nanocore | cc0348d66b14ccee352690d9f4277905eecb50e9dcaabf2b282be94ee919a78c

Analysis

max time kernel
148s
max time network
175s
platform
windows7_x64
resource
win7-en-20210920
submitted
20-10-2021 13:11

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General

Target

BT.2021.908646294.PNG.scr
Size

1.0MB
MD5

2d91c6f7fa8f7dc0bc9f5bee0eb23480
SHA1

9746d8e51e505bc1921cf453e59a98d63a6cbaca
SHA256

1a670f0875ed669e317ea331c549fa93f13c9d077dabc86460f292053ec86d73
SHA512

66268e51aae5d738e048298faf7e08bd14b5928370b820e1da9dde3e58dc666f26084b3e4ef906e707c6256281a4ec358241fa7ebb154bdecd63083c347da80e

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

strongodss.ddns.net:48562

185.19.85.175:48562

Mutex

ba2baad0-dd3f-4844-a1e3-4d042f9ae8b6

Attributes

activate_away_mode
false
backup_connection_host
185.19.85.175
backup_dns_server
buffer_size
65538
build_time
2021-04-20T00:12:13.961451136Z
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
HOBBIT
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
ba2baad0-dd3f-4844-a1e3-4d042f9ae8b6
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
strongodss.ddns.net
primary_dns_server
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
false
set_critical_process
false
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:

cajqqcgfh.pifRegSvcs.exe

pid process

584 cajqqcgfh.pif
1472 RegSvcs.exe
Loads dropped DLL 5 IoCs

Processes:

BT.2021.908646294.PNG.scrcajqqcgfh.pif

pid process

2040 BT.2021.908646294.PNG.scr
2040 BT.2021.908646294.PNG.scr
2040 BT.2021.908646294.PNG.scr
2040 BT.2021.908646294.PNG.scr
584 cajqqcgfh.pif

pid	process
584	cajqqcgfh.pif
1472	RegSvcs.exe

pid	process
2040	BT.2021.908646294.PNG.scr
2040	BT.2021.908646294.PNG.scr
2040	BT.2021.908646294.PNG.scr
2040	BT.2021.908646294.PNG.scr
584	cajqqcgfh.pif

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

RegSvcs.execajqqcgfh.pif

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\UDP Subsystem = "C:\\Program Files (x86)\\UDP Subsystem\\udpss.exe"	RegSvcs.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	cajqqcgfh.pif
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Chrome = "C:\\Users\\Admin\\AppData\\Local\\Temp\\58329676\\CAJQQC~1.PIF C:\\Users\\Admin\\AppData\\Local\\Temp\\58329676\\mkotxrww.tlj"	cajqqcgfh.pif
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\AutoUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\58329676\\Update.vbs"	cajqqcgfh.pif

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:

cajqqcgfh.pif

description pid process target process

PID 584 set thread context of 1472 584 cajqqcgfh.pif 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 584 set thread context of 1472	584	cajqqcgfh.pif	RegSvcs.exe

Drops file in Program Files directory 2 IoCs

Processes:

RegSvcs.exe

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

1308 schtasks.exe
1096 schtasks.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

RegSvcs.exe

pid process

1472 RegSvcs.exe
1472 RegSvcs.exe
1472 RegSvcs.exe
1472 RegSvcs.exe
1472 RegSvcs.exe
1472 RegSvcs.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RegSvcs.exe

pid process

1472 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

RegSvcs.exe

description pid process

Token: SeDebugPrivilege 1472 RegSvcs.exe
Token: SeDebugPrivilege 1472 RegSvcs.exe

pid	process
1308	schtasks.exe
1096	schtasks.exe

pid	process
1472	RegSvcs.exe
1472	RegSvcs.exe
1472	RegSvcs.exe
1472	RegSvcs.exe
1472	RegSvcs.exe
1472	RegSvcs.exe

pid	process
1472	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	1472	RegSvcs.exe
Token: SeDebugPrivilege	1472	RegSvcs.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

BT.2021.908646294.PNG.scrcajqqcgfh.pifRegSvcs.exe

description	pid	process	target process
PID 2040 wrote to memory of 584	2040	BT.2021.908646294.PNG.scr	cajqqcgfh.pif
PID 2040 wrote to memory of 584	2040	BT.2021.908646294.PNG.scr	cajqqcgfh.pif
PID 2040 wrote to memory of 584	2040	BT.2021.908646294.PNG.scr	cajqqcgfh.pif
PID 2040 wrote to memory of 584	2040	BT.2021.908646294.PNG.scr	cajqqcgfh.pif
PID 584 wrote to memory of 1472	584	cajqqcgfh.pif	RegSvcs.exe
PID 584 wrote to memory of 1472	584	cajqqcgfh.pif	RegSvcs.exe
PID 584 wrote to memory of 1472	584	cajqqcgfh.pif	RegSvcs.exe
PID 584 wrote to memory of 1472	584	cajqqcgfh.pif	RegSvcs.exe
PID 584 wrote to memory of 1472	584	cajqqcgfh.pif	RegSvcs.exe
PID 584 wrote to memory of 1472	584	cajqqcgfh.pif	RegSvcs.exe
PID 584 wrote to memory of 1472	584	cajqqcgfh.pif	RegSvcs.exe
PID 584 wrote to memory of 1472	584	cajqqcgfh.pif	RegSvcs.exe
PID 584 wrote to memory of 1472	584	cajqqcgfh.pif	RegSvcs.exe
PID 1472 wrote to memory of 1308	1472	RegSvcs.exe	schtasks.exe
PID 1472 wrote to memory of 1308	1472	RegSvcs.exe	schtasks.exe
PID 1472 wrote to memory of 1308	1472	RegSvcs.exe	schtasks.exe
PID 1472 wrote to memory of 1308	1472	RegSvcs.exe	schtasks.exe
PID 1472 wrote to memory of 1096	1472	RegSvcs.exe	schtasks.exe
PID 1472 wrote to memory of 1096	1472	RegSvcs.exe	schtasks.exe
PID 1472 wrote to memory of 1096	1472	RegSvcs.exe	schtasks.exe
PID 1472 wrote to memory of 1096	1472	RegSvcs.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\BT.2021.908646294.PNG.scr
"C:\Users\Admin\AppData\Local\Temp\BT.2021.908646294.PNG.scr" /S
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2040

C:\Users\Admin\AppData\Local\Temp\58329676\cajqqcgfh.pif
"C:\Users\Admin\AppData\Local\Temp\58329676\cajqqcgfh.pif" mkotxrww.tlj
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:584

C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe
"C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe"
3⤵
- Executes dropped EXE
- 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:1472

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "UDP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp4C1D.tmp"
4⤵
- Creates scheduled task(s)
PID:1308

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "UDP Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp4F1B.tmp"
4⤵
- Creates scheduled task(s)
PID:1096

Network

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\58329676\cajqqcgfh.pif
MD5
1d7071dd5cda216508b235c0e2318b05

SHA1
0b972fbc1ea8a47204b2a187e608744a4e947bc2

SHA256
788edeacd860a1a3bb22b839c1ecf408227e1e14bbe0b1baf55824075161f996

SHA512
65965d2de629024773dddf5f8f37d40a15afc51cbaec48c8cda3b0763e9391e065c5ee6ab81b7f4e53ab1f531ef53bb9dccd9ddd4a1c9423922eebf37e544118

Download Submit
C:\Users\Admin\AppData\Local\Temp\58329676\fklovqe.bjs
MD5
4a997e42dddc473e1d755ac4052be623

SHA1
57549720b8b58363fdab9befb1299b72afa80451

SHA256
af2d7edc3031d56a7b9db156c5fccfe4acc3fce684f61002a1ac856249fbbe5a

SHA512
0541cc3749da7db3d59486e1092519af4a060c35caacacd2f52ea9aff170a73d80297bec692548cfd483494cc603dbb1ac434f368bab423d19e629d8c96296e4

Download Submit
C:\Users\Admin\AppData\Local\Temp\58329676\merrgwm.ppt
MD5
d05568b629c3562fbdb1b3acca450514

SHA1
608a51c7e0426ad9373963d13123ef9bcae4d3b3

SHA256
b509b5b39ca46f0775396ce54ab72678ba44ef9f0261cf2ea6e920279fff31a8

SHA512
91516e6f52e85c47a4ef92fb23a32230e8e66bdb65343b5f600d8cc820e31d475adcab5adbc744acb3456440895eed87caafe40efe78d118e1bfd50e0d6d0073

Download Submit
C:\Users\Admin\AppData\Local\Temp\58329676\mkotxrww.tlj
MD5
4fe04aaa88768160144cd5d80d68c078

SHA1
63bca500ea8d75639d66c9ee6958f18b479ff2b4

SHA256
13e4328fbab833df9f55d3f19ff51f282242b75a3a811e3ef1ecb8b99f657182

SHA512
fc39466023162d42803013b20b26b23363788b27540135ad5c58de6d74f7d2d4feda52a4896f2aeb4fd5d1556fb28309818e09bbf9a777f96d8a129050f8de4f

Download Submit
C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe
MD5
0e06054beb13192588e745ee63a84173

SHA1
30b7d4d1277bafd04a83779fd566a1f834a8d113

SHA256
c5d6d56ded55fbd6c150ee3a0eb2e5671cae83106be2be4d70ce50aa50bab768

SHA512
251a112f3f037e62ff67a467389e47a56afb344bc942b17efa9bd2970494718b26bbee9adc3ac35f93ee4d2114aa426b6d0ea4bafad294b6c118a15f1977c215

Download Submit
C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe
MD5
0e06054beb13192588e745ee63a84173

SHA1
30b7d4d1277bafd04a83779fd566a1f834a8d113

SHA256
c5d6d56ded55fbd6c150ee3a0eb2e5671cae83106be2be4d70ce50aa50bab768

SHA512
251a112f3f037e62ff67a467389e47a56afb344bc942b17efa9bd2970494718b26bbee9adc3ac35f93ee4d2114aa426b6d0ea4bafad294b6c118a15f1977c215

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp4C1D.tmp
MD5
95aceabc58acad5d73372b0966ee1b35

SHA1
2293b7ad4793cf574b1a5220e85f329b5601040a

SHA256
8d9642e1c3cd1e0b5d1763de2fb5e605ba593e5a918b93eec15acbc5dcc48fd4

SHA512
00760dfc9d8caf357f0cee5336e5448a4cca18e32cc63e1a69c16e34fe00ea29acd5b2cf278e86c6f9c3e66a1b176d27ed927361848212e6bf1fade7d3d06e74

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp4F1B.tmp
MD5
c4aecdef99eba873119e79616df3f4b0

SHA1
b1b3af52655fb633eed909dfed05b64fbbfac37c

SHA256
24fd0d87bea36a024449a95f808aaa174e4ed9003cb8a427b67c02411b8a2e0b

SHA512
e3f44b07267fccf4f5abd4efe80f2b037ddadc4cb898bdfca9d21ac5d79fcac828950065c2060d3ce125ee971fc3096183afee5287ba9951fbbda7257d8ed8d4

Download Submit
\Users\Admin\AppData\Local\Temp\58329676\cajqqcgfh.pif
MD5
1d7071dd5cda216508b235c0e2318b05

SHA1
0b972fbc1ea8a47204b2a187e608744a4e947bc2

SHA256
788edeacd860a1a3bb22b839c1ecf408227e1e14bbe0b1baf55824075161f996

SHA512
65965d2de629024773dddf5f8f37d40a15afc51cbaec48c8cda3b0763e9391e065c5ee6ab81b7f4e53ab1f531ef53bb9dccd9ddd4a1c9423922eebf37e544118

Download Submit
\Users\Admin\AppData\Local\Temp\58329676\cajqqcgfh.pif
MD5
1d7071dd5cda216508b235c0e2318b05

SHA1
0b972fbc1ea8a47204b2a187e608744a4e947bc2

SHA256
788edeacd860a1a3bb22b839c1ecf408227e1e14bbe0b1baf55824075161f996

SHA512
65965d2de629024773dddf5f8f37d40a15afc51cbaec48c8cda3b0763e9391e065c5ee6ab81b7f4e53ab1f531ef53bb9dccd9ddd4a1c9423922eebf37e544118

Download Submit
\Users\Admin\AppData\Local\Temp\58329676\cajqqcgfh.pif
MD5
1d7071dd5cda216508b235c0e2318b05

SHA1
0b972fbc1ea8a47204b2a187e608744a4e947bc2

SHA256
788edeacd860a1a3bb22b839c1ecf408227e1e14bbe0b1baf55824075161f996

SHA512
65965d2de629024773dddf5f8f37d40a15afc51cbaec48c8cda3b0763e9391e065c5ee6ab81b7f4e53ab1f531ef53bb9dccd9ddd4a1c9423922eebf37e544118

Download Submit
\Users\Admin\AppData\Local\Temp\58329676\cajqqcgfh.pif
MD5
1d7071dd5cda216508b235c0e2318b05

SHA1
0b972fbc1ea8a47204b2a187e608744a4e947bc2

SHA256
788edeacd860a1a3bb22b839c1ecf408227e1e14bbe0b1baf55824075161f996

SHA512
65965d2de629024773dddf5f8f37d40a15afc51cbaec48c8cda3b0763e9391e065c5ee6ab81b7f4e53ab1f531ef53bb9dccd9ddd4a1c9423922eebf37e544118

Download Submit
\Users\Admin\AppData\Local\Temp\RegSvcs.exe
MD5
0e06054beb13192588e745ee63a84173

SHA1
30b7d4d1277bafd04a83779fd566a1f834a8d113

SHA256
c5d6d56ded55fbd6c150ee3a0eb2e5671cae83106be2be4d70ce50aa50bab768

SHA512
251a112f3f037e62ff67a467389e47a56afb344bc942b17efa9bd2970494718b26bbee9adc3ac35f93ee4d2114aa426b6d0ea4bafad294b6c118a15f1977c215

Download Submit
memory/584-59-0x0000000000000000-mapping.dmp

Download
memory/1096-76-0x0000000000000000-mapping.dmp

Download
memory/1308-74-0x0000000000000000-mapping.dmp

Download
memory/1472-71-0x0000000000520000-0x0000000000BA5000-memory.dmp

Filesize
6.5MB

Download
memory/1472-73-0x0000000002730000-0x0000000002731000-memory.dmp

Filesize
4KB

Download
memory/1472-68-0x000000000053E792-mapping.dmp

Download
memory/1472-67-0x0000000000520000-0x0000000000BA5000-memory.dmp

Filesize
6.5MB

Download
memory/1472-66-0x0000000000520000-0x0000000000BA5000-memory.dmp

Filesize
6.5MB

Download
memory/1472-78-0x0000000000D90000-0x0000000000D95000-memory.dmp

Filesize
20KB

Download
memory/1472-79-0x0000000000DF0000-0x0000000000DF6000-memory.dmp

Filesize
24KB

Download
memory/1472-80-0x0000000000E00000-0x0000000000E19000-memory.dmp

Filesize
100KB

Download
memory/1472-81-0x0000000000E20000-0x0000000000E23000-memory.dmp

Filesize
12KB

Download
memory/2040-54-0x0000000075B11000-0x0000000075B13000-memory.dmp

Filesize
8KB

Download