djvu | bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f

Analysis

max time kernel
148s
max time network
128s
platform
windows10-1703_x64
resource
win10-20230220-en
resource tags

arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
submitted
03-04-2023 00:14

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General

Target

bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe
Size

751KB
MD5

673a85ca9746d156ebe79b5ebd4a5354
SHA1

20cbfa2d54f2ec48a69f105b6d64152ed0afe300
SHA256

bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f
SHA512

3746fe04b5a63e74241665b6dac461b86380c4f651f8bf46e9b0888fd01215f087facb6060cc1d239cf405a0cdc54aa003a0e1de2d8fb1711528cd7b78253cdb
SSDEEP

12288:Mdj3unUfQIx4bFFDmpBqB1WGrbl1GJ19uCV+YMdz9k7CQWR+co5jX4puXu29Z8+G:KcUr4pM3qB1WKM9BV+fzy7CRi0EXt9Z+

Score

10^/10

djvu vidar 5df88deb5dde677ba658b77ad5f60248 discovery persistence ransomware spyware stealer

Malware Config

Extracted

Family

djvu

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

Attributes

extension
.niwm
offline_id
FCP2fiITr4rryFhFBnA59GMgwES5CunmcbPc76t1
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-v8HcfXTy5x 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: 0681SUjhw

rsa_pubkey.plain

Extracted

Family

vidar

Version

3.2

Botnet

5df88deb5dde677ba658b77ad5f60248

https://steamcommunity.com/profiles/76561199489580435

https://t.me/tabootalks

Attributes

profile_id_v2
5df88deb5dde677ba658b77ad5f60248
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 15 IoCs

Processes:

resource	yara_rule
behavioral1/memory/500-119-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/500-120-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1780-121-0x0000000002550000-0x000000000266B000-memory.dmp	family_djvu
behavioral1/memory/500-122-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/500-123-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/500-134-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4220-138-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4220-139-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4220-144-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4220-146-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4220-150-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4220-153-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4220-152-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4220-154-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4220-167-0x0000000000400000-0x0000000000537000-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

1284 build2.exe
3752 build3.exe
3740 build2.exe
624 mstsca.exe
Loads dropped DLL 2 IoCs

Processes:

build2.exe

pid process

3740 build2.exe
3740 build2.exe
Modifies file permissions 1 TTPs 1 IoCs
discovery

File and Directory Permissions Modification
T1222

Processes:

icacls.exe

pid process

4156 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
1284	build2.exe
3752	build3.exe
3740	build2.exe
624	mstsca.exe

pid	process
3740	build2.exe
3740	build2.exe

pid	process
4156	icacls.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.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\\49d79e85-da41-4c29-93f4-abccc36d07cb\\bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe\" --AutoStart"	bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.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
11 api.2ip.ua

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

Suspicious use of SetThreadContext 3 IoCs

Processes:

bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exebc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exebuild2.exe

description	pid	process	target process
PID 1780 set thread context of 500	1780	bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe	bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe
PID 4576 set thread context of 4220	4576	bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe	bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe
PID 1284 set thread context of 3740	1284	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

4236 schtasks.exe
4424 schtasks.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

588 timeout.exe

pid	process
4236	schtasks.exe
4424	schtasks.exe

pid	process
588	timeout.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exebc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exebuild2.exe

pid	process
500	bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe
500	bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe
4220	bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe
4220	bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe
3740	build2.exe
3740	build2.exe

Suspicious use of WriteProcessMemory 53 IoCs

Processes:

bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exebc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exebc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exebc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exebuild3.exebuild2.exebuild2.execmd.exemstsca.exe

description	pid	process	target process
PID 1780 wrote to memory of 500	1780	bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe	bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe
PID 1780 wrote to memory of 500	1780	bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe	bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe
PID 1780 wrote to memory of 500	1780	bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe	bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe
PID 1780 wrote to memory of 500	1780	bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe	bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe
PID 1780 wrote to memory of 500	1780	bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe	bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe
PID 1780 wrote to memory of 500	1780	bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe	bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe
PID 1780 wrote to memory of 500	1780	bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe	bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe
PID 1780 wrote to memory of 500	1780	bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe	bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe
PID 1780 wrote to memory of 500	1780	bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe	bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe
PID 1780 wrote to memory of 500	1780	bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe	bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe
PID 500 wrote to memory of 4156	500	bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe	icacls.exe
PID 500 wrote to memory of 4156	500	bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe	icacls.exe
PID 500 wrote to memory of 4156	500	bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe	icacls.exe
PID 500 wrote to memory of 4576	500	bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe	bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe
PID 500 wrote to memory of 4576	500	bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe	bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe
PID 500 wrote to memory of 4576	500	bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe	bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe
PID 4576 wrote to memory of 4220	4576	bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe	bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe
PID 4576 wrote to memory of 4220	4576	bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe	bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe
PID 4576 wrote to memory of 4220	4576	bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe	bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe
PID 4576 wrote to memory of 4220	4576	bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe	bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe
PID 4576 wrote to memory of 4220	4576	bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe	bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe
PID 4576 wrote to memory of 4220	4576	bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe	bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe
PID 4576 wrote to memory of 4220	4576	bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe	bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe
PID 4576 wrote to memory of 4220	4576	bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe	bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe
PID 4576 wrote to memory of 4220	4576	bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe	bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe
PID 4576 wrote to memory of 4220	4576	bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe	bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe
PID 4220 wrote to memory of 1284	4220	bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe	build2.exe
PID 4220 wrote to memory of 1284	4220	bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe	build2.exe
PID 4220 wrote to memory of 1284	4220	bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe	build2.exe
PID 4220 wrote to memory of 3752	4220	bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe	build3.exe
PID 4220 wrote to memory of 3752	4220	bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe	build3.exe
PID 4220 wrote to memory of 3752	4220	bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe	build3.exe
PID 3752 wrote to memory of 4236	3752	build3.exe	schtasks.exe
PID 3752 wrote to memory of 4236	3752	build3.exe	schtasks.exe
PID 3752 wrote to memory of 4236	3752	build3.exe	schtasks.exe
PID 1284 wrote to memory of 3740	1284	build2.exe	build2.exe
PID 1284 wrote to memory of 3740	1284	build2.exe	build2.exe
PID 1284 wrote to memory of 3740	1284	build2.exe	build2.exe
PID 1284 wrote to memory of 3740	1284	build2.exe	build2.exe
PID 1284 wrote to memory of 3740	1284	build2.exe	build2.exe
PID 1284 wrote to memory of 3740	1284	build2.exe	build2.exe
PID 1284 wrote to memory of 3740	1284	build2.exe	build2.exe
PID 1284 wrote to memory of 3740	1284	build2.exe	build2.exe
PID 1284 wrote to memory of 3740	1284	build2.exe	build2.exe
PID 3740 wrote to memory of 5084	3740	build2.exe	cmd.exe
PID 3740 wrote to memory of 5084	3740	build2.exe	cmd.exe
PID 3740 wrote to memory of 5084	3740	build2.exe	cmd.exe
PID 5084 wrote to memory of 588	5084	cmd.exe	timeout.exe
PID 5084 wrote to memory of 588	5084	cmd.exe	timeout.exe
PID 5084 wrote to memory of 588	5084	cmd.exe	timeout.exe
PID 624 wrote to memory of 4424	624	mstsca.exe	schtasks.exe
PID 624 wrote to memory of 4424	624	mstsca.exe	schtasks.exe
PID 624 wrote to memory of 4424	624	mstsca.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe
"C:\Users\Admin\AppData\Local\Temp\bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1780
- C:\Users\Admin\AppData\Local\Temp\bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe
  "C:\Users\Admin\AppData\Local\Temp\bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:500
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\49d79e85-da41-4c29-93f4-abccc36d07cb" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    PID:4156
- - C:\Users\Admin\AppData\Local\Temp\bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe
    "C:\Users\Admin\AppData\Local\Temp\bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:4576
  - - C:\Users\Admin\AppData\Local\Temp\bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe
      "C:\Users\Admin\AppData\Local\Temp\bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of WriteProcessMemory
      PID:4220
    - - C:\Users\Admin\AppData\Local\efd2b521-ff1d-4e59-9d0d-f008ef73775f\build2.exe
        
        "C:\Users\Admin\AppData\Local\efd2b521-ff1d-4e59-9d0d-f008ef73775f\build2.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious use of WriteProcessMemory
        
        PID:1284
      - C:\Users\Admin\AppData\Local\efd2b521-ff1d-4e59-9d0d-f008ef73775f\build2.exe
        
        "C:\Users\Admin\AppData\Local\efd2b521-ff1d-4e59-9d0d-f008ef73775f\build2.exe"
        6⤵
        Executes dropped EXE
        Loads dropped DLL
        Checks processor information in registry
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of WriteProcessMemory
        
        PID:3740
        
        C:\Windows\SysWOW64\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\efd2b521-ff1d-4e59-9d0d-f008ef73775f\build2.exe" & exit
        7⤵
        Suspicious use of WriteProcessMemory
        
        PID:5084
        
        C:\Windows\SysWOW64\timeout.exe
        
        timeout /t 6
        8⤵
        Delays execution with timeout.exe
        
        PID:588
    - - C:\Users\Admin\AppData\Local\efd2b521-ff1d-4e59-9d0d-f008ef73775f\build3.exe
        
        "C:\Users\Admin\AppData\Local\efd2b521-ff1d-4e59-9d0d-f008ef73775f\build3.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of WriteProcessMemory
        
        PID:3752
      - 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:4236

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:624
- 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:4424

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
b636591fc66c9d2a1a425dd29939147f

SHA1
0d48b7a8df06ce304c8a8b1c1dae5912c6b666f4

SHA256
95c629cd39afdd4a9e98a94b6ea6a85c3e692c27c77d963899177b55948b72d1

SHA512
e6be6c7ec5a010a3a3509a567891a0f338bf19e84649f5240e7e500cfc87c752cb28ca6a54aa93d896f4cdf2eac46775bf1165b0085eab23176b237d1bd9ad31

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

Filesize
1KB

MD5
6a3b8331e801f083b403b0857ed8d574

SHA1
48d275731f1dbd0630d1ca55a1b05f149a011d1f

SHA256
98651a2da4a4613bc2a03c4128926fe6b05f1af8a7a21e1fedec75db013706a0

SHA512
7527b8857707c8822e4b7f5049ddc9b4c49933e68535690746d84b7f0187a10f36e874719bdb1bf3ba8b035568a7cbafd687b80c4621dc35552d73f7e497071d

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

Filesize
488B

MD5
a41fc9254d96751a5d373872ab24d0a3

SHA1
936e89195a579a984cf161d795ffa1fdf5279d37

SHA256
aa307d1c85602bf8cffe654672ef600ca93cf903b7e25c5be77f71d34c6385d4

SHA512
14b56b7e7bcd9d8a404f69d2daccca7037044fd06441e4a2c2f3cc08dbf3476c87bcf272dcf8564993efa8065f5a4c78392bf9fcad025da51d1c63a0b9c3d586

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

Filesize
482B

MD5
fb2109025183f2b1083a2c1662cbfde6

SHA1
cb5cfbf37d588ebf81b59b14c4fe52c253eb6dbf

SHA256
c7614958904df322e360873cbd5b8b17d95e9c51e54691d3ef9ac36862cbe825

SHA512
2eac42df37bc47ff0dea00aee5eb12048e86ff4072f5d1e1e8c032e94a7826f089b381b0e5c9bdec714981cb7c56b13295ffc82752679c347ff52002474539f3

Download Submit
C:\Users\Admin\AppData\Local\49d79e85-da41-4c29-93f4-abccc36d07cb\bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f.exe

Filesize
751KB

MD5
673a85ca9746d156ebe79b5ebd4a5354

SHA1
20cbfa2d54f2ec48a69f105b6d64152ed0afe300

SHA256
bc8e11d914b3793e4975fc2fefa497f13ae3de081c866a8fb113a28af7e9350f

SHA512
3746fe04b5a63e74241665b6dac461b86380c4f651f8bf46e9b0888fd01215f087facb6060cc1d239cf405a0cdc54aa003a0e1de2d8fb1711528cd7b78253cdb

Download Submit
C:\Users\Admin\AppData\Local\efd2b521-ff1d-4e59-9d0d-f008ef73775f\build2.exe

Filesize
416KB

MD5
aa18968e6cfbdc382ada6a3ed2852085

SHA1
4a41fa1a182916d5790aa2071106b3441d64468d

SHA256
c165c8db38ef8dd8c33d103b5ee78e9ddafd8081ff0c7c035fa5251f970e6cfb

SHA512
8ffdacca2b003438fd4874e7c88beedb6ad8cf9cd5b36fda5907751e06a85a829e7d9ce7335fb59590462f78054722bccba511b21db838368c661d993000a845

Download Submit
C:\Users\Admin\AppData\Local\efd2b521-ff1d-4e59-9d0d-f008ef73775f\build2.exe

Filesize
416KB

MD5
aa18968e6cfbdc382ada6a3ed2852085

SHA1
4a41fa1a182916d5790aa2071106b3441d64468d

SHA256
c165c8db38ef8dd8c33d103b5ee78e9ddafd8081ff0c7c035fa5251f970e6cfb

SHA512
8ffdacca2b003438fd4874e7c88beedb6ad8cf9cd5b36fda5907751e06a85a829e7d9ce7335fb59590462f78054722bccba511b21db838368c661d993000a845

Download Submit
C:\Users\Admin\AppData\Local\efd2b521-ff1d-4e59-9d0d-f008ef73775f\build2.exe

Filesize
416KB

MD5
aa18968e6cfbdc382ada6a3ed2852085

SHA1
4a41fa1a182916d5790aa2071106b3441d64468d

SHA256
c165c8db38ef8dd8c33d103b5ee78e9ddafd8081ff0c7c035fa5251f970e6cfb

SHA512
8ffdacca2b003438fd4874e7c88beedb6ad8cf9cd5b36fda5907751e06a85a829e7d9ce7335fb59590462f78054722bccba511b21db838368c661d993000a845

Download Submit
C:\Users\Admin\AppData\Local\efd2b521-ff1d-4e59-9d0d-f008ef73775f\build3.exe

Filesize
9KB

MD5
9ead10c08e72ae41921191f8db39bc16

SHA1
abe3bce01cd34afc88e2c838173f8c2bd0090ae1

SHA256
8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

SHA512
aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

Download Submit
C:\Users\Admin\AppData\Local\efd2b521-ff1d-4e59-9d0d-f008ef73775f\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/500-123-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/500-122-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/500-120-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/500-119-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/500-134-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1284-175-0x0000000002CC0000-0x0000000002D17000-memory.dmp

Filesize
348KB

Download
memory/1780-121-0x0000000002550000-0x000000000266B000-memory.dmp

Filesize
1.1MB

Download
memory/3740-189-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/3740-233-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/3740-246-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/3740-172-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/3740-244-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/3740-243-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/3740-174-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/3740-176-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/3740-177-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/4220-153-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4220-150-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4220-146-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4220-138-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4220-167-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4220-152-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4220-154-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4220-144-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4220-139-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download