djvu | ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b

General

Target

ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe
Size

841KB
MD5

a1216bce2dcf7c35dfe1ab2119579211
SHA1

00805f940cb220ab8045059236b11fb53fc5f3cd
SHA256

ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b
SHA512

41441e3ca447b81a3d9ccbd621377cdaecc97a5d5b7dc147912fa7ec9c3031a8eae772a63171aec8b5c8de4c48b3be9f9548ae9b25d15318ec4f88693c278e5f
SSDEEP

24576:xkNiZ23YYd1Bnds98hPQSc7KsgbIC+IG:xzZWY608RK7KsgkC+IG

Score

10^/10

djvu vidar 517 discovery persistence ransomware stealer

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.uyro
offline_id
HtkmULXEgJoZa495hFUJlvKCD0OwnxklbkoITjt1
payload_url
http://uaery.top/dl/build2.exe
http://fresherlights.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-5UcwRdS3ED 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@fishmail.top Reserve e-mail address to contact us: datarestorehelp@airmail.cc Your personal ID: 0609djfsieE

rsa_pubkey.plain

Extracted

Family

vidar

Version

56

Botnet

517

C2

https://t.me/asifrazatg

https://steamcommunity.com/profiles/76561199439929669

Attributes

profile_id
517

Signatures

Detected Djvu ransomware 9 IoCs

Processes:

resource	yara_rule
behavioral1/memory/4668-133-0x0000000000AD0000-0x0000000000BEB000-memory.dmp	family_djvu
behavioral1/memory/3712-135-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3712-136-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3712-137-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3712-138-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3712-142-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3276-146-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3276-147-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3276-149-0x0000000000400000-0x0000000000537000-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 4 IoCs

Processes:

build2.exebuild3.exebuild2.exemstsca.exe

pid process

4064 build2.exe
536 build3.exe
4812 build2.exe
3484 mstsca.exe

pid	process
4064	build2.exe
536	build3.exe
4812	build2.exe
3484	mstsca.exe

Checks computer location settings 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exeac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe

Modifies file permissions 1 TTPs 1 IoCs
discovery

File Permissions Modification
T1222

Processes:

icacls.exe

pid process

1532 icacls.exe

pid	process
1532	icacls.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\e5647da5-434f-4c10-b53f-3151d6cf0817\\ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe\" --AutoStart"	ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe

Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

46 api.2ip.ua
81 api.2ip.ua

flow	ioc
46	api.2ip.ua
81	api.2ip.ua

Suspicious use of SetThreadContext 3 IoCs

Processes:

ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exeac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exebuild2.exe

description	pid	process	target process
PID 4668 set thread context of 3712	4668	ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe	ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe
PID 688 set thread context of 3276	688	ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe	ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe
PID 4064 set thread context of 4812	4064	build2.exe	build2.exe

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

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

2720 schtasks.exe

pid	process
2720	schtasks.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exeac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe

pid	process
3712	ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe
3712	ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe
3276	ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe
3276	ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe

Suspicious use of WriteProcessMemory 44 IoCs

Processes:

ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exeac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exeac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exeac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exebuild3.exebuild2.exe

description	pid	process	target process
PID 4668 wrote to memory of 3712	4668	ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe	ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe
PID 4668 wrote to memory of 3712	4668	ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe	ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe
PID 4668 wrote to memory of 3712	4668	ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe	ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe
PID 4668 wrote to memory of 3712	4668	ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe	ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe
PID 4668 wrote to memory of 3712	4668	ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe	ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe
PID 4668 wrote to memory of 3712	4668	ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe	ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe
PID 4668 wrote to memory of 3712	4668	ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe	ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe
PID 4668 wrote to memory of 3712	4668	ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe	ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe
PID 4668 wrote to memory of 3712	4668	ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe	ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe
PID 4668 wrote to memory of 3712	4668	ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe	ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe
PID 3712 wrote to memory of 1532	3712	ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe	icacls.exe
PID 3712 wrote to memory of 1532	3712	ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe	icacls.exe
PID 3712 wrote to memory of 1532	3712	ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe	icacls.exe
PID 3712 wrote to memory of 688	3712	ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe	ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe
PID 3712 wrote to memory of 688	3712	ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe	ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe
PID 3712 wrote to memory of 688	3712	ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe	ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe
PID 688 wrote to memory of 3276	688	ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe	ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe
PID 688 wrote to memory of 3276	688	ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe	ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe
PID 688 wrote to memory of 3276	688	ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe	ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe
PID 688 wrote to memory of 3276	688	ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe	ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe
PID 688 wrote to memory of 3276	688	ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe	ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe
PID 688 wrote to memory of 3276	688	ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe	ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe
PID 688 wrote to memory of 3276	688	ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe	ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe
PID 688 wrote to memory of 3276	688	ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe	ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe
PID 688 wrote to memory of 3276	688	ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe	ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe
PID 688 wrote to memory of 3276	688	ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe	ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe
PID 3276 wrote to memory of 4064	3276	ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe	build2.exe
PID 3276 wrote to memory of 4064	3276	ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe	build2.exe
PID 3276 wrote to memory of 4064	3276	ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe	build2.exe
PID 3276 wrote to memory of 536	3276	ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe	build3.exe
PID 3276 wrote to memory of 536	3276	ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe	build3.exe
PID 3276 wrote to memory of 536	3276	ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe	build3.exe
PID 536 wrote to memory of 2720	536	build3.exe	schtasks.exe
PID 536 wrote to memory of 2720	536	build3.exe	schtasks.exe
PID 536 wrote to memory of 2720	536	build3.exe	schtasks.exe
PID 4064 wrote to memory of 4812	4064	build2.exe	build2.exe
PID 4064 wrote to memory of 4812	4064	build2.exe	build2.exe
PID 4064 wrote to memory of 4812	4064	build2.exe	build2.exe
PID 4064 wrote to memory of 4812	4064	build2.exe	build2.exe
PID 4064 wrote to memory of 4812	4064	build2.exe	build2.exe
PID 4064 wrote to memory of 4812	4064	build2.exe	build2.exe
PID 4064 wrote to memory of 4812	4064	build2.exe	build2.exe
PID 4064 wrote to memory of 4812	4064	build2.exe	build2.exe
PID 4064 wrote to memory of 4812	4064	build2.exe	build2.exe

C:\Users\Admin\AppData\Local\Temp\ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe
"C:\Users\Admin\AppData\Local\Temp\ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4668

C:\Users\Admin\AppData\Local\Temp\ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe
"C:\Users\Admin\AppData\Local\Temp\ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe"
2⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3712

C:\Windows\SysWOW64\icacls.exe
icacls "C:\Users\Admin\AppData\Local\e5647da5-434f-4c10-b53f-3151d6cf0817" /deny *S-1-1-0:(OI)(CI)(DE,DC)
3⤵
- Modifies file permissions
PID:1532

C:\Users\Admin\AppData\Local\Temp\ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe
"C:\Users\Admin\AppData\Local\Temp\ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe" --Admin IsNotAutoStart IsNotTask
3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:688

C:\Users\Admin\AppData\Local\Temp\ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe
"C:\Users\Admin\AppData\Local\Temp\ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe" --Admin IsNotAutoStart IsNotTask
4⤵
- Checks computer location settings
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3276

C:\Users\Admin\AppData\Local\b2a5425b-3f10-4c9f-906e-7a6ef2f58b82\build2.exe
"C:\Users\Admin\AppData\Local\b2a5425b-3f10-4c9f-906e-7a6ef2f58b82\build2.exe"
5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4064

C:\Users\Admin\AppData\Local\b2a5425b-3f10-4c9f-906e-7a6ef2f58b82\build2.exe
"C:\Users\Admin\AppData\Local\b2a5425b-3f10-4c9f-906e-7a6ef2f58b82\build2.exe"
6⤵
- Executes dropped EXE
PID:4812

C:\Users\Admin\AppData\Local\b2a5425b-3f10-4c9f-906e-7a6ef2f58b82\build3.exe
"C:\Users\Admin\AppData\Local\b2a5425b-3f10-4c9f-906e-7a6ef2f58b82\build3.exe"
5⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:536

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:2720

C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
1⤵
- Executes dropped EXE
PID:3484

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

File Permissions Modification

1

T1222

Modify Registry

2

T1112

Install Root Certificate

1

T1130

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\b2a5425b-3f10-4c9f-906e-7a6ef2f58b82\build2.exe
Filesize
258KB

MD5
b9212ded69fae1fa1fb5d6db46a9fb76

SHA1
58face4245646b1cd379ee49f03a701eab1642be

SHA256
7a087c1bcd038c61ddb0f634f9b21e6db9bed59842f19adeda48b49acb20e16f

SHA512
09cab8ccedb9e53d6d2725e8b9dbbe8fa9552607a58d89876b6539a6612b2e7ac0440ef281971bec9191510915fa6264048510add493e6a862b0d3b4f006e342

Download Submit
C:\Users\Admin\AppData\Local\b2a5425b-3f10-4c9f-906e-7a6ef2f58b82\build2.exe
Filesize
258KB

MD5
b9212ded69fae1fa1fb5d6db46a9fb76

SHA1
58face4245646b1cd379ee49f03a701eab1642be

SHA256
7a087c1bcd038c61ddb0f634f9b21e6db9bed59842f19adeda48b49acb20e16f

SHA512
09cab8ccedb9e53d6d2725e8b9dbbe8fa9552607a58d89876b6539a6612b2e7ac0440ef281971bec9191510915fa6264048510add493e6a862b0d3b4f006e342

Download Submit
C:\Users\Admin\AppData\Local\b2a5425b-3f10-4c9f-906e-7a6ef2f58b82\build2.exe
Filesize
258KB

MD5
b9212ded69fae1fa1fb5d6db46a9fb76

SHA1
58face4245646b1cd379ee49f03a701eab1642be

SHA256
7a087c1bcd038c61ddb0f634f9b21e6db9bed59842f19adeda48b49acb20e16f

SHA512
09cab8ccedb9e53d6d2725e8b9dbbe8fa9552607a58d89876b6539a6612b2e7ac0440ef281971bec9191510915fa6264048510add493e6a862b0d3b4f006e342

Download Submit
C:\Users\Admin\AppData\Local\b2a5425b-3f10-4c9f-906e-7a6ef2f58b82\build3.exe
Filesize
9KB

MD5
9ead10c08e72ae41921191f8db39bc16

SHA1
abe3bce01cd34afc88e2c838173f8c2bd0090ae1

SHA256
8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

SHA512
aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

Download Submit
C:\Users\Admin\AppData\Local\b2a5425b-3f10-4c9f-906e-7a6ef2f58b82\build3.exe
Filesize
9KB

MD5
9ead10c08e72ae41921191f8db39bc16

SHA1
abe3bce01cd34afc88e2c838173f8c2bd0090ae1

SHA256
8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

SHA512
aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

Download Submit
C:\Users\Admin\AppData\Local\e5647da5-434f-4c10-b53f-3151d6cf0817\ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.exe
Filesize
841KB

MD5
a1216bce2dcf7c35dfe1ab2119579211

SHA1
00805f940cb220ab8045059236b11fb53fc5f3cd

SHA256
ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b

SHA512
41441e3ca447b81a3d9ccbd621377cdaecc97a5d5b7dc147912fa7ec9c3031a8eae772a63171aec8b5c8de4c48b3be9f9548ae9b25d15318ec4f88693c278e5f

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
Filesize
9KB

MD5
9ead10c08e72ae41921191f8db39bc16

SHA1
abe3bce01cd34afc88e2c838173f8c2bd0090ae1

SHA256
8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

SHA512
aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

Download Submit
memory/536-153-0x0000000000000000-mapping.dmp

Download
memory/688-141-0x0000000000000000-mapping.dmp

Download
memory/688-145-0x0000000000A30000-0x0000000000AC2000-memory.dmp

Filesize
584KB

Download
memory/1532-139-0x0000000000000000-mapping.dmp

Download
memory/2720-156-0x0000000000000000-mapping.dmp

Download
memory/3276-143-0x0000000000000000-mapping.dmp

Download
memory/3276-146-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3276-147-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3276-149-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3712-137-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3712-142-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3712-138-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3712-136-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3712-135-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3712-134-0x0000000000000000-mapping.dmp

Download
memory/4064-150-0x0000000000000000-mapping.dmp

Download
memory/4064-160-0x000000000062E000-0x000000000065A000-memory.dmp

Filesize
176KB

Download
memory/4064-161-0x0000000000550000-0x000000000059B000-memory.dmp

Filesize
300KB

Download
memory/4668-132-0x00000000009C6000-0x0000000000A58000-memory.dmp

Filesize
584KB

Download
memory/4668-133-0x0000000000AD0000-0x0000000000BEB000-memory.dmp

Filesize
1.1MB

Download
memory/4812-157-0x0000000000000000-mapping.dmp

Download
memory/4812-158-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/4812-162-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/4812-163-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/4812-164-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/4812-165-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/4812-167-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads