nanocore | f7f2b45107dcf33016370d4c000a628ac58b91441fd7da9d5bce273d177aa8f3

General

Target

f7f2b45107dcf33016370d4c000a628ac58b91441fd7da9d5bce273d177aa8f3.exe
Size

224KB
MD5

4f8c9650eee8cb737779d54454d5f62d
SHA1

7c11abcde7ead3d8364ec8051a839716522f8768
SHA256

f7f2b45107dcf33016370d4c000a628ac58b91441fd7da9d5bce273d177aa8f3
SHA512

f96ef278eaa455876835ad2a6242cd20e0dfff3ecb7775dc7c15c59c253d6fc9c6ce0942451e46498e2f89752a26608ce398bf6073fee51e2694d4eacb9aeaa0
SSDEEP

6144:ETaS8Se9rLHMJ/U0a9izDrd+yMgR3+STrrrwUKxO:EDNe9rLe/COc1gR3PrhKxO

Score

10^/10

nanocore evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.2

C2

nanoevo.ddns.net:56875

127.0.0.1:56875

Mutex

45077298-f770-416e-ba23-4948f9ff026b

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2015-05-01T11:50:32.020807736Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
56875
default_group
OZO
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
45077298-f770-416e-ba23-4948f9ff026b
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
nanoevo.ddns.net
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
1.2.2.2
wan_timeout
8000

Signatures

NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
keylogger trojan stealer spyware nanocore

Drops startup file 1 IoCs

Processes:

f7f2b45107dcf33016370d4c000a628ac58b91441fd7da9d5bce273d177aa8f3.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\wnz68mk.lnk	f7f2b45107dcf33016370d4c000a628ac58b91441fd7da9d5bce273d177aa8f3.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

f7f2b45107dcf33016370d4c000a628ac58b91441fd7da9d5bce273d177aa8f3.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	f7f2b45107dcf33016370d4c000a628ac58b91441fd7da9d5bce273d177aa8f3.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

f7f2b45107dcf33016370d4c000a628ac58b91441fd7da9d5bce273d177aa8f3.exe

description	pid	process	target process
PID 4644 set thread context of 4012	4644	f7f2b45107dcf33016370d4c000a628ac58b91441fd7da9d5bce273d177aa8f3.exe	f7f2b45107dcf33016370d4c000a628ac58b91441fd7da9d5bce273d177aa8f3.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

f7f2b45107dcf33016370d4c000a628ac58b91441fd7da9d5bce273d177aa8f3.exe

pid	process
4012	f7f2b45107dcf33016370d4c000a628ac58b91441fd7da9d5bce273d177aa8f3.exe
4012	f7f2b45107dcf33016370d4c000a628ac58b91441fd7da9d5bce273d177aa8f3.exe
4012	f7f2b45107dcf33016370d4c000a628ac58b91441fd7da9d5bce273d177aa8f3.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

f7f2b45107dcf33016370d4c000a628ac58b91441fd7da9d5bce273d177aa8f3.exe

pid process

4012 f7f2b45107dcf33016370d4c000a628ac58b91441fd7da9d5bce273d177aa8f3.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

f7f2b45107dcf33016370d4c000a628ac58b91441fd7da9d5bce273d177aa8f3.exe

description pid process

Token: SeDebugPrivilege 4012 f7f2b45107dcf33016370d4c000a628ac58b91441fd7da9d5bce273d177aa8f3.exe

description	pid	process
Token: SeDebugPrivilege	4012	f7f2b45107dcf33016370d4c000a628ac58b91441fd7da9d5bce273d177aa8f3.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

f7f2b45107dcf33016370d4c000a628ac58b91441fd7da9d5bce273d177aa8f3.exe

description	pid	process	target process
PID 4644 wrote to memory of 4012	4644	f7f2b45107dcf33016370d4c000a628ac58b91441fd7da9d5bce273d177aa8f3.exe	f7f2b45107dcf33016370d4c000a628ac58b91441fd7da9d5bce273d177aa8f3.exe
PID 4644 wrote to memory of 4012	4644	f7f2b45107dcf33016370d4c000a628ac58b91441fd7da9d5bce273d177aa8f3.exe	f7f2b45107dcf33016370d4c000a628ac58b91441fd7da9d5bce273d177aa8f3.exe
PID 4644 wrote to memory of 4012	4644	f7f2b45107dcf33016370d4c000a628ac58b91441fd7da9d5bce273d177aa8f3.exe	f7f2b45107dcf33016370d4c000a628ac58b91441fd7da9d5bce273d177aa8f3.exe
PID 4644 wrote to memory of 4012	4644	f7f2b45107dcf33016370d4c000a628ac58b91441fd7da9d5bce273d177aa8f3.exe	f7f2b45107dcf33016370d4c000a628ac58b91441fd7da9d5bce273d177aa8f3.exe
PID 4644 wrote to memory of 4012	4644	f7f2b45107dcf33016370d4c000a628ac58b91441fd7da9d5bce273d177aa8f3.exe	f7f2b45107dcf33016370d4c000a628ac58b91441fd7da9d5bce273d177aa8f3.exe
PID 4644 wrote to memory of 4012	4644	f7f2b45107dcf33016370d4c000a628ac58b91441fd7da9d5bce273d177aa8f3.exe	f7f2b45107dcf33016370d4c000a628ac58b91441fd7da9d5bce273d177aa8f3.exe
PID 4644 wrote to memory of 4012	4644	f7f2b45107dcf33016370d4c000a628ac58b91441fd7da9d5bce273d177aa8f3.exe	f7f2b45107dcf33016370d4c000a628ac58b91441fd7da9d5bce273d177aa8f3.exe
PID 4644 wrote to memory of 4012	4644	f7f2b45107dcf33016370d4c000a628ac58b91441fd7da9d5bce273d177aa8f3.exe	f7f2b45107dcf33016370d4c000a628ac58b91441fd7da9d5bce273d177aa8f3.exe

C:\Users\Admin\AppData\Local\Temp\f7f2b45107dcf33016370d4c000a628ac58b91441fd7da9d5bce273d177aa8f3.exe
"C:\Users\Admin\AppData\Local\Temp\f7f2b45107dcf33016370d4c000a628ac58b91441fd7da9d5bce273d177aa8f3.exe"
1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4644

C:\Users\Admin\AppData\Local\Temp\f7f2b45107dcf33016370d4c000a628ac58b91441fd7da9d5bce273d177aa8f3.exe
"C:\Users\Admin\AppData\Local\Temp\f7f2b45107dcf33016370d4c000a628ac58b91441fd7da9d5bce273d177aa8f3.exe"
2⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:4012

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4012-137-0x0000000000000000-mapping.dmp

Download
memory/4012-138-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4012-139-0x00000000750E0000-0x0000000075691000-memory.dmp

Filesize
5.7MB

Download
memory/4012-141-0x00000000750E0000-0x0000000075691000-memory.dmp

Filesize
5.7MB

Download
memory/4644-135-0x00000000750E0000-0x0000000075691000-memory.dmp

Filesize
5.7MB

Download
memory/4644-136-0x00000000750E0000-0x0000000075691000-memory.dmp

Filesize
5.7MB

Download
memory/4644-140-0x00000000750E0000-0x0000000075691000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads