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 2 IoCs

Processes:

qprocess.exeqprocess.exe

pid process

3696 qprocess.exe
616 qprocess.exe

pid	process
3696	qprocess.exe
616	qprocess.exe

Checks computer location settings 2 TTPs 3 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

78098846a197b5b8a1d18c8d63bb6d3ddbf63721a1362530a382fbba5a0e0b34.exeqprocess.exeqprocess.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	78098846a197b5b8a1d18c8d63bb6d3ddbf63721a1362530a382fbba5a0e0b34.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	qprocess.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	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

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

AutoIT Executable 3 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
C:\Users\Admin\AuthHostProxy\qprocess.exe	autoit_exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

78098846a197b5b8a1d18c8d63bb6d3ddbf63721a1362530a382fbba5a0e0b34.exeqprocess.exeqprocess.exe

description	pid	process	target process
PID 4204 set thread context of 4828	4204	78098846a197b5b8a1d18c8d63bb6d3ddbf63721a1362530a382fbba5a0e0b34.exe	RegAsm.exe
PID 3696 set thread context of 60	3696	qprocess.exe	RegAsm.exe
PID 616 set thread context of 4396	616	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 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

4560 schtasks.exe
1132 schtasks.exe
4692 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

RegAsm.exe

pid process

4828 RegAsm.exe
4828 RegAsm.exe
4828 RegAsm.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RegAsm.exe

pid process

4828 RegAsm.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegAsm.exe

description pid process

Token: SeDebugPrivilege 4828 RegAsm.exe

pid	process
4560	schtasks.exe
1132	schtasks.exe
4692	schtasks.exe

pid	process
4828	RegAsm.exe
4828	RegAsm.exe
4828	RegAsm.exe

pid	process
4828	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	4828	RegAsm.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

78098846a197b5b8a1d18c8d63bb6d3ddbf63721a1362530a382fbba5a0e0b34.exeqprocess.exeqprocess.exe

description	pid	process	target process
PID 4204 wrote to memory of 4828	4204	78098846a197b5b8a1d18c8d63bb6d3ddbf63721a1362530a382fbba5a0e0b34.exe	RegAsm.exe
PID 4204 wrote to memory of 4828	4204	78098846a197b5b8a1d18c8d63bb6d3ddbf63721a1362530a382fbba5a0e0b34.exe	RegAsm.exe
PID 4204 wrote to memory of 4828	4204	78098846a197b5b8a1d18c8d63bb6d3ddbf63721a1362530a382fbba5a0e0b34.exe	RegAsm.exe
PID 4204 wrote to memory of 4828	4204	78098846a197b5b8a1d18c8d63bb6d3ddbf63721a1362530a382fbba5a0e0b34.exe	RegAsm.exe
PID 4204 wrote to memory of 4828	4204	78098846a197b5b8a1d18c8d63bb6d3ddbf63721a1362530a382fbba5a0e0b34.exe	RegAsm.exe
PID 4204 wrote to memory of 4692	4204	78098846a197b5b8a1d18c8d63bb6d3ddbf63721a1362530a382fbba5a0e0b34.exe	schtasks.exe
PID 4204 wrote to memory of 4692	4204	78098846a197b5b8a1d18c8d63bb6d3ddbf63721a1362530a382fbba5a0e0b34.exe	schtasks.exe
PID 4204 wrote to memory of 4692	4204	78098846a197b5b8a1d18c8d63bb6d3ddbf63721a1362530a382fbba5a0e0b34.exe	schtasks.exe
PID 3696 wrote to memory of 60	3696	qprocess.exe	RegAsm.exe
PID 3696 wrote to memory of 60	3696	qprocess.exe	RegAsm.exe
PID 3696 wrote to memory of 60	3696	qprocess.exe	RegAsm.exe
PID 3696 wrote to memory of 60	3696	qprocess.exe	RegAsm.exe
PID 3696 wrote to memory of 60	3696	qprocess.exe	RegAsm.exe
PID 3696 wrote to memory of 4560	3696	qprocess.exe	schtasks.exe
PID 3696 wrote to memory of 4560	3696	qprocess.exe	schtasks.exe
PID 3696 wrote to memory of 4560	3696	qprocess.exe	schtasks.exe
PID 616 wrote to memory of 4396	616	qprocess.exe	RegAsm.exe
PID 616 wrote to memory of 4396	616	qprocess.exe	RegAsm.exe
PID 616 wrote to memory of 4396	616	qprocess.exe	RegAsm.exe
PID 616 wrote to memory of 4396	616	qprocess.exe	RegAsm.exe
PID 616 wrote to memory of 4396	616	qprocess.exe	RegAsm.exe
PID 616 wrote to memory of 1132	616	qprocess.exe	schtasks.exe
PID 616 wrote to memory of 1132	616	qprocess.exe	schtasks.exe
PID 616 wrote to memory of 1132	616	qprocess.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\78098846a197b5b8a1d18c8d63bb6d3ddbf63721a1362530a382fbba5a0e0b34.exe
"C:\Users\Admin\AppData\Local\Temp\78098846a197b5b8a1d18c8d63bb6d3ddbf63721a1362530a382fbba5a0e0b34.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4204

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:4828

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:4692

C:\Users\Admin\AuthHostProxy\qprocess.exe
C:\Users\Admin\AuthHostProxy\qprocess.exe
1⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3696

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
2⤵
PID:60

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:4560

C:\Users\Admin\AuthHostProxy\qprocess.exe
C:\Users\Admin\AuthHostProxy\qprocess.exe
1⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:616

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
2⤵
PID:4396

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:1132

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

Query Registry

1

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\RegAsm.exe.log
Filesize
496B

MD5
5b4789d01bb4d7483b71e1a35bce6a8b

SHA1
de083f2131c9a763c0d1810c97a38732146cffbf

SHA256
e248cef9500ed6e0c9f99d72a2a6a36955a5f0cfc0725748ef25a733cc8282f6

SHA512
357e18ef30430e4b9cc4f2569b9735b1cd12f934c83162e4de78ac29ba9703b63ddb624ccc22afd5a5868f6e9d91a3c64581846abac22e9625f5b2e3d80b3ede

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

MD5
4d0722defbb8a3f729bd0c7b9e44339e

SHA1
c74e896d288bcc6ed53e5ad7b6f1b3f40d3e8ce2

SHA256
ce6a85992da8f1df53973d0f8706ca30344fa4a2a914024b325611c25dd198d7

SHA512
479bdf7bd259d554c8c21619232e0cedfd5ca649389ff12ac2e6f7adcf77c83658aa3bece20edbd690d0f39cda5d535961c330d1fe38af9ca2408aa883daaf44

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

MD5
4d0722defbb8a3f729bd0c7b9e44339e

SHA1
c74e896d288bcc6ed53e5ad7b6f1b3f40d3e8ce2

SHA256
ce6a85992da8f1df53973d0f8706ca30344fa4a2a914024b325611c25dd198d7

SHA512
479bdf7bd259d554c8c21619232e0cedfd5ca649389ff12ac2e6f7adcf77c83658aa3bece20edbd690d0f39cda5d535961c330d1fe38af9ca2408aa883daaf44

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

MD5
4d0722defbb8a3f729bd0c7b9e44339e

SHA1
c74e896d288bcc6ed53e5ad7b6f1b3f40d3e8ce2

SHA256
ce6a85992da8f1df53973d0f8706ca30344fa4a2a914024b325611c25dd198d7

SHA512
479bdf7bd259d554c8c21619232e0cedfd5ca649389ff12ac2e6f7adcf77c83658aa3bece20edbd690d0f39cda5d535961c330d1fe38af9ca2408aa883daaf44

Download Submit
memory/60-144-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/60-143-0x0000000000000000-mapping.dmp

Download
memory/60-149-0x0000000073AC0000-0x0000000074071000-memory.dmp

Filesize
5.7MB

Download
memory/60-150-0x0000000073AC0000-0x0000000074071000-memory.dmp

Filesize
5.7MB

Download
memory/1132-162-0x0000000000000000-mapping.dmp

Download
memory/4396-160-0x0000000073AC0000-0x0000000074071000-memory.dmp

Filesize
5.7MB

Download
memory/4396-161-0x0000000073AC0000-0x0000000074071000-memory.dmp

Filesize
5.7MB

Download
memory/4396-153-0x0000000000000000-mapping.dmp

Download
memory/4560-151-0x0000000000000000-mapping.dmp

Download
memory/4692-140-0x0000000000000000-mapping.dmp

Download
memory/4828-132-0x0000000000000000-mapping.dmp

Download
memory/4828-133-0x0000000000500000-0x0000000000538000-memory.dmp

Filesize
224KB

Download
memory/4828-138-0x0000000073AC0000-0x0000000074071000-memory.dmp

Filesize
5.7MB

Download
memory/4828-139-0x0000000073AC0000-0x0000000074071000-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