nanocore | 78098846a197b5b8a1d18c8d63bb6d3ddbf63721a1362530a382fbba5a0e0b34

General

Target

78098846a197b5b8a1d18c8d63bb6d3ddbf63721a1362530a382fbba5a0e0b34.exe
Size

1.3MB
MD5

a11ab784e6d3546992d20dd689053590
SHA1

efb53ba66291154d758e033d24ad19a1567918db
SHA256

78098846a197b5b8a1d18c8d63bb6d3ddbf63721a1362530a382fbba5a0e0b34
SHA512

73b093e8fcf0c9c8b4d8bf83f1b210b10ced13b093482f63f771a41774a72e3bbfe0e617255f869be54cecdd0d356856af000e61cdd02a890f89e798c49091a2
SSDEEP

24576:3u6J33O0c+JY5UZ+XC0kGso6FaUngm/MmiTv5WYk:Ru0c++OCvkGs9FaoiTMYk

Score

10^/10

nanocore evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

microsoft.btc-crypto-rewards.cash:3020

91.192.100.7:3020

Mutex

8f96fcee-6a12-4372-9c82-ebf284f80be1

Attributes

activate_away_mode
true
backup_connection_host
91.192.100.7
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2018-12-17T05:15:58.097142536Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
3020
default_group
macro doc pop up
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
8f96fcee-6a12-4372-9c82-ebf284f80be1
mutex_timeout
5000
prevent_system_sleep
true
primary_connection_host
microsoft.btc-crypto-rewards.cash
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 1 IoCs

Processes:

qprocess.exe

pid process

1320 qprocess.exe
Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

RegAsm.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA RegAsm.exe

pid	process
1320	qprocess.exe

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

AutoIT Executable 2 IoCs

AutoIT scripts compiled to PE executables.

Processes:

resource	yara_rule
C:\Users\Admin\AuthHostProxy\qprocess.exe	autoit_exe
C:\Users\Admin\AuthHostProxy\qprocess.exe	autoit_exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

78098846a197b5b8a1d18c8d63bb6d3ddbf63721a1362530a382fbba5a0e0b34.exeqprocess.exe

description	pid	process	target process
PID 864 set thread context of 1060	864	78098846a197b5b8a1d18c8d63bb6d3ddbf63721a1362530a382fbba5a0e0b34.exe	RegAsm.exe
PID 1320 set thread context of 1764	1320	qprocess.exe	RegAsm.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 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exe

pid process

568 schtasks.exe
364 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegAsm.exe

pid process

1060 RegAsm.exe
1060 RegAsm.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RegAsm.exe

pid process

1060 RegAsm.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegAsm.exe

description pid process

Token: SeDebugPrivilege 1060 RegAsm.exe

pid	process
568	schtasks.exe
364	schtasks.exe

pid	process
1060	RegAsm.exe
1060	RegAsm.exe

pid	process
1060	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	1060	RegAsm.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

78098846a197b5b8a1d18c8d63bb6d3ddbf63721a1362530a382fbba5a0e0b34.exetaskeng.exeqprocess.exe

description	pid	process	target process
PID 864 wrote to memory of 1060	864	78098846a197b5b8a1d18c8d63bb6d3ddbf63721a1362530a382fbba5a0e0b34.exe	RegAsm.exe
PID 864 wrote to memory of 1060	864	78098846a197b5b8a1d18c8d63bb6d3ddbf63721a1362530a382fbba5a0e0b34.exe	RegAsm.exe
PID 864 wrote to memory of 1060	864	78098846a197b5b8a1d18c8d63bb6d3ddbf63721a1362530a382fbba5a0e0b34.exe	RegAsm.exe
PID 864 wrote to memory of 1060	864	78098846a197b5b8a1d18c8d63bb6d3ddbf63721a1362530a382fbba5a0e0b34.exe	RegAsm.exe
PID 864 wrote to memory of 1060	864	78098846a197b5b8a1d18c8d63bb6d3ddbf63721a1362530a382fbba5a0e0b34.exe	RegAsm.exe
PID 864 wrote to memory of 1060	864	78098846a197b5b8a1d18c8d63bb6d3ddbf63721a1362530a382fbba5a0e0b34.exe	RegAsm.exe
PID 864 wrote to memory of 1060	864	78098846a197b5b8a1d18c8d63bb6d3ddbf63721a1362530a382fbba5a0e0b34.exe	RegAsm.exe
PID 864 wrote to memory of 1060	864	78098846a197b5b8a1d18c8d63bb6d3ddbf63721a1362530a382fbba5a0e0b34.exe	RegAsm.exe
PID 864 wrote to memory of 1060	864	78098846a197b5b8a1d18c8d63bb6d3ddbf63721a1362530a382fbba5a0e0b34.exe	RegAsm.exe
PID 864 wrote to memory of 568	864	78098846a197b5b8a1d18c8d63bb6d3ddbf63721a1362530a382fbba5a0e0b34.exe	schtasks.exe
PID 864 wrote to memory of 568	864	78098846a197b5b8a1d18c8d63bb6d3ddbf63721a1362530a382fbba5a0e0b34.exe	schtasks.exe
PID 864 wrote to memory of 568	864	78098846a197b5b8a1d18c8d63bb6d3ddbf63721a1362530a382fbba5a0e0b34.exe	schtasks.exe
PID 864 wrote to memory of 568	864	78098846a197b5b8a1d18c8d63bb6d3ddbf63721a1362530a382fbba5a0e0b34.exe	schtasks.exe
PID 700 wrote to memory of 1320	700	taskeng.exe	qprocess.exe
PID 700 wrote to memory of 1320	700	taskeng.exe	qprocess.exe
PID 700 wrote to memory of 1320	700	taskeng.exe	qprocess.exe
PID 700 wrote to memory of 1320	700	taskeng.exe	qprocess.exe
PID 1320 wrote to memory of 1764	1320	qprocess.exe	RegAsm.exe
PID 1320 wrote to memory of 1764	1320	qprocess.exe	RegAsm.exe
PID 1320 wrote to memory of 1764	1320	qprocess.exe	RegAsm.exe
PID 1320 wrote to memory of 1764	1320	qprocess.exe	RegAsm.exe
PID 1320 wrote to memory of 1764	1320	qprocess.exe	RegAsm.exe
PID 1320 wrote to memory of 1764	1320	qprocess.exe	RegAsm.exe
PID 1320 wrote to memory of 1764	1320	qprocess.exe	RegAsm.exe
PID 1320 wrote to memory of 1764	1320	qprocess.exe	RegAsm.exe
PID 1320 wrote to memory of 1764	1320	qprocess.exe	RegAsm.exe
PID 1320 wrote to memory of 364	1320	qprocess.exe	schtasks.exe
PID 1320 wrote to memory of 364	1320	qprocess.exe	schtasks.exe
PID 1320 wrote to memory of 364	1320	qprocess.exe	schtasks.exe
PID 1320 wrote to memory of 364	1320	qprocess.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\78098846a197b5b8a1d18c8d63bb6d3ddbf63721a1362530a382fbba5a0e0b34.exe
"C:\Users\Admin\AppData\Local\Temp\78098846a197b5b8a1d18c8d63bb6d3ddbf63721a1362530a382fbba5a0e0b34.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:864

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
2⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:1060

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\SysWOW64\schtasks.exe" /create /tn WUDFHost /tr "C:\Users\Admin\AuthHostProxy\qprocess.exe" /sc minute /mo 1 /F
2⤵
- Creates scheduled task(s)
PID:568

C:\Windows\system32\taskeng.exe
taskeng.exe {82D1F39C-1ABE-40A1-A218-D9E44806B398} S-1-5-21-3845472200-3839195424-595303356-1000:ZERMMMDR\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:700

C:\Users\Admin\AuthHostProxy\qprocess.exe
C:\Users\Admin\AuthHostProxy\qprocess.exe
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1320

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
3⤵
PID:1764

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\SysWOW64\schtasks.exe" /create /tn WUDFHost /tr "C:\Users\Admin\AuthHostProxy\qprocess.exe" /sc minute /mo 1 /F
3⤵
- Creates scheduled task(s)
PID:364

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AuthHostProxy\qprocess.exe
Filesize
1.3MB

MD5
9dcb552157050ba190f9a99c0ae7ef5a

SHA1
be36a4f57bece1f6fcdac92922d311cb1eb677ac

SHA256
7f82b2bca77c878e9957be2472716ccc7cbc286261c53f443692132e21f1ddbc

SHA512
8c7da6cfa11a8433c9fdf44b40bdcb91020867e225a25303d33148c5da46e072c1e74cd028015ca6109e7b577f96f3ea4ed37376c6d5543469140c96b7d73941

Download Submit
C:\Users\Admin\AuthHostProxy\qprocess.exe
Filesize
1.3MB

MD5
9dcb552157050ba190f9a99c0ae7ef5a

SHA1
be36a4f57bece1f6fcdac92922d311cb1eb677ac

SHA256
7f82b2bca77c878e9957be2472716ccc7cbc286261c53f443692132e21f1ddbc

SHA512
8c7da6cfa11a8433c9fdf44b40bdcb91020867e225a25303d33148c5da46e072c1e74cd028015ca6109e7b577f96f3ea4ed37376c6d5543469140c96b7d73941

Download Submit
memory/364-86-0x0000000000000000-mapping.dmp

Download
memory/568-68-0x0000000000000000-mapping.dmp

Download
memory/864-54-0x0000000076831000-0x0000000076833000-memory.dmp

Filesize
8KB

Download
memory/1060-63-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1060-66-0x00000000749D0000-0x0000000074F7B000-memory.dmp

Filesize
5.7MB

Download
memory/1060-67-0x00000000749D0000-0x0000000074F7B000-memory.dmp

Filesize
5.7MB

Download
memory/1060-64-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1060-62-0x000000000041E792-mapping.dmp

Download
memory/1060-57-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1060-55-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1320-70-0x0000000000000000-mapping.dmp

Download
memory/1764-80-0x000000000041E792-mapping.dmp

Download
memory/1764-84-0x00000000749D0000-0x0000000074F7B000-memory.dmp

Filesize
5.7MB

Download
memory/1764-85-0x00000000749D0000-0x0000000074F7B000-memory.dmp

Filesize
5.7MB

Download
memory/1764-87-0x00000000749D0000-0x0000000074F7B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads