nanocore | cfa12c6334900de0f6c39f5db7d49ab9b5ac343ac7dc54ae1428e85702157b63

General

Target

Quotation Specification.pdf.scr
Size

527KB
MD5

cd86e429ead3cceb1f87d7c3c4d868cf
SHA1

d75887eae42e29de244e49183a35ee02229a9898
SHA256

cfa12c6334900de0f6c39f5db7d49ab9b5ac343ac7dc54ae1428e85702157b63
SHA512

edc85311f55e4a4dfdba5ba34d393d42205ea8961491bb313c3d97ace8344c0a844bf880aa37908ee3bd2263c96da8733b10df24a1d9e72118ed9cfe24791b0c

Score

10^/10

nanocore keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

harold.accesscam.org:6051

harold.2waky.com:6051

Mutex

ed2d5ce0-ca4d-4264-be01-91a018d59d09

Attributes

activate_away_mode
true
backup_connection_host
harold.2waky.com
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2019-07-13T12:05:45.695760236Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
6051
default_group
INV TO BID
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
ed2d5ce0-ca4d-4264-be01-91a018d59d09
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
harold.accesscam.org
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

Processes:

Quotation Specification.pdf.scr

description pid process target process

PID 2716 set thread context of 3620 2716 Quotation Specification.pdf.scr RegSvcs.exe
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

Processes:

schtasks.exe

pid process

3232 schtasks.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

RegSvcs.exe

pid process

3620 RegSvcs.exe
3620 RegSvcs.exe
3620 RegSvcs.exe
3620 RegSvcs.exe
3620 RegSvcs.exe
3620 RegSvcs.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RegSvcs.exe

pid process

3620 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegSvcs.exe

description pid process

Token: SeDebugPrivilege 3620 RegSvcs.exe

description	pid	process	target process
PID 2716 set thread context of 3620	2716	Quotation Specification.pdf.scr	RegSvcs.exe

pid	process
3232	schtasks.exe

pid	process
3620	RegSvcs.exe
3620	RegSvcs.exe
3620	RegSvcs.exe
3620	RegSvcs.exe
3620	RegSvcs.exe
3620	RegSvcs.exe

pid	process
3620	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	3620	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

Quotation Specification.pdf.scr

description	pid	process	target process
PID 2716 wrote to memory of 3232	2716	Quotation Specification.pdf.scr	schtasks.exe
PID 2716 wrote to memory of 3232	2716	Quotation Specification.pdf.scr	schtasks.exe
PID 2716 wrote to memory of 3232	2716	Quotation Specification.pdf.scr	schtasks.exe
PID 2716 wrote to memory of 3620	2716	Quotation Specification.pdf.scr	RegSvcs.exe
PID 2716 wrote to memory of 3620	2716	Quotation Specification.pdf.scr	RegSvcs.exe
PID 2716 wrote to memory of 3620	2716	Quotation Specification.pdf.scr	RegSvcs.exe
PID 2716 wrote to memory of 3620	2716	Quotation Specification.pdf.scr	RegSvcs.exe
PID 2716 wrote to memory of 3620	2716	Quotation Specification.pdf.scr	RegSvcs.exe
PID 2716 wrote to memory of 3620	2716	Quotation Specification.pdf.scr	RegSvcs.exe
PID 2716 wrote to memory of 3620	2716	Quotation Specification.pdf.scr	RegSvcs.exe
PID 2716 wrote to memory of 3620	2716	Quotation Specification.pdf.scr	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\Quotation Specification.pdf.scr
"C:\Users\Admin\AppData\Local\Temp\Quotation Specification.pdf.scr" /S
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2716
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KrczpYbD" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA360.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3232
- 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:3620

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/2716-115-0x0000000001700000-0x0000000001701000-memory.dmp

Filesize
4KB

Download
memory/2716-116-0x0000000001701000-0x0000000001702000-memory.dmp

Filesize
4KB

Download
memory/3232-117-0x0000000000000000-mapping.dmp

Download
memory/3620-118-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3620-119-0x000000000041E792-mapping.dmp

Download
memory/3620-120-0x0000000000F90000-0x0000000000F91000-memory.dmp

Filesize
4KB

Download
memory/3620-121-0x0000000000F91000-0x0000000000F92000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads