djvu | f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c

Analysis

max time kernel
121s
max time network
125s
platform
windows10_x64
resource
win10-en-20211014
submitted
23-10-2021 12:40

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe
Size

855KB
MD5

e344d386c647ba1a7cee865ae84a5935
SHA1

a74974746a5d4f657dc31b183ebbbf1307efe6fb
SHA256

f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c
SHA512

bd0d98a0dc567b60e0e4d62ecf976456a680188cb452f44805c2efac9788b5a3e67c250cba724384edbb6766c675ff4072f454440381db78d5ac9114b7fbd016

Score

10^/10

djvu vidar 517 discovery persistence ransomware spyware stealer suricata

Malware Config

Extracted

Family

vidar

Version

41.5

Botnet

517

https://mas.to/@xeroxxx

Attributes

profile_id
517

Extracted

Family

djvu

http://rlrz.org/lancer

Signatures

Detected Djvu ransomware 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/3932-116-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3932-117-0x0000000000424141-mapping.dmp	family_djvu
behavioral1/memory/2640-118-0x0000000000BC0000-0x0000000000CDB000-memory.dmp	family_djvu
behavioral1/memory/3932-119-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2888-125-0x0000000000424141-mapping.dmp	family_djvu
behavioral1/memory/2888-130-0x0000000000400000-0x0000000000537000-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
suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
suricata
suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
suricata
suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
suricata
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
suricata

Vidar Stealer 5 IoCs

stealer

Processes:

resource	yara_rule
behavioral1/memory/576-138-0x0000000000400000-0x00000000004D9000-memory.dmp	family_vidar
behavioral1/memory/576-139-0x00000000004A18CD-mapping.dmp	family_vidar
behavioral1/memory/2816-141-0x0000000004BB0000-0x0000000004C86000-memory.dmp	family_vidar
behavioral1/memory/576-142-0x0000000000400000-0x00000000004D9000-memory.dmp	family_vidar
behavioral1/memory/3556-168-0x0000000003250000-0x000000000339A000-memory.dmp	family_vidar

Downloads MZ/PE file
Executes dropped EXE 8 IoCs

Processes:

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

pid process

2816 build2.exe
1496 build3.exe
576 build2.exe
2996 build3.exe
3556 mstsca.exe
3660 mstsca.exe
3028 mstsca.exe
1760 mstsca.exe
Loads dropped DLL 2 IoCs

Processes:

build2.exe

pid process

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

File Permissions Modification
T1222

Processes:

icacls.exe

pid process

1312 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
2816	build2.exe
1496	build3.exe
576	build2.exe
2996	build3.exe
3556	mstsca.exe
3660	mstsca.exe
3028	mstsca.exe
1760	mstsca.exe

pid	process
576	build2.exe
576	build2.exe

pid	process
1312	icacls.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\c68b1145-775b-4e23-856b-cfe6e194bda9\\f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe\" --AutoStart"	f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.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

13 api.2ip.ua
14 api.2ip.ua
19 api.2ip.ua

flow	ioc
13	api.2ip.ua
14	api.2ip.ua
19	api.2ip.ua

Suspicious use of SetThreadContext 6 IoCs

Processes:

f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exef252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exebuild2.exebuild3.exemstsca.exemstsca.exe

description	pid	process	target process
PID 2640 set thread context of 3932	2640	f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe	f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe
PID 372 set thread context of 2888	372	f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe	f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe
PID 2816 set thread context of 576	2816	build2.exe	build2.exe
PID 1496 set thread context of 2996	1496	build3.exe	build3.exe
PID 3556 set thread context of 3660	3556	mstsca.exe	mstsca.exe
PID 3028 set thread context of 1760	3028	mstsca.exe	mstsca.exe

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

System Information Discovery
T1082

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

400 schtasks.exe
1712 schtasks.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

2976 timeout.exe
Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

3068 taskkill.exe

pid	process
400	schtasks.exe
1712	schtasks.exe

pid	process
2976	timeout.exe

pid	process
3068	taskkill.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exef252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exebuild2.exe

pid	process
3932	f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe
3932	f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe
2888	f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe
2888	f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe
576	build2.exe
576	build2.exe
576	build2.exe
576	build2.exe
576	build2.exe
576	build2.exe
576	build2.exe
576	build2.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 3068 taskkill.exe

description	pid	process
Token: SeDebugPrivilege	3068	taskkill.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exef252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exef252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exef252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exebuild2.exebuild3.exebuild3.exebuild2.execmd.exemstsca.exe

description	pid	process	target process
PID 2640 wrote to memory of 3932	2640	f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe	f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe
PID 2640 wrote to memory of 3932	2640	f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe	f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe
PID 2640 wrote to memory of 3932	2640	f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe	f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe
PID 2640 wrote to memory of 3932	2640	f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe	f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe
PID 2640 wrote to memory of 3932	2640	f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe	f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe
PID 2640 wrote to memory of 3932	2640	f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe	f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe
PID 2640 wrote to memory of 3932	2640	f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe	f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe
PID 2640 wrote to memory of 3932	2640	f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe	f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe
PID 2640 wrote to memory of 3932	2640	f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe	f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe
PID 2640 wrote to memory of 3932	2640	f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe	f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe
PID 3932 wrote to memory of 1312	3932	f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe	icacls.exe
PID 3932 wrote to memory of 1312	3932	f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe	icacls.exe
PID 3932 wrote to memory of 1312	3932	f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe	icacls.exe
PID 3932 wrote to memory of 372	3932	f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe	f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe
PID 3932 wrote to memory of 372	3932	f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe	f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe
PID 3932 wrote to memory of 372	3932	f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe	f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe
PID 372 wrote to memory of 2888	372	f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe	f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe
PID 372 wrote to memory of 2888	372	f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe	f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe
PID 372 wrote to memory of 2888	372	f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe	f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe
PID 372 wrote to memory of 2888	372	f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe	f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe
PID 372 wrote to memory of 2888	372	f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe	f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe
PID 372 wrote to memory of 2888	372	f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe	f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe
PID 372 wrote to memory of 2888	372	f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe	f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe
PID 372 wrote to memory of 2888	372	f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe	f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe
PID 372 wrote to memory of 2888	372	f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe	f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe
PID 372 wrote to memory of 2888	372	f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe	f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe
PID 2888 wrote to memory of 2816	2888	f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe	build2.exe
PID 2888 wrote to memory of 2816	2888	f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe	build2.exe
PID 2888 wrote to memory of 2816	2888	f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe	build2.exe
PID 2888 wrote to memory of 1496	2888	f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe	build3.exe
PID 2888 wrote to memory of 1496	2888	f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe	build3.exe
PID 2888 wrote to memory of 1496	2888	f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe	build3.exe
PID 2816 wrote to memory of 576	2816	build2.exe	build2.exe
PID 2816 wrote to memory of 576	2816	build2.exe	build2.exe
PID 2816 wrote to memory of 576	2816	build2.exe	build2.exe
PID 2816 wrote to memory of 576	2816	build2.exe	build2.exe
PID 2816 wrote to memory of 576	2816	build2.exe	build2.exe
PID 2816 wrote to memory of 576	2816	build2.exe	build2.exe
PID 2816 wrote to memory of 576	2816	build2.exe	build2.exe
PID 2816 wrote to memory of 576	2816	build2.exe	build2.exe
PID 1496 wrote to memory of 2996	1496	build3.exe	build3.exe
PID 1496 wrote to memory of 2996	1496	build3.exe	build3.exe
PID 1496 wrote to memory of 2996	1496	build3.exe	build3.exe
PID 1496 wrote to memory of 2996	1496	build3.exe	build3.exe
PID 1496 wrote to memory of 2996	1496	build3.exe	build3.exe
PID 1496 wrote to memory of 2996	1496	build3.exe	build3.exe
PID 1496 wrote to memory of 2996	1496	build3.exe	build3.exe
PID 1496 wrote to memory of 2996	1496	build3.exe	build3.exe
PID 1496 wrote to memory of 2996	1496	build3.exe	build3.exe
PID 2996 wrote to memory of 400	2996	build3.exe	schtasks.exe
PID 2996 wrote to memory of 400	2996	build3.exe	schtasks.exe
PID 2996 wrote to memory of 400	2996	build3.exe	schtasks.exe
PID 576 wrote to memory of 1648	576	build2.exe	cmd.exe
PID 576 wrote to memory of 1648	576	build2.exe	cmd.exe
PID 576 wrote to memory of 1648	576	build2.exe	cmd.exe
PID 1648 wrote to memory of 3068	1648	cmd.exe	taskkill.exe
PID 1648 wrote to memory of 3068	1648	cmd.exe	taskkill.exe
PID 1648 wrote to memory of 3068	1648	cmd.exe	taskkill.exe
PID 1648 wrote to memory of 2976	1648	cmd.exe	timeout.exe
PID 1648 wrote to memory of 2976	1648	cmd.exe	timeout.exe
PID 1648 wrote to memory of 2976	1648	cmd.exe	timeout.exe
PID 3556 wrote to memory of 3660	3556	mstsca.exe	mstsca.exe
PID 3556 wrote to memory of 3660	3556	mstsca.exe	mstsca.exe
PID 3556 wrote to memory of 3660	3556	mstsca.exe	mstsca.exe

C:\Users\Admin\AppData\Local\Temp\f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe
"C:\Users\Admin\AppData\Local\Temp\f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2640

C:\Users\Admin\AppData\Local\Temp\f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe
"C:\Users\Admin\AppData\Local\Temp\f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe"
2⤵
- Adds Run key to start application
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3932

C:\Windows\SysWOW64\icacls.exe
icacls "C:\Users\Admin\AppData\Local\c68b1145-775b-4e23-856b-cfe6e194bda9" /deny *S-1-1-0:(OI)(CI)(DE,DC)
3⤵
- Modifies file permissions
PID:1312

C:\Users\Admin\AppData\Local\Temp\f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe
"C:\Users\Admin\AppData\Local\Temp\f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe" --Admin IsNotAutoStart IsNotTask
3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:372

C:\Users\Admin\AppData\Local\Temp\f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe
"C:\Users\Admin\AppData\Local\Temp\f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe" --Admin IsNotAutoStart IsNotTask
4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2888

C:\Users\Admin\AppData\Local\8f9525b5-c880-453d-8a94-ed6e3d46a95e\build2.exe
"C:\Users\Admin\AppData\Local\8f9525b5-c880-453d-8a94-ed6e3d46a95e\build2.exe"
5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2816

C:\Users\Admin\AppData\Local\8f9525b5-c880-453d-8a94-ed6e3d46a95e\build2.exe
"C:\Users\Admin\AppData\Local\8f9525b5-c880-453d-8a94-ed6e3d46a95e\build2.exe"
6⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:576

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im build2.exe /f & timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\8f9525b5-c880-453d-8a94-ed6e3d46a95e\build2.exe" & del C:\ProgramData\*.dll & exit
7⤵
- Suspicious use of WriteProcessMemory
PID:1648

C:\Windows\SysWOW64\taskkill.exe
taskkill /im build2.exe /f
8⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3068

C:\Windows\SysWOW64\timeout.exe
timeout /t 6
8⤵
- Delays execution with timeout.exe
PID:2976

C:\Users\Admin\AppData\Local\8f9525b5-c880-453d-8a94-ed6e3d46a95e\build3.exe
"C:\Users\Admin\AppData\Local\8f9525b5-c880-453d-8a94-ed6e3d46a95e\build3.exe"
5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1496

C:\Users\Admin\AppData\Local\8f9525b5-c880-453d-8a94-ed6e3d46a95e\build3.exe
"C:\Users\Admin\AppData\Local\8f9525b5-c880-453d-8a94-ed6e3d46a95e\build3.exe"
6⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2996

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:400

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:3556

C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
2⤵
- Executes dropped EXE
PID:3660

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:1712

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:3028

C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
2⤵
- Executes dropped EXE
PID:1760

Network

MITRE ATT&CK Matrix ATT&CK 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 Permissions Modification

T1222

Modify Registry

T1112

Install Root Certificate

T1130

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\ProgramData\freebl3.dll
MD5
ef2834ac4ee7d6724f255beaf527e635

SHA1
5be8c1e73a21b49f353c2ecfa4108e43a883cb7b

SHA256
a770ecba3b08bbabd0a567fc978e50615f8b346709f8eb3cfacf3faab24090ba

SHA512
c6ea0e4347cbd7ef5e80ae8c0afdca20ea23ac2bdd963361dfaf562a9aed58dcbc43f89dd826692a064d76c3f4b3e92361af7b79a6d16a75d9951591ae3544d2

Download Submit
C:\ProgramData\mozglue.dll
MD5
8f73c08a9660691143661bf7332c3c27

SHA1
37fa65dd737c50fda710fdbde89e51374d0c204a

SHA256
3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

SHA512
0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

Download Submit
C:\ProgramData\msvcp140.dll
MD5
109f0f02fd37c84bfc7508d4227d7ed5

SHA1
ef7420141bb15ac334d3964082361a460bfdb975

SHA256
334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4

SHA512
46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39

Download Submit
C:\ProgramData\nss3.dll
MD5
bfac4e3c5908856ba17d41edcd455a51

SHA1
8eec7e888767aa9e4cca8ff246eb2aacb9170428

SHA256
e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

SHA512
2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

Download Submit
C:\ProgramData\softokn3.dll
MD5
a2ee53de9167bf0d6c019303b7ca84e5

SHA1
2a3c737fa1157e8483815e98b666408a18c0db42

SHA256
43536adef2ddcc811c28d35fa6ce3031029a2424ad393989db36169ff2995083

SHA512
45b56432244f86321fa88fbcca6a0d2a2f7f4e0648c1d7d7b1866adc9daa5eddd9f6bb73662149f279c9ab60930dad1113c8337cb5e6ec9eed5048322f65f7d8

Download Submit
C:\ProgramData\vcruntime140.dll
MD5
7587bf9cb4147022cd5681b015183046

SHA1
f2106306a8f6f0da5afb7fc765cfa0757ad5a628

SHA256
c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

SHA512
0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
MD5
eb580dc014e8a0ba57b05717d9b2c7a1

SHA1
1b9f2cb35263b103d05af84a8b41f74186afed72

SHA256
59c9f91919d8cf9c0c8dd5089eb737460ee002f17bdc2cf90c4872263c426fd9

SHA512
ad031d69240c9e33faad5a7f07e5b524c06fb54f2360095f23a7accf28b17958fb52e40fb01f45498f8c19d00289f1f579b6cb995ec1ad6c468fd27aa33f16df

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
MD5
3168035090977b01e2b15a045297d6cd

SHA1
baec8a47d00d0904648b385aca5778d947456dc7

SHA256
e57b9ecf72046536715f2b8dfad9f0e5560d325149f0ac80598d2d7a5703744a

SHA512
377ac77af3dd55e07683a0ed76df64b517ead18a2ce278f5ca2db41fd5559e44a533ffb325e14ac34186ee03efc483c8841207da042cae3e9ea9ec3eacc63942

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
MD5
bf3940cdd032f0ad392a731675f00620

SHA1
d7706f4ebe890307625cdd8c68c2fb28031cb902

SHA256
2c8a4b993b9a61ff335178c01527ad7b4a0c535c41472dba3e0edbf5af27af53

SHA512
9fd3348b837851c3203d7cc41d2507e391f30765837e66ebd0bfbc00951e42612c68101f6ca84a7521de149a28f580ccc5e4f6e72ebf3a0b402aa40e024c63e2

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
MD5
aadc47d69be1019d06d98265ff148d3d

SHA1
59b3e82e175745eb85e896eb601a1da1445a10f7

SHA256
e9cde11c104f494dbbc40ef389f41c1f4beb2cb42f9aec14e42f05af0c74b2a4

SHA512
456cd694bf0bac3661760b2f78cd23d15fe8ee8b0efd0076f0afc5c1603336ea3e77f608717904fc879decad7c916cbba02b698f00fb213d4807384f840adf30

Download Submit
C:\Users\Admin\AppData\Local\8f9525b5-c880-453d-8a94-ed6e3d46a95e\build2.exe
MD5
a2ef57bbe3a8af95196a419a7962bfaa

SHA1
1a0c42723cd1e2e947f904619de7fcea5ca4a183

SHA256
4bc52cd8296fcffc22b5ca8ebf2b161260d71c8d34658f45c9c93cf6d65749e9

SHA512
ca4781632cc0fb2c53f1ae0d0b798da386514f58b6a48845197eea05da7af162405dee1d4b139e661798c29a095e50cdde9f193dea4a9c5366ee763a899ac160

Download Submit
C:\Users\Admin\AppData\Local\8f9525b5-c880-453d-8a94-ed6e3d46a95e\build2.exe
MD5
a2ef57bbe3a8af95196a419a7962bfaa

SHA1
1a0c42723cd1e2e947f904619de7fcea5ca4a183

SHA256
4bc52cd8296fcffc22b5ca8ebf2b161260d71c8d34658f45c9c93cf6d65749e9

SHA512
ca4781632cc0fb2c53f1ae0d0b798da386514f58b6a48845197eea05da7af162405dee1d4b139e661798c29a095e50cdde9f193dea4a9c5366ee763a899ac160

Download Submit
C:\Users\Admin\AppData\Local\8f9525b5-c880-453d-8a94-ed6e3d46a95e\build2.exe
MD5
a2ef57bbe3a8af95196a419a7962bfaa

SHA1
1a0c42723cd1e2e947f904619de7fcea5ca4a183

SHA256
4bc52cd8296fcffc22b5ca8ebf2b161260d71c8d34658f45c9c93cf6d65749e9

SHA512
ca4781632cc0fb2c53f1ae0d0b798da386514f58b6a48845197eea05da7af162405dee1d4b139e661798c29a095e50cdde9f193dea4a9c5366ee763a899ac160

Download Submit
C:\Users\Admin\AppData\Local\8f9525b5-c880-453d-8a94-ed6e3d46a95e\build3.exe
MD5
0fea771099e342facd95a9d659548919

SHA1
9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

SHA256
6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

SHA512
2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

Download Submit
C:\Users\Admin\AppData\Local\8f9525b5-c880-453d-8a94-ed6e3d46a95e\build3.exe
MD5
0fea771099e342facd95a9d659548919

SHA1
9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

SHA256
6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

SHA512
2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

Download Submit
C:\Users\Admin\AppData\Local\8f9525b5-c880-453d-8a94-ed6e3d46a95e\build3.exe
MD5
0fea771099e342facd95a9d659548919

SHA1
9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

SHA256
6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

SHA512
2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

Download Submit
C:\Users\Admin\AppData\Local\c68b1145-775b-4e23-856b-cfe6e194bda9\f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c.exe
MD5
e344d386c647ba1a7cee865ae84a5935

SHA1
a74974746a5d4f657dc31b183ebbbf1307efe6fb

SHA256
f252c8f217d7c486db4ef27bb7420962133eaec78f66cb312c075326e777440c

SHA512
bd0d98a0dc567b60e0e4d62ecf976456a680188cb452f44805c2efac9788b5a3e67c250cba724384edbb6766c675ff4072f454440381db78d5ac9114b7fbd016

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
MD5
0fea771099e342facd95a9d659548919

SHA1
9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

SHA256
6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

SHA512
2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
MD5
0fea771099e342facd95a9d659548919

SHA1
9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

SHA256
6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

SHA512
2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
MD5
0fea771099e342facd95a9d659548919

SHA1
9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

SHA256
6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

SHA512
2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
MD5
0fea771099e342facd95a9d659548919

SHA1
9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

SHA256
6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

SHA512
2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
MD5
0fea771099e342facd95a9d659548919

SHA1
9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

SHA256
6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

SHA512
2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

Download Submit
\ProgramData\mozglue.dll
MD5
8f73c08a9660691143661bf7332c3c27

SHA1
37fa65dd737c50fda710fdbde89e51374d0c204a

SHA256
3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

SHA512
0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

Download Submit
\ProgramData\nss3.dll
MD5
bfac4e3c5908856ba17d41edcd455a51

SHA1
8eec7e888767aa9e4cca8ff246eb2aacb9170428

SHA256
e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

SHA512
2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

Download Submit
memory/372-123-0x0000000000A78000-0x0000000000B0A000-memory.dmp

Filesize
584KB

Download
memory/372-122-0x0000000000000000-mapping.dmp

Download
memory/400-147-0x0000000000000000-mapping.dmp

Download
memory/576-142-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

Download
memory/576-139-0x00000000004A18CD-mapping.dmp

Download
memory/576-138-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

Download
memory/1312-120-0x0000000000000000-mapping.dmp

Download
memory/1496-143-0x0000000003449000-0x0000000003459000-memory.dmp

Filesize
64KB

Download
memory/1496-148-0x00000000032A0000-0x00000000032A4000-memory.dmp

Filesize
16KB

Download
memory/1496-135-0x0000000000000000-mapping.dmp

Download
memory/1648-152-0x0000000000000000-mapping.dmp

Download
memory/1712-167-0x0000000000000000-mapping.dmp

Download
memory/1760-172-0x0000000000401AFA-mapping.dmp

Download
memory/2640-118-0x0000000000BC0000-0x0000000000CDB000-memory.dmp

Filesize
1.1MB

Download
memory/2816-131-0x0000000000000000-mapping.dmp

Download
memory/2816-141-0x0000000004BB0000-0x0000000004C86000-memory.dmp

Filesize
856KB

Download
memory/2816-134-0x0000000003129000-0x00000000031A5000-memory.dmp

Filesize
496KB

Download
memory/2888-125-0x0000000000424141-mapping.dmp

Download
memory/2888-130-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2976-154-0x0000000000000000-mapping.dmp

Download
memory/2996-144-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2996-149-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2996-145-0x0000000000401AFA-mapping.dmp

Download
memory/3068-153-0x0000000000000000-mapping.dmp

Download
memory/3556-163-0x00000000034C9000-0x00000000034D9000-memory.dmp

Filesize
64KB

Download
memory/3556-168-0x0000000003250000-0x000000000339A000-memory.dmp

Filesize
1.3MB

Download
memory/3660-165-0x0000000000401AFA-mapping.dmp

Download
memory/3932-116-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3932-119-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3932-117-0x0000000000424141-mapping.dmp

Download