djvu | 59d0891001fbd6107176eabf298e6247ebb7c9da90e2e31c342d3333e50679c9

Analysis

max time kernel
121s
max time network
127s
platform
windows10_x64
resource
win10-en-20211014
submitted
22-10-2021 08:03

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

1b91bf136ea911e84d372e78222f2a54.exe
Size

804KB
MD5

1b91bf136ea911e84d372e78222f2a54
SHA1

58813bc4c7e6a160c127b8f222042f88fb470126
SHA256

59d0891001fbd6107176eabf298e6247ebb7c9da90e2e31c342d3333e50679c9
SHA512

9774e559ceb5ae1e6ec46ec1cc7e40c18f42837d741bd7e761b1c88c880e50507393114f3094b35888055557de88bc5a42d55f32dc19b88fda02024dbd80729e

Score

10^/10

djvu vidar 517 discovery persistence ransomware spyware stealer

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
behavioral2/memory/2084-116-0x0000000000F40000-0x000000000105B000-memory.dmp	family_djvu
behavioral2/memory/604-117-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/604-118-0x0000000000424141-mapping.dmp	family_djvu
behavioral2/memory/604-119-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3640-125-0x0000000000424141-mapping.dmp	family_djvu
behavioral2/memory/3640-130-0x0000000000400000-0x0000000000537000-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

Vidar Stealer 4 IoCs

stealer

Processes:

resource	yara_rule
behavioral2/memory/1448-143-0x0000000000400000-0x00000000004D9000-memory.dmp	family_vidar
behavioral2/memory/1448-144-0x00000000004A18CD-mapping.dmp	family_vidar
behavioral2/memory/900-148-0x0000000004C10000-0x0000000004CE6000-memory.dmp	family_vidar
behavioral2/memory/1448-149-0x0000000000400000-0x00000000004D9000-memory.dmp	family_vidar

Downloads MZ/PE file
Executes dropped EXE 8 IoCs

Processes:

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

pid process

900 build2.exe
3020 build3.exe
1668 build3.exe
1448 build2.exe
3132 mstsca.exe
3740 mstsca.exe
2296 mstsca.exe
4048 mstsca.exe
Loads dropped DLL 2 IoCs

Processes:

build2.exe

pid process

1448 build2.exe
1448 build2.exe
Modifies file permissions 1 TTPs 1 IoCs
discovery

File Permissions Modification
T1222

Processes:

icacls.exe

pid process

2240 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
900	build2.exe
3020	build3.exe
1668	build3.exe
1448	build2.exe
3132	mstsca.exe
3740	mstsca.exe
2296	mstsca.exe
4048	mstsca.exe

pid	process
1448	build2.exe
1448	build2.exe

pid	process
2240	icacls.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1b91bf136ea911e84d372e78222f2a54.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\\86c0782e-53f8-4afe-9904-c9720b765afb\\1b91bf136ea911e84d372e78222f2a54.exe\" --AutoStart"	1b91bf136ea911e84d372e78222f2a54.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

14 api.2ip.ua
15 api.2ip.ua
28 api.2ip.ua

flow	ioc
14	api.2ip.ua
15	api.2ip.ua
28	api.2ip.ua

Suspicious use of SetThreadContext 6 IoCs

Processes:

1b91bf136ea911e84d372e78222f2a54.exe1b91bf136ea911e84d372e78222f2a54.exebuild3.exebuild2.exemstsca.exemstsca.exe

description	pid	process	target process
PID 2084 set thread context of 604	2084	1b91bf136ea911e84d372e78222f2a54.exe	1b91bf136ea911e84d372e78222f2a54.exe
PID 916 set thread context of 3640	916	1b91bf136ea911e84d372e78222f2a54.exe	1b91bf136ea911e84d372e78222f2a54.exe
PID 3020 set thread context of 1668	3020	build3.exe	build3.exe
PID 900 set thread context of 1448	900	build2.exe	build2.exe
PID 3132 set thread context of 3740	3132	mstsca.exe	mstsca.exe
PID 2296 set thread context of 4048	2296	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

3912 schtasks.exe
1036 schtasks.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

2036 timeout.exe
Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

1676 taskkill.exe

pid	process
3912	schtasks.exe
1036	schtasks.exe

pid	process
2036	timeout.exe

pid	process
1676	taskkill.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

1b91bf136ea911e84d372e78222f2a54.exe

description	ioc	process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	1b91bf136ea911e84d372e78222f2a54.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	1b91bf136ea911e84d372e78222f2a54.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

1b91bf136ea911e84d372e78222f2a54.exe1b91bf136ea911e84d372e78222f2a54.exebuild2.exe

pid	process
604	1b91bf136ea911e84d372e78222f2a54.exe
604	1b91bf136ea911e84d372e78222f2a54.exe
3640	1b91bf136ea911e84d372e78222f2a54.exe
3640	1b91bf136ea911e84d372e78222f2a54.exe
1448	build2.exe
1448	build2.exe
1448	build2.exe
1448	build2.exe
1448	build2.exe
1448	build2.exe
1448	build2.exe
1448	build2.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 1676 taskkill.exe

description	pid	process
Token: SeDebugPrivilege	1676	taskkill.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

1b91bf136ea911e84d372e78222f2a54.exe1b91bf136ea911e84d372e78222f2a54.exe1b91bf136ea911e84d372e78222f2a54.exe1b91bf136ea911e84d372e78222f2a54.exebuild3.exebuild3.exebuild2.exebuild2.execmd.exemstsca.exe

description	pid	process	target process
PID 2084 wrote to memory of 604	2084	1b91bf136ea911e84d372e78222f2a54.exe	1b91bf136ea911e84d372e78222f2a54.exe
PID 2084 wrote to memory of 604	2084	1b91bf136ea911e84d372e78222f2a54.exe	1b91bf136ea911e84d372e78222f2a54.exe
PID 2084 wrote to memory of 604	2084	1b91bf136ea911e84d372e78222f2a54.exe	1b91bf136ea911e84d372e78222f2a54.exe
PID 2084 wrote to memory of 604	2084	1b91bf136ea911e84d372e78222f2a54.exe	1b91bf136ea911e84d372e78222f2a54.exe
PID 2084 wrote to memory of 604	2084	1b91bf136ea911e84d372e78222f2a54.exe	1b91bf136ea911e84d372e78222f2a54.exe
PID 2084 wrote to memory of 604	2084	1b91bf136ea911e84d372e78222f2a54.exe	1b91bf136ea911e84d372e78222f2a54.exe
PID 2084 wrote to memory of 604	2084	1b91bf136ea911e84d372e78222f2a54.exe	1b91bf136ea911e84d372e78222f2a54.exe
PID 2084 wrote to memory of 604	2084	1b91bf136ea911e84d372e78222f2a54.exe	1b91bf136ea911e84d372e78222f2a54.exe
PID 2084 wrote to memory of 604	2084	1b91bf136ea911e84d372e78222f2a54.exe	1b91bf136ea911e84d372e78222f2a54.exe
PID 2084 wrote to memory of 604	2084	1b91bf136ea911e84d372e78222f2a54.exe	1b91bf136ea911e84d372e78222f2a54.exe
PID 604 wrote to memory of 2240	604	1b91bf136ea911e84d372e78222f2a54.exe	icacls.exe
PID 604 wrote to memory of 2240	604	1b91bf136ea911e84d372e78222f2a54.exe	icacls.exe
PID 604 wrote to memory of 2240	604	1b91bf136ea911e84d372e78222f2a54.exe	icacls.exe
PID 604 wrote to memory of 916	604	1b91bf136ea911e84d372e78222f2a54.exe	1b91bf136ea911e84d372e78222f2a54.exe
PID 604 wrote to memory of 916	604	1b91bf136ea911e84d372e78222f2a54.exe	1b91bf136ea911e84d372e78222f2a54.exe
PID 604 wrote to memory of 916	604	1b91bf136ea911e84d372e78222f2a54.exe	1b91bf136ea911e84d372e78222f2a54.exe
PID 916 wrote to memory of 3640	916	1b91bf136ea911e84d372e78222f2a54.exe	1b91bf136ea911e84d372e78222f2a54.exe
PID 916 wrote to memory of 3640	916	1b91bf136ea911e84d372e78222f2a54.exe	1b91bf136ea911e84d372e78222f2a54.exe
PID 916 wrote to memory of 3640	916	1b91bf136ea911e84d372e78222f2a54.exe	1b91bf136ea911e84d372e78222f2a54.exe
PID 916 wrote to memory of 3640	916	1b91bf136ea911e84d372e78222f2a54.exe	1b91bf136ea911e84d372e78222f2a54.exe
PID 916 wrote to memory of 3640	916	1b91bf136ea911e84d372e78222f2a54.exe	1b91bf136ea911e84d372e78222f2a54.exe
PID 916 wrote to memory of 3640	916	1b91bf136ea911e84d372e78222f2a54.exe	1b91bf136ea911e84d372e78222f2a54.exe
PID 916 wrote to memory of 3640	916	1b91bf136ea911e84d372e78222f2a54.exe	1b91bf136ea911e84d372e78222f2a54.exe
PID 916 wrote to memory of 3640	916	1b91bf136ea911e84d372e78222f2a54.exe	1b91bf136ea911e84d372e78222f2a54.exe
PID 916 wrote to memory of 3640	916	1b91bf136ea911e84d372e78222f2a54.exe	1b91bf136ea911e84d372e78222f2a54.exe
PID 916 wrote to memory of 3640	916	1b91bf136ea911e84d372e78222f2a54.exe	1b91bf136ea911e84d372e78222f2a54.exe
PID 3640 wrote to memory of 900	3640	1b91bf136ea911e84d372e78222f2a54.exe	build2.exe
PID 3640 wrote to memory of 900	3640	1b91bf136ea911e84d372e78222f2a54.exe	build2.exe
PID 3640 wrote to memory of 900	3640	1b91bf136ea911e84d372e78222f2a54.exe	build2.exe
PID 3640 wrote to memory of 3020	3640	1b91bf136ea911e84d372e78222f2a54.exe	build3.exe
PID 3640 wrote to memory of 3020	3640	1b91bf136ea911e84d372e78222f2a54.exe	build3.exe
PID 3640 wrote to memory of 3020	3640	1b91bf136ea911e84d372e78222f2a54.exe	build3.exe
PID 3020 wrote to memory of 1668	3020	build3.exe	build3.exe
PID 3020 wrote to memory of 1668	3020	build3.exe	build3.exe
PID 3020 wrote to memory of 1668	3020	build3.exe	build3.exe
PID 3020 wrote to memory of 1668	3020	build3.exe	build3.exe
PID 3020 wrote to memory of 1668	3020	build3.exe	build3.exe
PID 3020 wrote to memory of 1668	3020	build3.exe	build3.exe
PID 3020 wrote to memory of 1668	3020	build3.exe	build3.exe
PID 3020 wrote to memory of 1668	3020	build3.exe	build3.exe
PID 3020 wrote to memory of 1668	3020	build3.exe	build3.exe
PID 1668 wrote to memory of 3912	1668	build3.exe	schtasks.exe
PID 1668 wrote to memory of 3912	1668	build3.exe	schtasks.exe
PID 1668 wrote to memory of 3912	1668	build3.exe	schtasks.exe
PID 900 wrote to memory of 1448	900	build2.exe	build2.exe
PID 900 wrote to memory of 1448	900	build2.exe	build2.exe
PID 900 wrote to memory of 1448	900	build2.exe	build2.exe
PID 900 wrote to memory of 1448	900	build2.exe	build2.exe
PID 900 wrote to memory of 1448	900	build2.exe	build2.exe
PID 900 wrote to memory of 1448	900	build2.exe	build2.exe
PID 900 wrote to memory of 1448	900	build2.exe	build2.exe
PID 900 wrote to memory of 1448	900	build2.exe	build2.exe
PID 1448 wrote to memory of 1364	1448	build2.exe	cmd.exe
PID 1448 wrote to memory of 1364	1448	build2.exe	cmd.exe
PID 1448 wrote to memory of 1364	1448	build2.exe	cmd.exe
PID 1364 wrote to memory of 1676	1364	cmd.exe	taskkill.exe
PID 1364 wrote to memory of 1676	1364	cmd.exe	taskkill.exe
PID 1364 wrote to memory of 1676	1364	cmd.exe	taskkill.exe
PID 1364 wrote to memory of 2036	1364	cmd.exe	timeout.exe
PID 1364 wrote to memory of 2036	1364	cmd.exe	timeout.exe
PID 1364 wrote to memory of 2036	1364	cmd.exe	timeout.exe
PID 3132 wrote to memory of 3740	3132	mstsca.exe	mstsca.exe
PID 3132 wrote to memory of 3740	3132	mstsca.exe	mstsca.exe
PID 3132 wrote to memory of 3740	3132	mstsca.exe	mstsca.exe

C:\Users\Admin\AppData\Local\Temp\1b91bf136ea911e84d372e78222f2a54.exe
"C:\Users\Admin\AppData\Local\Temp\1b91bf136ea911e84d372e78222f2a54.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2084

C:\Users\Admin\AppData\Local\Temp\1b91bf136ea911e84d372e78222f2a54.exe
"C:\Users\Admin\AppData\Local\Temp\1b91bf136ea911e84d372e78222f2a54.exe"
2⤵
- Adds Run key to start application
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:604

C:\Windows\SysWOW64\icacls.exe
icacls "C:\Users\Admin\AppData\Local\86c0782e-53f8-4afe-9904-c9720b765afb" /deny *S-1-1-0:(OI)(CI)(DE,DC)
3⤵
- Modifies file permissions
PID:2240

C:\Users\Admin\AppData\Local\Temp\1b91bf136ea911e84d372e78222f2a54.exe
"C:\Users\Admin\AppData\Local\Temp\1b91bf136ea911e84d372e78222f2a54.exe" --Admin IsNotAutoStart IsNotTask
3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:916

C:\Users\Admin\AppData\Local\Temp\1b91bf136ea911e84d372e78222f2a54.exe
"C:\Users\Admin\AppData\Local\Temp\1b91bf136ea911e84d372e78222f2a54.exe" --Admin IsNotAutoStart IsNotTask
4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3640

C:\Users\Admin\AppData\Local\457565f0-3810-4e80-b72c-5850bdced170\build2.exe
"C:\Users\Admin\AppData\Local\457565f0-3810-4e80-b72c-5850bdced170\build2.exe"
5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:900

C:\Users\Admin\AppData\Local\457565f0-3810-4e80-b72c-5850bdced170\build2.exe
"C:\Users\Admin\AppData\Local\457565f0-3810-4e80-b72c-5850bdced170\build2.exe"
6⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1448

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\457565f0-3810-4e80-b72c-5850bdced170\build2.exe" & del C:\ProgramData\*.dll & exit
7⤵
- Suspicious use of WriteProcessMemory
PID:1364

C:\Windows\SysWOW64\taskkill.exe
taskkill /im build2.exe /f
8⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1676

C:\Windows\SysWOW64\timeout.exe
timeout /t 6
8⤵
- Delays execution with timeout.exe
PID:2036

C:\Users\Admin\AppData\Local\457565f0-3810-4e80-b72c-5850bdced170\build3.exe
"C:\Users\Admin\AppData\Local\457565f0-3810-4e80-b72c-5850bdced170\build3.exe"
5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3020

C:\Users\Admin\AppData\Local\457565f0-3810-4e80-b72c-5850bdced170\build3.exe
"C:\Users\Admin\AppData\Local\457565f0-3810-4e80-b72c-5850bdced170\build3.exe"
6⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1668

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:3912

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:3132

C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
2⤵
- Executes dropped EXE
PID:3740

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:1036

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:2296

C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
2⤵
- Executes dropped EXE
PID:4048

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
50d9d5311b74576fbbb5c9f204fdc16b

SHA1
7dd97b713e33f287440441aa3bb7966a2cb68321

SHA256
d76a71e8dfd6961d4912a23b2fd207f2a93c67523dfcda252358eafa5821b2ad

SHA512
67d02ce79bb8fd641783ba12ab5587900a03416627939084ce87f22b42ca7d50765947e2238b3c6a70a74bce3c9233b486aaa10feb57e714646e4d02c0c926c0

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
MD5
8f19b97ffda28eb06efc2181fd126b9c

SHA1
142443021d6ffaf32d3d60635d0edf540a039f2e

SHA256
49607d1b931a79642c5268292b4f16f2db7ec77b53f8abddbc0cce36ed88e3f7

SHA512
6577704c531cc07d1ae8d61dfe6d8735d29d1386038fa9e3f5580c80c30dc04570ec0160f51903d05b180c4af68f0eb8e23e2106c3bb367afd32d033aae031e6

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
MD5
a558849fdf0101493af1f2c159fcc8eb

SHA1
3860a1c06f356861d412953edef9f75dbc9c7ac6

SHA256
2b3d81b71ffc8c99613d2b9f5cb138b3fad263fc6dd4ebd7545abe0be86bf1a3

SHA512
883966aa533aa6a381d70242d1aaead765df6988be629224ed9551a6a94826bf407a25f22242b6b9b056cbb5167918afa79686795f6b4185f31be661c9663fcc

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
MD5
ab968938c144f6dd2a450691664feb21

SHA1
f075d5fca477a422cfc9be5f1ab803bb0d704c7c

SHA256
6b5cd0325647721ba1ed7d7ef7e360292ca2ef29fd874ab06db1a3eb22fb8fbf

SHA512
af21209b2c74eec6ae802c4e4201d3fa0c94b45412afecd1f3316ecf4fed0367f64dfb4140881bfe5648e8f75d8c35648a75b6e0f167f2ba4c85884c05ed2e55

Download Submit
C:\Users\Admin\AppData\Local\457565f0-3810-4e80-b72c-5850bdced170\build2.exe
MD5
a2ef57bbe3a8af95196a419a7962bfaa

SHA1
1a0c42723cd1e2e947f904619de7fcea5ca4a183

SHA256
4bc52cd8296fcffc22b5ca8ebf2b161260d71c8d34658f45c9c93cf6d65749e9

SHA512
ca4781632cc0fb2c53f1ae0d0b798da386514f58b6a48845197eea05da7af162405dee1d4b139e661798c29a095e50cdde9f193dea4a9c5366ee763a899ac160

Download Submit
C:\Users\Admin\AppData\Local\457565f0-3810-4e80-b72c-5850bdced170\build2.exe
MD5
a2ef57bbe3a8af95196a419a7962bfaa

SHA1
1a0c42723cd1e2e947f904619de7fcea5ca4a183

SHA256
4bc52cd8296fcffc22b5ca8ebf2b161260d71c8d34658f45c9c93cf6d65749e9

SHA512
ca4781632cc0fb2c53f1ae0d0b798da386514f58b6a48845197eea05da7af162405dee1d4b139e661798c29a095e50cdde9f193dea4a9c5366ee763a899ac160

Download Submit
C:\Users\Admin\AppData\Local\457565f0-3810-4e80-b72c-5850bdced170\build2.exe
MD5
a2ef57bbe3a8af95196a419a7962bfaa

SHA1
1a0c42723cd1e2e947f904619de7fcea5ca4a183

SHA256
4bc52cd8296fcffc22b5ca8ebf2b161260d71c8d34658f45c9c93cf6d65749e9

SHA512
ca4781632cc0fb2c53f1ae0d0b798da386514f58b6a48845197eea05da7af162405dee1d4b139e661798c29a095e50cdde9f193dea4a9c5366ee763a899ac160

Download Submit
C:\Users\Admin\AppData\Local\457565f0-3810-4e80-b72c-5850bdced170\build3.exe
MD5
0fea771099e342facd95a9d659548919

SHA1
9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

SHA256
6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

SHA512
2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

Download Submit
C:\Users\Admin\AppData\Local\457565f0-3810-4e80-b72c-5850bdced170\build3.exe
MD5
0fea771099e342facd95a9d659548919

SHA1
9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

SHA256
6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

SHA512
2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

Download Submit
C:\Users\Admin\AppData\Local\457565f0-3810-4e80-b72c-5850bdced170\build3.exe
MD5
0fea771099e342facd95a9d659548919

SHA1
9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

SHA256
6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

SHA512
2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

Download Submit
C:\Users\Admin\AppData\Local\86c0782e-53f8-4afe-9904-c9720b765afb\1b91bf136ea911e84d372e78222f2a54.exe
MD5
1b91bf136ea911e84d372e78222f2a54

SHA1
58813bc4c7e6a160c127b8f222042f88fb470126

SHA256
59d0891001fbd6107176eabf298e6247ebb7c9da90e2e31c342d3333e50679c9

SHA512
9774e559ceb5ae1e6ec46ec1cc7e40c18f42837d741bd7e761b1c88c880e50507393114f3094b35888055557de88bc5a42d55f32dc19b88fda02024dbd80729e

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/604-118-0x0000000000424141-mapping.dmp

Download
memory/604-117-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/604-119-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/900-131-0x0000000000000000-mapping.dmp

Download
memory/900-148-0x0000000004C10000-0x0000000004CE6000-memory.dmp

Filesize
856KB

Download
memory/900-134-0x0000000003289000-0x0000000003305000-memory.dmp

Filesize
496KB

Download
memory/916-122-0x0000000000000000-mapping.dmp

Download
memory/916-123-0x0000000000DCE000-0x0000000000E60000-memory.dmp

Filesize
584KB

Download
memory/1036-167-0x0000000000000000-mapping.dmp

Download
memory/1364-152-0x0000000000000000-mapping.dmp

Download
memory/1448-143-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

Download
memory/1448-144-0x00000000004A18CD-mapping.dmp

Download
memory/1448-149-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

Download
memory/1668-147-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/1668-140-0x0000000000401AFA-mapping.dmp

Download
memory/1668-139-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/1676-153-0x0000000000000000-mapping.dmp

Download
memory/2036-154-0x0000000000000000-mapping.dmp

Download
memory/2084-115-0x0000000000E29000-0x0000000000EBB000-memory.dmp

Filesize
584KB

Download
memory/2084-116-0x0000000000F40000-0x000000000105B000-memory.dmp

Filesize
1.1MB

Download
memory/2240-120-0x0000000000000000-mapping.dmp

Download
memory/2296-174-0x0000000003250000-0x00000000032FE000-memory.dmp

Filesize
696KB

Download
memory/3020-146-0x0000000003380000-0x00000000034CA000-memory.dmp

Filesize
1.3MB

Download
memory/3020-138-0x0000000003579000-0x0000000003589000-memory.dmp

Filesize
64KB

Download
memory/3020-135-0x0000000000000000-mapping.dmp

Download
memory/3132-163-0x00000000033F9000-0x0000000003409000-memory.dmp

Filesize
64KB

Download
memory/3132-168-0x00000000032A0000-0x00000000033EA000-memory.dmp

Filesize
1.3MB

Download
memory/3640-125-0x0000000000424141-mapping.dmp

Download
memory/3640-130-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3740-165-0x0000000000401AFA-mapping.dmp

Download
memory/3912-142-0x0000000000000000-mapping.dmp

Download
memory/4048-172-0x0000000000401AFA-mapping.dmp

Download