djvu | 51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008

Analysis

max time kernel
144s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
29-03-2023 10:24

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General

Target

51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe
Size

744KB
MD5

74ad1e20bb977655294af2b8918ad58c
SHA1

5a190a7beb9101c5179a8872e1f5f15d89311a23
SHA256

51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008
SHA512

0cad9b0c2d5fdb861b714a45d1db366123b4ffc3ffc627d12c39174796829030538ef62d37a2e4462a07be61766f8f6150cb4dd8922c65de83fbf8337b983688
SSDEEP

12288:gwSuPqDoxsUYFBZDKTJmJpwOXA/LvlaEzj/CT7CLPe9vU:glDoCDcJmJpwOXYjl/zSWLPaU

Score

10^/10

djvu vidar 5df88deb5dde677ba658b77ad5f60248 discovery persistence ransomware spyware stealer

Malware Config

Extracted

Family

djvu

http://zexeq.com/test2/get.php

Attributes

extension
.jywd
offline_id
MEMHlobHgXqvmTWaMsLcwGZhDOd00bblO1yevst1
payload_url
http://uaery.top/dl/build2.exe

http://zexeq.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-fkW8qLaCVQ 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: [email protected] Reserve e-mail address to contact us: [email protected] Your personal ID: 0675JOsie

rsa_pubkey.plain

Extracted

Family

vidar

Version

3.2

Botnet

5df88deb5dde677ba658b77ad5f60248

https://steamcommunity.com/profiles/76561199489580435

https://t.me/tabootalks

Attributes

profile_id_v2
5df88deb5dde677ba658b77ad5f60248
user_agent
Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36 OPR/91.0.4516.79

Signatures

Detected Djvu ransomware 16 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1328-134-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1328-135-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1924-136-0x0000000002350000-0x000000000246B000-memory.dmp	family_djvu
behavioral1/memory/1328-137-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1328-138-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1328-147-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3908-151-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3908-152-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3908-153-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3908-158-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3908-159-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3908-163-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3908-165-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3908-166-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3908-193-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3908-276-0x0000000000400000-0x0000000000537000-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

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:

51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Control Panel\International\Geo\Nation	51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Control Panel\International\Geo\Nation	51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe

Executes dropped EXE 4 IoCs

Processes:

build2.exebuild2.exebuild3.exemstsca.exe

pid process

3452 build2.exe
2668 build2.exe
536 build3.exe
1172 mstsca.exe
Loads dropped DLL 2 IoCs

Processes:

build2.exe

pid process

2668 build2.exe
2668 build2.exe
Modifies file permissions 1 TTPs 1 IoCs
discovery

File and Directory Permissions Modification
T1222

Processes:

icacls.exe

pid process

1652 icacls.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses 2FA software files, possible credential harvesting 2 TTPs
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081

pid	process
3452	build2.exe
2668	build2.exe
536	build3.exe
1172	mstsca.exe

pid	process
2668	build2.exe
2668	build2.exe

pid	process
1652	icacls.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\b48cc7c0-6536-45f2-a42f-2a316282eba8\\51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe\" --AutoStart"	51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
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

6 api.2ip.ua
7 api.2ip.ua
24 api.2ip.ua

flow	ioc
6	api.2ip.ua
7	api.2ip.ua
24	api.2ip.ua

Suspicious use of SetThreadContext 3 IoCs

Processes:

51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exebuild2.exe

description	pid	process	target process
PID 1924 set thread context of 1328	1924	51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe	51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe
PID 1028 set thread context of 3908	1028	51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe	51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe
PID 3452 set thread context of 2668	3452	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
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

64 2668 WerFault.exe build2.exe

pid	pid_target	process	target process
64	2668	WerFault.exe	build2.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

build2.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	build2.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	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
T1053

Processes:

schtasks.exeschtasks.exe

pid process

672 schtasks.exe
3056 schtasks.exe

pid	process
672	schtasks.exe
3056	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exebuild2.exe

pid	process
1328	51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe
1328	51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe
3908	51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe
3908	51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe
2668	build2.exe
2668	build2.exe

Suspicious use of WriteProcessMemory 47 IoCs

Processes:

51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exebuild2.exebuild3.exemstsca.exe

description	pid	process	target process
PID 1924 wrote to memory of 1328	1924	51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe	51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe
PID 1924 wrote to memory of 1328	1924	51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe	51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe
PID 1924 wrote to memory of 1328	1924	51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe	51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe
PID 1924 wrote to memory of 1328	1924	51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe	51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe
PID 1924 wrote to memory of 1328	1924	51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe	51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe
PID 1924 wrote to memory of 1328	1924	51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe	51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe
PID 1924 wrote to memory of 1328	1924	51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe	51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe
PID 1924 wrote to memory of 1328	1924	51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe	51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe
PID 1924 wrote to memory of 1328	1924	51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe	51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe
PID 1924 wrote to memory of 1328	1924	51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe	51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe
PID 1328 wrote to memory of 1652	1328	51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe	icacls.exe
PID 1328 wrote to memory of 1652	1328	51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe	icacls.exe
PID 1328 wrote to memory of 1652	1328	51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe	icacls.exe
PID 1328 wrote to memory of 1028	1328	51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe	51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe
PID 1328 wrote to memory of 1028	1328	51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe	51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe
PID 1328 wrote to memory of 1028	1328	51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe	51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe
PID 1028 wrote to memory of 3908	1028	51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe	51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe
PID 1028 wrote to memory of 3908	1028	51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe	51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe
PID 1028 wrote to memory of 3908	1028	51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe	51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe
PID 1028 wrote to memory of 3908	1028	51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe	51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe
PID 1028 wrote to memory of 3908	1028	51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe	51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe
PID 1028 wrote to memory of 3908	1028	51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe	51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe
PID 1028 wrote to memory of 3908	1028	51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe	51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe
PID 1028 wrote to memory of 3908	1028	51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe	51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe
PID 1028 wrote to memory of 3908	1028	51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe	51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe
PID 1028 wrote to memory of 3908	1028	51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe	51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe
PID 3908 wrote to memory of 3452	3908	51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe	build2.exe
PID 3908 wrote to memory of 3452	3908	51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe	build2.exe
PID 3908 wrote to memory of 3452	3908	51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe	build2.exe
PID 3452 wrote to memory of 2668	3452	build2.exe	build2.exe
PID 3452 wrote to memory of 2668	3452	build2.exe	build2.exe
PID 3452 wrote to memory of 2668	3452	build2.exe	build2.exe
PID 3452 wrote to memory of 2668	3452	build2.exe	build2.exe
PID 3452 wrote to memory of 2668	3452	build2.exe	build2.exe
PID 3452 wrote to memory of 2668	3452	build2.exe	build2.exe
PID 3452 wrote to memory of 2668	3452	build2.exe	build2.exe
PID 3452 wrote to memory of 2668	3452	build2.exe	build2.exe
PID 3452 wrote to memory of 2668	3452	build2.exe	build2.exe
PID 3908 wrote to memory of 536	3908	51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe	build3.exe
PID 3908 wrote to memory of 536	3908	51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe	build3.exe
PID 3908 wrote to memory of 536	3908	51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe	build3.exe
PID 536 wrote to memory of 672	536	build3.exe	schtasks.exe
PID 536 wrote to memory of 672	536	build3.exe	schtasks.exe
PID 536 wrote to memory of 672	536	build3.exe	schtasks.exe
PID 1172 wrote to memory of 3056	1172	mstsca.exe	schtasks.exe
PID 1172 wrote to memory of 3056	1172	mstsca.exe	schtasks.exe
PID 1172 wrote to memory of 3056	1172	mstsca.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe
"C:\Users\Admin\AppData\Local\Temp\51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1924

C:\Users\Admin\AppData\Local\Temp\51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe
"C:\Users\Admin\AppData\Local\Temp\51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe"
2⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1328

C:\Windows\SysWOW64\icacls.exe
icacls "C:\Users\Admin\AppData\Local\b48cc7c0-6536-45f2-a42f-2a316282eba8" /deny *S-1-1-0:(OI)(CI)(DE,DC)
3⤵
- Modifies file permissions
PID:1652

C:\Users\Admin\AppData\Local\Temp\51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe
"C:\Users\Admin\AppData\Local\Temp\51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe" --Admin IsNotAutoStart IsNotTask
3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1028

C:\Users\Admin\AppData\Local\Temp\51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe
"C:\Users\Admin\AppData\Local\Temp\51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe" --Admin IsNotAutoStart IsNotTask
4⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3908

C:\Users\Admin\AppData\Local\4ab8b258-7938-4090-a176-f05f8be6513c\build2.exe
"C:\Users\Admin\AppData\Local\4ab8b258-7938-4090-a176-f05f8be6513c\build2.exe"
5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3452

C:\Users\Admin\AppData\Local\4ab8b258-7938-4090-a176-f05f8be6513c\build2.exe
"C:\Users\Admin\AppData\Local\4ab8b258-7938-4090-a176-f05f8be6513c\build2.exe"
6⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:2668

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2668 -s 1740
7⤵
- Program crash
PID:64

C:\Users\Admin\AppData\Local\4ab8b258-7938-4090-a176-f05f8be6513c\build3.exe
"C:\Users\Admin\AppData\Local\4ab8b258-7938-4090-a176-f05f8be6513c\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:672

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 2668 -ip 2668
1⤵
PID:1108

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 WriteProcessMemory
PID:1172

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"
2⤵
- Creates scheduled task(s)
PID:3056

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

File and Directory Permissions Modification

T1222

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\mozglue.dll
Filesize
593KB

MD5
c8fd9be83bc728cc04beffafc2907fe9

SHA1
95ab9f701e0024cedfbd312bcfe4e726744c4f2e

SHA256
ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

SHA512
fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

Download Submit
C:\ProgramData\nss3.dll
Filesize
2.0MB

MD5
1cc453cdf74f31e4d913ff9c10acdde2

SHA1
6e85eae544d6e965f15fa5c39700fa7202f3aafe

SHA256
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

SHA512
dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
Filesize
2KB

MD5
e5b1cc0ae5af6a8277d75cff4af2c5e8

SHA1
4768fff3d4bbe02f89683b4a0e7b15b24b54eb9f

SHA256
d950c0d748aae641d71b11cd1c519b289917c23bee1a2b6bc5c496fd8e5d4655

SHA512
57a4737deeefac0124d73b52525993fecbbebd21a556ece87f8e79e845e07f037abb5e49f7458e8a010935c6691f18fbb913d77ecfb2ba902067788c483ec3d7

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
Filesize
1KB

MD5
3adac03b181d7980568dda0da0efc9de

SHA1
a283c4c9bd26a65b8240d21708e57f5946778341

SHA256
24c4973ced938b77d9670ac79eb76cd52411b17ab59ec78ba14c1b433f342933

SHA512
6fbd2a32fc18606628ea56311764cd879a1196405dddd4d269ad6163b2ffdcf916786f1c0328f27ec089be5cb9b4ecb3542363f4dfb3df1c1b91a0e038b67241

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
Filesize
488B

MD5
508a141e3b1e594e6a65f0296387d401

SHA1
1fdff54cc9f6bfdefefb6c9e89326e78a0ef3080

SHA256
bb28614dfc913e3bebf70a6a868a1a19926c5926d8458f6ba3e016a66ffce37a

SHA512
5efb11ba6e60d2a9debd87d212c0b998aec6c43db47da2bcc6f0b6986dcdb3322459570a889960b2979f2d99d4d5aef7be6a9056780cbbff002160c9969fa22d

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
Filesize
482B

MD5
fb5b5a6679272b0d086f9325c614c48c

SHA1
43092ec7c0375512af7170fde87eab7559659961

SHA256
e17ebea8446e404bb2c6a9f0a55882f087e69d9ce259429b63eb191570b884c9

SHA512
72094fedde4127784a09387b40693619155b2b3fc20b82b3d8d5620ab53a601a4f768662cb64354caca35a0a40fd5c6eca38e7c626e2e0a85cc74c2167c4e816

Download Submit
C:\Users\Admin\AppData\Local\4ab8b258-7938-4090-a176-f05f8be6513c\build2.exe
Filesize
416KB

MD5
aa18968e6cfbdc382ada6a3ed2852085

SHA1
4a41fa1a182916d5790aa2071106b3441d64468d

SHA256
c165c8db38ef8dd8c33d103b5ee78e9ddafd8081ff0c7c035fa5251f970e6cfb

SHA512
8ffdacca2b003438fd4874e7c88beedb6ad8cf9cd5b36fda5907751e06a85a829e7d9ce7335fb59590462f78054722bccba511b21db838368c661d993000a845

Download Submit
C:\Users\Admin\AppData\Local\4ab8b258-7938-4090-a176-f05f8be6513c\build2.exe
Filesize
416KB

MD5
aa18968e6cfbdc382ada6a3ed2852085

SHA1
4a41fa1a182916d5790aa2071106b3441d64468d

SHA256
c165c8db38ef8dd8c33d103b5ee78e9ddafd8081ff0c7c035fa5251f970e6cfb

SHA512
8ffdacca2b003438fd4874e7c88beedb6ad8cf9cd5b36fda5907751e06a85a829e7d9ce7335fb59590462f78054722bccba511b21db838368c661d993000a845

Download Submit
C:\Users\Admin\AppData\Local\4ab8b258-7938-4090-a176-f05f8be6513c\build2.exe
Filesize
416KB

MD5
aa18968e6cfbdc382ada6a3ed2852085

SHA1
4a41fa1a182916d5790aa2071106b3441d64468d

SHA256
c165c8db38ef8dd8c33d103b5ee78e9ddafd8081ff0c7c035fa5251f970e6cfb

SHA512
8ffdacca2b003438fd4874e7c88beedb6ad8cf9cd5b36fda5907751e06a85a829e7d9ce7335fb59590462f78054722bccba511b21db838368c661d993000a845

Download Submit
C:\Users\Admin\AppData\Local\4ab8b258-7938-4090-a176-f05f8be6513c\build2.exe
Filesize
416KB

MD5
aa18968e6cfbdc382ada6a3ed2852085

SHA1
4a41fa1a182916d5790aa2071106b3441d64468d

SHA256
c165c8db38ef8dd8c33d103b5ee78e9ddafd8081ff0c7c035fa5251f970e6cfb

SHA512
8ffdacca2b003438fd4874e7c88beedb6ad8cf9cd5b36fda5907751e06a85a829e7d9ce7335fb59590462f78054722bccba511b21db838368c661d993000a845

Download Submit
C:\Users\Admin\AppData\Local\4ab8b258-7938-4090-a176-f05f8be6513c\build3.exe
Filesize
9KB

MD5
9ead10c08e72ae41921191f8db39bc16

SHA1
abe3bce01cd34afc88e2c838173f8c2bd0090ae1

SHA256
8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

SHA512
aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

Download Submit
C:\Users\Admin\AppData\Local\4ab8b258-7938-4090-a176-f05f8be6513c\build3.exe
Filesize
9KB

MD5
9ead10c08e72ae41921191f8db39bc16

SHA1
abe3bce01cd34afc88e2c838173f8c2bd0090ae1

SHA256
8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

SHA512
aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

Download Submit
C:\Users\Admin\AppData\Local\4ab8b258-7938-4090-a176-f05f8be6513c\build3.exe
Filesize
9KB

MD5
9ead10c08e72ae41921191f8db39bc16

SHA1
abe3bce01cd34afc88e2c838173f8c2bd0090ae1

SHA256
8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

SHA512
aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

Download Submit
C:\Users\Admin\AppData\Local\b48cc7c0-6536-45f2-a42f-2a316282eba8\51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008.exe
Filesize
744KB

MD5
74ad1e20bb977655294af2b8918ad58c

SHA1
5a190a7beb9101c5179a8872e1f5f15d89311a23

SHA256
51d5b1949fc1361f4f268562261c4289ce5a4cca8921344f223f7f4e5e46b008

SHA512
0cad9b0c2d5fdb861b714a45d1db366123b4ffc3ffc627d12c39174796829030538ef62d37a2e4462a07be61766f8f6150cb4dd8922c65de83fbf8337b983688

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

MD5
9ead10c08e72ae41921191f8db39bc16

SHA1
abe3bce01cd34afc88e2c838173f8c2bd0090ae1

SHA256
8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

SHA512
aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

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

MD5
9ead10c08e72ae41921191f8db39bc16

SHA1
abe3bce01cd34afc88e2c838173f8c2bd0090ae1

SHA256
8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

SHA512
aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

Download Submit
memory/1328-138-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1328-135-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1328-137-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1328-134-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1328-147-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1924-136-0x0000000002350000-0x000000000246B000-memory.dmp

Filesize
1.1MB

Download
memory/2668-275-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/2668-178-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/2668-206-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/2668-182-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/2668-180-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/2668-183-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/2668-277-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/2668-274-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/3452-181-0x00000000047B0000-0x0000000004807000-memory.dmp

Filesize
348KB

Download
memory/3908-193-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3908-152-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3908-166-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3908-165-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3908-163-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3908-159-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3908-276-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3908-158-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3908-151-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3908-153-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download