nanocore | 3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470

General

Target

3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe
Size

783KB
MD5

d542141f5e8cff74364315499d0c6b09
SHA1

26e17c0e297439cf92e5328bea860e47e268f2ee
SHA256

3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470
SHA512

3fa524c824b0510d6047225db9dc058b6e9bca0d330d444c987490a0cfb157e49804d915dd055c509051e5f55f31fd89750cef03ece92e7e5c5cd6d184346f6b

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

johnie3m.hopto.org:9497

doc5.duckdns.org:9497

Mutex

ed0ed031-dcf3-465d-8131-5a774c0aef5e

Attributes

activate_away_mode
true
backup_connection_host
doc5.duckdns.org
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-06-15T12:47:21.826742436Z
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
9497
default_group
JOHNIE WALKER
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
ed0ed031-dcf3-465d-8131-5a774c0aef5e
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
johnie3m.hopto.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

Processes:

3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation	3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WPA Monitor = "C:\\Program Files (x86)\\WPA Monitor\\wpamon.exe"	3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe

description	pid	process	target process
PID 3368 set thread context of 4560	3368	3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe	3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe

Drops file in Program Files directory 2 IoCs

Processes:

3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe

description	ioc	process
File created	C:\Program Files (x86)\WPA Monitor\wpamon.exe	3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe
File opened for modification	C:\Program Files (x86)\WPA Monitor\wpamon.exe	3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exeschtasks.exe

pid process

4136 schtasks.exe
1336 schtasks.exe
4220 schtasks.exe

pid	process
4136	schtasks.exe
1336	schtasks.exe
4220	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe

pid	process
3368	3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe
4560	3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe
4560	3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe
4560	3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe

pid process

4560 3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe

pid	process
4560	3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe

description	pid	process
Token: SeDebugPrivilege	3368	3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe
Token: SeDebugPrivilege	4560	3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe

description	pid	process	target process
PID 3368 wrote to memory of 1336	3368	3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe	schtasks.exe
PID 3368 wrote to memory of 1336	3368	3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe	schtasks.exe
PID 3368 wrote to memory of 1336	3368	3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe	schtasks.exe
PID 3368 wrote to memory of 4560	3368	3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe	3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe
PID 3368 wrote to memory of 4560	3368	3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe	3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe
PID 3368 wrote to memory of 4560	3368	3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe	3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe
PID 3368 wrote to memory of 4560	3368	3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe	3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe
PID 3368 wrote to memory of 4560	3368	3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe	3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe
PID 3368 wrote to memory of 4560	3368	3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe	3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe
PID 3368 wrote to memory of 4560	3368	3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe	3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe
PID 3368 wrote to memory of 4560	3368	3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe	3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe
PID 4560 wrote to memory of 4220	4560	3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe	schtasks.exe
PID 4560 wrote to memory of 4220	4560	3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe	schtasks.exe
PID 4560 wrote to memory of 4220	4560	3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe	schtasks.exe
PID 4560 wrote to memory of 4136	4560	3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe	schtasks.exe
PID 4560 wrote to memory of 4136	4560	3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe	schtasks.exe
PID 4560 wrote to memory of 4136	4560	3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe
"C:\Users\Admin\AppData\Local\Temp\3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3368

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\bJndYFgryrJkt" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8B38.tmp"
2⤵
- Creates scheduled task(s)
PID:1336

C:\Users\Admin\AppData\Local\Temp\3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe
"C:\Users\Admin\AppData\Local\Temp\3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe"
2⤵
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4560

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "WPA Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmp9105.tmp"
3⤵
- Creates scheduled task(s)
PID:4220

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "WPA Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp9192.tmp"
3⤵
- Creates scheduled task(s)
PID:4136

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

Query Registry

1

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\3b0c8c8ac8b8f8a63b32aa842e34a31351b0950243854360bd34306d3790a470.exe.log
Filesize
1KB

MD5
17573558c4e714f606f997e5157afaac

SHA1
13e16e9415ceef429aaf124139671ebeca09ed23

SHA256
c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

SHA512
f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp8B38.tmp
Filesize
1KB

MD5
cafb928e646cd547b08aadd2219f4259

SHA1
d25737a1ed83c307ecfb9a309f8d935e020f2947

SHA256
6d7529d42d19b39fe4790b5776b48cc7defc191c7e53da589b588f8bbbdb60f8

SHA512
f1e70b6870fc90d19fe3fe8231c20d883cc58dc0eba6768f61d06392c67c05f48ac2dcd01b2e4b1da3250e5d31ec7dda830809f6d4f0f594603f49f0fce0c047

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp9105.tmp
Filesize
1KB

MD5
9515bccbbcbf88ad17943b532172dd0c

SHA1
1096c156d77794f7726b23c887045b7629f0c5b6

SHA256
0b2ec31fcf10f824a4fe8848f5fff96d23bba68031503f0a7ae460bc691b0826

SHA512
bf3901c9e741d859c376c1c48756ffb24b438b25f5b83092a2f1904a33e66c4239913728046d6f4fc9ee1f27132e4e9279482ab40e91f149909e849dad4d28ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp9192.tmp
Filesize
1KB

MD5
a246b3561d823177f3586e629f144233

SHA1
0f05d12e55a1d2e5e6a4f307c193882fba093315

SHA256
6abae7707b06e52b58f537b335e367cc54b093e899d78f16e94ceaf7ceafca52

SHA512
4246aa9a96331e2c7e36b37fa778e31ecae055c77164e0dc673aa50cdec368f08d356ab06ef1a4540816c474828048ab1bebed7e211a4eb929f2918e1fac9c6d

Download Submit
memory/1336-136-0x0000000000000000-mapping.dmp

Download
memory/3368-133-0x00000000076D0000-0x0000000007762000-memory.dmp

Filesize
584KB

Download
memory/3368-135-0x0000000007910000-0x0000000007966000-memory.dmp

Filesize
344KB

Download
memory/3368-134-0x0000000005240000-0x000000000524A000-memory.dmp

Filesize
40KB

Download
memory/3368-130-0x00000000007E0000-0x00000000008AA000-memory.dmp

Filesize
808KB

Download
memory/3368-132-0x0000000007C80000-0x0000000008224000-memory.dmp

Filesize
5.6MB

Download
memory/3368-131-0x0000000007630000-0x00000000076CC000-memory.dmp

Filesize
624KB

Download
memory/4136-143-0x0000000000000000-mapping.dmp

Download
memory/4220-141-0x0000000000000000-mapping.dmp

Download
memory/4560-138-0x0000000000000000-mapping.dmp

Download
memory/4560-139-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads