nanocore | ff5b50189fc13c9674b69331515a1b30db95477d1e7d1e479aa75f811a227fbe

Reason

Machine shutdown

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 keylogger 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

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	PROOF OF PAYMENT.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1484 set thread context of 1868	1484	PROOF OF PAYMENT.exe	98

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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PROOF OF PAYMENT.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
1164	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1484	PROOF OF PAYMENT.exe
1484	PROOF OF PAYMENT.exe
1484	PROOF OF PAYMENT.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1484	PROOF OF PAYMENT.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1484 wrote to memory of 1164	1484	PROOF OF PAYMENT.exe	95
PID 1484 wrote to memory of 1164	1484	PROOF OF PAYMENT.exe	95
PID 1484 wrote to memory of 1164	1484	PROOF OF PAYMENT.exe	95
PID 1484 wrote to memory of 944	1484	PROOF OF PAYMENT.exe	97
PID 1484 wrote to memory of 944	1484	PROOF OF PAYMENT.exe	97
PID 1484 wrote to memory of 944	1484	PROOF OF PAYMENT.exe	97
PID 1484 wrote to memory of 1868	1484	PROOF OF PAYMENT.exe	98
PID 1484 wrote to memory of 1868	1484	PROOF OF PAYMENT.exe	98
PID 1484 wrote to memory of 1868	1484	PROOF OF PAYMENT.exe	98
PID 1484 wrote to memory of 1868	1484	PROOF OF PAYMENT.exe	98
PID 1484 wrote to memory of 1868	1484	PROOF OF PAYMENT.exe	98
PID 1484 wrote to memory of 1868	1484	PROOF OF PAYMENT.exe	98
PID 1484 wrote to memory of 1868	1484	PROOF OF PAYMENT.exe	98
PID 1484 wrote to memory of 1868	1484	PROOF OF PAYMENT.exe	98

C:\Users\Admin\AppData\Local\Temp\PROOF OF PAYMENT.exe
"C:\Users\Admin\AppData\Local\Temp\PROOF OF PAYMENT.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:1484
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\kgiHOQFWsi" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF31A.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1164
- C:\Users\Admin\AppData\Local\Temp\PROOF OF PAYMENT.exe
  "{path}"
  2⤵
  PID:944
- C:\Users\Admin\AppData\Local\Temp\PROOF OF PAYMENT.exe
  "{path}"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1868

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

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\Microsoft\CLR_v4.0_32\UsageLogs\PROOF OF PAYMENT.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpF31A.tmp

Filesize
1KB

MD5
12ac5602075820a72bb73b0773d0b23d

SHA1
36da9804c86de660197cfcec6fa5e9196bf22d60

SHA256
d08c67035efc730d6da59d42aea24b8a7f7a233cbe6d604a051cf5e4ee674096

SHA512
cb1c4fdd3f902c1f7fc0a9d6d401c42360c0a1cfbca8e4295eda1c277417fde1d4e10869b08129011ff833c7c10becadf3d8904d32dad4637f71d9eb13e8456a

Download Submit
memory/1484-8-0x000000007521E000-0x000000007521F000-memory.dmp

Filesize
4KB

Download
memory/1484-9-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/1484-4-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/1484-5-0x0000000005830000-0x000000000583A000-memory.dmp

Filesize
40KB

Download
memory/1484-6-0x0000000009380000-0x000000000941C000-memory.dmp

Filesize
624KB

Download
memory/1484-7-0x0000000005BD0000-0x0000000005BD8000-memory.dmp

Filesize
32KB

Download
memory/1484-0-0x000000007521E000-0x000000007521F000-memory.dmp

Filesize
4KB

Download
memory/1484-3-0x0000000005790000-0x0000000005822000-memory.dmp

Filesize
584KB

Download
memory/1484-10-0x0000000006CE0000-0x0000000006D74000-memory.dmp

Filesize
592KB

Download
memory/1484-2-0x0000000005CA0000-0x0000000006244000-memory.dmp

Filesize
5.6MB

Download
memory/1484-18-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/1484-1-0x0000000000D00000-0x0000000000DC6000-memory.dmp

Filesize
792KB

Download
memory/1868-17-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/1868-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download

Analysis

Sharing

Errors

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads