nanocore | d03cb8f1bef2e072243235b214adfcbd3e03377a5f3d8753d5025ef35a1666bc

General

Target
t7Beia0TdGFsj4p.exe
Size 874KB
Sample201009-xwrkcd8xaa
SHA256 d03cb8f1bef2e072243235b214adfcbd3e03377a5f3d8753d5025ef35a1666bc
MD5 b3fbbff80056f0e3df334c5ea6894d9b
SHA1 332ffa48412480de963478f6ccf1c692e80a54ed
SHA512 6198e4737e32458cc91fe48a5105eee95ad65843d5dde1713558a49565411c596f1edfbe5d5fe13f90f58c3f97a0ab0372a6eb96cfb561fd43cba39fbf7ca1f7
MD5 SHA1 SHA512

Score

10^/10

keylogger trojan stealer spyware nanocore

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

79.134.225.103:1985

Mutex

f98b642a-cbbd-4ec8-acf3-dec37cf005ed

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-07-18T03:42:32.065333336Z
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
1985
default_group
SLAVES
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
f98b642a-cbbd-4ec8-acf3-dec37cf005ed
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
79.134.225.103
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 336 set thread context of 1596	336	t7Beia0TdGFsj4p.exe	30

Creates scheduled task(s) 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
1780	schtasks.exe
1904	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
336	t7Beia0TdGFsj4p.exe
336	t7Beia0TdGFsj4p.exe
336	t7Beia0TdGFsj4p.exe
336	t7Beia0TdGFsj4p.exe
1596	RegSvcs.exe
1596	RegSvcs.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1596	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	336	t7Beia0TdGFsj4p.exe
Token: SeDebugPrivilege	1596	RegSvcs.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 336 wrote to memory of 1780	336	t7Beia0TdGFsj4p.exe	28
PID 336 wrote to memory of 1780	336	t7Beia0TdGFsj4p.exe	28
PID 336 wrote to memory of 1780	336	t7Beia0TdGFsj4p.exe	28
PID 336 wrote to memory of 1780	336	t7Beia0TdGFsj4p.exe	28
PID 336 wrote to memory of 1596	336	t7Beia0TdGFsj4p.exe	30
PID 336 wrote to memory of 1596	336	t7Beia0TdGFsj4p.exe	30
PID 336 wrote to memory of 1596	336	t7Beia0TdGFsj4p.exe	30
PID 336 wrote to memory of 1596	336	t7Beia0TdGFsj4p.exe	30
PID 336 wrote to memory of 1596	336	t7Beia0TdGFsj4p.exe	30
PID 336 wrote to memory of 1596	336	t7Beia0TdGFsj4p.exe	30
PID 336 wrote to memory of 1596	336	t7Beia0TdGFsj4p.exe	30
PID 336 wrote to memory of 1596	336	t7Beia0TdGFsj4p.exe	30
PID 336 wrote to memory of 1596	336	t7Beia0TdGFsj4p.exe	30
PID 336 wrote to memory of 1596	336	t7Beia0TdGFsj4p.exe	30
PID 336 wrote to memory of 1596	336	t7Beia0TdGFsj4p.exe	30
PID 336 wrote to memory of 1596	336	t7Beia0TdGFsj4p.exe	30
PID 1596 wrote to memory of 1904	1596	RegSvcs.exe	31
PID 1596 wrote to memory of 1904	1596	RegSvcs.exe	31
PID 1596 wrote to memory of 1904	1596	RegSvcs.exe	31
PID 1596 wrote to memory of 1904	1596	RegSvcs.exe	31

C:\Users\Admin\AppData\Local\Temp\t7Beia0TdGFsj4p.exe
"C:\Users\Admin\AppData\Local\Temp\t7Beia0TdGFsj4p.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:336
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\oZwOdqE" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD817.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1780
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
  "{path}"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1596
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "WAN Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmpDCE7.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:1904

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1596-144-0x0000000000400000-0x0000000000438000-memory.dmp

Download

memory/1596-146-0x0000000000400000-0x0000000000438000-memory.dmp

Download

memory/1596-147-0x0000000000400000-0x0000000000438000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads