nanocore | adb13e04eb377b8049411a827c557c9e3b788c54b6495cea68ae496ebc56f389

Analysis

max time kernel
147s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
10-10-2022 05:20

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General

Target

IMG_9085976792.scr.exe
Size

1.2MB
MD5

47b5a15673dcf8713891f464a3de8aaf
SHA1

8c83f68168599dd761c47e37cb6030c70040175a
SHA256

adb13e04eb377b8049411a827c557c9e3b788c54b6495cea68ae496ebc56f389
SHA512

4b2ae36b48a523e78f8a77367e74b9ddbe49e03bbc4f6332cf031c91077e89dbb3b36b29efd6ceb853ba4b8fdfaa59b3ab65725eb4ed24116360a48e46e38c51
SSDEEP

24576:0AOcZ2i7gl0p6QqMotiBsk+h6j5HUSIOg0+MkYGE:iPl0YMotiBchq5HPnr

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

lowaspeed.ddnsfree.com:48562

411speed.duckdns.org:48562

Mutex

042723c4-0804-4212-bf56-4b1b2669ca7c

Attributes

activate_away_mode
false
backup_connection_host
411speed.duckdns.org
backup_dns_server
buffer_size
65538
build_time
2022-07-02T05:32:06.440076436Z
bypass_user_account_control
false
bypass_user_account_control_data
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
clear_access_control
false
clear_zone_identifier
false
connect_delay
4000
connection_port
48562
default_group
Clowns
enable_debug_mode
true
gc_threshold
1.0485772e+07
keep_alive_timeout
30000
keyboard_logging
false
lan_timeout
2500
max_packet_size
1.0485772e+07
mutex
042723c4-0804-4212-bf56-4b1b2669ca7c
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
lowaspeed.ddnsfree.com
primary_dns_server
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
8009

Signatures

NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
keylogger trojan stealer spyware nanocore
Executes dropped EXE 2 IoCs

Processes:

dpkvsht.exeRegSvcs.exe

pid process

2960 dpkvsht.exe
2808 RegSvcs.exe

pid	process
2960	dpkvsht.exe
2808	RegSvcs.exe

Checks computer location settings 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

IMG_9085976792.scr.exeWScript.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	IMG_9085976792.scr.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	WScript.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

dpkvsht.exeRegSvcs.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\AutoUpdate = "0\\8_66\\Update.vbs"	dpkvsht.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DDP Host = "C:\\Program Files (x86)\\DDP Host\\ddphost.exe"	RegSvcs.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	dpkvsht.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Chrome = "0\\8_66\\dpkvsht.exe 0\\8_66\\mfoppmxb.isi"	dpkvsht.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

RegSvcs.exe

description ioc process

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

Processes:

dpkvsht.exe

description pid process target process

PID 2960 set thread context of 2808 2960 dpkvsht.exe RegSvcs.exe

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

description	pid	process	target process
PID 2960 set thread context of 2808	2960	dpkvsht.exe	RegSvcs.exe

Drops file in Program Files directory 2 IoCs

Processes:

RegSvcs.exe

description	ioc	process
File created	C:\Program Files (x86)\DDP Host\ddphost.exe	RegSvcs.exe
File opened for modification	C:\Program Files (x86)\DDP Host\ddphost.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 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

4612 schtasks.exe
312 schtasks.exe

pid	process
4612	schtasks.exe
312	schtasks.exe

Modifies registry class 2 IoCs

Processes:

WScript.exeIMG_9085976792.scr.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	WScript.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings	IMG_9085976792.scr.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

RegSvcs.exe

pid	process
2808	RegSvcs.exe
2808	RegSvcs.exe
2808	RegSvcs.exe
2808	RegSvcs.exe
2808	RegSvcs.exe
2808	RegSvcs.exe
2808	RegSvcs.exe
2808	RegSvcs.exe
2808	RegSvcs.exe
2808	RegSvcs.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RegSvcs.exe

pid process

2808 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegSvcs.exe

description pid process

Token: SeDebugPrivilege 2808 RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	2808	RegSvcs.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

IMG_9085976792.scr.exeWScript.exedpkvsht.exeRegSvcs.exe

description	pid	process	target process
PID 1480 wrote to memory of 1296	1480	IMG_9085976792.scr.exe	WScript.exe
PID 1480 wrote to memory of 1296	1480	IMG_9085976792.scr.exe	WScript.exe
PID 1480 wrote to memory of 1296	1480	IMG_9085976792.scr.exe	WScript.exe
PID 1296 wrote to memory of 2960	1296	WScript.exe	dpkvsht.exe
PID 1296 wrote to memory of 2960	1296	WScript.exe	dpkvsht.exe
PID 1296 wrote to memory of 2960	1296	WScript.exe	dpkvsht.exe
PID 2960 wrote to memory of 2808	2960	dpkvsht.exe	RegSvcs.exe
PID 2960 wrote to memory of 2808	2960	dpkvsht.exe	RegSvcs.exe
PID 2960 wrote to memory of 2808	2960	dpkvsht.exe	RegSvcs.exe
PID 2960 wrote to memory of 2808	2960	dpkvsht.exe	RegSvcs.exe
PID 2960 wrote to memory of 2808	2960	dpkvsht.exe	RegSvcs.exe
PID 2808 wrote to memory of 4612	2808	RegSvcs.exe	schtasks.exe
PID 2808 wrote to memory of 4612	2808	RegSvcs.exe	schtasks.exe
PID 2808 wrote to memory of 4612	2808	RegSvcs.exe	schtasks.exe
PID 2808 wrote to memory of 312	2808	RegSvcs.exe	schtasks.exe
PID 2808 wrote to memory of 312	2808	RegSvcs.exe	schtasks.exe
PID 2808 wrote to memory of 312	2808	RegSvcs.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\IMG_9085976792.scr.exe
"C:\Users\Admin\AppData\Local\Temp\IMG_9085976792.scr.exe"
1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1480

C:\Windows\SysWOW64\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\temp\8_66\vxkv.vbe"
2⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1296

C:\Users\Admin\AppData\Local\Temp\8_66\dpkvsht.exe
"C:\Users\Admin\AppData\Local\Temp\8_66\dpkvsht.exe" mfoppmxb.isi
3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2960

C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe
"C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe"
4⤵
- Executes dropped EXE
- 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:2808

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DDP Host" /xml "C:\Users\Admin\AppData\Local\Temp\tmp8BCA.tmp"
5⤵
- Creates scheduled task(s)
PID:4612

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DDP Host Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp8CB5.tmp"
5⤵
- Creates scheduled task(s)
PID:312

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Modify Registry

T1112

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\8_66\daunmepxpv.mkk
Filesize
420KB

MD5
7d650e083326918985a7f10e9cd52b9a

SHA1
a7567064bc8b719e0044f2d238c744074afb6712

SHA256
b8df60912886a2fc4940532e71783b6966d9412c8725b7960f08c35db58b5242

SHA512
4a8fa25fc202c8e93e56b76b9d764a980ee9ad5ceab4d61af85ab280cd50a30722eabaf71e3b73469345d204728c70b3a9c5d021645a7d17652d68c76b20e503

Download Submit
C:\Users\Admin\AppData\Local\Temp\8_66\dpkvsht.exe
Filesize
1.1MB

MD5
b5b4f7b97106aff4bd860cff0e13dcdc

SHA1
42ca977e0d14bde5d5831b7fe10f516186df3fc5

SHA256
1dbad30b09c655ff987f25c312f56e9695d60105c240686d05d33941c854fa73

SHA512
3e6742aea38c0cbfee8e5cb8f11d328c947c7e4fcca4604b498a7e254aacfe53cc8fc6171d5ed2db7755abb510c09036bfbb1e5a9d9b7b47a587b43c828e3185

Download Submit
C:\Users\Admin\AppData\Local\Temp\8_66\dpkvsht.exe
Filesize
1.1MB

MD5
b5b4f7b97106aff4bd860cff0e13dcdc

SHA1
42ca977e0d14bde5d5831b7fe10f516186df3fc5

SHA256
1dbad30b09c655ff987f25c312f56e9695d60105c240686d05d33941c854fa73

SHA512
3e6742aea38c0cbfee8e5cb8f11d328c947c7e4fcca4604b498a7e254aacfe53cc8fc6171d5ed2db7755abb510c09036bfbb1e5a9d9b7b47a587b43c828e3185

Download Submit
C:\Users\Admin\AppData\Local\Temp\8_66\mfoppmxb.isi
Filesize
83.5MB

MD5
e22106d436abd75caddd165838ec2826

SHA1
b78e01d180056de7d6e4bbeb3ade97cced937fd8

SHA256
9beac8bffb4d174454cf883282c81029cdf9a5cb88844e2798888697bed4e7a9

SHA512
c7ba9d5c8bc13689d92bfb35a0588699e14d67b0a9e0a1b644f5ae26b5895c756384104f77fbff8b81c10b3bee9568bd40df2dc803900eff590a60b62d4d690b

Download Submit
C:\Users\Admin\AppData\Local\Temp\8_66\nvkm.cpl
Filesize
53KB

MD5
5a5c3d5b8d53016d4e779d2b8544d450

SHA1
593eef2e4649651ad7c3c049d1274d47d3978212

SHA256
82db089eced8f93e91bb2cea90288325a704fef6ef57a785bdec5a83c83419d3

SHA512
17d7d1a645e1abc7d315d38521643f62013111313641d738c0131e69b72d09234924eafc4ce21c4653d72b7a30e758bb97e5f25655211ba732fb26790fb6d687

Download Submit
C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe
Filesize
44KB

MD5
9d352bc46709f0cb5ec974633a0c3c94

SHA1
1969771b2f022f9a86d77ac4d4d239becdf08d07

SHA256
2c1eeb7097023c784c2bd040a2005a5070ed6f3a4abf13929377a9e39fab1390

SHA512
13c714244ec56beeb202279e4109d59c2a43c3cf29f90a374a751c04fd472b45228ca5a0178f41109ed863dbd34e0879e4a21f5e38ae3d89559c57e6be990a9b

Download Submit
C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe
Filesize
44KB

MD5
9d352bc46709f0cb5ec974633a0c3c94

SHA1
1969771b2f022f9a86d77ac4d4d239becdf08d07

SHA256
2c1eeb7097023c784c2bd040a2005a5070ed6f3a4abf13929377a9e39fab1390

SHA512
13c714244ec56beeb202279e4109d59c2a43c3cf29f90a374a751c04fd472b45228ca5a0178f41109ed863dbd34e0879e4a21f5e38ae3d89559c57e6be990a9b

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp8BCA.tmp
Filesize
1KB

MD5
95aceabc58acad5d73372b0966ee1b35

SHA1
2293b7ad4793cf574b1a5220e85f329b5601040a

SHA256
8d9642e1c3cd1e0b5d1763de2fb5e605ba593e5a918b93eec15acbc5dcc48fd4

SHA512
00760dfc9d8caf357f0cee5336e5448a4cca18e32cc63e1a69c16e34fe00ea29acd5b2cf278e86c6f9c3e66a1b176d27ed927361848212e6bf1fade7d3d06e74

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp8CB5.tmp
Filesize
1KB

MD5
2271642ca970891700e3f48439739ed8

SHA1
cd472df2349f7db9e1e460d0ee28acd97b8a8793

SHA256
7aba66abbcb0b13455609174db23aed495a9adbef0e0acd28baa9c92445eda68

SHA512
4669a4ef8ec28cdb852ffc1401576b1bf9a9d837797d7d92bc88c18b3097404f36854e50167b309706fef400cabc43c876569ce2797ba85eb169a2783b8fe807

Download Submit
C:\Users\Admin\AppData\Local\temp\8_66\vxkv.vbe
Filesize
23KB

MD5
d828ba09830284028a632050a12bd1e4

SHA1
f64d64d97574611c78169d6294f47f3c97c47572

SHA256
882b5c9138d1bf2b38c1ea49b49943d95ed2f254c88c57bacb82e58852722371

SHA512
fee86c63d1be1482a466e25191eda89e452abf2e0d845109407bd587c10517c4586e98acc6453a430fe9e280ab2c35b6b86f5a923a0d0d28bb2518aac07f5f7b

Download Submit
memory/312-151-0x0000000000000000-mapping.dmp

Download
memory/1296-132-0x0000000000000000-mapping.dmp

Download
memory/2808-144-0x0000000000570000-0x00000000005AA000-memory.dmp

Filesize
232KB

Download
memory/2808-145-0x0000000005920000-0x0000000005EC4000-memory.dmp

Filesize
5.6MB

Download
memory/2808-146-0x0000000005410000-0x00000000054A2000-memory.dmp

Filesize
584KB

Download
memory/2808-147-0x00000000054B0000-0x000000000554C000-memory.dmp

Filesize
624KB

Download
memory/2808-148-0x00000000053F0000-0x00000000053FA000-memory.dmp

Filesize
40KB

Download
memory/2808-141-0x000000000058E792-mapping.dmp

Download
memory/2808-140-0x0000000000570000-0x0000000000C9F000-memory.dmp

Filesize
7.2MB

Download
memory/2808-153-0x0000000006E00000-0x0000000006E66000-memory.dmp

Filesize
408KB

Download
memory/2960-135-0x0000000000000000-mapping.dmp

Download
memory/4612-149-0x0000000000000000-mapping.dmp

Download