000006FF0000-0x000000000708C000-memory.dmp

Filesize
624KB

Download
memory/3280-138-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads