nanocore | 4d01d1b24f4f7487669486becc7ff8b43a126f56ffb3d8fcce8c66b200412475

General

Target
2ec4ce9dcf1fa1c8dfcf2bc174916c06.exe
Size 1.3MB
Sample210619-fbth9ayphe
SHA256 4d01d1b24f4f7487669486becc7ff8b43a126f56ffb3d8fcce8c66b200412475
MD5 2ec4ce9dcf1fa1c8dfcf2bc174916c06
SHA1 6c815edfde9ea757aec8ebef4f97d20b3393955d
SHA512 01920faa58643bdd990d200ed47e1660e2e204380c357694505fe757902da4bec4969976bb1d8db8ea487d169b52c463c614bd0f5b4696c0d5a00af49c0bda18
MD5 SHA1 SHA512

Score

10^/10

nanocore keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

wekeepworking.sytes.net:83
wekeepworking12.sytes.net:83

Mutex

4b81aa30-25dd-4ecd-9d49-787262961dd8

Attributes

activate_away_mode
true
backup_connection_host
wekeepworking12.sytes.net
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-03-30T09:25:44.489554736Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
83
default_group
GRACE FOREVER
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
4b81aa30-25dd-4ecd-9d49-787262961dd8
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
wekeepworking.sytes.net
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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1268 set thread context of 1524	1268	2ec4ce9dcf1fa1c8dfcf2bc174916c06.exe	31

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

pid	Process
1004	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1524	RegSvcs.exe
1524	RegSvcs.exe
1524	RegSvcs.exe
1524	RegSvcs.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1524	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1524	RegSvcs.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1268 wrote to memory of 1004	1268	2ec4ce9dcf1fa1c8dfcf2bc174916c06.exe	29
PID 1268 wrote to memory of 1004	1268	2ec4ce9dcf1fa1c8dfcf2bc174916c06.exe	29
PID 1268 wrote to memory of 1004	1268	2ec4ce9dcf1fa1c8dfcf2bc174916c06.exe	29
PID 1268 wrote to memory of 1004	1268	2ec4ce9dcf1fa1c8dfcf2bc174916c06.exe	29
PID 1268 wrote to memory of 1524	1268	2ec4ce9dcf1fa1c8dfcf2bc174916c06.exe	31
PID 1268 wrote to memory of 1524	1268	2ec4ce9dcf1fa1c8dfcf2bc174916c06.exe	31
PID 1268 wrote to memory of 1524	1268	2ec4ce9dcf1fa1c8dfcf2bc174916c06.exe	31
PID 1268 wrote to memory of 1524	1268	2ec4ce9dcf1fa1c8dfcf2bc174916c06.exe	31
PID 1268 wrote to memory of 1524	1268	2ec4ce9dcf1fa1c8dfcf2bc174916c06.exe	31
PID 1268 wrote to memory of 1524	1268	2ec4ce9dcf1fa1c8dfcf2bc174916c06.exe	31
PID 1268 wrote to memory of 1524	1268	2ec4ce9dcf1fa1c8dfcf2bc174916c06.exe	31
PID 1268 wrote to memory of 1524	1268	2ec4ce9dcf1fa1c8dfcf2bc174916c06.exe	31
PID 1268 wrote to memory of 1524	1268	2ec4ce9dcf1fa1c8dfcf2bc174916c06.exe	31
PID 1268 wrote to memory of 1524	1268	2ec4ce9dcf1fa1c8dfcf2bc174916c06.exe	31
PID 1268 wrote to memory of 1524	1268	2ec4ce9dcf1fa1c8dfcf2bc174916c06.exe	31
PID 1268 wrote to memory of 1524	1268	2ec4ce9dcf1fa1c8dfcf2bc174916c06.exe	31

C:\Users\Admin\AppData\Local\Temp\2ec4ce9dcf1fa1c8dfcf2bc174916c06.exe
"C:\Users\Admin\AppData\Local\Temp\2ec4ce9dcf1fa1c8dfcf2bc174916c06.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1268
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mKzOfgz" /XML "C:\Users\Admin\AppData\Local\Temp\tmp89C9.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1004
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:1524

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1268-59-0x0000000075591000-0x0000000075593000-memory.dmp

Download

memory/1268-60-0x00000000004A0000-0x00000000004A1000-memory.dmp

Download

memory/1268-61-0x00000000004A1000-0x00000000004A2000-memory.dmp

Download

memory/1524-64-0x0000000000400000-0x000000000048C000-memory.dmp

Download

memory/1524-68-0x0000000000B21000-0x0000000000B22000-memory.dmp

Download

memory/1524-67-0x0000000000B20000-0x0000000000B21000-memory.dmp

Download

memory/1524-69-0x0000000000B26000-0x0000000000B37000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads