djvu | b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c

Analysis

max time kernel
145s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20230221-en
resource tags

arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
submitted
03-04-2023 12:33

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General

Target

b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe
Size

694KB
MD5

258a8d8f4e8810d4eb840b836d9c26d0
SHA1

d22540ae61a84ddb8a9be04ac678036c61c4e941
SHA256

b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c
SHA512

bff35de3e86edc6a86b7264b92a4e23dc03f8fbfd045fc837fee6eb53c25fb4bb706c5731106ce3648d48a9a8a042e9eff3cbff57fc9a383bad3da33fb36fe7a
SSDEEP

12288:pGnWgHtWVFRcT3/YoBzOos9OSbfQOdKc6FqFfAMdsvFCcBm:pGnW6QVFJa5XEKcwoIMdgFCcB

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 17 IoCs

Processes:

resource	yara_rule
behavioral1/memory/3320-134-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2372-136-0x0000000002240000-0x000000000235B000-memory.dmp	family_djvu
behavioral1/memory/3320-135-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3320-137-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3320-138-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3320-148-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3324-151-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3324-152-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3324-157-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3324-158-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3324-159-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3324-265-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3324-275-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3324-277-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3324-278-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3324-279-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3324-283-0x0000000000400000-0x0000000000537000-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:

b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exeb4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Control Panel\International\Geo\Nation	b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Control Panel\International\Geo\Nation	b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe

Executes dropped EXE 4 IoCs

Processes:

build2.exebuild2.exebuild3.exemstsca.exe

pid process

3728 build2.exe
4396 build2.exe
1100 build3.exe
1836 mstsca.exe
Loads dropped DLL 2 IoCs

Processes:

build2.exe

pid process

4396 build2.exe
4396 build2.exe
Modifies file permissions 1 TTPs 1 IoCs
discovery

File and Directory Permissions Modification
T1222

Processes:

icacls.exe

pid process

4024 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
3728	build2.exe
4396	build2.exe
1100	build3.exe
1836	mstsca.exe

pid	process
4396	build2.exe
4396	build2.exe

pid	process
4024	icacls.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\45e2712f-7766-47ef-88c8-d4db2c53e763\\b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe\" --AutoStart"	b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.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
6 api.2ip.ua
7 api.2ip.ua

flow	ioc
20	api.2ip.ua
6	api.2ip.ua
7	api.2ip.ua

Suspicious use of SetThreadContext 3 IoCs

Processes:

b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exeb4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exebuild2.exe

description	pid	process	target process
PID 2372 set thread context of 3320	2372	b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe	b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe
PID 1096 set thread context of 3324	1096	b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe	b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe
PID 3728 set thread context of 4396	3728	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

4672 4396 WerFault.exe build2.exe

pid	pid_target	process	target process
4672	4396	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

616 schtasks.exe
4192 schtasks.exe

pid	process
616	schtasks.exe
4192	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exeb4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exebuild2.exe

pid	process
3320	b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe
3320	b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe
3324	b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe
3324	b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe
4396	build2.exe
4396	build2.exe

Suspicious use of WriteProcessMemory 47 IoCs

Processes:

b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exeb4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exeb4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exeb4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exebuild2.exebuild3.exemstsca.exe

description	pid	process	target process
PID 2372 wrote to memory of 3320	2372	b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe	b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe
PID 2372 wrote to memory of 3320	2372	b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe	b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe
PID 2372 wrote to memory of 3320	2372	b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe	b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe
PID 2372 wrote to memory of 3320	2372	b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe	b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe
PID 2372 wrote to memory of 3320	2372	b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe	b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe
PID 2372 wrote to memory of 3320	2372	b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe	b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe
PID 2372 wrote to memory of 3320	2372	b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe	b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe
PID 2372 wrote to memory of 3320	2372	b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe	b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe
PID 2372 wrote to memory of 3320	2372	b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe	b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe
PID 2372 wrote to memory of 3320	2372	b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe	b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe
PID 3320 wrote to memory of 4024	3320	b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe	icacls.exe
PID 3320 wrote to memory of 4024	3320	b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe	icacls.exe
PID 3320 wrote to memory of 4024	3320	b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe	icacls.exe
PID 3320 wrote to memory of 1096	3320	b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe	b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe
PID 3320 wrote to memory of 1096	3320	b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe	b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe
PID 3320 wrote to memory of 1096	3320	b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe	b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe
PID 1096 wrote to memory of 3324	1096	b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe	b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe
PID 1096 wrote to memory of 3324	1096	b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe	b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe
PID 1096 wrote to memory of 3324	1096	b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe	b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe
PID 1096 wrote to memory of 3324	1096	b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe	b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe
PID 1096 wrote to memory of 3324	1096	b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe	b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe
PID 1096 wrote to memory of 3324	1096	b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe	b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe
PID 1096 wrote to memory of 3324	1096	b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe	b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe
PID 1096 wrote to memory of 3324	1096	b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe	b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe
PID 1096 wrote to memory of 3324	1096	b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe	b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe
PID 1096 wrote to memory of 3324	1096	b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe	b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe
PID 3324 wrote to memory of 3728	3324	b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe	build2.exe
PID 3324 wrote to memory of 3728	3324	b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe	build2.exe
PID 3324 wrote to memory of 3728	3324	b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe	build2.exe
PID 3728 wrote to memory of 4396	3728	build2.exe	build2.exe
PID 3728 wrote to memory of 4396	3728	build2.exe	build2.exe
PID 3728 wrote to memory of 4396	3728	build2.exe	build2.exe
PID 3728 wrote to memory of 4396	3728	build2.exe	build2.exe
PID 3728 wrote to memory of 4396	3728	build2.exe	build2.exe
PID 3728 wrote to memory of 4396	3728	build2.exe	build2.exe
PID 3728 wrote to memory of 4396	3728	build2.exe	build2.exe
PID 3728 wrote to memory of 4396	3728	build2.exe	build2.exe
PID 3728 wrote to memory of 4396	3728	build2.exe	build2.exe
PID 3324 wrote to memory of 1100	3324	b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe	build3.exe
PID 3324 wrote to memory of 1100	3324	b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe	build3.exe
PID 3324 wrote to memory of 1100	3324	b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe	build3.exe
PID 1100 wrote to memory of 616	1100	build3.exe	schtasks.exe
PID 1100 wrote to memory of 616	1100	build3.exe	schtasks.exe
PID 1100 wrote to memory of 616	1100	build3.exe	schtasks.exe
PID 1836 wrote to memory of 4192	1836	mstsca.exe	schtasks.exe
PID 1836 wrote to memory of 4192	1836	mstsca.exe	schtasks.exe
PID 1836 wrote to memory of 4192	1836	mstsca.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe
"C:\Users\Admin\AppData\Local\Temp\b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2372

C:\Users\Admin\AppData\Local\Temp\b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe
"C:\Users\Admin\AppData\Local\Temp\b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe"
2⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3320

C:\Windows\SysWOW64\icacls.exe
icacls "C:\Users\Admin\AppData\Local\45e2712f-7766-47ef-88c8-d4db2c53e763" /deny *S-1-1-0:(OI)(CI)(DE,DC)
3⤵
- Modifies file permissions
PID:4024

C:\Users\Admin\AppData\Local\Temp\b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe
"C:\Users\Admin\AppData\Local\Temp\b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe" --Admin IsNotAutoStart IsNotTask
3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1096

C:\Users\Admin\AppData\Local\Temp\b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe
"C:\Users\Admin\AppData\Local\Temp\b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe" --Admin IsNotAutoStart IsNotTask
4⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3324

C:\Users\Admin\AppData\Local\fb53c41a-6e6a-42d6-839f-c6285e0f739d\build2.exe
"C:\Users\Admin\AppData\Local\fb53c41a-6e6a-42d6-839f-c6285e0f739d\build2.exe"
5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3728

C:\Users\Admin\AppData\Local\fb53c41a-6e6a-42d6-839f-c6285e0f739d\build2.exe
"C:\Users\Admin\AppData\Local\fb53c41a-6e6a-42d6-839f-c6285e0f739d\build2.exe"
6⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4396

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4396 -s 984
7⤵
- Program crash
PID:4672

C:\Users\Admin\AppData\Local\fb53c41a-6e6a-42d6-839f-c6285e0f739d\build3.exe
"C:\Users\Admin\AppData\Local\fb53c41a-6e6a-42d6-839f-c6285e0f739d\build3.exe"
5⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1100

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:616

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4396 -ip 4396
1⤵
PID:4948

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:1836

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:4192

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

File and Directory Permissions Modification

T1222

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\mozglue.dll

Filesize
593KB

MD5
c8fd9be83bc728cc04beffafc2907fe9

SHA1
95ab9f701e0024cedfbd312bcfe4e726744c4f2e

SHA256
ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

SHA512
fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

Download Submit
C:\ProgramData\nss3.dll

Filesize
2.0MB

MD5
1cc453cdf74f31e4d913ff9c10acdde2

SHA1
6e85eae544d6e965f15fa5c39700fa7202f3aafe

SHA256
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

SHA512
dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

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

Filesize
2KB

MD5
b636591fc66c9d2a1a425dd29939147f

SHA1
0d48b7a8df06ce304c8a8b1c1dae5912c6b666f4

SHA256
95c629cd39afdd4a9e98a94b6ea6a85c3e692c27c77d963899177b55948b72d1

SHA512
e6be6c7ec5a010a3a3509a567891a0f338bf19e84649f5240e7e500cfc87c752cb28ca6a54aa93d896f4cdf2eac46775bf1165b0085eab23176b237d1bd9ad31

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

Filesize
1KB

MD5
a8c5ec082ddbfa706307d295f25ae6fa

SHA1
9d59be752069e201236a1edec3c3b374afc1b382

SHA256
c6e194e6a673e59490dfe69c0ea81bff16de4cb1b9b82408dc2738ec7efe488c

SHA512
80441dd81f5edc564f50c550a2b93db1bcf7d809811f8df43896d4d3d85c4bda95e735e67f82edf951f2601c84119f8a0769df3643ec777172f1134132ec6dd8

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

Filesize
488B

MD5
32e82d68cf9d88af61168b0ab953ae37

SHA1
40dbbc0e54f2fba8cbe18f24d43e5d8c43c51ae2

SHA256
9424143ea4ee08a8fc806e1d56e1f79a21d95d335d033af1aea592c324084836

SHA512
409443a6431c63457c6d8b73e1a4ccb9d5b0777db06118e9d0b4650d95d9025b210785188820180f492279712019cbfc5d76ec91962436fa14fcfac60e09ef6c

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

Filesize
482B

MD5
e0e6ffd2bcdf568a7027b2971a1c7df2

SHA1
e25bdc310b416f448df781a1f6424d7609e7c0d4

SHA256
252406382b1b2ff271ecd7e098e076d90c2dd4dd3e8a04eba70deaa18f3cbfa3

SHA512
d81d3ac075a2d66547eab955285782902143618359e9ea6f5931b32a309df4b3b2ee5d75afe01282a9a00d6da5322a2da561d110c0a8f1dde6bf57e04f3ea877

Download Submit
C:\Users\Admin\AppData\Local\45e2712f-7766-47ef-88c8-d4db2c53e763\b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c.exe

Filesize
694KB

MD5
258a8d8f4e8810d4eb840b836d9c26d0

SHA1
d22540ae61a84ddb8a9be04ac678036c61c4e941

SHA256
b4f3b0bbdecc0a07cf5cd53bea1289d7655a331e99b7b2a11f93fa651ad4793c

SHA512
bff35de3e86edc6a86b7264b92a4e23dc03f8fbfd045fc837fee6eb53c25fb4bb706c5731106ce3648d48a9a8a042e9eff3cbff57fc9a383bad3da33fb36fe7a

Download Submit
C:\Users\Admin\AppData\Local\fb53c41a-6e6a-42d6-839f-c6285e0f739d\build2.exe

Filesize
416KB

MD5
aa18968e6cfbdc382ada6a3ed2852085

SHA1
4a41fa1a182916d5790aa2071106b3441d64468d

SHA256
c165c8db38ef8dd8c33d103b5ee78e9ddafd8081ff0c7c035fa5251f970e6cfb

SHA512
8ffdacca2b003438fd4874e7c88beedb6ad8cf9cd5b36fda5907751e06a85a829e7d9ce7335fb59590462f78054722bccba511b21db838368c661d993000a845

Download Submit
C:\Users\Admin\AppData\Local\fb53c41a-6e6a-42d6-839f-c6285e0f739d\build2.exe

Filesize
416KB

MD5
aa18968e6cfbdc382ada6a3ed2852085

SHA1
4a41fa1a182916d5790aa2071106b3441d64468d

SHA256
c165c8db38ef8dd8c33d103b5ee78e9ddafd8081ff0c7c035fa5251f970e6cfb

SHA512
8ffdacca2b003438fd4874e7c88beedb6ad8cf9cd5b36fda5907751e06a85a829e7d9ce7335fb59590462f78054722bccba511b21db838368c661d993000a845

Download Submit
C:\Users\Admin\AppData\Local\fb53c41a-6e6a-42d6-839f-c6285e0f739d\build2.exe

Filesize
416KB

MD5
aa18968e6cfbdc382ada6a3ed2852085

SHA1
4a41fa1a182916d5790aa2071106b3441d64468d

SHA256
c165c8db38ef8dd8c33d103b5ee78e9ddafd8081ff0c7c035fa5251f970e6cfb

SHA512
8ffdacca2b003438fd4874e7c88beedb6ad8cf9cd5b36fda5907751e06a85a829e7d9ce7335fb59590462f78054722bccba511b21db838368c661d993000a845

Download Submit
C:\Users\Admin\AppData\Local\fb53c41a-6e6a-42d6-839f-c6285e0f739d\build2.exe

Filesize
416KB

MD5
aa18968e6cfbdc382ada6a3ed2852085

SHA1
4a41fa1a182916d5790aa2071106b3441d64468d

SHA256
c165c8db38ef8dd8c33d103b5ee78e9ddafd8081ff0c7c035fa5251f970e6cfb

SHA512
8ffdacca2b003438fd4874e7c88beedb6ad8cf9cd5b36fda5907751e06a85a829e7d9ce7335fb59590462f78054722bccba511b21db838368c661d993000a845

Download Submit
C:\Users\Admin\AppData\Local\fb53c41a-6e6a-42d6-839f-c6285e0f739d\build3.exe

Filesize
9KB

MD5
9ead10c08e72ae41921191f8db39bc16

SHA1
abe3bce01cd34afc88e2c838173f8c2bd0090ae1

SHA256
8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

SHA512
aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

Download Submit
C:\Users\Admin\AppData\Local\fb53c41a-6e6a-42d6-839f-c6285e0f739d\build3.exe

Filesize
9KB

MD5
9ead10c08e72ae41921191f8db39bc16

SHA1
abe3bce01cd34afc88e2c838173f8c2bd0090ae1

SHA256
8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

SHA512
aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

Download Submit
C:\Users\Admin\AppData\Local\fb53c41a-6e6a-42d6-839f-c6285e0f739d\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/2372-136-0x0000000002240000-0x000000000235B000-memory.dmp

Filesize
1.1MB

Download
memory/3320-137-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3320-135-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3320-148-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3320-134-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3320-138-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3324-277-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3324-275-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3324-283-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3324-151-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3324-157-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3324-279-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3324-278-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3324-152-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3324-159-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3324-265-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3324-158-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3728-174-0x0000000002C70000-0x0000000002CC7000-memory.dmp

Filesize
348KB

Download
memory/4396-268-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/4396-269-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/4396-171-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/4396-255-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/4396-173-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/4396-175-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/4396-187-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/4396-176-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download