nanocore | 63b45db1a34b47cfe915e7ae7fdd80d25b216259eb8a49f950d54d6b985155ec

Analysis

max time kernel
156s
max time network
173s
platform
windows7_x64
resource
win7-20220414-en
submitted
21-05-2022 18:39

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General

Target

POEA-MANNING ADVISORY 2020-56.PDF.exe
Size

1.1MB
MD5

dfd8bd78c724d661a354312437e303de
SHA1

1ab0afb0cafb35b2218aefa34de78abec2eea298
SHA256

62a7f441ba21aaa568fe700029fa32d6dd7eeb2ed0a7f7259a680f2aae65ee31
SHA512

e6cc3b297288cf0a361754d3a377ff89c8206382cedf044f7d2cc3bbc41b39e330a7acf2ede4fc2f353bf16cf2d23bceab17c1c385fec84876eb54b72a02ed37

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

alhabib4rec.freeddns.org:54985

alhabib4rec.ddns.net:54985

Mutex

241aa85d-c14f-4ebb-875d-fb86e35e90ef

Attributes

activate_away_mode
true
backup_connection_host
alhabib4rec.ddns.net
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-05-22T04:20:45.642519636Z
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
54985
default_group
AUGUST-LOGS
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
241aa85d-c14f-4ebb-875d-fb86e35e90ef
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
alhabib4rec.freeddns.org
primary_dns_server
8.8.8.8
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
true
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
Executes dropped EXE 2 IoCs

Processes:

sfoioh.pifRegSvcs.exe

pid process

2044 sfoioh.pif
2036 RegSvcs.exe

pid	process
2044	sfoioh.pif
2036	RegSvcs.exe

Loads dropped DLL 5 IoCs

Processes:

POEA-MANNING ADVISORY 2020-56.PDF.exesfoioh.pif

pid	process
1664	POEA-MANNING ADVISORY 2020-56.PDF.exe
1664	POEA-MANNING ADVISORY 2020-56.PDF.exe
1664	POEA-MANNING ADVISORY 2020-56.PDF.exe
1664	POEA-MANNING ADVISORY 2020-56.PDF.exe
2044	sfoioh.pif

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

sfoioh.pif

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	sfoioh.pif
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\WindowsUpdate = "C:\\Users\\Admin\\29636000\\sfoioh.pif C:\\Users\\Admin\\29636000\\eqhp.lxk"	sfoioh.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:

sfoioh.pif

description pid process target process

PID 2044 set thread context of 2036 2044 sfoioh.pif 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 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

1764 schtasks.exe

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

description	pid	process	target process
PID 2044 set thread context of 2036	2044	sfoioh.pif	RegSvcs.exe

pid	process
1764	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

RegSvcs.exesfoioh.pif

pid	process
2036	RegSvcs.exe
2036	RegSvcs.exe
2036	RegSvcs.exe
2036	RegSvcs.exe
2044	sfoioh.pif
2044	sfoioh.pif
2036	RegSvcs.exe
2036	RegSvcs.exe
2044	sfoioh.pif
2044	sfoioh.pif
2044	sfoioh.pif
2044	sfoioh.pif
2044	sfoioh.pif
2044	sfoioh.pif
2044	sfoioh.pif
2044	sfoioh.pif
2044	sfoioh.pif
2044	sfoioh.pif
2044	sfoioh.pif
2044	sfoioh.pif
2044	sfoioh.pif
2044	sfoioh.pif
2044	sfoioh.pif
2044	sfoioh.pif
2044	sfoioh.pif
2044	sfoioh.pif
2044	sfoioh.pif
2044	sfoioh.pif
2044	sfoioh.pif
2044	sfoioh.pif
2044	sfoioh.pif
2044	sfoioh.pif
2044	sfoioh.pif
2044	sfoioh.pif
2044	sfoioh.pif
2044	sfoioh.pif
2044	sfoioh.pif
2044	sfoioh.pif
2044	sfoioh.pif
2044	sfoioh.pif
2044	sfoioh.pif
2044	sfoioh.pif
2044	sfoioh.pif
2044	sfoioh.pif
2044	sfoioh.pif
2044	sfoioh.pif
2044	sfoioh.pif
2044	sfoioh.pif
2044	sfoioh.pif
2044	sfoioh.pif
2044	sfoioh.pif
2044	sfoioh.pif
2044	sfoioh.pif
2044	sfoioh.pif
2044	sfoioh.pif
2044	sfoioh.pif
2044	sfoioh.pif
2044	sfoioh.pif
2044	sfoioh.pif
2044	sfoioh.pif
2044	sfoioh.pif
2044	sfoioh.pif
2044	sfoioh.pif
2044	sfoioh.pif

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RegSvcs.exe

pid process

2036 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegSvcs.exe

description pid process

Token: SeDebugPrivilege 2036 RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	2036	RegSvcs.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

POEA-MANNING ADVISORY 2020-56.PDF.exesfoioh.pifRegSvcs.exe

description	pid	process	target process
PID 1664 wrote to memory of 2044	1664	POEA-MANNING ADVISORY 2020-56.PDF.exe	sfoioh.pif
PID 1664 wrote to memory of 2044	1664	POEA-MANNING ADVISORY 2020-56.PDF.exe	sfoioh.pif
PID 1664 wrote to memory of 2044	1664	POEA-MANNING ADVISORY 2020-56.PDF.exe	sfoioh.pif
PID 1664 wrote to memory of 2044	1664	POEA-MANNING ADVISORY 2020-56.PDF.exe	sfoioh.pif
PID 2044 wrote to memory of 2036	2044	sfoioh.pif	RegSvcs.exe
PID 2044 wrote to memory of 2036	2044	sfoioh.pif	RegSvcs.exe
PID 2044 wrote to memory of 2036	2044	sfoioh.pif	RegSvcs.exe
PID 2044 wrote to memory of 2036	2044	sfoioh.pif	RegSvcs.exe
PID 2044 wrote to memory of 2036	2044	sfoioh.pif	RegSvcs.exe
PID 2044 wrote to memory of 2036	2044	sfoioh.pif	RegSvcs.exe
PID 2044 wrote to memory of 2036	2044	sfoioh.pif	RegSvcs.exe
PID 2044 wrote to memory of 2036	2044	sfoioh.pif	RegSvcs.exe
PID 2044 wrote to memory of 2036	2044	sfoioh.pif	RegSvcs.exe
PID 2036 wrote to memory of 1764	2036	RegSvcs.exe	schtasks.exe
PID 2036 wrote to memory of 1764	2036	RegSvcs.exe	schtasks.exe
PID 2036 wrote to memory of 1764	2036	RegSvcs.exe	schtasks.exe
PID 2036 wrote to memory of 1764	2036	RegSvcs.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\POEA-MANNING ADVISORY 2020-56.PDF.exe
"C:\Users\Admin\AppData\Local\Temp\POEA-MANNING ADVISORY 2020-56.PDF.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1664

C:\Users\Admin\29636000\sfoioh.pif
"C:\Users\Admin\29636000\sfoioh.pif" eqhp.lxk
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2044

C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe
"C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe"
3⤵
- Executes dropped EXE
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2036

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "WPA Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp6B42.tmp"
4⤵
- Creates scheduled task(s)
PID:1764

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\29636000\eqhp.lxk
Filesize
163.8MB

MD5
dd9d3c284f145310191e54f38e77c612

SHA1
a37372bc5fe3658da6b7aae1130b9704a1baa132

SHA256
32f2e39dc6ecfb1ec709ee20b3941718129eeb91379e25cc1555eed76fcb2124

SHA512
670dc9edf4b5ad1190461919e52ad0f87d28c6192f44b92275f4af550e35a737b23fc2932d6aa212f07a753877b0a9adb5edb2a3bd0698420285c5040fb110df

Download Submit
C:\Users\Admin\29636000\gklhdwdnin.ico
Filesize
461KB

MD5
5d4efddc3fce2129f51b0c55ca44e3d7

SHA1
62df8b558d1ecdc40066c25bddadcef363151fda

SHA256
989aa53994b85502af0a163113363d90b28a800e9e1c26d52029ec3f581c6415

SHA512
708860e32eb396c775c8eb95e04b67c0c736da4d0c3644c9d2d2de4b94b31eec45df7aec077786ed52a5966f174883e32bf675d4ddce8b5167a27f4b9f83244f

Download Submit
C:\Users\Admin\29636000\sfoioh.pif
Filesize
712KB

MD5
0ccbaaf7aec34840fcd7c27a8539c8a1

SHA1
30f905338f43c12abc44226e1a6211e16f3491d2

SHA256
da606b2ce7c6d525844f1fdc751719c42ec59d662a8794104ca12eb5de280438

SHA512
04583d42685b0a904c08bcc7c4b360577ceff8e72f74133d856175df8c005e49a8ac2ae4d75bb764b4a9e0a8c7d7adfb12cf45caf70beaf52f273d1e39e7a0a9

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\tmp6B42.tmp
Filesize
1KB

MD5
95aceabc58acad5d73372b0966ee1b35

SHA1
2293b7ad4793cf574b1a5220e85f329b5601040a

SHA256
8d9642e1c3cd1e0b5d1763de2fb5e605ba593e5a918b93eec15acbc5dcc48fd4

SHA512
00760dfc9d8caf357f0cee5336e5448a4cca18e32cc63e1a69c16e34fe00ea29acd5b2cf278e86c6f9c3e66a1b176d27ed927361848212e6bf1fade7d3d06e74

Download Submit
\Users\Admin\29636000\sfoioh.pif
Filesize
712KB

MD5
0ccbaaf7aec34840fcd7c27a8539c8a1

SHA1
30f905338f43c12abc44226e1a6211e16f3491d2

SHA256
da606b2ce7c6d525844f1fdc751719c42ec59d662a8794104ca12eb5de280438

SHA512
04583d42685b0a904c08bcc7c4b360577ceff8e72f74133d856175df8c005e49a8ac2ae4d75bb764b4a9e0a8c7d7adfb12cf45caf70beaf52f273d1e39e7a0a9

Download Submit
\Users\Admin\29636000\sfoioh.pif
Filesize
712KB

MD5
0ccbaaf7aec34840fcd7c27a8539c8a1

SHA1
30f905338f43c12abc44226e1a6211e16f3491d2

SHA256
da606b2ce7c6d525844f1fdc751719c42ec59d662a8794104ca12eb5de280438

SHA512
04583d42685b0a904c08bcc7c4b360577ceff8e72f74133d856175df8c005e49a8ac2ae4d75bb764b4a9e0a8c7d7adfb12cf45caf70beaf52f273d1e39e7a0a9

Download Submit
\Users\Admin\29636000\sfoioh.pif
Filesize
712KB

MD5
0ccbaaf7aec34840fcd7c27a8539c8a1

SHA1
30f905338f43c12abc44226e1a6211e16f3491d2

SHA256
da606b2ce7c6d525844f1fdc751719c42ec59d662a8794104ca12eb5de280438

SHA512
04583d42685b0a904c08bcc7c4b360577ceff8e72f74133d856175df8c005e49a8ac2ae4d75bb764b4a9e0a8c7d7adfb12cf45caf70beaf52f273d1e39e7a0a9

Download Submit
\Users\Admin\29636000\sfoioh.pif
Filesize
712KB

MD5
0ccbaaf7aec34840fcd7c27a8539c8a1

SHA1
30f905338f43c12abc44226e1a6211e16f3491d2

SHA256
da606b2ce7c6d525844f1fdc751719c42ec59d662a8794104ca12eb5de280438

SHA512
04583d42685b0a904c08bcc7c4b360577ceff8e72f74133d856175df8c005e49a8ac2ae4d75bb764b4a9e0a8c7d7adfb12cf45caf70beaf52f273d1e39e7a0a9

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

MD5
0e06054beb13192588e745ee63a84173

SHA1
30b7d4d1277bafd04a83779fd566a1f834a8d113

SHA256
c5d6d56ded55fbd6c150ee3a0eb2e5671cae83106be2be4d70ce50aa50bab768

SHA512
251a112f3f037e62ff67a467389e47a56afb344bc942b17efa9bd2970494718b26bbee9adc3ac35f93ee4d2114aa426b6d0ea4bafad294b6c118a15f1977c215

Download Submit
memory/1664-54-0x0000000076C81000-0x0000000076C83000-memory.dmp

Filesize
8KB

Download
memory/1764-77-0x0000000000000000-mapping.dmp

Download
memory/2036-73-0x00000000003C0000-0x00000000009D3000-memory.dmp

Filesize
6.1MB

Download
memory/2036-71-0x00000000003C0000-0x00000000009D3000-memory.dmp

Filesize
6.1MB

Download
memory/2036-68-0x00000000003DE792-mapping.dmp

Download
memory/2036-67-0x00000000003C0000-0x00000000009D3000-memory.dmp

Filesize
6.1MB

Download
memory/2036-75-0x00000000003C0000-0x00000000003F8000-memory.dmp

Filesize
224KB

Download
memory/2036-65-0x00000000003C0000-0x00000000009D3000-memory.dmp

Filesize
6.1MB

Download
memory/2036-79-0x0000000000C00000-0x0000000000C0A000-memory.dmp

Filesize
40KB

Download
memory/2036-80-0x0000000001020000-0x000000000103E000-memory.dmp

Filesize
120KB

Download
memory/2036-81-0x0000000000C10000-0x0000000000C1A000-memory.dmp

Filesize
40KB

Download
memory/2044-59-0x0000000000000000-mapping.dmp

Download