nanocore | 7ba9294f10f99747124f01c3564c8a127057507932edda9806476f186e534c32

General

Target

129940eb6b4747b1569e7da5f37157db.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:

129940eb6b4747b1569e7da5f37157db.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\IMAP Service = "C:\\Program Files (x86)\\IMAP Service\\imapsvc.exe"	129940eb6b4747b1569e7da5f37157db.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

129940eb6b4747b1569e7da5f37157db.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	129940eb6b4747b1569e7da5f37157db.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

129940eb6b4747b1569e7da5f37157db.exe

description pid process target process

PID 1228 set thread context of 996 1228 129940eb6b4747b1569e7da5f37157db.exe 129940eb6b4747b1569e7da5f37157db.exe

description	pid	process	target process
PID 1228 set thread context of 996	1228	129940eb6b4747b1569e7da5f37157db.exe	129940eb6b4747b1569e7da5f37157db.exe

Drops file in Program Files directory 2 IoCs

Processes:

129940eb6b4747b1569e7da5f37157db.exe

description	ioc	process
File created	C:\Program Files (x86)\IMAP Service\imapsvc.exe	129940eb6b4747b1569e7da5f37157db.exe
File opened for modification	C:\Program Files (x86)\IMAP Service\imapsvc.exe	129940eb6b4747b1569e7da5f37157db.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

836 schtasks.exe

pid	process
836	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

129940eb6b4747b1569e7da5f37157db.exepowershell.exe129940eb6b4747b1569e7da5f37157db.exe

pid	process
1228	129940eb6b4747b1569e7da5f37157db.exe
1228	129940eb6b4747b1569e7da5f37157db.exe
1476	powershell.exe
996	129940eb6b4747b1569e7da5f37157db.exe
996	129940eb6b4747b1569e7da5f37157db.exe
996	129940eb6b4747b1569e7da5f37157db.exe
996	129940eb6b4747b1569e7da5f37157db.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

129940eb6b4747b1569e7da5f37157db.exe

pid process

996 129940eb6b4747b1569e7da5f37157db.exe

pid	process
996	129940eb6b4747b1569e7da5f37157db.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

129940eb6b4747b1569e7da5f37157db.exepowershell.exe129940eb6b4747b1569e7da5f37157db.exe

description	pid	process
Token: SeDebugPrivilege	1228	129940eb6b4747b1569e7da5f37157db.exe
Token: SeDebugPrivilege	1476	powershell.exe
Token: SeDebugPrivilege	996	129940eb6b4747b1569e7da5f37157db.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

129940eb6b4747b1569e7da5f37157db.exe

description	pid	process	target process
PID 1228 wrote to memory of 1476	1228	129940eb6b4747b1569e7da5f37157db.exe	powershell.exe
PID 1228 wrote to memory of 1476	1228	129940eb6b4747b1569e7da5f37157db.exe	powershell.exe
PID 1228 wrote to memory of 1476	1228	129940eb6b4747b1569e7da5f37157db.exe	powershell.exe
PID 1228 wrote to memory of 1476	1228	129940eb6b4747b1569e7da5f37157db.exe	powershell.exe
PID 1228 wrote to memory of 836	1228	129940eb6b4747b1569e7da5f37157db.exe	schtasks.exe
PID 1228 wrote to memory of 836	1228	129940eb6b4747b1569e7da5f37157db.exe	schtasks.exe
PID 1228 wrote to memory of 836	1228	129940eb6b4747b1569e7da5f37157db.exe	schtasks.exe
PID 1228 wrote to memory of 836	1228	129940eb6b4747b1569e7da5f37157db.exe	schtasks.exe
PID 1228 wrote to memory of 996	1228	129940eb6b4747b1569e7da5f37157db.exe	129940eb6b4747b1569e7da5f37157db.exe
PID 1228 wrote to memory of 996	1228	129940eb6b4747b1569e7da5f37157db.exe	129940eb6b4747b1569e7da5f37157db.exe
PID 1228 wrote to memory of 996	1228	129940eb6b4747b1569e7da5f37157db.exe	129940eb6b4747b1569e7da5f37157db.exe
PID 1228 wrote to memory of 996	1228	129940eb6b4747b1569e7da5f37157db.exe	129940eb6b4747b1569e7da5f37157db.exe
PID 1228 wrote to memory of 996	1228	129940eb6b4747b1569e7da5f37157db.exe	129940eb6b4747b1569e7da5f37157db.exe
PID 1228 wrote to memory of 996	1228	129940eb6b4747b1569e7da5f37157db.exe	129940eb6b4747b1569e7da5f37157db.exe
PID 1228 wrote to memory of 996	1228	129940eb6b4747b1569e7da5f37157db.exe	129940eb6b4747b1569e7da5f37157db.exe
PID 1228 wrote to memory of 996	1228	129940eb6b4747b1569e7da5f37157db.exe	129940eb6b4747b1569e7da5f37157db.exe
PID 1228 wrote to memory of 996	1228	129940eb6b4747b1569e7da5f37157db.exe	129940eb6b4747b1569e7da5f37157db.exe

C:\Users\Admin\AppData\Local\Temp\129940eb6b4747b1569e7da5f37157db.exe
"C:\Users\Admin\AppData\Local\Temp\129940eb6b4747b1569e7da5f37157db.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1228

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:1476

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QDciObviIKfRDf" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC572.tmp"
2⤵
- Creates scheduled task(s)
PID:836

C:\Users\Admin\AppData\Local\Temp\129940eb6b4747b1569e7da5f37157db.exe
"C:\Users\Admin\AppData\Local\Temp\129940eb6b4747b1569e7da5f37157db.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:996

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmpC572.tmp
Filesize
1KB

MD5
b8baeb375422a4f55be78d65a9bab282

SHA1
1b0ecac768b91c27a5c91e98ddce1e164354959a

SHA256
15517bcc083383416e7cf9c7298b7f06d60b451377fddb39f03b9bea040050fc

SHA512
1cdebed83d003735bd8d6437ce91a45105fff76321490378ed7f3543fd208100ecc29b1433ccaaa13052cf6c04f54616f77d0c4d6ebb8bd03fd9e5fff71256d5

Download Submit
memory/996-90-0x00000000006D0000-0x00000000006EA000-memory.dmp

Filesize
104KB

Download
memory/996-92-0x0000000000B60000-0x0000000000B72000-memory.dmp

Filesize
72KB

Download
memory/996-100-0x00000000044B0000-0x00000000044C4000-memory.dmp

Filesize
80KB

Download
memory/996-99-0x0000000004970000-0x000000000499E000-memory.dmp

Filesize
184KB

Download
memory/996-79-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/996-98-0x0000000000FC0000-0x0000000000FCE000-memory.dmp

Filesize
56KB

Download
memory/996-97-0x0000000000E40000-0x0000000000E54000-memory.dmp

Filesize
80KB

Download
memory/996-82-0x0000000000440000-0x000000000044A000-memory.dmp

Filesize
40KB

Download
memory/996-96-0x0000000000CB0000-0x0000000000CC0000-memory.dmp

Filesize
64KB

Download
memory/996-83-0x00000000004B0000-0x00000000004CE000-memory.dmp

Filesize
120KB

Download
memory/996-71-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/996-72-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/996-73-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/996-74-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/996-75-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/996-77-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/996-95-0x0000000000CA0000-0x0000000000CB4000-memory.dmp

Filesize
80KB

Download
memory/996-94-0x0000000000C10000-0x0000000000C1E000-memory.dmp

Filesize
56KB

Download
memory/996-70-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/996-84-0x0000000000490000-0x000000000049A000-memory.dmp

Filesize
40KB

Download
memory/996-93-0x0000000000BC0000-0x0000000000BCC000-memory.dmp

Filesize
48KB

Download
memory/996-91-0x0000000000B50000-0x0000000000B5E000-memory.dmp

Filesize
56KB

Download
memory/996-89-0x00000000006C0000-0x00000000006D2000-memory.dmp

Filesize
72KB

Download
memory/1228-54-0x0000000000FD0000-0x0000000001094000-memory.dmp

Filesize
784KB

Download
memory/1228-56-0x0000000000550000-0x0000000000564000-memory.dmp

Filesize
80KB

Download
memory/1228-66-0x0000000000B80000-0x0000000000B86000-memory.dmp

Filesize
24KB

Download
memory/1228-59-0x0000000000560000-0x000000000056C000-memory.dmp

Filesize
48KB

Download
memory/1228-69-0x0000000000E50000-0x0000000000E8C000-memory.dmp

Filesize
240KB

Download
memory/1228-55-0x0000000000BB0000-0x0000000000BF0000-memory.dmp

Filesize
256KB

Download
memory/1228-60-0x00000000079B0000-0x0000000007A32000-memory.dmp

Filesize
520KB

Download
memory/1228-58-0x0000000000BB0000-0x0000000000BF0000-memory.dmp

Filesize
256KB

Download
memory/1228-57-0x0000000000BB0000-0x0000000000BF0000-memory.dmp

Filesize
256KB

Download
memory/1476-86-0x0000000002430000-0x0000000002470000-memory.dmp

Filesize
256KB

Download
memory/1476-85-0x0000000002430000-0x0000000002470000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads