djvu | 6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32

Analysis

max time kernel
144s
max time network
125s
platform
windows10-1703_x64
resource
win10-20230220-en
resource tags

arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
submitted
03-04-2023 19:44

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General

Target

6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe
Size

693KB
MD5

3139e511125ff8bb64b81d0734e8c3cb
SHA1

c8960af8c579c2543ae08c1d8af155c87b499d91
SHA256

6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32
SHA512

7d37617be1b03a7d1705510bb768026aa6674d116c0acd0058edb8cc12a8f233be91e94fe2a59b0101b3f25a842a2af561b082ca9a63a7e644bac6b62b892294
SSDEEP

12288:dROfdr21YW8SeJXfKli/IiK98r43NTr5ZpCYOvj/hV/RJMyjoWZ8Bq0rP/LUM:dRgCyYeJXylbiKaETcYITzMylZI7Tp

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 16 IoCs

Processes:

resource	yara_rule
behavioral1/memory/4192-117-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4192-118-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3712-119-0x00000000022A0000-0x00000000023BB000-memory.dmp	family_djvu
behavioral1/memory/4192-120-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4192-121-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4192-132-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3000-136-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3000-137-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3000-142-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3000-143-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3000-144-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3000-148-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3000-150-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3000-151-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3000-164-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3000-174-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu

Djvu Ransomware
Ransomware which is a variant of the STOP family.
ransomware djvu
Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Downloads MZ/PE file
Executes dropped EXE 4 IoCs

Processes:

build2.exebuild3.exebuild2.exemstsca.exe

pid process

4876 build2.exe
3640 build3.exe
2516 build2.exe
2692 mstsca.exe
Loads dropped DLL 2 IoCs

Processes:

build2.exe

pid process

2516 build2.exe
2516 build2.exe
Modifies file permissions 1 TTPs 1 IoCs
discovery

File Permissions Modification
T1222

Processes:

icacls.exe

pid process

1792 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
4876	build2.exe
3640	build3.exe
2516	build2.exe
2692	mstsca.exe

pid	process
2516	build2.exe
2516	build2.exe

pid	process
1792	icacls.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3853465373-1718857667-1861325682-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\155e9379-2217-422f-9b93-7060674899f0\\6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe\" --AutoStart"	6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.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
13 api.2ip.ua

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

Suspicious use of SetThreadContext 3 IoCs

Processes:

6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exebuild2.exe

description	pid	process	target process
PID 3712 set thread context of 4192	3712	6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe	6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe
PID 3980 set thread context of 3000	3980	6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe	6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe
PID 4876 set thread context of 2516	4876	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

4656 schtasks.exe
3236 schtasks.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

440 timeout.exe

pid	process
4656	schtasks.exe
3236	schtasks.exe

pid	process
440	timeout.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exebuild2.exe

pid	process
4192	6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe
4192	6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe
3000	6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe
3000	6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe
2516	build2.exe
2516	build2.exe

Suspicious use of WriteProcessMemory 53 IoCs

Processes:

6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exebuild3.exebuild2.exemstsca.exebuild2.execmd.exe

description	pid	process	target process
PID 3712 wrote to memory of 4192	3712	6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe	6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe
PID 3712 wrote to memory of 4192	3712	6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe	6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe
PID 3712 wrote to memory of 4192	3712	6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe	6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe
PID 3712 wrote to memory of 4192	3712	6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe	6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe
PID 3712 wrote to memory of 4192	3712	6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe	6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe
PID 3712 wrote to memory of 4192	3712	6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe	6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe
PID 3712 wrote to memory of 4192	3712	6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe	6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe
PID 3712 wrote to memory of 4192	3712	6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe	6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe
PID 3712 wrote to memory of 4192	3712	6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe	6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe
PID 3712 wrote to memory of 4192	3712	6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe	6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe
PID 4192 wrote to memory of 1792	4192	6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe	icacls.exe
PID 4192 wrote to memory of 1792	4192	6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe	icacls.exe
PID 4192 wrote to memory of 1792	4192	6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe	icacls.exe
PID 4192 wrote to memory of 3980	4192	6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe	6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe
PID 4192 wrote to memory of 3980	4192	6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe	6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe
PID 4192 wrote to memory of 3980	4192	6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe	6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe
PID 3980 wrote to memory of 3000	3980	6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe	6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe
PID 3980 wrote to memory of 3000	3980	6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe	6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe
PID 3980 wrote to memory of 3000	3980	6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe	6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe
PID 3980 wrote to memory of 3000	3980	6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe	6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe
PID 3980 wrote to memory of 3000	3980	6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe	6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe
PID 3980 wrote to memory of 3000	3980	6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe	6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe
PID 3980 wrote to memory of 3000	3980	6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe	6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe
PID 3980 wrote to memory of 3000	3980	6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe	6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe
PID 3980 wrote to memory of 3000	3980	6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe	6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe
PID 3980 wrote to memory of 3000	3980	6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe	6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe
PID 3000 wrote to memory of 4876	3000	6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe	build2.exe
PID 3000 wrote to memory of 4876	3000	6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe	build2.exe
PID 3000 wrote to memory of 4876	3000	6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe	build2.exe
PID 3000 wrote to memory of 3640	3000	6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe	build3.exe
PID 3000 wrote to memory of 3640	3000	6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe	build3.exe
PID 3000 wrote to memory of 3640	3000	6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe	build3.exe
PID 3640 wrote to memory of 4656	3640	build3.exe	schtasks.exe
PID 3640 wrote to memory of 4656	3640	build3.exe	schtasks.exe
PID 3640 wrote to memory of 4656	3640	build3.exe	schtasks.exe
PID 4876 wrote to memory of 2516	4876	build2.exe	build2.exe
PID 4876 wrote to memory of 2516	4876	build2.exe	build2.exe
PID 4876 wrote to memory of 2516	4876	build2.exe	build2.exe
PID 4876 wrote to memory of 2516	4876	build2.exe	build2.exe
PID 4876 wrote to memory of 2516	4876	build2.exe	build2.exe
PID 4876 wrote to memory of 2516	4876	build2.exe	build2.exe
PID 4876 wrote to memory of 2516	4876	build2.exe	build2.exe
PID 4876 wrote to memory of 2516	4876	build2.exe	build2.exe
PID 4876 wrote to memory of 2516	4876	build2.exe	build2.exe
PID 2692 wrote to memory of 3236	2692	mstsca.exe	schtasks.exe
PID 2692 wrote to memory of 3236	2692	mstsca.exe	schtasks.exe
PID 2692 wrote to memory of 3236	2692	mstsca.exe	schtasks.exe
PID 2516 wrote to memory of 760	2516	build2.exe	cmd.exe
PID 2516 wrote to memory of 760	2516	build2.exe	cmd.exe
PID 2516 wrote to memory of 760	2516	build2.exe	cmd.exe
PID 760 wrote to memory of 440	760	cmd.exe	timeout.exe
PID 760 wrote to memory of 440	760	cmd.exe	timeout.exe
PID 760 wrote to memory of 440	760	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe
"C:\Users\Admin\AppData\Local\Temp\6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3712

C:\Users\Admin\AppData\Local\Temp\6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe
"C:\Users\Admin\AppData\Local\Temp\6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4192

C:\Windows\SysWOW64\icacls.exe
icacls "C:\Users\Admin\AppData\Local\155e9379-2217-422f-9b93-7060674899f0" /deny *S-1-1-0:(OI)(CI)(DE,DC)
3⤵
- Modifies file permissions
PID:1792

C:\Users\Admin\AppData\Local\Temp\6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe
"C:\Users\Admin\AppData\Local\Temp\6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe" --Admin IsNotAutoStart IsNotTask
3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3980

C:\Users\Admin\AppData\Local\Temp\6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe
"C:\Users\Admin\AppData\Local\Temp\6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe" --Admin IsNotAutoStart IsNotTask
4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3000

C:\Users\Admin\AppData\Local\5b3e517e-c25d-41d9-8d8a-fc9c19b2d4d6\build2.exe
"C:\Users\Admin\AppData\Local\5b3e517e-c25d-41d9-8d8a-fc9c19b2d4d6\build2.exe"
5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4876

C:\Users\Admin\AppData\Local\5b3e517e-c25d-41d9-8d8a-fc9c19b2d4d6\build2.exe
"C:\Users\Admin\AppData\Local\5b3e517e-c25d-41d9-8d8a-fc9c19b2d4d6\build2.exe"
6⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2516

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\5b3e517e-c25d-41d9-8d8a-fc9c19b2d4d6\build2.exe" & exit
7⤵
- Suspicious use of WriteProcessMemory
PID:760

C:\Windows\SysWOW64\timeout.exe
timeout /t 6
8⤵
- Delays execution with timeout.exe
PID:440

C:\Users\Admin\AppData\Local\5b3e517e-c25d-41d9-8d8a-fc9c19b2d4d6\build3.exe
"C:\Users\Admin\AppData\Local\5b3e517e-c25d-41d9-8d8a-fc9c19b2d4d6\build3.exe"
5⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3640

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:4656

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:2692

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:3236

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:\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
8d4d5b06c8e34a7d23e0a14524dfca46

SHA1
60cc7f18a59828c9aa19d31c996baf052c316e24

SHA256
109a725f2955fe284f00e009783f39c41014b5d837263b03c268d6024a5276a5

SHA512
f6ce81f33f3e746b91cc1a53f7b3edbc6fd3a8a1ea2e6d39c5656dbb6c4beaaaa9e96a040406c2e213fc029ea87384551322fb37e742a4ec2c84df24427a6210

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

MD5
77c46f9ac5a600dd76958f7c824bd423

SHA1
6f4f8c5aaa848419985abe37d450c7eeac6dde4a

SHA256
21d472f7cce7d9ba3885d246c29345a33374afc43fd216bdbb49571047e0fd79

SHA512
7ba75addfca32dea9b9345f9824f7c04313268dfec79dcc1b89da5b5673a7a414e64a160c00f22b237315f08ba9453b611825f4b637655f6b92427dec0fa4216

Download Submit
C:\Users\Admin\AppData\Local\155e9379-2217-422f-9b93-7060674899f0\6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32.exe
Filesize
693KB

MD5
3139e511125ff8bb64b81d0734e8c3cb

SHA1
c8960af8c579c2543ae08c1d8af155c87b499d91

SHA256
6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32

SHA512
7d37617be1b03a7d1705510bb768026aa6674d116c0acd0058edb8cc12a8f233be91e94fe2a59b0101b3f25a842a2af561b082ca9a63a7e644bac6b62b892294

Download Submit
C:\Users\Admin\AppData\Local\5b3e517e-c25d-41d9-8d8a-fc9c19b2d4d6\build2.exe
Filesize
416KB

MD5
aa18968e6cfbdc382ada6a3ed2852085

SHA1
4a41fa1a182916d5790aa2071106b3441d64468d

SHA256
c165c8db38ef8dd8c33d103b5ee78e9ddafd8081ff0c7c035fa5251f970e6cfb

SHA512
8ffdacca2b003438fd4874e7c88beedb6ad8cf9cd5b36fda5907751e06a85a829e7d9ce7335fb59590462f78054722bccba511b21db838368c661d993000a845

Download Submit
C:\Users\Admin\AppData\Local\5b3e517e-c25d-41d9-8d8a-fc9c19b2d4d6\build2.exe
Filesize
416KB

MD5
aa18968e6cfbdc382ada6a3ed2852085

SHA1
4a41fa1a182916d5790aa2071106b3441d64468d

SHA256
c165c8db38ef8dd8c33d103b5ee78e9ddafd8081ff0c7c035fa5251f970e6cfb

SHA512
8ffdacca2b003438fd4874e7c88beedb6ad8cf9cd5b36fda5907751e06a85a829e7d9ce7335fb59590462f78054722bccba511b21db838368c661d993000a845

Download Submit
C:\Users\Admin\AppData\Local\5b3e517e-c25d-41d9-8d8a-fc9c19b2d4d6\build2.exe
Filesize
416KB

MD5
aa18968e6cfbdc382ada6a3ed2852085

SHA1
4a41fa1a182916d5790aa2071106b3441d64468d

SHA256
c165c8db38ef8dd8c33d103b5ee78e9ddafd8081ff0c7c035fa5251f970e6cfb

SHA512
8ffdacca2b003438fd4874e7c88beedb6ad8cf9cd5b36fda5907751e06a85a829e7d9ce7335fb59590462f78054722bccba511b21db838368c661d993000a845

Download Submit
C:\Users\Admin\AppData\Local\5b3e517e-c25d-41d9-8d8a-fc9c19b2d4d6\build3.exe
Filesize
9KB

MD5
9ead10c08e72ae41921191f8db39bc16

SHA1
abe3bce01cd34afc88e2c838173f8c2bd0090ae1

SHA256
8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

SHA512
aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

Download Submit
C:\Users\Admin\AppData\Local\5b3e517e-c25d-41d9-8d8a-fc9c19b2d4d6\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
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/2516-175-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/2516-171-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/2516-247-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/2516-246-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/2516-245-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/2516-231-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/2516-186-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/2516-169-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/2516-173-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/3000-143-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3000-137-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3000-164-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3000-150-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3000-142-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3000-148-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3000-174-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3000-136-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3000-144-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3000-151-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3712-119-0x00000000022A0000-0x00000000023BB000-memory.dmp

Filesize
1.1MB

Download
memory/4192-121-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4192-117-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4192-132-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4192-118-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4192-120-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4876-172-0x00000000047B0000-0x0000000004807000-memory.dmp

Filesize
348KB

Download