nanocore | 6f87574f1f8a4350e1a6ee7dce9df292accc7bc2b5afde7023b7edeba9f6f7a6

General

Target

u1rC8zA7y9jIy7m.exe
Size

484KB
MD5

36af785975802188e113acbf8f2a65bc
SHA1

2a0ef4f08703228ffe99850f5e4c39f6e17903c8
SHA256

c1e95a6f558510abc5490b3c48c42b49b999d45ad187691c84d9d06473a16e7a
SHA512

5d8c444cf83c9c0d91adec5072d7e29030937e7526f5668b0c4f73fb7b6e9920d7e600239b74bd228015f7de4166a8452a772597e33d04408fda9ae6fde7efed

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

194.5.97.93:6033

chibuikeubachukwuka.ddns.net:6033

Mutex

a571dc91-a332-4c18-98ec-6d20c0b8d7ca

Attributes

activate_away_mode
true
backup_connection_host
chibuikeubachukwuka.ddns.net
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-05-19T09:34:09.096617536Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
false
clear_zone_identifier
true
connect_delay
4000
connection_port
6033
default_group
CHIBUIKE
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
a571dc91-a332-4c18-98ec-6d20c0b8d7ca
mutex_timeout
5000
prevent_system_sleep
true
primary_connection_host
194.5.97.93
primary_dns_server
8.8.8.8
request_elevation
true
restart_delay
5009
run_delay
0
run_on_startup
false
set_critical_process
false
timeout_interval
5008
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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

u1rC8zA7y9jIy7m.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\SCSI Subsystem = "C:\\Program Files (x86)\\SCSI Subsystem\\scsiss.exe"	u1rC8zA7y9jIy7m.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

u1rC8zA7y9jIy7m.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA u1rC8zA7y9jIy7m.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

u1rC8zA7y9jIy7m.exe

description pid process target process

PID 2584 set thread context of 4332 2584 u1rC8zA7y9jIy7m.exe u1rC8zA7y9jIy7m.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	u1rC8zA7y9jIy7m.exe

description	pid	process	target process
PID 2584 set thread context of 4332	2584	u1rC8zA7y9jIy7m.exe	u1rC8zA7y9jIy7m.exe

Drops file in Program Files directory 2 IoCs

Processes:

u1rC8zA7y9jIy7m.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\SCSI Subsystem\scsiss.exe	u1rC8zA7y9jIy7m.exe
File created	C:\Program Files (x86)\SCSI Subsystem\scsiss.exe	u1rC8zA7y9jIy7m.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

u1rC8zA7y9jIy7m.exe

pid process

4332 u1rC8zA7y9jIy7m.exe
4332 u1rC8zA7y9jIy7m.exe
4332 u1rC8zA7y9jIy7m.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

u1rC8zA7y9jIy7m.exe

pid process

4332 u1rC8zA7y9jIy7m.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

u1rC8zA7y9jIy7m.exe

description pid process

Token: SeDebugPrivilege 4332 u1rC8zA7y9jIy7m.exe
Token: SeDebugPrivilege 4332 u1rC8zA7y9jIy7m.exe

pid	process
4332	u1rC8zA7y9jIy7m.exe
4332	u1rC8zA7y9jIy7m.exe
4332	u1rC8zA7y9jIy7m.exe

pid	process
4332	u1rC8zA7y9jIy7m.exe

description	pid	process
Token: SeDebugPrivilege	4332	u1rC8zA7y9jIy7m.exe
Token: SeDebugPrivilege	4332	u1rC8zA7y9jIy7m.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

u1rC8zA7y9jIy7m.exe

description	pid	process	target process
PID 2584 wrote to memory of 4332	2584	u1rC8zA7y9jIy7m.exe	u1rC8zA7y9jIy7m.exe
PID 2584 wrote to memory of 4332	2584	u1rC8zA7y9jIy7m.exe	u1rC8zA7y9jIy7m.exe
PID 2584 wrote to memory of 4332	2584	u1rC8zA7y9jIy7m.exe	u1rC8zA7y9jIy7m.exe
PID 2584 wrote to memory of 4332	2584	u1rC8zA7y9jIy7m.exe	u1rC8zA7y9jIy7m.exe
PID 2584 wrote to memory of 4332	2584	u1rC8zA7y9jIy7m.exe	u1rC8zA7y9jIy7m.exe
PID 2584 wrote to memory of 4332	2584	u1rC8zA7y9jIy7m.exe	u1rC8zA7y9jIy7m.exe
PID 2584 wrote to memory of 4332	2584	u1rC8zA7y9jIy7m.exe	u1rC8zA7y9jIy7m.exe
PID 2584 wrote to memory of 4332	2584	u1rC8zA7y9jIy7m.exe	u1rC8zA7y9jIy7m.exe

C:\Users\Admin\AppData\Local\Temp\u1rC8zA7y9jIy7m.exe
"C:\Users\Admin\AppData\Local\Temp\u1rC8zA7y9jIy7m.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2584

C:\Users\Admin\AppData\Local\Temp\u1rC8zA7y9jIy7m.exe
"C:\Users\Admin\AppData\Local\Temp\u1rC8zA7y9jIy7m.exe"
2⤵
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:4332

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\u1rC8zA7y9jIy7m.exe.log
Filesize
1KB

MD5
17573558c4e714f606f997e5157afaac

SHA1
13e16e9415ceef429aaf124139671ebeca09ed23

SHA256
c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

SHA512
f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

Download Submit
memory/2584-130-0x0000000000410000-0x0000000000490000-memory.dmp

Filesize
512KB

Download
memory/2584-131-0x0000000004D40000-0x0000000004DDC000-memory.dmp

Filesize
624KB

Download
memory/2584-132-0x0000000005390000-0x0000000005934000-memory.dmp

Filesize
5.6MB

Download
memory/2584-133-0x0000000004DE0000-0x0000000004E72000-memory.dmp

Filesize
584KB

Download
memory/2584-134-0x0000000004CE0000-0x0000000004CEA000-memory.dmp

Filesize
40KB

Download
memory/2584-135-0x0000000005040000-0x0000000005096000-memory.dmp

Filesize
344KB

Download
memory/4332-136-0x0000000000000000-mapping.dmp

Download
memory/4332-137-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads