nanocore | 5a5845be55a8b7cea641b0602473d4a0503bcbe333a3c859ed2cb9741c936a6e

General

Target

5a5845be55a8b7cea641b0602473d4a0503bcbe333a3c859ed2cb9741c936a6e.exe
Size

1024KB
MD5

f6bab8464f6d42202035ded8c466f43c
SHA1

967138d80779300894e7cf68a41625c70cc0b378
SHA256

5a5845be55a8b7cea641b0602473d4a0503bcbe333a3c859ed2cb9741c936a6e
SHA512

62291e38a7ac0f5c78e72e5020ba9f5eb96f920bb1ccde147b997c07be76ef1a001e8998ddad69b1443855d93c6287b5675d60f546deb9a64457621903182136

Score

10^/10

nanocore evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

mynameisstaff.warzonedns.com:7575

0mynameisstaff.warzonedns.com:7575

Mutex

f8f19b05-1600-439e-8cdb-c170718215e7

Attributes

activate_away_mode
true
backup_connection_host
0mynameisstaff.warzonedns.com
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2018-12-28T13:58:23.591388036Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
7575
default_group
MILO
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
f8f19b05-1600-439e-8cdb-c170718215e7
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
mynameisstaff.warzonedns.com
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-1-5-21-2660308776-3705150086-26593515-1000\Control Panel\International\Geo\Nation	5a5845be55a8b7cea641b0602473d4a0503bcbe333a3c859ed2cb9741c936a6e.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	5a5845be55a8b7cea641b0602473d4a0503bcbe333a3c859ed2cb9741c936a6e.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1548 set thread context of 4608	1548	5a5845be55a8b7cea641b0602473d4a0503bcbe333a3c859ed2cb9741c936a6e.exe	101

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
4660	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1548	5a5845be55a8b7cea641b0602473d4a0503bcbe333a3c859ed2cb9741c936a6e.exe
1548	5a5845be55a8b7cea641b0602473d4a0503bcbe333a3c859ed2cb9741c936a6e.exe
4608	5a5845be55a8b7cea641b0602473d4a0503bcbe333a3c859ed2cb9741c936a6e.exe
4608	5a5845be55a8b7cea641b0602473d4a0503bcbe333a3c859ed2cb9741c936a6e.exe
4608	5a5845be55a8b7cea641b0602473d4a0503bcbe333a3c859ed2cb9741c936a6e.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4608	5a5845be55a8b7cea641b0602473d4a0503bcbe333a3c859ed2cb9741c936a6e.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1548	5a5845be55a8b7cea641b0602473d4a0503bcbe333a3c859ed2cb9741c936a6e.exe
Token: SeDebugPrivilege	4608	5a5845be55a8b7cea641b0602473d4a0503bcbe333a3c859ed2cb9741c936a6e.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1548 wrote to memory of 4660	1548	5a5845be55a8b7cea641b0602473d4a0503bcbe333a3c859ed2cb9741c936a6e.exe	99
PID 1548 wrote to memory of 4660	1548	5a5845be55a8b7cea641b0602473d4a0503bcbe333a3c859ed2cb9741c936a6e.exe	99
PID 1548 wrote to memory of 4660	1548	5a5845be55a8b7cea641b0602473d4a0503bcbe333a3c859ed2cb9741c936a6e.exe	99
PID 1548 wrote to memory of 4608	1548	5a5845be55a8b7cea641b0602473d4a0503bcbe333a3c859ed2cb9741c936a6e.exe	101
PID 1548 wrote to memory of 4608	1548	5a5845be55a8b7cea641b0602473d4a0503bcbe333a3c859ed2cb9741c936a6e.exe	101
PID 1548 wrote to memory of 4608	1548	5a5845be55a8b7cea641b0602473d4a0503bcbe333a3c859ed2cb9741c936a6e.exe	101
PID 1548 wrote to memory of 4608	1548	5a5845be55a8b7cea641b0602473d4a0503bcbe333a3c859ed2cb9741c936a6e.exe	101
PID 1548 wrote to memory of 4608	1548	5a5845be55a8b7cea641b0602473d4a0503bcbe333a3c859ed2cb9741c936a6e.exe	101
PID 1548 wrote to memory of 4608	1548	5a5845be55a8b7cea641b0602473d4a0503bcbe333a3c859ed2cb9741c936a6e.exe	101
PID 1548 wrote to memory of 4608	1548	5a5845be55a8b7cea641b0602473d4a0503bcbe333a3c859ed2cb9741c936a6e.exe	101
PID 1548 wrote to memory of 4608	1548	5a5845be55a8b7cea641b0602473d4a0503bcbe333a3c859ed2cb9741c936a6e.exe	101

C:\Users\Admin\AppData\Local\Temp\5a5845be55a8b7cea641b0602473d4a0503bcbe333a3c859ed2cb9741c936a6e.exe
"C:\Users\Admin\AppData\Local\Temp\5a5845be55a8b7cea641b0602473d4a0503bcbe333a3c859ed2cb9741c936a6e.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1548
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NbZlBTUjDOz" /XML "C:\Users\Admin\AppData\Local\Temp\tmp976D.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:4660
- C:\Users\Admin\AppData\Local\Temp\5a5845be55a8b7cea641b0602473d4a0503bcbe333a3c859ed2cb9741c936a6e.exe
  "C:\Users\Admin\AppData\Local\Temp\5a5845be55a8b7cea641b0602473d4a0503bcbe333a3c859ed2cb9741c936a6e.exe"
  2⤵
  - Checks whether UAC is enabled
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:4608

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

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\tmp976D.tmp

Filesize
1KB

MD5
2387e47542401873733d7bea09f8dec6

SHA1
3ae5f99b55b2f0c993e5e8b0caed50467bbe1ff8

SHA256
89d8e4e8a2abfb591c79e1d445831966357bf575e549c29704c5b003b1f262c0

SHA512
666d435bfa2a7da1d4a0af35ac06e5dbd6c684d884e5b1154687416f0aafc275d974f9cc7c4bb62e450b5f3067587867b3fb29053dc540090b3295988dd47580

Download Submit
memory/1548-130-0x0000000075370000-0x0000000075921000-memory.dmp

Filesize
5.7MB

Download
memory/1548-131-0x0000000075370000-0x0000000075921000-memory.dmp

Filesize
5.7MB

Download
memory/1548-136-0x0000000075370000-0x0000000075921000-memory.dmp

Filesize
5.7MB

Download
memory/4608-135-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4608-137-0x0000000075370000-0x0000000075921000-memory.dmp

Filesize
5.7MB

Download
memory/4608-138-0x0000000075370000-0x0000000075921000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads