djvu | f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364

Analysis

max time kernel
150s
max time network
133s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
31-03-2023 12:24

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General

Target

f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe
Size

749KB
MD5

39858e79e28d3bfe691b91070339481d
SHA1

8c485ba1a6ebb6ba23aa11a96dd65f5565a6a522
SHA256

f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364
SHA512

2afcf47e0a607ad8ebfc05bd2149e04eb2757a468bc2cde086ab463420c25ce0d1b096eed403fb149caf97e6331d8a683bbc1f1478bcef88281f5b884bdd4a37
SSDEEP

12288:vJ9HFgxeWBfnAw3QeFrqYHcgLrldspmx5ZDjOt06sN0JZlu1wNlb+Kr:vjFgxeafnAJEHcUqM1s06sWjGQE

Score

10^/10

djvu vidar 5df88deb5dde677ba658b77ad5f60248 discovery persistence ransomware spyware stealer

Malware Config

Extracted

Family

djvu

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

Attributes

extension
.jycx
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: support@freshmail.top Reserve e-mail address to contact us: datarestorehelp@airmail.cc Your personal ID: 0674JOsie

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 16 IoCs

Processes:

resource	yara_rule
behavioral1/memory/644-134-0x0000000002400000-0x000000000251B000-memory.dmp	family_djvu
behavioral1/memory/2092-135-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2092-136-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2092-137-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2092-138-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2092-147-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/648-151-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/648-152-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/648-153-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/648-158-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/648-159-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/648-163-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/648-165-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/648-166-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/648-192-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/648-276-0x0000000000400000-0x0000000000537000-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:

f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exef926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Control Panel\International\Geo\Nation	f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Control Panel\International\Geo\Nation	f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe

Executes dropped EXE 4 IoCs

Processes:

build2.exebuild2.exebuild3.exemstsca.exe

pid process

1952 build2.exe
4904 build2.exe
1748 build3.exe
2272 mstsca.exe
Loads dropped DLL 2 IoCs

Processes:

build2.exe

pid process

4904 build2.exe
4904 build2.exe
Modifies file permissions 1 TTPs 1 IoCs
discovery

File Permissions Modification
T1222

Processes:

icacls.exe

pid process

4792 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
1952	build2.exe
4904	build2.exe
1748	build3.exe
2272	mstsca.exe

pid	process
4904	build2.exe
4904	build2.exe

pid	process
4792	icacls.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\745c79fa-bb5c-4575-b107-24681f97a42f\\f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe\" --AutoStart"	f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.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

7 api.2ip.ua
8 api.2ip.ua
23 api.2ip.ua

flow	ioc
7	api.2ip.ua
8	api.2ip.ua
23	api.2ip.ua

Suspicious use of SetThreadContext 3 IoCs

Processes:

f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exef926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exebuild2.exe

description	pid	process	target process
PID 644 set thread context of 2092	644	f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe	f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe
PID 3808 set thread context of 648	3808	f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe	f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe
PID 1952 set thread context of 4904	1952	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

4620 4904 WerFault.exe build2.exe

pid	pid_target	process	target process
4620	4904	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 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

492 schtasks.exe
2156 schtasks.exe

pid	process
492	schtasks.exe
2156	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exef926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exebuild2.exe

pid	process
2092	f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe
2092	f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe
648	f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe
648	f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe
4904	build2.exe
4904	build2.exe

Suspicious use of WriteProcessMemory 47 IoCs

Processes:

f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exef926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exef926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exef926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exebuild2.exebuild3.exemstsca.exe

description	pid	process	target process
PID 644 wrote to memory of 2092	644	f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe	f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe
PID 644 wrote to memory of 2092	644	f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe	f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe
PID 644 wrote to memory of 2092	644	f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe	f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe
PID 644 wrote to memory of 2092	644	f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe	f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe
PID 644 wrote to memory of 2092	644	f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe	f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe
PID 644 wrote to memory of 2092	644	f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe	f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe
PID 644 wrote to memory of 2092	644	f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe	f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe
PID 644 wrote to memory of 2092	644	f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe	f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe
PID 644 wrote to memory of 2092	644	f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe	f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe
PID 644 wrote to memory of 2092	644	f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe	f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe
PID 2092 wrote to memory of 4792	2092	f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe	icacls.exe
PID 2092 wrote to memory of 4792	2092	f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe	icacls.exe
PID 2092 wrote to memory of 4792	2092	f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe	icacls.exe
PID 2092 wrote to memory of 3808	2092	f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe	f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe
PID 2092 wrote to memory of 3808	2092	f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe	f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe
PID 2092 wrote to memory of 3808	2092	f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe	f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe
PID 3808 wrote to memory of 648	3808	f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe	f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe
PID 3808 wrote to memory of 648	3808	f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe	f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe
PID 3808 wrote to memory of 648	3808	f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe	f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe
PID 3808 wrote to memory of 648	3808	f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe	f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe
PID 3808 wrote to memory of 648	3808	f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe	f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe
PID 3808 wrote to memory of 648	3808	f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe	f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe
PID 3808 wrote to memory of 648	3808	f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe	f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe
PID 3808 wrote to memory of 648	3808	f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe	f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe
PID 3808 wrote to memory of 648	3808	f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe	f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe
PID 3808 wrote to memory of 648	3808	f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe	f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe
PID 648 wrote to memory of 1952	648	f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe	build2.exe
PID 648 wrote to memory of 1952	648	f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe	build2.exe
PID 648 wrote to memory of 1952	648	f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe	build2.exe
PID 1952 wrote to memory of 4904	1952	build2.exe	build2.exe
PID 1952 wrote to memory of 4904	1952	build2.exe	build2.exe
PID 1952 wrote to memory of 4904	1952	build2.exe	build2.exe
PID 1952 wrote to memory of 4904	1952	build2.exe	build2.exe
PID 1952 wrote to memory of 4904	1952	build2.exe	build2.exe
PID 1952 wrote to memory of 4904	1952	build2.exe	build2.exe
PID 1952 wrote to memory of 4904	1952	build2.exe	build2.exe
PID 1952 wrote to memory of 4904	1952	build2.exe	build2.exe
PID 1952 wrote to memory of 4904	1952	build2.exe	build2.exe
PID 648 wrote to memory of 1748	648	f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe	build3.exe
PID 648 wrote to memory of 1748	648	f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe	build3.exe
PID 648 wrote to memory of 1748	648	f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe	build3.exe
PID 1748 wrote to memory of 492	1748	build3.exe	schtasks.exe
PID 1748 wrote to memory of 492	1748	build3.exe	schtasks.exe
PID 1748 wrote to memory of 492	1748	build3.exe	schtasks.exe
PID 2272 wrote to memory of 2156	2272	mstsca.exe	schtasks.exe
PID 2272 wrote to memory of 2156	2272	mstsca.exe	schtasks.exe
PID 2272 wrote to memory of 2156	2272	mstsca.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe
"C:\Users\Admin\AppData\Local\Temp\f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:644

C:\Users\Admin\AppData\Local\Temp\f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe
"C:\Users\Admin\AppData\Local\Temp\f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe"
2⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2092

C:\Windows\SysWOW64\icacls.exe
icacls "C:\Users\Admin\AppData\Local\745c79fa-bb5c-4575-b107-24681f97a42f" /deny *S-1-1-0:(OI)(CI)(DE,DC)
3⤵
- Modifies file permissions
PID:4792

C:\Users\Admin\AppData\Local\Temp\f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe
"C:\Users\Admin\AppData\Local\Temp\f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe" --Admin IsNotAutoStart IsNotTask
3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3808

C:\Users\Admin\AppData\Local\Temp\f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe
"C:\Users\Admin\AppData\Local\Temp\f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe" --Admin IsNotAutoStart IsNotTask
4⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:648

C:\Users\Admin\AppData\Local\c1cc4fa8-3d5c-443e-bd4b-1b2c5335bb98\build2.exe
"C:\Users\Admin\AppData\Local\c1cc4fa8-3d5c-443e-bd4b-1b2c5335bb98\build2.exe"
5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1952

C:\Users\Admin\AppData\Local\c1cc4fa8-3d5c-443e-bd4b-1b2c5335bb98\build2.exe
"C:\Users\Admin\AppData\Local\c1cc4fa8-3d5c-443e-bd4b-1b2c5335bb98\build2.exe"
6⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4904

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4904 -s 1476
7⤵
- Program crash
PID:4620

C:\Users\Admin\AppData\Local\c1cc4fa8-3d5c-443e-bd4b-1b2c5335bb98\build3.exe
"C:\Users\Admin\AppData\Local\c1cc4fa8-3d5c-443e-bd4b-1b2c5335bb98\build3.exe"
5⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1748

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:492

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4904 -ip 4904
1⤵
PID:2108

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:2272

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:2156

Network

MITRE ATT&CK Matrix ATT&CK 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 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

Exfiltration

Command and Control

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
2041eb522b88e84bbd777dc93984b09e

SHA1
96a0f3732664d2105e3f22332d236193e7dc9430

SHA256
e0cd14695f3857b82da39a7d633ad2aa5be09edd5f481dee493bdc35bfc85586

SHA512
3e23bda889a38e86cc7e019e3e93b9c4727340d4054041976edb47a1b2a2c854b2a02718eb34d5c52ca737b9feec0c979bcdb2907bbae284fa827f34c4467a43

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
Filesize
482B

MD5
7e4a6030fc5808bc4108f338e571cea1

SHA1
d7ad1ec4fcdf581fc332b4f9665271abf64d430c

SHA256
585606fc075cf6b98cd2f69232ce1a1a425cfde2c91df9ccf66f9a09449641a7

SHA512
cf2eba894b3aa8876f2d3c4e907c29b6571335f27c54175e8f52d4e3f0d8ad4c41f0d4d24b21820cfdc20f23263bb43e88e6efe3d8b2f8b765d48d881ce8e97c

Download Submit
C:\Users\Admin\AppData\Local\745c79fa-bb5c-4575-b107-24681f97a42f\f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364.exe
Filesize
749KB

MD5
39858e79e28d3bfe691b91070339481d

SHA1
8c485ba1a6ebb6ba23aa11a96dd65f5565a6a522

SHA256
f926b2cff9071165553d42b22ca2ab5c4a87c5017c52b4d3d2901a7d3cd81364

SHA512
2afcf47e0a607ad8ebfc05bd2149e04eb2757a468bc2cde086ab463420c25ce0d1b096eed403fb149caf97e6331d8a683bbc1f1478bcef88281f5b884bdd4a37

Download Submit
C:\Users\Admin\AppData\Local\c1cc4fa8-3d5c-443e-bd4b-1b2c5335bb98\build2.exe
Filesize
416KB

MD5
aa18968e6cfbdc382ada6a3ed2852085

SHA1
4a41fa1a182916d5790aa2071106b3441d64468d

SHA256
c165c8db38ef8dd8c33d103b5ee78e9ddafd8081ff0c7c035fa5251f970e6cfb

SHA512
8ffdacca2b003438fd4874e7c88beedb6ad8cf9cd5b36fda5907751e06a85a829e7d9ce7335fb59590462f78054722bccba511b21db838368c661d993000a845

Download Submit
C:\Users\Admin\AppData\Local\c1cc4fa8-3d5c-443e-bd4b-1b2c5335bb98\build2.exe
Filesize
416KB

MD5
aa18968e6cfbdc382ada6a3ed2852085

SHA1
4a41fa1a182916d5790aa2071106b3441d64468d

SHA256
c165c8db38ef8dd8c33d103b5ee78e9ddafd8081ff0c7c035fa5251f970e6cfb

SHA512
8ffdacca2b003438fd4874e7c88beedb6ad8cf9cd5b36fda5907751e06a85a829e7d9ce7335fb59590462f78054722bccba511b21db838368c661d993000a845

Download Submit
C:\Users\Admin\AppData\Local\c1cc4fa8-3d5c-443e-bd4b-1b2c5335bb98\build2.exe
Filesize
416KB

MD5
aa18968e6cfbdc382ada6a3ed2852085

SHA1
4a41fa1a182916d5790aa2071106b3441d64468d

SHA256
c165c8db38ef8dd8c33d103b5ee78e9ddafd8081ff0c7c035fa5251f970e6cfb

SHA512
8ffdacca2b003438fd4874e7c88beedb6ad8cf9cd5b36fda5907751e06a85a829e7d9ce7335fb59590462f78054722bccba511b21db838368c661d993000a845

Download Submit
C:\Users\Admin\AppData\Local\c1cc4fa8-3d5c-443e-bd4b-1b2c5335bb98\build2.exe
Filesize
416KB

MD5
aa18968e6cfbdc382ada6a3ed2852085

SHA1
4a41fa1a182916d5790aa2071106b3441d64468d

SHA256
c165c8db38ef8dd8c33d103b5ee78e9ddafd8081ff0c7c035fa5251f970e6cfb

SHA512
8ffdacca2b003438fd4874e7c88beedb6ad8cf9cd5b36fda5907751e06a85a829e7d9ce7335fb59590462f78054722bccba511b21db838368c661d993000a845

Download Submit
C:\Users\Admin\AppData\Local\c1cc4fa8-3d5c-443e-bd4b-1b2c5335bb98\build3.exe
Filesize
9KB

MD5
9ead10c08e72ae41921191f8db39bc16

SHA1
abe3bce01cd34afc88e2c838173f8c2bd0090ae1

SHA256
8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

SHA512
aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

Download Submit
C:\Users\Admin\AppData\Local\c1cc4fa8-3d5c-443e-bd4b-1b2c5335bb98\build3.exe
Filesize
9KB

MD5
9ead10c08e72ae41921191f8db39bc16

SHA1
abe3bce01cd34afc88e2c838173f8c2bd0090ae1

SHA256
8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

SHA512
aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

Download Submit
C:\Users\Admin\AppData\Local\c1cc4fa8-3d5c-443e-bd4b-1b2c5335bb98\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/644-134-0x0000000002400000-0x000000000251B000-memory.dmp

Filesize
1.1MB

Download
memory/648-158-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/648-166-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/648-276-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/648-165-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/648-159-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/648-153-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/648-163-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/648-151-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/648-152-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/648-192-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1952-181-0x0000000004720000-0x0000000004777000-memory.dmp

Filesize
348KB

Download
memory/2092-136-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2092-135-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2092-137-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2092-138-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2092-147-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4904-183-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/4904-182-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/4904-180-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/4904-205-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/4904-178-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/4904-274-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/4904-275-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/4904-277-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download