djvu | 40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a

Analysis

max time kernel
120s
max time network
137s
platform
windows10_x64
resource
win10-en-20210920
submitted
21-10-2021 02:11

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe
Size

780KB
MD5

468e14503ccc7db47f87533c9a4147f7
SHA1

5ad83d44064214d0d32b6bba580d76d54b404a9b
SHA256

40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a
SHA512

4b7f0a135059ed177fa692dedf697d6941b50bacf32613e07a55b9c743a10ddf2a11a6e5fd4ea8b0b475755bb896d6ce1494d5b3eb219c913cc7be79c43200e1

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/fhsgtsspen6

Signatures

Detected Djvu ransomware 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2132-116-0x0000000004E90000-0x0000000004FAB000-memory.dmp	family_djvu
behavioral1/memory/3112-117-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3112-118-0x0000000000424141-mapping.dmp	family_djvu
behavioral1/memory/3112-120-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1144-124-0x0000000000424141-mapping.dmp	family_djvu
behavioral1/memory/1144-129-0x0000000000400000-0x0000000000537000-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/3860-138-0x00000000004A18CD-mapping.dmp	family_vidar
behavioral1/memory/3860-137-0x0000000000400000-0x00000000004D9000-memory.dmp	family_vidar
behavioral1/memory/3860-146-0x0000000000400000-0x00000000004D9000-memory.dmp	family_vidar
behavioral1/memory/624-145-0x0000000004D60000-0x0000000004E36000-memory.dmp	family_vidar
behavioral1/memory/2196-147-0x0000000003250000-0x000000000339A000-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

624 build2.exe
2196 build3.exe
3860 build2.exe
2492 build3.exe
2092 mstsca.exe
3684 mstsca.exe
2932 mstsca.exe
4024 mstsca.exe
Loads dropped DLL 2 IoCs

Processes:

build2.exe

pid process

3860 build2.exe
3860 build2.exe
Modifies file permissions 1 TTPs 1 IoCs
discovery

File Permissions Modification
T1222

Processes:

icacls.exe

pid process

2412 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
624	build2.exe
2196	build3.exe
3860	build2.exe
2492	build3.exe
2092	mstsca.exe
3684	mstsca.exe
2932	mstsca.exe
4024	mstsca.exe

pid	process
3860	build2.exe
3860	build2.exe

pid	process
2412	icacls.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\adf9e0d8-967d-44eb-9533-bfc1d04c7533\\40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe\" --AutoStart"	40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.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

19 api.2ip.ua
20 api.2ip.ua
33 api.2ip.ua

flow	ioc
19	api.2ip.ua
20	api.2ip.ua
33	api.2ip.ua

Suspicious use of SetThreadContext 6 IoCs

Processes:

40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exebuild2.exebuild3.exemstsca.exemstsca.exe

description	pid	process	target process
PID 2132 set thread context of 3112	2132	40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe	40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe
PID 608 set thread context of 1144	608	40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe	40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe
PID 624 set thread context of 3860	624	build2.exe	build2.exe
PID 2196 set thread context of 2492	2196	build3.exe	build3.exe
PID 2092 set thread context of 3684	2092	mstsca.exe	mstsca.exe
PID 2932 set thread context of 4024	2932	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

1512 schtasks.exe
3120 schtasks.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

920 timeout.exe
Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

3724 taskkill.exe

pid	process
1512	schtasks.exe
3120	schtasks.exe

pid	process
920	timeout.exe

pid	process
3724	taskkill.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exebuild2.exe

pid	process
3112	40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe
3112	40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe
1144	40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe
1144	40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe
3860	build2.exe
3860	build2.exe
3860	build2.exe
3860	build2.exe
3860	build2.exe
3860	build2.exe
3860	build2.exe
3860	build2.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 3724 taskkill.exe

description	pid	process
Token: SeDebugPrivilege	3724	taskkill.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exebuild2.exebuild3.exebuild3.exebuild2.execmd.exemstsca.exe

description	pid	process	target process
PID 2132 wrote to memory of 3112	2132	40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe	40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe
PID 2132 wrote to memory of 3112	2132	40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe	40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe
PID 2132 wrote to memory of 3112	2132	40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe	40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe
PID 2132 wrote to memory of 3112	2132	40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe	40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe
PID 2132 wrote to memory of 3112	2132	40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe	40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe
PID 2132 wrote to memory of 3112	2132	40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe	40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe
PID 2132 wrote to memory of 3112	2132	40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe	40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe
PID 2132 wrote to memory of 3112	2132	40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe	40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe
PID 2132 wrote to memory of 3112	2132	40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe	40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe
PID 2132 wrote to memory of 3112	2132	40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe	40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe
PID 3112 wrote to memory of 2412	3112	40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe	icacls.exe
PID 3112 wrote to memory of 2412	3112	40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe	icacls.exe
PID 3112 wrote to memory of 2412	3112	40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe	icacls.exe
PID 3112 wrote to memory of 608	3112	40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe	40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe
PID 3112 wrote to memory of 608	3112	40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe	40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe
PID 3112 wrote to memory of 608	3112	40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe	40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe
PID 608 wrote to memory of 1144	608	40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe	40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe
PID 608 wrote to memory of 1144	608	40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe	40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe
PID 608 wrote to memory of 1144	608	40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe	40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe
PID 608 wrote to memory of 1144	608	40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe	40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe
PID 608 wrote to memory of 1144	608	40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe	40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe
PID 608 wrote to memory of 1144	608	40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe	40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe
PID 608 wrote to memory of 1144	608	40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe	40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe
PID 608 wrote to memory of 1144	608	40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe	40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe
PID 608 wrote to memory of 1144	608	40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe	40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe
PID 608 wrote to memory of 1144	608	40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe	40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe
PID 1144 wrote to memory of 624	1144	40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe	build2.exe
PID 1144 wrote to memory of 624	1144	40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe	build2.exe
PID 1144 wrote to memory of 624	1144	40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe	build2.exe
PID 1144 wrote to memory of 2196	1144	40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe	build3.exe
PID 1144 wrote to memory of 2196	1144	40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe	build3.exe
PID 1144 wrote to memory of 2196	1144	40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe	build3.exe
PID 624 wrote to memory of 3860	624	build2.exe	build2.exe
PID 624 wrote to memory of 3860	624	build2.exe	build2.exe
PID 624 wrote to memory of 3860	624	build2.exe	build2.exe
PID 624 wrote to memory of 3860	624	build2.exe	build2.exe
PID 624 wrote to memory of 3860	624	build2.exe	build2.exe
PID 624 wrote to memory of 3860	624	build2.exe	build2.exe
PID 624 wrote to memory of 3860	624	build2.exe	build2.exe
PID 624 wrote to memory of 3860	624	build2.exe	build2.exe
PID 2196 wrote to memory of 2492	2196	build3.exe	build3.exe
PID 2196 wrote to memory of 2492	2196	build3.exe	build3.exe
PID 2196 wrote to memory of 2492	2196	build3.exe	build3.exe
PID 2196 wrote to memory of 2492	2196	build3.exe	build3.exe
PID 2196 wrote to memory of 2492	2196	build3.exe	build3.exe
PID 2196 wrote to memory of 2492	2196	build3.exe	build3.exe
PID 2196 wrote to memory of 2492	2196	build3.exe	build3.exe
PID 2196 wrote to memory of 2492	2196	build3.exe	build3.exe
PID 2196 wrote to memory of 2492	2196	build3.exe	build3.exe
PID 2492 wrote to memory of 1512	2492	build3.exe	schtasks.exe
PID 2492 wrote to memory of 1512	2492	build3.exe	schtasks.exe
PID 2492 wrote to memory of 1512	2492	build3.exe	schtasks.exe
PID 3860 wrote to memory of 2384	3860	build2.exe	cmd.exe
PID 3860 wrote to memory of 2384	3860	build2.exe	cmd.exe
PID 3860 wrote to memory of 2384	3860	build2.exe	cmd.exe
PID 2384 wrote to memory of 3724	2384	cmd.exe	taskkill.exe
PID 2384 wrote to memory of 3724	2384	cmd.exe	taskkill.exe
PID 2384 wrote to memory of 3724	2384	cmd.exe	taskkill.exe
PID 2384 wrote to memory of 920	2384	cmd.exe	timeout.exe
PID 2384 wrote to memory of 920	2384	cmd.exe	timeout.exe
PID 2384 wrote to memory of 920	2384	cmd.exe	timeout.exe
PID 2092 wrote to memory of 3684	2092	mstsca.exe	mstsca.exe
PID 2092 wrote to memory of 3684	2092	mstsca.exe	mstsca.exe
PID 2092 wrote to memory of 3684	2092	mstsca.exe	mstsca.exe

C:\Users\Admin\AppData\Local\Temp\40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe
"C:\Users\Admin\AppData\Local\Temp\40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2132

C:\Users\Admin\AppData\Local\Temp\40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe
"C:\Users\Admin\AppData\Local\Temp\40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe"
2⤵
- Adds Run key to start application
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3112

C:\Windows\SysWOW64\icacls.exe
icacls "C:\Users\Admin\AppData\Local\adf9e0d8-967d-44eb-9533-bfc1d04c7533" /deny *S-1-1-0:(OI)(CI)(DE,DC)
3⤵
- Modifies file permissions
PID:2412

C:\Users\Admin\AppData\Local\Temp\40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe
"C:\Users\Admin\AppData\Local\Temp\40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe" --Admin IsNotAutoStart IsNotTask
3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:608

C:\Users\Admin\AppData\Local\Temp\40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe
"C:\Users\Admin\AppData\Local\Temp\40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe" --Admin IsNotAutoStart IsNotTask
4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1144

C:\Users\Admin\AppData\Local\0926edbc-16fb-4d23-9097-f4176e2ad541\build2.exe
"C:\Users\Admin\AppData\Local\0926edbc-16fb-4d23-9097-f4176e2ad541\build2.exe"
5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:624

C:\Users\Admin\AppData\Local\0926edbc-16fb-4d23-9097-f4176e2ad541\build2.exe
"C:\Users\Admin\AppData\Local\0926edbc-16fb-4d23-9097-f4176e2ad541\build2.exe"
6⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3860

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\0926edbc-16fb-4d23-9097-f4176e2ad541\build2.exe" & del C:\ProgramData\*.dll & exit
7⤵
- Suspicious use of WriteProcessMemory
PID:2384

C:\Windows\SysWOW64\taskkill.exe
taskkill /im build2.exe /f
8⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3724

C:\Windows\SysWOW64\timeout.exe
timeout /t 6
8⤵
- Delays execution with timeout.exe
PID:920

C:\Users\Admin\AppData\Local\0926edbc-16fb-4d23-9097-f4176e2ad541\build3.exe
"C:\Users\Admin\AppData\Local\0926edbc-16fb-4d23-9097-f4176e2ad541\build3.exe"
5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2196

C:\Users\Admin\AppData\Local\0926edbc-16fb-4d23-9097-f4176e2ad541\build3.exe
"C:\Users\Admin\AppData\Local\0926edbc-16fb-4d23-9097-f4176e2ad541\build3.exe"
6⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2492

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:1512

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:2092

C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
2⤵
- Executes dropped EXE
PID:3684

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:3120

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:2932

C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
2⤵
- Executes dropped EXE
PID:4024

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
3183751859498c44f6d0ee8e2aab2c17

SHA1
3948927d001256209b5e4b25003c3c4ccb9ad6bc

SHA256
fd7b40ffbaccd347c4daa2d0530a3b74114fcb55c78423d67750a8be92c70a28

SHA512
88de4b4c2818650f7080a9afdcbe8764f1604bbf77f08f2ce286beb5a00e6cb30352f6180f64e7b5d9790a1e5ebefde6e62d8221e55228942d5652a1e0cd4fa6

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
MD5
98a2414b3a6062f69b5e91e8ef853e60

SHA1
a7c76d8cc77cc535d73bc6b0ee4f64527572145d

SHA256
cea0b3398c3a6ac31f4582a21afb131878dfd3e489d101af94fd3d682000dba3

SHA512
d186ac4f87a04cc56d2a120d1aa7d96f1574ac7353a7d8b237452260f11a3ebfadb556eb46ee894c75ae1bdc6dae480599c6109eb25873074546847d158dddda

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
MD5
481b300cc03ffd824e68633d80671b15

SHA1
7493dcd82aa4d77cf74063b509d1b959f250988d

SHA256
3bb7d367b34033b2a07f9e09d996e862cdca5763d85041f7b8fa2b73a3ea518c

SHA512
969cce0f2389b65e4cf0ad57f9c1adb8fe035b6b216138278bd1535018e25581034fdbb95cb9c0eaca09376c9a8ec97013c263d9821c710653f6bfa78403c142

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
MD5
118e39605f49d931f9ce80f9d3b72b87

SHA1
ae47f876d55211a16cdc63fafb647719c8b13a43

SHA256
2020114733edde1ffc42f8c59db875db6c3d24328958ad2f1fa665a0cb92c265

SHA512
e6b96cae0f5abd34fc6a1ebf4f7dd57fd7979ce18781dd35a56c3d8c55f12fd25aebb8c45b6c8ecd21a5f8ebbb6ff9967357953d3fd433e381291ea31f986245

Download Submit
C:\Users\Admin\AppData\Local\0926edbc-16fb-4d23-9097-f4176e2ad541\build2.exe
MD5
a2ef57bbe3a8af95196a419a7962bfaa

SHA1
1a0c42723cd1e2e947f904619de7fcea5ca4a183

SHA256
4bc52cd8296fcffc22b5ca8ebf2b161260d71c8d34658f45c9c93cf6d65749e9

SHA512
ca4781632cc0fb2c53f1ae0d0b798da386514f58b6a48845197eea05da7af162405dee1d4b139e661798c29a095e50cdde9f193dea4a9c5366ee763a899ac160

Download Submit
C:\Users\Admin\AppData\Local\0926edbc-16fb-4d23-9097-f4176e2ad541\build2.exe
MD5
a2ef57bbe3a8af95196a419a7962bfaa

SHA1
1a0c42723cd1e2e947f904619de7fcea5ca4a183

SHA256
4bc52cd8296fcffc22b5ca8ebf2b161260d71c8d34658f45c9c93cf6d65749e9

SHA512
ca4781632cc0fb2c53f1ae0d0b798da386514f58b6a48845197eea05da7af162405dee1d4b139e661798c29a095e50cdde9f193dea4a9c5366ee763a899ac160

Download Submit
C:\Users\Admin\AppData\Local\0926edbc-16fb-4d23-9097-f4176e2ad541\build2.exe
MD5
a2ef57bbe3a8af95196a419a7962bfaa

SHA1
1a0c42723cd1e2e947f904619de7fcea5ca4a183

SHA256
4bc52cd8296fcffc22b5ca8ebf2b161260d71c8d34658f45c9c93cf6d65749e9

SHA512
ca4781632cc0fb2c53f1ae0d0b798da386514f58b6a48845197eea05da7af162405dee1d4b139e661798c29a095e50cdde9f193dea4a9c5366ee763a899ac160

Download Submit
C:\Users\Admin\AppData\Local\0926edbc-16fb-4d23-9097-f4176e2ad541\build3.exe
MD5
0fea771099e342facd95a9d659548919

SHA1
9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

SHA256
6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

SHA512
2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

Download Submit
C:\Users\Admin\AppData\Local\0926edbc-16fb-4d23-9097-f4176e2ad541\build3.exe
MD5
0fea771099e342facd95a9d659548919

SHA1
9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

SHA256
6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

SHA512
2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

Download Submit
C:\Users\Admin\AppData\Local\0926edbc-16fb-4d23-9097-f4176e2ad541\build3.exe
MD5
0fea771099e342facd95a9d659548919

SHA1
9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

SHA256
6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

SHA512
2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

Download Submit
C:\Users\Admin\AppData\Local\adf9e0d8-967d-44eb-9533-bfc1d04c7533\40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a.exe
MD5
468e14503ccc7db47f87533c9a4147f7

SHA1
5ad83d44064214d0d32b6bba580d76d54b404a9b

SHA256
40b9fd94cc55d53f7e386153ec83f25b312abfb7acdad208105c760e74fc814a

SHA512
4b7f0a135059ed177fa692dedf697d6941b50bacf32613e07a55b9c743a10ddf2a11a6e5fd4ea8b0b475755bb896d6ce1494d5b3eb219c913cc7be79c43200e1

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/608-122-0x0000000000000000-mapping.dmp

Download
memory/624-130-0x0000000000000000-mapping.dmp

Download
memory/624-133-0x0000000003229000-0x00000000032A5000-memory.dmp

Filesize
496KB

Download
memory/624-145-0x0000000004D60000-0x0000000004E36000-memory.dmp

Filesize
856KB

Download
memory/920-153-0x0000000000000000-mapping.dmp

Download
memory/1144-124-0x0000000000424141-mapping.dmp

Download
memory/1144-129-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1512-144-0x0000000000000000-mapping.dmp

Download
memory/2092-167-0x0000000003330000-0x0000000003334000-memory.dmp

Filesize
16KB

Download
memory/2132-116-0x0000000004E90000-0x0000000004FAB000-memory.dmp

Filesize
1.1MB

Download
memory/2132-115-0x0000000004D60000-0x0000000004DF1000-memory.dmp

Filesize
580KB

Download
memory/2196-140-0x0000000003599000-0x00000000035A9000-memory.dmp

Filesize
64KB

Download
memory/2196-147-0x0000000003250000-0x000000000339A000-memory.dmp

Filesize
1.3MB

Download
memory/2196-134-0x0000000000000000-mapping.dmp

Download
memory/2384-151-0x0000000000000000-mapping.dmp

Download
memory/2412-119-0x0000000000000000-mapping.dmp

Download
memory/2492-148-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2492-142-0x0000000000401AFA-mapping.dmp

Download
memory/2492-141-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/3112-120-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3112-118-0x0000000000424141-mapping.dmp

Download
memory/3112-117-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3120-166-0x0000000000000000-mapping.dmp

Download
memory/3684-164-0x0000000000401AFA-mapping.dmp

Download
memory/3724-152-0x0000000000000000-mapping.dmp

Download
memory/3860-138-0x00000000004A18CD-mapping.dmp

Download
memory/3860-137-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

Download
memory/3860-146-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

Download
memory/4024-171-0x0000000000401AFA-mapping.dmp

Download