djvu | 57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50

Analysis

max time kernel
295s
max time network
305s
platform
windows10-1703_x64
resource
win10-20231220-en
resource tags

arch:x64arch:x86image:win10-20231220-enlocale:en-usos:windows10-1703-x64system
submitted
01-02-2024 04:51

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General

Target

57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe
Size

834KB
MD5

b68bbdac4ada5ab4ec6fbf6e49d70add
SHA1

2868bc0c32ac5ea7add1e1f38ef4d4e048f77201
SHA256

57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50
SHA512

46873523781249c2a28d334514d9c6a8d9c1905103222596d1a9d1a09520b669a0417fe8b756850d8d14de3e0c28a0240fcba1870a4f305cc98ed54aa6102779
SSDEEP

24576:xSvdNgkYQ5LJauttYHlf0IqyTy8wlJeue2v:kvdekYQjaUeHlXbhwS

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 7 IoCs

stealer

Processes:

resource	yara_rule
behavioral2/memory/2956-46-0x0000000000400000-0x0000000000643000-memory.dmp	family_vidar_v7
behavioral2/memory/2956-52-0x0000000000400000-0x0000000000643000-memory.dmp	family_vidar_v7
behavioral2/memory/4892-51-0x00000000008F0000-0x0000000000920000-memory.dmp	family_vidar_v7
behavioral2/memory/2956-50-0x0000000000400000-0x0000000000643000-memory.dmp	family_vidar_v7
behavioral2/memory/2956-66-0x0000000000400000-0x0000000000643000-memory.dmp	family_vidar_v7
behavioral2/memory/4608-153-0x0000000000AE0000-0x0000000000BE0000-memory.dmp	family_vidar_v7
behavioral2/memory/3568-181-0x0000000000A40000-0x0000000000B40000-memory.dmp	family_vidar_v7

Detected Djvu ransomware 12 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4500-2-0x0000000002250000-0x000000000236B000-memory.dmp	family_djvu
behavioral2/memory/4184-5-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4184-6-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4184-4-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4184-3-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4548-23-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4548-24-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4548-30-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4548-34-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4548-36-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4548-53-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4548-63-0x0000000000400000-0x0000000000537000-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 12 IoCs

Processes:

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

pid	process
4892	build2.exe
2956	build2.exe
4540	build3.exe
1560	build3.exe
2304	mstsca.exe
4128	mstsca.exe
3868	mstsca.exe
4484	mstsca.exe
4608	mstsca.exe
2112	mstsca.exe
3568	mstsca.exe
884	mstsca.exe

Modifies file permissions 1 TTPs 1 IoCs
discovery

File and Directory Permissions Modification
T1222

Processes:

icacls.exe

pid process

1836 icacls.exe

pid	process
1836	icacls.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1775739321-368907234-981748298-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\8f5cf275-6985-4408-921b-f80ed8ddc13b\\57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe\" --AutoStart"	57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.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

1 api.2ip.ua
2 api.2ip.ua
10 api.2ip.ua

flow	ioc
1	api.2ip.ua
2	api.2ip.ua
10	api.2ip.ua

Suspicious use of SetThreadContext 8 IoCs

Processes:

57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exebuild2.exebuild3.exemstsca.exemstsca.exemstsca.exemstsca.exe

description	pid	process	target process
PID 4500 set thread context of 4184	4500	57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe	57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe
PID 2652 set thread context of 4548	2652	57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe	57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe
PID 4892 set thread context of 2956	4892	build2.exe	build2.exe
PID 4540 set thread context of 1560	4540	build3.exe	build3.exe
PID 2304 set thread context of 4128	2304	mstsca.exe	mstsca.exe
PID 3868 set thread context of 4484	3868	mstsca.exe	mstsca.exe
PID 4608 set thread context of 2112	4608	mstsca.exe	mstsca.exe
PID 3568 set thread context of 884	3568	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

1444 2956 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
348 schtasks.exe

pid	pid_target	process	target process
1444	2956	WerFault.exe	build2.exe

pid	process
304	schtasks.exe
348	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe

pid	process
4184	57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe
4184	57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe
4548	57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe
4548	57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exebuild2.exebuild3.exebuild3.exemstsca.exemstsca.exe

description	pid	process	target process
PID 4500 wrote to memory of 4184	4500	57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe	57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe
PID 4500 wrote to memory of 4184	4500	57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe	57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe
PID 4500 wrote to memory of 4184	4500	57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe	57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe
PID 4500 wrote to memory of 4184	4500	57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe	57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe
PID 4500 wrote to memory of 4184	4500	57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe	57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe
PID 4500 wrote to memory of 4184	4500	57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe	57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe
PID 4500 wrote to memory of 4184	4500	57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe	57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe
PID 4500 wrote to memory of 4184	4500	57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe	57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe
PID 4500 wrote to memory of 4184	4500	57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe	57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe
PID 4500 wrote to memory of 4184	4500	57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe	57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe
PID 4184 wrote to memory of 1836	4184	57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe	icacls.exe
PID 4184 wrote to memory of 1836	4184	57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe	icacls.exe
PID 4184 wrote to memory of 1836	4184	57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe	icacls.exe
PID 4184 wrote to memory of 2652	4184	57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe	57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe
PID 4184 wrote to memory of 2652	4184	57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe	57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe
PID 4184 wrote to memory of 2652	4184	57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe	57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe
PID 2652 wrote to memory of 4548	2652	57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe	57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe
PID 2652 wrote to memory of 4548	2652	57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe	57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe
PID 2652 wrote to memory of 4548	2652	57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe	57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe
PID 2652 wrote to memory of 4548	2652	57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe	57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe
PID 2652 wrote to memory of 4548	2652	57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe	57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe
PID 2652 wrote to memory of 4548	2652	57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe	57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe
PID 2652 wrote to memory of 4548	2652	57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe	57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe
PID 2652 wrote to memory of 4548	2652	57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe	57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe
PID 2652 wrote to memory of 4548	2652	57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe	57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe
PID 2652 wrote to memory of 4548	2652	57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe	57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe
PID 4548 wrote to memory of 4892	4548	57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe	build2.exe
PID 4548 wrote to memory of 4892	4548	57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe	build2.exe
PID 4548 wrote to memory of 4892	4548	57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe	build2.exe
PID 4892 wrote to memory of 2956	4892	build2.exe	build2.exe
PID 4892 wrote to memory of 2956	4892	build2.exe	build2.exe
PID 4892 wrote to memory of 2956	4892	build2.exe	build2.exe
PID 4892 wrote to memory of 2956	4892	build2.exe	build2.exe
PID 4892 wrote to memory of 2956	4892	build2.exe	build2.exe
PID 4892 wrote to memory of 2956	4892	build2.exe	build2.exe
PID 4892 wrote to memory of 2956	4892	build2.exe	build2.exe
PID 4892 wrote to memory of 2956	4892	build2.exe	build2.exe
PID 4892 wrote to memory of 2956	4892	build2.exe	build2.exe
PID 4892 wrote to memory of 2956	4892	build2.exe	build2.exe
PID 4548 wrote to memory of 4540	4548	57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe	build3.exe
PID 4548 wrote to memory of 4540	4548	57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe	build3.exe
PID 4548 wrote to memory of 4540	4548	57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe	build3.exe
PID 4540 wrote to memory of 1560	4540	build3.exe	build3.exe
PID 4540 wrote to memory of 1560	4540	build3.exe	build3.exe
PID 4540 wrote to memory of 1560	4540	build3.exe	build3.exe
PID 4540 wrote to memory of 1560	4540	build3.exe	build3.exe
PID 4540 wrote to memory of 1560	4540	build3.exe	build3.exe
PID 4540 wrote to memory of 1560	4540	build3.exe	build3.exe
PID 4540 wrote to memory of 1560	4540	build3.exe	build3.exe
PID 4540 wrote to memory of 1560	4540	build3.exe	build3.exe
PID 4540 wrote to memory of 1560	4540	build3.exe	build3.exe
PID 1560 wrote to memory of 304	1560	build3.exe	schtasks.exe
PID 1560 wrote to memory of 304	1560	build3.exe	schtasks.exe
PID 1560 wrote to memory of 304	1560	build3.exe	schtasks.exe
PID 2304 wrote to memory of 4128	2304	mstsca.exe	mstsca.exe
PID 2304 wrote to memory of 4128	2304	mstsca.exe	mstsca.exe
PID 2304 wrote to memory of 4128	2304	mstsca.exe	mstsca.exe
PID 2304 wrote to memory of 4128	2304	mstsca.exe	mstsca.exe
PID 2304 wrote to memory of 4128	2304	mstsca.exe	mstsca.exe
PID 2304 wrote to memory of 4128	2304	mstsca.exe	mstsca.exe
PID 2304 wrote to memory of 4128	2304	mstsca.exe	mstsca.exe
PID 2304 wrote to memory of 4128	2304	mstsca.exe	mstsca.exe
PID 2304 wrote to memory of 4128	2304	mstsca.exe	mstsca.exe
PID 4128 wrote to memory of 348	4128	mstsca.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe
"C:\Users\Admin\AppData\Local\Temp\57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4500

C:\Users\Admin\AppData\Local\Temp\57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe
"C:\Users\Admin\AppData\Local\Temp\57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4184

C:\Windows\SysWOW64\icacls.exe
icacls "C:\Users\Admin\AppData\Local\8f5cf275-6985-4408-921b-f80ed8ddc13b" /deny *S-1-1-0:(OI)(CI)(DE,DC)
3⤵
- Modifies file permissions
PID:1836

C:\Users\Admin\AppData\Local\Temp\57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe
"C:\Users\Admin\AppData\Local\Temp\57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe" --Admin IsNotAutoStart IsNotTask
3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2652

C:\Users\Admin\AppData\Local\Temp\57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe
"C:\Users\Admin\AppData\Local\Temp\57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe" --Admin IsNotAutoStart IsNotTask
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4548

C:\Users\Admin\AppData\Local\28b41228-ac90-4d50-9333-44cdf14a82e4\build2.exe
"C:\Users\Admin\AppData\Local\28b41228-ac90-4d50-9333-44cdf14a82e4\build2.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4892

C:\Users\Admin\AppData\Local\28b41228-ac90-4d50-9333-44cdf14a82e4\build3.exe
"C:\Users\Admin\AppData\Local\28b41228-ac90-4d50-9333-44cdf14a82e4\build3.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4540

C:\Users\Admin\AppData\Local\28b41228-ac90-4d50-9333-44cdf14a82e4\build3.exe
"C:\Users\Admin\AppData\Local\28b41228-ac90-4d50-9333-44cdf14a82e4\build3.exe"
3⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1560

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:304

C:\Users\Admin\AppData\Local\28b41228-ac90-4d50-9333-44cdf14a82e4\build2.exe
"C:\Users\Admin\AppData\Local\28b41228-ac90-4d50-9333-44cdf14a82e4\build2.exe"
1⤵
- Executes dropped EXE
PID:2956

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2956 -s 1848
2⤵
- Program crash
PID:1444

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 SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2304

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 WriteProcessMemory
PID:4128

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"
1⤵
- Creates scheduled task(s)
PID:348

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 SetThreadContext
PID:3868

C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
2⤵
- Executes dropped EXE
PID:4484

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 SetThreadContext
PID:4608

C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
2⤵
- Executes dropped EXE
PID:2112

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 SetThreadContext
PID:3568

C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
2⤵
- Executes dropped EXE
PID:884

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA
Filesize
1KB

MD5
8112ab2a9d7578692e66734917d00015

SHA1
5dc1f7cb2c66c925d195fb98784917d108a001dd

SHA256
919561b1927726f5218e79f21184c4bf7117db4466686fc93d3d5dbc1380033b

SHA512
538f1f36b44d628d2ade163cc40deb58b50cb7fbd56019d9526c8233c30771db8542ed5786d311322dfd2e9d44e979da9513c4a0bbc7416b47bb7beca90013d1

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
6d9515341146b2ce40b3efd60fb372c3

SHA1
a5caeb5ab43d0277085d89119b62dc1a422fefb0

SHA256
32bb8893d853bf1abe55acb02683ca26d5dd16780e3cfe5656152b2ac6cc9c06

SHA512
f862558736866cf54a5568f8d2ab3bf5a6cb44088d5d2aba8cac9b6a8a15221a6643738166f3db65dd7b9ae37f2f574a6595a6da67fab0724ce1b1e1fd1ed5ec

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464
Filesize
392B

MD5
791994b05921d7651a59b477aaae66aa

SHA1
a7fe78b0569d17591fc3bbaf23eab1836c83c8b7

SHA256
861b37e528aae5962b9e0b6682d899f7fdf725aae818d8a5ce7c050591c5b3bd

SHA512
c8786a5c8c411b015b52e2314f2c9c4f3d4376894f2a4d09c7c64d253246cecd5c9d5ba8b107fc977cd75ed840a61cd119e7aef0f9ee429aef7051dabd05c899

Download Submit
C:\Users\Admin\AppData\Local\28b41228-ac90-4d50-9333-44cdf14a82e4\build2.exe
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
C:\Users\Admin\AppData\Local\28b41228-ac90-4d50-9333-44cdf14a82e4\build2.exe
Filesize
1KB

MD5
4b49c6fe09c9c2d4b59bd6cfbeacb12c

SHA1
34592ba710ba16b6df0cda4dc8cfd6db93600062

SHA256
284c248d8da39b056cd78802f016eeecd4d0f55c272de796f9fc3744d3db67bf

SHA512
4a31d9edca2c3c4b21113489627930a2bc444c68a507c08b72ae15f41d23d555b75b4bfe84ab81dd3891735057c0f6eda89143ba49b8940f0a0c7b9e6501d5b3

Download Submit
C:\Users\Admin\AppData\Local\28b41228-ac90-4d50-9333-44cdf14a82e4\build2.exe
Filesize
14KB

MD5
b9873e445e7686cdbe4f42a0045c2c78

SHA1
1bff5bcd38db99d5b1ba7bc9d3bd2884f15a0a07

SHA256
cf94e23c561d851cb794e991dbc49511222d8eed1f6dc0f85a32748b8d3fc155

SHA512
49039874db26f39b4383bc5fb463fa9caecfe19ca1817e805c07d350d842f1240476d755f6d2045f48d9024d5bbab5f2348f0aece5f1ffaff5832bb7a0f6f6b4

Download Submit
C:\Users\Admin\AppData\Local\28b41228-ac90-4d50-9333-44cdf14a82e4\build3.exe
Filesize
39KB

MD5
e74db5d69707a576e1864bb2bc66e5c0

SHA1
18d224c7b180185430b17c935809ecc68dc25d5b

SHA256
61f18efa91daeb09ce72421377496ce429d0982e7a7b910f13510d61b6cfa531

SHA512
f1a145114db24552e344b54bf1de56706569432c848bc13167fc1f0e46f36ee0299d3a9caf41e1ed59caba051a1102ce43a573bf75c8b58e88805ec8d6b03d90

Download Submit
C:\Users\Admin\AppData\Local\28b41228-ac90-4d50-9333-44cdf14a82e4\build3.exe
Filesize
9KB

MD5
1ba013f20fbcb4ad1804ef3a2f5d30fc

SHA1
0ee962e53c5d2b6cf113e7719df956652e95f6bd

SHA256
a65c47675d8ae8a471615770e3516b68dfbc2e8277572df99b24ce56d93f8171

SHA512
72267a32a15e250aea2d204b577d8c9c0c3cd158ecd8a05d1f8d249e8b6fbcadafb538be4a0093c7a293fac96b502f6709156debf22ae71dba26253760fb6900

Download Submit
C:\Users\Admin\AppData\Local\8f5cf275-6985-4408-921b-f80ed8ddc13b\57845addd00c0383048d8fc52728bd507abb3dd0f9b4d1befa07b573efd1af50.exe
Filesize
25KB

MD5
77d12838576c02489c092171f21b3c50

SHA1
4218880a536ccaf6d160f3cebac298e811d32d47

SHA256
5dba78f62e22101aa7c978605aa9206ae2e15d25f6fb38c8e80c3457c31f4932

SHA512
0700aec3424e5680f2f9f26bf234df04c45bd0f5df404950b4d2a8b4efd087a9e393778d6df1738b81aae7c98da05ac2d1e896ad678753a75aa056819c381776

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
Filesize
193KB

MD5
e59e6ddc921b5ab003478f8f00a4d687

SHA1
c3e6370624f7d8e5db70518fdc1f2daf94d2bf24

SHA256
770bdfd37d93e4f355984a1ce67c31558f3ec92764caf3a520021e4652a2833c

SHA512
7de818e990ed08c0f3c82a3a7e04d10b4659cea7cd503178c3217cfde92b422121f8a2abfc87a2e042bd9e63026725023b52c42d200990f183b29932980ab15a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
Filesize
299KB

MD5
41b883a061c95e9b9cb17d4ca50de770

SHA1
1daf96ec21d53d9a4699cea9b4db08cda6fbb5ad

SHA256
fef2c8ca07c500e416fd7700a381c39899ee26ce1119f62e7c65cf922ce8b408

SHA512
cdd1bb3a36182575cd715a52815765161eeaa3849e72c1c2a9a4e84cc43af9f8ec4997e642702bb3de41f162d2e8fd8717f6f8302bba5306821ee4d155626319

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
Filesize
87KB

MD5
71b1cbe762a5be771c4cf4115a361b29

SHA1
9a8ece85694a9b6207df00088dfe02c94d7ac4b1

SHA256
f718a852507bdb73e87705bfddae13f9063be1ec9cdc91107ba59ec5003b90cd

SHA512
ee0863d804bcb410e5539a9ad46dc14f3c88ec042697c8656a3b29571210d557c31db54ff64489263595adfc1d24a0e82febdf839501f61ccbadac94cd75c8bc

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
Filesize
99KB

MD5
bb35033e78dfd5319df2c803c98ae148

SHA1
cca3d504b8152b87129d018f6ab792d31c8687b1

SHA256
edd8582fa1a1ab3004d6231061cba74b536c0c9282ee22878034074aa1916921

SHA512
d6131a0397c76e1c7016ef92faa92a8018e947d27899be5ee050f0162978e673bddd5d0a1af9bbb13dc1441e4f315dd0bd15db36d4c922aca26943481824e506

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
Filesize
19KB

MD5
2decb1220d2f03e7f3c5afc984c876ba

SHA1
924709af81ec7b8e62cfef4e2af4e6d0854bb53e

SHA256
02eaa19a03f6ad4a7c9562fb846384a599b37ab05fc2cad1c536784a7f82bb6e

SHA512
c198b334fd34abab4f03e437648ce33da83ce882c6ac57f4d1c3a2cc30a64ced4f6ef20fdda14a2cb9d90c7269de815a6f83491f5eab95ff797589131ecc69b0

Download Submit
memory/1560-79-0x0000000000410000-0x00000000004D5000-memory.dmp

Filesize
788KB

Download
memory/1560-71-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/1560-76-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/1560-78-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2304-105-0x0000000000A80000-0x0000000000B80000-memory.dmp

Filesize
1024KB

Download
memory/2652-20-0x0000000000790000-0x000000000082A000-memory.dmp

Filesize
616KB

Download
memory/2956-50-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2956-46-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2956-66-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2956-52-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/3568-181-0x0000000000A40000-0x0000000000B40000-memory.dmp

Filesize
1024KB

Download
memory/3868-127-0x0000000000AA0000-0x0000000000BA0000-memory.dmp

Filesize
1024KB

Download
memory/4184-5-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4184-6-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4184-17-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4184-3-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4184-4-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4500-1-0x0000000000620000-0x00000000006BF000-memory.dmp

Filesize
636KB

Download
memory/4500-2-0x0000000002250000-0x000000000236B000-memory.dmp

Filesize
1.1MB

Download
memory/4540-72-0x0000000000820000-0x0000000000920000-memory.dmp

Filesize
1024KB

Download
memory/4540-73-0x0000000000810000-0x0000000000814000-memory.dmp

Filesize
16KB

Download
memory/4548-37-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4548-34-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4548-23-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4548-36-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4548-63-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4548-29-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4548-30-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4548-24-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4548-53-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4548-22-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4608-153-0x0000000000AE0000-0x0000000000BE0000-memory.dmp

Filesize
1024KB

Download
memory/4892-51-0x00000000008F0000-0x0000000000920000-memory.dmp

Filesize
192KB

Download
memory/4892-49-0x00000000006B0000-0x00000000007B0000-memory.dmp

Filesize
1024KB

Download