nanocore | d8d44d6f407890cc863210c01ddec461112b1efb273bcf76bbb3e31419f0bcee

General

Target

a8aac7e2a92af01b0fc23c879558bbab.exe
Size

1.0MB
MD5

a8aac7e2a92af01b0fc23c879558bbab
SHA1

677cb1175654988f65e728265e9cba895251fcb2
SHA256

d8d44d6f407890cc863210c01ddec461112b1efb273bcf76bbb3e31419f0bcee
SHA512

6763333172126ce8c5eb5924779182a488c2c6ea4bedbd3f1265dd165e95816981b3f9e35d1d0dfb7c16b136de70b26ded51f1fd547b6a0157909ad215975039

Score

10^/10

nanocore keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

sylviaoslh01.ddns.net:52943

23.105.131.216:52943

Mutex

23e7eebd-240d-4908-b034-8afc79aa36ad

Attributes

activate_away_mode
false
backup_connection_host
23.105.131.216
backup_dns_server
buffer_size
65538
build_time
2020-10-26T11:59:49.749429636Z
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
52943
default_group
Logs wetyn you de wait for
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
23e7eebd-240d-4908-b034-8afc79aa36ad
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
sylviaoslh01.ddns.net
primary_dns_server
request_elevation
false
restart_delay
5000
run_delay
0
run_on_startup
false
set_critical_process
false
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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

RegSvcs.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\SMTP Manager = "C:\\Program Files (x86)\\SMTP Manager\\smtpmgr.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

a8aac7e2a92af01b0fc23c879558bbab.exe

description pid process target process

PID 1400 set thread context of 3496 1400 a8aac7e2a92af01b0fc23c879558bbab.exe RegSvcs.exe

description	pid	process	target process
PID 1400 set thread context of 3496	1400	a8aac7e2a92af01b0fc23c879558bbab.exe	RegSvcs.exe

Drops file in Program Files directory 2 IoCs

Processes:

RegSvcs.exe

description	ioc	process
File created	C:\Program Files (x86)\SMTP Manager\smtpmgr.exe	RegSvcs.exe
File opened for modification	C:\Program Files (x86)\SMTP Manager\smtpmgr.exe	RegSvcs.exe

Creates scheduled task(s) 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exeschtasks.exe

pid process

2312 schtasks.exe
3956 schtasks.exe
1156 schtasks.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

RegSvcs.exe

pid process

3496 RegSvcs.exe
3496 RegSvcs.exe
3496 RegSvcs.exe
3496 RegSvcs.exe
3496 RegSvcs.exe
3496 RegSvcs.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RegSvcs.exe

pid process

3496 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

RegSvcs.exe

description pid process

Token: SeDebugPrivilege 3496 RegSvcs.exe
Token: SeDebugPrivilege 3496 RegSvcs.exe

pid	process
2312	schtasks.exe
3956	schtasks.exe
1156	schtasks.exe

pid	process
3496	RegSvcs.exe
3496	RegSvcs.exe
3496	RegSvcs.exe
3496	RegSvcs.exe
3496	RegSvcs.exe
3496	RegSvcs.exe

pid	process
3496	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	3496	RegSvcs.exe
Token: SeDebugPrivilege	3496	RegSvcs.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

a8aac7e2a92af01b0fc23c879558bbab.exeRegSvcs.exe

description	pid	process	target process
PID 1400 wrote to memory of 2312	1400	a8aac7e2a92af01b0fc23c879558bbab.exe	schtasks.exe
PID 1400 wrote to memory of 2312	1400	a8aac7e2a92af01b0fc23c879558bbab.exe	schtasks.exe
PID 1400 wrote to memory of 2312	1400	a8aac7e2a92af01b0fc23c879558bbab.exe	schtasks.exe
PID 1400 wrote to memory of 3496	1400	a8aac7e2a92af01b0fc23c879558bbab.exe	RegSvcs.exe
PID 1400 wrote to memory of 3496	1400	a8aac7e2a92af01b0fc23c879558bbab.exe	RegSvcs.exe
PID 1400 wrote to memory of 3496	1400	a8aac7e2a92af01b0fc23c879558bbab.exe	RegSvcs.exe
PID 1400 wrote to memory of 3496	1400	a8aac7e2a92af01b0fc23c879558bbab.exe	RegSvcs.exe
PID 1400 wrote to memory of 3496	1400	a8aac7e2a92af01b0fc23c879558bbab.exe	RegSvcs.exe
PID 1400 wrote to memory of 3496	1400	a8aac7e2a92af01b0fc23c879558bbab.exe	RegSvcs.exe
PID 1400 wrote to memory of 3496	1400	a8aac7e2a92af01b0fc23c879558bbab.exe	RegSvcs.exe
PID 1400 wrote to memory of 3496	1400	a8aac7e2a92af01b0fc23c879558bbab.exe	RegSvcs.exe
PID 3496 wrote to memory of 3956	3496	RegSvcs.exe	schtasks.exe
PID 3496 wrote to memory of 3956	3496	RegSvcs.exe	schtasks.exe
PID 3496 wrote to memory of 3956	3496	RegSvcs.exe	schtasks.exe
PID 3496 wrote to memory of 1156	3496	RegSvcs.exe	schtasks.exe
PID 3496 wrote to memory of 1156	3496	RegSvcs.exe	schtasks.exe
PID 3496 wrote to memory of 1156	3496	RegSvcs.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\a8aac7e2a92af01b0fc23c879558bbab.exe
"C:\Users\Admin\AppData\Local\Temp\a8aac7e2a92af01b0fc23c879558bbab.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1400

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LpqUNyJQxR" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1B39.tmp"
2⤵
- Creates scheduled task(s)
PID:2312

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
"{path}"
2⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3496

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "SMTP Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmp23B5.tmp"
3⤵
- Creates scheduled task(s)
PID:3956

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "SMTP Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp2433.tmp"
3⤵
- Creates scheduled task(s)
PID:1156

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

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp1B39.tmp
MD5
df99e4069ae2f1ae053b32d87ed67792

SHA1
c657271f444963c4d0f6ad94242e559b1be2a655

SHA256
26aa54713e0d713ce18b400ed9b349bfbc68bff31b4329f6c2393210c489833d

SHA512
c324ed78b49a806043eb36892006e496b29da46349b77a344a4348036d449d5a1ea2475b64daf560043b5b9ff4ebf418cfc7f16901ab1b45921db29a9881e3fd

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp23B5.tmp
MD5
40b11ef601fb28f9b2e69d36857bf2ec

SHA1
b6454020ad2ceed193f4792b77001d0bd741b370

SHA256
c51e12d18cc664425f6711d8ae2507068884c7057092cfa11884100e1e9d49e1

SHA512
e3c5bcc714cbfca4b8058ddcddf231dcefa69c15881ce3f8123e59ed45cfb5da052b56e1945dcf8dc7f800d62f9a4eecb82bca69a66a1530787aeffeb15e2bd5

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp2433.tmp
MD5
b3b017f9df206021717a11f11d895402

SHA1
e4ea12823af6550ee634536eec1eb14490580a3b

SHA256
654dfce2c28024364e679e1b958f3fb81fc6d29685d534d905d1c83a84351024

SHA512
95666cb81aa1fd1ade04a32f63381ce8bff274d7d300c0b59cbb10a294c4d1eebaa3000365a2000b38793de030044995cf23e623c5e3648d9b00501f97ff9343

Download Submit
memory/1156-10-0x0000000000000000-mapping.dmp

Download
memory/1400-2-0x0000000000F80000-0x0000000000F81000-memory.dmp

Filesize
4KB

Download
memory/2312-3-0x0000000000000000-mapping.dmp

Download
memory/3496-5-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/3496-6-0x000000000041E792-mapping.dmp

Download
memory/3496-8-0x0000000002900000-0x0000000002901000-memory.dmp

Filesize
4KB

Download
memory/3496-12-0x0000000002901000-0x0000000002902000-memory.dmp

Filesize
4KB

Download
memory/3956-7-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads