nanocore | 152831911e38d9e20c6c82b22cd65258fab41c3c1017d2127854b91c8331a685

General

Target

152831911e38d9e20c6c82b22cd65258fab41c3c1017d2127854b91c8331a685.exe
Size

3.5MB
MD5

72541dff5041b2d243e0502ecb452ef1
SHA1

8afb4d29dee980bedefb058453ed11e1c151f938
SHA256

152831911e38d9e20c6c82b22cd65258fab41c3c1017d2127854b91c8331a685
SHA512

f4877723eb06c98b0ede4868331cc0a64a09e7c02cebad044f3b6e5d1e741d45393ee7d1937fa031e26c463dc1370037ecb0bbe3eb42fd7dda8868c844bfd7d0
SSDEEP

49152:KOb699GhOeeYrHhxNg0Dobuh9CYW/jgFdfUH8SIP1wJ5+BPtk6S:q9vYrdnw8SIKJYBP

Score

10^/10

nanocore collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

arkseven7002.ddns.net:7727

Mutex

10a66da6-234d-4e15-acda-574830a08fca

Attributes

activate_away_mode
true
backup_connection_host
arkseven7002.ddns.net
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2024-04-18T01:03:25.467183836Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
false
clear_zone_identifier
true
connect_delay
4000
connection_port
7727
default_group
BLESSED BOTS
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
10a66da6-234d-4e15-acda-574830a08fca
mutex_timeout
5000
prevent_system_sleep
true
primary_connection_host
arkseven7002.ddns.net
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

NirSoft MailPassView 4 IoCs

Password recovery tool for various email clients

Processes:

resource	yara_rule
behavioral2/memory/4348-35-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView
behavioral2/memory/4348-37-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView
behavioral2/memory/4348-38-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView
behavioral2/memory/4348-40-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView

Nirsoft 4 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4348-35-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral2/memory/4348-37-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral2/memory/4348-38-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral2/memory/4348-40-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

Processes:

vbc.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-771719357-2485960699-3367710044-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	vbc.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

AddInProcess32.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DDP Host = "C:\\Program Files (x86)\\DDP Host\\ddphost.exe"	AddInProcess32.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

152831911e38d9e20c6c82b22cd65258fab41c3c1017d2127854b91c8331a685.exeAddInProcess32.exe

description	pid	process	target process
PID 3044 set thread context of 1060	3044	152831911e38d9e20c6c82b22cd65258fab41c3c1017d2127854b91c8331a685.exe	AddInProcess32.exe
PID 1060 set thread context of 4348	1060	AddInProcess32.exe	vbc.exe
PID 1060 set thread context of 4776	1060	AddInProcess32.exe	vbc.exe

Drops file in Program Files directory 2 IoCs

Processes:

AddInProcess32.exe

description	ioc	process
File created	C:\Program Files (x86)\DDP Host\ddphost.exe	AddInProcess32.exe
File opened for modification	C:\Program Files (x86)\DDP Host\ddphost.exe	AddInProcess32.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

AddInProcess32.exevbc.exe

pid	process
1060	AddInProcess32.exe
1060	AddInProcess32.exe
1060	AddInProcess32.exe
1060	AddInProcess32.exe
1060	AddInProcess32.exe
1060	AddInProcess32.exe
4776	vbc.exe
4776	vbc.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AddInProcess32.exe

pid process

1060 AddInProcess32.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

AddInProcess32.exe

description pid process

Token: SeDebugPrivilege 1060 AddInProcess32.exe

description	pid	process
Token: SeDebugPrivilege	1060	AddInProcess32.exe

Suspicious use of WriteProcessMemory 26 IoCs

Processes:

152831911e38d9e20c6c82b22cd65258fab41c3c1017d2127854b91c8331a685.exeAddInProcess32.exe

description	pid	process	target process
PID 3044 wrote to memory of 1060	3044	152831911e38d9e20c6c82b22cd65258fab41c3c1017d2127854b91c8331a685.exe	AddInProcess32.exe
PID 3044 wrote to memory of 1060	3044	152831911e38d9e20c6c82b22cd65258fab41c3c1017d2127854b91c8331a685.exe	AddInProcess32.exe
PID 3044 wrote to memory of 1060	3044	152831911e38d9e20c6c82b22cd65258fab41c3c1017d2127854b91c8331a685.exe	AddInProcess32.exe
PID 3044 wrote to memory of 1060	3044	152831911e38d9e20c6c82b22cd65258fab41c3c1017d2127854b91c8331a685.exe	AddInProcess32.exe
PID 3044 wrote to memory of 1060	3044	152831911e38d9e20c6c82b22cd65258fab41c3c1017d2127854b91c8331a685.exe	AddInProcess32.exe
PID 3044 wrote to memory of 1060	3044	152831911e38d9e20c6c82b22cd65258fab41c3c1017d2127854b91c8331a685.exe	AddInProcess32.exe
PID 3044 wrote to memory of 1060	3044	152831911e38d9e20c6c82b22cd65258fab41c3c1017d2127854b91c8331a685.exe	AddInProcess32.exe
PID 3044 wrote to memory of 1060	3044	152831911e38d9e20c6c82b22cd65258fab41c3c1017d2127854b91c8331a685.exe	AddInProcess32.exe
PID 1060 wrote to memory of 4348	1060	AddInProcess32.exe	vbc.exe
PID 1060 wrote to memory of 4348	1060	AddInProcess32.exe	vbc.exe
PID 1060 wrote to memory of 4348	1060	AddInProcess32.exe	vbc.exe
PID 1060 wrote to memory of 4348	1060	AddInProcess32.exe	vbc.exe
PID 1060 wrote to memory of 4348	1060	AddInProcess32.exe	vbc.exe
PID 1060 wrote to memory of 4348	1060	AddInProcess32.exe	vbc.exe
PID 1060 wrote to memory of 4348	1060	AddInProcess32.exe	vbc.exe
PID 1060 wrote to memory of 4348	1060	AddInProcess32.exe	vbc.exe
PID 1060 wrote to memory of 4348	1060	AddInProcess32.exe	vbc.exe
PID 1060 wrote to memory of 4776	1060	AddInProcess32.exe	vbc.exe
PID 1060 wrote to memory of 4776	1060	AddInProcess32.exe	vbc.exe
PID 1060 wrote to memory of 4776	1060	AddInProcess32.exe	vbc.exe
PID 1060 wrote to memory of 4776	1060	AddInProcess32.exe	vbc.exe
PID 1060 wrote to memory of 4776	1060	AddInProcess32.exe	vbc.exe
PID 1060 wrote to memory of 4776	1060	AddInProcess32.exe	vbc.exe
PID 1060 wrote to memory of 4776	1060	AddInProcess32.exe	vbc.exe
PID 1060 wrote to memory of 4776	1060	AddInProcess32.exe	vbc.exe
PID 1060 wrote to memory of 4776	1060	AddInProcess32.exe	vbc.exe

C:\Users\Admin\AppData\Local\Temp\152831911e38d9e20c6c82b22cd65258fab41c3c1017d2127854b91c8331a685.exe
"C:\Users\Admin\AppData\Local\Temp\152831911e38d9e20c6c82b22cd65258fab41c3c1017d2127854b91c8331a685.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3044

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
2⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1060

\??\c:\windows\microsoft.net\framework\v4.0.30319\vbc.exe
"c:\windows\microsoft.net\framework\v4.0.30319\vbc.exe" /shtml "C:\Users\Admin\AppData\Local\Temp\zqtpodmu.5cn"
3⤵
- Accesses Microsoft Outlook accounts
PID:4348

\??\c:\windows\microsoft.net\framework\v4.0.30319\vbc.exe
"c:\windows\microsoft.net\framework\v4.0.30319\vbc.exe" /shtml "C:\Users\Admin\AppData\Local\Temp\0txrmxiq.0um"
3⤵
- Suspicious behavior: EnumeratesProcesses
PID:4776

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scripting

1

T1064

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Scripting

1

T1064

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\0txrmxiq.0um
Filesize
3KB

MD5
02524418240369b25b988e9884cd1c54

SHA1
42a33322d952edf6d8431d4cd788bbc863d2b890

SHA256
80b2a0874c2f734dfe1196d7ae2a7bc6ccb30df2d9281513ac33edc529a71a37

SHA512
7c5bbe911f7f0b072d6fdb89ea5759655c2b5cf9ebfddff8f2f67f956141b8ed3697ab0504f60c3992849afbbc79434043a6c04d7cf6ddd958e23354fd3a698f

Download Submit
C:\Users\Admin\AppData\Local\Temp\zqtpodmu.5cn
Filesize
523B

MD5
69b2a2e17e78d24abee9f1de2f04811a

SHA1
d19c109704e83876ab3527457f9418a7d053aa33

SHA256
1b1491f21e64681f8fdc27b2265e2274fb7813eecb6ad8b446d2e431f6300edd

SHA512
eb7269979bc4187520636fe3d7b3089f2c7c02e81c4ce2a738ade680f72c61c67fe9577eeaa09d3ca93f34b60be8c434d2cfbfed6566e783f6611279f056150f

Download Submit
memory/1060-20-0x0000000006A00000-0x0000000006A14000-memory.dmp

Filesize
80KB

Download
memory/1060-11-0x00000000056F0000-0x00000000056FA000-memory.dmp

Filesize
40KB

Download
memory/1060-4-0x00000000054D0000-0x000000000556C000-memory.dmp

Filesize
624KB

Download
memory/1060-22-0x0000000006A30000-0x0000000006A44000-memory.dmp

Filesize
80KB

Download
memory/1060-6-0x00000000753A0000-0x0000000075B50000-memory.dmp

Filesize
7.7MB

Download
memory/1060-9-0x0000000005480000-0x000000000548A000-memory.dmp

Filesize
40KB

Download
memory/1060-10-0x00000000056A0000-0x00000000056BE000-memory.dmp

Filesize
120KB

Download
memory/1060-24-0x0000000006A60000-0x0000000006A8E000-memory.dmp

Filesize
184KB

Download
memory/1060-14-0x00000000059D0000-0x00000000059E2000-memory.dmp

Filesize
72KB

Download
memory/1060-15-0x0000000006990000-0x00000000069AA000-memory.dmp

Filesize
104KB

Download
memory/1060-16-0x00000000069C0000-0x00000000069CE000-memory.dmp

Filesize
56KB

Download
memory/1060-18-0x00000000069E0000-0x00000000069EE000-memory.dmp

Filesize
56KB

Download
memory/1060-17-0x00000000069D0000-0x00000000069E2000-memory.dmp

Filesize
72KB

Download
memory/1060-25-0x0000000006AA0000-0x0000000006AB4000-memory.dmp

Filesize
80KB

Download
memory/1060-0-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1060-21-0x0000000006A10000-0x0000000006A20000-memory.dmp

Filesize
64KB

Download
memory/1060-5-0x00000000053F0000-0x00000000053FA000-memory.dmp

Filesize
40KB

Download
memory/1060-3-0x0000000005330000-0x00000000053C2000-memory.dmp

Filesize
584KB

Download
memory/1060-19-0x00000000069F0000-0x00000000069FC000-memory.dmp

Filesize
48KB

Download
memory/1060-23-0x0000000006A50000-0x0000000006A5E000-memory.dmp

Filesize
56KB

Download
memory/1060-26-0x0000000006B20000-0x0000000006B86000-memory.dmp

Filesize
408KB

Download
memory/1060-33-0x00000000753AE000-0x00000000753AF000-memory.dmp

Filesize
4KB

Download
memory/1060-34-0x00000000753A0000-0x0000000075B50000-memory.dmp

Filesize
7.7MB

Download
memory/1060-1-0x00000000753AE000-0x00000000753AF000-memory.dmp

Filesize
4KB

Download
memory/1060-2-0x00000000059E0000-0x0000000005F84000-memory.dmp

Filesize
5.6MB

Download
memory/4348-38-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/4348-40-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/4348-37-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/4348-35-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/4776-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4776-44-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4776-45-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4776-50-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads