nanocore | c342a7cb93e23cde27bfe4bcf9358f4cb9d49c0198abf112be372245ef96d678

General

Target

QUOTATION-10-01-2021.doc.exe
Size

655KB
MD5

64a94e95263d5d44c99f69d16188d4b6
SHA1

480e2c6b89535c9980de74b6baec20ebe7f0a2d5
SHA256

0848e50e87a8f07c470d248f77b01e7e6639d64da7332c7c33372adc64c93ecf
SHA512

063517e6525f174dfb2506f4721b9d146ad7ecd30efc0ec1f01110ffd9789fd9539ca8c98edcf65cde48c90d799f0118d9961b92e737b31e8c48b87121995cfb
SSDEEP

12288:5ObQ+X8+UiDLbRHah6icBu8bonT0SqIr8UPX0lbqh0FsE1fTW:wbQ+X8+UiDLbRHah9cE8bER9r8UPE0h+

Score

10^/10

nanocore discovery evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

176.126.86.243:62520

185.222.57.158:62520

Mutex

18f247e6-b28e-4811-85e8-2d8d20ef3632

Attributes

activate_away_mode
true
backup_connection_host
185.222.57.158
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-07-09T23:28:43.442584536Z
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
62520
default_group
MERCY
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
18f247e6-b28e-4811-85e8-2d8d20ef3632
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
176.126.86.243
primary_dns_server
8.8.8.8
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
true
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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	QUOTATION-10-01-2021.doc.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	QUOTATION-10-01-2021.doc.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5012 set thread context of 2116	5012	QUOTATION-10-01-2021.doc.exe	98

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 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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	QUOTATION-10-01-2021.doc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	QUOTATION-10-01-2021.doc.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
888	schtasks.exe
1820	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
5012	QUOTATION-10-01-2021.doc.exe
5012	QUOTATION-10-01-2021.doc.exe
5012	QUOTATION-10-01-2021.doc.exe
5012	QUOTATION-10-01-2021.doc.exe
5012	QUOTATION-10-01-2021.doc.exe
5012	QUOTATION-10-01-2021.doc.exe
5012	QUOTATION-10-01-2021.doc.exe
2116	QUOTATION-10-01-2021.doc.exe
2116	QUOTATION-10-01-2021.doc.exe
2116	QUOTATION-10-01-2021.doc.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2116	QUOTATION-10-01-2021.doc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5012	QUOTATION-10-01-2021.doc.exe
Token: SeDebugPrivilege	2116	QUOTATION-10-01-2021.doc.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 5012 wrote to memory of 888	5012	QUOTATION-10-01-2021.doc.exe	96
PID 5012 wrote to memory of 888	5012	QUOTATION-10-01-2021.doc.exe	96
PID 5012 wrote to memory of 888	5012	QUOTATION-10-01-2021.doc.exe	96
PID 5012 wrote to memory of 2116	5012	QUOTATION-10-01-2021.doc.exe	98
PID 5012 wrote to memory of 2116	5012	QUOTATION-10-01-2021.doc.exe	98
PID 5012 wrote to memory of 2116	5012	QUOTATION-10-01-2021.doc.exe	98
PID 5012 wrote to memory of 2116	5012	QUOTATION-10-01-2021.doc.exe	98
PID 5012 wrote to memory of 2116	5012	QUOTATION-10-01-2021.doc.exe	98
PID 5012 wrote to memory of 2116	5012	QUOTATION-10-01-2021.doc.exe	98
PID 5012 wrote to memory of 2116	5012	QUOTATION-10-01-2021.doc.exe	98
PID 5012 wrote to memory of 2116	5012	QUOTATION-10-01-2021.doc.exe	98
PID 2116 wrote to memory of 1820	2116	QUOTATION-10-01-2021.doc.exe	99
PID 2116 wrote to memory of 1820	2116	QUOTATION-10-01-2021.doc.exe	99
PID 2116 wrote to memory of 1820	2116	QUOTATION-10-01-2021.doc.exe	99

C:\Users\Admin\AppData\Local\Temp\QUOTATION-10-01-2021.doc.exe
"C:\Users\Admin\AppData\Local\Temp\QUOTATION-10-01-2021.doc.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:5012
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BoukrLftXQcto" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6145.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:888
- C:\Users\Admin\AppData\Local\Temp\QUOTATION-10-01-2021.doc.exe
  "C:\Users\Admin\AppData\Local\Temp\QUOTATION-10-01-2021.doc.exe"
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2116
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "NAS Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmp6339.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1820

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

3

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp6339.tmp

Filesize
1KB

MD5
fe457b76193888ca44ea182788390457

SHA1
fea1e3b1c37e4c318a270b2639cba6a2727d81cb

SHA256
152cb1f961bfe097b8c9c12eae3f830a5ee03b97b91a1833447b41bfa72b757b

SHA512
1c9a31f1c73de77cbcc7c49ca63761bc99fcae7585a06eb1f3bc69ced56c90e0b0d2573bdc990f5e6bc00ba3b597ad4c74280513951c1a90e1cce33fccaff9da

Download Submit
memory/2116-16-0x0000000075270000-0x0000000075821000-memory.dmp

Filesize
5.7MB

Download
memory/2116-14-0x0000000075270000-0x0000000075821000-memory.dmp

Filesize
5.7MB

Download
memory/2116-23-0x0000000075270000-0x0000000075821000-memory.dmp

Filesize
5.7MB

Download
memory/2116-22-0x0000000075270000-0x0000000075821000-memory.dmp

Filesize
5.7MB

Download
memory/2116-21-0x0000000075270000-0x0000000075821000-memory.dmp

Filesize
5.7MB

Download
memory/2116-11-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2116-12-0x0000000075270000-0x0000000075821000-memory.dmp

Filesize
5.7MB

Download
memory/5012-15-0x0000000075270000-0x0000000075821000-memory.dmp

Filesize
5.7MB

Download
memory/5012-0-0x0000000075272000-0x0000000075273000-memory.dmp

Filesize
4KB

Download
memory/5012-2-0x0000000075270000-0x0000000075821000-memory.dmp

Filesize
5.7MB

Download
memory/5012-1-0x0000000075270000-0x0000000075821000-memory.dmp

Filesize
5.7MB

Download
memory/5012-5-0x0000000075270000-0x0000000075821000-memory.dmp

Filesize
5.7MB

Download
memory/5012-4-0x0000000075272000-0x0000000075273000-memory.dmp

Filesize
4KB

Download
memory/5012-3-0x0000000075270000-0x0000000075821000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads