djvu | a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74

Analysis

max time kernel
130s
max time network
148s
platform
windows10_x64
resource
win10-en-20211014
submitted
07-12-2021 06:11

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General

Target

a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe
Size

840KB
MD5

ee00d6c3af91be3b1661880211807f5b
SHA1

1df8a6917f572559ba094d3fe48b03902e5938b7
SHA256

a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74
SHA512

3bf4f5b37b726d51c5a2e761d39adb2b3d4b0f78cb6b1121088b4eb4ee41f7a0eb160858f296d93dd7510b4345fbdcb96f236a85406afb46cd0118f3524272fb

Score

10^/10

djvu vidar 517 discovery persistence ransomware spyware stealer suricata

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/3168-116-0x0000000000760000-0x000000000087B000-memory.dmp	family_djvu
behavioral1/memory/2616-117-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2616-118-0x0000000000424141-mapping.dmp	family_djvu
behavioral1/memory/2616-119-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4048-125-0x0000000000424141-mapping.dmp	family_djvu
behavioral1/memory/4048-130-0x0000000000400000-0x0000000000537000-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 4 IoCs

stealer

Processes:

resource	yara_rule
behavioral1/memory/1880-135-0x00000000004A51CD-mapping.dmp	family_vidar
behavioral1/memory/1880-134-0x0000000000400000-0x00000000004DC000-memory.dmp	family_vidar
behavioral1/memory/2532-138-0x00000000048D0000-0x00000000049A9000-memory.dmp	family_vidar
behavioral1/memory/1880-139-0x0000000000400000-0x00000000004DC000-memory.dmp	family_vidar

Downloads MZ/PE file
Executes dropped EXE 2 IoCs

Processes:

build2.exebuild2.exe

pid process

2532 build2.exe
1880 build2.exe
Loads dropped DLL 2 IoCs

Processes:

build2.exe

pid process

1880 build2.exe
1880 build2.exe
Modifies file permissions 1 TTPs 1 IoCs
discovery

File Permissions Modification
T1222

Processes:

icacls.exe

pid process

1108 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
2532	build2.exe
1880	build2.exe

pid	process
1880	build2.exe
1880	build2.exe

pid	process
1108	icacls.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.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\\8292c459-f340-497b-85eb-c0946e6d3f2c\\a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe\" --AutoStart"	a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.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

16 api.2ip.ua
17 api.2ip.ua
22 api.2ip.ua

flow	ioc
16	api.2ip.ua
17	api.2ip.ua
22	api.2ip.ua

Suspicious use of SetThreadContext 3 IoCs

Processes:

a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exea453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exebuild2.exe

description	pid	process	target process
PID 3168 set thread context of 2616	3168	a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe	a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe
PID 1928 set thread context of 4048	1928	a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe	a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe
PID 2532 set thread context of 1880	2532	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

892 timeout.exe
Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

1096 taskkill.exe

pid	process
892	timeout.exe

pid	process
1096	taskkill.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe

description	ioc	process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exea453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exebuild2.exe

pid	process
2616	a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe
2616	a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe
4048	a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe
4048	a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe
1880	build2.exe
1880	build2.exe
1880	build2.exe
1880	build2.exe
1880	build2.exe
1880	build2.exe
1880	build2.exe
1880	build2.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 1096 taskkill.exe

description	pid	process
Token: SeDebugPrivilege	1096	taskkill.exe

Suspicious use of WriteProcessMemory 46 IoCs

Processes:

a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exea453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exea453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exea453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exebuild2.exebuild2.execmd.exe

description	pid	process	target process
PID 3168 wrote to memory of 2616	3168	a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe	a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe
PID 3168 wrote to memory of 2616	3168	a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe	a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe
PID 3168 wrote to memory of 2616	3168	a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe	a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe
PID 3168 wrote to memory of 2616	3168	a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe	a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe
PID 3168 wrote to memory of 2616	3168	a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe	a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe
PID 3168 wrote to memory of 2616	3168	a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe	a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe
PID 3168 wrote to memory of 2616	3168	a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe	a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe
PID 3168 wrote to memory of 2616	3168	a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe	a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe
PID 3168 wrote to memory of 2616	3168	a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe	a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe
PID 3168 wrote to memory of 2616	3168	a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe	a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe
PID 2616 wrote to memory of 1108	2616	a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe	icacls.exe
PID 2616 wrote to memory of 1108	2616	a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe	icacls.exe
PID 2616 wrote to memory of 1108	2616	a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe	icacls.exe
PID 2616 wrote to memory of 1928	2616	a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe	a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe
PID 2616 wrote to memory of 1928	2616	a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe	a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe
PID 2616 wrote to memory of 1928	2616	a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe	a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe
PID 1928 wrote to memory of 4048	1928	a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe	a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe
PID 1928 wrote to memory of 4048	1928	a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe	a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe
PID 1928 wrote to memory of 4048	1928	a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe	a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe
PID 1928 wrote to memory of 4048	1928	a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe	a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe
PID 1928 wrote to memory of 4048	1928	a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe	a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe
PID 1928 wrote to memory of 4048	1928	a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe	a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe
PID 1928 wrote to memory of 4048	1928	a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe	a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe
PID 1928 wrote to memory of 4048	1928	a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe	a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe
PID 1928 wrote to memory of 4048	1928	a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe	a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe
PID 1928 wrote to memory of 4048	1928	a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe	a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe
PID 4048 wrote to memory of 2532	4048	a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe	build2.exe
PID 4048 wrote to memory of 2532	4048	a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe	build2.exe
PID 4048 wrote to memory of 2532	4048	a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe	build2.exe
PID 2532 wrote to memory of 1880	2532	build2.exe	build2.exe
PID 2532 wrote to memory of 1880	2532	build2.exe	build2.exe
PID 2532 wrote to memory of 1880	2532	build2.exe	build2.exe
PID 2532 wrote to memory of 1880	2532	build2.exe	build2.exe
PID 2532 wrote to memory of 1880	2532	build2.exe	build2.exe
PID 2532 wrote to memory of 1880	2532	build2.exe	build2.exe
PID 2532 wrote to memory of 1880	2532	build2.exe	build2.exe
PID 2532 wrote to memory of 1880	2532	build2.exe	build2.exe
PID 1880 wrote to memory of 604	1880	build2.exe	cmd.exe
PID 1880 wrote to memory of 604	1880	build2.exe	cmd.exe
PID 1880 wrote to memory of 604	1880	build2.exe	cmd.exe
PID 604 wrote to memory of 1096	604	cmd.exe	taskkill.exe
PID 604 wrote to memory of 1096	604	cmd.exe	taskkill.exe
PID 604 wrote to memory of 1096	604	cmd.exe	taskkill.exe
PID 604 wrote to memory of 892	604	cmd.exe	timeout.exe
PID 604 wrote to memory of 892	604	cmd.exe	timeout.exe
PID 604 wrote to memory of 892	604	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe
"C:\Users\Admin\AppData\Local\Temp\a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3168

C:\Users\Admin\AppData\Local\Temp\a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe
"C:\Users\Admin\AppData\Local\Temp\a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe"
2⤵
- Adds Run key to start application
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2616

C:\Windows\SysWOW64\icacls.exe
icacls "C:\Users\Admin\AppData\Local\8292c459-f340-497b-85eb-c0946e6d3f2c" /deny *S-1-1-0:(OI)(CI)(DE,DC)
3⤵
- Modifies file permissions
PID:1108

C:\Users\Admin\AppData\Local\Temp\a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe
"C:\Users\Admin\AppData\Local\Temp\a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe" --Admin IsNotAutoStart IsNotTask
3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1928

C:\Users\Admin\AppData\Local\Temp\a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe
"C:\Users\Admin\AppData\Local\Temp\a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe" --Admin IsNotAutoStart IsNotTask
4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4048

C:\Users\Admin\AppData\Local\4844d8d5-8b15-4314-aa8b-97bce3c18dec\build2.exe
"C:\Users\Admin\AppData\Local\4844d8d5-8b15-4314-aa8b-97bce3c18dec\build2.exe"
5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2532

C:\Users\Admin\AppData\Local\4844d8d5-8b15-4314-aa8b-97bce3c18dec\build2.exe
"C:\Users\Admin\AppData\Local\4844d8d5-8b15-4314-aa8b-97bce3c18dec\build2.exe"
6⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1880

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\4844d8d5-8b15-4314-aa8b-97bce3c18dec\build2.exe" & del C:\ProgramData\*.dll & exit
7⤵
- Suspicious use of WriteProcessMemory
PID:604

C:\Windows\SysWOW64\taskkill.exe
taskkill /im build2.exe /f
8⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1096

C:\Windows\SysWOW64\timeout.exe
timeout /t 6
8⤵
- Delays execution with timeout.exe
PID:892

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
dfd1d8c11c8e104d9ca31b6b589fb717

SHA1
50e4a082219aa5c4e2376f1e9910a748287bef36

SHA256
7e5518f47ccc38390147991b40a3addde74cb52264f8808cf1088f5f711e2345

SHA512
31fea2c3cd0ad810a7a298251571ef14ac2445f8fe1fc5e806f26378a9397c47a04790b9a3c5a02af83c0e572878e7d6c59c7751a8be012902c1c86b699dd216

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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
MD5
0ffb91dc0ac91e9630245216a5677aff

SHA1
d861ae5652a25d5f0396178818058150adf00273

SHA256
b88d9ca03ea0f1c5900d203f3e416f0fa159823801358261823b5898cd97fe6b

SHA512
063f2bce3ead49f7bd9a7c8aa21161f78a25362034c2973f4d4721001f475296b7aee221801b7dc28a342bb5f4688be58c999ff13e777a19d8eb8147a75bcbc5

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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
MD5
d6d736aacfaf3c857ae73431149ffc31

SHA1
1b04b0f97482dcd71ce1a7d919f601d444db2a80

SHA256
2c443adb71ded84baaacd19ac7321cce3b4598008be21277851eaa7bd00f5fb2

SHA512
88d4255bba4ec323d6e72dbe7a884ac4c8c956ae60ae4159964d402a0e132e0e0cc92d169834537b93995f8b4785b99710d918a12668ce2f920efcf76483b1d2

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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
MD5
d21c1036dd0d5c20977641ace1b9ac39

SHA1
bf464c1f0e5f078973dd3fe6c94a5550a4bbb316

SHA256
51e6f839a0aa38e58cb6f51b9263b0b953b661537f81b1a23f34a05f49bda04b

SHA512
4a545cbfed5a8b31cd4f71e57d5486ff76146256b6a1542b087a3989ea41529678d6312f06a1064aa220303d420cfe3b927356adb80550f0791b155dc203826d

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C:\Users\Admin\AppData\Local\4844d8d5-8b15-4314-aa8b-97bce3c18dec\build2.exe
MD5
37f77c6f8805407d31d2b2b63e853316

SHA1
2535b538d6c9337a10ac4ed80f5f7b6bceeea00a

SHA256
c19a32b2c1b56473245cb672da9d589227f52966b40c9b761765e85418052f35

SHA512
71208f96291b8d808e33202587882bbd771a5169e60ba1568051148535977475f345c3f61f1a1d4a413b4a3ed278d6167335d9ea49b7b318d6ee303ae3db4cb1

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C:\Users\Admin\AppData\Local\4844d8d5-8b15-4314-aa8b-97bce3c18dec\build2.exe
MD5
37f77c6f8805407d31d2b2b63e853316

SHA1
2535b538d6c9337a10ac4ed80f5f7b6bceeea00a

SHA256
c19a32b2c1b56473245cb672da9d589227f52966b40c9b761765e85418052f35

SHA512
71208f96291b8d808e33202587882bbd771a5169e60ba1568051148535977475f345c3f61f1a1d4a413b4a3ed278d6167335d9ea49b7b318d6ee303ae3db4cb1

Download Submit
C:\Users\Admin\AppData\Local\4844d8d5-8b15-4314-aa8b-97bce3c18dec\build2.exe
MD5
37f77c6f8805407d31d2b2b63e853316

SHA1
2535b538d6c9337a10ac4ed80f5f7b6bceeea00a

SHA256
c19a32b2c1b56473245cb672da9d589227f52966b40c9b761765e85418052f35

SHA512
71208f96291b8d808e33202587882bbd771a5169e60ba1568051148535977475f345c3f61f1a1d4a413b4a3ed278d6167335d9ea49b7b318d6ee303ae3db4cb1

Download Submit
C:\Users\Admin\AppData\Local\8292c459-f340-497b-85eb-c0946e6d3f2c\a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74.exe
MD5
ee00d6c3af91be3b1661880211807f5b

SHA1
1df8a6917f572559ba094d3fe48b03902e5938b7

SHA256
a453572b68fca164d47b6b6a4d477000c03deff034e2131b1a3a8aff845d2f74

SHA512
3bf4f5b37b726d51c5a2e761d39adb2b3d4b0f78cb6b1121088b4eb4ee41f7a0eb160858f296d93dd7510b4345fbdcb96f236a85406afb46cd0118f3524272fb

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\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/604-142-0x0000000000000000-mapping.dmp

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memory/892-144-0x0000000000000000-mapping.dmp

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memory/1096-143-0x0000000000000000-mapping.dmp

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memory/1108-120-0x0000000000000000-mapping.dmp

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memory/1880-139-0x0000000000400000-0x00000000004DC000-memory.dmp

Filesize
880KB

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memory/1880-135-0x00000000004A51CD-mapping.dmp

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memory/1880-134-0x0000000000400000-0x00000000004DC000-memory.dmp

Filesize
880KB

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memory/1928-123-0x0000000000815000-0x00000000008A6000-memory.dmp

Filesize
580KB

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memory/1928-122-0x0000000000000000-mapping.dmp

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memory/2532-131-0x0000000000000000-mapping.dmp

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memory/2532-138-0x00000000048D0000-0x00000000049A9000-memory.dmp

Filesize
868KB

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memory/2532-137-0x0000000004850000-0x00000000048CD000-memory.dmp

Filesize
500KB

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memory/2616-119-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

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memory/2616-118-0x0000000000424141-mapping.dmp

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memory/2616-117-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

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memory/3168-115-0x0000000000637000-0x00000000006C8000-memory.dmp

Filesize
580KB

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memory/3168-116-0x0000000000760000-0x000000000087B000-memory.dmp

Filesize
1.1MB

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memory/4048-125-0x0000000000424141-mapping.dmp

Download
memory/4048-130-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

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