djvu | f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0

Analysis

max time kernel
146s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
03-04-2023 01:34

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General

Target

f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe
Size

751KB
MD5

c12bbe09df9d728c8bd4a1c8a535a600
SHA1

2547b9bc243bbf489892569ffdccc0560280efe3
SHA256

f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0
SHA512

3a0d8356df1be07305acb8d533c8fe4809e807d0de64ff6dba58cc03ee1e2ab810654d7e04cc9a9f42830eac620db76b547e7bbb0f72b091a61cafa6affaca19
SSDEEP

12288:Hvw8TMI97F/2nappA/r0+babygoGRkY5n2OT/As2jI0XqrdUeGt:VTMI9h/rppAD0AgTx5n2OTfu6rKeGt

Score

10^/10

djvu vidar 5df88deb5dde677ba658b77ad5f60248 discovery persistence ransomware spyware stealer

Malware Config

Extracted

Family

djvu

http://zexeq.com/test2/get.php

Attributes

extension
.nifr
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: 0679SUjhw

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/3468-134-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3468-135-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3688-136-0x0000000002840000-0x000000000295B000-memory.dmp	family_djvu
behavioral1/memory/3468-137-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3468-138-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3468-147-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4384-151-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4384-152-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4384-155-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4384-158-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4384-159-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4384-163-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4384-166-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4384-165-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4384-192-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4384-278-0x0000000000400000-0x0000000000537000-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:

f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exef4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Control Panel\International\Geo\Nation	f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Control Panel\International\Geo\Nation	f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe

Executes dropped EXE 4 IoCs

Processes:

build2.exebuild2.exebuild3.exemstsca.exe

pid process

4904 build2.exe
840 build2.exe
1496 build3.exe
5108 mstsca.exe
Loads dropped DLL 2 IoCs

Processes:

build2.exe

pid process

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

File and Directory Permissions Modification
T1222

Processes:

icacls.exe

pid process

3660 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
4904	build2.exe
840	build2.exe
1496	build3.exe
5108	mstsca.exe

pid	process
840	build2.exe
840	build2.exe

pid	process
3660	icacls.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\2b587e7e-23dd-44db-9961-2dfc71fe9025\\f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe\" --AutoStart"	f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.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

9 api.2ip.ua
12 api.2ip.ua
22 api.2ip.ua

flow	ioc
9	api.2ip.ua
12	api.2ip.ua
22	api.2ip.ua

Suspicious use of SetThreadContext 3 IoCs

Processes:

f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exef4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exebuild2.exe

description	pid	process	target process
PID 3688 set thread context of 3468	3688	f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe	f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe
PID 3668 set thread context of 4384	3668	f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe	f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe
PID 4904 set thread context of 840	4904	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

2664 840 WerFault.exe build2.exe

pid	pid_target	process	target process
2664	840	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

3876 schtasks.exe
1540 schtasks.exe

pid	process
3876	schtasks.exe
1540	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exef4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exebuild2.exe

pid	process
3468	f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe
3468	f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe
4384	f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe
4384	f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe
840	build2.exe
840	build2.exe

Suspicious use of WriteProcessMemory 47 IoCs

Processes:

f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exef4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exef4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exef4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exebuild2.exebuild3.exemstsca.exe

description	pid	process	target process
PID 3688 wrote to memory of 3468	3688	f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe	f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe
PID 3688 wrote to memory of 3468	3688	f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe	f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe
PID 3688 wrote to memory of 3468	3688	f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe	f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe
PID 3688 wrote to memory of 3468	3688	f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe	f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe
PID 3688 wrote to memory of 3468	3688	f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe	f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe
PID 3688 wrote to memory of 3468	3688	f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe	f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe
PID 3688 wrote to memory of 3468	3688	f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe	f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe
PID 3688 wrote to memory of 3468	3688	f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe	f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe
PID 3688 wrote to memory of 3468	3688	f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe	f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe
PID 3688 wrote to memory of 3468	3688	f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe	f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe
PID 3468 wrote to memory of 3660	3468	f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe	icacls.exe
PID 3468 wrote to memory of 3660	3468	f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe	icacls.exe
PID 3468 wrote to memory of 3660	3468	f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe	icacls.exe
PID 3468 wrote to memory of 3668	3468	f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe	f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe
PID 3468 wrote to memory of 3668	3468	f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe	f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe
PID 3468 wrote to memory of 3668	3468	f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe	f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe
PID 3668 wrote to memory of 4384	3668	f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe	f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe
PID 3668 wrote to memory of 4384	3668	f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe	f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe
PID 3668 wrote to memory of 4384	3668	f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe	f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe
PID 3668 wrote to memory of 4384	3668	f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe	f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe
PID 3668 wrote to memory of 4384	3668	f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe	f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe
PID 3668 wrote to memory of 4384	3668	f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe	f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe
PID 3668 wrote to memory of 4384	3668	f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe	f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe
PID 3668 wrote to memory of 4384	3668	f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe	f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe
PID 3668 wrote to memory of 4384	3668	f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe	f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe
PID 3668 wrote to memory of 4384	3668	f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe	f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe
PID 4384 wrote to memory of 4904	4384	f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe	build2.exe
PID 4384 wrote to memory of 4904	4384	f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe	build2.exe
PID 4384 wrote to memory of 4904	4384	f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe	build2.exe
PID 4904 wrote to memory of 840	4904	build2.exe	build2.exe
PID 4904 wrote to memory of 840	4904	build2.exe	build2.exe
PID 4904 wrote to memory of 840	4904	build2.exe	build2.exe
PID 4904 wrote to memory of 840	4904	build2.exe	build2.exe
PID 4904 wrote to memory of 840	4904	build2.exe	build2.exe
PID 4904 wrote to memory of 840	4904	build2.exe	build2.exe
PID 4904 wrote to memory of 840	4904	build2.exe	build2.exe
PID 4904 wrote to memory of 840	4904	build2.exe	build2.exe
PID 4904 wrote to memory of 840	4904	build2.exe	build2.exe
PID 4384 wrote to memory of 1496	4384	f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe	build3.exe
PID 4384 wrote to memory of 1496	4384	f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe	build3.exe
PID 4384 wrote to memory of 1496	4384	f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe	build3.exe
PID 1496 wrote to memory of 3876	1496	build3.exe	schtasks.exe
PID 1496 wrote to memory of 3876	1496	build3.exe	schtasks.exe
PID 1496 wrote to memory of 3876	1496	build3.exe	schtasks.exe
PID 5108 wrote to memory of 1540	5108	mstsca.exe	schtasks.exe
PID 5108 wrote to memory of 1540	5108	mstsca.exe	schtasks.exe
PID 5108 wrote to memory of 1540	5108	mstsca.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe
"C:\Users\Admin\AppData\Local\Temp\f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3688

C:\Users\Admin\AppData\Local\Temp\f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe
"C:\Users\Admin\AppData\Local\Temp\f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe"
2⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3468

C:\Windows\SysWOW64\icacls.exe
icacls "C:\Users\Admin\AppData\Local\2b587e7e-23dd-44db-9961-2dfc71fe9025" /deny *S-1-1-0:(OI)(CI)(DE,DC)
3⤵
- Modifies file permissions
PID:3660

C:\Users\Admin\AppData\Local\Temp\f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe
"C:\Users\Admin\AppData\Local\Temp\f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe" --Admin IsNotAutoStart IsNotTask
3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3668

C:\Users\Admin\AppData\Local\Temp\f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe
"C:\Users\Admin\AppData\Local\Temp\f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe" --Admin IsNotAutoStart IsNotTask
4⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4384

C:\Users\Admin\AppData\Local\3d56b712-9fd8-4a30-8cdb-857f3f5a2b9e\build2.exe
"C:\Users\Admin\AppData\Local\3d56b712-9fd8-4a30-8cdb-857f3f5a2b9e\build2.exe"
5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4904

C:\Users\Admin\AppData\Local\3d56b712-9fd8-4a30-8cdb-857f3f5a2b9e\build2.exe
"C:\Users\Admin\AppData\Local\3d56b712-9fd8-4a30-8cdb-857f3f5a2b9e\build2.exe"
6⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:840

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 840 -s 1868
7⤵
- Program crash
PID:2664

C:\Users\Admin\AppData\Local\3d56b712-9fd8-4a30-8cdb-857f3f5a2b9e\build3.exe
"C:\Users\Admin\AppData\Local\3d56b712-9fd8-4a30-8cdb-857f3f5a2b9e\build3.exe"
5⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1496

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:3876

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 840 -ip 840
1⤵
PID:1556

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:5108

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:1540

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
b636591fc66c9d2a1a425dd29939147f

SHA1
0d48b7a8df06ce304c8a8b1c1dae5912c6b666f4

SHA256
95c629cd39afdd4a9e98a94b6ea6a85c3e692c27c77d963899177b55948b72d1

SHA512
e6be6c7ec5a010a3a3509a567891a0f338bf19e84649f5240e7e500cfc87c752cb28ca6a54aa93d896f4cdf2eac46775bf1165b0085eab23176b237d1bd9ad31

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
Filesize
1KB

MD5
a8c5ec082ddbfa706307d295f25ae6fa

SHA1
9d59be752069e201236a1edec3c3b374afc1b382

SHA256
c6e194e6a673e59490dfe69c0ea81bff16de4cb1b9b82408dc2738ec7efe488c

SHA512
80441dd81f5edc564f50c550a2b93db1bcf7d809811f8df43896d4d3d85c4bda95e735e67f82edf951f2601c84119f8a0769df3643ec777172f1134132ec6dd8

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
Filesize
488B

MD5
2ca4ff44d29e2d68ab7b91d6c7895547

SHA1
d77f27e07a12d8aacea81291ecb74c61bf763598

SHA256
89db4d14445e72669ff33115e5bc2c3807b43dff87152c8328dacc0b208564d7

SHA512
93dd67d2066c3c89b75842bb72b286d352aca4c6701949e37a5556edb39b5345e82b0737da3b736c28e0eefd2460dd66afee72ebd5d404bb31699a63506fd0a3

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

MD5
930e397c1416e01e17cb992fda5a6820

SHA1
7e6ca352e269b1424ac68cde909144b3464181af

SHA256
ce3b4d6a6cac77bd94598aa9d8a77e307bad2fea9061f911c0fa8a17c3f3b93e

SHA512
e15815e6ebf7aef0f08c1cc2748bc0f8ee13f3591c6c824040e4778a869fd14a2168f948ad0c26d874865b29dc6b9803a534d448be985dad241a16b19de209f6

Download Submit
C:\Users\Admin\AppData\Local\2b587e7e-23dd-44db-9961-2dfc71fe9025\f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0.exe
Filesize
751KB

MD5
c12bbe09df9d728c8bd4a1c8a535a600

SHA1
2547b9bc243bbf489892569ffdccc0560280efe3

SHA256
f4da30f72b7b31b622f120902803dd3812ccf43c94c0b8216420dbfa37741ae0

SHA512
3a0d8356df1be07305acb8d533c8fe4809e807d0de64ff6dba58cc03ee1e2ab810654d7e04cc9a9f42830eac620db76b547e7bbb0f72b091a61cafa6affaca19

Download Submit
C:\Users\Admin\AppData\Local\3d56b712-9fd8-4a30-8cdb-857f3f5a2b9e\build2.exe
Filesize
416KB

MD5
aa18968e6cfbdc382ada6a3ed2852085

SHA1
4a41fa1a182916d5790aa2071106b3441d64468d

SHA256
c165c8db38ef8dd8c33d103b5ee78e9ddafd8081ff0c7c035fa5251f970e6cfb

SHA512
8ffdacca2b003438fd4874e7c88beedb6ad8cf9cd5b36fda5907751e06a85a829e7d9ce7335fb59590462f78054722bccba511b21db838368c661d993000a845

Download Submit
C:\Users\Admin\AppData\Local\3d56b712-9fd8-4a30-8cdb-857f3f5a2b9e\build2.exe
Filesize
416KB

MD5
aa18968e6cfbdc382ada6a3ed2852085

SHA1
4a41fa1a182916d5790aa2071106b3441d64468d

SHA256
c165c8db38ef8dd8c33d103b5ee78e9ddafd8081ff0c7c035fa5251f970e6cfb

SHA512
8ffdacca2b003438fd4874e7c88beedb6ad8cf9cd5b36fda5907751e06a85a829e7d9ce7335fb59590462f78054722bccba511b21db838368c661d993000a845

Download Submit
C:\Users\Admin\AppData\Local\3d56b712-9fd8-4a30-8cdb-857f3f5a2b9e\build2.exe
Filesize
416KB

MD5
aa18968e6cfbdc382ada6a3ed2852085

SHA1
4a41fa1a182916d5790aa2071106b3441d64468d

SHA256
c165c8db38ef8dd8c33d103b5ee78e9ddafd8081ff0c7c035fa5251f970e6cfb

SHA512
8ffdacca2b003438fd4874e7c88beedb6ad8cf9cd5b36fda5907751e06a85a829e7d9ce7335fb59590462f78054722bccba511b21db838368c661d993000a845

Download Submit
C:\Users\Admin\AppData\Local\3d56b712-9fd8-4a30-8cdb-857f3f5a2b9e\build2.exe
Filesize
416KB

MD5
aa18968e6cfbdc382ada6a3ed2852085

SHA1
4a41fa1a182916d5790aa2071106b3441d64468d

SHA256
c165c8db38ef8dd8c33d103b5ee78e9ddafd8081ff0c7c035fa5251f970e6cfb

SHA512
8ffdacca2b003438fd4874e7c88beedb6ad8cf9cd5b36fda5907751e06a85a829e7d9ce7335fb59590462f78054722bccba511b21db838368c661d993000a845

Download Submit
C:\Users\Admin\AppData\Local\3d56b712-9fd8-4a30-8cdb-857f3f5a2b9e\build3.exe
Filesize
9KB

MD5
9ead10c08e72ae41921191f8db39bc16

SHA1
abe3bce01cd34afc88e2c838173f8c2bd0090ae1

SHA256
8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

SHA512
aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

Download Submit
C:\Users\Admin\AppData\Local\3d56b712-9fd8-4a30-8cdb-857f3f5a2b9e\build3.exe
Filesize
9KB

MD5
9ead10c08e72ae41921191f8db39bc16

SHA1
abe3bce01cd34afc88e2c838173f8c2bd0090ae1

SHA256
8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

SHA512
aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

Download Submit
C:\Users\Admin\AppData\Local\3d56b712-9fd8-4a30-8cdb-857f3f5a2b9e\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/840-178-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/840-205-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/840-275-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/840-274-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/840-183-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/840-182-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/840-180-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/3468-147-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3468-137-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3468-135-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3468-138-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3468-134-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3688-136-0x0000000002840000-0x000000000295B000-memory.dmp

Filesize
1.1MB

Download
memory/4384-158-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4384-192-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4384-159-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4384-166-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4384-163-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4384-152-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4384-165-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4384-278-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4384-155-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4384-151-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4904-181-0x0000000002D60000-0x0000000002DB7000-memory.dmp

Filesize
348KB

Download