nanocore | 31adf61f5030afa2cae1f349a12b3a757dbdd21f800c53d2679523cbfd100a96

General

Target

31adf61f5030afa2cae1f349a12b3a757dbdd21f800c53d2679523cbfd100a96.exe
Size

279KB
MD5

2a06e8c44df8886ef0908d9cab39535c
SHA1

3526957bc6ff88e82346e777d6f1760f8d566187
SHA256

31adf61f5030afa2cae1f349a12b3a757dbdd21f800c53d2679523cbfd100a96
SHA512

362763e784824312999262eb24f27e144e9e246e18060c19114c1a2543f7109bb1db2185cd4aadbed50d5a5401fdcd41da73f8d57360966f20d0adfac1d2360b
SSDEEP

6144:boy5p178U0MURaGyNXYWQzHazRfXrwSRnWwhrQ66fKK:boSeGUA5YZazpXUmZhZ6SK

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

sysupdate24.ddns.net:45400

Mutex

ae82ab7f-db07-49ee-9d2b-76075d76f37f

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
buffer_size
65535
build_time
2020-04-24T17:41:53.492468936Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
45400
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
ae82ab7f-db07-49ee-9d2b-76075d76f37f
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
sysupdate24.ddns.net
primary_dns_server
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:

a1punf5t2of.exea1punf5t2of.exe

pid process

2592 a1punf5t2of.exe
1424 a1punf5t2of.exe
Loads dropped DLL 2 IoCs

Processes:

31adf61f5030afa2cae1f349a12b3a757dbdd21f800c53d2679523cbfd100a96.exea1punf5t2of.exe

pid process

2104 31adf61f5030afa2cae1f349a12b3a757dbdd21f800c53d2679523cbfd100a96.exe
2592 a1punf5t2of.exe

pid	process
2592	a1punf5t2of.exe
1424	a1punf5t2of.exe

pid	process
2104	31adf61f5030afa2cae1f349a12b3a757dbdd21f800c53d2679523cbfd100a96.exe
2592	a1punf5t2of.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

31adf61f5030afa2cae1f349a12b3a757dbdd21f800c53d2679523cbfd100a96.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Run\b1b2dqljdx3 = "C:\\Users\\Admin\\AppData\\Roaming\\b1b2dqljdx3\\a1punf5t2of.exe"	31adf61f5030afa2cae1f349a12b3a757dbdd21f800c53d2679523cbfd100a96.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

a1punf5t2of.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA a1punf5t2of.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

a1punf5t2of.exe

description pid process target process

PID 2592 set thread context of 1424 2592 a1punf5t2of.exe a1punf5t2of.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

a1punf5t2of.exe

pid process

1424 a1punf5t2of.exe
1424 a1punf5t2of.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

a1punf5t2of.exe

pid process

1424 a1punf5t2of.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

a1punf5t2of.exe

description pid process

Token: SeDebugPrivilege 1424 a1punf5t2of.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	a1punf5t2of.exe

description	pid	process	target process
PID 2592 set thread context of 1424	2592	a1punf5t2of.exe	a1punf5t2of.exe

pid	process
1424	a1punf5t2of.exe
1424	a1punf5t2of.exe

pid	process
1424	a1punf5t2of.exe

description	pid	process
Token: SeDebugPrivilege	1424	a1punf5t2of.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

31adf61f5030afa2cae1f349a12b3a757dbdd21f800c53d2679523cbfd100a96.exea1punf5t2of.exe

description	pid	process	target process
PID 2104 wrote to memory of 2592	2104	31adf61f5030afa2cae1f349a12b3a757dbdd21f800c53d2679523cbfd100a96.exe	a1punf5t2of.exe
PID 2104 wrote to memory of 2592	2104	31adf61f5030afa2cae1f349a12b3a757dbdd21f800c53d2679523cbfd100a96.exe	a1punf5t2of.exe
PID 2104 wrote to memory of 2592	2104	31adf61f5030afa2cae1f349a12b3a757dbdd21f800c53d2679523cbfd100a96.exe	a1punf5t2of.exe
PID 2104 wrote to memory of 2592	2104	31adf61f5030afa2cae1f349a12b3a757dbdd21f800c53d2679523cbfd100a96.exe	a1punf5t2of.exe
PID 2104 wrote to memory of 2592	2104	31adf61f5030afa2cae1f349a12b3a757dbdd21f800c53d2679523cbfd100a96.exe	a1punf5t2of.exe
PID 2104 wrote to memory of 2592	2104	31adf61f5030afa2cae1f349a12b3a757dbdd21f800c53d2679523cbfd100a96.exe	a1punf5t2of.exe
PID 2104 wrote to memory of 2592	2104	31adf61f5030afa2cae1f349a12b3a757dbdd21f800c53d2679523cbfd100a96.exe	a1punf5t2of.exe
PID 2592 wrote to memory of 1424	2592	a1punf5t2of.exe	a1punf5t2of.exe
PID 2592 wrote to memory of 1424	2592	a1punf5t2of.exe	a1punf5t2of.exe
PID 2592 wrote to memory of 1424	2592	a1punf5t2of.exe	a1punf5t2of.exe
PID 2592 wrote to memory of 1424	2592	a1punf5t2of.exe	a1punf5t2of.exe
PID 2592 wrote to memory of 1424	2592	a1punf5t2of.exe	a1punf5t2of.exe
PID 2592 wrote to memory of 1424	2592	a1punf5t2of.exe	a1punf5t2of.exe
PID 2592 wrote to memory of 1424	2592	a1punf5t2of.exe	a1punf5t2of.exe
PID 2592 wrote to memory of 1424	2592	a1punf5t2of.exe	a1punf5t2of.exe
PID 2592 wrote to memory of 1424	2592	a1punf5t2of.exe	a1punf5t2of.exe
PID 2592 wrote to memory of 1424	2592	a1punf5t2of.exe	a1punf5t2of.exe
PID 2592 wrote to memory of 1424	2592	a1punf5t2of.exe	a1punf5t2of.exe
PID 2592 wrote to memory of 1424	2592	a1punf5t2of.exe	a1punf5t2of.exe

C:\Users\Admin\AppData\Local\Temp\31adf61f5030afa2cae1f349a12b3a757dbdd21f800c53d2679523cbfd100a96.exe
"C:\Users\Admin\AppData\Local\Temp\31adf61f5030afa2cae1f349a12b3a757dbdd21f800c53d2679523cbfd100a96.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2104

C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
"C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2592

C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
"C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"
3⤵
- Executes dropped EXE
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:1424

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
Filesize
279KB

MD5
1e733596e1091878d371bd104a1e3c9d

SHA1
0738c8fb57ed6c2310f85028aa39583a20933f2c

SHA256
7e0283e55058b483566d30d543a4857c0d94baa43b55722a524e3fe70a23f97d

SHA512
3640c8e522a06a98fedb71c0915cc64510d567ae96550a7a887c2c03e6bc44153ca0a74445c58d797a36386144ee7de5cf9e1e52335fca0a759a7c85a6a36f1c

Download Submit
memory/1424-21-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1424-35-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1424-19-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1424-24-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1424-17-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1424-27-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1424-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1424-33-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2104-12-0x0000000074B40000-0x00000000750EB000-memory.dmp

Filesize
5.7MB

Download
memory/2104-2-0x0000000074B40000-0x00000000750EB000-memory.dmp

Filesize
5.7MB

Download
memory/2104-0-0x0000000074B41000-0x0000000074B42000-memory.dmp

Filesize
4KB

Download
memory/2104-3-0x0000000074B40000-0x00000000750EB000-memory.dmp

Filesize
5.7MB

Download
memory/2104-1-0x0000000074B40000-0x00000000750EB000-memory.dmp

Filesize
5.7MB

Download
memory/2592-15-0x0000000074B40000-0x00000000750EB000-memory.dmp

Filesize
5.7MB

Download
memory/2592-13-0x0000000074B40000-0x00000000750EB000-memory.dmp

Filesize
5.7MB

Download
memory/2592-14-0x0000000074B40000-0x00000000750EB000-memory.dmp

Filesize
5.7MB

Download
memory/2592-37-0x0000000074B40000-0x00000000750EB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads