djvu | 56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538

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
01-04-2023 11:10

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General

Target

56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe
Size

741KB
MD5

c9f619481a1fbfce73b287b14d095995
SHA1

e6a2d5e24b879edf110b3d1d32b8b663e6316ace
SHA256

56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538
SHA512

ad0c9c00f1d514b24bf0422e911f76676be8cff2717292c1488d759f2c0ebcaf4b006621af92626e7890605a3623c12e5905d9f66be734461903b5c7f0ac3fe5
SSDEEP

12288:p/iRRtzOl7omUxHeKW1pthttNkUzyOYSmMLoBPpaffKmiE6ImMSHGw:Q3zOl7o1xHDW1p/t8UuO1Lapan5iw+z

Score

10^/10

djvu vidar 5df88deb5dde677ba658b77ad5f60248 discovery persistence ransomware spyware stealer

Malware Config

Extracted

Family

djvu

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

Attributes

extension
.nitz
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: 0680SUjhw

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/3796-122-0x0000000004AD0000-0x0000000004BEB000-memory.dmp	family_djvu
behavioral1/memory/4120-123-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4120-124-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4120-125-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4120-126-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4120-137-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4760-141-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4760-142-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4760-147-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4760-149-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4760-153-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4760-155-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4760-156-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4760-157-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4760-170-0x0000000000400000-0x0000000000537000-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

4496 build2.exe
4708 build3.exe
2180 build2.exe
5052 mstsca.exe
Loads dropped DLL 2 IoCs

Processes:

build2.exe

pid process

2180 build2.exe
2180 build2.exe
Modifies file permissions 1 TTPs 1 IoCs
discovery

File and Directory Permissions Modification
T1222

Processes:

icacls.exe

pid process

1832 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
4496	build2.exe
4708	build3.exe
2180	build2.exe
5052	mstsca.exe

pid	process
2180	build2.exe
2180	build2.exe

pid	process
1832	icacls.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.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\\9acad0a1-ad86-4dd8-a44a-50b5fd2cb405\\56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe\" --AutoStart"	56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.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

2 api.2ip.ua
12 api.2ip.ua
1 api.2ip.ua

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

Suspicious use of SetThreadContext 3 IoCs

Processes:

56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exebuild2.exe

description	pid	process	target process
PID 3796 set thread context of 4120	3796	56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe	56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe
PID 2872 set thread context of 4760	2872	56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe	56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe
PID 4496 set thread context of 2180	4496	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

3924 schtasks.exe
4948 schtasks.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

4996 timeout.exe

pid	process
3924	schtasks.exe
4948	schtasks.exe

pid	process
4996	timeout.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exebuild2.exe

pid	process
4120	56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe
4120	56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe
4760	56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe
4760	56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe
2180	build2.exe
2180	build2.exe

Suspicious use of WriteProcessMemory 53 IoCs

Processes:

56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exebuild3.exebuild2.exebuild2.execmd.exemstsca.exe

description	pid	process	target process
PID 3796 wrote to memory of 4120	3796	56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe	56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe
PID 3796 wrote to memory of 4120	3796	56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe	56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe
PID 3796 wrote to memory of 4120	3796	56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe	56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe
PID 3796 wrote to memory of 4120	3796	56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe	56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe
PID 3796 wrote to memory of 4120	3796	56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe	56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe
PID 3796 wrote to memory of 4120	3796	56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe	56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe
PID 3796 wrote to memory of 4120	3796	56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe	56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe
PID 3796 wrote to memory of 4120	3796	56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe	56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe
PID 3796 wrote to memory of 4120	3796	56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe	56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe
PID 3796 wrote to memory of 4120	3796	56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe	56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe
PID 4120 wrote to memory of 1832	4120	56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe	icacls.exe
PID 4120 wrote to memory of 1832	4120	56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe	icacls.exe
PID 4120 wrote to memory of 1832	4120	56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe	icacls.exe
PID 4120 wrote to memory of 2872	4120	56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe	56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe
PID 4120 wrote to memory of 2872	4120	56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe	56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe
PID 4120 wrote to memory of 2872	4120	56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe	56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe
PID 2872 wrote to memory of 4760	2872	56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe	56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe
PID 2872 wrote to memory of 4760	2872	56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe	56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe
PID 2872 wrote to memory of 4760	2872	56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe	56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe
PID 2872 wrote to memory of 4760	2872	56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe	56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe
PID 2872 wrote to memory of 4760	2872	56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe	56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe
PID 2872 wrote to memory of 4760	2872	56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe	56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe
PID 2872 wrote to memory of 4760	2872	56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe	56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe
PID 2872 wrote to memory of 4760	2872	56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe	56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe
PID 2872 wrote to memory of 4760	2872	56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe	56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe
PID 2872 wrote to memory of 4760	2872	56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe	56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe
PID 4760 wrote to memory of 4496	4760	56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe	build2.exe
PID 4760 wrote to memory of 4496	4760	56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe	build2.exe
PID 4760 wrote to memory of 4496	4760	56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe	build2.exe
PID 4760 wrote to memory of 4708	4760	56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe	build3.exe
PID 4760 wrote to memory of 4708	4760	56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe	build3.exe
PID 4760 wrote to memory of 4708	4760	56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe	build3.exe
PID 4708 wrote to memory of 3924	4708	build3.exe	schtasks.exe
PID 4708 wrote to memory of 3924	4708	build3.exe	schtasks.exe
PID 4708 wrote to memory of 3924	4708	build3.exe	schtasks.exe
PID 4496 wrote to memory of 2180	4496	build2.exe	build2.exe
PID 4496 wrote to memory of 2180	4496	build2.exe	build2.exe
PID 4496 wrote to memory of 2180	4496	build2.exe	build2.exe
PID 4496 wrote to memory of 2180	4496	build2.exe	build2.exe
PID 4496 wrote to memory of 2180	4496	build2.exe	build2.exe
PID 4496 wrote to memory of 2180	4496	build2.exe	build2.exe
PID 4496 wrote to memory of 2180	4496	build2.exe	build2.exe
PID 4496 wrote to memory of 2180	4496	build2.exe	build2.exe
PID 4496 wrote to memory of 2180	4496	build2.exe	build2.exe
PID 2180 wrote to memory of 4364	2180	build2.exe	cmd.exe
PID 2180 wrote to memory of 4364	2180	build2.exe	cmd.exe
PID 2180 wrote to memory of 4364	2180	build2.exe	cmd.exe
PID 4364 wrote to memory of 4996	4364	cmd.exe	timeout.exe
PID 4364 wrote to memory of 4996	4364	cmd.exe	timeout.exe
PID 4364 wrote to memory of 4996	4364	cmd.exe	timeout.exe
PID 5052 wrote to memory of 4948	5052	mstsca.exe	schtasks.exe
PID 5052 wrote to memory of 4948	5052	mstsca.exe	schtasks.exe
PID 5052 wrote to memory of 4948	5052	mstsca.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe
"C:\Users\Admin\AppData\Local\Temp\56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3796
- C:\Users\Admin\AppData\Local\Temp\56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe
  "C:\Users\Admin\AppData\Local\Temp\56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:4120
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\9acad0a1-ad86-4dd8-a44a-50b5fd2cb405" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    PID:1832
- - C:\Users\Admin\AppData\Local\Temp\56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe
    "C:\Users\Admin\AppData\Local\Temp\56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:2872
  - - C:\Users\Admin\AppData\Local\Temp\56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe
      "C:\Users\Admin\AppData\Local\Temp\56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of WriteProcessMemory
      PID:4760
    - - C:\Users\Admin\AppData\Local\6871a17d-6d8c-438b-9581-8277488abc37\build2.exe
        
        "C:\Users\Admin\AppData\Local\6871a17d-6d8c-438b-9581-8277488abc37\build2.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious use of WriteProcessMemory
        
        PID:4496
      - C:\Users\Admin\AppData\Local\6871a17d-6d8c-438b-9581-8277488abc37\build2.exe
        
        "C:\Users\Admin\AppData\Local\6871a17d-6d8c-438b-9581-8277488abc37\build2.exe"
        6⤵
        Executes dropped EXE
        Loads dropped DLL
        Checks processor information in registry
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of WriteProcessMemory
        
        PID:2180
        
        C:\Windows\SysWOW64\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\6871a17d-6d8c-438b-9581-8277488abc37\build2.exe" & exit
        7⤵
        Suspicious use of WriteProcessMemory
        
        PID:4364
        
        C:\Windows\SysWOW64\timeout.exe
        
        timeout /t 6
        8⤵
        Delays execution with timeout.exe
        
        PID:4996
    - - C:\Users\Admin\AppData\Local\6871a17d-6d8c-438b-9581-8277488abc37\build3.exe
        
        "C:\Users\Admin\AppData\Local\6871a17d-6d8c-438b-9581-8277488abc37\build3.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of WriteProcessMemory
        
        PID:4708
      - 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:3924

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:5052
- 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:4948

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
ee7ad9d8f28e0558a94e667206e8a271

SHA1
b49a079526da92d55f2d1bc66659836c0f90a086

SHA256
9eeeef2cbd8192c6586ffa64114ad0c3e8e5ab3a73817e1044895517c6eba712

SHA512
0c1596e7b8e54e0cce8139a339c4c34f5f9391ce0b7051673abe7a43f174f292e0d3267b1ce1186247535941b416962b6fe63cb03855ddea254cf09fddad3223

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
27447370c7d7e8fd3a0237561f14fb35

SHA1
53af4194936d7ec174530c063c72c0f4a6dd2149

SHA256
7c563b4cf93ecb22566fb348d9653280cf95fb71975b3f877438cc5708d1fc0f

SHA512
21055506c9cb229b9aa70ccf31a5f272552c1929624f1b546382d7d552114f14ed86e9952126cae2bfb900ef9fc3409b2fc3ee394af4e44d090e97fa8b09c7df

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

Filesize
482B

MD5
5c944fa8189daeae18a13ffc3cadbccf

SHA1
60e9b120ab53320a786b14819f17bf991833065e

SHA256
b5ece18440e604aaab2b50e3292fc0174c4458e118d6726adac029b764895e01

SHA512
4818948619c1905de3e9a804a4a6ec193efa6dd10ca9c896a1aeac60f2deeca5d537d299541ea4541af8a90fb0d3d1bf6e0f786a398b38575e30531b0f12df67

Download Submit
C:\Users\Admin\AppData\Local\6871a17d-6d8c-438b-9581-8277488abc37\build2.exe

Filesize
416KB

MD5
aa18968e6cfbdc382ada6a3ed2852085

SHA1
4a41fa1a182916d5790aa2071106b3441d64468d

SHA256
c165c8db38ef8dd8c33d103b5ee78e9ddafd8081ff0c7c035fa5251f970e6cfb

SHA512
8ffdacca2b003438fd4874e7c88beedb6ad8cf9cd5b36fda5907751e06a85a829e7d9ce7335fb59590462f78054722bccba511b21db838368c661d993000a845

Download Submit
C:\Users\Admin\AppData\Local\6871a17d-6d8c-438b-9581-8277488abc37\build2.exe

Filesize
416KB

MD5
aa18968e6cfbdc382ada6a3ed2852085

SHA1
4a41fa1a182916d5790aa2071106b3441d64468d

SHA256
c165c8db38ef8dd8c33d103b5ee78e9ddafd8081ff0c7c035fa5251f970e6cfb

SHA512
8ffdacca2b003438fd4874e7c88beedb6ad8cf9cd5b36fda5907751e06a85a829e7d9ce7335fb59590462f78054722bccba511b21db838368c661d993000a845

Download Submit
C:\Users\Admin\AppData\Local\6871a17d-6d8c-438b-9581-8277488abc37\build2.exe

Filesize
416KB

MD5
aa18968e6cfbdc382ada6a3ed2852085

SHA1
4a41fa1a182916d5790aa2071106b3441d64468d

SHA256
c165c8db38ef8dd8c33d103b5ee78e9ddafd8081ff0c7c035fa5251f970e6cfb

SHA512
8ffdacca2b003438fd4874e7c88beedb6ad8cf9cd5b36fda5907751e06a85a829e7d9ce7335fb59590462f78054722bccba511b21db838368c661d993000a845

Download Submit
C:\Users\Admin\AppData\Local\6871a17d-6d8c-438b-9581-8277488abc37\build3.exe

Filesize
9KB

MD5
9ead10c08e72ae41921191f8db39bc16

SHA1
abe3bce01cd34afc88e2c838173f8c2bd0090ae1

SHA256
8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

SHA512
aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

Download Submit
C:\Users\Admin\AppData\Local\6871a17d-6d8c-438b-9581-8277488abc37\build3.exe

Filesize
9KB

MD5
9ead10c08e72ae41921191f8db39bc16

SHA1
abe3bce01cd34afc88e2c838173f8c2bd0090ae1

SHA256
8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

SHA512
aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

Download Submit
C:\Users\Admin\AppData\Local\9acad0a1-ad86-4dd8-a44a-50b5fd2cb405\56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538.exe

Filesize
741KB

MD5
c9f619481a1fbfce73b287b14d095995

SHA1
e6a2d5e24b879edf110b3d1d32b8b663e6316ace

SHA256
56a18f7dd37beef26c598cc1e0eeaa66cd973c3be9972f13cbff3b897a773538

SHA512
ad0c9c00f1d514b24bf0422e911f76676be8cff2717292c1488d759f2c0ebcaf4b006621af92626e7890605a3623c12e5905d9f66be734461903b5c7f0ac3fe5

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/2180-192-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/2180-176-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/2180-179-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/2180-247-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/2180-180-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/2180-178-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/2180-246-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/2180-245-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/3796-122-0x0000000004AD0000-0x0000000004BEB000-memory.dmp

Filesize
1.1MB

Download
memory/4120-124-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4120-125-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4120-126-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4120-123-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4120-137-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4496-175-0x00000000047A0000-0x00000000047F7000-memory.dmp

Filesize
348KB

Download
memory/4760-170-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4760-141-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4760-149-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4760-147-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4760-153-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4760-155-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4760-157-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4760-156-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4760-142-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download