djvu | 3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a

Analysis

max time kernel
147s
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
04-04-2023 02:05

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General

Target

3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe
Size

694KB
MD5

5b1538e7d9f6a659292cb7c21e53249c
SHA1

3940f99a47e68a17266fcdbe1de5a453a7da697b
SHA256

3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a
SHA512

a8f583e9e74d4733333783ecfcb8943504f81a43cd78dd32c80200707bd4a0f82385386ce0930902e5dfe8db7e4f19b62c14a06ecf155cfa77a7afb18eee9d20
SSDEEP

12288:q+ifvjMxsojWLo5t/HZ1jtKvdryDPzifYInrxDtxCvoP567XE:q+wo6ih1jt8y3i1rxe1X

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: support@freshmail.top Reserve e-mail address to contact us: datarestorehelp@airmail.cc 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/5032-119-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/5032-120-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4092-121-0x00000000023E0000-0x00000000024FB000-memory.dmp	family_djvu
behavioral1/memory/5032-122-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/5032-123-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/5032-134-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4192-138-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4192-139-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4192-140-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4192-145-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4192-146-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4192-150-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4192-153-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4192-152-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4192-154-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4192-174-0x0000000000400000-0x0000000000537000-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.exebuild2.exebuild3.exemstsca.exe

pid process

1544 build2.exe
3468 build2.exe
4916 build3.exe
1092 mstsca.exe
Loads dropped DLL 2 IoCs

Processes:

build2.exe

pid process

3468 build2.exe
3468 build2.exe
Modifies file permissions 1 TTPs 1 IoCs
discovery

File Permissions Modification
T1222

Processes:

icacls.exe

pid process

4156 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
1544	build2.exe
3468	build2.exe
4916	build3.exe
1092	mstsca.exe

pid	process
3468	build2.exe
3468	build2.exe

pid	process
4156	icacls.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.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\\a1511f8b-014d-4c9b-ac68-d66cc6827fbe\\3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe\" --AutoStart"	3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.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:

3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exebuild2.exe

description	pid	process	target process
PID 4092 set thread context of 5032	4092	3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe	3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe
PID 3908 set thread context of 4192	3908	3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe	3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe
PID 1544 set thread context of 3468	1544	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

3540 schtasks.exe
3320 schtasks.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

912 timeout.exe

pid	process
3540	schtasks.exe
3320	schtasks.exe

pid	process
912	timeout.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exebuild2.exe

pid	process
5032	3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe
5032	3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe
4192	3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe
4192	3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe
3468	build2.exe
3468	build2.exe

Suspicious use of WriteProcessMemory 53 IoCs

Processes:

3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exebuild2.exebuild3.exebuild2.execmd.exemstsca.exe

description	pid	process	target process
PID 4092 wrote to memory of 5032	4092	3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe	3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe
PID 4092 wrote to memory of 5032	4092	3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe	3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe
PID 4092 wrote to memory of 5032	4092	3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe	3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe
PID 4092 wrote to memory of 5032	4092	3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe	3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe
PID 4092 wrote to memory of 5032	4092	3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe	3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe
PID 4092 wrote to memory of 5032	4092	3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe	3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe
PID 4092 wrote to memory of 5032	4092	3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe	3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe
PID 4092 wrote to memory of 5032	4092	3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe	3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe
PID 4092 wrote to memory of 5032	4092	3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe	3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe
PID 4092 wrote to memory of 5032	4092	3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe	3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe
PID 5032 wrote to memory of 4156	5032	3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe	icacls.exe
PID 5032 wrote to memory of 4156	5032	3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe	icacls.exe
PID 5032 wrote to memory of 4156	5032	3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe	icacls.exe
PID 5032 wrote to memory of 3908	5032	3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe	3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe
PID 5032 wrote to memory of 3908	5032	3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe	3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe
PID 5032 wrote to memory of 3908	5032	3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe	3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe
PID 3908 wrote to memory of 4192	3908	3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe	3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe
PID 3908 wrote to memory of 4192	3908	3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe	3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe
PID 3908 wrote to memory of 4192	3908	3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe	3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe
PID 3908 wrote to memory of 4192	3908	3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe	3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe
PID 3908 wrote to memory of 4192	3908	3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe	3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe
PID 3908 wrote to memory of 4192	3908	3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe	3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe
PID 3908 wrote to memory of 4192	3908	3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe	3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe
PID 3908 wrote to memory of 4192	3908	3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe	3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe
PID 3908 wrote to memory of 4192	3908	3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe	3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe
PID 3908 wrote to memory of 4192	3908	3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe	3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe
PID 4192 wrote to memory of 1544	4192	3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe	build2.exe
PID 4192 wrote to memory of 1544	4192	3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe	build2.exe
PID 4192 wrote to memory of 1544	4192	3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe	build2.exe
PID 1544 wrote to memory of 3468	1544	build2.exe	build2.exe
PID 1544 wrote to memory of 3468	1544	build2.exe	build2.exe
PID 1544 wrote to memory of 3468	1544	build2.exe	build2.exe
PID 1544 wrote to memory of 3468	1544	build2.exe	build2.exe
PID 1544 wrote to memory of 3468	1544	build2.exe	build2.exe
PID 1544 wrote to memory of 3468	1544	build2.exe	build2.exe
PID 1544 wrote to memory of 3468	1544	build2.exe	build2.exe
PID 1544 wrote to memory of 3468	1544	build2.exe	build2.exe
PID 1544 wrote to memory of 3468	1544	build2.exe	build2.exe
PID 4192 wrote to memory of 4916	4192	3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe	build3.exe
PID 4192 wrote to memory of 4916	4192	3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe	build3.exe
PID 4192 wrote to memory of 4916	4192	3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe	build3.exe
PID 4916 wrote to memory of 3540	4916	build3.exe	schtasks.exe
PID 4916 wrote to memory of 3540	4916	build3.exe	schtasks.exe
PID 4916 wrote to memory of 3540	4916	build3.exe	schtasks.exe
PID 3468 wrote to memory of 5092	3468	build2.exe	cmd.exe
PID 3468 wrote to memory of 5092	3468	build2.exe	cmd.exe
PID 3468 wrote to memory of 5092	3468	build2.exe	cmd.exe
PID 5092 wrote to memory of 912	5092	cmd.exe	timeout.exe
PID 5092 wrote to memory of 912	5092	cmd.exe	timeout.exe
PID 5092 wrote to memory of 912	5092	cmd.exe	timeout.exe
PID 1092 wrote to memory of 3320	1092	mstsca.exe	schtasks.exe
PID 1092 wrote to memory of 3320	1092	mstsca.exe	schtasks.exe
PID 1092 wrote to memory of 3320	1092	mstsca.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe
"C:\Users\Admin\AppData\Local\Temp\3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4092

C:\Users\Admin\AppData\Local\Temp\3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe
"C:\Users\Admin\AppData\Local\Temp\3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:5032

C:\Windows\SysWOW64\icacls.exe
icacls "C:\Users\Admin\AppData\Local\a1511f8b-014d-4c9b-ac68-d66cc6827fbe" /deny *S-1-1-0:(OI)(CI)(DE,DC)
3⤵
- Modifies file permissions
PID:4156

C:\Users\Admin\AppData\Local\Temp\3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe
"C:\Users\Admin\AppData\Local\Temp\3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe" --Admin IsNotAutoStart IsNotTask
3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3908

C:\Users\Admin\AppData\Local\Temp\3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe
"C:\Users\Admin\AppData\Local\Temp\3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe" --Admin IsNotAutoStart IsNotTask
4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4192

C:\Users\Admin\AppData\Local\2fc2cc8b-7247-4887-9ed4-9192d9805625\build2.exe
"C:\Users\Admin\AppData\Local\2fc2cc8b-7247-4887-9ed4-9192d9805625\build2.exe"
5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1544

C:\Users\Admin\AppData\Local\2fc2cc8b-7247-4887-9ed4-9192d9805625\build2.exe
"C:\Users\Admin\AppData\Local\2fc2cc8b-7247-4887-9ed4-9192d9805625\build2.exe"
6⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3468

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\2fc2cc8b-7247-4887-9ed4-9192d9805625\build2.exe" & exit
7⤵
- Suspicious use of WriteProcessMemory
PID:5092

C:\Windows\SysWOW64\timeout.exe
timeout /t 6
8⤵
- Delays execution with timeout.exe
PID:912

C:\Users\Admin\AppData\Local\2fc2cc8b-7247-4887-9ed4-9192d9805625\build3.exe
"C:\Users\Admin\AppData\Local\2fc2cc8b-7247-4887-9ed4-9192d9805625\build3.exe"
5⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4916

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:3540

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:1092

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:3320

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
ef70f541afd8a3bcf74dcbda6348ba00

SHA1
b82e209cc8a929b4f025134eec5600c427414c4a

SHA256
c28b9cd1958f78b29a85a5f954df55edae7dfaa767cc716f225dbbbeb8b18b55

SHA512
1312c9c8ed685058c27af8d6f624659432e85a21cadfc1bd1aeaa0e8c25abf7a51b562d49d496e927e251814b24d81ba756c1095725da21967ee625c94add748

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

MD5
e3f15ae0e792c00c920157b8caf47ccb

SHA1
cf3f9a900808117c5843a6fea8e2ae37c1a8aaa4

SHA256
18e8df909db95fc2c4504e0a00dfe81cf5dbcfb75354ecac719df43faf8e9d31

SHA512
6f9f6f754580985725adca3109ddfd3ca86b0261837c0e3dd4c4dd5d277c9c16381e7d90429aabb18581e2c57e3c9177b724296309e22d788f2e2d03d08a1af8

Download Submit
C:\Users\Admin\AppData\Local\2fc2cc8b-7247-4887-9ed4-9192d9805625\build2.exe
Filesize
416KB

MD5
aa18968e6cfbdc382ada6a3ed2852085

SHA1
4a41fa1a182916d5790aa2071106b3441d64468d

SHA256
c165c8db38ef8dd8c33d103b5ee78e9ddafd8081ff0c7c035fa5251f970e6cfb

SHA512
8ffdacca2b003438fd4874e7c88beedb6ad8cf9cd5b36fda5907751e06a85a829e7d9ce7335fb59590462f78054722bccba511b21db838368c661d993000a845

Download Submit
C:\Users\Admin\AppData\Local\2fc2cc8b-7247-4887-9ed4-9192d9805625\build2.exe
Filesize
416KB

MD5
aa18968e6cfbdc382ada6a3ed2852085

SHA1
4a41fa1a182916d5790aa2071106b3441d64468d

SHA256
c165c8db38ef8dd8c33d103b5ee78e9ddafd8081ff0c7c035fa5251f970e6cfb

SHA512
8ffdacca2b003438fd4874e7c88beedb6ad8cf9cd5b36fda5907751e06a85a829e7d9ce7335fb59590462f78054722bccba511b21db838368c661d993000a845

Download Submit
C:\Users\Admin\AppData\Local\2fc2cc8b-7247-4887-9ed4-9192d9805625\build2.exe
Filesize
416KB

MD5
aa18968e6cfbdc382ada6a3ed2852085

SHA1
4a41fa1a182916d5790aa2071106b3441d64468d

SHA256
c165c8db38ef8dd8c33d103b5ee78e9ddafd8081ff0c7c035fa5251f970e6cfb

SHA512
8ffdacca2b003438fd4874e7c88beedb6ad8cf9cd5b36fda5907751e06a85a829e7d9ce7335fb59590462f78054722bccba511b21db838368c661d993000a845

Download Submit
C:\Users\Admin\AppData\Local\2fc2cc8b-7247-4887-9ed4-9192d9805625\build3.exe
Filesize
9KB

MD5
9ead10c08e72ae41921191f8db39bc16

SHA1
abe3bce01cd34afc88e2c838173f8c2bd0090ae1

SHA256
8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

SHA512
aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

Download Submit
C:\Users\Admin\AppData\Local\2fc2cc8b-7247-4887-9ed4-9192d9805625\build3.exe
Filesize
9KB

MD5
9ead10c08e72ae41921191f8db39bc16

SHA1
abe3bce01cd34afc88e2c838173f8c2bd0090ae1

SHA256
8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

SHA512
aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

Download Submit
C:\Users\Admin\AppData\Local\a1511f8b-014d-4c9b-ac68-d66cc6827fbe\3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe
Filesize
694KB

MD5
5b1538e7d9f6a659292cb7c21e53249c

SHA1
3940f99a47e68a17266fcdbe1de5a453a7da697b

SHA256
3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a

SHA512
a8f583e9e74d4733333783ecfcb8943504f81a43cd78dd32c80200707bd4a0f82385386ce0930902e5dfe8db7e4f19b62c14a06ecf155cfa77a7afb18eee9d20

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/1544-166-0x00000000047F0000-0x0000000004847000-memory.dmp

Filesize
348KB

Download
memory/3468-188-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/3468-242-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/3468-168-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/3468-167-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/3468-163-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/3468-243-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/3468-244-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/3468-165-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/4092-121-0x00000000023E0000-0x00000000024FB000-memory.dmp

Filesize
1.1MB

Download
memory/4192-138-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4192-146-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4192-154-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4192-174-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4192-152-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4192-153-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4192-150-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4192-139-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4192-145-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4192-140-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/5032-122-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/5032-123-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/5032-120-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/5032-134-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/5032-119-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download