nanocore | cd78d1b64e4edb7547a10bcd919edafbc9501a6b6bbcfb796946ce03dfeec759

General

Target

Enquiry No ANS700_Pdf___.exe
Size

400KB
MD5

e262e4fd9aacf2df95072d7e2b58c431
SHA1

3e91a40211f8805ea82b4a94ab0656deb3c635b0
SHA256

cd78d1b64e4edb7547a10bcd919edafbc9501a6b6bbcfb796946ce03dfeec759
SHA512

03ac404d0ac7b01f11bf839bf5d285ab811b2882734592b5244243c01bf0538735653da13f0a081ab20d404cf686185b96d61b0c1d8b7a05b57a66aa83073e0b

Score

10^/10

nanocore keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

mimi121.duckdns.org:5090

Mutex

c536defd-5b4b-4102-b411-7da22a027e3a

Attributes

activate_away_mode
true
backup_connection_host
mimi121.duckdns.org
backup_dns_server
mimi121.duckdns.org
buffer_size
65535
build_time
2020-10-26T15:52:24.571973436Z
bypass_user_account_control
false
bypass_user_account_control_data
PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTE2Ij8+DQo8VGFzayB2ZXJzaW9uPSIxLjIiIHhtbG5zPSJodHRwOi8vc2NoZW1hcy5taWNyb3NvZnQuY29tL3dpbmRvd3MvMjAwNC8wMi9taXQvdGFzayI+DQogIDxSZWdpc3RyYXRpb25JbmZvIC8+DQogIDxUcmlnZ2VycyAvPg0KICA8UHJpbmNpcGFscz4NCiAgICA8UHJpbmNpcGFsIGlkPSJBdXRob3IiPg0KICAgICAgPExvZ29uVHlwZT5JbnRlcmFjdGl2ZVRva2VuPC9Mb2dvblR5cGU+DQogICAgICA8UnVuTGV2ZWw+SGlnaGVzdEF2YWlsYWJsZTwvUnVuTGV2ZWw+DQogICAgPC9QcmluY2lwYWw+DQogIDwvUHJpbmNpcGFscz4NCiAgPFNldHRpbmdzPg0KICAgIDxNdWx0aXBsZUluc3RhbmNlc1BvbGljeT5QYXJhbGxlbDwvTXVsdGlwbGVJbnN0YW5jZXNQb2xpY3k+DQogICAgPERpc2FsbG93U3RhcnRJZk9uQmF0dGVyaWVzPmZhbHNlPC9EaXNhbGxvd1N0YXJ0SWZPbkJhdHRlcmllcz4NCiAgICA8U3RvcElmR29pbmdPbkJhdHRlcmllcz5mYWxzZTwvU3RvcElmR29pbmdPbkJhdHRlcmllcz4NCiAgICA8QWxsb3dIYXJkVGVybWluYXRlPnRydWU8L0FsbG93SGFyZFRlcm1pbmF0ZT4NCiAgICA8U3RhcnRXaGVuQXZhaWxhYmxlPmZhbHNlPC9TdGFydFdoZW5BdmFpbGFibGU+DQogICAgPFJ1bk9ubHlJZk5ldHdvcmtBdmFpbGFibGU+ZmFsc2U8L1J1bk9ubHlJZk5ldHdvcmtBdmFpbGFibGU+DQogICAgPElkbGVTZXR0aW5ncz4NCiAgICAgIDxTdG9wT25JZGxlRW5kPmZhbHNlPC9TdG9wT25JZGxlRW5kPg0KICAgICAgPFJlc3RhcnRPbklkbGU+ZmFsc2U8L1Jlc3RhcnRPbklkbGU+DQogICAgPC9JZGxlU2V0dGluZ3M+DQogICAgPEFsbG93U3RhcnRPbkRlbWFuZD50cnVlPC9BbGxvd1N0YXJ0T25EZW1hbmQ+DQogICAgPEVuYWJsZWQ+dHJ1ZTwvRW5hYmxlZD4NCiAgICA8SGlkZGVuPmZhbHNlPC9IaWRkZW4+DQogICAgPFJ1bk9ubHlJZklkbGU+ZmFsc2U8L1J1bk9ubHlJZklkbGU+DQogICAgPFdha2VUb1J1bj5mYWxzZTwvV2FrZVRvUnVuPg0KICAgIDxFeGVjdXRpb25UaW1lTGltaXQ+UFQwUzwvRXhlY3V0aW9uVGltZUxpbWl0Pg0KICAgIDxQcmlvcml0eT40PC9Qcmlvcml0eT4NCiAgPC9TZXR0aW5ncz4NCiAgPEFjdGlvbnMgQ29udGV4dD0iQXV0aG9yIj4NCiAgICA8RXhlYz4NCiAgICAgIDxDb21tYW5kPiIjRVhFQ1VUQUJMRVBBVEgiPC9Db21tYW5kPg0KICAgICAgPEFyZ3VtZW50cz4kKEFyZzApPC9Bcmd1bWVudHM+DQogICAgPC9FeGVjPg0KICA8L0FjdGlvbnM+DQo8L1Rhc2s+
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
5090
default_group
Default
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
c536defd-5b4b-4102-b411-7da22a027e3a
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
mimi121.duckdns.org
primary_dns_server
mimi121.duckdns.org
request_elevation
false
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

T1060

Modify Registry

T1112

Processes:

MSBuild.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WAN Service = "C:\\Program Files (x86)\\WAN Service\\wansv.exe"	MSBuild.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Enquiry No ANS700_Pdf___.exe

description pid process target process

PID 4712 set thread context of 3620 4712 Enquiry No ANS700_Pdf___.exe MSBuild.exe

description	pid	process	target process
PID 4712 set thread context of 3620	4712	Enquiry No ANS700_Pdf___.exe	MSBuild.exe

Drops file in Program Files directory 2 IoCs

Processes:

MSBuild.exe

description	ioc	process
File created	C:\Program Files (x86)\WAN Service\wansv.exe	MSBuild.exe
File opened for modification	C:\Program Files (x86)\WAN Service\wansv.exe	MSBuild.exe

Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exe

pid process

3228 schtasks.exe
4180 schtasks.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

MSBuild.exe

pid process

3620 MSBuild.exe
3620 MSBuild.exe
3620 MSBuild.exe
3620 MSBuild.exe
3620 MSBuild.exe
3620 MSBuild.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

MSBuild.exe

pid process

3620 MSBuild.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

Enquiry No ANS700_Pdf___.exe

pid process

4712 Enquiry No ANS700_Pdf___.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

MSBuild.exe

description pid process

Token: SeDebugPrivilege 3620 MSBuild.exe

pid	process
3228	schtasks.exe
4180	schtasks.exe

pid	process
3620	MSBuild.exe
3620	MSBuild.exe
3620	MSBuild.exe
3620	MSBuild.exe
3620	MSBuild.exe
3620	MSBuild.exe

pid	process
3620	MSBuild.exe

pid	process
4712	Enquiry No ANS700_Pdf___.exe

description	pid	process
Token: SeDebugPrivilege	3620	MSBuild.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

Enquiry No ANS700_Pdf___.exeMSBuild.exe

description	pid	process	target process
PID 4712 wrote to memory of 2124	4712	Enquiry No ANS700_Pdf___.exe	cmd.exe
PID 4712 wrote to memory of 2124	4712	Enquiry No ANS700_Pdf___.exe	cmd.exe
PID 4712 wrote to memory of 2124	4712	Enquiry No ANS700_Pdf___.exe	cmd.exe
PID 4712 wrote to memory of 3620	4712	Enquiry No ANS700_Pdf___.exe	MSBuild.exe
PID 4712 wrote to memory of 3620	4712	Enquiry No ANS700_Pdf___.exe	MSBuild.exe
PID 4712 wrote to memory of 3620	4712	Enquiry No ANS700_Pdf___.exe	MSBuild.exe
PID 4712 wrote to memory of 3620	4712	Enquiry No ANS700_Pdf___.exe	MSBuild.exe
PID 3620 wrote to memory of 4180	3620	MSBuild.exe	schtasks.exe
PID 3620 wrote to memory of 4180	3620	MSBuild.exe	schtasks.exe
PID 3620 wrote to memory of 4180	3620	MSBuild.exe	schtasks.exe
PID 3620 wrote to memory of 3228	3620	MSBuild.exe	schtasks.exe
PID 3620 wrote to memory of 3228	3620	MSBuild.exe	schtasks.exe
PID 3620 wrote to memory of 3228	3620	MSBuild.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\Enquiry No ANS700_Pdf___.exe
"C:\Users\Admin\AppData\Local\Temp\Enquiry No ANS700_Pdf___.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4712

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c cls
2⤵
PID:2124

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Users\Admin\AppData\Local\Temp\Enquiry No ANS700_Pdf___.exe"
2⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3620

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "WAN Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp3955.tmp"
3⤵
- Creates scheduled task(s)
PID:4180

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "WAN Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp39F3.tmp"
3⤵
- Creates scheduled task(s)
PID:3228

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp3955.tmp
MD5
3e2b26ed8b75ae83a269595180e84ef6

SHA1
d30a0335fcce406bca8ba5764288235e6192f608

SHA256
108be30aeb8eb31c185a39a6726f26dacbc4e4124951c61a29ade4b7038c71ea

SHA512
b6981c68fcb886cc8379a068b96931b9d4f5cc5aa9bdc467e36c4168fe6c5273a2a84d8850b12c11703ec03ac6b1f1950d1e669efcb59fc2402ce4bba9dc03d3

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp39F3.tmp
MD5
eb527779d4a920bac8c3c59e8f4b4b4c

SHA1
4c9c48fd4ab89a983c87d810577133dc281160b4

SHA256
97a200adfccc855ed435941fe1453a6add1a66b8390d033279c2f1a6a64c26a2

SHA512
a48c1ca2310a4bceacca90d3b8748fdecc0169738905e0bc62a665ab048c1ae6bb801dc99f0f04d85287993c27bfd0a4e7f59d27a1c233b6662d6ba3ca586da0

Download Submit
memory/2124-2-0x0000000000000000-mapping.dmp

Download
memory/3228-15-0x0000000000000000-mapping.dmp

Download
memory/3620-19-0x00000000062E0000-0x00000000062E3000-memory.dmp

Filesize
12KB

Download
memory/3620-20-0x00000000062F0000-0x00000000062FD000-memory.dmp

Filesize
52KB

Download
memory/3620-11-0x0000000005130000-0x0000000005131000-memory.dmp

Filesize
4KB

Download
memory/3620-12-0x0000000005040000-0x0000000005041000-memory.dmp

Filesize
4KB

Download
memory/3620-32-0x0000000006AF0000-0x0000000006AF1000-memory.dmp

Filesize
4KB

Download
memory/3620-9-0x00000000054F0000-0x00000000054F1000-memory.dmp

Filesize
4KB

Download
memory/3620-6-0x0000000073000000-0x00000000736EE000-memory.dmp

Filesize
6.9MB

Download
memory/3620-4-0x000000000041E792-mapping.dmp

Download
memory/3620-17-0x0000000005350000-0x0000000005355000-memory.dmp

Filesize
20KB

Download
memory/3620-18-0x0000000005360000-0x0000000005379000-memory.dmp

Filesize
100KB

Download
memory/3620-3-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3620-10-0x0000000005090000-0x0000000005091000-memory.dmp

Filesize
4KB

Download
memory/3620-21-0x0000000006300000-0x0000000006315000-memory.dmp

Filesize
84KB

Download
memory/3620-22-0x0000000006850000-0x0000000006856000-memory.dmp

Filesize
24KB

Download
memory/3620-23-0x0000000006860000-0x000000000686C000-memory.dmp

Filesize
48KB

Download
memory/3620-24-0x0000000006870000-0x0000000006877000-memory.dmp

Filesize
28KB

Download
memory/3620-25-0x0000000006880000-0x0000000006886000-memory.dmp

Filesize
24KB

Download
memory/3620-26-0x0000000006890000-0x000000000689D000-memory.dmp

Filesize
52KB

Download
memory/3620-27-0x00000000068A0000-0x00000000068A9000-memory.dmp

Filesize
36KB

Download
memory/3620-28-0x00000000068B0000-0x00000000068BF000-memory.dmp

Filesize
60KB

Download
memory/3620-29-0x00000000068D0000-0x00000000068DA000-memory.dmp

Filesize
40KB

Download
memory/3620-30-0x00000000068E0000-0x0000000006909000-memory.dmp

Filesize
164KB

Download
memory/3620-31-0x0000000006920000-0x000000000692F000-memory.dmp

Filesize
60KB

Download
memory/4180-13-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads