djvu | a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823

Analysis

max time kernel
146s
max time network
127s
platform
windows10-1703_x64
resource
win10-20230220-en
resource tags

arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
submitted
25-03-2023 18:23

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General

Target

a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe
Size

781KB
MD5

7e70826c458202f742075cb3de0c3c17
SHA1

47134c44c142e381b6d995d87d75ab982f1b93cd
SHA256

a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823
SHA512

a6e637ca0a73d4fd3c324b91d1bbe113d42446d677712faf806507b6c7c460b7335aa23ea956df6eda28c808441f9cf8ad3f8442c5688b28696b47d1f2b40945
SSDEEP

12288:obi6WGGtyWXCcIGljU1jzpYzHiG34adGTtYYe0tiCuohRhOvrFdiowz:obGtyWSujkzpWHiG3wTze0tiCueqDg

Score

10^/10

djvu vidar 00d92484c9b27bc8482a2cc94cacc508 discovery persistence ransomware spyware stealer

Malware Config

Extracted

Family

djvu

http://zexeq.com/raud/get.php

Attributes

extension
.tyos
offline_id
Yao2o6f5vNghOpgVBhEIA8O96SC5vLcgITgaRMt1
payload_url
http://uaery.top/dl/build2.exe

http://zexeq.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-f8UEvx4T0A 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: 0673IsjO

rsa_pubkey.plain

Extracted

Family

vidar

Version

3.1

Botnet

00d92484c9b27bc8482a2cc94cacc508

https://steamcommunity.com/profiles/76561199472266392

https://t.me/tabootalks

http://135.181.26.183:80

Attributes

profile_id_v2
00d92484c9b27bc8482a2cc94cacc508
user_agent
Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36 OPR/91.0.4516.79

Signatures

Detected Djvu ransomware 16 IoCs

Processes:

resource	yara_rule
behavioral1/memory/4008-122-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3208-124-0x0000000004A20000-0x0000000004B3B000-memory.dmp	family_djvu
behavioral1/memory/4008-123-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4008-125-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4008-126-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4008-137-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2608-141-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2608-142-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2608-147-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2608-148-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2608-149-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2608-153-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2608-155-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2608-156-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2608-164-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2608-170-0x0000000000400000-0x0000000000537000-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

4072 build2.exe
4484 build3.exe
4228 build2.exe
5012 mstsca.exe
Loads dropped DLL 2 IoCs

Processes:

build2.exe

pid process

4228 build2.exe
4228 build2.exe
Modifies file permissions 1 TTPs 1 IoCs
discovery

File and Directory Permissions Modification
T1222

Processes:

icacls.exe

pid process

4964 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
4072	build2.exe
4484	build3.exe
4228	build2.exe
5012	mstsca.exe

pid	process
4228	build2.exe
4228	build2.exe

pid	process
4964	icacls.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\5fa3a62c-819c-4c64-b42c-7d4af2046426\\a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe\" --AutoStart"	a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.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

1 api.2ip.ua
2 api.2ip.ua
10 api.2ip.ua

flow	ioc
1	api.2ip.ua
2	api.2ip.ua
10	api.2ip.ua

Suspicious use of SetThreadContext 3 IoCs

Processes:

a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exea6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exebuild2.exe

description	pid	process	target process
PID 3208 set thread context of 4008	3208	a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe	a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe
PID 1556 set thread context of 2608	1556	a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe	a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe
PID 4072 set thread context of 4228	4072	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

3084 schtasks.exe
5044 schtasks.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

4388 timeout.exe

pid	process
3084	schtasks.exe
5044	schtasks.exe

pid	process
4388	timeout.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exea6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exebuild2.exe

pid	process
4008	a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe
4008	a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe
2608	a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe
2608	a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe
4228	build2.exe
4228	build2.exe

Suspicious use of WriteProcessMemory 53 IoCs

Processes:

a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exea6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exea6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exea6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exebuild3.exebuild2.exemstsca.exebuild2.execmd.exe

description	pid	process	target process
PID 3208 wrote to memory of 4008	3208	a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe	a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe
PID 3208 wrote to memory of 4008	3208	a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe	a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe
PID 3208 wrote to memory of 4008	3208	a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe	a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe
PID 3208 wrote to memory of 4008	3208	a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe	a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe
PID 3208 wrote to memory of 4008	3208	a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe	a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe
PID 3208 wrote to memory of 4008	3208	a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe	a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe
PID 3208 wrote to memory of 4008	3208	a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe	a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe
PID 3208 wrote to memory of 4008	3208	a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe	a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe
PID 3208 wrote to memory of 4008	3208	a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe	a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe
PID 3208 wrote to memory of 4008	3208	a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe	a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe
PID 4008 wrote to memory of 4964	4008	a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe	icacls.exe
PID 4008 wrote to memory of 4964	4008	a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe	icacls.exe
PID 4008 wrote to memory of 4964	4008	a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe	icacls.exe
PID 4008 wrote to memory of 1556	4008	a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe	a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe
PID 4008 wrote to memory of 1556	4008	a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe	a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe
PID 4008 wrote to memory of 1556	4008	a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe	a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe
PID 1556 wrote to memory of 2608	1556	a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe	a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe
PID 1556 wrote to memory of 2608	1556	a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe	a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe
PID 1556 wrote to memory of 2608	1556	a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe	a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe
PID 1556 wrote to memory of 2608	1556	a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe	a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe
PID 1556 wrote to memory of 2608	1556	a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe	a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe
PID 1556 wrote to memory of 2608	1556	a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe	a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe
PID 1556 wrote to memory of 2608	1556	a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe	a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe
PID 1556 wrote to memory of 2608	1556	a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe	a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe
PID 1556 wrote to memory of 2608	1556	a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe	a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe
PID 1556 wrote to memory of 2608	1556	a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe	a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe
PID 2608 wrote to memory of 4072	2608	a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe	build2.exe
PID 2608 wrote to memory of 4072	2608	a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe	build2.exe
PID 2608 wrote to memory of 4072	2608	a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe	build2.exe
PID 2608 wrote to memory of 4484	2608	a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe	build3.exe
PID 2608 wrote to memory of 4484	2608	a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe	build3.exe
PID 2608 wrote to memory of 4484	2608	a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe	build3.exe
PID 4484 wrote to memory of 3084	4484	build3.exe	schtasks.exe
PID 4484 wrote to memory of 3084	4484	build3.exe	schtasks.exe
PID 4484 wrote to memory of 3084	4484	build3.exe	schtasks.exe
PID 4072 wrote to memory of 4228	4072	build2.exe	build2.exe
PID 4072 wrote to memory of 4228	4072	build2.exe	build2.exe
PID 4072 wrote to memory of 4228	4072	build2.exe	build2.exe
PID 4072 wrote to memory of 4228	4072	build2.exe	build2.exe
PID 4072 wrote to memory of 4228	4072	build2.exe	build2.exe
PID 4072 wrote to memory of 4228	4072	build2.exe	build2.exe
PID 4072 wrote to memory of 4228	4072	build2.exe	build2.exe
PID 4072 wrote to memory of 4228	4072	build2.exe	build2.exe
PID 4072 wrote to memory of 4228	4072	build2.exe	build2.exe
PID 5012 wrote to memory of 5044	5012	mstsca.exe	schtasks.exe
PID 5012 wrote to memory of 5044	5012	mstsca.exe	schtasks.exe
PID 5012 wrote to memory of 5044	5012	mstsca.exe	schtasks.exe
PID 4228 wrote to memory of 5108	4228	build2.exe	cmd.exe
PID 4228 wrote to memory of 5108	4228	build2.exe	cmd.exe
PID 4228 wrote to memory of 5108	4228	build2.exe	cmd.exe
PID 5108 wrote to memory of 4388	5108	cmd.exe	timeout.exe
PID 5108 wrote to memory of 4388	5108	cmd.exe	timeout.exe
PID 5108 wrote to memory of 4388	5108	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe
"C:\Users\Admin\AppData\Local\Temp\a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3208
- C:\Users\Admin\AppData\Local\Temp\a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe
  "C:\Users\Admin\AppData\Local\Temp\a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:4008
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\5fa3a62c-819c-4c64-b42c-7d4af2046426" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    PID:4964
- - C:\Users\Admin\AppData\Local\Temp\a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe
    "C:\Users\Admin\AppData\Local\Temp\a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:1556
  - - C:\Users\Admin\AppData\Local\Temp\a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe
      "C:\Users\Admin\AppData\Local\Temp\a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of WriteProcessMemory
      PID:2608
    - - C:\Users\Admin\AppData\Local\6b0f16c5-6e16-4555-b76a-be3a7afc39ab\build2.exe
        
        "C:\Users\Admin\AppData\Local\6b0f16c5-6e16-4555-b76a-be3a7afc39ab\build2.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious use of WriteProcessMemory
        
        PID:4072
      - C:\Users\Admin\AppData\Local\6b0f16c5-6e16-4555-b76a-be3a7afc39ab\build2.exe
        
        "C:\Users\Admin\AppData\Local\6b0f16c5-6e16-4555-b76a-be3a7afc39ab\build2.exe"
        6⤵
        Executes dropped EXE
        Loads dropped DLL
        Checks processor information in registry
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of WriteProcessMemory
        
        PID:4228
        
        C:\Windows\SysWOW64\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\6b0f16c5-6e16-4555-b76a-be3a7afc39ab\build2.exe" & exit
        7⤵
        Suspicious use of WriteProcessMemory
        
        PID:5108
        
        C:\Windows\SysWOW64\timeout.exe
        
        timeout /t 6
        8⤵
        Delays execution with timeout.exe
        
        PID:4388
    - - C:\Users\Admin\AppData\Local\6b0f16c5-6e16-4555-b76a-be3a7afc39ab\build3.exe
        
        "C:\Users\Admin\AppData\Local\6b0f16c5-6e16-4555-b76a-be3a7afc39ab\build3.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of WriteProcessMemory
        
        PID:4484
      - 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:3084

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:5012
- 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:5044

Network

MITRE ATT&CK Enterprise 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 and Directory 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

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D

Filesize
2KB

MD5
ebf38835fd83d603ed2939112fe923d2

SHA1
27426896cf1aac5c41eff28eae202b44d92345f9

SHA256
1b703c5ef0e6349372108f3a7a2033a365e50a17e8d7cd278f93e4444f232b71

SHA512
7d4d060f679ba65f601e5e7d9bee51bec4bd801bb3440a5c1f856cfa643ccca152a670e38d1e458d419e5f41ee422d5f37029035e58c2e8e9ec9e0339c680a0d

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

Filesize
1KB

MD5
e23d8cd61c2e75283867a91ce42aa1dc

SHA1
a86f54bb4f00cf0fcd3efc3951d54e168d25c7f4

SHA256
0a8b65baa91fb423458dd64e067a6009cd4ce9a93c65ac4b448025403ab0ea9c

SHA512
89483da80407e373d6d0f18b4ddd3976a5cd8e590b398de51e881623f54e4c146ec57def18c26c8f7ca5e7ed00b51b9a94d14ad38d2d716b416507b41144c5f4

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

Filesize
488B

MD5
da1e58eb63a80f632a7649dd700ae481

SHA1
a4dae9cfaf1d61e1760dea074c968c43efb40b66

SHA256
8b76144cc1de74562c4390bb73312b29eeeba9c52b523f16b6d174024d20e3c7

SHA512
462d928a1831d429a85bbc907c339845329bec3c179e5b7b6ae473449fea0573df53455bcad940663f2ac0b9ab8dc77abf422c33f1e088df973c6615c785dfcc

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

Filesize
482B

MD5
c3cfb752f4fffc88d444db9014966f07

SHA1
b50ac7a4a2e5700ef674390f57acbcab0ca4d8cd

SHA256
85623c26a7681d62ac7e433d0b74b3f82e85eaba206dca8d5703efb678dd77c8

SHA512
48db74e6c3560b21553693d4d67355eb8d0542ae2ed52ece18a80b2164d54314f97d1f02ee911d56fe1396aee212db75beb16112fad383eedabd99d44ddfc8b3

Download Submit
C:\Users\Admin\AppData\Local\5fa3a62c-819c-4c64-b42c-7d4af2046426\a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823.exe

Filesize
781KB

MD5
7e70826c458202f742075cb3de0c3c17

SHA1
47134c44c142e381b6d995d87d75ab982f1b93cd

SHA256
a6cdd528ef9e977dc99481fe705b0d82871ea7bb93e85f7606a8411793a10823

SHA512
a6e637ca0a73d4fd3c324b91d1bbe113d42446d677712faf806507b6c7c460b7335aa23ea956df6eda28c808441f9cf8ad3f8442c5688b28696b47d1f2b40945

Download Submit
C:\Users\Admin\AppData\Local\6b0f16c5-6e16-4555-b76a-be3a7afc39ab\build2.exe

Filesize
299KB

MD5
6b343cd7dea3ae28d0819bc55a2f86fe

SHA1
cedd49849a5dd678d0a55da607e9b28a9680073c

SHA256
4240b655ed2af5ae8873b49e2e2d204383b2fd675c21f02527a9a4d9b719cd49

SHA512
7c28ba260fe53879b6e8f69d65c4263d454d75033889162d000c421695e634aeb13f4d4c2b999934f8eb2e58d62913764f1590689925e120600155d8390d0a48

Download Submit
C:\Users\Admin\AppData\Local\6b0f16c5-6e16-4555-b76a-be3a7afc39ab\build2.exe

Filesize
299KB

MD5
6b343cd7dea3ae28d0819bc55a2f86fe

SHA1
cedd49849a5dd678d0a55da607e9b28a9680073c

SHA256
4240b655ed2af5ae8873b49e2e2d204383b2fd675c21f02527a9a4d9b719cd49

SHA512
7c28ba260fe53879b6e8f69d65c4263d454d75033889162d000c421695e634aeb13f4d4c2b999934f8eb2e58d62913764f1590689925e120600155d8390d0a48

Download Submit
C:\Users\Admin\AppData\Local\6b0f16c5-6e16-4555-b76a-be3a7afc39ab\build2.exe

Filesize
299KB

MD5
6b343cd7dea3ae28d0819bc55a2f86fe

SHA1
cedd49849a5dd678d0a55da607e9b28a9680073c

SHA256
4240b655ed2af5ae8873b49e2e2d204383b2fd675c21f02527a9a4d9b719cd49

SHA512
7c28ba260fe53879b6e8f69d65c4263d454d75033889162d000c421695e634aeb13f4d4c2b999934f8eb2e58d62913764f1590689925e120600155d8390d0a48

Download Submit
C:\Users\Admin\AppData\Local\6b0f16c5-6e16-4555-b76a-be3a7afc39ab\build3.exe

Filesize
9KB

MD5
9ead10c08e72ae41921191f8db39bc16

SHA1
abe3bce01cd34afc88e2c838173f8c2bd0090ae1

SHA256
8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

SHA512
aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

Download Submit
C:\Users\Admin\AppData\Local\6b0f16c5-6e16-4555-b76a-be3a7afc39ab\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
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe

Filesize
9KB

MD5
9ead10c08e72ae41921191f8db39bc16

SHA1
abe3bce01cd34afc88e2c838173f8c2bd0090ae1

SHA256
8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

SHA512
aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

Download Submit
\ProgramData\mozglue.dll

Filesize
593KB

MD5
c8fd9be83bc728cc04beffafc2907fe9

SHA1
95ab9f701e0024cedfbd312bcfe4e726744c4f2e

SHA256
ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

SHA512
fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

Download Submit
\ProgramData\nss3.dll

Filesize
2.0MB

MD5
1cc453cdf74f31e4d913ff9c10acdde2

SHA1
6e85eae544d6e965f15fa5c39700fa7202f3aafe

SHA256
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

SHA512
dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

Download Submit
memory/2608-149-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2608-153-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2608-155-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2608-156-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2608-142-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2608-164-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2608-170-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2608-141-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2608-148-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2608-147-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3208-124-0x0000000004A20000-0x0000000004B3B000-memory.dmp

Filesize
1.1MB

Download
memory/4008-123-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4008-125-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4008-122-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4008-137-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4008-126-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4072-179-0x00000000020C0000-0x0000000002117000-memory.dmp

Filesize
348KB

Download
memory/4228-191-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/4228-180-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/4228-177-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/4228-236-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/4228-246-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/4228-178-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/4228-175-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/4228-249-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/4228-251-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download