nanocore | 6bdbf82319b9c14df59cbbe82c0b79db631510cef4f2e6a6735eeb0e329fd943

General

Target
RFQ scan documentsPdf.exe
Size 797KB
Sample220608-rezjeaeda7
SHA256 6bdbf82319b9c14df59cbbe82c0b79db631510cef4f2e6a6735eeb0e329fd943
MD5 a4fdc38d1e0a846d37eb4b2f25f284a6
SHA1 d483cfea0ecf0755c9bf4ca1209a7fbf949b7e5f
SHA512 51a9d3b7d699edd0ea0ee38ab8faff271362b7ae4edeab786e1bc46cad90b5926247217c4676b936986c829c4442c9a671928dc29f7b83fdd3e0b8b396f807a1
MD5 SHA1 SHA512

Score

10^/10

nanocore evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

oluwaboysharp.ddns.net:7090

Mutex

47a937be-2fda-4e56-9a68-b624fb5df019

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2022-03-19T02:33:46.967182436Z
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
7090
default_group
SMALL SHIT
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
47a937be-2fda-4e56-9a68-b624fb5df019
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
oluwaboysharp.ddns.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

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	RFQ scan documentsPdf.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2856 set thread context of 1996	2856	RFQ scan documentsPdf.exe	82

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
5012	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1996	RFQ scan documentsPdf.exe
1996	RFQ scan documentsPdf.exe
1996	RFQ scan documentsPdf.exe
1996	RFQ scan documentsPdf.exe
1996	RFQ scan documentsPdf.exe
1996	RFQ scan documentsPdf.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1996	RFQ scan documentsPdf.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1996	RFQ scan documentsPdf.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2856 wrote to memory of 1996	2856	RFQ scan documentsPdf.exe	82
PID 2856 wrote to memory of 1996	2856	RFQ scan documentsPdf.exe	82
PID 2856 wrote to memory of 1996	2856	RFQ scan documentsPdf.exe	82
PID 2856 wrote to memory of 1996	2856	RFQ scan documentsPdf.exe	82
PID 2856 wrote to memory of 1996	2856	RFQ scan documentsPdf.exe	82
PID 2856 wrote to memory of 1996	2856	RFQ scan documentsPdf.exe	82
PID 2856 wrote to memory of 1996	2856	RFQ scan documentsPdf.exe	82
PID 2856 wrote to memory of 1996	2856	RFQ scan documentsPdf.exe	82
PID 1996 wrote to memory of 5012	1996	RFQ scan documentsPdf.exe	83
PID 1996 wrote to memory of 5012	1996	RFQ scan documentsPdf.exe	83
PID 1996 wrote to memory of 5012	1996	RFQ scan documentsPdf.exe	83

C:\Users\Admin\AppData\Local\Temp\RFQ scan documentsPdf.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ scan documentsPdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2856
- C:\Users\Admin\AppData\Local\Temp\RFQ scan documentsPdf.exe
  "C:\Users\Admin\AppData\Local\Temp\RFQ scan documentsPdf.exe"
  2⤵
  - Checks whether UAC is enabled
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1996
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "TCP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp3AC2.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:5012

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

tmp3AC2.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp3AC2.tmp
Size 1KB
SHA256 204c1b096808b5fb672196563014e95e247d997a6477dbd74d61288af037d7c7
MD5 8ddda093414ad9a58b1953167e2a2668
SHA1 be38cf644460a7c75f418329307adeb2b6ab6c65
SHA512 2d8da39775ad8a48e3e42862890fbb2202a318a4846577862caac86f2f5934cdcb270d0d5026c08b32b203194d09e88b004b5a440c85b1f3e555eb936638c695
MD5 SHA1 SHA512

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memory/1996-137-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/2856-130-0x0000000000550000-0x000000000061E000-memory.dmp

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memory/2856-131-0x0000000005530000-0x0000000005AD4000-memory.dmp

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memory/2856-132-0x0000000004E70000-0x0000000004F02000-memory.dmp

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memory/2856-133-0x0000000004F40000-0x0000000004F4A000-memory.dmp

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memory/2856-134-0x0000000008820000-0x00000000088BC000-memory.dmp

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memory/2856-135-0x0000000008BC0000-0x0000000008C26000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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