nanocore | 6b3e2ac84de7a3c998848636d915108d98ce24a70cddffc483e1681f0210665a

General

Target

6b3e2ac8.exe
Size

359KB
MD5

8575cb6fc0f2e03e427b847b8bf734a9
SHA1

23f35839198e0cab7822e2fa2ac8e75a3b575291
SHA256

6b3e2ac84de7a3c998848636d915108d98ce24a70cddffc483e1681f0210665a
SHA512

57690b76b4aef045b92f098253a260b31dc339c32acf7829386c5abf9ec17cf9ea031175ebb53a2794d4701a98732b972be672438c007edd867f1d9f1b6db23e

Score

10^/10

nanocore keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

185.140.53.75:97

Mutex

75237636-ccfc-402a-827d-5ad01371659e

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-07-24T01:53:34.394429836Z
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
97
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
75237636-ccfc-402a-827d-5ad01371659e
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
185.140.53.75
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:

RegSvcs.exe

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

6b3e2ac8.exe

description pid process target process

PID 696 set thread context of 2612 696 6b3e2ac8.exe RegSvcs.exe

description	pid	process	target process
PID 696 set thread context of 2612	696	6b3e2ac8.exe	RegSvcs.exe

Drops file in Program Files directory 2 IoCs

Processes:

RegSvcs.exe

description	ioc	process
File created	C:\Program Files (x86)\SCSI Service\scsisvc.exe	RegSvcs.exe
File opened for modification	C:\Program Files (x86)\SCSI Service\scsisvc.exe	RegSvcs.exe

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

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exeschtasks.exe

pid process

4708 schtasks.exe
596 schtasks.exe
372 schtasks.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

6b3e2ac8.exeRegSvcs.exe

pid process

696 6b3e2ac8.exe
696 6b3e2ac8.exe
2612 RegSvcs.exe
2612 RegSvcs.exe
2612 RegSvcs.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RegSvcs.exe

pid process

2612 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

6b3e2ac8.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 696 6b3e2ac8.exe
Token: SeDebugPrivilege 2612 RegSvcs.exe

pid	process
4708	schtasks.exe
596	schtasks.exe
372	schtasks.exe

pid	process
696	6b3e2ac8.exe
696	6b3e2ac8.exe
2612	RegSvcs.exe
2612	RegSvcs.exe
2612	RegSvcs.exe

pid	process
2612	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	696	6b3e2ac8.exe
Token: SeDebugPrivilege	2612	RegSvcs.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

6b3e2ac8.exeRegSvcs.exe

description	pid	process	target process
PID 696 wrote to memory of 4708	696	6b3e2ac8.exe	schtasks.exe
PID 696 wrote to memory of 4708	696	6b3e2ac8.exe	schtasks.exe
PID 696 wrote to memory of 4708	696	6b3e2ac8.exe	schtasks.exe
PID 696 wrote to memory of 2612	696	6b3e2ac8.exe	RegSvcs.exe
PID 696 wrote to memory of 2612	696	6b3e2ac8.exe	RegSvcs.exe
PID 696 wrote to memory of 2612	696	6b3e2ac8.exe	RegSvcs.exe
PID 696 wrote to memory of 2612	696	6b3e2ac8.exe	RegSvcs.exe
PID 696 wrote to memory of 2612	696	6b3e2ac8.exe	RegSvcs.exe
PID 696 wrote to memory of 2612	696	6b3e2ac8.exe	RegSvcs.exe
PID 696 wrote to memory of 2612	696	6b3e2ac8.exe	RegSvcs.exe
PID 696 wrote to memory of 2612	696	6b3e2ac8.exe	RegSvcs.exe
PID 2612 wrote to memory of 596	2612	RegSvcs.exe	schtasks.exe
PID 2612 wrote to memory of 596	2612	RegSvcs.exe	schtasks.exe
PID 2612 wrote to memory of 596	2612	RegSvcs.exe	schtasks.exe
PID 2612 wrote to memory of 372	2612	RegSvcs.exe	schtasks.exe
PID 2612 wrote to memory of 372	2612	RegSvcs.exe	schtasks.exe
PID 2612 wrote to memory of 372	2612	RegSvcs.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\6b3e2ac8.exe
"C:\Users\Admin\AppData\Local\Temp\6b3e2ac8.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:696

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vhHiynSGnoB" /XML "C:\Users\Admin\AppData\Local\Temp\tmp67FD.tmp"
2⤵
- Creates scheduled task(s)
PID:4708

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
2⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2612

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "SCSI Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp6B29.tmp"
3⤵
- Creates scheduled task(s)
PID:596

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "SCSI Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp6B98.tmp"
3⤵
- Creates scheduled task(s)
PID:372

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

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\Temp\tmp6B29.tmp
MD5
40b11ef601fb28f9b2e69d36857bf2ec

SHA1
b6454020ad2ceed193f4792b77001d0bd741b370

SHA256
c51e12d18cc664425f6711d8ae2507068884c7057092cfa11884100e1e9d49e1

SHA512
e3c5bcc714cbfca4b8058ddcddf231dcefa69c15881ce3f8123e59ed45cfb5da052b56e1945dcf8dc7f800d62f9a4eecb82bca69a66a1530787aeffeb15e2bd5

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp6B98.tmp
MD5
4e71faa3a77029484cfaba423d96618f

SHA1
9c837d050bb43d69dc608af809c292e13bca4718

SHA256
c470f45efd2e7c4c5b88534a18965a78dce0f8e154d3e45a9d5569ad0e334bdb

SHA512
6d014de41352f2b0b494d94cd58188791e81d4e53578d0722110b6827793b735e19c614877f25c61b26233dea1b5f1998ba1240bdc8fa04c87b7e64a4ca15fe0

Download Submit
memory/372-122-0x0000000000000000-mapping.dmp

Download
memory/596-120-0x0000000000000000-mapping.dmp

Download
memory/696-115-0x0000000002A30000-0x0000000002A31000-memory.dmp

Filesize
4KB

Download
memory/2612-117-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2612-118-0x000000000041E792-mapping.dmp

Download
memory/2612-119-0x0000000001300000-0x000000000144A000-memory.dmp

Filesize
1.3MB

Download
memory/2612-124-0x0000000001300000-0x000000000144A000-memory.dmp

Filesize
1.3MB

Download
memory/4708-116-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads