djvu | 04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055

Analysis

max time kernel
124s
max time network
124s
platform
windows10_x64
resource
win10-en-20211104
submitted
05-12-2021 16:13

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General

Target

04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe
Size

826KB
MD5

5faf17a19988f4b3852e454e0c3a7eed
SHA1

229d6e92780a001377cb95df5fb1244116dba8f4
SHA256

04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055
SHA512

5aadce0758ae38051c6107263a15068811eca86c47ce6c6cc376cc95fed435ca2e19e90130ba4c04833018b4988d719cb53932aa791a289952a06d52293241d4

Score

10^/10

djvu vidar 517 discovery persistence ransomware spyware stealer

Malware Config

Extracted

Family

djvu

http://tzgl.org/fhsgtsspen6/get.php

Attributes

extension
.wnlu
offline_id
gYuqQ5GsAaJom08TivUVhlPzZDKd916x4NcXrWt1
payload_url
http://kotob.top/dl/build2.exe
http://tzgl.org/files/1/build3.exe
ransomnote
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rsa_pubkey.plain

Extracted

Family

vidar

Version

48.9

Botnet

517

https://qoto.org/@mniami

https://noc.social/@menaomi

Attributes

profile_id
517

Signatures

Detected Djvu ransomware 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/3960-119-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3960-120-0x0000000000424141-mapping.dmp	family_djvu
behavioral1/memory/3696-121-0x0000000002430000-0x000000000254B000-memory.dmp	family_djvu
behavioral1/memory/3960-122-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4416-128-0x0000000000424141-mapping.dmp	family_djvu
behavioral1/memory/4416-133-0x0000000000400000-0x0000000000537000-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
behavioral1/memory/3180-137-0x0000000000400000-0x00000000004DC000-memory.dmp	family_vidar
behavioral1/memory/3180-138-0x00000000004A51CD-mapping.dmp	family_vidar
behavioral1/memory/4392-141-0x00000000049B0000-0x0000000004A89000-memory.dmp	family_vidar
behavioral1/memory/3180-142-0x0000000000400000-0x00000000004DC000-memory.dmp	family_vidar

Downloads MZ/PE file
Executes dropped EXE 2 IoCs

Processes:

build2.exebuild2.exe

pid process

4392 build2.exe
3180 build2.exe
Loads dropped DLL 2 IoCs

Processes:

build2.exe

pid process

3180 build2.exe
3180 build2.exe
Modifies file permissions 1 TTPs 1 IoCs
discovery

File Permissions Modification
T1222

Processes:

icacls.exe

pid process

4212 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
4392	build2.exe
3180	build2.exe

pid	process
3180	build2.exe
3180	build2.exe

pid	process
4212	icacls.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\f07033df-be30-437c-8b9e-d69f11068ece\\04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe\" --AutoStart"	04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.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

10 api.2ip.ua
11 api.2ip.ua
24 api.2ip.ua

flow	ioc
10	api.2ip.ua
11	api.2ip.ua
24	api.2ip.ua

Suspicious use of SetThreadContext 3 IoCs

Processes:

04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exebuild2.exe

description	pid	process	target process
PID 3696 set thread context of 3960	3696	04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe	04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe
PID 4168 set thread context of 4416	4168	04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe	04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe
PID 4392 set thread context of 3180	4392	build2.exe	build2.exe

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

System Information Discovery
T1082

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

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

1252 timeout.exe
Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

864 taskkill.exe

pid	process
1252	timeout.exe

pid	process
864	taskkill.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exebuild2.exe

pid	process
3960	04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe
3960	04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe
4416	04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe
4416	04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe
3180	build2.exe
3180	build2.exe
3180	build2.exe
3180	build2.exe
3180	build2.exe
3180	build2.exe
3180	build2.exe
3180	build2.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 864 taskkill.exe

description	pid	process
Token: SeDebugPrivilege	864	taskkill.exe

Suspicious use of WriteProcessMemory 46 IoCs

Processes:

04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exebuild2.exebuild2.execmd.exe

description	pid	process	target process
PID 3696 wrote to memory of 3960	3696	04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe	04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe
PID 3696 wrote to memory of 3960	3696	04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe	04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe
PID 3696 wrote to memory of 3960	3696	04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe	04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe
PID 3696 wrote to memory of 3960	3696	04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe	04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe
PID 3696 wrote to memory of 3960	3696	04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe	04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe
PID 3696 wrote to memory of 3960	3696	04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe	04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe
PID 3696 wrote to memory of 3960	3696	04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe	04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe
PID 3696 wrote to memory of 3960	3696	04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe	04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe
PID 3696 wrote to memory of 3960	3696	04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe	04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe
PID 3696 wrote to memory of 3960	3696	04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe	04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe
PID 3960 wrote to memory of 4212	3960	04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe	icacls.exe
PID 3960 wrote to memory of 4212	3960	04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe	icacls.exe
PID 3960 wrote to memory of 4212	3960	04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe	icacls.exe
PID 3960 wrote to memory of 4168	3960	04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe	04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe
PID 3960 wrote to memory of 4168	3960	04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe	04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe
PID 3960 wrote to memory of 4168	3960	04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe	04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe
PID 4168 wrote to memory of 4416	4168	04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe	04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe
PID 4168 wrote to memory of 4416	4168	04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe	04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe
PID 4168 wrote to memory of 4416	4168	04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe	04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe
PID 4168 wrote to memory of 4416	4168	04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe	04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe
PID 4168 wrote to memory of 4416	4168	04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe	04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe
PID 4168 wrote to memory of 4416	4168	04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe	04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe
PID 4168 wrote to memory of 4416	4168	04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe	04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe
PID 4168 wrote to memory of 4416	4168	04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe	04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe
PID 4168 wrote to memory of 4416	4168	04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe	04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe
PID 4168 wrote to memory of 4416	4168	04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe	04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe
PID 4416 wrote to memory of 4392	4416	04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe	build2.exe
PID 4416 wrote to memory of 4392	4416	04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe	build2.exe
PID 4416 wrote to memory of 4392	4416	04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe	build2.exe
PID 4392 wrote to memory of 3180	4392	build2.exe	build2.exe
PID 4392 wrote to memory of 3180	4392	build2.exe	build2.exe
PID 4392 wrote to memory of 3180	4392	build2.exe	build2.exe
PID 4392 wrote to memory of 3180	4392	build2.exe	build2.exe
PID 4392 wrote to memory of 3180	4392	build2.exe	build2.exe
PID 4392 wrote to memory of 3180	4392	build2.exe	build2.exe
PID 4392 wrote to memory of 3180	4392	build2.exe	build2.exe
PID 4392 wrote to memory of 3180	4392	build2.exe	build2.exe
PID 3180 wrote to memory of 3160	3180	build2.exe	cmd.exe
PID 3180 wrote to memory of 3160	3180	build2.exe	cmd.exe
PID 3180 wrote to memory of 3160	3180	build2.exe	cmd.exe
PID 3160 wrote to memory of 864	3160	cmd.exe	taskkill.exe
PID 3160 wrote to memory of 864	3160	cmd.exe	taskkill.exe
PID 3160 wrote to memory of 864	3160	cmd.exe	taskkill.exe
PID 3160 wrote to memory of 1252	3160	cmd.exe	timeout.exe
PID 3160 wrote to memory of 1252	3160	cmd.exe	timeout.exe
PID 3160 wrote to memory of 1252	3160	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe
"C:\Users\Admin\AppData\Local\Temp\04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3696

C:\Users\Admin\AppData\Local\Temp\04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe
"C:\Users\Admin\AppData\Local\Temp\04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe"
2⤵
- Adds Run key to start application
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3960

C:\Windows\SysWOW64\icacls.exe
icacls "C:\Users\Admin\AppData\Local\f07033df-be30-437c-8b9e-d69f11068ece" /deny *S-1-1-0:(OI)(CI)(DE,DC)
3⤵
- Modifies file permissions
PID:4212

C:\Users\Admin\AppData\Local\Temp\04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe
"C:\Users\Admin\AppData\Local\Temp\04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe" --Admin IsNotAutoStart IsNotTask
3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4168

C:\Users\Admin\AppData\Local\Temp\04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe
"C:\Users\Admin\AppData\Local\Temp\04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe" --Admin IsNotAutoStart IsNotTask
4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4416

C:\Users\Admin\AppData\Local\fc42a6ee-fbcc-4a82-9570-b4bc043e1efb\build2.exe
"C:\Users\Admin\AppData\Local\fc42a6ee-fbcc-4a82-9570-b4bc043e1efb\build2.exe"
5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4392

C:\Users\Admin\AppData\Local\fc42a6ee-fbcc-4a82-9570-b4bc043e1efb\build2.exe
"C:\Users\Admin\AppData\Local\fc42a6ee-fbcc-4a82-9570-b4bc043e1efb\build2.exe"
6⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3180

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\fc42a6ee-fbcc-4a82-9570-b4bc043e1efb\build2.exe" & del C:\ProgramData\*.dll & exit
7⤵
- Suspicious use of WriteProcessMemory
PID:3160

C:\Windows\SysWOW64\taskkill.exe
taskkill /im build2.exe /f
8⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:864

C:\Windows\SysWOW64\timeout.exe
timeout /t 6
8⤵
- Delays execution with timeout.exe
PID:1252

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

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

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Downloads

C:\ProgramData\freebl3.dll
MD5
ef2834ac4ee7d6724f255beaf527e635

SHA1
5be8c1e73a21b49f353c2ecfa4108e43a883cb7b

SHA256
a770ecba3b08bbabd0a567fc978e50615f8b346709f8eb3cfacf3faab24090ba

SHA512
c6ea0e4347cbd7ef5e80ae8c0afdca20ea23ac2bdd963361dfaf562a9aed58dcbc43f89dd826692a064d76c3f4b3e92361af7b79a6d16a75d9951591ae3544d2

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C:\ProgramData\mozglue.dll
MD5
8f73c08a9660691143661bf7332c3c27

SHA1
37fa65dd737c50fda710fdbde89e51374d0c204a

SHA256
3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

SHA512
0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

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C:\ProgramData\msvcp140.dll
MD5
109f0f02fd37c84bfc7508d4227d7ed5

SHA1
ef7420141bb15ac334d3964082361a460bfdb975

SHA256
334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4

SHA512
46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39

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C:\ProgramData\nss3.dll
MD5
bfac4e3c5908856ba17d41edcd455a51

SHA1
8eec7e888767aa9e4cca8ff246eb2aacb9170428

SHA256
e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

SHA512
2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

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C:\ProgramData\softokn3.dll
MD5
a2ee53de9167bf0d6c019303b7ca84e5

SHA1
2a3c737fa1157e8483815e98b666408a18c0db42

SHA256
43536adef2ddcc811c28d35fa6ce3031029a2424ad393989db36169ff2995083

SHA512
45b56432244f86321fa88fbcca6a0d2a2f7f4e0648c1d7d7b1866adc9daa5eddd9f6bb73662149f279c9ab60930dad1113c8337cb5e6ec9eed5048322f65f7d8

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C:\ProgramData\vcruntime140.dll
MD5
7587bf9cb4147022cd5681b015183046

SHA1
f2106306a8f6f0da5afb7fc765cfa0757ad5a628

SHA256
c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

SHA512
0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
MD5
1c63500df0b57e29edd1a5867d9f0e9b

SHA1
0475a0611ac4d171e90b46303b96317fc186b15d

SHA256
c8f7c1bd12b80996707a806866379d91dc3008d5d2b0eeeb6d97d418aeeb7914

SHA512
29b914ffe63496d98e8ffb76afde49702888743c88bd0fc6aabdf3e8855e3a5389d933a29ccb4564e8d3198c159a1debfb56d6f39f428689f8eb4d497b341bde

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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
MD5
65052acb8dc97b38007797064162c9a1

SHA1
862cf5f74d74b85103b088650a230ed0c6d32df3

SHA256
ef406913c83356f132bbc250646c24befee2acfdabbc9debcbca68c1da01a30f

SHA512
976f4bd21af190164d04534f4e534d44e14fd5d3c6798421f84ead4e0a53f25d386d4b59bfe0c7c5865af4f22593d975d6b48292b024a4b6ca0d65ff6ee735bd

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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
MD5
abbf300290018e41cdc4de0268d5e7b0

SHA1
34b1681f8c376f749a33145e6ee24abeabcd42aa

SHA256
c6ab1dc8088340ca86f154df84fe5c253967f8999bc8f16426ceb24e35fdce80

SHA512
6c4f6d6862f0da3ac6b0a0dce6f3e3536d8456e99ff520100b97f30fc57936dabfe79dd3800c128d05db34fda80f3dab88024518908bbfecbd2bd7bfffbe35ac

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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
MD5
262c627f162b941aff4121b87e034070

SHA1
9ddd15b669d8ace71f5e4a853c6f290c84c3f394

SHA256
57d969c1d32096995217c71be844c091a07923a9ae490706b25e6c8d8e3dd3d6

SHA512
3866233083640bd55326702047f8b799854cdf911867cc5bf5a93e68153d4b81f2ac001f8ecaea06f7ed816000da9cdaded235459eac6c0bb113b13d37462998

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C:\Users\Admin\AppData\Local\f07033df-be30-437c-8b9e-d69f11068ece\04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055.exe
MD5
5faf17a19988f4b3852e454e0c3a7eed

SHA1
229d6e92780a001377cb95df5fb1244116dba8f4

SHA256
04655707a38854f063a6334a2d88ffa0e9177b3064fb4cded9ae37aa7d1f3055

SHA512
5aadce0758ae38051c6107263a15068811eca86c47ce6c6cc376cc95fed435ca2e19e90130ba4c04833018b4988d719cb53932aa791a289952a06d52293241d4

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C:\Users\Admin\AppData\Local\fc42a6ee-fbcc-4a82-9570-b4bc043e1efb\build2.exe
MD5
37f77c6f8805407d31d2b2b63e853316

SHA1
2535b538d6c9337a10ac4ed80f5f7b6bceeea00a

SHA256
c19a32b2c1b56473245cb672da9d589227f52966b40c9b761765e85418052f35

SHA512
71208f96291b8d808e33202587882bbd771a5169e60ba1568051148535977475f345c3f61f1a1d4a413b4a3ed278d6167335d9ea49b7b318d6ee303ae3db4cb1

Download Submit
C:\Users\Admin\AppData\Local\fc42a6ee-fbcc-4a82-9570-b4bc043e1efb\build2.exe
MD5
37f77c6f8805407d31d2b2b63e853316

SHA1
2535b538d6c9337a10ac4ed80f5f7b6bceeea00a

SHA256
c19a32b2c1b56473245cb672da9d589227f52966b40c9b761765e85418052f35

SHA512
71208f96291b8d808e33202587882bbd771a5169e60ba1568051148535977475f345c3f61f1a1d4a413b4a3ed278d6167335d9ea49b7b318d6ee303ae3db4cb1

Download Submit
C:\Users\Admin\AppData\Local\fc42a6ee-fbcc-4a82-9570-b4bc043e1efb\build2.exe
MD5
37f77c6f8805407d31d2b2b63e853316

SHA1
2535b538d6c9337a10ac4ed80f5f7b6bceeea00a

SHA256
c19a32b2c1b56473245cb672da9d589227f52966b40c9b761765e85418052f35

SHA512
71208f96291b8d808e33202587882bbd771a5169e60ba1568051148535977475f345c3f61f1a1d4a413b4a3ed278d6167335d9ea49b7b318d6ee303ae3db4cb1

Download Submit
\ProgramData\mozglue.dll
MD5
8f73c08a9660691143661bf7332c3c27

SHA1
37fa65dd737c50fda710fdbde89e51374d0c204a

SHA256
3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

SHA512
0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

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\ProgramData\nss3.dll
MD5
bfac4e3c5908856ba17d41edcd455a51

SHA1
8eec7e888767aa9e4cca8ff246eb2aacb9170428

SHA256
e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

SHA512
2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

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memory/864-146-0x0000000000000000-mapping.dmp

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memory/1252-147-0x0000000000000000-mapping.dmp

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memory/3160-145-0x0000000000000000-mapping.dmp

Download
memory/3180-142-0x0000000000400000-0x00000000004DC000-memory.dmp

Filesize
880KB

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memory/3180-137-0x0000000000400000-0x00000000004DC000-memory.dmp

Filesize
880KB

Download
memory/3180-138-0x00000000004A51CD-mapping.dmp

Download
memory/3696-118-0x000000000223E000-0x00000000022D0000-memory.dmp

Filesize
584KB

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memory/3696-121-0x0000000002430000-0x000000000254B000-memory.dmp

Filesize
1.1MB

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memory/3960-122-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

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memory/3960-120-0x0000000000424141-mapping.dmp

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memory/3960-119-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

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memory/4168-126-0x00000000021AD000-0x000000000223F000-memory.dmp

Filesize
584KB

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memory/4168-125-0x0000000000000000-mapping.dmp

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memory/4212-123-0x0000000000000000-mapping.dmp

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memory/4392-140-0x0000000004800000-0x000000000487D000-memory.dmp

Filesize
500KB

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memory/4392-134-0x0000000000000000-mapping.dmp

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memory/4392-141-0x00000000049B0000-0x0000000004A89000-memory.dmp

Filesize
868KB

Download
memory/4416-128-0x0000000000424141-mapping.dmp

Download
memory/4416-133-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

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