djvu | 66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678

Analysis

max time kernel
300s
max time network
207s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
04-02-2024 07:40

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General

Target

66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe
Size

737KB
MD5

93c82a57837aae4227b65a84b2e7c787
SHA1

469d0f9920d93029c4cdf2832d0df9939a17e5e4
SHA256

66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678
SHA512

be00ea6ed8b6c3948374d46a83873adf9f40af21db5dd42985fe736dc46cb03fe72ceb8b5593aa7f30937fd92d064486b3856afd5892f1c67b518e26eba0ae64
SSDEEP

12288:Q2IwAVLmgpXICA9qcs0gsq8TgvHDVEk25wZ5C2UGhh6a+Wh7P3auMkTQ9ymQAd:dAVLmAXku0gs6HDVEkXZ52Ghh9+23hQ

Score

10^/10

djvu vidar 1b9d7ec5a25ab9d78c31777a0016a097 discovery persistence ransomware stealer

Malware Config

Extracted

Family

djvu

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

Attributes

extension
.cdcc
offline_id
LBxKKiegnAy53rpqH3Pj2j46vwldiEt9kqHSuMt1
payload_url
http://brusuax.com/dl/build2.exe

http://habrafa.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-iVcrVFVRqu Price of private key and decrypt software is $1999. Discount 50% available if you contact us first 72 hours, that's price for you is $999. 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: 0846ASdw

rsa_pubkey.plain

Extracted

Family

vidar

Version

7.6

Botnet

1b9d7ec5a25ab9d78c31777a0016a097

https://t.me/tvrugrats

https://steamcommunity.com/profiles/76561199627279110

Attributes

profile_id_v2
1b9d7ec5a25ab9d78c31777a0016a097

Signatures

Detect Vidar Stealer 6 IoCs

stealer

Processes:

resource	yara_rule
behavioral1/memory/1952-79-0x0000000000400000-0x0000000000643000-memory.dmp	family_vidar_v7
behavioral1/memory/2744-78-0x0000000000230000-0x0000000000260000-memory.dmp	family_vidar_v7
behavioral1/memory/1952-74-0x0000000000400000-0x0000000000643000-memory.dmp	family_vidar_v7
behavioral1/memory/1952-80-0x0000000000400000-0x0000000000643000-memory.dmp	family_vidar_v7
behavioral1/memory/1952-226-0x0000000000400000-0x0000000000643000-memory.dmp	family_vidar_v7
behavioral1/memory/1952-239-0x0000000000400000-0x0000000000643000-memory.dmp	family_vidar_v7

Detected Djvu ransomware 14 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2624-5-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2876-4-0x0000000001E70000-0x0000000001F8B000-memory.dmp	family_djvu
behavioral1/memory/2624-8-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2624-9-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2624-27-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2532-35-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2532-36-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2532-49-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2532-50-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2532-54-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2532-57-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2532-56-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2532-61-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2532-138-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu

Djvu Ransomware
Ransomware which is a variant of the STOP family.
ransomware djvu
Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Downloads MZ/PE file

Executes dropped EXE 14 IoCs

Processes:

build2.exebuild2.exebuild3.exebuild3.exemstsca.exemstsca.exemstsca.exemstsca.exemstsca.exemstsca.exemstsca.exemstsca.exemstsca.exemstsca.exe

pid	process
2744	build2.exe
1952	build2.exe
576	build3.exe
2392	build3.exe
2444	mstsca.exe
1632	mstsca.exe
1880	mstsca.exe
1908	mstsca.exe
2924	mstsca.exe
2220	mstsca.exe
1056	mstsca.exe
3052	mstsca.exe
2544	mstsca.exe
2700	mstsca.exe

Loads dropped DLL 11 IoCs

Processes:

66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exeWerFault.exe

pid	process
2532	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe
2532	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe
2532	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe
2532	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe
556	WerFault.exe
556	WerFault.exe
556	WerFault.exe
556	WerFault.exe
556	WerFault.exe
556	WerFault.exe
556	WerFault.exe

Modifies file permissions 1 TTPs 1 IoCs
discovery

File and Directory Permissions Modification
T1222

Processes:

icacls.exe

pid process

2868 icacls.exe

pid	process
2868	icacls.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\40b19835-3552-4c5a-8b2b-82fab7ca9b69\\66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe\" --AutoStart"	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe

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

3 api.2ip.ua
4 api.2ip.ua
9 api.2ip.ua

flow	ioc
3	api.2ip.ua
4	api.2ip.ua
9	api.2ip.ua

Suspicious use of SetThreadContext 9 IoCs

Processes:

66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exebuild2.exebuild3.exemstsca.exemstsca.exemstsca.exemstsca.exemstsca.exe

description	pid	process	target process
PID 2876 set thread context of 2624	2876	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe
PID 2720 set thread context of 2532	2720	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe
PID 2744 set thread context of 1952	2744	build2.exe	build2.exe
PID 576 set thread context of 2392	576	build3.exe	build3.exe
PID 2444 set thread context of 1632	2444	mstsca.exe	mstsca.exe
PID 1880 set thread context of 1908	1880	mstsca.exe	mstsca.exe
PID 2924 set thread context of 2220	2924	mstsca.exe	mstsca.exe
PID 1056 set thread context of 3052	1056	mstsca.exe	mstsca.exe
PID 2544 set thread context of 2700	2544	mstsca.exe	mstsca.exe

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

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

556 1952 WerFault.exe 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/Job
T1053

Processes:

schtasks.exeschtasks.exe

pid process

304 schtasks.exe
2640 schtasks.exe

pid	pid_target	process	target process
556	1952	WerFault.exe	build2.exe

pid	process
304	schtasks.exe
2640	schtasks.exe

Modifies system certificate store 2 TTPs 3 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

Processes:

build2.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25	build2.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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	build2.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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	build2.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe

pid	process
2624	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe
2532	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe
2532	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exebuild2.exebuild3.exebuild3.exebuild2.exe

description	pid	process	target process
PID 2876 wrote to memory of 2624	2876	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe
PID 2876 wrote to memory of 2624	2876	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe
PID 2876 wrote to memory of 2624	2876	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe
PID 2876 wrote to memory of 2624	2876	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe
PID 2876 wrote to memory of 2624	2876	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe
PID 2876 wrote to memory of 2624	2876	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe
PID 2876 wrote to memory of 2624	2876	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe
PID 2876 wrote to memory of 2624	2876	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe
PID 2876 wrote to memory of 2624	2876	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe
PID 2876 wrote to memory of 2624	2876	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe
PID 2876 wrote to memory of 2624	2876	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe
PID 2624 wrote to memory of 2868	2624	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe	icacls.exe
PID 2624 wrote to memory of 2868	2624	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe	icacls.exe
PID 2624 wrote to memory of 2868	2624	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe	icacls.exe
PID 2624 wrote to memory of 2868	2624	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe	icacls.exe
PID 2624 wrote to memory of 2720	2624	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe
PID 2624 wrote to memory of 2720	2624	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe
PID 2624 wrote to memory of 2720	2624	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe
PID 2624 wrote to memory of 2720	2624	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe
PID 2720 wrote to memory of 2532	2720	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe
PID 2720 wrote to memory of 2532	2720	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe
PID 2720 wrote to memory of 2532	2720	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe
PID 2720 wrote to memory of 2532	2720	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe
PID 2720 wrote to memory of 2532	2720	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe
PID 2720 wrote to memory of 2532	2720	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe
PID 2720 wrote to memory of 2532	2720	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe
PID 2720 wrote to memory of 2532	2720	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe
PID 2720 wrote to memory of 2532	2720	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe
PID 2720 wrote to memory of 2532	2720	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe
PID 2720 wrote to memory of 2532	2720	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe
PID 2532 wrote to memory of 2744	2532	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe	build2.exe
PID 2532 wrote to memory of 2744	2532	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe	build2.exe
PID 2532 wrote to memory of 2744	2532	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe	build2.exe
PID 2532 wrote to memory of 2744	2532	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe	build2.exe
PID 2744 wrote to memory of 1952	2744	build2.exe	build2.exe
PID 2744 wrote to memory of 1952	2744	build2.exe	build2.exe
PID 2744 wrote to memory of 1952	2744	build2.exe	build2.exe
PID 2744 wrote to memory of 1952	2744	build2.exe	build2.exe
PID 2744 wrote to memory of 1952	2744	build2.exe	build2.exe
PID 2744 wrote to memory of 1952	2744	build2.exe	build2.exe
PID 2744 wrote to memory of 1952	2744	build2.exe	build2.exe
PID 2744 wrote to memory of 1952	2744	build2.exe	build2.exe
PID 2744 wrote to memory of 1952	2744	build2.exe	build2.exe
PID 2744 wrote to memory of 1952	2744	build2.exe	build2.exe
PID 2744 wrote to memory of 1952	2744	build2.exe	build2.exe
PID 2532 wrote to memory of 576	2532	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe	build3.exe
PID 2532 wrote to memory of 576	2532	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe	build3.exe
PID 2532 wrote to memory of 576	2532	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe	build3.exe
PID 2532 wrote to memory of 576	2532	66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe	build3.exe
PID 576 wrote to memory of 2392	576	build3.exe	build3.exe
PID 576 wrote to memory of 2392	576	build3.exe	build3.exe
PID 576 wrote to memory of 2392	576	build3.exe	build3.exe
PID 576 wrote to memory of 2392	576	build3.exe	build3.exe
PID 576 wrote to memory of 2392	576	build3.exe	build3.exe
PID 576 wrote to memory of 2392	576	build3.exe	build3.exe
PID 576 wrote to memory of 2392	576	build3.exe	build3.exe
PID 576 wrote to memory of 2392	576	build3.exe	build3.exe
PID 576 wrote to memory of 2392	576	build3.exe	build3.exe
PID 576 wrote to memory of 2392	576	build3.exe	build3.exe
PID 2392 wrote to memory of 304	2392	build3.exe	schtasks.exe
PID 2392 wrote to memory of 304	2392	build3.exe	schtasks.exe
PID 2392 wrote to memory of 304	2392	build3.exe	schtasks.exe
PID 2392 wrote to memory of 304	2392	build3.exe	schtasks.exe
PID 1952 wrote to memory of 556	1952	build2.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe
"C:\Users\Admin\AppData\Local\Temp\66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2876
- C:\Users\Admin\AppData\Local\Temp\66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe
  "C:\Users\Admin\AppData\Local\Temp\66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2624
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\40b19835-3552-4c5a-8b2b-82fab7ca9b69" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    PID:2868
- - C:\Users\Admin\AppData\Local\Temp\66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe
    "C:\Users\Admin\AppData\Local\Temp\66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:2720
  - - C:\Users\Admin\AppData\Local\Temp\66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe
      "C:\Users\Admin\AppData\Local\Temp\66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      Loads dropped DLL
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of WriteProcessMemory
      PID:2532
    - - C:\Users\Admin\AppData\Local\f87b98d7-73cb-44bc-bc69-617bf596d667\build2.exe
        
        "C:\Users\Admin\AppData\Local\f87b98d7-73cb-44bc-bc69-617bf596d667\build2.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious use of WriteProcessMemory
        
        PID:2744
      - C:\Users\Admin\AppData\Local\f87b98d7-73cb-44bc-bc69-617bf596d667\build2.exe
        
        "C:\Users\Admin\AppData\Local\f87b98d7-73cb-44bc-bc69-617bf596d667\build2.exe"
        6⤵
        Executes dropped EXE
        Modifies system certificate store
        Suspicious use of WriteProcessMemory
        
        PID:1952
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1952 -s 1448
        7⤵
        Loads dropped DLL
        Program crash
        
        PID:556
    - - C:\Users\Admin\AppData\Local\f87b98d7-73cb-44bc-bc69-617bf596d667\build3.exe
        
        "C:\Users\Admin\AppData\Local\f87b98d7-73cb-44bc-bc69-617bf596d667\build3.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious use of WriteProcessMemory
        
        PID:576
      - C:\Users\Admin\AppData\Local\f87b98d7-73cb-44bc-bc69-617bf596d667\build3.exe
        
        "C:\Users\Admin\AppData\Local\f87b98d7-73cb-44bc-bc69-617bf596d667\build3.exe"
        6⤵
        Executes dropped EXE
        Suspicious use of WriteProcessMemory
        
        PID:2392
        
        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"
        7⤵
        Creates scheduled task(s)
        
        PID:304

C:\Windows\system32\taskeng.exe
taskeng.exe {E37D10B5-6EF8-4F46-BB08-6F74D8DC85FF} S-1-5-21-3308111660-3636268597-2291490419-1000:JUBFGPHD\Admin:Interactive:[1]
1⤵
PID:2116
- C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  PID:2444
- - C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
    3⤵
    - Executes dropped EXE
    PID:1632
  - - 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"
      4⤵
      Creates scheduled task(s)
      PID:2640
- C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  PID:1880
- - C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
    3⤵
    - Executes dropped EXE
    PID:1908
- C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  PID:2924
- - C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
    3⤵
    - Executes dropped EXE
    PID:2220
- C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  PID:1056
- - C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
    3⤵
    - Executes dropped EXE
    PID:3052
- C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  PID:2544
- - C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
    3⤵
    - Executes dropped EXE
    PID:2700

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Defense Evasion

File and Directory Permissions Modification

T1222

Modify Registry

T1112

Subvert Trust Controls

T1553

Install Root Certificate

T1553.004

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA

Filesize
1KB

MD5
3769f53ac22cdf6658c874805d9983a5

SHA1
53ba470f9cd12bbfde1d1149bcad0029e0f8a84f

SHA256
87ec66df2ed0afbd05a6094ba5ad5bc5b3ef6807828d00323b1addb6addd1c17

SHA512
56ce76ea6aeaaafac14128912b31e12a16a2ca85b97ece7f3034bea5ca3b249c0cfe974b2823f35d38c46d6b3faa7278732b183a86c85f469c422384f08f2925

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464

Filesize
724B

MD5
8202a1cd02e7d69597995cabbe881a12

SHA1
8858d9d934b7aa9330ee73de6c476acf19929ff6

SHA256
58f381c3a0a0ace6321da22e40bd44a597bd98b9c9390ab9258426b5cf75a7a5

SHA512
97ba9fceab995d4bef706f8deef99e06862999734ebe6a05832c710104479c6337cbf0a76e1c1e0f91566a61334dc100d837dfd049e20da765fe49def684f9c9

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA

Filesize
410B

MD5
924c06ddccd2c925a6cb3f797fdf0027

SHA1
536baf51270d93cbcc4f9dfe9d923173f122904a

SHA256
781d97d4227a83b9e3370d027863b7787d5018b7f0fc7503de272a3e0d676e4f

SHA512
4b5a7f4435c475f187456ef10081ad99b0fdcd667aea1671a2a9359b4175c34d8fe4e1f15ffed3dded80396834dda5ae6b1959dd1e6c6fd56ec82af12512f7f4

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
977a999829ab8317f08e7a242e6d2402

SHA1
061aa699aa6a2aae75584e4075ab29dfc4d0cede

SHA256
7ef483988fef975c46560cd5225209d0ee8e62f9de4f4e26687ee8acf0dd8076

SHA512
7474c42ebad490443efd8ae2205b3efc553cdc6437b24fcffee52229bd43d998bbea42cc0ed09f7c3456629120032cc93896f7299196e9f6bc3473ba019e426e

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464

Filesize
392B

MD5
8e5da86011107e0ceddf89b36c7acc97

SHA1
5f8ae65038e5a204fbdac334a1a6c5fa41c43d34

SHA256
e97f0b51ae52b191485c0c9dfaaf4b5ff14bdcba32df5541da8c18f24848a19a

SHA512
aae5be5e2eb9ba1e0fecf8fe656663439e949731d786fed897cb232b9a5cde79c3e8a8468ff1ec9bba32f7a07c6bab4282ae6e9c48ed30743417b6e4bc42e3b2

Download Submit
C:\Users\Admin\AppData\Local\40b19835-3552-4c5a-8b2b-82fab7ca9b69\66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678.exe

Filesize
737KB

MD5
93c82a57837aae4227b65a84b2e7c787

SHA1
469d0f9920d93029c4cdf2832d0df9939a17e5e4

SHA256
66279c22a4fc8671cbf5e2aa2790c0a869921b12600d3d55e4056e5da81ee678

SHA512
be00ea6ed8b6c3948374d46a83873adf9f40af21db5dd42985fe736dc46cb03fe72ceb8b5593aa7f30937fd92d064486b3856afd5892f1c67b518e26eba0ae64

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab496F.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar6B90.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
\Users\Admin\AppData\Local\f87b98d7-73cb-44bc-bc69-617bf596d667\build2.exe

Filesize
385KB

MD5
63e4a9cd7a8b37335b5f18cefc5dd9d2

SHA1
c781a30935afc452b108cc78724b60f389b78874

SHA256
c1e75efde3fd1da605135e5c3ffab0073299c80632d136f8eeba9d4a7c98c70f

SHA512
3818b5966938704c5830acb5426db7791f6ae476853248d8984b1aff35a6722a0684bea54a53ef6ded1f301f6de9ed044d45f007457a9c0f3a7ea3afc7bf0ecc

Download Submit
\Users\Admin\AppData\Local\f87b98d7-73cb-44bc-bc69-617bf596d667\build3.exe

Filesize
299KB

MD5
41b883a061c95e9b9cb17d4ca50de770

SHA1
1daf96ec21d53d9a4699cea9b4db08cda6fbb5ad

SHA256
fef2c8ca07c500e416fd7700a381c39899ee26ce1119f62e7c65cf922ce8b408

SHA512
cdd1bb3a36182575cd715a52815765161eeaa3849e72c1c2a9a4e84cc43af9f8ec4997e642702bb3de41f162d2e8fd8717f6f8302bba5306821ee4d155626319

Download Submit
memory/576-181-0x00000000009A0000-0x0000000000AA0000-memory.dmp

Filesize
1024KB

Download
memory/576-183-0x0000000000220000-0x0000000000224000-memory.dmp

Filesize
16KB

Download
memory/1056-325-0x0000000000870000-0x0000000000970000-memory.dmp

Filesize
1024KB

Download
memory/1880-270-0x0000000000C30000-0x0000000000D30000-memory.dmp

Filesize
1024KB

Download
memory/1952-239-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/1952-226-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/1952-80-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/1952-74-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/1952-79-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/1952-72-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2392-184-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2392-189-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

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memory/2392-187-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

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memory/2444-240-0x0000000000890000-0x0000000000990000-memory.dmp

Filesize
1024KB

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memory/2532-35-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

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memory/2532-138-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

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memory/2532-56-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2532-57-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2532-54-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2532-61-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2532-50-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2532-49-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2532-36-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2544-353-0x0000000000290000-0x0000000000390000-memory.dmp

Filesize
1024KB

Download
memory/2624-8-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2624-9-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2624-2-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2624-27-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2624-5-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2720-28-0x00000000004D0000-0x0000000000562000-memory.dmp

Filesize
584KB

Download
memory/2720-30-0x00000000004D0000-0x0000000000562000-memory.dmp

Filesize
584KB

Download
memory/2744-78-0x0000000000230000-0x0000000000260000-memory.dmp

Filesize
192KB

Download
memory/2744-76-0x0000000000530000-0x0000000000630000-memory.dmp

Filesize
1024KB

Download
memory/2876-4-0x0000000001E70000-0x0000000001F8B000-memory.dmp

Filesize
1.1MB

Download
memory/2876-0-0x0000000000220000-0x00000000002B2000-memory.dmp

Filesize
584KB

Download
memory/2876-7-0x0000000000220000-0x00000000002B2000-memory.dmp

Filesize
584KB

Download
memory/2876-1-0x0000000000220000-0x00000000002B2000-memory.dmp

Filesize
584KB

Download
memory/2924-298-0x0000000000980000-0x0000000000A80000-memory.dmp

Filesize
1024KB

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