nanocore | d96270f6bb0efd49003e83412063f8d86b98fa72093d37a3d5c641350d77b85a

General

Target

L7R2ARlG55CWmzK.exe
Size

680KB
MD5

551435788514a164a546496ca618003d
SHA1

04cbb0838a4150748bfe64e1c1d95ddf555fdcca
SHA256

d96270f6bb0efd49003e83412063f8d86b98fa72093d37a3d5c641350d77b85a
SHA512

a980e94aaff1d98177cc8bad5deb26c8433604b962a02b315c789bb6bbb0d4ae2fa052014778e88e2549082ba9568f4c9ed070054fcc6bb3d6962f030b70bd00
SSDEEP

12288:D8lh7Vqy2Q7JEP3gDgJWvi3yA8yZvHRffDEpfsAIHnK:FxQu3gDoWoO4ZEpfsAkn

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

194.5.98.156:12094

Mutex

b5a74077-32bc-418d-b7a6-6ac93b76f33f

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2022-08-06T22:41:35.918511336Z
bypass_user_account_control
false
bypass_user_account_control_data
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
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
12094
default_group
UCHE FILE
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
b5a74077-32bc-418d-b7a6-6ac93b76f33f
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
194.5.98.156
primary_dns_server
8.8.8.8
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
false
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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

L7R2ARlG55CWmzK.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\AGP Monitor = "C:\\Program Files (x86)\\AGP Monitor\\agpmon.exe"	L7R2ARlG55CWmzK.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

L7R2ARlG55CWmzK.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA L7R2ARlG55CWmzK.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

L7R2ARlG55CWmzK.exe

description pid process target process

PID 1328 set thread context of 4084 1328 L7R2ARlG55CWmzK.exe L7R2ARlG55CWmzK.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	L7R2ARlG55CWmzK.exe

description	pid	process	target process
PID 1328 set thread context of 4084	1328	L7R2ARlG55CWmzK.exe	L7R2ARlG55CWmzK.exe

Drops file in Program Files directory 2 IoCs

Processes:

L7R2ARlG55CWmzK.exe

description	ioc	process
File created	C:\Program Files (x86)\AGP Monitor\agpmon.exe	L7R2ARlG55CWmzK.exe
File opened for modification	C:\Program Files (x86)\AGP Monitor\agpmon.exe	L7R2ARlG55CWmzK.exe

Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exe

pid process

4788 schtasks.exe
1048 schtasks.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

L7R2ARlG55CWmzK.exe

pid process

4084 L7R2ARlG55CWmzK.exe
4084 L7R2ARlG55CWmzK.exe
4084 L7R2ARlG55CWmzK.exe
4084 L7R2ARlG55CWmzK.exe
4084 L7R2ARlG55CWmzK.exe
4084 L7R2ARlG55CWmzK.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

L7R2ARlG55CWmzK.exe

pid process

4084 L7R2ARlG55CWmzK.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

L7R2ARlG55CWmzK.exe

description pid process

Token: SeDebugPrivilege 4084 L7R2ARlG55CWmzK.exe

pid	process
4788	schtasks.exe
1048	schtasks.exe

pid	process
4084	L7R2ARlG55CWmzK.exe
4084	L7R2ARlG55CWmzK.exe
4084	L7R2ARlG55CWmzK.exe
4084	L7R2ARlG55CWmzK.exe
4084	L7R2ARlG55CWmzK.exe
4084	L7R2ARlG55CWmzK.exe

pid	process
4084	L7R2ARlG55CWmzK.exe

description	pid	process
Token: SeDebugPrivilege	4084	L7R2ARlG55CWmzK.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

L7R2ARlG55CWmzK.exeL7R2ARlG55CWmzK.exe

description	pid	process	target process
PID 1328 wrote to memory of 4084	1328	L7R2ARlG55CWmzK.exe	L7R2ARlG55CWmzK.exe
PID 1328 wrote to memory of 4084	1328	L7R2ARlG55CWmzK.exe	L7R2ARlG55CWmzK.exe
PID 1328 wrote to memory of 4084	1328	L7R2ARlG55CWmzK.exe	L7R2ARlG55CWmzK.exe
PID 1328 wrote to memory of 4084	1328	L7R2ARlG55CWmzK.exe	L7R2ARlG55CWmzK.exe
PID 1328 wrote to memory of 4084	1328	L7R2ARlG55CWmzK.exe	L7R2ARlG55CWmzK.exe
PID 1328 wrote to memory of 4084	1328	L7R2ARlG55CWmzK.exe	L7R2ARlG55CWmzK.exe
PID 1328 wrote to memory of 4084	1328	L7R2ARlG55CWmzK.exe	L7R2ARlG55CWmzK.exe
PID 1328 wrote to memory of 4084	1328	L7R2ARlG55CWmzK.exe	L7R2ARlG55CWmzK.exe
PID 4084 wrote to memory of 4788	4084	L7R2ARlG55CWmzK.exe	schtasks.exe
PID 4084 wrote to memory of 4788	4084	L7R2ARlG55CWmzK.exe	schtasks.exe
PID 4084 wrote to memory of 4788	4084	L7R2ARlG55CWmzK.exe	schtasks.exe
PID 4084 wrote to memory of 1048	4084	L7R2ARlG55CWmzK.exe	schtasks.exe
PID 4084 wrote to memory of 1048	4084	L7R2ARlG55CWmzK.exe	schtasks.exe
PID 4084 wrote to memory of 1048	4084	L7R2ARlG55CWmzK.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\L7R2ARlG55CWmzK.exe
"C:\Users\Admin\AppData\Local\Temp\L7R2ARlG55CWmzK.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1328

C:\Users\Admin\AppData\Local\Temp\L7R2ARlG55CWmzK.exe
"C:\Users\Admin\AppData\Local\Temp\L7R2ARlG55CWmzK.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
- Suspicious use of WriteProcessMemory
PID:4084

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "AGP Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmp183B.tmp"
3⤵
- Creates scheduled task(s)
PID:4788

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "AGP Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp18D8.tmp"
3⤵
- Creates scheduled task(s)
PID:1048

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\L7R2ARlG55CWmzK.exe.log
Filesize
1KB

MD5
e50d61d6d5cec0d2c6b3fbf02b17af2d

SHA1
fcf43f96e7389c27ee201fb00b65db01ca2cee40

SHA256
a87cf2dbf70a59d3d347f9ca743b6ceb3c805b4714cf4fb963c18b9ca8ffd0a9

SHA512
0348b60095cd48d275a5234fe34c1fd7a7c9921e1d92dafea0379d607f898eb1c2e089dafa1db608fad65497fc8f90fa699109b06a5f2c12c0bc8c9192ff9924

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp183B.tmp
Filesize
1KB

MD5
e6b735194d79372f3433c21dccb325ab

SHA1
2529a7629ce46818af5745c7c890ebe925521097

SHA256
482b3152cd9042e3d52b340a90a5c70e6a1f69bb5b10107e38ae0b0031c524df

SHA512
b651d65218427209de7ab77f3bb2eabee7d0d61b8bcb5a1a783966b2aac208d0c9dcd8fea42cb249807060e2c20cbb2a226469867736256b10de4d22e0d364a7

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp18D8.tmp
Filesize
1KB

MD5
157cd55403665c49c9fd3ca1196c4397

SHA1
4feed6e606b41bb617274471349582963182756b

SHA256
49d903f84313feb16bd189c58b6c206f98b05da00ea0da881e2ff0c893b6ba5e

SHA512
bea7e3caa9c37cadd772a6d3ee0d9ed47de6b3e880cd58649be2939cacd00f70d4edc1ad177e432539267bb520094d9cda3f781cdfc69122f3775242321c11b8

Download Submit
memory/1048-142-0x0000000000000000-mapping.dmp

Download
memory/1328-133-0x0000000005B70000-0x0000000005C02000-memory.dmp

Filesize
584KB

Download
memory/1328-134-0x0000000006320000-0x00000000063BC000-memory.dmp

Filesize
624KB

Download
memory/1328-132-0x0000000000F90000-0x0000000001040000-memory.dmp

Filesize
704KB

Download
memory/4084-135-0x0000000000000000-mapping.dmp

Download
memory/4084-139-0x0000000004F30000-0x0000000004F3A000-memory.dmp

Filesize
40KB

Download
memory/4084-138-0x0000000005570000-0x0000000005B14000-memory.dmp

Filesize
5.6MB

Download
memory/4084-136-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4084-144-0x0000000006C00000-0x0000000006C66000-memory.dmp

Filesize
408KB

Download
memory/4788-140-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads