djvu | 42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
28-03-2023 14:59

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General

Target

42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe
Size

804KB
MD5

55777ad94fca02be7932d56b11c6d2d2
SHA1

b70e92b9faa87535019c2ed64a5a4bc9a049a64a
SHA256

42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019
SHA512

10d956e8bdb24113347adb3e2e828038830cd2a18680a7865c6f770842c652e43a8b78af8d761d74c41df7f10885b579bb84eb5a0a39187a9e011a962dd259cd
SSDEEP

24576:MKFiEh79rH63U039EuZiGCaDtDHvrM9Gw:MKNh79ra3R39EuZiEDtrv8

Score

10^/10

djvu vidar 5df88deb5dde677ba658b77ad5f60248 discovery persistence ransomware spyware stealer

Malware Config

Extracted

Family

djvu

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

Attributes

extension
.jyos
offline_id
MEMHlobHgXqvmTWaMsLcwGZhDOd00bblO1yevst1
payload_url
http://uaery.top/dl/build2.exe
http://zexeq.com/files/1/build3.exe
ransomnote
ATTENTION! Don't worry, you can return all your files! All your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. You can get and look video overview decrypt tool: https://we.tl/t-fkW8qLaCVQ Price of private key and decrypt software is $980. Discount 50% available if you contact us first 72 hours, that's price for you is $490. Please note that you'll never restore your data without payment. Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: support@freshmail.top Reserve e-mail address to contact us: datarestorehelp@airmail.cc Your personal ID: 0677JOsie

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/3860-134-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3860-135-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/756-136-0x0000000004A30000-0x0000000004B4B000-memory.dmp	family_djvu
behavioral1/memory/3860-137-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3860-138-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3860-147-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/452-151-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/452-152-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/452-157-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/452-159-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/452-158-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/452-264-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/452-266-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/452-267-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/452-276-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/452-281-0x0000000000400000-0x0000000000537000-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:

42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Control Panel\International\Geo\Nation	42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Control Panel\International\Geo\Nation	42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe

Executes dropped EXE 4 IoCs

Processes:

build2.exebuild2.exebuild3.exemstsca.exe

pid process

4064 build2.exe
2980 build2.exe
3268 build3.exe
404 mstsca.exe
Loads dropped DLL 2 IoCs

Processes:

build2.exe

pid process

2980 build2.exe
2980 build2.exe
Modifies file permissions 1 TTPs 1 IoCs
discovery

File Permissions Modification
T1222

Processes:

icacls.exe

pid process

4168 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
4064	build2.exe
2980	build2.exe
3268	build3.exe
404	mstsca.exe

pid	process
2980	build2.exe
2980	build2.exe

pid	process
4168	icacls.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\5e535757-ce16-47bc-b311-d798b5030b7a\\42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe\" --AutoStart"	42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.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

20 api.2ip.ua
41 api.2ip.ua
18 api.2ip.ua

flow	ioc
20	api.2ip.ua
41	api.2ip.ua
18	api.2ip.ua

Suspicious use of SetThreadContext 3 IoCs

Processes:

42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exebuild2.exe

description	pid	process	target process
PID 756 set thread context of 3860	756	42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe	42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe
PID 3960 set thread context of 452	3960	42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe	42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe
PID 4064 set thread context of 2980	4064	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

3328 2980 WerFault.exe build2.exe

pid	pid_target	process	target process
3328	2980	WerFault.exe	build2.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

build2.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	build2.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	build2.exe

Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exe

pid process

4884 schtasks.exe
3964 schtasks.exe

pid	process
4884	schtasks.exe
3964	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exebuild2.exe

pid	process
3860	42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe
3860	42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe
452	42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe
452	42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe
2980	build2.exe
2980	build2.exe

Suspicious use of WriteProcessMemory 47 IoCs

Processes:

42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exebuild2.exebuild3.exemstsca.exe

description	pid	process	target process
PID 756 wrote to memory of 3860	756	42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe	42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe
PID 756 wrote to memory of 3860	756	42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe	42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe
PID 756 wrote to memory of 3860	756	42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe	42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe
PID 756 wrote to memory of 3860	756	42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe	42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe
PID 756 wrote to memory of 3860	756	42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe	42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe
PID 756 wrote to memory of 3860	756	42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe	42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe
PID 756 wrote to memory of 3860	756	42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe	42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe
PID 756 wrote to memory of 3860	756	42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe	42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe
PID 756 wrote to memory of 3860	756	42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe	42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe
PID 756 wrote to memory of 3860	756	42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe	42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe
PID 3860 wrote to memory of 4168	3860	42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe	icacls.exe
PID 3860 wrote to memory of 4168	3860	42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe	icacls.exe
PID 3860 wrote to memory of 4168	3860	42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe	icacls.exe
PID 3860 wrote to memory of 3960	3860	42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe	42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe
PID 3860 wrote to memory of 3960	3860	42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe	42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe
PID 3860 wrote to memory of 3960	3860	42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe	42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe
PID 3960 wrote to memory of 452	3960	42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe	42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe
PID 3960 wrote to memory of 452	3960	42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe	42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe
PID 3960 wrote to memory of 452	3960	42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe	42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe
PID 3960 wrote to memory of 452	3960	42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe	42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe
PID 3960 wrote to memory of 452	3960	42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe	42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe
PID 3960 wrote to memory of 452	3960	42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe	42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe
PID 3960 wrote to memory of 452	3960	42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe	42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe
PID 3960 wrote to memory of 452	3960	42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe	42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe
PID 3960 wrote to memory of 452	3960	42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe	42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe
PID 3960 wrote to memory of 452	3960	42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe	42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe
PID 452 wrote to memory of 4064	452	42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe	build2.exe
PID 452 wrote to memory of 4064	452	42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe	build2.exe
PID 452 wrote to memory of 4064	452	42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe	build2.exe
PID 4064 wrote to memory of 2980	4064	build2.exe	build2.exe
PID 4064 wrote to memory of 2980	4064	build2.exe	build2.exe
PID 4064 wrote to memory of 2980	4064	build2.exe	build2.exe
PID 4064 wrote to memory of 2980	4064	build2.exe	build2.exe
PID 4064 wrote to memory of 2980	4064	build2.exe	build2.exe
PID 4064 wrote to memory of 2980	4064	build2.exe	build2.exe
PID 4064 wrote to memory of 2980	4064	build2.exe	build2.exe
PID 4064 wrote to memory of 2980	4064	build2.exe	build2.exe
PID 4064 wrote to memory of 2980	4064	build2.exe	build2.exe
PID 452 wrote to memory of 3268	452	42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe	build3.exe
PID 452 wrote to memory of 3268	452	42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe	build3.exe
PID 452 wrote to memory of 3268	452	42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe	build3.exe
PID 3268 wrote to memory of 4884	3268	build3.exe	schtasks.exe
PID 3268 wrote to memory of 4884	3268	build3.exe	schtasks.exe
PID 3268 wrote to memory of 4884	3268	build3.exe	schtasks.exe
PID 404 wrote to memory of 3964	404	mstsca.exe	schtasks.exe
PID 404 wrote to memory of 3964	404	mstsca.exe	schtasks.exe
PID 404 wrote to memory of 3964	404	mstsca.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe
"C:\Users\Admin\AppData\Local\Temp\42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:756

C:\Users\Admin\AppData\Local\Temp\42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe
"C:\Users\Admin\AppData\Local\Temp\42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe"
2⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3860

C:\Windows\SysWOW64\icacls.exe
icacls "C:\Users\Admin\AppData\Local\5e535757-ce16-47bc-b311-d798b5030b7a" /deny *S-1-1-0:(OI)(CI)(DE,DC)
3⤵
- Modifies file permissions
PID:4168

C:\Users\Admin\AppData\Local\Temp\42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe
"C:\Users\Admin\AppData\Local\Temp\42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe" --Admin IsNotAutoStart IsNotTask
3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3960

C:\Users\Admin\AppData\Local\Temp\42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe
"C:\Users\Admin\AppData\Local\Temp\42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe" --Admin IsNotAutoStart IsNotTask
4⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:452

C:\Users\Admin\AppData\Local\99f8644b-4be9-459d-b6b2-f46c4e073867\build2.exe
"C:\Users\Admin\AppData\Local\99f8644b-4be9-459d-b6b2-f46c4e073867\build2.exe"
5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4064

C:\Users\Admin\AppData\Local\99f8644b-4be9-459d-b6b2-f46c4e073867\build2.exe
"C:\Users\Admin\AppData\Local\99f8644b-4be9-459d-b6b2-f46c4e073867\build2.exe"
6⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:2980

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2980 -s 1880
7⤵
- Program crash
PID:3328

C:\Users\Admin\AppData\Local\99f8644b-4be9-459d-b6b2-f46c4e073867\build3.exe
"C:\Users\Admin\AppData\Local\99f8644b-4be9-459d-b6b2-f46c4e073867\build3.exe"
5⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3268

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:4884

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2980 -ip 2980
1⤵
PID:848

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:404

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:3964

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

File Permissions Modification

T1222

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\ProgramData\mozglue.dll
Filesize
593KB

MD5
c8fd9be83bc728cc04beffafc2907fe9

SHA1
95ab9f701e0024cedfbd312bcfe4e726744c4f2e

SHA256
ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

SHA512
fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

Download Submit
C:\ProgramData\nss3.dll
Filesize
2.0MB

MD5
1cc453cdf74f31e4d913ff9c10acdde2

SHA1
6e85eae544d6e965f15fa5c39700fa7202f3aafe

SHA256
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

SHA512
dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

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

MD5
e5b1cc0ae5af6a8277d75cff4af2c5e8

SHA1
4768fff3d4bbe02f89683b4a0e7b15b24b54eb9f

SHA256
d950c0d748aae641d71b11cd1c519b289917c23bee1a2b6bc5c496fd8e5d4655

SHA512
57a4737deeefac0124d73b52525993fecbbebd21a556ece87f8e79e845e07f037abb5e49f7458e8a010935c6691f18fbb913d77ecfb2ba902067788c483ec3d7

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

MD5
3adac03b181d7980568dda0da0efc9de

SHA1
a283c4c9bd26a65b8240d21708e57f5946778341

SHA256
24c4973ced938b77d9670ac79eb76cd52411b17ab59ec78ba14c1b433f342933

SHA512
6fbd2a32fc18606628ea56311764cd879a1196405dddd4d269ad6163b2ffdcf916786f1c0328f27ec089be5cb9b4ecb3542363f4dfb3df1c1b91a0e038b67241

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

MD5
23daac5c5ec2685be08853526aee5aa0

SHA1
871b8a811675f2b3b7d06280b57a8763faacbfc8

SHA256
18b93a89c3286cbe07dce3686d535a7890f72223dd3ad370212ef71f9a04f3cd

SHA512
7fa6895c035e08c22e972b6b9a528f0cf1ee78e769dcdb952b07f1522fd8850869613c053dab97c050b73b6d073757a2142c64fd65350c9518072cf7760daa7b

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

MD5
c1698d503fdcc911b7f77bdb8526e6a3

SHA1
ce2b5d5dd3b3b66849cd38e94b00a463cb93dcd8

SHA256
11da00234c46bf8d42fa44235178b1fe893c6cb47bfd65070763b4a617520ef2

SHA512
2d86e840e792049df9320269fc92f04ffb9852e6bb3754050fb759fdba816997bbbc31ea662c0ec1e3b01b3f3e31ea5d3ed79f007341adf4be5211eaa0bd2253

Download Submit
C:\Users\Admin\AppData\Local\5e535757-ce16-47bc-b311-d798b5030b7a\42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019.exe
Filesize
804KB

MD5
55777ad94fca02be7932d56b11c6d2d2

SHA1
b70e92b9faa87535019c2ed64a5a4bc9a049a64a

SHA256
42ee24ecd479d15ebbf70a9a9ebf6819f18e67836dfeb924de304389bef0f019

SHA512
10d956e8bdb24113347adb3e2e828038830cd2a18680a7865c6f770842c652e43a8b78af8d761d74c41df7f10885b579bb84eb5a0a39187a9e011a962dd259cd

Download Submit
C:\Users\Admin\AppData\Local\99f8644b-4be9-459d-b6b2-f46c4e073867\build2.exe
Filesize
416KB

MD5
aa18968e6cfbdc382ada6a3ed2852085

SHA1
4a41fa1a182916d5790aa2071106b3441d64468d

SHA256
c165c8db38ef8dd8c33d103b5ee78e9ddafd8081ff0c7c035fa5251f970e6cfb

SHA512
8ffdacca2b003438fd4874e7c88beedb6ad8cf9cd5b36fda5907751e06a85a829e7d9ce7335fb59590462f78054722bccba511b21db838368c661d993000a845

Download Submit
C:\Users\Admin\AppData\Local\99f8644b-4be9-459d-b6b2-f46c4e073867\build2.exe
Filesize
416KB

MD5
aa18968e6cfbdc382ada6a3ed2852085

SHA1
4a41fa1a182916d5790aa2071106b3441d64468d

SHA256
c165c8db38ef8dd8c33d103b5ee78e9ddafd8081ff0c7c035fa5251f970e6cfb

SHA512
8ffdacca2b003438fd4874e7c88beedb6ad8cf9cd5b36fda5907751e06a85a829e7d9ce7335fb59590462f78054722bccba511b21db838368c661d993000a845

Download Submit
C:\Users\Admin\AppData\Local\99f8644b-4be9-459d-b6b2-f46c4e073867\build2.exe
Filesize
416KB

MD5
aa18968e6cfbdc382ada6a3ed2852085

SHA1
4a41fa1a182916d5790aa2071106b3441d64468d

SHA256
c165c8db38ef8dd8c33d103b5ee78e9ddafd8081ff0c7c035fa5251f970e6cfb

SHA512
8ffdacca2b003438fd4874e7c88beedb6ad8cf9cd5b36fda5907751e06a85a829e7d9ce7335fb59590462f78054722bccba511b21db838368c661d993000a845

Download Submit
C:\Users\Admin\AppData\Local\99f8644b-4be9-459d-b6b2-f46c4e073867\build2.exe
Filesize
416KB

MD5
aa18968e6cfbdc382ada6a3ed2852085

SHA1
4a41fa1a182916d5790aa2071106b3441d64468d

SHA256
c165c8db38ef8dd8c33d103b5ee78e9ddafd8081ff0c7c035fa5251f970e6cfb

SHA512
8ffdacca2b003438fd4874e7c88beedb6ad8cf9cd5b36fda5907751e06a85a829e7d9ce7335fb59590462f78054722bccba511b21db838368c661d993000a845

Download Submit
C:\Users\Admin\AppData\Local\99f8644b-4be9-459d-b6b2-f46c4e073867\build3.exe
Filesize
9KB

MD5
9ead10c08e72ae41921191f8db39bc16

SHA1
abe3bce01cd34afc88e2c838173f8c2bd0090ae1

SHA256
8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

SHA512
aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

Download Submit
C:\Users\Admin\AppData\Local\99f8644b-4be9-459d-b6b2-f46c4e073867\build3.exe
Filesize
9KB

MD5
9ead10c08e72ae41921191f8db39bc16

SHA1
abe3bce01cd34afc88e2c838173f8c2bd0090ae1

SHA256
8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

SHA512
aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

Download Submit
C:\Users\Admin\AppData\Local\99f8644b-4be9-459d-b6b2-f46c4e073867\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/452-267-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/452-281-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/452-158-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/452-276-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/452-159-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/452-152-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/452-157-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/452-266-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/452-264-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/452-151-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/756-136-0x0000000004A30000-0x0000000004B4B000-memory.dmp

Filesize
1.1MB

Download
memory/2980-173-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/2980-171-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/2980-256-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/2980-257-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/2980-258-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/2980-186-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/2980-176-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/2980-254-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/2980-175-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/3860-134-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3860-147-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3860-138-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3860-137-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3860-135-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4064-174-0x00000000047E0000-0x0000000004837000-memory.dmp

Filesize
348KB

Download