djvu | 5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172

Analysis

max time kernel
74s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2022 22:31

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General

Target

5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe
Size

704KB
MD5

b3429e9f4084ec931dad480f0940f97f
SHA1

0c1ba0f19fa049d3bef2d52ccbd816bb04916a84
SHA256

5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172
SHA512

ab3155f1807d277e43aba913477fa03487a3cb62ed6f152fa9e6f16fca54273337a00993cec70b8cf510de970bbd230544febd5145bef0b21ba61139c3f7a27c
SSDEEP

12288:fFD1bhftdf5bIOWrBgLoAxjmgD9P4KkCEpOnWCHln44Pn5:fLhlJajrKjmCPZkCEInW6lnZn5

Score

10^/10

djvu vidar 517 discovery persistence ransomware spyware stealer

Malware Config

Extracted

Family

djvu

http://fresherlights.com/test1/get.php

Attributes

extension
.tcvp
offline_id
JBPpFMvWlKMsKlJRmPJl5e09RSnYrRJya1oX8xt1
payload_url
http://uaery.top/dl/build2.exe

http://fresherlights.com/files/1/build3.exe
ransomnote
ATTENTION! Don't worry, you can return all your files! All your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. You can get and look video overview decrypt tool: https://we.tl/t-bpYXr2m3kI Price of private key and decrypt software is $980. Discount 50% available if you contact us first 72 hours, that's price for you is $490. Please note that you'll never restore your data without payment. Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: [email protected] Reserve e-mail address to contact us: [email protected] Your personal ID: 0604Jhyjd

rsa_pubkey.plain

Extracted

Family

vidar

Version

55.8

Botnet

517

https://t.me/headshotsonly

https://steamcommunity.com/profiles/76561199436777531

Attributes

profile_id
517

Signatures

Detected Djvu ransomware 10 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2836-133-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2836-134-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2836-136-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4936-137-0x00000000025C0000-0x00000000026DB000-memory.dmp	family_djvu
behavioral1/memory/2836-138-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2836-142-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3260-146-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3260-147-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3260-152-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3260-188-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu

Djvu Ransomware
Ransomware which is a variant of the STOP family.
ransomware djvu
Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Downloads MZ/PE file
Executes dropped EXE 4 IoCs

Processes:

build2.exebuild3.exebuild2.exemstsca.exe

pid process

1232 build2.exe
924 build3.exe
4924 build2.exe
1456 mstsca.exe

pid	process
1232	build2.exe
924	build3.exe
4924	build2.exe
1456	mstsca.exe

Checks computer location settings 2 TTPs 3 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

build2.exe5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	build2.exe
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe

Loads dropped DLL 2 IoCs

Processes:

build2.exe

pid process

4924 build2.exe
4924 build2.exe
Modifies file permissions 1 TTPs 1 IoCs
discovery

File Permissions Modification
T1222

Processes:

icacls.exe

pid process

1720 icacls.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses 2FA software files, possible credential harvesting 2 TTPs
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081

pid	process
4924	build2.exe
4924	build2.exe

pid	process
1720	icacls.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\7c11529a-9685-4cc2-8116-bd78d6b7760c\\5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe\" --AutoStart"	5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

5 api.2ip.ua
6 api.2ip.ua
20 api.2ip.ua

flow	ioc
5	api.2ip.ua
6	api.2ip.ua
20	api.2ip.ua

Suspicious use of SetThreadContext 3 IoCs

Processes:

5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exebuild2.exe

description	pid	process	target process
PID 4936 set thread context of 2836	4936	5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe	5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe
PID 724 set thread context of 3260	724	5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe	5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe
PID 1232 set thread context of 4924	1232	build2.exe	build2.exe

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

build2.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	build2.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	build2.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

4188 schtasks.exe
4380 schtasks.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

2164 timeout.exe

pid	process
4188	schtasks.exe
4380	schtasks.exe

pid	process
2164	timeout.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exebuild2.exe

pid	process
2836	5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe
2836	5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe
3260	5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe
3260	5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe
4924	build2.exe
4924	build2.exe

Suspicious use of WriteProcessMemory 53 IoCs

Processes:

5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exebuild3.exebuild2.exebuild2.execmd.exemstsca.exe

description	pid	process	target process
PID 4936 wrote to memory of 2836	4936	5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe	5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe
PID 4936 wrote to memory of 2836	4936	5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe	5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe
PID 4936 wrote to memory of 2836	4936	5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe	5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe
PID 4936 wrote to memory of 2836	4936	5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe	5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe
PID 4936 wrote to memory of 2836	4936	5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe	5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe
PID 4936 wrote to memory of 2836	4936	5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe	5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe
PID 4936 wrote to memory of 2836	4936	5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe	5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe
PID 4936 wrote to memory of 2836	4936	5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe	5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe
PID 4936 wrote to memory of 2836	4936	5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe	5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe
PID 4936 wrote to memory of 2836	4936	5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe	5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe
PID 2836 wrote to memory of 1720	2836	5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe	icacls.exe
PID 2836 wrote to memory of 1720	2836	5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe	icacls.exe
PID 2836 wrote to memory of 1720	2836	5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe	icacls.exe
PID 2836 wrote to memory of 724	2836	5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe	5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe
PID 2836 wrote to memory of 724	2836	5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe	5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe
PID 2836 wrote to memory of 724	2836	5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe	5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe
PID 724 wrote to memory of 3260	724	5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe	5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe
PID 724 wrote to memory of 3260	724	5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe	5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe
PID 724 wrote to memory of 3260	724	5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe	5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe
PID 724 wrote to memory of 3260	724	5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe	5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe
PID 724 wrote to memory of 3260	724	5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe	5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe
PID 724 wrote to memory of 3260	724	5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe	5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe
PID 724 wrote to memory of 3260	724	5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe	5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe
PID 724 wrote to memory of 3260	724	5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe	5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe
PID 724 wrote to memory of 3260	724	5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe	5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe
PID 724 wrote to memory of 3260	724	5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe	5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe
PID 3260 wrote to memory of 1232	3260	5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe	build2.exe
PID 3260 wrote to memory of 1232	3260	5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe	build2.exe
PID 3260 wrote to memory of 1232	3260	5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe	build2.exe
PID 3260 wrote to memory of 924	3260	5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe	build3.exe
PID 3260 wrote to memory of 924	3260	5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe	build3.exe
PID 3260 wrote to memory of 924	3260	5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe	build3.exe
PID 924 wrote to memory of 4380	924	build3.exe	schtasks.exe
PID 924 wrote to memory of 4380	924	build3.exe	schtasks.exe
PID 924 wrote to memory of 4380	924	build3.exe	schtasks.exe
PID 1232 wrote to memory of 4924	1232	build2.exe	build2.exe
PID 1232 wrote to memory of 4924	1232	build2.exe	build2.exe
PID 1232 wrote to memory of 4924	1232	build2.exe	build2.exe
PID 1232 wrote to memory of 4924	1232	build2.exe	build2.exe
PID 1232 wrote to memory of 4924	1232	build2.exe	build2.exe
PID 1232 wrote to memory of 4924	1232	build2.exe	build2.exe
PID 1232 wrote to memory of 4924	1232	build2.exe	build2.exe
PID 1232 wrote to memory of 4924	1232	build2.exe	build2.exe
PID 1232 wrote to memory of 4924	1232	build2.exe	build2.exe
PID 4924 wrote to memory of 4760	4924	build2.exe	cmd.exe
PID 4924 wrote to memory of 4760	4924	build2.exe	cmd.exe
PID 4924 wrote to memory of 4760	4924	build2.exe	cmd.exe
PID 4760 wrote to memory of 2164	4760	cmd.exe	timeout.exe
PID 4760 wrote to memory of 2164	4760	cmd.exe	timeout.exe
PID 4760 wrote to memory of 2164	4760	cmd.exe	timeout.exe
PID 1456 wrote to memory of 4188	1456	mstsca.exe	schtasks.exe
PID 1456 wrote to memory of 4188	1456	mstsca.exe	schtasks.exe
PID 1456 wrote to memory of 4188	1456	mstsca.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe
"C:\Users\Admin\AppData\Local\Temp\5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4936

C:\Users\Admin\AppData\Local\Temp\5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe
"C:\Users\Admin\AppData\Local\Temp\5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe"
2⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2836

C:\Windows\SysWOW64\icacls.exe
icacls "C:\Users\Admin\AppData\Local\7c11529a-9685-4cc2-8116-bd78d6b7760c" /deny *S-1-1-0:(OI)(CI)(DE,DC)
3⤵
- Modifies file permissions
PID:1720

C:\Users\Admin\AppData\Local\Temp\5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe
"C:\Users\Admin\AppData\Local\Temp\5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe" --Admin IsNotAutoStart IsNotTask
3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:724

C:\Users\Admin\AppData\Local\Temp\5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe
"C:\Users\Admin\AppData\Local\Temp\5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe" --Admin IsNotAutoStart IsNotTask
4⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3260

C:\Users\Admin\AppData\Local\fcf0b75f-c860-40bb-8d3c-eb180fb2e5e8\build2.exe
"C:\Users\Admin\AppData\Local\fcf0b75f-c860-40bb-8d3c-eb180fb2e5e8\build2.exe"
5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1232

C:\Users\Admin\AppData\Local\fcf0b75f-c860-40bb-8d3c-eb180fb2e5e8\build2.exe
"C:\Users\Admin\AppData\Local\fcf0b75f-c860-40bb-8d3c-eb180fb2e5e8\build2.exe"
6⤵
- Executes dropped EXE
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4924

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\fcf0b75f-c860-40bb-8d3c-eb180fb2e5e8\build2.exe" & exit
7⤵
- Suspicious use of WriteProcessMemory
PID:4760

C:\Windows\SysWOW64\timeout.exe
timeout /t 6
8⤵
- Delays execution with timeout.exe
PID:2164

C:\Users\Admin\AppData\Local\fcf0b75f-c860-40bb-8d3c-eb180fb2e5e8\build3.exe
"C:\Users\Admin\AppData\Local\fcf0b75f-c860-40bb-8d3c-eb180fb2e5e8\build3.exe"
5⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:924

C:\Windows\SysWOW64\schtasks.exe
/C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe"
6⤵
- Creates scheduled task(s)
PID:4380

C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1456

C:\Windows\SysWOW64\schtasks.exe
/C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe"
2⤵
- Creates scheduled task(s)
PID:4188

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

File Permissions Modification

T1222

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\ProgramData\mozglue.dll
Filesize
593KB

MD5
c8fd9be83bc728cc04beffafc2907fe9

SHA1
95ab9f701e0024cedfbd312bcfe4e726744c4f2e

SHA256
ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

SHA512
fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

Download Submit
C:\ProgramData\nss3.dll
Filesize
2.0MB

MD5
1cc453cdf74f31e4d913ff9c10acdde2

SHA1
6e85eae544d6e965f15fa5c39700fa7202f3aafe

SHA256
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

SHA512
dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
Filesize
2KB

MD5
38a9ee40b61155284982e2fa94ecabb8

SHA1
48847436aebb7737c0ffb7a1c7890b97277372ec

SHA256
39dfe13c61cf08b31abb081fb69a84fd106d9dce588d98bcda717b361403f3a5

SHA512
1ba66cc021295bd0d08b5882b41e48b68c5091de41d6e451f48c291ef4e837e8783ac36af6cc08fc4efe382cb8563358a48939a5902d5ad6ff69bbd9bc71a553

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
Filesize
1KB

MD5
23c896e3fc14b0352780bf8710ebd27a

SHA1
f80cbc14c2447f02c067cc2c126e105b552d472b

SHA256
df2d1a8ad65c48cb714d0157f4e14c374e45493c7e2ed1a03911f558055108c0

SHA512
230372de75058a3b6456b1f44efc95695a85d7317fc6e2575a8772af900a08e059aa8a5397a37e1231ffa6bb2e8a2684bc2e6a35cba500818a417387c915908e

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
Filesize
488B

MD5
d69ba74149b12d0ea27bf0892ff0c1d7

SHA1
36f5c560b957c83fa8bb8c3c72f0bc2bf0863ee4

SHA256
46aa1e94a5649f1545bf4c1a1040329e460fb15a8a1586ff46276d965a98e2ec

SHA512
017e49e34d8c81f51dad6382580c27b382234a3e19624031634c6df500d024f0f73cbde44d07a87ecd93143d6bff9dbefe83ba55caf3598fd114add44ede08dc

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
Filesize
482B

MD5
193cc9a8059088e47f4f50c4805327d2

SHA1
ea42353720a1f7206e4be56f4bdb80cafd0020d6

SHA256
d9c9de9a7e449a1b3cc2534953844005a6b36ba8dbc2a7d8129e9f2b79f40d7c

SHA512
f5b7071b3902d43cf4bac1b9ee1f247f4590eaa415383636472ac19faadef67151d776342df189c6c5ec0687f408b609b017dd9d1e1518ea191125fb773d4d52

Download Submit
C:\Users\Admin\AppData\Local\7c11529a-9685-4cc2-8116-bd78d6b7760c\5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172.exe
Filesize
704KB

MD5
b3429e9f4084ec931dad480f0940f97f

SHA1
0c1ba0f19fa049d3bef2d52ccbd816bb04916a84

SHA256
5beb57acded6258f0ef4b49e5d8a2c1894ce5c771dac1090088fb83235d5c172

SHA512
ab3155f1807d277e43aba913477fa03487a3cb62ed6f152fa9e6f16fca54273337a00993cec70b8cf510de970bbd230544febd5145bef0b21ba61139c3f7a27c

Download Submit
C:\Users\Admin\AppData\Local\fcf0b75f-c860-40bb-8d3c-eb180fb2e5e8\build2.exe
Filesize
397KB

MD5
724c04ee1bf4c248712b47cbb65e7782

SHA1
1292f72116df9bf615ca61ef016cef4e20a024b5

SHA256
84ef700ffb4e47c5b24e58d773284c9eeb03de5065dfabdcd34f883693facd7a

SHA512
63472e9fa979d5796d8705626b7a00ab77e4c3327a63e71079c2f1dd515e829e43821aba47e052949c7038cacedf207c1aa01b273db8c74583b58c2afd3c6ee5

Download Submit
C:\Users\Admin\AppData\Local\fcf0b75f-c860-40bb-8d3c-eb180fb2e5e8\build2.exe
Filesize
397KB

MD5
724c04ee1bf4c248712b47cbb65e7782

SHA1
1292f72116df9bf615ca61ef016cef4e20a024b5

SHA256
84ef700ffb4e47c5b24e58d773284c9eeb03de5065dfabdcd34f883693facd7a

SHA512
63472e9fa979d5796d8705626b7a00ab77e4c3327a63e71079c2f1dd515e829e43821aba47e052949c7038cacedf207c1aa01b273db8c74583b58c2afd3c6ee5

Download Submit
C:\Users\Admin\AppData\Local\fcf0b75f-c860-40bb-8d3c-eb180fb2e5e8\build2.exe
Filesize
397KB

MD5
724c04ee1bf4c248712b47cbb65e7782

SHA1
1292f72116df9bf615ca61ef016cef4e20a024b5

SHA256
84ef700ffb4e47c5b24e58d773284c9eeb03de5065dfabdcd34f883693facd7a

SHA512
63472e9fa979d5796d8705626b7a00ab77e4c3327a63e71079c2f1dd515e829e43821aba47e052949c7038cacedf207c1aa01b273db8c74583b58c2afd3c6ee5

Download Submit
C:\Users\Admin\AppData\Local\fcf0b75f-c860-40bb-8d3c-eb180fb2e5e8\build3.exe
Filesize
9KB

MD5
9ead10c08e72ae41921191f8db39bc16

SHA1
abe3bce01cd34afc88e2c838173f8c2bd0090ae1

SHA256
8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

SHA512
aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

Download Submit
C:\Users\Admin\AppData\Local\fcf0b75f-c860-40bb-8d3c-eb180fb2e5e8\build3.exe
Filesize
9KB

MD5
9ead10c08e72ae41921191f8db39bc16

SHA1
abe3bce01cd34afc88e2c838173f8c2bd0090ae1

SHA256
8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

SHA512
aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
Filesize
9KB

MD5
9ead10c08e72ae41921191f8db39bc16

SHA1
abe3bce01cd34afc88e2c838173f8c2bd0090ae1

SHA256
8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

SHA512
aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
Filesize
9KB

MD5
9ead10c08e72ae41921191f8db39bc16

SHA1
abe3bce01cd34afc88e2c838173f8c2bd0090ae1

SHA256
8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

SHA512
aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

Download Submit
memory/724-145-0x000000000225A000-0x00000000022EB000-memory.dmp

Filesize
580KB

Download
memory/724-141-0x0000000000000000-mapping.dmp

Download
memory/924-156-0x0000000000000000-mapping.dmp

Download
memory/1232-153-0x0000000000000000-mapping.dmp

Download
memory/1232-166-0x00000000005C0000-0x000000000060B000-memory.dmp

Filesize
300KB

Download
memory/1232-164-0x000000000066C000-0x0000000000699000-memory.dmp

Filesize
180KB

Download
memory/1720-139-0x0000000000000000-mapping.dmp

Download
memory/2164-191-0x0000000000000000-mapping.dmp

Download
memory/2836-133-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2836-142-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2836-138-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2836-132-0x0000000000000000-mapping.dmp

Download
memory/2836-134-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2836-136-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3260-147-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3260-146-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3260-143-0x0000000000000000-mapping.dmp

Download
memory/3260-188-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3260-152-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4188-194-0x0000000000000000-mapping.dmp

Download
memory/4380-159-0x0000000000000000-mapping.dmp

Download
memory/4760-189-0x0000000000000000-mapping.dmp

Download
memory/4924-167-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/4924-168-0x000000006E720000-0x000000006E813000-memory.dmp

Filesize
972KB

Download
memory/4924-165-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/4924-163-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/4924-190-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/4924-161-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/4924-160-0x0000000000000000-mapping.dmp

Download
memory/4936-135-0x0000000002452000-0x00000000024E3000-memory.dmp

Filesize
580KB

Download
memory/4936-137-0x00000000025C0000-0x00000000026DB000-memory.dmp

Filesize
1.1MB

Download