nanocore | 64b231212d08ec7542aaebc297101451378802b2d5e9ac47646d157185dcb8e3

Analysis

max time kernel
150s
max time network
153s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
17-10-2022 14:42

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General

Target

06e50f23173ca3941f551f8e178c65c1.exe
Size

1.2MB
MD5

06e50f23173ca3941f551f8e178c65c1
SHA1

509ff53640bd3412473cfea726cc510f48260ef3
SHA256

64b231212d08ec7542aaebc297101451378802b2d5e9ac47646d157185dcb8e3
SHA512

465c6a57b926067edab879a5aa36594432fc4811af1a40b7656a134781ecb044e151d64fbdb96f976e124577a1bfbbb510338e8098d14c2afde991c551528698
SSDEEP

24576:0AOcZ2i7zNVkD7GVJZDlUbnVg+RKf5nLy5faNnCLUEVYfA3zEqoGrYP:iaVJNlUbnVg+RKxy5faNrEVYfIzEdGEP

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:

hpfcljs.exeRegSvcs.exe

pid process

1224 hpfcljs.exe
912 RegSvcs.exe
Loads dropped DLL 2 IoCs

Processes:

WScript.exehpfcljs.exe

pid process

1632 WScript.exe
1224 hpfcljs.exe

pid	process
1224	hpfcljs.exe
912	RegSvcs.exe

pid	process
1632	WScript.exe
1224	hpfcljs.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

hpfcljs.exeRegSvcs.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Chrome = "0\\8_85\\hpfcljs.exe 0\\8_85\\gobgs.vcb"	hpfcljs.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\AutoUpdate = "0\\8_85\\Update.vbs"	hpfcljs.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\NTFS Monitor = "C:\\Program Files (x86)\\NTFS Monitor\\ntfsmon.exe"	RegSvcs.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	hpfcljs.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:

hpfcljs.exe

description pid process target process

PID 1224 set thread context of 912 1224 hpfcljs.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 1224 set thread context of 912	1224	hpfcljs.exe	RegSvcs.exe

Drops file in Program Files directory 2 IoCs

Processes:

RegSvcs.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\NTFS Monitor\ntfsmon.exe	RegSvcs.exe
File created	C:\Program Files (x86)\NTFS Monitor\ntfsmon.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

1408 schtasks.exe
900 schtasks.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

RegSvcs.exe

pid process

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

Processes:

RegSvcs.exe

pid process

912 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegSvcs.exe

description pid process

Token: SeDebugPrivilege 912 RegSvcs.exe

pid	process
1408	schtasks.exe
900	schtasks.exe

pid	process
912	RegSvcs.exe
912	RegSvcs.exe
912	RegSvcs.exe
912	RegSvcs.exe
912	RegSvcs.exe
912	RegSvcs.exe

pid	process
912	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	912	RegSvcs.exe

Suspicious use of WriteProcessMemory 28 IoCs

Processes:

06e50f23173ca3941f551f8e178c65c1.exeWScript.exehpfcljs.exeRegSvcs.exe

description	pid	process	target process
PID 1044 wrote to memory of 1632	1044	06e50f23173ca3941f551f8e178c65c1.exe	WScript.exe
PID 1044 wrote to memory of 1632	1044	06e50f23173ca3941f551f8e178c65c1.exe	WScript.exe
PID 1044 wrote to memory of 1632	1044	06e50f23173ca3941f551f8e178c65c1.exe	WScript.exe
PID 1044 wrote to memory of 1632	1044	06e50f23173ca3941f551f8e178c65c1.exe	WScript.exe
PID 1632 wrote to memory of 1224	1632	WScript.exe	hpfcljs.exe
PID 1632 wrote to memory of 1224	1632	WScript.exe	hpfcljs.exe
PID 1632 wrote to memory of 1224	1632	WScript.exe	hpfcljs.exe
PID 1632 wrote to memory of 1224	1632	WScript.exe	hpfcljs.exe
PID 1632 wrote to memory of 1224	1632	WScript.exe	hpfcljs.exe
PID 1632 wrote to memory of 1224	1632	WScript.exe	hpfcljs.exe
PID 1632 wrote to memory of 1224	1632	WScript.exe	hpfcljs.exe
PID 1224 wrote to memory of 912	1224	hpfcljs.exe	RegSvcs.exe
PID 1224 wrote to memory of 912	1224	hpfcljs.exe	RegSvcs.exe
PID 1224 wrote to memory of 912	1224	hpfcljs.exe	RegSvcs.exe
PID 1224 wrote to memory of 912	1224	hpfcljs.exe	RegSvcs.exe
PID 1224 wrote to memory of 912	1224	hpfcljs.exe	RegSvcs.exe
PID 1224 wrote to memory of 912	1224	hpfcljs.exe	RegSvcs.exe
PID 1224 wrote to memory of 912	1224	hpfcljs.exe	RegSvcs.exe
PID 1224 wrote to memory of 912	1224	hpfcljs.exe	RegSvcs.exe
PID 1224 wrote to memory of 912	1224	hpfcljs.exe	RegSvcs.exe
PID 912 wrote to memory of 1408	912	RegSvcs.exe	schtasks.exe
PID 912 wrote to memory of 1408	912	RegSvcs.exe	schtasks.exe
PID 912 wrote to memory of 1408	912	RegSvcs.exe	schtasks.exe
PID 912 wrote to memory of 1408	912	RegSvcs.exe	schtasks.exe
PID 912 wrote to memory of 900	912	RegSvcs.exe	schtasks.exe
PID 912 wrote to memory of 900	912	RegSvcs.exe	schtasks.exe
PID 912 wrote to memory of 900	912	RegSvcs.exe	schtasks.exe
PID 912 wrote to memory of 900	912	RegSvcs.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\06e50f23173ca3941f551f8e178c65c1.exe
"C:\Users\Admin\AppData\Local\Temp\06e50f23173ca3941f551f8e178c65c1.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1044

C:\Windows\SysWOW64\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\temp\8_85\qtmrmfbdac.vbe"
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1632

C:\Users\Admin\AppData\Local\Temp\8_85\hpfcljs.exe
"C:\Users\Admin\AppData\Local\Temp\8_85\hpfcljs.exe" gobgs.vcb
3⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1224

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 behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:912

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "NTFS Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmp2AB9.tmp"
5⤵
- Creates scheduled task(s)
PID:1408

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "NTFS Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp2EC0.tmp"
5⤵
- Creates scheduled task(s)
PID:900

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\8_85\gobgs.vcb

Filesize
140.4MB

MD5
5c9aa8429c875128ac71960058b731f7

SHA1
34799997adf0a2f2e2c9deddc6f4fa5451385d85

SHA256
cd89b3103b7f3fb57862e4e07b2feae57488fcad878c08fd32f4793e3b9b269c

SHA512
dc15c41ce13a71f7fd0a78f3d51932c850b0bc091e540d190123305143d15e46e500b67482e47ee4a2e89244a6bbecaec1a6713d2f1c574367f3f7293bc5a5b2

Download Submit
C:\Users\Admin\AppData\Local\Temp\8_85\hpfcljs.exe

Filesize
1.1MB

MD5
8ccb142fc129503bc3af3aa8340bfee5

SHA1
5c06bf8a8dfc40ead13bc36285a7d09dea35c0e1

SHA256
3ed45f8139912948cbc5193b9eb9b4910ba3978b48e792538dc6d39bb0a246ad

SHA512
80822dececf79be2b83d29f739ffbb44ec54febccf385c07cb7382125c52ab8e7012c49091687709a38da14a9beaf2cbfe3f8aeea1744eba72eff788795331f8

Download Submit
C:\Users\Admin\AppData\Local\Temp\8_85\hpfcljs.exe

Filesize
1.1MB

MD5
8ccb142fc129503bc3af3aa8340bfee5

SHA1
5c06bf8a8dfc40ead13bc36285a7d09dea35c0e1

SHA256
3ed45f8139912948cbc5193b9eb9b4910ba3978b48e792538dc6d39bb0a246ad

SHA512
80822dececf79be2b83d29f739ffbb44ec54febccf385c07cb7382125c52ab8e7012c49091687709a38da14a9beaf2cbfe3f8aeea1744eba72eff788795331f8

Download Submit
C:\Users\Admin\AppData\Local\Temp\8_85\igswbbkwrb.xml

Filesize
53KB

MD5
044df4c4d4befc9c56fc4d1c0e25c450

SHA1
ea27a6ad395c6e1b1e60236a7ee6f9a325909ad6

SHA256
75d44124eecbd3f33ad5e1c8dbeb94802913170f11b97b0df1a37159bea47031

SHA512
8e1e424d2304ca0f19364fec50260e5f6aa0dff4f11a9d2d1dee321e79d68997f813b9d5fdc620a74bcd730393ee0f65afc6a93dafab447f82cd21bae6dad7bc

Download Submit
C:\Users\Admin\AppData\Local\Temp\8_85\tpoifi.wpu

Filesize
420KB

MD5
8933424c73dcc669d2d9f9f22ad68777

SHA1
f078bba26ee820175ca208a752787268a96babe3

SHA256
0c7b2607b97b7fe6c3b57a278583b30b668c60359878ee86a5a14651e1e944fd

SHA512
3fcf11d60a7ced3b3748379beaf539edbde850f033af8056e56f006150108fb2fa1ff7fa382a675b88fb2cb702dc23f3ad7c55980581e7cbbc234f1b5bbf1f38

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\tmp2AB9.tmp

Filesize
1KB

MD5
95aceabc58acad5d73372b0966ee1b35

SHA1
2293b7ad4793cf574b1a5220e85f329b5601040a

SHA256
8d9642e1c3cd1e0b5d1763de2fb5e605ba593e5a918b93eec15acbc5dcc48fd4

SHA512
00760dfc9d8caf357f0cee5336e5448a4cca18e32cc63e1a69c16e34fe00ea29acd5b2cf278e86c6f9c3e66a1b176d27ed927361848212e6bf1fade7d3d06e74

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp2EC0.tmp

Filesize
1KB

MD5
981e126601526eaa5b0ad45c496c4465

SHA1
d610d6a21a8420cc73fcd3e54ddae75a5897b28b

SHA256
11ae277dfa39e7038b782ca6557339e7fe88533fe83705c356a1500a1402d527

SHA512
a59fb704d931ccb7e1ec1a7b98e24ccd8708be529066c6de4b673098cdebef539f7f50d9e051c43954b5a8e7f810862b3a4ede170f131e080dadc3e763ed4bdb

Download Submit
C:\Users\Admin\AppData\Local\temp\8_85\qtmrmfbdac.vbe

Filesize
23KB

MD5
62b3d2b7353dc8cb3f11eaf9cd526171

SHA1
30524047df59bc41639a44fa0630df37815cc65e

SHA256
120a53b215696ac26afb128dc91e41317c84bbbf1a69387522170e4fcf63a44d

SHA512
0d7b0ec95d8ce15fe281150c4c22e7a71c5ae7cd438a0e04720b2d2d67e5cf70846c28f7120449dcf4b5c112953aaa2b5d036fc1ef0cb174b913bf5f3ee88f56

Download Submit
\Users\Admin\AppData\Local\Temp\8_85\hpfcljs.exe

Filesize
1.1MB

MD5
8ccb142fc129503bc3af3aa8340bfee5

SHA1
5c06bf8a8dfc40ead13bc36285a7d09dea35c0e1

SHA256
3ed45f8139912948cbc5193b9eb9b4910ba3978b48e792538dc6d39bb0a246ad

SHA512
80822dececf79be2b83d29f739ffbb44ec54febccf385c07cb7382125c52ab8e7012c49091687709a38da14a9beaf2cbfe3f8aeea1744eba72eff788795331f8

Download Submit
\Users\Admin\AppData\Local\Temp\RegSvcs.exe

Filesize
44KB

MD5
0e06054beb13192588e745ee63a84173

SHA1
30b7d4d1277bafd04a83779fd566a1f834a8d113

SHA256
c5d6d56ded55fbd6c150ee3a0eb2e5671cae83106be2be4d70ce50aa50bab768

SHA512
251a112f3f037e62ff67a467389e47a56afb344bc942b17efa9bd2970494718b26bbee9adc3ac35f93ee4d2114aa426b6d0ea4bafad294b6c118a15f1977c215

Download Submit
memory/900-81-0x0000000000000000-mapping.dmp

Download
memory/912-69-0x0000000000250000-0x0000000000807000-memory.dmp

Filesize
5.7MB

Download
memory/912-83-0x0000000000A50000-0x0000000000A5A000-memory.dmp

Filesize
40KB

Download
memory/912-73-0x0000000000250000-0x0000000000807000-memory.dmp

Filesize
5.7MB

Download
memory/912-75-0x0000000000250000-0x0000000000807000-memory.dmp

Filesize
5.7MB

Download
memory/912-86-0x0000000001030000-0x000000000103A000-memory.dmp

Filesize
40KB

Download
memory/912-77-0x0000000000250000-0x000000000028A000-memory.dmp

Filesize
232KB

Download
memory/912-85-0x0000000001010000-0x000000000102E000-memory.dmp

Filesize
120KB

Download
memory/912-67-0x0000000000250000-0x0000000000807000-memory.dmp

Filesize
5.7MB

Download
memory/912-84-0x0000000000A70000-0x0000000000A7C000-memory.dmp

Filesize
48KB

Download
memory/912-70-0x000000000026E792-mapping.dmp

Download
memory/1044-54-0x0000000075071000-0x0000000075073000-memory.dmp

Filesize
8KB

Download
memory/1224-60-0x0000000000000000-mapping.dmp

Download
memory/1408-79-0x0000000000000000-mapping.dmp

Download
memory/1632-55-0x0000000000000000-mapping.dmp

Download