djvu | b4a1845a21726b4826eb4157114d424c9a0f1c3112f67f587cbea352dd33ac61

Resubmissions

04-06-2021 01:54

210604-q1mqz6zlf2 10

03-06-2021 12:45

210603-5fgyg6535j 10

Analysis

max time kernel
67s
max time network
128s
platform
windows10_x64
resource
win10v20210410
submitted
03-06-2021 12:45

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General

Target

570fbe91fdd6d1eb8cfd2f03c032cdde.exe
Size

872KB
MD5

570fbe91fdd6d1eb8cfd2f03c032cdde
SHA1

59d07617c682fed330d82b1d97f1bf32c30c6ff1
SHA256

b4a1845a21726b4826eb4157114d424c9a0f1c3112f67f587cbea352dd33ac61
SHA512

e0cd9f67e26140b22dbcee760b0690e5dd2bb0242091d3c759c123789c6b2bb8abbf1c2a80d6b4e1b00f9097f4f782ba2035041c92afc2280dd75a9dc21f7fb6

Score

10^/10

djvu vidar 517 discovery evasion persistence ransomware spyware stealer

Malware Config

Extracted

Family

vidar

Version

39.2

Botnet

517

https://dimashub.tumblr.com

Attributes

profile_id
517

Signatures

Deletes Windows Defender Definitions 2 TTPs 1 IoCs
Uses mpcmdrun utility to delete all AV definitions.
evasion

Impair Defenses
T1562

Command-Line Interface
T1059

Processes:

mpcmdrun.exe

pid process

4064 mpcmdrun.exe
Djvu Ransomware
Ransomware which is a variant of the STOP family.
ransomware djvu
Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar

pid	process
4064	mpcmdrun.exe

Vidar Stealer 3 IoCs

stealer

Processes:

resource	yara_rule
behavioral2/memory/488-157-0x0000000000400000-0x000000000049A000-memory.dmp	family_vidar
behavioral2/memory/488-158-0x000000000046803D-mapping.dmp	family_vidar
behavioral2/memory/488-161-0x0000000000400000-0x000000000049A000-memory.dmp	family_vidar

Disables Task Manager via registry modification
evasion
Downloads MZ/PE file
Drops file in Drivers directory 1 IoCs

Processes:

updatewin2.exe

description ioc process

File opened for modification C:\Windows\System32\drivers\etc\hosts updatewin2.exe
Executes dropped EXE 5 IoCs

Processes:

updatewin1.exeupdatewin2.exeupdatewin1.exe5.exe5.exe

pid process

1556 updatewin1.exe
2612 updatewin2.exe
2780 updatewin1.exe
1168 5.exe
488 5.exe
Loads dropped DLL 2 IoCs

Processes:

5.exe

pid process

488 5.exe
488 5.exe
Modifies file permissions 1 TTPs 1 IoCs
discovery

File Permissions Modification
T1222

Processes:

icacls.exe

pid process

1872 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

description	ioc	process
File opened for modification	C:\Windows\System32\drivers\etc\hosts	updatewin2.exe

pid	process
1556	updatewin1.exe
2612	updatewin2.exe
2780	updatewin1.exe
1168	5.exe
488	5.exe

pid	process
488	5.exe
488	5.exe

pid	process
1872	icacls.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

570fbe91fdd6d1eb8cfd2f03c032cdde.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\0a653335-a83d-4f1b-a6e0-1cc0ba591765\\570fbe91fdd6d1eb8cfd2f03c032cdde.exe\" --AutoStart"	570fbe91fdd6d1eb8cfd2f03c032cdde.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

15 api.2ip.ua
16 api.2ip.ua
23 api.2ip.ua

flow	ioc
15	api.2ip.ua
16	api.2ip.ua
23	api.2ip.ua

Suspicious use of SetThreadContext 3 IoCs

Processes:

570fbe91fdd6d1eb8cfd2f03c032cdde.exe570fbe91fdd6d1eb8cfd2f03c032cdde.exe5.exe

description	pid	process	target process
PID 3424 set thread context of 208	3424	570fbe91fdd6d1eb8cfd2f03c032cdde.exe	570fbe91fdd6d1eb8cfd2f03c032cdde.exe
PID 3632 set thread context of 3400	3632	570fbe91fdd6d1eb8cfd2f03c032cdde.exe	570fbe91fdd6d1eb8cfd2f03c032cdde.exe
PID 1168 set thread context of 488	1168	5.exe	5.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:

