djvu | 97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98

Analysis

max time kernel
298s
max time network
298s
platform
windows10-1703_x64
resource
win10-20231215-en
resource tags

arch:x64arch:x86image:win10-20231215-enlocale:en-usos:windows10-1703-x64system
submitted
05-02-2024 04:56

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General

Target

97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe
Size

774KB
MD5

faf9bf89fd060a85d2fcc98e9d511a8b
SHA1

08d256665c3aa89eafa123cfb965c8c1b4b5f5d0
SHA256

97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98
SHA512

318bb22a79f511421f209f0ee1a8367addfa4c7355f4000bce80b2d18beab450d927c2910eb3f4f2e6f7b5924c623f531eb9c46c80e11123298af721054c4ba1
SSDEEP

12288:liIAA+MX6Cy84Yw54I1/MASK0k1sLYslK0ijkbHi/58P8agY56MJUG2:lpBU8nwN1/MASK0xLYHjAtP8aouUG

Score

10^/10

djvu discovery persistence ransomware

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

Signatures

Detected Djvu ransomware 20 IoCs

Processes:

resource	yara_rule
behavioral2/memory/308-1-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/308-4-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1064-3-0x00000000022B0000-0x00000000023CB000-memory.dmp	family_djvu
behavioral2/memory/308-5-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/308-6-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/308-17-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4624-22-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4624-24-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4624-23-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4624-29-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4624-30-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4624-34-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4624-36-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4624-37-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4624-41-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4624-45-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1264-86-0x00000000009C0000-0x0000000000AC0000-memory.dmp	family_djvu
behavioral2/memory/4476-116-0x00000000009C0000-0x0000000000AC0000-memory.dmp	family_djvu
behavioral2/memory/788-130-0x0000000000870000-0x0000000000970000-memory.dmp	family_djvu
behavioral2/memory/3724-150-0x0000000000920000-0x0000000000A20000-memory.dmp	family_djvu

Djvu Ransomware
Ransomware which is a variant of the STOP family.
ransomware djvu
Downloads MZ/PE file

Executes dropped EXE 12 IoCs

Processes:

build3.exebuild3.exemstsca.exemstsca.exemstsca.exemstsca.exemstsca.exemstsca.exemstsca.exemstsca.exemstsca.exemstsca.exe

pid	process
4164	build3.exe
4544	build3.exe
5072	mstsca.exe
4976	mstsca.exe
1264	mstsca.exe
4264	mstsca.exe
4476	mstsca.exe
2352	mstsca.exe
788	mstsca.exe
2476	mstsca.exe
3724	mstsca.exe
4236	mstsca.exe

Modifies file permissions 1 TTPs 1 IoCs
discovery

File and Directory Permissions Modification
T1222

Processes:

icacls.exe

pid process

5056 icacls.exe

pid	process
5056	icacls.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-33539905-3698238643-2080195461-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\d156e7b1-75b2-4d85-aa28-7bd2c86c5f80\\97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe\" --AutoStart"	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.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

2 api.2ip.ua
9 api.2ip.ua
1 api.2ip.ua

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

Suspicious use of SetThreadContext 8 IoCs

Processes:

97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exebuild3.exemstsca.exemstsca.exemstsca.exemstsca.exemstsca.exe

description	pid	process	target process
PID 1064 set thread context of 308	1064	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe
PID 3568 set thread context of 4624	3568	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe
PID 4164 set thread context of 4544	4164	build3.exe	build3.exe
PID 5072 set thread context of 4976	5072	mstsca.exe	mstsca.exe
PID 1264 set thread context of 4264	1264	mstsca.exe	mstsca.exe
PID 4476 set thread context of 2352	4476	mstsca.exe	mstsca.exe
PID 788 set thread context of 2476	788	mstsca.exe	mstsca.exe
PID 3724 set thread context of 4236	3724	mstsca.exe	mstsca.exe

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

System Information Discovery
T1082
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

600 schtasks.exe
4660 schtasks.exe

pid	process
600	schtasks.exe
4660	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe

pid	process
308	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe
308	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe
4624	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe
4624	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exebuild3.exebuild3.exemstsca.exemstsca.exemstsca.exemstsca.exe

description	pid	process	target process
PID 1064 wrote to memory of 308	1064	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe
PID 1064 wrote to memory of 308	1064	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe
PID 1064 wrote to memory of 308	1064	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe
PID 1064 wrote to memory of 308	1064	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe
PID 1064 wrote to memory of 308	1064	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe
PID 1064 wrote to memory of 308	1064	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe
PID 1064 wrote to memory of 308	1064	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe
PID 1064 wrote to memory of 308	1064	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe
PID 1064 wrote to memory of 308	1064	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe
PID 1064 wrote to memory of 308	1064	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe
PID 308 wrote to memory of 5056	308	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe	icacls.exe
PID 308 wrote to memory of 5056	308	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe	icacls.exe
PID 308 wrote to memory of 5056	308	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe	icacls.exe
PID 308 wrote to memory of 3568	308	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe
PID 308 wrote to memory of 3568	308	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe
PID 308 wrote to memory of 3568	308	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe
PID 3568 wrote to memory of 4624	3568	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe
PID 3568 wrote to memory of 4624	3568	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe
PID 3568 wrote to memory of 4624	3568	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe
PID 3568 wrote to memory of 4624	3568	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe
PID 3568 wrote to memory of 4624	3568	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe
PID 3568 wrote to memory of 4624	3568	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe
PID 3568 wrote to memory of 4624	3568	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe
PID 3568 wrote to memory of 4624	3568	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe
PID 3568 wrote to memory of 4624	3568	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe
PID 3568 wrote to memory of 4624	3568	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe
PID 4624 wrote to memory of 4164	4624	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe	build3.exe
PID 4624 wrote to memory of 4164	4624	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe	build3.exe
PID 4624 wrote to memory of 4164	4624	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe	build3.exe
PID 4164 wrote to memory of 4544	4164	build3.exe	build3.exe
PID 4164 wrote to memory of 4544	4164	build3.exe	build3.exe
PID 4164 wrote to memory of 4544	4164	build3.exe	build3.exe
PID 4164 wrote to memory of 4544	4164	build3.exe	build3.exe
PID 4164 wrote to memory of 4544	4164	build3.exe	build3.exe
PID 4164 wrote to memory of 4544	4164	build3.exe	build3.exe
PID 4164 wrote to memory of 4544	4164	build3.exe	build3.exe
PID 4164 wrote to memory of 4544	4164	build3.exe	build3.exe
PID 4164 wrote to memory of 4544	4164	build3.exe	build3.exe
PID 4544 wrote to memory of 4660	4544	build3.exe	schtasks.exe
PID 4544 wrote to memory of 4660	4544	build3.exe	schtasks.exe
PID 4544 wrote to memory of 4660	4544	build3.exe	schtasks.exe
PID 5072 wrote to memory of 4976	5072	mstsca.exe	mstsca.exe
PID 5072 wrote to memory of 4976	5072	mstsca.exe	mstsca.exe
PID 5072 wrote to memory of 4976	5072	mstsca.exe	mstsca.exe
PID 5072 wrote to memory of 4976	5072	mstsca.exe	mstsca.exe
PID 5072 wrote to memory of 4976	5072	mstsca.exe	mstsca.exe
PID 5072 wrote to memory of 4976	5072	mstsca.exe	mstsca.exe
PID 5072 wrote to memory of 4976	5072	mstsca.exe	mstsca.exe
PID 5072 wrote to memory of 4976	5072	mstsca.exe	mstsca.exe
PID 5072 wrote to memory of 4976	5072	mstsca.exe	mstsca.exe
PID 4976 wrote to memory of 600	4976	mstsca.exe	schtasks.exe
PID 4976 wrote to memory of 600	4976	mstsca.exe	schtasks.exe
PID 4976 wrote to memory of 600	4976	mstsca.exe	schtasks.exe
PID 1264 wrote to memory of 4264	1264	mstsca.exe	mstsca.exe
PID 1264 wrote to memory of 4264	1264	mstsca.exe	mstsca.exe
PID 1264 wrote to memory of 4264	1264	mstsca.exe	mstsca.exe
PID 1264 wrote to memory of 4264	1264	mstsca.exe	mstsca.exe
PID 1264 wrote to memory of 4264	1264	mstsca.exe	mstsca.exe
PID 1264 wrote to memory of 4264	1264	mstsca.exe	mstsca.exe
PID 1264 wrote to memory of 4264	1264	mstsca.exe	mstsca.exe
PID 1264 wrote to memory of 4264	1264	mstsca.exe	mstsca.exe
PID 1264 wrote to memory of 4264	1264	mstsca.exe	mstsca.exe
PID 4476 wrote to memory of 2352	4476	mstsca.exe	mstsca.exe
PID 4476 wrote to memory of 2352	4476	mstsca.exe	mstsca.exe

C:\Users\Admin\AppData\Local\Temp\97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe
"C:\Users\Admin\AppData\Local\Temp\97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1064

C:\Users\Admin\AppData\Local\Temp\97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe
"C:\Users\Admin\AppData\Local\Temp\97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:308

C:\Windows\SysWOW64\icacls.exe
icacls "C:\Users\Admin\AppData\Local\d156e7b1-75b2-4d85-aa28-7bd2c86c5f80" /deny *S-1-1-0:(OI)(CI)(DE,DC)
3⤵
- Modifies file permissions
PID:5056

C:\Users\Admin\AppData\Local\Temp\97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe
"C:\Users\Admin\AppData\Local\Temp\97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe" --Admin IsNotAutoStart IsNotTask
3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3568

C:\Users\Admin\AppData\Local\Temp\97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe
"C:\Users\Admin\AppData\Local\Temp\97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe" --Admin IsNotAutoStart IsNotTask
4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4624

C:\Users\Admin\AppData\Local\95d8db37-ebeb-4d53-9bf7-6d6726408a8b\build3.exe
"C:\Users\Admin\AppData\Local\95d8db37-ebeb-4d53-9bf7-6d6726408a8b\build3.exe"
5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4164

C:\Users\Admin\AppData\Local\95d8db37-ebeb-4d53-9bf7-6d6726408a8b\build3.exe
"C:\Users\Admin\AppData\Local\95d8db37-ebeb-4d53-9bf7-6d6726408a8b\build3.exe"
6⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4544

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:4660

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:5072

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:4976

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:600

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:1264

C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
2⤵
- Executes dropped EXE
PID:4264

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:4476

C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
2⤵
- Executes dropped EXE
PID:2352

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:788

C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
2⤵
- Executes dropped EXE
PID:2476

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:3724

C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
2⤵
- Executes dropped EXE
PID:4236

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
c59708a86e78530488f2356251e775a2

SHA1
17e33e077261cdd9e54d4e58dfb168f15ee93efb

SHA256
71719971666e64a4f767e8f9d0b52e822189c4bfb1fe449a0e7c8066c82813c2

SHA512
42afd4d2c791ea8cb239130cf4f4d43da0ec39c63049c56796e082282e2ba2f0cd0fd8934b7de3b359ca433b0609ad159fda6f92168168f2d4517f13fbbb3fbf

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
1fbaa461659e8c20fd751e8fbe4ec694

SHA1
2c4a29f53fd289c68120ba2d974ec0841f638c1f

SHA256
3765a7a2d8cfceee2027bbf9213f4c3ed4c116a70f4edcc048ab81d6029acb7a

SHA512
f465367204c63cb82ede5ee83573ebeb3ffe1ba01c263edad737e4f0505a388491377a7825c5758f4dd44a6a39d469ff6dae57cd41c58e1d244e013268a10074

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

MD5
7659d5d28794e1260f23092ded2ddad2

SHA1
8727507d3cf4d36129fee9af3e6a7770c3a264ce

SHA256
3799a6830e0ee6e014023a514ac0b2894874a7fe2fdfd0bf9c660506c28ca8f5

SHA512
dc382010be57bd3ea5fb176e0a3ce5a7fba54f05086f07ddbdf1727a3cb1e37146d72acb48a51840ab9a40c87beb6b616442b2d547a0ea3d5d81bcefb5019dad

Download Submit
C:\Users\Admin\AppData\Local\95d8db37-ebeb-4d53-9bf7-6d6726408a8b\build3.exe
Filesize
234KB

MD5
808ff087d79b069282b45d1b91055379

SHA1
3b7e2316b09d7d19947e175da1654f48e2ee03f2

SHA256
44f42d2d868ec306b46687bffa8294bf04aab5255f753bd6ac016cae81f2f601

SHA512
173175497a02def3bd5b5d7f25731ee2f9d7c2f874bfc36babd442db0e473fc4add5874cc4e5a14d219e4a71e422d88bab4258520067d98667f67ac726f75125

Download Submit
C:\Users\Admin\AppData\Local\95d8db37-ebeb-4d53-9bf7-6d6726408a8b\build3.exe
Filesize
299KB

MD5
41b883a061c95e9b9cb17d4ca50de770

SHA1
1daf96ec21d53d9a4699cea9b4db08cda6fbb5ad

SHA256
fef2c8ca07c500e416fd7700a381c39899ee26ce1119f62e7c65cf922ce8b408

SHA512
cdd1bb3a36182575cd715a52815765161eeaa3849e72c1c2a9a4e84cc43af9f8ec4997e642702bb3de41f162d2e8fd8717f6f8302bba5306821ee4d155626319

Download Submit
C:\Users\Admin\AppData\Local\d156e7b1-75b2-4d85-aa28-7bd2c86c5f80\97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe
Filesize
331KB

MD5
2423814079cc27116887035d2c163fa6

SHA1
a849d273a2c9cc7acf9e25cb660af2d1d57e4c86

SHA256
cffa7a052c59820e51fbc7e15ca20c363445dc8ceac41a1c0310fd093a52bad3

SHA512
697e4963b552587940226875274c7021f78ae79b2e5daf07b3b4271ff82dd62b6a112439b3d7a109c01d968ad88295820516196bbb07abffb090a7eff8d804d4

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
Filesize
121KB

MD5
c62f85c34c85c0adc2e37f1ac522c3bf

SHA1
25207d52bc13447fe99ea086d8eb0d0deff0883e

SHA256
1b823fffebed13577b9ccc8f113b013cd38b197c7ae5789ab418d95113e154f6

SHA512
54efe421934e70e3ccbae3d967c2feb408569fe9e9745422027e70dc903afbc35f8f5e68c23a431bf9644838a014a28dfbeef2a93f027104b74088c6bcf423a5

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
Filesize
173KB

MD5
de561f7b19bbdce2666c62f5f2d4055b

SHA1
cff99b58222d92ffed48d0e1305445b6e025f27c

SHA256
eba2c9a6869ca16695dfbff3f6fef7950e622eba020235a58956c6cd9da51a71

SHA512
5755be6b7116ece38e6e12b73e8be5f846167bf025402b88b988be3ec6462c559845cb95d33ea72f58c58665c4432b457f049c5c3ff1f174d63e19894e31fc9e

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
Filesize
293KB

MD5
0b142b104090d42c3d83587768c91b4c

SHA1
231505205c6411ebd56bc3dcc37240f915b828c9

SHA256
2e94bc96ec9e11f1daf64be8a026d4fca439180b6047fc859fdb1cd81963500b

SHA512
2206914fcdb9bb7081e2acecb75839eed7f6457b373110a19458aef8a3fc6afff8a9dac99d1bc58b52495c504429a6573e7c44093d3129aed8a7d79aecd97f32

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
Filesize
86KB

MD5
0453b31c6408b0603050cbaaff91aa93

SHA1
7ab7a250b86a0dbc81c597ba161baa71eff8539e

SHA256
46a0aacf05a0ceda635a91b7f3ff643fa28d61d852b7b2cec64c71773ea177a9

SHA512
e9825d3c3431c77c43557a61436d885a88aba8897ad11a66daa3dd643ecfa0bcdcd009efd608f8acb63ebcb299385ab4bd5b55c66df262dad30a3337023558ac

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
Filesize
34KB

MD5
c14eb8eef5d2a845b596a138ebd45be1

SHA1
7def9ebfefd840814db9109715c1d3880f6a74c5

SHA256
5047e61c62c29d7b3daa363329c6bf7be28b1fe16fb078f3eb14d1e4d268433b

SHA512
af21fa2c22bae6e8e61f8a201122ac7f762a2668da219c460f98d7ec5a3165686c3cb2f10e6190586f1837526e795dc4eb111c0bb380028d007ad3ab99f7bb94

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
Filesize
62KB

MD5
30dfc5394ed9712cce1961fdd3a21fb2

SHA1
a90935a394d32447c165c1ac57bc58a89d568a71

SHA256
b13474de7b3fc3c9c4ba738cb635ca5c15735b696aec4846d336ff83139f0a51

SHA512
0cd56f060d608223d15d969c1006c08f5c935c92563a2f45c71de24e3034559f38e720fa6df042e8926f5d64b5b870b87312302654a31c827ca67f4a89e1a834

Download Submit
memory/308-6-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/308-1-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/308-17-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/308-5-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/308-4-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/788-130-0x0000000000870000-0x0000000000970000-memory.dmp

Filesize
1024KB

Download
memory/1064-2-0x0000000001FD0000-0x0000000002071000-memory.dmp

Filesize
644KB

Download
memory/1064-3-0x00000000022B0000-0x00000000023CB000-memory.dmp

Filesize
1.1MB

Download
memory/1264-86-0x00000000009C0000-0x0000000000AC0000-memory.dmp

Filesize
1024KB

Download
memory/2352-110-0x0000000000410000-0x00000000004D5000-memory.dmp

Filesize
788KB

Download
memory/3568-20-0x0000000002170000-0x000000000220E000-memory.dmp

Filesize
632KB

Download
memory/3724-150-0x0000000000920000-0x0000000000A20000-memory.dmp

Filesize
1024KB

Download
memory/4164-52-0x0000000000920000-0x0000000000924000-memory.dmp

Filesize
16KB

Download
memory/4164-51-0x0000000000A40000-0x0000000000B40000-memory.dmp

Filesize
1024KB

Download
memory/4476-108-0x00000000009C0000-0x0000000000AC0000-memory.dmp

Filesize
1024KB

Download
memory/4476-116-0x00000000009C0000-0x0000000000AC0000-memory.dmp

Filesize
1024KB

Download
memory/4544-48-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4544-55-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4544-53-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4624-24-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4624-45-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4624-41-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4624-37-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4624-36-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4624-34-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4624-30-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4624-29-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4624-23-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4624-22-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/5072-66-0x0000000000AF0000-0x0000000000BF0000-memory.dmp

Filesize
1024KB

Download