djvu | 7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a

Analysis

max time kernel
148s
max time network
136s
platform
windows10-1703_x64
resource
win10-20231020-en
resource tags

arch:x64arch:x86image:win10-20231020-enlocale:en-usos:windows10-1703-x64system
submitted
02-12-2023 09:30

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General

Target

7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe
Size

750KB
MD5

24c934eca55ba7dd5f9c534c0a027fd7
SHA1

9b6a9d6158319e42ed89ab6c99266fd13a57682e
SHA256

7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a
SHA512

3fffa0f0703a6b20804c0e25377f86797cdf9a7996e29142330fbc45768de94c056cf601f428586556f611ea9506159b880261b09d89130f21f9afc2c183a214
SSDEEP

12288:1oHDbvyBQZNvln+Zu4bj2wbwaDBh3DTGv8K86NUHrnLAd3U/W3bBDsTaXI+NKv:1EDbaBQZyIOLbwaFh3D2xmTLAdk+LKay

Score

10^/10

djvu vidar aef20f7eb91ec5457d74e4fa0796c2bf discovery persistence ransomware stealer

Malware Config

Extracted

Family

djvu

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

Attributes

extension
.jazi
offline_id
UlJXrkKDIkENh0vb5W9For2Yyh6riGytjO5p2St1
payload_url
http://brusuax.com/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-iu965qqEb1 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: 0830Usdk

rsa_pubkey.plain

Extracted

Family

vidar

Version

6.7

Botnet

aef20f7eb91ec5457d74e4fa0796c2bf

https://t.me/s4p0g

https://steamcommunity.com/profiles/76561199575355834

Attributes

profile_id_v2
aef20f7eb91ec5457d74e4fa0796c2bf

Signatures

Detected Djvu ransomware 17 IoCs

Processes:

resource	yara_rule
behavioral1/memory/3192-2-0x0000000002570000-0x000000000268B000-memory.dmp	family_djvu
behavioral1/memory/4708-3-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4708-4-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4708-5-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4708-6-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4708-19-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1436-24-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1436-25-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1436-26-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1436-33-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1436-34-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1436-38-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1436-40-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1436-41-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1436-45-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1436-55-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4620-59-0x0000000002CE0000-0x0000000002DE0000-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 8 IoCs

Processes:

build2.exebuild3.exebuild2.exebuild3.exemstsca.exemstsca.exemstsca.exemstsca.exe

pid process

4620 build2.exe
2268 build3.exe
5112 build2.exe
2876 build3.exe
864 mstsca.exe
4848 mstsca.exe
444 mstsca.exe
3312 mstsca.exe
Modifies file permissions 1 TTPs 1 IoCs
discovery

File and Directory Permissions Modification
T1222

Processes:

icacls.exe

pid process

4008 icacls.exe

pid	process
4620	build2.exe
2268	build3.exe
5112	build2.exe
2876	build3.exe
864	mstsca.exe
4848	mstsca.exe
444	mstsca.exe
3312	mstsca.exe

pid	process
4008	icacls.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1534848907-968546671-3000393597-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\640d84f5-a0a7-43dd-85b4-6a6fee04b18b\\7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe\" --AutoStart"	7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe

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

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

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

Suspicious use of SetThreadContext 6 IoCs

Processes:

7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exebuild2.exebuild3.exemstsca.exemstsca.exe

description	pid	process	target process
PID 3192 set thread context of 4708	3192	7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe	7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe
PID 2248 set thread context of 1436	2248	7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe	7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe
PID 4620 set thread context of 5112	4620	build2.exe	build2.exe
PID 2268 set thread context of 2876	2268	build3.exe	build3.exe
PID 864 set thread context of 4848	864	mstsca.exe	mstsca.exe
PID 444 set thread context of 3312	444	mstsca.exe	mstsca.exe

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

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4484 5112 WerFault.exe 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/Job
T1053

Processes:

schtasks.exeschtasks.exe

pid process

5032 schtasks.exe
4820 schtasks.exe

pid	pid_target	process	target process
4484	5112	WerFault.exe	build2.exe

pid	process
5032	schtasks.exe
4820	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe

pid	process
4708	7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe
4708	7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe
1436	7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe
1436	7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exebuild2.exebuild3.exebuild3.exemstsca.exemstsca.exe

description	pid	process	target process
PID 3192 wrote to memory of 4708	3192	7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe	7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe
PID 3192 wrote to memory of 4708	3192	7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe	7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe
PID 3192 wrote to memory of 4708	3192	7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe	7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe
PID 3192 wrote to memory of 4708	3192	7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe	7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe
PID 3192 wrote to memory of 4708	3192	7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe	7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe
PID 3192 wrote to memory of 4708	3192	7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe	7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe
PID 3192 wrote to memory of 4708	3192	7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe	7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe
PID 3192 wrote to memory of 4708	3192	7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe	7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe
PID 3192 wrote to memory of 4708	3192	7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe	7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe
PID 3192 wrote to memory of 4708	3192	7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe	7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe
PID 4708 wrote to memory of 4008	4708	7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe	icacls.exe
PID 4708 wrote to memory of 4008	4708	7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe	icacls.exe
PID 4708 wrote to memory of 4008	4708	7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe	icacls.exe
PID 4708 wrote to memory of 2248	4708	7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe	7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe
PID 4708 wrote to memory of 2248	4708	7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe	7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe
PID 4708 wrote to memory of 2248	4708	7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe	7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe
PID 2248 wrote to memory of 1436	2248	7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe	7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe
PID 2248 wrote to memory of 1436	2248	7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe	7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe
PID 2248 wrote to memory of 1436	2248	7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe	7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe
PID 2248 wrote to memory of 1436	2248	7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe	7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe
PID 2248 wrote to memory of 1436	2248	7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe	7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe
PID 2248 wrote to memory of 1436	2248	7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe	7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe
PID 2248 wrote to memory of 1436	2248	7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe	7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe
PID 2248 wrote to memory of 1436	2248	7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe	7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe
PID 2248 wrote to memory of 1436	2248	7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe	7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe
PID 2248 wrote to memory of 1436	2248	7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe	7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe
PID 1436 wrote to memory of 4620	1436	7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe	build2.exe
PID 1436 wrote to memory of 4620	1436	7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe	build2.exe
PID 1436 wrote to memory of 4620	1436	7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe	build2.exe
PID 1436 wrote to memory of 2268	1436	7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe	build3.exe
PID 1436 wrote to memory of 2268	1436	7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe	build3.exe
PID 1436 wrote to memory of 2268	1436	7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe	build3.exe
PID 4620 wrote to memory of 5112	4620	build2.exe	build2.exe
PID 4620 wrote to memory of 5112	4620	build2.exe	build2.exe
PID 4620 wrote to memory of 5112	4620	build2.exe	build2.exe
PID 4620 wrote to memory of 5112	4620	build2.exe	build2.exe
PID 4620 wrote to memory of 5112	4620	build2.exe	build2.exe
PID 4620 wrote to memory of 5112	4620	build2.exe	build2.exe
PID 4620 wrote to memory of 5112	4620	build2.exe	build2.exe
PID 4620 wrote to memory of 5112	4620	build2.exe	build2.exe
PID 4620 wrote to memory of 5112	4620	build2.exe	build2.exe
PID 2268 wrote to memory of 2876	2268	build3.exe	build3.exe
PID 2268 wrote to memory of 2876	2268	build3.exe	build3.exe
PID 2268 wrote to memory of 2876	2268	build3.exe	build3.exe
PID 2268 wrote to memory of 2876	2268	build3.exe	build3.exe
PID 2268 wrote to memory of 2876	2268	build3.exe	build3.exe
PID 2268 wrote to memory of 2876	2268	build3.exe	build3.exe
PID 2268 wrote to memory of 2876	2268	build3.exe	build3.exe
PID 2268 wrote to memory of 2876	2268	build3.exe	build3.exe
PID 2268 wrote to memory of 2876	2268	build3.exe	build3.exe
PID 2876 wrote to memory of 5032	2876	build3.exe	schtasks.exe
PID 2876 wrote to memory of 5032	2876	build3.exe	schtasks.exe
PID 2876 wrote to memory of 5032	2876	build3.exe	schtasks.exe
PID 864 wrote to memory of 4848	864	mstsca.exe	mstsca.exe
PID 864 wrote to memory of 4848	864	mstsca.exe	mstsca.exe
PID 864 wrote to memory of 4848	864	mstsca.exe	mstsca.exe
PID 864 wrote to memory of 4848	864	mstsca.exe	mstsca.exe
PID 864 wrote to memory of 4848	864	mstsca.exe	mstsca.exe
PID 864 wrote to memory of 4848	864	mstsca.exe	mstsca.exe
PID 864 wrote to memory of 4848	864	mstsca.exe	mstsca.exe
PID 864 wrote to memory of 4848	864	mstsca.exe	mstsca.exe
PID 864 wrote to memory of 4848	864	mstsca.exe	mstsca.exe
PID 4848 wrote to memory of 4820	4848	mstsca.exe	schtasks.exe
PID 4848 wrote to memory of 4820	4848	mstsca.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe
"C:\Users\Admin\AppData\Local\Temp\7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3192

