nanocore | 81bd2fb64159b04490708e766f0449c15ffbc9c262642fe3b3eb79664c9a3d75

General

Target

7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe
Size

762KB
MD5

129940eb6b4747b1569e7da5f37157db
SHA1

833dbea5d5f6f2b6bf1f24d9ca2c6d807804b6d9
SHA256

7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32
SHA512

3272119368abc30454d2ff1f4430aa30b2f0e71999f4c32dceae7b28d925210f3d79d1f50ae797270f2641c5d5f8344cb6728fdbbfb4654cf829778e68086d68
SSDEEP

12288:z1VLXCxGmsXPqiPnXkATcCPqcPRh17SMJU9fkPCldfKVWjzDYRw6gXZjZ81GidIL:RVLXkGXPqiPnXkAICx5hxSM68ydSqHp7

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

iyhto.ddns.net:3531

Mutex

42c7bb0d-2a49-4c9a-b8e7-5ee248f484c7

Attributes

activate_away_mode
true
backup_connection_host
iyhto.ddns.net
backup_dns_server
buffer_size
65535
build_time
2020-08-18T04:21:38.557873036Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
3531
default_group
Default
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
42c7bb0d-2a49-4c9a-b8e7-5ee248f484c7
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
iyhto.ddns.net
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
8000

Signatures

NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
keylogger trojan stealer spyware nanocore

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ISS Monitor = "C:\\Program Files (x86)\\ISS Monitor\\issmon.exe"	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe

description	pid	process	target process
PID 1704 set thread context of 1420	1704	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe

Drops file in Program Files directory 2 IoCs

Processes:

7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe

description	ioc	process
File created	C:\Program Files (x86)\ISS Monitor\issmon.exe	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe
File opened for modification	C:\Program Files (x86)\ISS Monitor\issmon.exe	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.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

1676 schtasks.exe

pid	process
1676	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exepowershell.exe

pid	process
1704	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe
1704	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe
1420	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe
1420	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe
988	powershell.exe
1420	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe
1420	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe

pid process

1420 7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe

pid	process
1420	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	1704	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe
Token: SeDebugPrivilege	1420	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe
Token: SeDebugPrivilege	988	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe

description	pid	process	target process
PID 1704 wrote to memory of 988	1704	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe	powershell.exe
PID 1704 wrote to memory of 988	1704	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe	powershell.exe
PID 1704 wrote to memory of 988	1704	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe	powershell.exe
PID 1704 wrote to memory of 988	1704	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe	powershell.exe
PID 1704 wrote to memory of 1676	1704	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe	schtasks.exe
PID 1704 wrote to memory of 1676	1704	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe	schtasks.exe
PID 1704 wrote to memory of 1676	1704	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe	schtasks.exe
PID 1704 wrote to memory of 1676	1704	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe	schtasks.exe
PID 1704 wrote to memory of 1420	1704	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe
PID 1704 wrote to memory of 1420	1704	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe
PID 1704 wrote to memory of 1420	1704	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe
PID 1704 wrote to memory of 1420	1704	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe
PID 1704 wrote to memory of 1420	1704	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe
PID 1704 wrote to memory of 1420	1704	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe
PID 1704 wrote to memory of 1420	1704	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe
PID 1704 wrote to memory of 1420	1704	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe
PID 1704 wrote to memory of 1420	1704	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe	7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe

C:\Users\Admin\AppData\Local\Temp\7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe
"C:\Users\Admin\AppData\Local\Temp\7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1704

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\QDciObviIKfRDf.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:988

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QDciObviIKfRDf" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF613.tmp"
2⤵
- Creates scheduled task(s)
PID:1676

C:\Users\Admin\AppData\Local\Temp\7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe
"C:\Users\Admin\AppData\Local\Temp\7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32.exe"
2⤵
- 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
PID:1420

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpF613.tmp
Filesize
1KB

MD5
bf6b0eb6fe1adc947a3975a64b2ddbce

SHA1
803e32a3b9874f132423cbc0e09f8f20bb387efc

SHA256
681c2c34d4b9751c3ef1a9d59b9f31f1e0d0c8621f5942a6cbf40127be089807

SHA512
3dc5f8172c5a2c29be4fe22a98d7758afa8c79d26fc2abca891a35cc434cf9b288bdaf26d66191e22e7978edfd78100442644a5d7be90832ac5cd1a5f570a9c9

Download Submit
memory/988-86-0x00000000022C0000-0x0000000002300000-memory.dmp

Filesize
256KB

Download
memory/1420-93-0x0000000000C20000-0x0000000000C2C000-memory.dmp

Filesize
48KB

Download
memory/1420-74-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1420-106-0x0000000004780000-0x00000000047C0000-memory.dmp

Filesize
256KB

Download
memory/1420-100-0x0000000000DD0000-0x0000000000DE4000-memory.dmp

Filesize
80KB

Download
memory/1420-82-0x00000000005A0000-0x00000000005AA000-memory.dmp

Filesize
40KB

Download
memory/1420-99-0x0000000000F20000-0x0000000000F4E000-memory.dmp

Filesize
184KB

Download
memory/1420-98-0x0000000000CB0000-0x0000000000CBE000-memory.dmp

Filesize
56KB

Download
memory/1420-83-0x00000000006D0000-0x00000000006EE000-memory.dmp

Filesize
120KB

Download
memory/1420-70-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1420-84-0x00000000005B0000-0x00000000005BA000-memory.dmp

Filesize
40KB

Download
memory/1420-73-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1420-71-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1420-75-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1420-94-0x0000000000C30000-0x0000000000C3E000-memory.dmp

Filesize
56KB

Download
memory/1420-77-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1420-79-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1420-97-0x0000000000CA0000-0x0000000000CB4000-memory.dmp

Filesize
80KB

Download
memory/1420-96-0x0000000000C50000-0x0000000000C60000-memory.dmp

Filesize
64KB

Download
memory/1420-72-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1420-85-0x0000000004780000-0x00000000047C0000-memory.dmp

Filesize
256KB

Download
memory/1420-95-0x0000000000C40000-0x0000000000C54000-memory.dmp

Filesize
80KB

Download
memory/1420-89-0x0000000000700000-0x0000000000712000-memory.dmp

Filesize
72KB

Download
memory/1420-90-0x0000000000B20000-0x0000000000B3A000-memory.dmp

Filesize
104KB

Download
memory/1420-91-0x0000000000AD0000-0x0000000000ADE000-memory.dmp

Filesize
56KB

Download
memory/1420-92-0x0000000000B40000-0x0000000000B52000-memory.dmp

Filesize
72KB

Download
memory/1704-69-0x0000000004450000-0x000000000448C000-memory.dmp

Filesize
240KB

Download
memory/1704-54-0x0000000000F80000-0x0000000001044000-memory.dmp

Filesize
784KB

Download
memory/1704-55-0x00000000072F0000-0x0000000007330000-memory.dmp

Filesize
256KB

Download
memory/1704-57-0x00000000072F0000-0x0000000007330000-memory.dmp

Filesize
256KB

Download
memory/1704-60-0x00000000074F0000-0x0000000007572000-memory.dmp

Filesize
520KB

Download
memory/1704-66-0x0000000000860000-0x0000000000866000-memory.dmp

Filesize
24KB

Download
memory/1704-56-0x0000000000570000-0x0000000000584000-memory.dmp

Filesize
80KB

Download
memory/1704-59-0x0000000000580000-0x000000000058C000-memory.dmp

Filesize
48KB

Download
memory/1704-58-0x00000000072F0000-0x0000000007330000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads