nanocore | 8b1733372859ca38e68f6041f34097604546024ff22d9151bb985e6fc173093b

General

Target

VendettaFINAL.exe
Size

552KB
MD5

49fb7a401e3e3aec30bc4ef9f38a9db8
SHA1

594efdc82fb2d73fe234e98d5d1cf6d71571d5ab
SHA256

8b1733372859ca38e68f6041f34097604546024ff22d9151bb985e6fc173093b
SHA512

51a1345a7708c92bd8a61d9a7e0f63c8a46d48f9ce2b74d204a3b191b6bc6d27f2fb16cc69021a33521632d540c43c7b6af1539e2257f4d8992b07a31fa02c8b
SSDEEP

12288:ULV6BtpmkEpVzCkqNaYrVMuAGyNw1Dtf5fOChGow8cwG4Tj:mApfuzCJIYuuh1pf5fSNNt4Tj

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

ReySec-43171.portmap.host:43171

Mutex

1878dd65-c785-4b5a-b3cf-7789155714a3

Attributes

activate_away_mode
true
backup_connection_host
ReySec-43171.portmap.host
backup_dns_server
buffer_size
1.048576e+07
build_time
2023-01-02T22:23:24.695989036Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
false
clear_zone_identifier
false
connect_delay
1500
connection_port
43171
default_group
Vendetta
enable_debug_mode
true
gc_threshold
1.048576e+08
keep_alive_timeout
45000
keyboard_logging
false
lan_timeout
2500
max_packet_size
1.048576e+09
mutex
1878dd65-c785-4b5a-b3cf-7789155714a3
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
ReySec-43171.portmap.host
primary_dns_server
request_elevation
false
restart_delay
2500
run_delay
0
run_on_startup
false
set_critical_process
false
timeout_interval
15000
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:

VendettaFINAL.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SAAS Monitor = "C:\\Program Files\\SAAS Monitor\\saasmon.exe"	VendettaFINAL.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

VendettaFINAL.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA VendettaFINAL.exe

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

Drops file in Program Files directory 2 IoCs

Processes:

VendettaFINAL.exe

description	ioc	process
File created	C:\Program Files\SAAS Monitor\saasmon.exe	VendettaFINAL.exe
File opened for modification	C:\Program Files\SAAS Monitor\saasmon.exe	VendettaFINAL.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

VendettaFINAL.exe

pid process

5092 VendettaFINAL.exe
5092 VendettaFINAL.exe
5092 VendettaFINAL.exe
5092 VendettaFINAL.exe
5092 VendettaFINAL.exe
5092 VendettaFINAL.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

VendettaFINAL.exe

pid process

5092 VendettaFINAL.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

VendettaFINAL.exe

description pid process

Token: SeDebugPrivilege 5092 VendettaFINAL.exe
Token: SeDebugPrivilege 5092 VendettaFINAL.exe

pid	process
5092	VendettaFINAL.exe
5092	VendettaFINAL.exe
5092	VendettaFINAL.exe
5092	VendettaFINAL.exe
5092	VendettaFINAL.exe
5092	VendettaFINAL.exe

pid	process
5092	VendettaFINAL.exe

description	pid	process
Token: SeDebugPrivilege	5092	VendettaFINAL.exe
Token: SeDebugPrivilege	5092	VendettaFINAL.exe

C:\Users\Admin\AppData\Local\Temp\VendettaFINAL.exe
"C:\Users\Admin\AppData\Local\Temp\VendettaFINAL.exe"
1⤵
- 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:5092

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

Replay Monitor

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Downloads

memory/5092-133-0x00000000003A0000-0x0000000000430000-memory.dmp

Filesize
576KB

Download
memory/5092-134-0x0000000000B00000-0x0000000000B10000-memory.dmp

Filesize
64KB

Download
memory/5092-135-0x000000001BAF0000-0x000000001BFBE000-memory.dmp

Filesize
4.8MB

Download
memory/5092-136-0x0000000000C30000-0x0000000000CCC000-memory.dmp

Filesize
624KB

Download
memory/5092-137-0x000000001BFC0000-0x000000001C066000-memory.dmp

Filesize
664KB

Download
memory/5092-138-0x00000000010A0000-0x00000000010A8000-memory.dmp

Filesize
32KB

Download
memory/5092-139-0x0000000000B00000-0x0000000000B10000-memory.dmp

Filesize
64KB

Download
memory/5092-142-0x000000001C6F0000-0x000000001C6FA000-memory.dmp

Filesize
40KB

Download
memory/5092-143-0x0000000000CF0000-0x0000000000D02000-memory.dmp

Filesize
72KB

Download
memory/5092-144-0x000000001C900000-0x000000001C91A000-memory.dmp

Filesize
104KB

Download
memory/5092-145-0x000000001C220000-0x000000001C22E000-memory.dmp

Filesize
56KB

Download
memory/5092-146-0x000000001C280000-0x000000001C292000-memory.dmp

Filesize
72KB

Download
memory/5092-147-0x000000001CA30000-0x000000001CA3C000-memory.dmp

Filesize
48KB

Download
memory/5092-148-0x000000001CA40000-0x000000001CA4E000-memory.dmp

Filesize
56KB

Download
memory/5092-149-0x000000001CA50000-0x000000001CA64000-memory.dmp

Filesize
80KB

Download
memory/5092-150-0x00000000010C0000-0x00000000010D0000-memory.dmp

Filesize
64KB

Download
memory/5092-151-0x000000001C070000-0x000000001C084000-memory.dmp

Filesize
80KB

Download
memory/5092-152-0x000000001C090000-0x000000001C09E000-memory.dmp

Filesize
56KB

Download
memory/5092-153-0x000000001CA60000-0x000000001CA7E000-memory.dmp

Filesize
120KB

Download
memory/5092-154-0x000000001CA90000-0x000000001CA9A000-memory.dmp

Filesize
40KB

Download
memory/5092-155-0x000000001CAB0000-0x000000001CADE000-memory.dmp

Filesize
184KB

Download
memory/5092-156-0x000000001CAE0000-0x000000001CAF4000-memory.dmp

Filesize
80KB

Download
memory/5092-157-0x000000001C490000-0x000000001C590000-memory.dmp

Filesize
1024KB

Download
memory/5092-158-0x000000001C490000-0x000000001C590000-memory.dmp

Filesize
1024KB

Download
memory/5092-159-0x000000001C490000-0x000000001C590000-memory.dmp

Filesize
1024KB

Download
memory/5092-160-0x0000000000B00000-0x0000000000B10000-memory.dmp

Filesize
64KB

Download
memory/5092-161-0x0000000000B00000-0x0000000000B10000-memory.dmp

Filesize
64KB

Download
memory/5092-162-0x000000001C490000-0x000000001C590000-memory.dmp

Filesize
1024KB

Download
memory/5092-163-0x000000001C490000-0x000000001C590000-memory.dmp

Filesize
1024KB

Download
memory/5092-164-0x000000001C490000-0x000000001C590000-memory.dmp

Filesize
1024KB

Download

Analysis

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