nanocore | ff5b50189fc13c9674b69331515a1b30db95477d1e7d1e479aa75f811a227fbe

General

Target

PROOF OF PAYMENT.exe
Size

769KB
MD5

74b1f9ccfc3a8cd599c6565187306657
SHA1

447362e6ac5562132324147636b2c5f13ed7e87e
SHA256

8c6515ea1d1dc1263f76e273d06eee09ce298ddaefa435b84bb6e5bc9b578da1
SHA512

c88740b94abe0fc862560525566b6c8482cc04c59f43c85b5ee8220db546eeb77990cea5a792aa0928341152371a1b84e27df7abb6bdedad5982937cb0128821
SSDEEP

12288:ixfMNAGE3qOh/EcvseSdNZo9KDictCHTC0kX7qj8DBTuLTtuZTUJ:i9GVE3qOh/zxqG9lkCHo7qQtThZTU

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

amechi.duckdns.org:4190

Mutex

2a0a9f29-2b47-4a8a-bba0-73bd2bfb466e

Attributes

activate_away_mode
true
backup_connection_host
amechi.duckdns.org
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-11-27T10:27:04.358793536Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
4190
default_group
EYPPPP
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
2a0a9f29-2b47-4a8a-bba0-73bd2bfb466e
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
amechi.duckdns.org
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\UDP Service = "C:\\Program Files (x86)\\UDP Service\\udpsv.exe"	PROOF OF PAYMENT.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	PROOF OF PAYMENT.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2588 set thread context of 2884	2588	PROOF OF PAYMENT.exe	33

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\UDP Service\udpsv.exe	PROOF OF PAYMENT.exe
File created	C:\Program Files (x86)\UDP Service\udpsv.exe	PROOF OF PAYMENT.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	PROOF OF PAYMENT.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PROOF OF PAYMENT.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
2156	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2588	PROOF OF PAYMENT.exe
2884	PROOF OF PAYMENT.exe
2884	PROOF OF PAYMENT.exe
2884	PROOF OF PAYMENT.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2884	PROOF OF PAYMENT.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2588	PROOF OF PAYMENT.exe
Token: SeDebugPrivilege	2884	PROOF OF PAYMENT.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2588 wrote to memory of 2156	2588	PROOF OF PAYMENT.exe	31
PID 2588 wrote to memory of 2156	2588	PROOF OF PAYMENT.exe	31
PID 2588 wrote to memory of 2156	2588	PROOF OF PAYMENT.exe	31
PID 2588 wrote to memory of 2156	2588	PROOF OF PAYMENT.exe	31
PID 2588 wrote to memory of 2884	2588	PROOF OF PAYMENT.exe	33
PID 2588 wrote to memory of 2884	2588	PROOF OF PAYMENT.exe	33
PID 2588 wrote to memory of 2884	2588	PROOF OF PAYMENT.exe	33
PID 2588 wrote to memory of 2884	2588	PROOF OF PAYMENT.exe	33
PID 2588 wrote to memory of 2884	2588	PROOF OF PAYMENT.exe	33
PID 2588 wrote to memory of 2884	2588	PROOF OF PAYMENT.exe	33
PID 2588 wrote to memory of 2884	2588	PROOF OF PAYMENT.exe	33
PID 2588 wrote to memory of 2884	2588	PROOF OF PAYMENT.exe	33
PID 2588 wrote to memory of 2884	2588	PROOF OF PAYMENT.exe	33

C:\Users\Admin\AppData\Local\Temp\PROOF OF PAYMENT.exe
"C:\Users\Admin\AppData\Local\Temp\PROOF OF PAYMENT.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2588
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\kgiHOQFWsi" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFF8.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2156
- C:\Users\Admin\AppData\Local\Temp\PROOF OF PAYMENT.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:2884

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

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\Temp\tmpFF8.tmp

Filesize
1KB

MD5
46d5548d913002b1a8c2f166cae313df

SHA1
ff102d05f7e975724896b6bdbc42c2586f79793b

SHA256
5e6066f7861f582dfe2430b83b08bda9c08286ffa919e44d175ac4ad064394c3

SHA512
60ec8c22a017eda5a4264438a0d455ece9a0f18a7aa9316f0d4176952788ddb9578f3367967125d07ba7791403b7cbd47488a7ceadccbc4a09d24bcc116bffb1

Download Submit
memory/2588-0-0x0000000074BDE000-0x0000000074BDF000-memory.dmp

Filesize
4KB

Download
memory/2588-1-0x0000000000FB0000-0x0000000001076000-memory.dmp

Filesize
792KB

Download
memory/2588-2-0x0000000074BD0000-0x00000000752BE000-memory.dmp

Filesize
6.9MB

Download
memory/2588-3-0x0000000000500000-0x0000000000508000-memory.dmp

Filesize
32KB

Download
memory/2588-4-0x0000000074BDE000-0x0000000074BDF000-memory.dmp

Filesize
4KB

Download
memory/2588-5-0x0000000074BD0000-0x00000000752BE000-memory.dmp

Filesize
6.9MB

Download
memory/2588-6-0x0000000004DF0000-0x0000000004E84000-memory.dmp

Filesize
592KB

Download
memory/2588-32-0x0000000074BD0000-0x00000000752BE000-memory.dmp

Filesize
6.9MB

Download
memory/2884-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2884-25-0x0000000074BD0000-0x00000000752BE000-memory.dmp

Filesize
6.9MB

Download
memory/2884-16-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2884-20-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2884-12-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2884-24-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2884-22-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2884-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2884-26-0x0000000074BD0000-0x00000000752BE000-memory.dmp

Filesize
6.9MB

Download
memory/2884-29-0x00000000003E0000-0x00000000003EA000-memory.dmp

Filesize
40KB

Download
memory/2884-30-0x00000000005B0000-0x00000000005CE000-memory.dmp

Filesize
120KB

Download
memory/2884-31-0x00000000003F0000-0x00000000003FA000-memory.dmp

Filesize
40KB

Download
memory/2884-10-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2884-33-0x0000000074BD0000-0x00000000752BE000-memory.dmp

Filesize
6.9MB

Download
memory/2884-34-0x0000000074BD0000-0x00000000752BE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads