djvu | b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29

Analysis

max time kernel
125s
max time network
138s
platform
windows10_x64
resource
win10-en-20210920
submitted
22-10-2021 22:30

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General

Target

b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe
Size

853KB
MD5

1f762973f3ef9c0eb84f1e72739241e8
SHA1

8180a2cf4557ddd2999e14ea168f7b7c72b1095e
SHA256

b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29
SHA512

5e755530b6974ea5d1a36bdfae69d02ce750fcaa2095d971ed84ff12cedfeca403214cc41f0f319e8d5d9d9b35c66c115a15afbb499a80060c2b5c5e2482188a

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/2156-116-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2156-117-0x0000000000424141-mapping.dmp	family_djvu
behavioral1/memory/1860-118-0x0000000000EB0000-0x0000000000FCB000-memory.dmp	family_djvu
behavioral1/memory/2156-120-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/712-125-0x0000000000424141-mapping.dmp	family_djvu
behavioral1/memory/712-126-0x0000000000400000-0x0000000000537000-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 3 IoCs

stealer

Processes:

resource	yara_rule
behavioral1/memory/2184-135-0x0000000000400000-0x00000000004D9000-memory.dmp	family_vidar
behavioral1/memory/2184-136-0x00000000004A18CD-mapping.dmp	family_vidar
behavioral1/memory/2184-139-0x0000000000400000-0x00000000004D9000-memory.dmp	family_vidar

Downloads MZ/PE file
Executes dropped EXE 2 IoCs

Processes:

build2.exebuild2.exe

pid process

2936 build2.exe
2184 build2.exe
Loads dropped DLL 2 IoCs

Processes:

build2.exe

pid process

2184 build2.exe
2184 build2.exe
Modifies file permissions 1 TTPs 1 IoCs
discovery

File Permissions Modification
T1222

Processes:

icacls.exe

pid process

1220 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
2936	build2.exe
2184	build2.exe

pid	process
2184	build2.exe
2184	build2.exe

pid	process
1220	icacls.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.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\\703da5d6-b4f7-4b55-a1d5-3716ecbf53eb\\b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe\" --AutoStart"	b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.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

8 api.2ip.ua
9 api.2ip.ua
26 api.2ip.ua

flow	ioc
8	api.2ip.ua
9	api.2ip.ua
26	api.2ip.ua

Suspicious use of SetThreadContext 3 IoCs

Processes:

b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exeb01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exebuild2.exe

description	pid	process	target process
PID 1860 set thread context of 2156	1860	b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe	b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe
PID 1644 set thread context of 712	1644	b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe	b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe
PID 2936 set thread context of 2184	2936	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

1640 timeout.exe
Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

892 taskkill.exe

pid	process
1640	timeout.exe

pid	process
892	taskkill.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exeb01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exebuild2.exe

pid	process
2156	b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe
2156	b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe
712	b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe
712	b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe
2184	build2.exe
2184	build2.exe
2184	build2.exe
2184	build2.exe
2184	build2.exe
2184	build2.exe
2184	build2.exe
2184	build2.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 892 taskkill.exe

description	pid	process
Token: SeDebugPrivilege	892	taskkill.exe

Suspicious use of WriteProcessMemory 46 IoCs

Processes:

b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exeb01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exeb01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exeb01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exebuild2.exebuild2.execmd.exe

description	pid	process	target process
PID 1860 wrote to memory of 2156	1860	b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe	b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe
PID 1860 wrote to memory of 2156	1860	b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe	b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe
PID 1860 wrote to memory of 2156	1860	b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe	b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe
PID 1860 wrote to memory of 2156	1860	b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe	b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe
PID 1860 wrote to memory of 2156	1860	b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe	b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe
PID 1860 wrote to memory of 2156	1860	b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe	b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe
PID 1860 wrote to memory of 2156	1860	b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe	b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe
PID 1860 wrote to memory of 2156	1860	b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe	b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe
PID 1860 wrote to memory of 2156	1860	b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe	b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe
PID 1860 wrote to memory of 2156	1860	b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe	b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe
PID 2156 wrote to memory of 1220	2156	b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe	icacls.exe
PID 2156 wrote to memory of 1220	2156	b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe	icacls.exe
PID 2156 wrote to memory of 1220	2156	b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe	icacls.exe
PID 2156 wrote to memory of 1644	2156	b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe	b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe
PID 2156 wrote to memory of 1644	2156	b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe	b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe
PID 2156 wrote to memory of 1644	2156	b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe	b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe
PID 1644 wrote to memory of 712	1644	b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe	b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe
PID 1644 wrote to memory of 712	1644	b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe	b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe
PID 1644 wrote to memory of 712	1644	b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe	b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe
PID 1644 wrote to memory of 712	1644	b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe	b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe
PID 1644 wrote to memory of 712	1644	b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe	b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe
PID 1644 wrote to memory of 712	1644	b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe	b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe
PID 1644 wrote to memory of 712	1644	b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe	b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe
PID 1644 wrote to memory of 712	1644	b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe	b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe
PID 1644 wrote to memory of 712	1644	b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe	b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe
PID 1644 wrote to memory of 712	1644	b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe	b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe
PID 712 wrote to memory of 2936	712	b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe	build2.exe
PID 712 wrote to memory of 2936	712	b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe	build2.exe
PID 712 wrote to memory of 2936	712	b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe	build2.exe
PID 2936 wrote to memory of 2184	2936	build2.exe	build2.exe
PID 2936 wrote to memory of 2184	2936	build2.exe	build2.exe
PID 2936 wrote to memory of 2184	2936	build2.exe	build2.exe
PID 2936 wrote to memory of 2184	2936	build2.exe	build2.exe
PID 2936 wrote to memory of 2184	2936	build2.exe	build2.exe
PID 2936 wrote to memory of 2184	2936	build2.exe	build2.exe
PID 2936 wrote to memory of 2184	2936	build2.exe	build2.exe
PID 2936 wrote to memory of 2184	2936	build2.exe	build2.exe
PID 2184 wrote to memory of 3604	2184	build2.exe	cmd.exe
PID 2184 wrote to memory of 3604	2184	build2.exe	cmd.exe
PID 2184 wrote to memory of 3604	2184	build2.exe	cmd.exe
PID 3604 wrote to memory of 892	3604	cmd.exe	taskkill.exe
PID 3604 wrote to memory of 892	3604	cmd.exe	taskkill.exe
PID 3604 wrote to memory of 892	3604	cmd.exe	taskkill.exe
PID 3604 wrote to memory of 1640	3604	cmd.exe	timeout.exe
PID 3604 wrote to memory of 1640	3604	cmd.exe	timeout.exe
PID 3604 wrote to memory of 1640	3604	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe
"C:\Users\Admin\AppData\Local\Temp\b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1860

C:\Users\Admin\AppData\Local\Temp\b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe
"C:\Users\Admin\AppData\Local\Temp\b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe"
2⤵
- Adds Run key to start application
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2156

C:\Windows\SysWOW64\icacls.exe
icacls "C:\Users\Admin\AppData\Local\703da5d6-b4f7-4b55-a1d5-3716ecbf53eb" /deny *S-1-1-0:(OI)(CI)(DE,DC)
3⤵
- Modifies file permissions
PID:1220

C:\Users\Admin\AppData\Local\Temp\b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe
"C:\Users\Admin\AppData\Local\Temp\b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe" --Admin IsNotAutoStart IsNotTask
3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1644

C:\Users\Admin\AppData\Local\Temp\b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe
"C:\Users\Admin\AppData\Local\Temp\b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe" --Admin IsNotAutoStart IsNotTask
4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:712

C:\Users\Admin\AppData\Local\47c809e8-79cf-475f-a22f-5c437e5a323a\build2.exe
"C:\Users\Admin\AppData\Local\47c809e8-79cf-475f-a22f-5c437e5a323a\build2.exe"
5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2936

C:\Users\Admin\AppData\Local\47c809e8-79cf-475f-a22f-5c437e5a323a\build2.exe
"C:\Users\Admin\AppData\Local\47c809e8-79cf-475f-a22f-5c437e5a323a\build2.exe"
6⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2184

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\47c809e8-79cf-475f-a22f-5c437e5a323a\build2.exe" & del C:\ProgramData\*.dll & exit
7⤵
- Suspicious use of WriteProcessMemory
PID:3604

C:\Windows\SysWOW64\taskkill.exe
taskkill /im build2.exe /f
8⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:892

C:\Windows\SysWOW64\timeout.exe
timeout /t 6
8⤵
- Delays execution with timeout.exe
PID:1640

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
50d9d5311b74576fbbb5c9f204fdc16b

SHA1
7dd97b713e33f287440441aa3bb7966a2cb68321

SHA256
d76a71e8dfd6961d4912a23b2fd207f2a93c67523dfcda252358eafa5821b2ad

SHA512
67d02ce79bb8fd641783ba12ab5587900a03416627939084ce87f22b42ca7d50765947e2238b3c6a70a74bce3c9233b486aaa10feb57e714646e4d02c0c926c0

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

SHA1
142443021d6ffaf32d3d60635d0edf540a039f2e

SHA256
49607d1b931a79642c5268292b4f16f2db7ec77b53f8abddbc0cce36ed88e3f7

SHA512
6577704c531cc07d1ae8d61dfe6d8735d29d1386038fa9e3f5580c80c30dc04570ec0160f51903d05b180c4af68f0eb8e23e2106c3bb367afd32d033aae031e6

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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
MD5
5b819db4f51327e99640bbf786dadb24

SHA1
e23f7ca257b67b22bb98c6b854e92b0fbd33a8d4

SHA256
44d4fec9bb2b19062e5cddfc6d28d9df3b0eb9d069f1131e1f17070e2f87471f

SHA512
0c5716dfe5a0dc19a10da868333b7f74903b4e3c400de1c54beeae25259a5875694c2ec2c9540591689108604dba66a4c9487cc6c466da067894f27a5e9ca348

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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
MD5
7d46e1a99b7c3bad6632d0d81cb4c057

SHA1
c18ec6d2961e351f98522ebff2996cf270995d29

SHA256
1fb1a75cba43c9b4d9721d46dc92a866331ec8b6f83cbdaa4374f62fa4d4e108

SHA512
fe251f0e5aac687bed7f23014303d73d09d3f4285ffee256a0d3dda071d605f1b1fc1b01ec7ab48195622570da4d6d1300cc34f4436285f20bf2a9619c319362

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C:\Users\Admin\AppData\Local\47c809e8-79cf-475f-a22f-5c437e5a323a\build2.exe
MD5
a2ef57bbe3a8af95196a419a7962bfaa

SHA1
1a0c42723cd1e2e947f904619de7fcea5ca4a183

SHA256
4bc52cd8296fcffc22b5ca8ebf2b161260d71c8d34658f45c9c93cf6d65749e9

SHA512
ca4781632cc0fb2c53f1ae0d0b798da386514f58b6a48845197eea05da7af162405dee1d4b139e661798c29a095e50cdde9f193dea4a9c5366ee763a899ac160

Download Submit
C:\Users\Admin\AppData\Local\47c809e8-79cf-475f-a22f-5c437e5a323a\build2.exe
MD5
a2ef57bbe3a8af95196a419a7962bfaa

SHA1
1a0c42723cd1e2e947f904619de7fcea5ca4a183

SHA256
4bc52cd8296fcffc22b5ca8ebf2b161260d71c8d34658f45c9c93cf6d65749e9

SHA512
ca4781632cc0fb2c53f1ae0d0b798da386514f58b6a48845197eea05da7af162405dee1d4b139e661798c29a095e50cdde9f193dea4a9c5366ee763a899ac160

Download Submit
C:\Users\Admin\AppData\Local\47c809e8-79cf-475f-a22f-5c437e5a323a\build2.exe
MD5
a2ef57bbe3a8af95196a419a7962bfaa

SHA1
1a0c42723cd1e2e947f904619de7fcea5ca4a183

SHA256
4bc52cd8296fcffc22b5ca8ebf2b161260d71c8d34658f45c9c93cf6d65749e9

SHA512
ca4781632cc0fb2c53f1ae0d0b798da386514f58b6a48845197eea05da7af162405dee1d4b139e661798c29a095e50cdde9f193dea4a9c5366ee763a899ac160

Download Submit
C:\Users\Admin\AppData\Local\703da5d6-b4f7-4b55-a1d5-3716ecbf53eb\b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29.exe
MD5
1f762973f3ef9c0eb84f1e72739241e8

SHA1
8180a2cf4557ddd2999e14ea168f7b7c72b1095e

SHA256
b01beeb1e5331f73cf0a30720545b81e89eb7a9163064c12f4b2a7ac37716b29

SHA512
5e755530b6974ea5d1a36bdfae69d02ce750fcaa2095d971ed84ff12cedfeca403214cc41f0f319e8d5d9d9b35c66c115a15afbb499a80060c2b5c5e2482188a

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\ProgramData\mozglue.dll
MD5
8f73c08a9660691143661bf7332c3c27

SHA1
37fa65dd737c50fda710fdbde89e51374d0c204a

SHA256
3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

SHA512
0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

Download Submit
\ProgramData\nss3.dll
MD5
bfac4e3c5908856ba17d41edcd455a51

SHA1
8eec7e888767aa9e4cca8ff246eb2aacb9170428

SHA256
e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

SHA512
2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

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memory/712-126-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

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memory/712-125-0x0000000000424141-mapping.dmp

Download
memory/892-143-0x0000000000000000-mapping.dmp

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memory/1220-119-0x0000000000000000-mapping.dmp

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memory/1640-144-0x0000000000000000-mapping.dmp

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memory/1644-123-0x0000000000D79000-0x0000000000E0A000-memory.dmp

Filesize
580KB

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memory/1644-122-0x0000000000000000-mapping.dmp

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memory/1860-115-0x0000000000AD1000-0x0000000000B62000-memory.dmp

Filesize
580KB

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memory/1860-118-0x0000000000EB0000-0x0000000000FCB000-memory.dmp

Filesize
1.1MB

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memory/2156-120-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2156-117-0x0000000000424141-mapping.dmp

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memory/2156-116-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2184-139-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

Download
memory/2184-136-0x00000000004A18CD-mapping.dmp

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memory/2184-135-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

Download
memory/2936-131-0x0000000000000000-mapping.dmp

Download
memory/2936-138-0x00000000030B0000-0x00000000031FA000-memory.dmp

Filesize
1.3MB

Download
memory/2936-134-0x00000000032B9000-0x0000000003335000-memory.dmp

Filesize
496KB

Download
memory/3604-142-0x0000000000000000-mapping.dmp

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