nanocore | bf9b98d3c7f449c22350739501fd763d47ab3a4e33be82b106ac54b9bd2b7e68

General

Target

ILPEA_MRC2021751433030XMY,pdf.exe
Size

680KB
MD5

3efde66cdd917e83801b722b04ad1c20
SHA1

e26af977f80544526851012f80061acd03ff72a6
SHA256

a0aa261b6eca399214785a831f60f317f7fb5795d33fe2a07e330b7aabfc0318
SHA512

2c0030d7e624668f35dd067f9e2029918d42f3c47f2923290628e330d0a68c4de24535415245936f403aafcc1bdc4a127c4700407a55a741c89db2ea285f5e9f
SSDEEP

12288:3p+aRBZi970Hq83hAkJlk1wA8XyonCo+aUwbjpa1BDCROuTngLsIB:Z9ZhikJKJCx+atpab/WnFW

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

godismyhelperalways.ddns.net:2030

Mutex

08e0afad-4bed-4e7d-8205-2bf2bc84e8fb

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-11-14T17:48:21.782068136Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
true
connect_delay
4000
connection_port
2030
default_group
BLESSINGS
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
08e0afad-4bed-4e7d-8205-2bf2bc84e8fb
mutex_timeout
5000
prevent_system_sleep
true
primary_connection_host
godismyhelperalways.ddns.net
primary_dns_server
8.8.8.8
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
false
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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\WAN Service = "C:\\Program Files (x86)\\WAN Service\\wansvc.exe"	ILPEA_MRC2021751433030XMY,pdf.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	ILPEA_MRC2021751433030XMY,pdf.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1000 set thread context of 2704	1000	ILPEA_MRC2021751433030XMY,pdf.exe	34

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\WAN Service\wansvc.exe	ILPEA_MRC2021751433030XMY,pdf.exe
File opened for modification	C:\Program Files (x86)\WAN Service\wansvc.exe	ILPEA_MRC2021751433030XMY,pdf.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
2832	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1000	ILPEA_MRC2021751433030XMY,pdf.exe
1000	ILPEA_MRC2021751433030XMY,pdf.exe
1000	ILPEA_MRC2021751433030XMY,pdf.exe
2704	ILPEA_MRC2021751433030XMY,pdf.exe
2704	ILPEA_MRC2021751433030XMY,pdf.exe
2704	ILPEA_MRC2021751433030XMY,pdf.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2704	ILPEA_MRC2021751433030XMY,pdf.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1000	ILPEA_MRC2021751433030XMY,pdf.exe
Token: SeDebugPrivilege	2704	ILPEA_MRC2021751433030XMY,pdf.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1000 wrote to memory of 2832	1000	ILPEA_MRC2021751433030XMY,pdf.exe	31
PID 1000 wrote to memory of 2832	1000	ILPEA_MRC2021751433030XMY,pdf.exe	31
PID 1000 wrote to memory of 2832	1000	ILPEA_MRC2021751433030XMY,pdf.exe	31
PID 1000 wrote to memory of 2832	1000	ILPEA_MRC2021751433030XMY,pdf.exe	31
PID 1000 wrote to memory of 2724	1000	ILPEA_MRC2021751433030XMY,pdf.exe	33
PID 1000 wrote to memory of 2724	1000	ILPEA_MRC2021751433030XMY,pdf.exe	33
PID 1000 wrote to memory of 2724	1000	ILPEA_MRC2021751433030XMY,pdf.exe	33
PID 1000 wrote to memory of 2724	1000	ILPEA_MRC2021751433030XMY,pdf.exe	33
PID 1000 wrote to memory of 2704	1000	ILPEA_MRC2021751433030XMY,pdf.exe	34
PID 1000 wrote to memory of 2704	1000	ILPEA_MRC2021751433030XMY,pdf.exe	34
PID 1000 wrote to memory of 2704	1000	ILPEA_MRC2021751433030XMY,pdf.exe	34
PID 1000 wrote to memory of 2704	1000	ILPEA_MRC2021751433030XMY,pdf.exe	34
PID 1000 wrote to memory of 2704	1000	ILPEA_MRC2021751433030XMY,pdf.exe	34
PID 1000 wrote to memory of 2704	1000	ILPEA_MRC2021751433030XMY,pdf.exe	34
PID 1000 wrote to memory of 2704	1000	ILPEA_MRC2021751433030XMY,pdf.exe	34
PID 1000 wrote to memory of 2704	1000	ILPEA_MRC2021751433030XMY,pdf.exe	34
PID 1000 wrote to memory of 2704	1000	ILPEA_MRC2021751433030XMY,pdf.exe	34

C:\Users\Admin\AppData\Local\Temp\ILPEA_MRC2021751433030XMY,pdf.exe
"C:\Users\Admin\AppData\Local\Temp\ILPEA_MRC2021751433030XMY,pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1000
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ozUZdsdZtGvsul" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6BFC.tmp"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2832
- C:\Users\Admin\AppData\Local\Temp\ILPEA_MRC2021751433030XMY,pdf.exe
  "{path}"
  2⤵
  PID:2724
- C:\Users\Admin\AppData\Local\Temp\ILPEA_MRC2021751433030XMY,pdf.exe
  "{path}"
  2⤵
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - Drops file in Program Files directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:2704

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp6BFC.tmp

Filesize
1KB

MD5
328293e3ad1771a6cb66b034c9ffc89c

SHA1
66ea6ebf610ea2c13f684e44cb9ece9a2147a158

SHA256
c3db6ff3a8e5cb5d998381dee416307e07b91316966abcf680edf7245245b030

SHA512
e2be7feaabb80e7f2ce5b01e4181f0270416ac064bd402f033c0ff291ecbfcff0faf8caa4e75ff72744feab3f4607221e8c70f4091e1cd453671958892d10cce

Download Submit
memory/1000-0-0x0000000074FE1000-0x0000000074FE2000-memory.dmp

Filesize
4KB

Download
memory/1000-1-0x0000000074FE0000-0x000000007558B000-memory.dmp

Filesize
5.7MB

Download
memory/1000-2-0x0000000074FE0000-0x000000007558B000-memory.dmp

Filesize
5.7MB

Download
memory/1000-3-0x0000000074FE0000-0x000000007558B000-memory.dmp

Filesize
5.7MB

Download
memory/1000-4-0x0000000074FE0000-0x000000007558B000-memory.dmp

Filesize
5.7MB

Download
memory/1000-21-0x0000000074FE0000-0x000000007558B000-memory.dmp

Filesize
5.7MB

Download
memory/2704-9-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2704-8-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2704-12-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2704-20-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2704-18-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2704-16-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2704-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2704-10-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2704-23-0x0000000074FE0000-0x000000007558B000-memory.dmp

Filesize
5.7MB

Download
memory/2704-22-0x0000000074FE0000-0x000000007558B000-memory.dmp

Filesize
5.7MB

Download
memory/2704-26-0x0000000074FE0000-0x000000007558B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads