nanocore | 2d6eb54ddb0451fc966ca861fa3720124aa3c4a1d58e4f657611f263c52d1b82

General

Target

PO57891255564GYH11192643-2152021,pdf.exe
Size

809KB
MD5

56b32528de65ce54153c0cb0c64e5511
SHA1

b442bac54e207e44f4da156ef0130e1b621286f3
SHA256

f29b0b35d584de9410f3ffe75e8e4dbc6d90ecbc6f2c4d9382d8faf33e88d80b
SHA512

3542f57da6582a860ef9f56bd114ea21d058737521e979a31f3568da217e99ffe0dc91a3aaef49022ec887889ddc3200942d8e4be6c95def39005ada26006893
SSDEEP

12288:QxcdRothbvp+S1YSDDCSplnjWgtUanpVkG7LR2ym:QycnbvNuYDtnjWokYR2y

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

goddywin.freedynamicdns.net:1512

Mutex

4f663439-b06a-4c44-84f7-bec5b9a6ff3c

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-11-13T16:34:31.448037936Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
true
connect_delay
4000
connection_port
1512
default_group
MMM
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
4f663439-b06a-4c44-84f7-bec5b9a6ff3c
mutex_timeout
5000
prevent_system_sleep
true
primary_connection_host
goddywin.freedynamicdns.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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation	PO57891255564GYH11192643-2152021,pdf.exe

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\DDP Service = "C:\\Program Files (x86)\\DDP Service\\ddpsv.exe"	PO57891255564GYH11192643-2152021,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	PO57891255564GYH11192643-2152021,pdf.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3944 set thread context of 4124	3944	PO57891255564GYH11192643-2152021,pdf.exe	97

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\DDP Service\ddpsv.exe	PO57891255564GYH11192643-2152021,pdf.exe
File opened for modification	C:\Program Files (x86)\DDP Service\ddpsv.exe	PO57891255564GYH11192643-2152021,pdf.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PO57891255564GYH11192643-2152021,pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PO57891255564GYH11192643-2152021,pdf.exe

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
4996	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3944	PO57891255564GYH11192643-2152021,pdf.exe
4124	PO57891255564GYH11192643-2152021,pdf.exe
4124	PO57891255564GYH11192643-2152021,pdf.exe
4124	PO57891255564GYH11192643-2152021,pdf.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4124	PO57891255564GYH11192643-2152021,pdf.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3944	PO57891255564GYH11192643-2152021,pdf.exe
Token: SeDebugPrivilege	4124	PO57891255564GYH11192643-2152021,pdf.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3944 wrote to memory of 4996	3944	PO57891255564GYH11192643-2152021,pdf.exe	95
PID 3944 wrote to memory of 4996	3944	PO57891255564GYH11192643-2152021,pdf.exe	95
PID 3944 wrote to memory of 4996	3944	PO57891255564GYH11192643-2152021,pdf.exe	95
PID 3944 wrote to memory of 4124	3944	PO57891255564GYH11192643-2152021,pdf.exe	97
PID 3944 wrote to memory of 4124	3944	PO57891255564GYH11192643-2152021,pdf.exe	97
PID 3944 wrote to memory of 4124	3944	PO57891255564GYH11192643-2152021,pdf.exe	97
PID 3944 wrote to memory of 4124	3944	PO57891255564GYH11192643-2152021,pdf.exe	97
PID 3944 wrote to memory of 4124	3944	PO57891255564GYH11192643-2152021,pdf.exe	97
PID 3944 wrote to memory of 4124	3944	PO57891255564GYH11192643-2152021,pdf.exe	97
PID 3944 wrote to memory of 4124	3944	PO57891255564GYH11192643-2152021,pdf.exe	97
PID 3944 wrote to memory of 4124	3944	PO57891255564GYH11192643-2152021,pdf.exe	97

C:\Users\Admin\AppData\Local\Temp\PO57891255564GYH11192643-2152021,pdf.exe
"C:\Users\Admin\AppData\Local\Temp\PO57891255564GYH11192643-2152021,pdf.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3944
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AjXgRNTDtGS" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1393.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4996
- C:\Users\Admin\AppData\Local\Temp\PO57891255564GYH11192643-2152021,pdf.exe
  "{path}"
  2⤵
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:4124

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

Query Registry

1

T1012

System Information Discovery

3

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PO57891255564GYH11192643-2152021,pdf.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp1393.tmp

Filesize
1KB

MD5
c99c36ed5fd72b41e8bcb07ea1cc96b8

SHA1
428df60c4b9abe437974c9de02930e97120c4d7a

SHA256
b9ec393e48ed6bb165153a02d78cd627eec0dd84752b057cea56cc0fda2ec1c3

SHA512
aafe10dea1be089f7745dcc451e2189f85ffcd49de691bd26acf1e6588aaf8036176cad5846fa706d254f049df55ca5cb911e2298aa8382ced3919ed97f8631d

Download Submit
memory/3944-10-0x00000000061D0000-0x0000000006260000-memory.dmp

Filesize
576KB

Download
memory/3944-2-0x0000000005130000-0x00000000056D4000-memory.dmp

Filesize
5.6MB

Download
memory/3944-4-0x0000000074E60000-0x0000000075610000-memory.dmp

Filesize
7.7MB

Download
memory/3944-5-0x0000000004BF0000-0x0000000004BFA000-memory.dmp

Filesize
40KB

Download
memory/3944-6-0x0000000005EE0000-0x0000000005F7C000-memory.dmp

Filesize
624KB

Download
memory/3944-7-0x0000000004F70000-0x0000000004F78000-memory.dmp

Filesize
32KB

Download
memory/3944-8-0x0000000074E6E000-0x0000000074E6F000-memory.dmp

Filesize
4KB

Download
memory/3944-9-0x0000000074E60000-0x0000000075610000-memory.dmp

Filesize
7.7MB

Download
memory/3944-0-0x0000000074E6E000-0x0000000074E6F000-memory.dmp

Filesize
4KB

Download
memory/3944-3-0x0000000004C20000-0x0000000004CB2000-memory.dmp

Filesize
584KB

Download
memory/3944-18-0x0000000074E60000-0x0000000075610000-memory.dmp

Filesize
7.7MB

Download
memory/3944-1-0x0000000000260000-0x0000000000330000-memory.dmp

Filesize
832KB

Download
memory/4124-17-0x0000000074E60000-0x0000000075610000-memory.dmp

Filesize
7.7MB

Download
memory/4124-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4124-19-0x0000000074E60000-0x0000000075610000-memory.dmp

Filesize
7.7MB

Download
memory/4124-22-0x0000000005600000-0x000000000560A000-memory.dmp

Filesize
40KB

Download
memory/4124-23-0x0000000005E00000-0x0000000005E1E000-memory.dmp

Filesize
120KB

Download
memory/4124-24-0x0000000006080000-0x000000000608A000-memory.dmp

Filesize
40KB

Download
memory/4124-25-0x0000000074E60000-0x0000000075610000-memory.dmp

Filesize
7.7MB

Download
memory/4124-26-0x0000000074E60000-0x0000000075610000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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