C:\Users\Admin\AppData\Local\Temp\7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe
"C:\Users\Admin\AppData\Local\Temp\7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4708

C:\Windows\SysWOW64\icacls.exe
icacls "C:\Users\Admin\AppData\Local\640d84f5-a0a7-43dd-85b4-6a6fee04b18b" /deny *S-1-1-0:(OI)(CI)(DE,DC)
3⤵
- Modifies file permissions
PID:4008

C:\Users\Admin\AppData\Local\Temp\7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe
"C:\Users\Admin\AppData\Local\Temp\7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe" --Admin IsNotAutoStart IsNotTask
3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2248

C:\Users\Admin\AppData\Local\Temp\7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe
"C:\Users\Admin\AppData\Local\Temp\7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe" --Admin IsNotAutoStart IsNotTask
4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1436

C:\Users\Admin\AppData\Local\0b7959ca-6453-4622-85a9-84c51076c453\build2.exe
"C:\Users\Admin\AppData\Local\0b7959ca-6453-4622-85a9-84c51076c453\build2.exe"
5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4620

C:\Users\Admin\AppData\Local\0b7959ca-6453-4622-85a9-84c51076c453\build2.exe
"C:\Users\Admin\AppData\Local\0b7959ca-6453-4622-85a9-84c51076c453\build2.exe"
6⤵
- Executes dropped EXE
PID:5112

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 5112 -s 1936
7⤵
- Program crash
PID:4484

C:\Users\Admin\AppData\Local\0b7959ca-6453-4622-85a9-84c51076c453\build3.exe
"C:\Users\Admin\AppData\Local\0b7959ca-6453-4622-85a9-84c51076c453\build3.exe"
5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2268

C:\Users\Admin\AppData\Local\0b7959ca-6453-4622-85a9-84c51076c453\build3.exe
"C:\Users\Admin\AppData\Local\0b7959ca-6453-4622-85a9-84c51076c453\build3.exe"
6⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2876

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"
7⤵
- Creates scheduled task(s)
PID:5032

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 SetThreadContext
- Suspicious use of WriteProcessMemory
PID:864

C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4848

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"
3⤵
- Creates scheduled task(s)
PID:4820

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 SetThreadContext
PID:444

C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
2⤵
- Executes dropped EXE
PID:3312

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Defense Evasion

File and Directory Permissions Modification

T1222

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA

Filesize
1KB

MD5
6a1c010468acf13f71d518cc418e0f0c

SHA1
e89d312d492ad10ecbd783087b9e746863b3176c

SHA256
04e650c7f37ea6c059b5d352e7f8eb5bc155442f941520c6e9d374d5e505b72a

SHA512
e7a3961b07ed24783525397476f98096d5ae08d7c3060c894897a562fb59266419ced93674a7215439bcb74bb20b8aed7992acd99d9e028fd9fcb63cd68d02af

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464

Filesize
724B

MD5
8202a1cd02e7d69597995cabbe881a12

SHA1
8858d9d934b7aa9330ee73de6c476acf19929ff6

SHA256
58f381c3a0a0ace6321da22e40bd44a597bd98b9c9390ab9258426b5cf75a7a5

SHA512
97ba9fceab995d4bef706f8deef99e06862999734ebe6a05832c710104479c6337cbf0a76e1c1e0f91566a61334dc100d837dfd049e20da765fe49def684f9c9

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA

Filesize
410B

MD5
4f8b004540aee29a81fc82676f5333fd

SHA1
1a1f5ea72f62ace444ec41d25dd9b524a66d39b3

SHA256
c6a09c6f903df9ce58899616b50a685d4dd0e5ca28bfc55c1bdc7c8cc7e7df3e

SHA512
4cad5efab707809ba5167903bd99036fa4675c26b7a24da4b51993612a7c9398a9730cee8fb49fb1635dbca50e5726c614e6e05484d1c1ac1d81360df638275a

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464

Filesize
392B

MD5
7fc99df7316a615c524513b364447d4d

SHA1
d23e28f28e6688edfcf450b058c3db6392fc3215

SHA256
21c3b02656a531112b8bce92dc0afad74e3a6a737b4b97f757caafe3875db0d3

SHA512
db0a2a425ff552c6ffdb5ac854dad9eb7599de1afebbab7a414f7fe0ff56461267babfd3588c65a51a996e74625b1ff96104b821c89b6a6e69ebe13846459181

Download Submit
C:\Users\Admin\AppData\Local\0b7959ca-6453-4622-85a9-84c51076c453\build2.exe

Filesize
328KB

MD5
8d6be514da06d4376ac1effe95572578

SHA1
c2a7b7ae2e895bcfe4455e9b18f3336249a496c5

SHA256
7658a56d7ea6afcc08a4f44652e04d98b5f83b8ec232b341ffa59aa77cd568ec

SHA512
b13d721d65fb1a54f067805f72ea32e2a9ff729d0898024f880fec51647292c9a55d0c8f9498e5573eb8c5597810011dccb96167f86be44a55348c4bb65bd13a

Download Submit
C:\Users\Admin\AppData\Local\0b7959ca-6453-4622-85a9-84c51076c453\build2.exe

Filesize
328KB

MD5
8d6be514da06d4376ac1effe95572578

SHA1
c2a7b7ae2e895bcfe4455e9b18f3336249a496c5

SHA256
7658a56d7ea6afcc08a4f44652e04d98b5f83b8ec232b341ffa59aa77cd568ec

SHA512
b13d721d65fb1a54f067805f72ea32e2a9ff729d0898024f880fec51647292c9a55d0c8f9498e5573eb8c5597810011dccb96167f86be44a55348c4bb65bd13a

Download Submit
C:\Users\Admin\AppData\Local\0b7959ca-6453-4622-85a9-84c51076c453\build2.exe

Filesize
328KB

MD5
8d6be514da06d4376ac1effe95572578

SHA1
c2a7b7ae2e895bcfe4455e9b18f3336249a496c5

SHA256
7658a56d7ea6afcc08a4f44652e04d98b5f83b8ec232b341ffa59aa77cd568ec

SHA512
b13d721d65fb1a54f067805f72ea32e2a9ff729d0898024f880fec51647292c9a55d0c8f9498e5573eb8c5597810011dccb96167f86be44a55348c4bb65bd13a

Download Submit
C:\Users\Admin\AppData\Local\0b7959ca-6453-4622-85a9-84c51076c453\build3.exe

Filesize
299KB

MD5
41b883a061c95e9b9cb17d4ca50de770

SHA1
1daf96ec21d53d9a4699cea9b4db08cda6fbb5ad

SHA256
fef2c8ca07c500e416fd7700a381c39899ee26ce1119f62e7c65cf922ce8b408

SHA512
cdd1bb3a36182575cd715a52815765161eeaa3849e72c1c2a9a4e84cc43af9f8ec4997e642702bb3de41f162d2e8fd8717f6f8302bba5306821ee4d155626319

Download Submit
C:\Users\Admin\AppData\Local\0b7959ca-6453-4622-85a9-84c51076c453\build3.exe

Filesize
299KB

MD5
41b883a061c95e9b9cb17d4ca50de770

SHA1
1daf96ec21d53d9a4699cea9b4db08cda6fbb5ad

SHA256
fef2c8ca07c500e416fd7700a381c39899ee26ce1119f62e7c65cf922ce8b408

SHA512
cdd1bb3a36182575cd715a52815765161eeaa3849e72c1c2a9a4e84cc43af9f8ec4997e642702bb3de41f162d2e8fd8717f6f8302bba5306821ee4d155626319

Download Submit
C:\Users\Admin\AppData\Local\0b7959ca-6453-4622-85a9-84c51076c453\build3.exe

Filesize
299KB

MD5
41b883a061c95e9b9cb17d4ca50de770

SHA1
1daf96ec21d53d9a4699cea9b4db08cda6fbb5ad

SHA256
fef2c8ca07c500e416fd7700a381c39899ee26ce1119f62e7c65cf922ce8b408

SHA512
cdd1bb3a36182575cd715a52815765161eeaa3849e72c1c2a9a4e84cc43af9f8ec4997e642702bb3de41f162d2e8fd8717f6f8302bba5306821ee4d155626319

Download Submit
C:\Users\Admin\AppData\Local\640d84f5-a0a7-43dd-85b4-6a6fee04b18b\7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a.exe

Filesize
750KB

MD5
24c934eca55ba7dd5f9c534c0a027fd7

SHA1
9b6a9d6158319e42ed89ab6c99266fd13a57682e

SHA256
7529a823c08d465d83e92e3b9e35b9ee598e71ca4adfaa81fb98216542ac784a

SHA512
3fffa0f0703a6b20804c0e25377f86797cdf9a7996e29142330fbc45768de94c056cf601f428586556f611ea9506159b880261b09d89130f21f9afc2c183a214

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

Filesize
299KB

MD5
41b883a061c95e9b9cb17d4ca50de770

SHA1
1daf96ec21d53d9a4699cea9b4db08cda6fbb5ad

SHA256
fef2c8ca07c500e416fd7700a381c39899ee26ce1119f62e7c65cf922ce8b408

SHA512
cdd1bb3a36182575cd715a52815765161eeaa3849e72c1c2a9a4e84cc43af9f8ec4997e642702bb3de41f162d2e8fd8717f6f8302bba5306821ee4d155626319

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

Filesize
299KB

MD5
41b883a061c95e9b9cb17d4ca50de770

SHA1
1daf96ec21d53d9a4699cea9b4db08cda6fbb5ad

SHA256
fef2c8ca07c500e416fd7700a381c39899ee26ce1119f62e7c65cf922ce8b408

SHA512
cdd1bb3a36182575cd715a52815765161eeaa3849e72c1c2a9a4e84cc43af9f8ec4997e642702bb3de41f162d2e8fd8717f6f8302bba5306821ee4d155626319

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

Filesize
299KB

MD5
41b883a061c95e9b9cb17d4ca50de770

SHA1
1daf96ec21d53d9a4699cea9b4db08cda6fbb5ad

SHA256
fef2c8ca07c500e416fd7700a381c39899ee26ce1119f62e7c65cf922ce8b408

SHA512
cdd1bb3a36182575cd715a52815765161eeaa3849e72c1c2a9a4e84cc43af9f8ec4997e642702bb3de41f162d2e8fd8717f6f8302bba5306821ee4d155626319

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

Filesize
299KB

MD5
41b883a061c95e9b9cb17d4ca50de770

SHA1
1daf96ec21d53d9a4699cea9b4db08cda6fbb5ad

SHA256
fef2c8ca07c500e416fd7700a381c39899ee26ce1119f62e7c65cf922ce8b408

SHA512
cdd1bb3a36182575cd715a52815765161eeaa3849e72c1c2a9a4e84cc43af9f8ec4997e642702bb3de41f162d2e8fd8717f6f8302bba5306821ee4d155626319

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

Filesize
299KB

MD5
41b883a061c95e9b9cb17d4ca50de770

SHA1
1daf96ec21d53d9a4699cea9b4db08cda6fbb5ad

SHA256
fef2c8ca07c500e416fd7700a381c39899ee26ce1119f62e7c65cf922ce8b408

SHA512
cdd1bb3a36182575cd715a52815765161eeaa3849e72c1c2a9a4e84cc43af9f8ec4997e642702bb3de41f162d2e8fd8717f6f8302bba5306821ee4d155626319

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

Filesize
299KB

MD5
41b883a061c95e9b9cb17d4ca50de770

SHA1
1daf96ec21d53d9a4699cea9b4db08cda6fbb5ad

SHA256
fef2c8ca07c500e416fd7700a381c39899ee26ce1119f62e7c65cf922ce8b408

SHA512
cdd1bb3a36182575cd715a52815765161eeaa3849e72c1c2a9a4e84cc43af9f8ec4997e642702bb3de41f162d2e8fd8717f6f8302bba5306821ee4d155626319

Download Submit
memory/444-123-0x0000000000A20000-0x0000000000B20000-memory.dmp

Filesize
1024KB

Download
memory/864-99-0x00000000008B9000-0x00000000008C9000-memory.dmp

Filesize
64KB

Download
memory/1436-55-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1436-45-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1436-40-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1436-38-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1436-24-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1436-34-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1436-33-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1436-41-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1436-26-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1436-25-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2248-23-0x0000000002510000-0x00000000025AB000-memory.dmp

Filesize
620KB

Download
memory/2268-74-0x0000000002290000-0x0000000002294000-memory.dmp

Filesize
16KB

Download
memory/2268-72-0x00000000009F0000-0x0000000000AF0000-memory.dmp

Filesize
1024KB

Download
memory/2876-76-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2876-77-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2876-79-0x0000000000410000-0x00000000004D5000-memory.dmp

Filesize
788KB

Download
memory/2876-71-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/3192-1-0x00000000023B0000-0x000000000244C000-memory.dmp

Filesize
624KB

Download
memory/3192-2-0x0000000002570000-0x000000000268B000-memory.dmp

Filesize
1.1MB

Download
memory/4620-59-0x0000000002CE0000-0x0000000002DE0000-memory.dmp

Filesize
1024KB

Download
memory/4620-60-0x0000000004580000-0x00000000045B7000-memory.dmp

Filesize
220KB

Download
memory/4708-19-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4708-6-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4708-5-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4708-4-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4708-3-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/5112-65-0x0000000000400000-0x0000000000649000-memory.dmp

Filesize
2.3MB

Download
memory/5112-64-0x0000000000400000-0x0000000000649000-memory.dmp

Filesize
2.3MB

Download
memory/5112-81-0x0000000000400000-0x0000000000649000-memory.dmp

Filesize
2.3MB

Download
memory/5112-61-0x0000000000400000-0x0000000000649000-memory.dmp

Filesize
2.3MB

Download