nanocore | d1c305c0f96cd5e726c72fa77af15bc5e4ef1856301de35822f0d94b2aa21697

General

Target

Receipt#502.exe
Size

680KB
MD5

e2e26573196fd444c8845d29e73a6b00
SHA1

8a2fc9e82c11d234e74846451b12c73d69dea955
SHA256

40fe69be55041a8607bf2596d0fa649ab26f6d6bd6973fb955f14f4e8a066b6c
SHA512

02906faffe3bb49e0a936f5d07215ffe8b7cc28b2f65536e17b1b6204aa7966998b4a70bb09bf5a1fdfaa6efef6f729fbeabb1a2e3c540cd1965f73edabc8b78
SSDEEP

12288:lb4JO3lL2iNNOhnc4PrvIpMdd2lBKiIQulBt8LFSERr:lb4JO3lL1XWHv9dd2lEiIQ0P88E

Score

10^/10

nanocore discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

without.duckdns.org:2078

Mutex

17fd7e7e-3990-4c53-9987-94767303fd64

Attributes

activate_away_mode
true
backup_connection_host
without.duckdns.org
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-09-03T20:18:47.158112236Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
2078
default_group
without
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
17fd7e7e-3990-4c53-9987-94767303fd64
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
without.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
Nanocore family
nanocore

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2368 set thread context of 2980	2368	Receipt#502.exe	33

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	Receipt#502.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.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
2808	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2980	RegSvcs.exe
2980	RegSvcs.exe
2980	RegSvcs.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2980	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2980	RegSvcs.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2368 wrote to memory of 2808	2368	Receipt#502.exe	31
PID 2368 wrote to memory of 2808	2368	Receipt#502.exe	31
PID 2368 wrote to memory of 2808	2368	Receipt#502.exe	31
PID 2368 wrote to memory of 2808	2368	Receipt#502.exe	31
PID 2368 wrote to memory of 2980	2368	Receipt#502.exe	33
PID 2368 wrote to memory of 2980	2368	Receipt#502.exe	33
PID 2368 wrote to memory of 2980	2368	Receipt#502.exe	33
PID 2368 wrote to memory of 2980	2368	Receipt#502.exe	33
PID 2368 wrote to memory of 2980	2368	Receipt#502.exe	33
PID 2368 wrote to memory of 2980	2368	Receipt#502.exe	33
PID 2368 wrote to memory of 2980	2368	Receipt#502.exe	33
PID 2368 wrote to memory of 2980	2368	Receipt#502.exe	33
PID 2368 wrote to memory of 2980	2368	Receipt#502.exe	33
PID 2368 wrote to memory of 2980	2368	Receipt#502.exe	33
PID 2368 wrote to memory of 2980	2368	Receipt#502.exe	33
PID 2368 wrote to memory of 2980	2368	Receipt#502.exe	33

C:\Users\Admin\AppData\Local\Temp\Receipt#502.exe
"C:\Users\Admin\AppData\Local\Temp\Receipt#502.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2368
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NeKPJNb" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9405.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2808
- 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
  PID:2980

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

System Information Discovery

1

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\tmp9405.tmp

Filesize
1KB

MD5
412d7bfbca9f9d9fc07d4699f3aec988

SHA1
0e55bd31348aaae5de77a0239b70a409f1ad069d

SHA256
e08d5ab55331bf5859bd99861f1ad90957b9a2d55d098c7feb292dbf9df13377

SHA512
3626cdf3aa2e7e3ff2b30ff968a329039ea9c25face985b7f5f37abfc17ad9fe8ee427b830df5e498a1121af8c063db5b078dc32da6e260d701f0422e6cc68f8

Download Submit
memory/2368-0-0x0000000074B31000-0x0000000074B32000-memory.dmp

Filesize
4KB

Download
memory/2368-1-0x0000000074B30000-0x00000000750DB000-memory.dmp

Filesize
5.7MB

Download
memory/2368-2-0x0000000074B30000-0x00000000750DB000-memory.dmp

Filesize
5.7MB

Download
memory/2368-3-0x0000000074B30000-0x00000000750DB000-memory.dmp

Filesize
5.7MB

Download
memory/2368-4-0x0000000074B30000-0x00000000750DB000-memory.dmp

Filesize
5.7MB

Download
memory/2368-5-0x0000000074B30000-0x00000000750DB000-memory.dmp

Filesize
5.7MB

Download
memory/2368-20-0x0000000074B30000-0x00000000750DB000-memory.dmp

Filesize
5.7MB

Download
memory/2980-21-0x0000000074B30000-0x00000000750DB000-memory.dmp

Filesize
5.7MB

Download
memory/2980-10-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2980-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2980-12-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2980-17-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2980-19-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2980-11-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2980-15-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2980-9-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2980-22-0x0000000074B30000-0x00000000750DB000-memory.dmp

Filesize
5.7MB

Download
memory/2980-23-0x0000000074B30000-0x00000000750DB000-memory.dmp

Filesize
5.7MB

Download
memory/2980-25-0x0000000074B30000-0x00000000750DB000-memory.dmp

Filesize
5.7MB

Download
memory/2980-26-0x0000000074B30000-0x00000000750DB000-memory.dmp

Filesize
5.7MB

Download
memory/2980-27-0x0000000074B30000-0x00000000750DB000-memory.dmp

Filesize
5.7MB

Download
memory/2980-28-0x0000000074B30000-0x00000000750DB000-memory.dmp

Filesize
5.7MB

Download
memory/2980-29-0x0000000074B30000-0x00000000750DB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads