djvu | 2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8

General

Target

2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe
Size

758KB
MD5

1fa9ad2e8e78a5cf27426d029449273f
SHA1

255b6aa9e61304b8b15fecbf3df63c25699dd895
SHA256

2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8
SHA512

52b7462f29e61a8350ffb24d83fc222640792ab4558de86c35fe1486ceb9c2b88b42463a074ce285ff5a5de562b93530a1bcd39791d3b7e223758aaa5ee31c95
SSDEEP

12288:53Q5t1+qoYYwwWcyAlK2YDgk3bLyD+AisxpEKYFu5JgEJ/Rb9c7PS3AkY7Foa7OL:5E+jMolZYDgab+3xiKYF+Jpbi7P0AkY5

Score

10^/10

djvu vidar 5739ef2bbcd39fcd59c5746bfe4238c5 discovery persistence ransomware stealer

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.vook
offline_id
1eSPzWRaNslCgtjBZfL5pzvovoiaVI4IZSnvAwt1
payload_url
http://sdfjhuz.com/dl/build2.exe
http://sajdfue.com/files/1/build3.exe
ransomnote
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rsa_pubkey.plain

Extracted

Family

vidar

Version

8.6

Botnet

5739ef2bbcd39fcd59c5746bfe4238c5

C2

https://steamcommunity.com/profiles/76561199658817715

https://t.me/sa9ok

Attributes

profile_id_v2
5739ef2bbcd39fcd59c5746bfe4238c5
user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36

Signatures

Detect Vidar Stealer 5 IoCs

stealer

Processes:

resource	yara_rule
behavioral2/memory/3140-49-0x0000000000400000-0x0000000000644000-memory.dmp	family_vidar_v7
behavioral2/memory/5028-53-0x00000000007E0000-0x0000000000811000-memory.dmp	family_vidar_v7
behavioral2/memory/3140-54-0x0000000000400000-0x0000000000644000-memory.dmp	family_vidar_v7
behavioral2/memory/3140-55-0x0000000000400000-0x0000000000644000-memory.dmp	family_vidar_v7
behavioral2/memory/3140-76-0x0000000000400000-0x0000000000644000-memory.dmp	family_vidar_v7

Detected Djvu ransomware 18 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3532-2-0x0000000002B20000-0x0000000002C3B000-memory.dmp	family_djvu
behavioral2/memory/1176-3-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1176-4-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1176-5-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1176-6-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1176-17-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4200-22-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4200-23-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4200-24-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4200-29-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4200-30-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4200-34-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4200-36-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4200-37-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/5028-52-0x0000000000840000-0x0000000000940000-memory.dmp	family_djvu
behavioral2/memory/4200-73-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4200-90-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3544-115-0x0000000000890000-0x0000000000990000-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 10 IoCs

Processes:

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

pid	process
5028	build2.exe
3140	build2.exe
3696	build3.exe
1892	build3.exe
3636	mstsca.exe
4476	mstsca.exe
3544	mstsca.exe
3376	mstsca.exe
1760	mstsca.exe
3596	mstsca.exe

Modifies file permissions 1 TTPs 1 IoCs
discovery

File and Directory Permissions Modification
T1222

Processes:

icacls.exe

pid process

5052 icacls.exe

pid	process
5052	icacls.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4280069375-290121026-380765049-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\70cea582-393c-454c-baa8-d207d5f9c158\\2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe\" --AutoStart"	2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.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
8 api.2ip.ua

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

Suspicious use of SetThreadContext 7 IoCs

Processes:

2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exebuild2.exebuild3.exemstsca.exemstsca.exemstsca.exe

description	pid	process	target process
PID 3532 set thread context of 1176	3532	2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe	2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe
PID 2696 set thread context of 4200	2696	2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe	2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe
PID 5028 set thread context of 3140	5028	build2.exe	build2.exe
PID 3696 set thread context of 1892	3696	build3.exe	build3.exe
PID 3636 set thread context of 4476	3636	mstsca.exe	mstsca.exe
PID 3544 set thread context of 3376	3544	mstsca.exe	mstsca.exe
PID 1760 set thread context of 3596	1760	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

1228 3140 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

4876 schtasks.exe
3964 schtasks.exe

pid	pid_target	process	target process
1228	3140	WerFault.exe	build2.exe

pid	process
4876	schtasks.exe
3964	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe

pid	process
1176	2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe
1176	2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe
4200	2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe
4200	2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exebuild2.exebuild3.exebuild3.exemstsca.exemstsca.exe

description	pid	process	target process
PID 3532 wrote to memory of 1176	3532	2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe	2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe
PID 3532 wrote to memory of 1176	3532	2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe	2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe
PID 3532 wrote to memory of 1176	3532	2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe	2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe
PID 3532 wrote to memory of 1176	3532	2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe	2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe
PID 3532 wrote to memory of 1176	3532	2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe	2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe
PID 3532 wrote to memory of 1176	3532	2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe	2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe
PID 3532 wrote to memory of 1176	3532	2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe	2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe
PID 3532 wrote to memory of 1176	3532	2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe	2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe
PID 3532 wrote to memory of 1176	3532	2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe	2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe
PID 3532 wrote to memory of 1176	3532	2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe	2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe
PID 1176 wrote to memory of 5052	1176	2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe	icacls.exe
PID 1176 wrote to memory of 5052	1176	2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe	icacls.exe
PID 1176 wrote to memory of 5052	1176	2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe	icacls.exe
PID 1176 wrote to memory of 2696	1176	2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe	2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe
PID 1176 wrote to memory of 2696	1176	2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe	2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe
PID 1176 wrote to memory of 2696	1176	2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe	2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe
PID 2696 wrote to memory of 4200	2696	2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe	2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe
PID 2696 wrote to memory of 4200	2696	2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe	2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe
PID 2696 wrote to memory of 4200	2696	2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe	2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe
PID 2696 wrote to memory of 4200	2696	2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe	2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe
PID 2696 wrote to memory of 4200	2696	2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe	2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe
PID 2696 wrote to memory of 4200	2696	2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe	2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe
PID 2696 wrote to memory of 4200	2696	2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe	2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe
PID 2696 wrote to memory of 4200	2696	2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe	2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe
PID 2696 wrote to memory of 4200	2696	2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe	2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe
PID 2696 wrote to memory of 4200	2696	2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe	2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe
PID 4200 wrote to memory of 5028	4200	2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe	build2.exe
PID 4200 wrote to memory of 5028	4200	2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe	build2.exe
PID 4200 wrote to memory of 5028	4200	2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe	build2.exe
PID 5028 wrote to memory of 3140	5028	build2.exe	build2.exe
PID 5028 wrote to memory of 3140	5028	build2.exe	build2.exe
PID 5028 wrote to memory of 3140	5028	build2.exe	build2.exe
PID 5028 wrote to memory of 3140	5028	build2.exe	build2.exe
PID 5028 wrote to memory of 3140	5028	build2.exe	build2.exe
PID 5028 wrote to memory of 3140	5028	build2.exe	build2.exe
PID 5028 wrote to memory of 3140	5028	build2.exe	build2.exe
PID 5028 wrote to memory of 3140	5028	build2.exe	build2.exe
PID 5028 wrote to memory of 3140	5028	build2.exe	build2.exe
PID 5028 wrote to memory of 3140	5028	build2.exe	build2.exe
PID 4200 wrote to memory of 3696	4200	2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe	build3.exe
PID 4200 wrote to memory of 3696	4200	2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe	build3.exe
PID 4200 wrote to memory of 3696	4200	2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe	build3.exe
PID 3696 wrote to memory of 1892	3696	build3.exe	build3.exe
PID 3696 wrote to memory of 1892	3696	build3.exe	build3.exe
PID 3696 wrote to memory of 1892	3696	build3.exe	build3.exe
PID 3696 wrote to memory of 1892	3696	build3.exe	build3.exe
PID 3696 wrote to memory of 1892	3696	build3.exe	build3.exe
PID 3696 wrote to memory of 1892	3696	build3.exe	build3.exe
PID 3696 wrote to memory of 1892	3696	build3.exe	build3.exe
PID 3696 wrote to memory of 1892	3696	build3.exe	build3.exe
PID 3696 wrote to memory of 1892	3696	build3.exe	build3.exe
PID 1892 wrote to memory of 4876	1892	build3.exe	schtasks.exe
PID 1892 wrote to memory of 4876	1892	build3.exe	schtasks.exe
PID 1892 wrote to memory of 4876	1892	build3.exe	schtasks.exe
PID 3636 wrote to memory of 4476	3636	mstsca.exe	mstsca.exe
PID 3636 wrote to memory of 4476	3636	mstsca.exe	mstsca.exe
PID 3636 wrote to memory of 4476	3636	mstsca.exe	mstsca.exe
PID 3636 wrote to memory of 4476	3636	mstsca.exe	mstsca.exe
PID 3636 wrote to memory of 4476	3636	mstsca.exe	mstsca.exe
PID 3636 wrote to memory of 4476	3636	mstsca.exe	mstsca.exe
PID 3636 wrote to memory of 4476	3636	mstsca.exe	mstsca.exe
PID 3636 wrote to memory of 4476	3636	mstsca.exe	mstsca.exe
PID 3636 wrote to memory of 4476	3636	mstsca.exe	mstsca.exe
PID 4476 wrote to memory of 3964	4476	mstsca.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe
"C:\Users\Admin\AppData\Local\Temp\2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3532

C:\Users\Admin\AppData\Local\Temp\2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe
"C:\Users\Admin\AppData\Local\Temp\2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1176

C:\Windows\SysWOW64\icacls.exe
icacls "C:\Users\Admin\AppData\Local\70cea582-393c-454c-baa8-d207d5f9c158" /deny *S-1-1-0:(OI)(CI)(DE,DC)
3⤵
- Modifies file permissions
PID:5052

C:\Users\Admin\AppData\Local\Temp\2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe
"C:\Users\Admin\AppData\Local\Temp\2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe" --Admin IsNotAutoStart IsNotTask
3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2696

C:\Users\Admin\AppData\Local\Temp\2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe
"C:\Users\Admin\AppData\Local\Temp\2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe" --Admin IsNotAutoStart IsNotTask
4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4200

C:\Users\Admin\AppData\Local\05eb17f8-657c-4639-b9af-0ce23dc8c408\build2.exe
"C:\Users\Admin\AppData\Local\05eb17f8-657c-4639-b9af-0ce23dc8c408\build2.exe"
5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5028

C:\Users\Admin\AppData\Local\05eb17f8-657c-4639-b9af-0ce23dc8c408\build2.exe
"C:\Users\Admin\AppData\Local\05eb17f8-657c-4639-b9af-0ce23dc8c408\build2.exe"
6⤵
- Executes dropped EXE
PID:3140

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3140 -s 2248
7⤵
- Program crash
PID:1228

C:\Users\Admin\AppData\Local\05eb17f8-657c-4639-b9af-0ce23dc8c408\build3.exe
"C:\Users\Admin\AppData\Local\05eb17f8-657c-4639-b9af-0ce23dc8c408\build3.exe"
5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3696

C:\Users\Admin\AppData\Local\05eb17f8-657c-4639-b9af-0ce23dc8c408\build3.exe
"C:\Users\Admin\AppData\Local\05eb17f8-657c-4639-b9af-0ce23dc8c408\build3.exe"
6⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1892

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:4876

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3140 -ip 3140
1⤵
PID:1924

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:3636

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:4476

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"
3⤵
- Creates scheduled task(s)
PID:3964

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:3544

C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
2⤵
- Executes dropped EXE
PID:3376

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:1760

C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
2⤵
- Executes dropped EXE
PID:3596

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

File and Directory Permissions Modification

1

T1222

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

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
f213915edaae28d50459918c3bb1de6d

SHA1
55c71f771f67ca04df6876eebc30453b328352fc

SHA256
e226380b93bacad0e4cb95ecb5369941396f49c3bd6c869367a2b840def41ee9

SHA512
1dd92cafe3c45c7739aaa3ede9868597f6a689bc221d18f69d7676f8f2323ced160a22e1df661413465544afe9620f34606078dcc6baf83125d912c768bd1303

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
725e59a45068479b418de18b8dd1db5b

SHA1
1c895aae90be7590bac2ae8900ab0b663337d347

SHA256
f27eba966609d8f8789d6c7e4a13c2c0370b8da13eb8662c32cfdc536326cc0e

SHA512
7e05b0aa083153954b12060517b18b248d546b233f44ba43f7f32a41b075f114677b84c0ee834f9aff7759b26be13f3764aa468f47c4931e8e43930b297d24d4

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

MD5
56a35332f12d7c38d991d2d0a01064ab

SHA1
8fa9b3be17f0f46931c4f7ac011f689c9c085787

SHA256
5f2b4c6a0ec9b016c81ff8a5dcef04dea428e9b62e13b525efa54f6f298eef4a

SHA512
4d113b57d6b702f05005b19e2afa13638e6c1a1faaa1f15b26cf8bb7e2dcd171f07ea1401b29cd9550c69c8730db6c534e69805a28eb1837b26b2aebd0995600

Download Submit
C:\Users\Admin\AppData\Local\05eb17f8-657c-4639-b9af-0ce23dc8c408\build2.exe
Filesize
277KB

MD5
8dae8b6a6be6e3527183594d1c26a2d3

SHA1
b87e40cee60869a36e79c88c8a3a34baf0bc4889

SHA256
afce72cd3bc717c784962083066e3ede2b0aaadbe0908ec7360096c923774fa5

SHA512
0bf065700db647efba39a13a58242a595907e6c11885575cf0bdad9e23ab40583c8a6535464e46d75d075e20d88b7a6305a761df9da787fdc8728483dd48f96e

Download Submit
C:\Users\Admin\AppData\Local\05eb17f8-657c-4639-b9af-0ce23dc8c408\build3.exe
Filesize
299KB

MD5
41b883a061c95e9b9cb17d4ca50de770

SHA1
1daf96ec21d53d9a4699cea9b4db08cda6fbb5ad

SHA256
fef2c8ca07c500e416fd7700a381c39899ee26ce1119f62e7c65cf922ce8b408

SHA512
cdd1bb3a36182575cd715a52815765161eeaa3849e72c1c2a9a4e84cc43af9f8ec4997e642702bb3de41f162d2e8fd8717f6f8302bba5306821ee4d155626319

Download Submit
C:\Users\Admin\AppData\Local\70cea582-393c-454c-baa8-d207d5f9c158\2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8.exe
Filesize
758KB

MD5
1fa9ad2e8e78a5cf27426d029449273f

SHA1
255b6aa9e61304b8b15fecbf3df63c25699dd895

SHA256
2f1423236641c619b68a50afe9444c09d97a5a3dd8523b9d636f436a46aab0a8

SHA512
52b7462f29e61a8350ffb24d83fc222640792ab4558de86c35fe1486ceb9c2b88b42463a074ce285ff5a5de562b93530a1bcd39791d3b7e223758aaa5ee31c95

Download Submit
memory/1176-5-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1176-17-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1176-3-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1176-4-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1176-6-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1760-136-0x0000000000A80000-0x0000000000B80000-memory.dmp

Filesize
1024KB

Download
memory/1892-87-0x0000000000410000-0x0000000000413000-memory.dmp

Filesize
12KB

Download
memory/1892-85-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/1892-84-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/1892-79-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2696-20-0x00000000027E0000-0x0000000002877000-memory.dmp

Filesize
604KB

Download
memory/3140-49-0x0000000000400000-0x0000000000644000-memory.dmp

Filesize
2.3MB

Download
memory/3140-55-0x0000000000400000-0x0000000000644000-memory.dmp

Filesize
2.3MB

Download
memory/3140-54-0x0000000000400000-0x0000000000644000-memory.dmp

Filesize
2.3MB

Download
memory/3140-76-0x0000000000400000-0x0000000000644000-memory.dmp

Filesize
2.3MB

Download
memory/3532-1-0x00000000029F0000-0x0000000002A8F000-memory.dmp

Filesize
636KB

Download
memory/3532-2-0x0000000002B20000-0x0000000002C3B000-memory.dmp

Filesize
1.1MB

Download
memory/3544-115-0x0000000000890000-0x0000000000990000-memory.dmp

Filesize
1024KB

Download
memory/3636-99-0x0000000000B10000-0x0000000000C10000-memory.dmp

Filesize
1024KB

Download
memory/3696-80-0x0000000000AB0000-0x0000000000BB0000-memory.dmp

Filesize
1024KB

Download
memory/3696-82-0x0000000000A50000-0x0000000000A54000-memory.dmp

Filesize
16KB

Download
memory/4200-23-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4200-73-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4200-37-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4200-36-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4200-34-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4200-30-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4200-90-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4200-29-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4200-24-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4200-22-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/5028-53-0x00000000007E0000-0x0000000000811000-memory.dmp

Filesize
196KB

Download
memory/5028-52-0x0000000000840000-0x0000000000940000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads