djvu | 49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8

Resubmissions

06-06-2023 07:31

230606-jcgltace57 10

06-06-2023 04:48

230606-ffbm7acf5s 10

Analysis

max time kernel
75s
max time network
102s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
06-06-2023 07:31

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General

Target

49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe
Size

750KB
MD5

85ed24cbf6a15f2643c3fcd2a7171759
SHA1

d8357c6b2620f2f3695409bf6b650e84eebed0d7
SHA256

49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8
SHA512

2c248c6f6b5eb6231817f24839d5e4d23c96ffe096b07f3795900ecd7cc5d0e568b51c630b105286dd0a714b88688b2ab1d9e974c704faec430209eeafdc376e
SSDEEP

12288:X5PG9M5//MIpGA7SsJ9hXKc4Q/h0JwRB1o1cwcKuFzM2aetUHymN:X5PB/McGbsJnX/4QZy0B1oqwzKgeeH

Score

10^/10

djvu vidar 77a63e71a10ee1d81a28b5c866b75922 discovery persistence ransomware spyware stealer

Malware Config

Extracted

Family

djvu

http://zexeq.com/test1/get.php

Attributes

extension
.nerz
offline_id
0vTA6MA1m5nzrdffOCJC7YmAa4Lp6YNN8lOJ4mt1
payload_url
http://colisumy.com/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-vc50LyB2yb 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: 0722JOsie

rsa_pubkey.plain

Extracted

Family

vidar

Version

4.1

Botnet

77a63e71a10ee1d81a28b5c866b75922

https://steamcommunity.com/profiles/76561199510444991

https://t.me/task4manager

Attributes

profile_id_v2
77a63e71a10ee1d81a28b5c866b75922
user_agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.0.0 Safari/537.36 Edg/112.0.1722.34

Signatures

Detected Djvu ransomware 19 IoCs

Processes:

resource	yara_rule
behavioral1/memory/4284-134-0x0000000004B30000-0x0000000004C4B000-memory.dmp	family_djvu
behavioral1/memory/1620-135-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1620-136-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1620-137-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1620-146-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1620-147-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/316-151-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/316-152-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/316-153-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/316-158-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/316-159-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/316-163-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/316-165-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/316-166-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/316-188-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/316-254-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4696-263-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4696-264-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4696-265-0x0000000000400000-0x0000000000537000-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:

49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exebuild2.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Control Panel\International\Geo\Nation	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe
Key value queried	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Control Panel\International\Geo\Nation	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe
Key value queried	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Control Panel\International\Geo\Nation	build2.exe

Executes dropped EXE 4 IoCs

Processes:

build2.exebuild3.exebuild2.exemstsca.exe

pid process

3544 build2.exe
4716 build3.exe
2616 build2.exe
3964 mstsca.exe
Loads dropped DLL 2 IoCs

Processes:

build2.exe

pid process

2616 build2.exe
2616 build2.exe
Modifies file permissions 1 TTPs 1 IoCs
discovery

File Permissions Modification
T1222

Processes:

icacls.exe

pid process

932 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

pid	process
3544	build2.exe
4716	build3.exe
2616	build2.exe
3964	mstsca.exe

pid	process
2616	build2.exe
2616	build2.exe

pid	process
932	icacls.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\95e9ee3a-a273-461e-b7c4-f61f69e1a178\\49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe\" --AutoStart"	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.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 5 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

5 api.2ip.ua
6 api.2ip.ua
25 api.2ip.ua
84 api.2ip.ua
85 api.2ip.ua

flow	ioc
5	api.2ip.ua
6	api.2ip.ua
25	api.2ip.ua
84	api.2ip.ua
85	api.2ip.ua

Suspicious use of SetThreadContext 4 IoCs

Processes:

49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exebuild2.exe49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe

description	pid	process	target process
PID 4284 set thread context of 1620	4284	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe
PID 2364 set thread context of 316	2364	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe
PID 3544 set thread context of 2616	3544	build2.exe	build2.exe
PID 3600 set thread context of 4696	3600	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

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

4736 schtasks.exe
4284 schtasks.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

1272 timeout.exe

pid	process
4736	schtasks.exe
4284	schtasks.exe

pid	process
1272	timeout.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

pid	process
1620	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe
1620	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe
316	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe
316	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe
2616	build2.exe
2616	build2.exe
4696	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe
4696	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe

Suspicious use of WriteProcessMemory 63 IoCs

Processes:

49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exebuild3.exebuild2.exebuild2.execmd.exemstsca.exe49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe

description	pid	process	target process
PID 4284 wrote to memory of 1620	4284	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe
PID 4284 wrote to memory of 1620	4284	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe
PID 4284 wrote to memory of 1620	4284	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe
PID 4284 wrote to memory of 1620	4284	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe
PID 4284 wrote to memory of 1620	4284	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe
PID 4284 wrote to memory of 1620	4284	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe
PID 4284 wrote to memory of 1620	4284	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe
PID 4284 wrote to memory of 1620	4284	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe
PID 4284 wrote to memory of 1620	4284	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe
PID 4284 wrote to memory of 1620	4284	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe
PID 1620 wrote to memory of 932	1620	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe	icacls.exe
PID 1620 wrote to memory of 932	1620	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe	icacls.exe
PID 1620 wrote to memory of 932	1620	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe	icacls.exe
PID 1620 wrote to memory of 2364	1620	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe
PID 1620 wrote to memory of 2364	1620	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe
PID 1620 wrote to memory of 2364	1620	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe
PID 2364 wrote to memory of 316	2364	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe
PID 2364 wrote to memory of 316	2364	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe
PID 2364 wrote to memory of 316	2364	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe
PID 2364 wrote to memory of 316	2364	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe
PID 2364 wrote to memory of 316	2364	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe
PID 2364 wrote to memory of 316	2364	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe
PID 2364 wrote to memory of 316	2364	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe
PID 2364 wrote to memory of 316	2364	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe
PID 2364 wrote to memory of 316	2364	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe
PID 2364 wrote to memory of 316	2364	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe
PID 316 wrote to memory of 3544	316	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe	build2.exe
PID 316 wrote to memory of 3544	316	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe	build2.exe
PID 316 wrote to memory of 3544	316	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe	build2.exe
PID 316 wrote to memory of 4716	316	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe	build3.exe
PID 316 wrote to memory of 4716	316	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe	build3.exe
PID 316 wrote to memory of 4716	316	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe	build3.exe
PID 4716 wrote to memory of 4736	4716	build3.exe	schtasks.exe
PID 4716 wrote to memory of 4736	4716	build3.exe	schtasks.exe
PID 4716 wrote to memory of 4736	4716	build3.exe	schtasks.exe
PID 3544 wrote to memory of 2616	3544	build2.exe	build2.exe
PID 3544 wrote to memory of 2616	3544	build2.exe	build2.exe
PID 3544 wrote to memory of 2616	3544	build2.exe	build2.exe
PID 3544 wrote to memory of 2616	3544	build2.exe	build2.exe
PID 3544 wrote to memory of 2616	3544	build2.exe	build2.exe
PID 3544 wrote to memory of 2616	3544	build2.exe	build2.exe
PID 3544 wrote to memory of 2616	3544	build2.exe	build2.exe
PID 3544 wrote to memory of 2616	3544	build2.exe	build2.exe
PID 3544 wrote to memory of 2616	3544	build2.exe	build2.exe
PID 2616 wrote to memory of 2820	2616	build2.exe	cmd.exe
PID 2616 wrote to memory of 2820	2616	build2.exe	cmd.exe
PID 2616 wrote to memory of 2820	2616	build2.exe	cmd.exe
PID 2820 wrote to memory of 1272	2820	cmd.exe	timeout.exe
PID 2820 wrote to memory of 1272	2820	cmd.exe	timeout.exe
PID 2820 wrote to memory of 1272	2820	cmd.exe	timeout.exe
PID 3964 wrote to memory of 4284	3964	mstsca.exe	schtasks.exe
PID 3964 wrote to memory of 4284	3964	mstsca.exe	schtasks.exe
PID 3964 wrote to memory of 4284	3964	mstsca.exe	schtasks.exe
PID 3600 wrote to memory of 4696	3600	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe
PID 3600 wrote to memory of 4696	3600	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe
PID 3600 wrote to memory of 4696	3600	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe
PID 3600 wrote to memory of 4696	3600	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe
PID 3600 wrote to memory of 4696	3600	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe
PID 3600 wrote to memory of 4696	3600	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe
PID 3600 wrote to memory of 4696	3600	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe
PID 3600 wrote to memory of 4696	3600	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe
PID 3600 wrote to memory of 4696	3600	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe
PID 3600 wrote to memory of 4696	3600	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe	49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe

C:\Users\Admin\AppData\Local\Temp\49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe
"C:\Users\Admin\AppData\Local\Temp\49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4284

C:\Users\Admin\AppData\Local\Temp\49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe
"C:\Users\Admin\AppData\Local\Temp\49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe"
2⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1620

C:\Windows\SysWOW64\icacls.exe
icacls "C:\Users\Admin\AppData\Local\95e9ee3a-a273-461e-b7c4-f61f69e1a178" /deny *S-1-1-0:(OI)(CI)(DE,DC)
3⤵
- Modifies file permissions
PID:932

C:\Users\Admin\AppData\Local\Temp\49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe
"C:\Users\Admin\AppData\Local\Temp\49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe" --Admin IsNotAutoStart IsNotTask
3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2364

C:\Users\Admin\AppData\Local\Temp\49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe
"C:\Users\Admin\AppData\Local\Temp\49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe" --Admin IsNotAutoStart IsNotTask
4⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:316

C:\Users\Admin\AppData\Local\e0bf20e6-1964-43f4-8efd-fb0e489622cb\build2.exe
"C:\Users\Admin\AppData\Local\e0bf20e6-1964-43f4-8efd-fb0e489622cb\build2.exe"
5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3544

C:\Users\Admin\AppData\Local\e0bf20e6-1964-43f4-8efd-fb0e489622cb\build2.exe
"C:\Users\Admin\AppData\Local\e0bf20e6-1964-43f4-8efd-fb0e489622cb\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:2616

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\e0bf20e6-1964-43f4-8efd-fb0e489622cb\build2.exe" & exit
7⤵
- Suspicious use of WriteProcessMemory
PID:2820

C:\Windows\SysWOW64\timeout.exe
timeout /t 6
8⤵
- Delays execution with timeout.exe
PID:1272

C:\Users\Admin\AppData\Local\e0bf20e6-1964-43f4-8efd-fb0e489622cb\build3.exe
"C:\Users\Admin\AppData\Local\e0bf20e6-1964-43f4-8efd-fb0e489622cb\build3.exe"
5⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4716

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:4736

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:3828

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:3964

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:4284

C:\Users\Admin\AppData\Local\Temp\49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe
"C:\Users\Admin\AppData\Local\Temp\49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3600

C:\Users\Admin\AppData\Local\Temp\49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe
"C:\Users\Admin\AppData\Local\Temp\49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
PID:4696

C:\Users\Admin\AppData\Local\Temp\4272309085\zmstage.exe
"C:\Users\Admin\AppData\Local\Temp\4272309085\zmstage.exe"
1⤵
PID:4704

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
72cce08db064d193dd1c8db96e30a0e7

SHA1
a76ef6bbfb2cadde26e7d713e9a71a8818d68991

SHA256
e904584bfbd2b92b1b9063f660abbe337c58e623ca78df5107f036d272d66c38

SHA512
e1d719a6a5d446c2b3348930cfcea61f85cff76adc38948dfb144aa7f95eac5453d7787706bca70ce75de931724cff7e6e146f9b662e34eb36d948995fbca1f4

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

MD5
e5ef4e3f5fd7934cb9c76b42b58ea45c

SHA1
c76f9fad9a12335d281771454f657036efc5881a

SHA256
3b247db7937565d22f6455fb744771e14de3380d133192e00a8f5fadf6492bdb

SHA512
1f18d5a9aead87cf00682a6fccdfc2896d29a92f808491fb0c1a97a86941734d9c6f1dee6786a9151eba488916d84c220c6ae78a93c1246301de73c2d034373f

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

MD5
5f612619da6dde6af1ee9f4effd829c7

SHA1
e47bafd74d2cf026db206b3d85033bc46d76434c

SHA256
bb77a7da39c58fb3935b91f69bbee55c4a5c94f21910f3b55d2d2c29e476265b

SHA512
c635cc191b4740cfed13624f20c3e7b5bb557fd6349e1ecd2d9d5fa4ed0e5fb669ba2f806ee8f9eebd48f4a5830df0796bb6a1fe9df2c6616d5c1c377f843d06

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

MD5
19cb3e35a30fa326eaa4f8d5d90d4d32

SHA1
a972735e52cd80e647961fd9fe3d2bb7af39475d

SHA256
801b61e67a91324c4acba375a3155282f41eb4874f29a76444eb64df76e2b491

SHA512
9ea6b29e1687fe80d5dc3f7115a8c4e7645e6b6ee7fa28b80ec290e13b4d8e64a6f5d5972def2307d484f9d68d08c76a6d0e08891247bb08682145d3297d1491

Download Submit
C:\Users\Admin\AppData\Local\95e9ee3a-a273-461e-b7c4-f61f69e1a178\49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8.exe
Filesize
750KB

MD5
85ed24cbf6a15f2643c3fcd2a7171759

SHA1
d8357c6b2620f2f3695409bf6b650e84eebed0d7

SHA256
49def58b6d715af7c26bc27faeb4e3f8f0f97b9d4a50dc1f1c12cd65791657d8

SHA512
2c248c6f6b5eb6231817f24839d5e4d23c96ffe096b07f3795900ecd7cc5d0e568b51c630b105286dd0a714b88688b2ab1d9e974c704faec430209eeafdc376e

Download Submit
C:\Users\Admin\AppData\Local\e0bf20e6-1964-43f4-8efd-fb0e489622cb\build2.exe
Filesize
437KB

MD5
04197441a29753c237bc0c285082c0d8

SHA1
463462810a45452d6e91364ae7858263437648dd

SHA256
692fe3aca06ef0e1582fcf692dfd0e2e38e1b542368848318e0095a8f85f3d77

SHA512
91456197c3d88bcf52ce557690751fe9d7b5b90c92313e00a11c7af75bdddf92623b26f7fa70c72df6083221010556052d366dcc45d091e46d8dfda585297a05

Download Submit
C:\Users\Admin\AppData\Local\e0bf20e6-1964-43f4-8efd-fb0e489622cb\build2.exe
Filesize
437KB

MD5
04197441a29753c237bc0c285082c0d8

SHA1
463462810a45452d6e91364ae7858263437648dd

SHA256
692fe3aca06ef0e1582fcf692dfd0e2e38e1b542368848318e0095a8f85f3d77

SHA512
91456197c3d88bcf52ce557690751fe9d7b5b90c92313e00a11c7af75bdddf92623b26f7fa70c72df6083221010556052d366dcc45d091e46d8dfda585297a05

Download Submit
C:\Users\Admin\AppData\Local\e0bf20e6-1964-43f4-8efd-fb0e489622cb\build2.exe
Filesize
437KB

MD5
04197441a29753c237bc0c285082c0d8

SHA1
463462810a45452d6e91364ae7858263437648dd

SHA256
692fe3aca06ef0e1582fcf692dfd0e2e38e1b542368848318e0095a8f85f3d77

SHA512
91456197c3d88bcf52ce557690751fe9d7b5b90c92313e00a11c7af75bdddf92623b26f7fa70c72df6083221010556052d366dcc45d091e46d8dfda585297a05

Download Submit
C:\Users\Admin\AppData\Local\e0bf20e6-1964-43f4-8efd-fb0e489622cb\build2.exe
Filesize
437KB

MD5
04197441a29753c237bc0c285082c0d8

SHA1
463462810a45452d6e91364ae7858263437648dd

SHA256
692fe3aca06ef0e1582fcf692dfd0e2e38e1b542368848318e0095a8f85f3d77

SHA512
91456197c3d88bcf52ce557690751fe9d7b5b90c92313e00a11c7af75bdddf92623b26f7fa70c72df6083221010556052d366dcc45d091e46d8dfda585297a05

Download Submit
C:\Users\Admin\AppData\Local\e0bf20e6-1964-43f4-8efd-fb0e489622cb\build3.exe
Filesize
9KB

MD5
9ead10c08e72ae41921191f8db39bc16

SHA1
abe3bce01cd34afc88e2c838173f8c2bd0090ae1

SHA256
8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

SHA512
aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

Download Submit
C:\Users\Admin\AppData\Local\e0bf20e6-1964-43f4-8efd-fb0e489622cb\build3.exe
Filesize
9KB

MD5
9ead10c08e72ae41921191f8db39bc16

SHA1
abe3bce01cd34afc88e2c838173f8c2bd0090ae1

SHA256
8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

SHA512
aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

Download Submit
C:\Users\Admin\AppData\Local\e0bf20e6-1964-43f4-8efd-fb0e489622cb\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/316-153-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/316-151-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/316-166-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/316-163-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/316-159-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/316-188-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/316-158-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/316-165-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/316-254-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/316-152-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1620-137-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1620-147-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1620-146-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1620-136-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1620-135-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2616-197-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/2616-208-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/2616-198-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/2616-195-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/2616-249-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/2616-250-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/2616-251-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/2616-193-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/3544-196-0x00000000007B0000-0x0000000000806000-memory.dmp

Filesize
344KB

Download
memory/4284-134-0x0000000004B30000-0x0000000004C4B000-memory.dmp

Filesize
1.1MB

Download
memory/4696-263-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

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memory/4696-264-0x0000000000400000-0x0000000000537000-memory.dmp

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1.2MB

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memory/4696-265-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

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