nanocore | c62aff41b751ac857789b70943a85c46ffb0eb5da91edd123a83fd5451c0fa91

General

Target

receipt.exe
Size

806KB
MD5

0154df7a474ad332fcb884ca55c893f3
SHA1

1b308f6289fa5859540f61b372b8675b36cdde09
SHA256

3f3d3f8e2a99d315de090edb6721000af030ad89306c2aa2fe2d24a0306788ac
SHA512

6b35443ef5811380af349552cadc860f6a9a15eb71f55f3dc3c303ab79d202cb9940730b7a91fa7494926903d876fb222ba21818118abe10910e4fe2c1d80b4f
SSDEEP

12288:4IQlUySNL4jZPXJ3+ItCw5fazH2vZ4I56EDNkU1vC96g282fXzxXSrQfjL:BQlFaL4jNJ+mfN4WxwE5J1Kn2XfjV

Score

10^/10

nanocore discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

helpout.duckdns.org:40005

194.180.224.105:40005

Mutex

1f0358e4-a582-410a-9c87-cd7cc1c30281

Attributes

activate_away_mode
true
backup_connection_host
194.180.224.105
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-04-05T02:53:35.631674136Z
bypass_user_account_control
false
bypass_user_account_control_data
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
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
40005
default_group
helpout
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
1f0358e4-a582-410a-9c87-cd7cc1c30281
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
helpout.duckdns.org
primary_dns_server
8.8.8.8
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
true
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-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation	receipt.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2300 set thread context of 3616	2300	receipt.exe	102

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 4 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	receipt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
3744	schtasks.exe
544	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
2300	receipt.exe
2300	receipt.exe
2300	receipt.exe
2300	receipt.exe
2300	receipt.exe
2300	receipt.exe
2300	receipt.exe
3616	RegSvcs.exe
3616	RegSvcs.exe
3616	RegSvcs.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3616	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2300	receipt.exe
Token: SeDebugPrivilege	3616	RegSvcs.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2300 wrote to memory of 544	2300	receipt.exe	100
PID 2300 wrote to memory of 544	2300	receipt.exe	100
PID 2300 wrote to memory of 544	2300	receipt.exe	100
PID 2300 wrote to memory of 3616	2300	receipt.exe	102
PID 2300 wrote to memory of 3616	2300	receipt.exe	102
PID 2300 wrote to memory of 3616	2300	receipt.exe	102
PID 2300 wrote to memory of 3616	2300	receipt.exe	102
PID 2300 wrote to memory of 3616	2300	receipt.exe	102
PID 2300 wrote to memory of 3616	2300	receipt.exe	102
PID 2300 wrote to memory of 3616	2300	receipt.exe	102
PID 2300 wrote to memory of 3616	2300	receipt.exe	102
PID 3616 wrote to memory of 3744	3616	RegSvcs.exe	103
PID 3616 wrote to memory of 3744	3616	RegSvcs.exe	103
PID 3616 wrote to memory of 3744	3616	RegSvcs.exe	103

C:\Users\Admin\AppData\Local\Temp\receipt.exe
"C:\Users\Admin\AppData\Local\Temp\receipt.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:2300
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\&startupname&" /XML "C:\Users\Admin\AppData\Local\Temp\tmp90D1.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:544
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
  "{path}"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3616
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "DNS Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmp9536.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3744

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\Temp\tmp90D1.tmp

Filesize
1KB

MD5
f3a482492fbbbd7c783737be173597b9

SHA1
d8c18c7720eb3341a985640b6a545161f16b431a

SHA256
3014a941a3d68e9245b8e4405b98d6dceb494205899a90c3ea703195dfdd7e4b

SHA512
5fe8f162ddc0eaadff1b2e4739c1f919048d05fe7d24f5ef3e745bdadfa1a0fa404f63910ca31f0914cbc8005a897995eb84775a7ea779760fde13e58133cb4c

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp9536.tmp

Filesize
1KB

MD5
40b11ef601fb28f9b2e69d36857bf2ec

SHA1
b6454020ad2ceed193f4792b77001d0bd741b370

SHA256
c51e12d18cc664425f6711d8ae2507068884c7057092cfa11884100e1e9d49e1

SHA512
e3c5bcc714cbfca4b8058ddcddf231dcefa69c15881ce3f8123e59ed45cfb5da052b56e1945dcf8dc7f800d62f9a4eecb82bca69a66a1530787aeffeb15e2bd5

Download Submit
memory/2300-1-0x0000000074790000-0x0000000074D41000-memory.dmp

Filesize
5.7MB

Download
memory/2300-2-0x0000000074790000-0x0000000074D41000-memory.dmp

Filesize
5.7MB

Download
memory/2300-3-0x0000000074792000-0x0000000074793000-memory.dmp

Filesize
4KB

Download
memory/2300-4-0x0000000074790000-0x0000000074D41000-memory.dmp

Filesize
5.7MB

Download
memory/2300-0-0x0000000074792000-0x0000000074793000-memory.dmp

Filesize
4KB

Download
memory/2300-10-0x0000000074790000-0x0000000074D41000-memory.dmp

Filesize
5.7MB

Download
memory/3616-8-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/3616-12-0x0000000074790000-0x0000000074D41000-memory.dmp

Filesize
5.7MB

Download
memory/3616-13-0x0000000074790000-0x0000000074D41000-memory.dmp

Filesize
5.7MB

Download
memory/3616-11-0x0000000074790000-0x0000000074D41000-memory.dmp

Filesize
5.7MB

Download
memory/3616-18-0x0000000074790000-0x0000000074D41000-memory.dmp

Filesize
5.7MB

Download
memory/3616-19-0x0000000074790000-0x0000000074D41000-memory.dmp

Filesize
5.7MB

Download
memory/3616-20-0x0000000074790000-0x0000000074D41000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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