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

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

Processes:

ILPEA_MRC2021751433030XMY,pdf.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\Control Panel\International\Geo\Nation	ILPEA_MRC2021751433030XMY,pdf.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

ILPEA_MRC2021751433030XMY,pdf.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WPA Manager = "C:\\Program Files (x86)\\WPA Manager\\wpamgr.exe"	ILPEA_MRC2021751433030XMY,pdf.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

ILPEA_MRC2021751433030XMY,pdf.exe

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

Processes:

ILPEA_MRC2021751433030XMY,pdf.exe

description pid process target process

PID 4292 set thread context of 2960 4292 ILPEA_MRC2021751433030XMY,pdf.exe ILPEA_MRC2021751433030XMY,pdf.exe

description	pid	process	target process
PID 4292 set thread context of 2960	4292	ILPEA_MRC2021751433030XMY,pdf.exe	ILPEA_MRC2021751433030XMY,pdf.exe

Drops file in Program Files directory 2 IoCs

Processes:

ILPEA_MRC2021751433030XMY,pdf.exe

description	ioc	process
File created	C:\Program Files (x86)\WPA Manager\wpamgr.exe	ILPEA_MRC2021751433030XMY,pdf.exe
File opened for modification	C:\Program Files (x86)\WPA Manager\wpamgr.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

Processes:

schtasks.exe

pid process

416 schtasks.exe

pid	process
416	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

ILPEA_MRC2021751433030XMY,pdf.exeILPEA_MRC2021751433030XMY,pdf.exe

pid	process
4292	ILPEA_MRC2021751433030XMY,pdf.exe
2960	ILPEA_MRC2021751433030XMY,pdf.exe
2960	ILPEA_MRC2021751433030XMY,pdf.exe
2960	ILPEA_MRC2021751433030XMY,pdf.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

ILPEA_MRC2021751433030XMY,pdf.exe

pid process

2960 ILPEA_MRC2021751433030XMY,pdf.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

ILPEA_MRC2021751433030XMY,pdf.exeILPEA_MRC2021751433030XMY,pdf.exe

description pid process

Token: SeDebugPrivilege 4292 ILPEA_MRC2021751433030XMY,pdf.exe
Token: SeDebugPrivilege 2960 ILPEA_MRC2021751433030XMY,pdf.exe

pid	process
2960	ILPEA_MRC2021751433030XMY,pdf.exe

description	pid	process
Token: SeDebugPrivilege	4292	ILPEA_MRC2021751433030XMY,pdf.exe
Token: SeDebugPrivilege	2960	ILPEA_MRC2021751433030XMY,pdf.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

ILPEA_MRC2021751433030XMY,pdf.exe

description	pid	process	target process
PID 4292 wrote to memory of 416	4292	ILPEA_MRC2021751433030XMY,pdf.exe	schtasks.exe
PID 4292 wrote to memory of 416	4292	ILPEA_MRC2021751433030XMY,pdf.exe	schtasks.exe
PID 4292 wrote to memory of 416	4292	ILPEA_MRC2021751433030XMY,pdf.exe	schtasks.exe
PID 4292 wrote to memory of 2960	4292	ILPEA_MRC2021751433030XMY,pdf.exe	ILPEA_MRC2021751433030XMY,pdf.exe
PID 4292 wrote to memory of 2960	4292	ILPEA_MRC2021751433030XMY,pdf.exe	ILPEA_MRC2021751433030XMY,pdf.exe
PID 4292 wrote to memory of 2960	4292	ILPEA_MRC2021751433030XMY,pdf.exe	ILPEA_MRC2021751433030XMY,pdf.exe
PID 4292 wrote to memory of 2960	4292	ILPEA_MRC2021751433030XMY,pdf.exe	ILPEA_MRC2021751433030XMY,pdf.exe
PID 4292 wrote to memory of 2960	4292	ILPEA_MRC2021751433030XMY,pdf.exe	ILPEA_MRC2021751433030XMY,pdf.exe
PID 4292 wrote to memory of 2960	4292	ILPEA_MRC2021751433030XMY,pdf.exe	ILPEA_MRC2021751433030XMY,pdf.exe
PID 4292 wrote to memory of 2960	4292	ILPEA_MRC2021751433030XMY,pdf.exe	ILPEA_MRC2021751433030XMY,pdf.exe
PID 4292 wrote to memory of 2960	4292	ILPEA_MRC2021751433030XMY,pdf.exe	ILPEA_MRC2021751433030XMY,pdf.exe

C:\Users\Admin\AppData\Local\Temp\ILPEA_MRC2021751433030XMY,pdf.exe
"C:\Users\Admin\AppData\Local\Temp\ILPEA_MRC2021751433030XMY,pdf.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4292

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ozUZdsdZtGvsul" /XML "C:\Users\Admin\AppData\Local\Temp\tmp29F9.tmp"
2⤵
- Scheduled Task/Job: Scheduled Task
PID:416

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:2960

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Query Registry

1

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\ILPEA_MRC2021751433030XMY,pdf.exe.log
Filesize
496B

MD5
cb76b18ebed3a9f05a14aed43d35fba6

SHA1
836a4b4e351846fca08b84149cb734cb59b8c0d6

SHA256
8d0edecf54cbbdf7981c8e41a3ed8621503188a87415f9af0fb8d890b138c349

SHA512
7631141e4a6dda29452ada666326837372cd3d045f773006f63d9eff15d9432ed00029d9108a72c1a3b858377600a2aab2c9ec03764285c8801b6019babcf21c

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp29F9.tmp
Filesize
1KB

MD5
1c85ae42aca3a6723fccc73c7b3d6f28

SHA1
4cff6150f7da825ccc1565b491484ec3a421702e

SHA256
554ea1c6ca013b5ae92fc356bb24568659bee9d2bd1f30e2ea12e661e640fb96

SHA512
0e078a2b0786d4eba5ccf7fb8c6e9cb846878b6ca9b1e866e3aa6fd8d8a57af8bcb61e52e5394a81cd5edb11d62414088a3011d8699e1632c84f87522a362a55

Download Submit
memory/2960-13-0x0000000074EC0000-0x0000000075471000-memory.dmp

Filesize
5.7MB

Download
memory/2960-8-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2960-14-0x0000000074EC0000-0x0000000075471000-memory.dmp

Filesize
5.7MB

Download
memory/2960-11-0x0000000074EC0000-0x0000000075471000-memory.dmp

Filesize
5.7MB

Download
memory/2960-17-0x0000000074EC0000-0x0000000075471000-memory.dmp

Filesize
5.7MB

Download
memory/2960-18-0x0000000074EC0000-0x0000000075471000-memory.dmp

Filesize
5.7MB

Download
memory/2960-19-0x0000000074EC0000-0x0000000075471000-memory.dmp

Filesize
5.7MB

Download
memory/4292-3-0x0000000074EC2000-0x0000000074EC3000-memory.dmp

Filesize
4KB

Download
memory/4292-4-0x0000000074EC0000-0x0000000075471000-memory.dmp

Filesize
5.7MB

Download
memory/4292-2-0x0000000074EC0000-0x0000000075471000-memory.dmp

Filesize
5.7MB

Download
memory/4292-1-0x0000000074EC0000-0x0000000075471000-memory.dmp

Filesize
5.7MB

Download
memory/4292-12-0x0000000074EC0000-0x0000000075471000-memory.dmp

Filesize
5.7MB

Download
memory/4292-0-0x0000000074EC2000-0x0000000074EC3000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads