djvu | 2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0

Analysis

max time kernel
144s
max time network
126s
platform
windows10-1703_x64
resource
win10-20230220-en
resource tags

arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
submitted
28-03-2023 09:20

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General

Target

2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe
Size

779KB
MD5

302881d82bb3498c3e2b44bd114d0cb7
SHA1

cd11c9169e31c6238202b3522f8aed58763ed5e2
SHA256

2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0
SHA512

5ac545eb53c8bdfec14168df5f080e2b7b3dddf71a8b3377d871f83e6cc3a609a4e617f552fa58add0f92ab0d4d12768d5a426b2913c9386bd923bfc9a43a9ab
SSDEEP

12288:vT2EHlSP3aYs8PFVN7pvCS2MIN1GkpUJmS1kPB+2OXE8cop2H4Vs8iTUayubohDg:S+QP3aYsUF7p52MIPGJJk5NwvutUa

Score

10^/10

djvu vidar 00d92484c9b27bc8482a2cc94cacc508 discovery persistence ransomware spyware stealer

Malware Config

Extracted

Family

djvu

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

Attributes

extension
.jyos
offline_id
MEMHlobHgXqvmTWaMsLcwGZhDOd00bblO1yevst1
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-fkW8qLaCVQ 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: 0677JOsie

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 15 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2500-122-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2500-123-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2484-124-0x00000000048C0000-0x00000000049DB000-memory.dmp	family_djvu
behavioral1/memory/2500-125-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2500-126-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2500-137-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3676-141-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3676-142-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3676-147-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3676-149-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3676-153-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3676-155-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3676-156-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3676-164-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3676-175-0x0000000000400000-0x0000000000537000-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.exebuild2.exebuild3.exemstsca.exe

pid process

1544 build2.exe
1072 build2.exe
5048 build3.exe
4420 mstsca.exe
Loads dropped DLL 2 IoCs

Processes:

build2.exe

pid process

1072 build2.exe
1072 build2.exe
Modifies file permissions 1 TTPs 1 IoCs
discovery

File and Directory Permissions Modification
T1222

Processes:

icacls.exe

pid process

3020 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
1544	build2.exe
1072	build2.exe
5048	build3.exe
4420	mstsca.exe

pid	process
1072	build2.exe
1072	build2.exe

pid	process
3020	icacls.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\f0c1d6af-8850-4ee6-85f3-762d49f4e8ec\\2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe\" --AutoStart"	2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.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:

2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exebuild2.exe

description	pid	process	target process
PID 2484 set thread context of 2500	2484	2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe	2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe
PID 2596 set thread context of 3676	2596	2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe	2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe
PID 1544 set thread context of 1072	1544	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

3724 schtasks.exe
1856 schtasks.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

4968 timeout.exe

pid	process
3724	schtasks.exe
1856	schtasks.exe

pid	process
4968	timeout.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exebuild2.exe

pid	process
2500	2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe
2500	2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe
3676	2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe
3676	2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe
1072	build2.exe
1072	build2.exe

Suspicious use of WriteProcessMemory 53 IoCs

Processes:

2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exebuild2.exebuild3.exemstsca.exebuild2.execmd.exe

description	pid	process	target process
PID 2484 wrote to memory of 2500	2484	2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe	2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe
PID 2484 wrote to memory of 2500	2484	2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe	2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe
PID 2484 wrote to memory of 2500	2484	2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe	2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe
PID 2484 wrote to memory of 2500	2484	2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe	2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe
PID 2484 wrote to memory of 2500	2484	2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe	2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe
PID 2484 wrote to memory of 2500	2484	2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe	2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe
PID 2484 wrote to memory of 2500	2484	2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe	2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe
PID 2484 wrote to memory of 2500	2484	2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe	2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe
PID 2484 wrote to memory of 2500	2484	2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe	2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe
PID 2484 wrote to memory of 2500	2484	2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe	2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe
PID 2500 wrote to memory of 3020	2500	2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe	icacls.exe
PID 2500 wrote to memory of 3020	2500	2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe	icacls.exe
PID 2500 wrote to memory of 3020	2500	2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe	icacls.exe
PID 2500 wrote to memory of 2596	2500	2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe	2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe
PID 2500 wrote to memory of 2596	2500	2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe	2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe
PID 2500 wrote to memory of 2596	2500	2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe	2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe
PID 2596 wrote to memory of 3676	2596	2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe	2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe
PID 2596 wrote to memory of 3676	2596	2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe	2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe
PID 2596 wrote to memory of 3676	2596	2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe	2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe
PID 2596 wrote to memory of 3676	2596	2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe	2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe
PID 2596 wrote to memory of 3676	2596	2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe	2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe
PID 2596 wrote to memory of 3676	2596	2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe	2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe
PID 2596 wrote to memory of 3676	2596	2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe	2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe
PID 2596 wrote to memory of 3676	2596	2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe	2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe
PID 2596 wrote to memory of 3676	2596	2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe	2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe
PID 2596 wrote to memory of 3676	2596	2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe	2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe
PID 3676 wrote to memory of 1544	3676	2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe	build2.exe
PID 3676 wrote to memory of 1544	3676	2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe	build2.exe
PID 3676 wrote to memory of 1544	3676	2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe	build2.exe
PID 1544 wrote to memory of 1072	1544	build2.exe	build2.exe
PID 1544 wrote to memory of 1072	1544	build2.exe	build2.exe
PID 1544 wrote to memory of 1072	1544	build2.exe	build2.exe
PID 1544 wrote to memory of 1072	1544	build2.exe	build2.exe
PID 1544 wrote to memory of 1072	1544	build2.exe	build2.exe
PID 1544 wrote to memory of 1072	1544	build2.exe	build2.exe
PID 1544 wrote to memory of 1072	1544	build2.exe	build2.exe
PID 1544 wrote to memory of 1072	1544	build2.exe	build2.exe
PID 1544 wrote to memory of 1072	1544	build2.exe	build2.exe
PID 3676 wrote to memory of 5048	3676	2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe	build3.exe
PID 3676 wrote to memory of 5048	3676	2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe	build3.exe
PID 3676 wrote to memory of 5048	3676	2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe	build3.exe
PID 5048 wrote to memory of 3724	5048	build3.exe	schtasks.exe
PID 5048 wrote to memory of 3724	5048	build3.exe	schtasks.exe
PID 5048 wrote to memory of 3724	5048	build3.exe	schtasks.exe
PID 4420 wrote to memory of 1856	4420	mstsca.exe	schtasks.exe
PID 4420 wrote to memory of 1856	4420	mstsca.exe	schtasks.exe
PID 4420 wrote to memory of 1856	4420	mstsca.exe	schtasks.exe
PID 1072 wrote to memory of 3996	1072	build2.exe	cmd.exe
PID 1072 wrote to memory of 3996	1072	build2.exe	cmd.exe
PID 1072 wrote to memory of 3996	1072	build2.exe	cmd.exe
PID 3996 wrote to memory of 4968	3996	cmd.exe	timeout.exe
PID 3996 wrote to memory of 4968	3996	cmd.exe	timeout.exe
PID 3996 wrote to memory of 4968	3996	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe
"C:\Users\Admin\AppData\Local\Temp\2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2484
- C:\Users\Admin\AppData\Local\Temp\2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe
  "C:\Users\Admin\AppData\Local\Temp\2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2500
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\f0c1d6af-8850-4ee6-85f3-762d49f4e8ec" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    PID:3020
- - C:\Users\Admin\AppData\Local\Temp\2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe
    "C:\Users\Admin\AppData\Local\Temp\2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:2596
  - - C:\Users\Admin\AppData\Local\Temp\2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe
      "C:\Users\Admin\AppData\Local\Temp\2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of WriteProcessMemory
      PID:3676
    - - C:\Users\Admin\AppData\Local\8cdbcf30-735e-47b3-8f7c-55c2add2a8b8\build2.exe
        
        "C:\Users\Admin\AppData\Local\8cdbcf30-735e-47b3-8f7c-55c2add2a8b8\build2.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious use of WriteProcessMemory
        
        PID:1544
      - C:\Users\Admin\AppData\Local\8cdbcf30-735e-47b3-8f7c-55c2add2a8b8\build2.exe
        
        "C:\Users\Admin\AppData\Local\8cdbcf30-735e-47b3-8f7c-55c2add2a8b8\build2.exe"
        6⤵
        Executes dropped EXE
        Loads dropped DLL
        Checks processor information in registry
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of WriteProcessMemory
        
        PID:1072
        
        C:\Windows\SysWOW64\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\8cdbcf30-735e-47b3-8f7c-55c2add2a8b8\build2.exe" & exit
        7⤵
        Suspicious use of WriteProcessMemory
        
        PID:3996
        
        C:\Windows\SysWOW64\timeout.exe
        
        timeout /t 6
        8⤵
        Delays execution with timeout.exe
        
        PID:4968
    - - C:\Users\Admin\AppData\Local\8cdbcf30-735e-47b3-8f7c-55c2add2a8b8\build3.exe
        
        "C:\Users\Admin\AppData\Local\8cdbcf30-735e-47b3-8f7c-55c2add2a8b8\build3.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of WriteProcessMemory
        
        PID:5048
      - 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:3724

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:4420
- 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:1856

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
e5b1cc0ae5af6a8277d75cff4af2c5e8

SHA1
4768fff3d4bbe02f89683b4a0e7b15b24b54eb9f

SHA256
d950c0d748aae641d71b11cd1c519b289917c23bee1a2b6bc5c496fd8e5d4655

SHA512
57a4737deeefac0124d73b52525993fecbbebd21a556ece87f8e79e845e07f037abb5e49f7458e8a010935c6691f18fbb913d77ecfb2ba902067788c483ec3d7

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

Filesize
1KB

MD5
3adac03b181d7980568dda0da0efc9de

SHA1
a283c4c9bd26a65b8240d21708e57f5946778341

SHA256
24c4973ced938b77d9670ac79eb76cd52411b17ab59ec78ba14c1b433f342933

SHA512
6fbd2a32fc18606628ea56311764cd879a1196405dddd4d269ad6163b2ffdcf916786f1c0328f27ec089be5cb9b4ecb3542363f4dfb3df1c1b91a0e038b67241

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

Filesize
488B

MD5
fdf704b55293daa8166abfcb743d9cee

SHA1
07bf5ad105425c8061bccda870ac6db2450031ed

SHA256
2bcd433a961e202d88e1f7b16b64bb102c8279f1f8556dad269fa7d04374154b

SHA512
b68368840598d7a14ec5b555c8aabab99e479c0d599638be2436aa3e7b49b77896f015d81119f03062a5b8bc70365feb06f4df6e56f72ed9872586fc9cd160a8

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

Filesize
482B

MD5
fec638c4ceaaa2a6ac64dd88f668c1cf

SHA1
457a66e74e360c6aaba46f62b726e1eff18d8e30

SHA256
eeeaa0dde9d05e56f312c1fab9f5e3fa821341dc84ae0bf63ecd0e2bc6880190

SHA512
1203ef97f16ee0a02cc82f29079d45dc5907035410ce4fc191b3dc7cf5bea8ffd34c63ff73d39d5fdf830430093324a329f8ae56f92d077fbcab6736b99bb4c2

Download Submit
C:\Users\Admin\AppData\Local\8cdbcf30-735e-47b3-8f7c-55c2add2a8b8\build2.exe

Filesize
299KB

MD5
6b343cd7dea3ae28d0819bc55a2f86fe

SHA1
cedd49849a5dd678d0a55da607e9b28a9680073c

SHA256
4240b655ed2af5ae8873b49e2e2d204383b2fd675c21f02527a9a4d9b719cd49

SHA512
7c28ba260fe53879b6e8f69d65c4263d454d75033889162d000c421695e634aeb13f4d4c2b999934f8eb2e58d62913764f1590689925e120600155d8390d0a48

Download Submit
C:\Users\Admin\AppData\Local\8cdbcf30-735e-47b3-8f7c-55c2add2a8b8\build2.exe

Filesize
299KB

MD5
6b343cd7dea3ae28d0819bc55a2f86fe

SHA1
cedd49849a5dd678d0a55da607e9b28a9680073c

SHA256
4240b655ed2af5ae8873b49e2e2d204383b2fd675c21f02527a9a4d9b719cd49

SHA512
7c28ba260fe53879b6e8f69d65c4263d454d75033889162d000c421695e634aeb13f4d4c2b999934f8eb2e58d62913764f1590689925e120600155d8390d0a48

Download Submit
C:\Users\Admin\AppData\Local\8cdbcf30-735e-47b3-8f7c-55c2add2a8b8\build2.exe

Filesize
299KB

MD5
6b343cd7dea3ae28d0819bc55a2f86fe

SHA1
cedd49849a5dd678d0a55da607e9b28a9680073c

SHA256
4240b655ed2af5ae8873b49e2e2d204383b2fd675c21f02527a9a4d9b719cd49

SHA512
7c28ba260fe53879b6e8f69d65c4263d454d75033889162d000c421695e634aeb13f4d4c2b999934f8eb2e58d62913764f1590689925e120600155d8390d0a48

Download Submit
C:\Users\Admin\AppData\Local\8cdbcf30-735e-47b3-8f7c-55c2add2a8b8\build3.exe

Filesize
9KB

MD5
9ead10c08e72ae41921191f8db39bc16

SHA1
abe3bce01cd34afc88e2c838173f8c2bd0090ae1

SHA256
8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

SHA512
aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

Download Submit
C:\Users\Admin\AppData\Local\8cdbcf30-735e-47b3-8f7c-55c2add2a8b8\build3.exe

Filesize
9KB

MD5
9ead10c08e72ae41921191f8db39bc16

SHA1
abe3bce01cd34afc88e2c838173f8c2bd0090ae1

SHA256
8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

SHA512
aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

Download Submit
C:\Users\Admin\AppData\Local\f0c1d6af-8850-4ee6-85f3-762d49f4e8ec\2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0.exe

Filesize
779KB

MD5
302881d82bb3498c3e2b44bd114d0cb7

SHA1
cd11c9169e31c6238202b3522f8aed58763ed5e2

SHA256
2570fdc31609f3433d73f79c5c264572df62f4433362cf6c96b8f0e01e3171b0

SHA512
5ac545eb53c8bdfec14168df5f080e2b7b3dddf71a8b3377d871f83e6cc3a609a4e617f552fa58add0f92ab0d4d12768d5a426b2913c9386bd923bfc9a43a9ab

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/1072-180-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/1072-233-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/1072-252-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/1072-251-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/1072-250-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/1072-249-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/1072-166-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/1072-191-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/1072-168-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/1072-179-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/1544-169-0x0000000000600000-0x0000000000657000-memory.dmp

Filesize
348KB

Download
memory/2484-124-0x00000000048C0000-0x00000000049DB000-memory.dmp

Filesize
1.1MB

Download
memory/2500-137-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2500-125-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2500-126-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2500-122-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2500-123-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3676-147-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3676-175-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3676-141-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3676-142-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3676-155-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3676-164-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3676-149-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3676-153-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3676-156-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download