nanocore | 2a6896423cc62446d775c28aedc44306fbf3ee3c4e15eff8ebb4cf148360b4d9

Analysis

max time kernel
220s
max time network
35s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
01-12-2022 07:06

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General

Target

28ad0cd53851b9f95638c150a2a60816.scr.exe
Size

1.1MB
MD5

a5e3eba4539903c8572a0378ad9f3df4
SHA1

5958932fb8735c23c92e913d838cedc8997421c9
SHA256

2a6896423cc62446d775c28aedc44306fbf3ee3c4e15eff8ebb4cf148360b4d9
SHA512

f5887a117eca808fb01830d5e8d07787f3a09275b15f49e5cd45beac27c15400f55919df82a863f04a893eb5b551d1968068ddd90db0efcd41be0fffb324a175
SSDEEP

24576:LAOcZXMum64nDVHPeP7ghtOJer0hspaAcK3UCaIXlUSrNqCe:NZ64nBvc7ghtCgaAcSaIXlhNqCe

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

lowaspeed.ddnsfree.com:48562

411speed.duckdns.org:48562

Mutex

042723c4-0804-4212-bf56-4b1b2669ca7c

Attributes

activate_away_mode
false
backup_connection_host
411speed.duckdns.org
backup_dns_server
buffer_size
65538
build_time
2022-07-02T05:32:06.440076436Z
bypass_user_account_control
false
bypass_user_account_control_data
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
clear_access_control
false
clear_zone_identifier
false
connect_delay
4000
connection_port
48562
default_group
Clowns
enable_debug_mode
true
gc_threshold
1.0485772e+07
keep_alive_timeout
30000
keyboard_logging
false
lan_timeout
2500
max_packet_size
1.0485772e+07
mutex
042723c4-0804-4212-bf56-4b1b2669ca7c
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
lowaspeed.ddnsfree.com
primary_dns_server
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
8009

Signatures

NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
keylogger trojan stealer spyware nanocore
Executes dropped EXE 2 IoCs

Processes:

lbjedtahbv.exeRegSvcs.exe

pid process

340 lbjedtahbv.exe
832 RegSvcs.exe
Loads dropped DLL 2 IoCs

Processes:

WScript.exelbjedtahbv.exe

pid process

1504 WScript.exe
340 lbjedtahbv.exe

pid	process
340	lbjedtahbv.exe
832	RegSvcs.exe

pid	process
1504	WScript.exe
340	lbjedtahbv.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

lbjedtahbv.exeRegSvcs.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	lbjedtahbv.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Chrome = "C:\\Users\\Admin\\AppData\\Local\\Temp\\10_87\\LBJEDT~1.EXE C:\\Users\\Admin\\AppData\\Local\\Temp\\10_87\\EROVGP~1.MP3"	lbjedtahbv.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\AutoUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\10_87\\Update.vbs"	lbjedtahbv.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\DDP Subsystem = "C:\\Program Files (x86)\\DDP Subsystem\\ddpss.exe"	RegSvcs.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

RegSvcs.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA RegSvcs.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

lbjedtahbv.exe

description pid process target process

PID 340 set thread context of 832 340 lbjedtahbv.exe RegSvcs.exe

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

description	pid	process	target process
PID 340 set thread context of 832	340	lbjedtahbv.exe	RegSvcs.exe

Drops file in Program Files directory 2 IoCs

Processes:

RegSvcs.exe

description	ioc	process
File created	C:\Program Files (x86)\DDP Subsystem\ddpss.exe	RegSvcs.exe
File opened for modification	C:\Program Files (x86)\DDP Subsystem\ddpss.exe	RegSvcs.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 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

1776 schtasks.exe
1956 schtasks.exe

pid	process
1776	schtasks.exe
1956	schtasks.exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

28ad0cd53851b9f95638c150a2a60816.scr.exeWScript.exelbjedtahbv.exeRegSvcs.exe

description	pid	process	target process
PID 2020 wrote to memory of 1504	2020	28ad0cd53851b9f95638c150a2a60816.scr.exe	WScript.exe
PID 2020 wrote to memory of 1504	2020	28ad0cd53851b9f95638c150a2a60816.scr.exe	WScript.exe
PID 2020 wrote to memory of 1504	2020	28ad0cd53851b9f95638c150a2a60816.scr.exe	WScript.exe
PID 2020 wrote to memory of 1504	2020	28ad0cd53851b9f95638c150a2a60816.scr.exe	WScript.exe
PID 1504 wrote to memory of 340	1504	WScript.exe	lbjedtahbv.exe
PID 1504 wrote to memory of 340	1504	WScript.exe	lbjedtahbv.exe
PID 1504 wrote to memory of 340	1504	WScript.exe	lbjedtahbv.exe
PID 1504 wrote to memory of 340	1504	WScript.exe	lbjedtahbv.exe
PID 340 wrote to memory of 832	340	lbjedtahbv.exe	RegSvcs.exe
PID 340 wrote to memory of 832	340	lbjedtahbv.exe	RegSvcs.exe
PID 340 wrote to memory of 832	340	lbjedtahbv.exe	RegSvcs.exe
PID 340 wrote to memory of 832	340	lbjedtahbv.exe	RegSvcs.exe
PID 340 wrote to memory of 832	340	lbjedtahbv.exe	RegSvcs.exe
PID 340 wrote to memory of 832	340	lbjedtahbv.exe	RegSvcs.exe
PID 340 wrote to memory of 832	340	lbjedtahbv.exe	RegSvcs.exe
PID 340 wrote to memory of 832	340	lbjedtahbv.exe	RegSvcs.exe
PID 340 wrote to memory of 832	340	lbjedtahbv.exe	RegSvcs.exe
PID 832 wrote to memory of 1776	832	RegSvcs.exe	schtasks.exe
PID 832 wrote to memory of 1776	832	RegSvcs.exe	schtasks.exe
PID 832 wrote to memory of 1776	832	RegSvcs.exe	schtasks.exe
PID 832 wrote to memory of 1776	832	RegSvcs.exe	schtasks.exe
PID 832 wrote to memory of 1956	832	RegSvcs.exe	schtasks.exe
PID 832 wrote to memory of 1956	832	RegSvcs.exe	schtasks.exe
PID 832 wrote to memory of 1956	832	RegSvcs.exe	schtasks.exe
PID 832 wrote to memory of 1956	832	RegSvcs.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\28ad0cd53851b9f95638c150a2a60816.scr.exe
"C:\Users\Admin\AppData\Local\Temp\28ad0cd53851b9f95638c150a2a60816.scr.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2020

C:\Windows\SysWOW64\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\temp\10_87\poustmi.vbe"
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1504

C:\Users\Admin\AppData\Local\Temp\10_87\lbjedtahbv.exe
"C:\Users\Admin\AppData\Local\Temp\10_87\lbjedtahbv.exe" erovgptdv.mp3
3⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:340

C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe
"C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe"
4⤵
- Executes dropped EXE
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:832

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DDP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp5F6F.tmp"
5⤵
- Creates scheduled task(s)
PID:1776

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DDP Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp8D82.tmp"
5⤵
- Creates scheduled task(s)
PID:1956

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\10_87\erovgptdv.mp3
Filesize
91.8MB

MD5
c43678e9746e9ac9c92a3a4ff59e65af

SHA1
a790f62c1074b2de6b5617f404f05e2c00e3d355

SHA256
d8f10bfc38580231755a86ccd651512b990d5aadc0248977a6e2153e26bb8025

SHA512
6102a2905ade1123982bacd6d560826d710f18d2d54d6adc90ecbdf7c6717db093b0787728f74aea9fbc10851a1b5d61dc3138dbbd78cfa02efdf6b9c9e2595d

Download Submit
C:\Users\Admin\AppData\Local\Temp\10_87\lbjedtahbv.exe
Filesize
942KB

MD5
e8273675c4c1675943e9bdcf90ab97af

SHA1
e356c5f9be58ab311997ec9780c46032886c669a

SHA256
9fc7375923bd996c3faf56495f07ab665d0e07cd311874b0c841959f99792907

SHA512
e5decbde7e62a4529df46f7e37bfb7d1eea69f94da0a5faf028859fdddf900d5427bfdf85788b4ac1e1698ddbd3df1414a9f0f838994b86274560fee7c9aa4f0

Download Submit
C:\Users\Admin\AppData\Local\Temp\10_87\lbjedtahbv.exe
Filesize
942KB

MD5
e8273675c4c1675943e9bdcf90ab97af

SHA1
e356c5f9be58ab311997ec9780c46032886c669a

SHA256
9fc7375923bd996c3faf56495f07ab665d0e07cd311874b0c841959f99792907

SHA512
e5decbde7e62a4529df46f7e37bfb7d1eea69f94da0a5faf028859fdddf900d5427bfdf85788b4ac1e1698ddbd3df1414a9f0f838994b86274560fee7c9aa4f0

Download Submit
C:\Users\Admin\AppData\Local\Temp\10_87\tnboas.xke
Filesize
418KB

MD5
4df3ef316de715e1f82556250827dc9c

SHA1
abc6e1779f7024c4ebcaa88c82488a2e30d382b1

SHA256
9c03de5ead6a9cff7e1994f76dd81bce49a8fd6f6895f6a6116609d947d667a5

SHA512
2ab6245fd7ecc303d5d29d4892dda5d6119d0058f62b3dea420fe255bab412c0665d3e3896661c28e1fd5e9e9e551f92b9deb576a8ca5dd64cbfef79aea538f2

Download Submit
C:\Users\Admin\AppData\Local\Temp\10_87\unxbvqtr.msc
Filesize
50KB

MD5
a45453fef6a35f6e243087732ef43760

SHA1
750e71f006d259b08554271dd45a8994616d355a

SHA256
ec8731a8962951860f833bfd7f80d338b091181bb97f471213207c40af4e3df8

SHA512
e451446534b0dc43013b875ded59c61f727d6156882fcef4ac7ec397d62e7ec016be9005ad2b50abb9c14249bedb0a8e18e68b82639748d5417d75117a6e3a42

Download Submit
C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe
Filesize
44KB

MD5
0e06054beb13192588e745ee63a84173

SHA1
30b7d4d1277bafd04a83779fd566a1f834a8d113

SHA256
c5d6d56ded55fbd6c150ee3a0eb2e5671cae83106be2be4d70ce50aa50bab768

SHA512
251a112f3f037e62ff67a467389e47a56afb344bc942b17efa9bd2970494718b26bbee9adc3ac35f93ee4d2114aa426b6d0ea4bafad294b6c118a15f1977c215

Download Submit
C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe
Filesize
44KB

MD5
0e06054beb13192588e745ee63a84173

SHA1
30b7d4d1277bafd04a83779fd566a1f834a8d113

SHA256
c5d6d56ded55fbd6c150ee3a0eb2e5671cae83106be2be4d70ce50aa50bab768

SHA512
251a112f3f037e62ff67a467389e47a56afb344bc942b17efa9bd2970494718b26bbee9adc3ac35f93ee4d2114aa426b6d0ea4bafad294b6c118a15f1977c215

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp5F6F.tmp
Filesize
1KB

MD5
95aceabc58acad5d73372b0966ee1b35

SHA1
2293b7ad4793cf574b1a5220e85f329b5601040a

SHA256
8d9642e1c3cd1e0b5d1763de2fb5e605ba593e5a918b93eec15acbc5dcc48fd4

SHA512
00760dfc9d8caf357f0cee5336e5448a4cca18e32cc63e1a69c16e34fe00ea29acd5b2cf278e86c6f9c3e66a1b176d27ed927361848212e6bf1fade7d3d06e74

Download Submit
C:\Users\Admin\AppData\Local\temp\10_87\poustmi.vbe
Filesize
69KB

MD5
67c05f68180e2eb78461c027eb98149e

SHA1
f8976cac3449ab950c48f9181a8fa9a23ddda531

SHA256
5776001bf988fd4c14d9ae098eef0a9227e7033e8d0fbc70dea5573da6fd50a4

SHA512
84c9e8a83365097846baf46fb8a8869690ba817017940106bfe7cf3703fbb7bb0927137a80c55115f31c4bd2123fac08941f0fb5456e60fdd23850c5238cedae

Download Submit
\Users\Admin\AppData\Local\Temp\10_87\lbjedtahbv.exe
Filesize
942KB

MD5
e8273675c4c1675943e9bdcf90ab97af

SHA1
e356c5f9be58ab311997ec9780c46032886c669a

SHA256
9fc7375923bd996c3faf56495f07ab665d0e07cd311874b0c841959f99792907

SHA512
e5decbde7e62a4529df46f7e37bfb7d1eea69f94da0a5faf028859fdddf900d5427bfdf85788b4ac1e1698ddbd3df1414a9f0f838994b86274560fee7c9aa4f0

Download Submit
\Users\Admin\AppData\Local\Temp\RegSvcs.exe
Filesize
44KB

MD5
0e06054beb13192588e745ee63a84173

SHA1
30b7d4d1277bafd04a83779fd566a1f834a8d113

SHA256
c5d6d56ded55fbd6c150ee3a0eb2e5671cae83106be2be4d70ce50aa50bab768

SHA512
251a112f3f037e62ff67a467389e47a56afb344bc942b17efa9bd2970494718b26bbee9adc3ac35f93ee4d2114aa426b6d0ea4bafad294b6c118a15f1977c215

Download Submit
memory/340-60-0x0000000000000000-mapping.dmp

Download
memory/832-67-0x00000000003E0000-0x0000000000ADB000-memory.dmp

Filesize
7.0MB

Download
memory/832-69-0x00000000003E0000-0x0000000000ADB000-memory.dmp

Filesize
7.0MB

Download
memory/832-70-0x00000000003FE792-mapping.dmp

Download
memory/832-73-0x00000000003E0000-0x0000000000ADB000-memory.dmp

Filesize
7.0MB

Download
memory/832-75-0x00000000003E0000-0x0000000000ADB000-memory.dmp

Filesize
7.0MB

Download
memory/832-77-0x00000000003E0000-0x000000000041A000-memory.dmp

Filesize
232KB

Download
memory/1504-55-0x0000000000000000-mapping.dmp

Download
memory/1776-79-0x0000000000000000-mapping.dmp

Download
memory/1956-81-0x0000000000000000-mapping.dmp

Download
memory/2020-54-0x00000000763A1000-0x00000000763A3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads