nanocore | 0b0f0193b45a1178ecbc00c07c2b985adec07d21a03d7d4fafd3bf8d53aa7558

General

Target

0b0f0193b45a1178ecbc00c07c2b985adec07d21a03d7d4fafd3bf8d53aa7558.exe
Size

279KB
MD5

ad43da66d700517a190142ebdb90dc94
SHA1

4e89407dd9771209487d8348167ae44bcfb69c7e
SHA256

0b0f0193b45a1178ecbc00c07c2b985adec07d21a03d7d4fafd3bf8d53aa7558
SHA512

38cd117622435c0fd0bc6ed424e862715bad8c78a5cc07ca6c58ff2b00f4cedc22bd004d52122ccb1f3c94efc2183577bfa59caabe95355cafe649e949f1c92e
SSDEEP

6144:boy5p178U0MURaGyNXYWQzHazRfXrwSRnWwhrQ66fKi:boSeGUA5YZazpXUmZhZ6Si

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

2608 a1punf5t2of.exe
2960 a1punf5t2of.exe
Loads dropped DLL 2 IoCs

Processes:

0b0f0193b45a1178ecbc00c07c2b985adec07d21a03d7d4fafd3bf8d53aa7558.exea1punf5t2of.exe

pid process

1588 0b0f0193b45a1178ecbc00c07c2b985adec07d21a03d7d4fafd3bf8d53aa7558.exe
2608 a1punf5t2of.exe

pid	process
2608	a1punf5t2of.exe
2960	a1punf5t2of.exe

pid	process
1588	0b0f0193b45a1178ecbc00c07c2b985adec07d21a03d7d4fafd3bf8d53aa7558.exe
2608	a1punf5t2of.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

0b0f0193b45a1178ecbc00c07c2b985adec07d21a03d7d4fafd3bf8d53aa7558.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"	0b0f0193b45a1178ecbc00c07c2b985adec07d21a03d7d4fafd3bf8d53aa7558.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 2608 set thread context of 2960 2608 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

2960 a1punf5t2of.exe
2960 a1punf5t2of.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

a1punf5t2of.exe

pid process

2960 a1punf5t2of.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

a1punf5t2of.exe

description pid process

Token: SeDebugPrivilege 2960 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 2608 set thread context of 2960	2608	a1punf5t2of.exe	a1punf5t2of.exe

pid	process
2960	a1punf5t2of.exe
2960	a1punf5t2of.exe

pid	process
2960	a1punf5t2of.exe

description	pid	process
Token: SeDebugPrivilege	2960	a1punf5t2of.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

0b0f0193b45a1178ecbc00c07c2b985adec07d21a03d7d4fafd3bf8d53aa7558.exea1punf5t2of.exe

description	pid	process	target process
PID 1588 wrote to memory of 2608	1588	0b0f0193b45a1178ecbc00c07c2b985adec07d21a03d7d4fafd3bf8d53aa7558.exe	a1punf5t2of.exe
PID 1588 wrote to memory of 2608	1588	0b0f0193b45a1178ecbc00c07c2b985adec07d21a03d7d4fafd3bf8d53aa7558.exe	a1punf5t2of.exe
PID 1588 wrote to memory of 2608	1588	0b0f0193b45a1178ecbc00c07c2b985adec07d21a03d7d4fafd3bf8d53aa7558.exe	a1punf5t2of.exe
PID 1588 wrote to memory of 2608	1588	0b0f0193b45a1178ecbc00c07c2b985adec07d21a03d7d4fafd3bf8d53aa7558.exe	a1punf5t2of.exe
PID 1588 wrote to memory of 2608	1588	0b0f0193b45a1178ecbc00c07c2b985adec07d21a03d7d4fafd3bf8d53aa7558.exe	a1punf5t2of.exe
PID 1588 wrote to memory of 2608	1588	0b0f0193b45a1178ecbc00c07c2b985adec07d21a03d7d4fafd3bf8d53aa7558.exe	a1punf5t2of.exe
PID 1588 wrote to memory of 2608	1588	0b0f0193b45a1178ecbc00c07c2b985adec07d21a03d7d4fafd3bf8d53aa7558.exe	a1punf5t2of.exe
PID 2608 wrote to memory of 2960	2608	a1punf5t2of.exe	a1punf5t2of.exe
PID 2608 wrote to memory of 2960	2608	a1punf5t2of.exe	a1punf5t2of.exe
PID 2608 wrote to memory of 2960	2608	a1punf5t2of.exe	a1punf5t2of.exe
PID 2608 wrote to memory of 2960	2608	a1punf5t2of.exe	a1punf5t2of.exe
PID 2608 wrote to memory of 2960	2608	a1punf5t2of.exe	a1punf5t2of.exe
PID 2608 wrote to memory of 2960	2608	a1punf5t2of.exe	a1punf5t2of.exe
PID 2608 wrote to memory of 2960	2608	a1punf5t2of.exe	a1punf5t2of.exe
PID 2608 wrote to memory of 2960	2608	a1punf5t2of.exe	a1punf5t2of.exe
PID 2608 wrote to memory of 2960	2608	a1punf5t2of.exe	a1punf5t2of.exe
PID 2608 wrote to memory of 2960	2608	a1punf5t2of.exe	a1punf5t2of.exe
PID 2608 wrote to memory of 2960	2608	a1punf5t2of.exe	a1punf5t2of.exe
PID 2608 wrote to memory of 2960	2608	a1punf5t2of.exe	a1punf5t2of.exe

C:\Users\Admin\AppData\Local\Temp\0b0f0193b45a1178ecbc00c07c2b985adec07d21a03d7d4fafd3bf8d53aa7558.exe
"C:\Users\Admin\AppData\Local\Temp\0b0f0193b45a1178ecbc00c07c2b985adec07d21a03d7d4fafd3bf8d53aa7558.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1588

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:2608

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:2960

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
0e2ab4ca0daebb0e31ab32a0c7af4015

SHA1
38ca3a046f0508b99eefae18cb2aa3d6bb52b12c

SHA256
f4c2e91340e8fd6f28307a2b222362c606fac95842bfc5d1d610b313dde62ee0

SHA512
7017e0d6b49a42f39885080e1fb866a79b8eb9a60d3fbf466f4cf5add4ed933d18d1b9c49f0e9b72e60c5ab2ce622d4f8c1cb0617870d3d035ac6299d2c3f1a8

Download Submit
memory/1588-13-0x0000000074EB0000-0x000000007545B000-memory.dmp

Filesize
5.7MB

Download
memory/1588-1-0x0000000074EB0000-0x000000007545B000-memory.dmp

Filesize
5.7MB

Download
memory/1588-2-0x0000000074EB0000-0x000000007545B000-memory.dmp

Filesize
5.7MB

Download
memory/1588-3-0x0000000074EB0000-0x000000007545B000-memory.dmp

Filesize
5.7MB

Download
memory/1588-0-0x0000000074EB1000-0x0000000074EB2000-memory.dmp

Filesize
4KB

Download
memory/2608-15-0x0000000074EB0000-0x000000007545B000-memory.dmp

Filesize
5.7MB

Download
memory/2608-14-0x0000000074EB0000-0x000000007545B000-memory.dmp

Filesize
5.7MB

Download
memory/2608-12-0x0000000074EB0000-0x000000007545B000-memory.dmp

Filesize
5.7MB

Download
memory/2608-32-0x0000000074EB0000-0x000000007545B000-memory.dmp

Filesize
5.7MB

Download
memory/2608-33-0x0000000074EB0000-0x000000007545B000-memory.dmp

Filesize
5.7MB

Download
memory/2960-19-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2960-18-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2960-17-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2960-30-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2960-29-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2960-24-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2960-23-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2960-21-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads