djvu | 6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee

Analysis

max time kernel
146s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20230221-en
resource tags

arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
submitted
30-03-2023 09:30

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General

Target

6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe
Size

733KB
MD5

e15cc0c085f3b554f4d6ab932ee7f067
SHA1

ac86743885f703cd07c408f14e810b82503a9ae1
SHA256

6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee
SHA512

68e107513ae0640430b39355aa18ddadcaec0ae509db4f3ccef830f2aa4311cca842de7baa74159a05ba20454c6b5a813b447004dabb05499bc9dec3da5643d2
SSDEEP

12288:aOC+2xMhVunfrA+rxiFe+JrNNk0a5vRyn42OhH/Xw4dai389srbq5TK6NT/X:BHhkfrA+LYNN7a522ZPdai35G5TK69/X

Score

10^/10

djvu vidar 5df88deb5dde677ba658b77ad5f60248 discovery persistence ransomware spyware stealer

Malware Config

Extracted

Family

djvu

http://zexeq.com/test2/get.php

Attributes

extension
.jywd
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: [email protected] Reserve e-mail address to contact us: [email protected] Your personal ID: 0675JOsie

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/4772-134-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2744-136-0x0000000004920000-0x0000000004A3B000-memory.dmp	family_djvu
behavioral1/memory/4772-135-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4772-137-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4772-138-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4772-147-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4340-151-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4340-152-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4340-157-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4340-158-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4340-159-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4340-163-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4340-165-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4340-166-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4340-192-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4340-276-0x0000000000400000-0x0000000000537000-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 3 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exebuild2.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Control Panel\International\Geo\Nation	6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Control Panel\International\Geo\Nation	6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Control Panel\International\Geo\Nation	build2.exe

Executes dropped EXE 4 IoCs

Processes:

build2.exebuild2.exebuild3.exemstsca.exe

pid process

4332 build2.exe
4412 build2.exe
3096 build3.exe
544 mstsca.exe
Loads dropped DLL 2 IoCs

Processes:

build2.exe

pid process

4412 build2.exe
4412 build2.exe
Modifies file permissions 1 TTPs 1 IoCs
discovery

File and Directory Permissions Modification
T1222

Processes:

icacls.exe

pid process

1620 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
4332	build2.exe
4412	build2.exe
3096	build3.exe
544	mstsca.exe

pid	process
4412	build2.exe
4412	build2.exe

pid	process
1620	icacls.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.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\\a53e7c3e-79ca-4314-8e49-ebe25dea511e\\6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe\" --AutoStart"	6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.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

8 api.2ip.ua
9 api.2ip.ua
23 api.2ip.ua

flow	ioc
8	api.2ip.ua
9	api.2ip.ua
23	api.2ip.ua

Suspicious use of SetThreadContext 3 IoCs

Processes:

6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exebuild2.exe

description	pid	process	target process
PID 2744 set thread context of 4772	2744	6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe	6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe
PID 1380 set thread context of 4340	1380	6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe	6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe
PID 4332 set thread context of 4412	4332	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

2708 schtasks.exe
4944 schtasks.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

3464 timeout.exe

pid	process
2708	schtasks.exe
4944	schtasks.exe

pid	process
3464	timeout.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exebuild2.exe

pid	process
4772	6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe
4772	6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe
4340	6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe
4340	6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe
4412	build2.exe
4412	build2.exe

Suspicious use of WriteProcessMemory 53 IoCs

Processes:

6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exebuild2.exebuild3.exebuild2.execmd.exemstsca.exe

description	pid	process	target process
PID 2744 wrote to memory of 4772	2744	6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe	6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe
PID 2744 wrote to memory of 4772	2744	6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe	6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe
PID 2744 wrote to memory of 4772	2744	6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe	6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe
PID 2744 wrote to memory of 4772	2744	6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe	6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe
PID 2744 wrote to memory of 4772	2744	6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe	6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe
PID 2744 wrote to memory of 4772	2744	6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe	6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe
PID 2744 wrote to memory of 4772	2744	6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe	6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe
PID 2744 wrote to memory of 4772	2744	6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe	6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe
PID 2744 wrote to memory of 4772	2744	6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe	6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe
PID 2744 wrote to memory of 4772	2744	6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe	6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe
PID 4772 wrote to memory of 1620	4772	6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe	icacls.exe
PID 4772 wrote to memory of 1620	4772	6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe	icacls.exe
PID 4772 wrote to memory of 1620	4772	6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe	icacls.exe
PID 4772 wrote to memory of 1380	4772	6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe	6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe
PID 4772 wrote to memory of 1380	4772	6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe	6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe
PID 4772 wrote to memory of 1380	4772	6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe	6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe
PID 1380 wrote to memory of 4340	1380	6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe	6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe
PID 1380 wrote to memory of 4340	1380	6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe	6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe
PID 1380 wrote to memory of 4340	1380	6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe	6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe
PID 1380 wrote to memory of 4340	1380	6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe	6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe
PID 1380 wrote to memory of 4340	1380	6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe	6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe
PID 1380 wrote to memory of 4340	1380	6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe	6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe
PID 1380 wrote to memory of 4340	1380	6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe	6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe
PID 1380 wrote to memory of 4340	1380	6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe	6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe
PID 1380 wrote to memory of 4340	1380	6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe	6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe
PID 1380 wrote to memory of 4340	1380	6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe	6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe
PID 4340 wrote to memory of 4332	4340	6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe	build2.exe
PID 4340 wrote to memory of 4332	4340	6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe	build2.exe
PID 4340 wrote to memory of 4332	4340	6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe	build2.exe
PID 4332 wrote to memory of 4412	4332	build2.exe	build2.exe
PID 4332 wrote to memory of 4412	4332	build2.exe	build2.exe
PID 4332 wrote to memory of 4412	4332	build2.exe	build2.exe
PID 4332 wrote to memory of 4412	4332	build2.exe	build2.exe
PID 4332 wrote to memory of 4412	4332	build2.exe	build2.exe
PID 4332 wrote to memory of 4412	4332	build2.exe	build2.exe
PID 4332 wrote to memory of 4412	4332	build2.exe	build2.exe
PID 4332 wrote to memory of 4412	4332	build2.exe	build2.exe
PID 4332 wrote to memory of 4412	4332	build2.exe	build2.exe
PID 4340 wrote to memory of 3096	4340	6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe	build3.exe
PID 4340 wrote to memory of 3096	4340	6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe	build3.exe
PID 4340 wrote to memory of 3096	4340	6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe	build3.exe
PID 3096 wrote to memory of 2708	3096	build3.exe	schtasks.exe
PID 3096 wrote to memory of 2708	3096	build3.exe	schtasks.exe
PID 3096 wrote to memory of 2708	3096	build3.exe	schtasks.exe
PID 4412 wrote to memory of 972	4412	build2.exe	cmd.exe
PID 4412 wrote to memory of 972	4412	build2.exe	cmd.exe
PID 4412 wrote to memory of 972	4412	build2.exe	cmd.exe
PID 972 wrote to memory of 3464	972	cmd.exe	timeout.exe
PID 972 wrote to memory of 3464	972	cmd.exe	timeout.exe
PID 972 wrote to memory of 3464	972	cmd.exe	timeout.exe
PID 544 wrote to memory of 4944	544	mstsca.exe	schtasks.exe
PID 544 wrote to memory of 4944	544	mstsca.exe	schtasks.exe
PID 544 wrote to memory of 4944	544	mstsca.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe
"C:\Users\Admin\AppData\Local\Temp\6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2744

C:\Users\Admin\AppData\Local\Temp\6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe
"C:\Users\Admin\AppData\Local\Temp\6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe"
2⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4772

C:\Windows\SysWOW64\icacls.exe
icacls "C:\Users\Admin\AppData\Local\a53e7c3e-79ca-4314-8e49-ebe25dea511e" /deny *S-1-1-0:(OI)(CI)(DE,DC)
3⤵
- Modifies file permissions
PID:1620

C:\Users\Admin\AppData\Local\Temp\6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe
"C:\Users\Admin\AppData\Local\Temp\6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe" --Admin IsNotAutoStart IsNotTask
3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1380

C:\Users\Admin\AppData\Local\Temp\6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe
"C:\Users\Admin\AppData\Local\Temp\6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe" --Admin IsNotAutoStart IsNotTask
4⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4340

C:\Users\Admin\AppData\Local\999352aa-f918-45ed-94d2-b1828e1d5975\build2.exe
"C:\Users\Admin\AppData\Local\999352aa-f918-45ed-94d2-b1828e1d5975\build2.exe"
5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4332

C:\Users\Admin\AppData\Local\999352aa-f918-45ed-94d2-b1828e1d5975\build2.exe
"C:\Users\Admin\AppData\Local\999352aa-f918-45ed-94d2-b1828e1d5975\build2.exe"
6⤵
- Checks computer location settings
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4412

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\999352aa-f918-45ed-94d2-b1828e1d5975\build2.exe" & exit
7⤵
- Suspicious use of WriteProcessMemory
PID:972

C:\Windows\SysWOW64\timeout.exe
timeout /t 6
8⤵
- Delays execution with timeout.exe
PID:3464

C:\Users\Admin\AppData\Local\999352aa-f918-45ed-94d2-b1828e1d5975\build3.exe
"C:\Users\Admin\AppData\Local\999352aa-f918-45ed-94d2-b1828e1d5975\build3.exe"
5⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3096

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:2708

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:544

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:4944

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
ee7ad9d8f28e0558a94e667206e8a271

SHA1
b49a079526da92d55f2d1bc66659836c0f90a086

SHA256
9eeeef2cbd8192c6586ffa64114ad0c3e8e5ab3a73817e1044895517c6eba712

SHA512
0c1596e7b8e54e0cce8139a339c4c34f5f9391ce0b7051673abe7a43f174f292e0d3267b1ce1186247535941b416962b6fe63cb03855ddea254cf09fddad3223

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
29bc0df66c3ebad3a9cda1319e4cfef9

SHA1
83154c2d8256d6f79547467215b0ae22d9c74888

SHA256
3c87deeaf3bb451040cc906133cd83bcda1464d27bace6662bbee31f940603a2

SHA512
f7aa5ef7996dbb1dddbdf649df4a4080797ac54e6ffb854c8f58e15d8f1addfc0f6d6feb3385c47284c3e31a9812559f5ea960745aa6fde75d0674911eaed13d

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

MD5
f234e91308cdf2d073414279ee4e8721

SHA1
5846aa34449bff4c8b1b20f752b1e341635f1846

SHA256
6d82dcb9e790e6635ee35befde4ceb555b6c99ba8a08f76c7e377dc9e6fd726d

SHA512
dfb5fb49ef1addabbbe729c228db32c772dbe4910cf95d1fc569e9dae18004f6dc5f2785db16a9833fd5328bcf3529697cd5a7891239120a913bc9158f40b49c

Download Submit
C:\Users\Admin\AppData\Local\999352aa-f918-45ed-94d2-b1828e1d5975\build2.exe
Filesize
416KB

MD5
aa18968e6cfbdc382ada6a3ed2852085

SHA1
4a41fa1a182916d5790aa2071106b3441d64468d

SHA256
c165c8db38ef8dd8c33d103b5ee78e9ddafd8081ff0c7c035fa5251f970e6cfb

SHA512
8ffdacca2b003438fd4874e7c88beedb6ad8cf9cd5b36fda5907751e06a85a829e7d9ce7335fb59590462f78054722bccba511b21db838368c661d993000a845

Download Submit
C:\Users\Admin\AppData\Local\999352aa-f918-45ed-94d2-b1828e1d5975\build2.exe
Filesize
416KB

MD5
aa18968e6cfbdc382ada6a3ed2852085

SHA1
4a41fa1a182916d5790aa2071106b3441d64468d

SHA256
c165c8db38ef8dd8c33d103b5ee78e9ddafd8081ff0c7c035fa5251f970e6cfb

SHA512
8ffdacca2b003438fd4874e7c88beedb6ad8cf9cd5b36fda5907751e06a85a829e7d9ce7335fb59590462f78054722bccba511b21db838368c661d993000a845

Download Submit
C:\Users\Admin\AppData\Local\999352aa-f918-45ed-94d2-b1828e1d5975\build2.exe
Filesize
416KB

MD5
aa18968e6cfbdc382ada6a3ed2852085

SHA1
4a41fa1a182916d5790aa2071106b3441d64468d

SHA256
c165c8db38ef8dd8c33d103b5ee78e9ddafd8081ff0c7c035fa5251f970e6cfb

SHA512
8ffdacca2b003438fd4874e7c88beedb6ad8cf9cd5b36fda5907751e06a85a829e7d9ce7335fb59590462f78054722bccba511b21db838368c661d993000a845

Download Submit
C:\Users\Admin\AppData\Local\999352aa-f918-45ed-94d2-b1828e1d5975\build2.exe
Filesize
416KB

MD5
aa18968e6cfbdc382ada6a3ed2852085

SHA1
4a41fa1a182916d5790aa2071106b3441d64468d

SHA256
c165c8db38ef8dd8c33d103b5ee78e9ddafd8081ff0c7c035fa5251f970e6cfb

SHA512
8ffdacca2b003438fd4874e7c88beedb6ad8cf9cd5b36fda5907751e06a85a829e7d9ce7335fb59590462f78054722bccba511b21db838368c661d993000a845

Download Submit
C:\Users\Admin\AppData\Local\999352aa-f918-45ed-94d2-b1828e1d5975\build3.exe
Filesize
9KB

MD5
9ead10c08e72ae41921191f8db39bc16

SHA1
abe3bce01cd34afc88e2c838173f8c2bd0090ae1

SHA256
8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

SHA512
aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

Download Submit
C:\Users\Admin\AppData\Local\999352aa-f918-45ed-94d2-b1828e1d5975\build3.exe
Filesize
9KB

MD5
9ead10c08e72ae41921191f8db39bc16

SHA1
abe3bce01cd34afc88e2c838173f8c2bd0090ae1

SHA256
8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

SHA512
aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

Download Submit
C:\Users\Admin\AppData\Local\999352aa-f918-45ed-94d2-b1828e1d5975\build3.exe
Filesize
9KB

MD5
9ead10c08e72ae41921191f8db39bc16

SHA1
abe3bce01cd34afc88e2c838173f8c2bd0090ae1

SHA256
8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

SHA512
aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

Download Submit
C:\Users\Admin\AppData\Local\a53e7c3e-79ca-4314-8e49-ebe25dea511e\6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee.exe
Filesize
733KB

MD5
e15cc0c085f3b554f4d6ab932ee7f067

SHA1
ac86743885f703cd07c408f14e810b82503a9ae1

SHA256
6fda8c21ee38e5a63297c7d3cb0ec7c9998c08a5315220a37331dfef4335c1ee

SHA512
68e107513ae0640430b39355aa18ddadcaec0ae509db4f3ccef830f2aa4311cca842de7baa74159a05ba20454c6b5a813b447004dabb05499bc9dec3da5643d2

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/2744-136-0x0000000004920000-0x0000000004A3B000-memory.dmp

Filesize
1.1MB

Download
memory/4332-181-0x00000000047D0000-0x0000000004827000-memory.dmp

Filesize
348KB

Download
memory/4340-157-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4340-276-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4340-166-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4340-165-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4340-163-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4340-159-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4340-152-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4340-158-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4340-151-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4340-192-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4412-180-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/4412-183-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/4412-182-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/4412-178-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/4412-205-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/4412-273-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/4412-275-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/4412-277-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/4772-135-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4772-134-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4772-137-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4772-138-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4772-147-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download