djvu | ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536

Analysis

max time kernel
145s
max time network
130s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
02-04-2023 07:10

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General

Target

ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe
Size

752KB
MD5

22b562737d9d8323d00342abac9f43cb
SHA1

6fee156c92a26cc8bb59fd891de798dcc44c6b0d
SHA256

ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536
SHA512

2edc4777f9c14b7684cad1bdc2c7aaaafbb662fb7685e793dc9c656778d82d60390ba75e14b6d1da76df74979554e626d66a378e20911161f7a79d26566b52f5
SSDEEP

12288:NxivM2ORGSMOiB198xiQ/8IgcLj++Aa0Jo4fuIwLpZGRzL0U5IoLb9n9:N92OJWj988jfcLj1L0+4fuIwFQVb79

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/532-134-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/532-135-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1304-136-0x0000000002720000-0x000000000283B000-memory.dmp	family_djvu
behavioral1/memory/532-137-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/532-144-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/532-147-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/232-151-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/232-152-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/232-157-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/232-159-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/232-163-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/232-165-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/232-166-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/232-192-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/232-276-0x0000000000400000-0x0000000000537000-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

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exeac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Control Panel\International\Geo\Nation	ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Control Panel\International\Geo\Nation	ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe

Executes dropped EXE 4 IoCs

Processes:

build2.exebuild2.exebuild3.exemstsca.exe

pid process

1308 build2.exe
4260 build2.exe
3724 build3.exe
2540 mstsca.exe
Loads dropped DLL 2 IoCs

Processes:

build2.exe

pid process

4260 build2.exe
4260 build2.exe
Modifies file permissions 1 TTPs 1 IoCs
discovery

File and Directory Permissions Modification
T1222

Processes:

icacls.exe

pid process

2128 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
1308	build2.exe
4260	build2.exe
3724	build3.exe
2540	mstsca.exe

pid	process
4260	build2.exe
4260	build2.exe

pid	process
2128	icacls.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\08613b96-ecaf-4b31-aca1-94c14ad9875c\\ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe\" --AutoStart"	ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.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

10 api.2ip.ua
11 api.2ip.ua
27 api.2ip.ua

flow	ioc
10	api.2ip.ua
11	api.2ip.ua
27	api.2ip.ua

Suspicious use of SetThreadContext 3 IoCs

Processes:

ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exeac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exebuild2.exe

description	pid	process	target process
PID 1304 set thread context of 532	1304	ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe	ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe
PID 4528 set thread context of 232	4528	ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe	ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe
PID 1308 set thread context of 4260	1308	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
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3276 4260 WerFault.exe build2.exe

pid	pid_target	process	target process
3276	4260	WerFault.exe	build2.exe

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	build2.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	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

5092 schtasks.exe
5044 schtasks.exe

pid	process
5092	schtasks.exe
5044	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exeac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exebuild2.exe

pid	process
532	ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe
532	ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe
232	ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe
232	ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe
4260	build2.exe
4260	build2.exe

Suspicious use of WriteProcessMemory 47 IoCs

Processes:

ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exeac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exeac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exeac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exebuild2.exebuild3.exemstsca.exe

description	pid	process	target process
PID 1304 wrote to memory of 532	1304	ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe	ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe
PID 1304 wrote to memory of 532	1304	ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe	ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe
PID 1304 wrote to memory of 532	1304	ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe	ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe
PID 1304 wrote to memory of 532	1304	ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe	ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe
PID 1304 wrote to memory of 532	1304	ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe	ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe
PID 1304 wrote to memory of 532	1304	ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe	ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe
PID 1304 wrote to memory of 532	1304	ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe	ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe
PID 1304 wrote to memory of 532	1304	ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe	ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe
PID 1304 wrote to memory of 532	1304	ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe	ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe
PID 1304 wrote to memory of 532	1304	ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe	ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe
PID 532 wrote to memory of 2128	532	ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe	icacls.exe
PID 532 wrote to memory of 2128	532	ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe	icacls.exe
PID 532 wrote to memory of 2128	532	ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe	icacls.exe
PID 532 wrote to memory of 4528	532	ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe	ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe
PID 532 wrote to memory of 4528	532	ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe	ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe
PID 532 wrote to memory of 4528	532	ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe	ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe
PID 4528 wrote to memory of 232	4528	ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe	ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe
PID 4528 wrote to memory of 232	4528	ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe	ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe
PID 4528 wrote to memory of 232	4528	ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe	ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe
PID 4528 wrote to memory of 232	4528	ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe	ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe
PID 4528 wrote to memory of 232	4528	ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe	ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe
PID 4528 wrote to memory of 232	4528	ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe	ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe
PID 4528 wrote to memory of 232	4528	ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe	ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe
PID 4528 wrote to memory of 232	4528	ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe	ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe
PID 4528 wrote to memory of 232	4528	ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe	ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe
PID 4528 wrote to memory of 232	4528	ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe	ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe
PID 232 wrote to memory of 1308	232	ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe	build2.exe
PID 232 wrote to memory of 1308	232	ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe	build2.exe
PID 232 wrote to memory of 1308	232	ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe	build2.exe
PID 1308 wrote to memory of 4260	1308	build2.exe	build2.exe
PID 1308 wrote to memory of 4260	1308	build2.exe	build2.exe
PID 1308 wrote to memory of 4260	1308	build2.exe	build2.exe
PID 1308 wrote to memory of 4260	1308	build2.exe	build2.exe
PID 1308 wrote to memory of 4260	1308	build2.exe	build2.exe
PID 1308 wrote to memory of 4260	1308	build2.exe	build2.exe
PID 1308 wrote to memory of 4260	1308	build2.exe	build2.exe
PID 1308 wrote to memory of 4260	1308	build2.exe	build2.exe
PID 1308 wrote to memory of 4260	1308	build2.exe	build2.exe
PID 232 wrote to memory of 3724	232	ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe	build3.exe
PID 232 wrote to memory of 3724	232	ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe	build3.exe
PID 232 wrote to memory of 3724	232	ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe	build3.exe
PID 3724 wrote to memory of 5092	3724	build3.exe	schtasks.exe
PID 3724 wrote to memory of 5092	3724	build3.exe	schtasks.exe
PID 3724 wrote to memory of 5092	3724	build3.exe	schtasks.exe
PID 2540 wrote to memory of 5044	2540	mstsca.exe	schtasks.exe
PID 2540 wrote to memory of 5044	2540	mstsca.exe	schtasks.exe
PID 2540 wrote to memory of 5044	2540	mstsca.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe
"C:\Users\Admin\AppData\Local\Temp\ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1304
- C:\Users\Admin\AppData\Local\Temp\ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe
  "C:\Users\Admin\AppData\Local\Temp\ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe"
  2⤵
  - Checks computer location settings
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:532
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\08613b96-ecaf-4b31-aca1-94c14ad9875c" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    PID:2128
- - C:\Users\Admin\AppData\Local\Temp\ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe
    "C:\Users\Admin\AppData\Local\Temp\ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:4528
  - - C:\Users\Admin\AppData\Local\Temp\ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe
      "C:\Users\Admin\AppData\Local\Temp\ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      Checks computer location settings
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of WriteProcessMemory
      PID:232
    - - C:\Users\Admin\AppData\Local\a9a80471-d77c-4100-b9ba-2632ec7033d4\build2.exe
        
        "C:\Users\Admin\AppData\Local\a9a80471-d77c-4100-b9ba-2632ec7033d4\build2.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious use of WriteProcessMemory
        
        PID:1308
      - C:\Users\Admin\AppData\Local\a9a80471-d77c-4100-b9ba-2632ec7033d4\build2.exe
        
        "C:\Users\Admin\AppData\Local\a9a80471-d77c-4100-b9ba-2632ec7033d4\build2.exe"
        6⤵
        Executes dropped EXE
        Loads dropped DLL
        Checks processor information in registry
        Suspicious behavior: EnumeratesProcesses
        
        PID:4260
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4260 -s 1864
        7⤵
        Program crash
        
        PID:3276
    - - C:\Users\Admin\AppData\Local\a9a80471-d77c-4100-b9ba-2632ec7033d4\build3.exe
        
        "C:\Users\Admin\AppData\Local\a9a80471-d77c-4100-b9ba-2632ec7033d4\build3.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of WriteProcessMemory
        
        PID:3724
      - 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:5092

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 4260 -ip 4260
1⤵
PID:3312

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:2540
- C:\Windows\SysWOW64\schtasks.exe
  /C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe"
  2⤵
  - Creates scheduled task(s)
  PID:5044

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

File and Directory Permissions Modification

T1222

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\mozglue.dll

Filesize
593KB

MD5
c8fd9be83bc728cc04beffafc2907fe9

SHA1
95ab9f701e0024cedfbd312bcfe4e726744c4f2e

SHA256
ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

SHA512
fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

Download Submit
C:\ProgramData\nss3.dll

Filesize
2.0MB

MD5
1cc453cdf74f31e4d913ff9c10acdde2

SHA1
6e85eae544d6e965f15fa5c39700fa7202f3aafe

SHA256
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

SHA512
dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

Download Submit
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
3e7b56bbde583b719c2f8e95c46fed96

SHA1
f5701c4810893ad6ff6b37abeb65b3b53d20f1fa

SHA256
0155890785c9ec2c3e471e663bc25e9a369f39c7da6870b8b55408d6122273e9

SHA512
9482335513f23f2626629f3db0d9bea4babd717f90ed59dac6b52908b0175557319c6b8deb76b581ff64eb72652fc8ebb6d1604bb427e78829cd3f552878d8e0

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

Filesize
482B

MD5
91eb73f8b976731ee01e6d44b4958153

SHA1
436d820c2e82e50a8387a2c78b9a7a3b2684fdad

SHA256
5274d443bac10fd2667bb2c7ae9628e5ccf94e9e87ee7671788cd159e8f6c595

SHA512
8279707d318092a331ee30b63ab773be5dff6e16547b4de4dcba708bf1ca5d879a81bf2577913ecf000b7fa3fd03ac16e4388ee457f1457c2688803c042aaa02

Download Submit
C:\Users\Admin\AppData\Local\08613b96-ecaf-4b31-aca1-94c14ad9875c\ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536.exe

Filesize
752KB

MD5
22b562737d9d8323d00342abac9f43cb

SHA1
6fee156c92a26cc8bb59fd891de798dcc44c6b0d

SHA256
ac8b3c76d4c7245363a2009084ede3980afe4b47aefb5697df7f60c4088b8536

SHA512
2edc4777f9c14b7684cad1bdc2c7aaaafbb662fb7685e793dc9c656778d82d60390ba75e14b6d1da76df74979554e626d66a378e20911161f7a79d26566b52f5

Download Submit
C:\Users\Admin\AppData\Local\a9a80471-d77c-4100-b9ba-2632ec7033d4\build2.exe

Filesize
416KB

MD5
aa18968e6cfbdc382ada6a3ed2852085

SHA1
4a41fa1a182916d5790aa2071106b3441d64468d

SHA256
c165c8db38ef8dd8c33d103b5ee78e9ddafd8081ff0c7c035fa5251f970e6cfb

SHA512
8ffdacca2b003438fd4874e7c88beedb6ad8cf9cd5b36fda5907751e06a85a829e7d9ce7335fb59590462f78054722bccba511b21db838368c661d993000a845

Download Submit
C:\Users\Admin\AppData\Local\a9a80471-d77c-4100-b9ba-2632ec7033d4\build2.exe

Filesize
416KB

MD5
aa18968e6cfbdc382ada6a3ed2852085

SHA1
4a41fa1a182916d5790aa2071106b3441d64468d

SHA256
c165c8db38ef8dd8c33d103b5ee78e9ddafd8081ff0c7c035fa5251f970e6cfb

SHA512
8ffdacca2b003438fd4874e7c88beedb6ad8cf9cd5b36fda5907751e06a85a829e7d9ce7335fb59590462f78054722bccba511b21db838368c661d993000a845

Download Submit
C:\Users\Admin\AppData\Local\a9a80471-d77c-4100-b9ba-2632ec7033d4\build2.exe

Filesize
416KB

MD5
aa18968e6cfbdc382ada6a3ed2852085

SHA1
4a41fa1a182916d5790aa2071106b3441d64468d

SHA256
c165c8db38ef8dd8c33d103b5ee78e9ddafd8081ff0c7c035fa5251f970e6cfb

SHA512
8ffdacca2b003438fd4874e7c88beedb6ad8cf9cd5b36fda5907751e06a85a829e7d9ce7335fb59590462f78054722bccba511b21db838368c661d993000a845

Download Submit
C:\Users\Admin\AppData\Local\a9a80471-d77c-4100-b9ba-2632ec7033d4\build2.exe

Filesize
416KB

MD5
aa18968e6cfbdc382ada6a3ed2852085

SHA1
4a41fa1a182916d5790aa2071106b3441d64468d

SHA256
c165c8db38ef8dd8c33d103b5ee78e9ddafd8081ff0c7c035fa5251f970e6cfb

SHA512
8ffdacca2b003438fd4874e7c88beedb6ad8cf9cd5b36fda5907751e06a85a829e7d9ce7335fb59590462f78054722bccba511b21db838368c661d993000a845

Download Submit
C:\Users\Admin\AppData\Local\a9a80471-d77c-4100-b9ba-2632ec7033d4\build3.exe

Filesize
9KB

MD5
9ead10c08e72ae41921191f8db39bc16

SHA1
abe3bce01cd34afc88e2c838173f8c2bd0090ae1

SHA256
8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

SHA512
aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

Download Submit
C:\Users\Admin\AppData\Local\a9a80471-d77c-4100-b9ba-2632ec7033d4\build3.exe

Filesize
9KB

MD5
9ead10c08e72ae41921191f8db39bc16

SHA1
abe3bce01cd34afc88e2c838173f8c2bd0090ae1

SHA256
8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

SHA512
aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

Download Submit
C:\Users\Admin\AppData\Local\a9a80471-d77c-4100-b9ba-2632ec7033d4\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
memory/232-163-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/232-159-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/232-151-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/232-192-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/232-166-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/232-165-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/232-157-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/232-276-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/232-152-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/532-134-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/532-137-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/532-147-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/532-144-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/532-135-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1304-136-0x0000000002720000-0x000000000283B000-memory.dmp

Filesize
1.1MB

Download
memory/1308-180-0x00000000047F0000-0x0000000004847000-memory.dmp

Filesize
348KB

Download
memory/4260-182-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/4260-205-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/4260-274-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/4260-275-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/4260-183-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/4260-277-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/4260-181-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/4260-178-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download