djvu | 37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7

Resubmissions

02-04-2023 15:22

230402-srycjsha39 10

02-04-2023 14:33

230402-rw1sssab3t 10

Analysis

max time kernel
146s
max time network
127s
platform
windows10-1703_x64
resource
win10-20230220-en
resource tags

arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
submitted
02-04-2023 14:33

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General

Target

37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe
Size

751KB
MD5

a7232495cefcbd35aece550e9cb57be2
SHA1

8348c90f7d9faef12b2acea0741932d9dabdf83b
SHA256

37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7
SHA512

cada31ba1a8414d2c861aad47d9cd4e51bb1d73cfb91589c1c1378b7eec130a1bfdefb11a2c2059f6c9e6afe6bca759e297c853989e082cb70f385e822c92a7a
SSDEEP

12288:PZv3GWL91nJXTgmNubakPfzN8jgWASRmVAeTGmAmQtHFWvqF2ti//cVfbAGKtGt:5GWR19TgmHoN8jghSoTTGmALtlkqAkC1

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/2528-122-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2448-124-0x00000000027D0000-0x00000000028EB000-memory.dmp	family_djvu
behavioral1/memory/2528-123-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2528-125-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2528-126-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2528-137-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4660-141-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4660-142-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4660-147-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4660-148-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4660-149-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4660-169-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4660-176-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4660-178-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4660-179-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4660-219-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu

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

Processes:

build2.exebuild2.exebuild3.exemstsca.exe

pid process

2892 build2.exe
4716 build2.exe
1332 build3.exe
4020 mstsca.exe
Loads dropped DLL 2 IoCs

Processes:

build2.exe

pid process

4716 build2.exe
4716 build2.exe
Modifies file permissions 1 TTPs 1 IoCs
discovery

File and Directory Permissions Modification
T1222

Processes:

icacls.exe

pid process

5036 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
2892	build2.exe
4716	build2.exe
1332	build3.exe
4020	mstsca.exe

pid	process
4716	build2.exe
4716	build2.exe

pid	process
5036	icacls.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\941d7fb3-aa7a-4267-99ed-48d7d6154476\\37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe\" --AutoStart"	37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.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
12 api.2ip.ua

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

Suspicious use of SetThreadContext 3 IoCs

Processes:

37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exebuild2.exe

description	pid	process	target process
PID 2448 set thread context of 2528	2448	37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe	37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe
PID 4232 set thread context of 4660	4232	37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe	37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe
PID 2892 set thread context of 4716	2892	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

5104 schtasks.exe
3740 schtasks.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

5016 timeout.exe

pid	process
5104	schtasks.exe
3740	schtasks.exe

pid	process
5016	timeout.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exebuild2.exe

pid	process
2528	37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe
2528	37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe
4660	37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe
4660	37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe
4716	build2.exe
4716	build2.exe

Suspicious use of WriteProcessMemory 53 IoCs

Processes:

37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exebuild2.exebuild3.exebuild2.execmd.exemstsca.exe

description	pid	process	target process
PID 2448 wrote to memory of 2528	2448	37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe	37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe
PID 2448 wrote to memory of 2528	2448	37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe	37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe
PID 2448 wrote to memory of 2528	2448	37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe	37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe
PID 2448 wrote to memory of 2528	2448	37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe	37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe
PID 2448 wrote to memory of 2528	2448	37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe	37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe
PID 2448 wrote to memory of 2528	2448	37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe	37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe
PID 2448 wrote to memory of 2528	2448	37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe	37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe
PID 2448 wrote to memory of 2528	2448	37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe	37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe
PID 2448 wrote to memory of 2528	2448	37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe	37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe
PID 2448 wrote to memory of 2528	2448	37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe	37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe
PID 2528 wrote to memory of 5036	2528	37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe	icacls.exe
PID 2528 wrote to memory of 5036	2528	37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe	icacls.exe
PID 2528 wrote to memory of 5036	2528	37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe	icacls.exe
PID 2528 wrote to memory of 4232	2528	37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe	37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe
PID 2528 wrote to memory of 4232	2528	37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe	37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe
PID 2528 wrote to memory of 4232	2528	37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe	37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe
PID 4232 wrote to memory of 4660	4232	37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe	37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe
PID 4232 wrote to memory of 4660	4232	37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe	37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe
PID 4232 wrote to memory of 4660	4232	37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe	37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe
PID 4232 wrote to memory of 4660	4232	37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe	37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe
PID 4232 wrote to memory of 4660	4232	37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe	37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe
PID 4232 wrote to memory of 4660	4232	37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe	37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe
PID 4232 wrote to memory of 4660	4232	37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe	37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe
PID 4232 wrote to memory of 4660	4232	37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe	37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe
PID 4232 wrote to memory of 4660	4232	37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe	37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe
PID 4232 wrote to memory of 4660	4232	37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe	37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe
PID 4660 wrote to memory of 2892	4660	37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe	build2.exe
PID 4660 wrote to memory of 2892	4660	37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe	build2.exe
PID 4660 wrote to memory of 2892	4660	37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe	build2.exe
PID 2892 wrote to memory of 4716	2892	build2.exe	build2.exe
PID 2892 wrote to memory of 4716	2892	build2.exe	build2.exe
PID 2892 wrote to memory of 4716	2892	build2.exe	build2.exe
PID 2892 wrote to memory of 4716	2892	build2.exe	build2.exe
PID 2892 wrote to memory of 4716	2892	build2.exe	build2.exe
PID 2892 wrote to memory of 4716	2892	build2.exe	build2.exe
PID 2892 wrote to memory of 4716	2892	build2.exe	build2.exe
PID 2892 wrote to memory of 4716	2892	build2.exe	build2.exe
PID 2892 wrote to memory of 4716	2892	build2.exe	build2.exe
PID 4660 wrote to memory of 1332	4660	37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe	build3.exe
PID 4660 wrote to memory of 1332	4660	37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe	build3.exe
PID 4660 wrote to memory of 1332	4660	37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe	build3.exe
PID 1332 wrote to memory of 3740	1332	build3.exe	schtasks.exe
PID 1332 wrote to memory of 3740	1332	build3.exe	schtasks.exe
PID 1332 wrote to memory of 3740	1332	build3.exe	schtasks.exe
PID 4716 wrote to memory of 4944	4716	build2.exe	cmd.exe
PID 4716 wrote to memory of 4944	4716	build2.exe	cmd.exe
PID 4716 wrote to memory of 4944	4716	build2.exe	cmd.exe
PID 4944 wrote to memory of 5016	4944	cmd.exe	timeout.exe
PID 4944 wrote to memory of 5016	4944	cmd.exe	timeout.exe
PID 4944 wrote to memory of 5016	4944	cmd.exe	timeout.exe
PID 4020 wrote to memory of 5104	4020	mstsca.exe	schtasks.exe
PID 4020 wrote to memory of 5104	4020	mstsca.exe	schtasks.exe
PID 4020 wrote to memory of 5104	4020	mstsca.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe
"C:\Users\Admin\AppData\Local\Temp\37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2448

C:\Users\Admin\AppData\Local\Temp\37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe
"C:\Users\Admin\AppData\Local\Temp\37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2528

C:\Windows\SysWOW64\icacls.exe
icacls "C:\Users\Admin\AppData\Local\941d7fb3-aa7a-4267-99ed-48d7d6154476" /deny *S-1-1-0:(OI)(CI)(DE,DC)
3⤵
- Modifies file permissions
PID:5036

C:\Users\Admin\AppData\Local\Temp\37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe
"C:\Users\Admin\AppData\Local\Temp\37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe" --Admin IsNotAutoStart IsNotTask
3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4232

C:\Users\Admin\AppData\Local\Temp\37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe
"C:\Users\Admin\AppData\Local\Temp\37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe" --Admin IsNotAutoStart IsNotTask
4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4660

C:\Users\Admin\AppData\Local\ce4500f7-b951-4462-a0a9-de093f9e6a53\build2.exe
"C:\Users\Admin\AppData\Local\ce4500f7-b951-4462-a0a9-de093f9e6a53\build2.exe"
5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2892

C:\Users\Admin\AppData\Local\ce4500f7-b951-4462-a0a9-de093f9e6a53\build2.exe
"C:\Users\Admin\AppData\Local\ce4500f7-b951-4462-a0a9-de093f9e6a53\build2.exe"
6⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4716

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\ce4500f7-b951-4462-a0a9-de093f9e6a53\build2.exe" & exit
7⤵
- Suspicious use of WriteProcessMemory
PID:4944

C:\Windows\SysWOW64\timeout.exe
timeout /t 6
8⤵
- Delays execution with timeout.exe
PID:5016

C:\Users\Admin\AppData\Local\ce4500f7-b951-4462-a0a9-de093f9e6a53\build3.exe
"C:\Users\Admin\AppData\Local\ce4500f7-b951-4462-a0a9-de093f9e6a53\build3.exe"
5⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1332

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:3740

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:4020

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:5104

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

File and Directory Permissions Modification

T1222

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
Filesize
2KB

MD5
b636591fc66c9d2a1a425dd29939147f

SHA1
0d48b7a8df06ce304c8a8b1c1dae5912c6b666f4

SHA256
95c629cd39afdd4a9e98a94b6ea6a85c3e692c27c77d963899177b55948b72d1

SHA512
e6be6c7ec5a010a3a3509a567891a0f338bf19e84649f5240e7e500cfc87c752cb28ca6a54aa93d896f4cdf2eac46775bf1165b0085eab23176b237d1bd9ad31

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
799709465a4de9318b822d0703394b8c

SHA1
b18186b696be8a3f8e42d051a800ebbf89ada395

SHA256
6351708dde56b0d8f6d8faae53867b24ff3793b02ffcf19a6ec4f29ce70e8d0d

SHA512
6375b638bff9b272f13a6b8d351cb194c53711e7d9a431ff0611a6b0bee56521782e4814ec984c1c43c6429a2a6b96eca28fa548e6efa820ffae5e50a8e46dde

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

MD5
69d37899421b5e0bd0cfd7056f383472

SHA1
fc0cc667c2dfc2a474ee792deed27ee25d8f8e2b

SHA256
7c355d96cfabe7d8bec9b3c7c726cab2e336bd42048ad2f150bca259b3822a76

SHA512
17993bfaf4d7de909b7ddbc431324db23a0c630f0ea204470a84d3545fbbabea4d4b33f7b0892f769c26046396e5ff1f4dc16a32f8dd0082c35e2695742d6507

Download Submit
C:\Users\Admin\AppData\Local\941d7fb3-aa7a-4267-99ed-48d7d6154476\37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe
Filesize
751KB

MD5
a7232495cefcbd35aece550e9cb57be2

SHA1
8348c90f7d9faef12b2acea0741932d9dabdf83b

SHA256
37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7

SHA512
cada31ba1a8414d2c861aad47d9cd4e51bb1d73cfb91589c1c1378b7eec130a1bfdefb11a2c2059f6c9e6afe6bca759e297c853989e082cb70f385e822c92a7a

Download Submit
C:\Users\Admin\AppData\Local\ce4500f7-b951-4462-a0a9-de093f9e6a53\build2.exe
Filesize
416KB

MD5
aa18968e6cfbdc382ada6a3ed2852085

SHA1
4a41fa1a182916d5790aa2071106b3441d64468d

SHA256
c165c8db38ef8dd8c33d103b5ee78e9ddafd8081ff0c7c035fa5251f970e6cfb

SHA512
8ffdacca2b003438fd4874e7c88beedb6ad8cf9cd5b36fda5907751e06a85a829e7d9ce7335fb59590462f78054722bccba511b21db838368c661d993000a845

Download Submit
C:\Users\Admin\AppData\Local\ce4500f7-b951-4462-a0a9-de093f9e6a53\build2.exe
Filesize
416KB

MD5
aa18968e6cfbdc382ada6a3ed2852085

SHA1
4a41fa1a182916d5790aa2071106b3441d64468d

SHA256
c165c8db38ef8dd8c33d103b5ee78e9ddafd8081ff0c7c035fa5251f970e6cfb

SHA512
8ffdacca2b003438fd4874e7c88beedb6ad8cf9cd5b36fda5907751e06a85a829e7d9ce7335fb59590462f78054722bccba511b21db838368c661d993000a845

Download Submit
C:\Users\Admin\AppData\Local\ce4500f7-b951-4462-a0a9-de093f9e6a53\build2.exe
Filesize
416KB

MD5
aa18968e6cfbdc382ada6a3ed2852085

SHA1
4a41fa1a182916d5790aa2071106b3441d64468d

SHA256
c165c8db38ef8dd8c33d103b5ee78e9ddafd8081ff0c7c035fa5251f970e6cfb

SHA512
8ffdacca2b003438fd4874e7c88beedb6ad8cf9cd5b36fda5907751e06a85a829e7d9ce7335fb59590462f78054722bccba511b21db838368c661d993000a845

Download Submit
C:\Users\Admin\AppData\Local\ce4500f7-b951-4462-a0a9-de093f9e6a53\build3.exe
Filesize
9KB

MD5
9ead10c08e72ae41921191f8db39bc16

SHA1
abe3bce01cd34afc88e2c838173f8c2bd0090ae1

SHA256
8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

SHA512
aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

Download Submit
C:\Users\Admin\AppData\Local\ce4500f7-b951-4462-a0a9-de093f9e6a53\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/2448-124-0x00000000027D0000-0x00000000028EB000-memory.dmp

Filesize
1.1MB

Download
memory/2528-123-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2528-125-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2528-137-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2528-122-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2528-126-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2892-249-0x0000000002CF0000-0x0000000002D47000-memory.dmp

Filesize
348KB

Download
memory/2892-161-0x0000000002CF0000-0x0000000002D47000-memory.dmp

Filesize
348KB

Download
memory/4660-178-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4660-149-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4660-148-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4660-147-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4660-141-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4660-176-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4660-142-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4660-179-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4660-219-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4660-169-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4716-162-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/4716-190-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/4716-244-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/4716-246-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/4716-247-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/4716-160-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/4716-158-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/4716-172-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download