5.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	5.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	5.exe

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

2408 timeout.exe
Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

216 taskkill.exe

pid	process
2408	timeout.exe

pid	process
216	taskkill.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

570fbe91fdd6d1eb8cfd2f03c032cdde.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	570fbe91fdd6d1eb8cfd2f03c032cdde.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	570fbe91fdd6d1eb8cfd2f03c032cdde.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

Processes:

570fbe91fdd6d1eb8cfd2f03c032cdde.exe570fbe91fdd6d1eb8cfd2f03c032cdde.exepowershell.exepowershell.exepowershell.exe5.exe

pid	process
208	570fbe91fdd6d1eb8cfd2f03c032cdde.exe
208	570fbe91fdd6d1eb8cfd2f03c032cdde.exe
3400	570fbe91fdd6d1eb8cfd2f03c032cdde.exe
3400	570fbe91fdd6d1eb8cfd2f03c032cdde.exe
2140	powershell.exe
2140	powershell.exe
2140	powershell.exe
2140	powershell.exe
2176	powershell.exe
2176	powershell.exe
2176	powershell.exe
4028	powershell.exe
4028	powershell.exe
4028	powershell.exe
488	5.exe
488	5.exe
488	5.exe
488	5.exe
488	5.exe
488	5.exe
488	5.exe
488	5.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

powershell.exepowershell.exepowershell.exetaskkill.exe

description	pid	process
Token: SeDebugPrivilege	2140	powershell.exe
Token: SeDebugPrivilege	2176	powershell.exe
Token: SeDebugPrivilege	4028	powershell.exe
Token: SeDebugPrivilege	216	taskkill.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

570fbe91fdd6d1eb8cfd2f03c032cdde.exe570fbe91fdd6d1eb8cfd2f03c032cdde.exe570fbe91fdd6d1eb8cfd2f03c032cdde.exe570fbe91fdd6d1eb8cfd2f03c032cdde.exeupdatewin1.exeupdatewin1.exe5.exepowershell.exe5.execmd.exe

description	pid	process	target process
PID 3424 wrote to memory of 208	3424	570fbe91fdd6d1eb8cfd2f03c032cdde.exe	570fbe91fdd6d1eb8cfd2f03c032cdde.exe
PID 3424 wrote to memory of 208	3424	570fbe91fdd6d1eb8cfd2f03c032cdde.exe	570fbe91fdd6d1eb8cfd2f03c032cdde.exe
PID 3424 wrote to memory of 208	3424	570fbe91fdd6d1eb8cfd2f03c032cdde.exe	570fbe91fdd6d1eb8cfd2f03c032cdde.exe
PID 3424 wrote to memory of 208	3424	570fbe91fdd6d1eb8cfd2f03c032cdde.exe	570fbe91fdd6d1eb8cfd2f03c032cdde.exe
PID 3424 wrote to memory of 208	3424	570fbe91fdd6d1eb8cfd2f03c032cdde.exe	570fbe91fdd6d1eb8cfd2f03c032cdde.exe
PID 3424 wrote to memory of 208	3424	570fbe91fdd6d1eb8cfd2f03c032cdde.exe	570fbe91fdd6d1eb8cfd2f03c032cdde.exe
PID 3424 wrote to memory of 208	3424	570fbe91fdd6d1eb8cfd2f03c032cdde.exe	570fbe91fdd6d1eb8cfd2f03c032cdde.exe
PID 3424 wrote to memory of 208	3424	570fbe91fdd6d1eb8cfd2f03c032cdde.exe	570fbe91fdd6d1eb8cfd2f03c032cdde.exe
PID 3424 wrote to memory of 208	3424	570fbe91fdd6d1eb8cfd2f03c032cdde.exe	570fbe91fdd6d1eb8cfd2f03c032cdde.exe
PID 3424 wrote to memory of 208	3424	570fbe91fdd6d1eb8cfd2f03c032cdde.exe	570fbe91fdd6d1eb8cfd2f03c032cdde.exe
PID 208 wrote to memory of 1872	208	570fbe91fdd6d1eb8cfd2f03c032cdde.exe	icacls.exe
PID 208 wrote to memory of 1872	208	570fbe91fdd6d1eb8cfd2f03c032cdde.exe	icacls.exe
PID 208 wrote to memory of 1872	208	570fbe91fdd6d1eb8cfd2f03c032cdde.exe	icacls.exe
PID 208 wrote to memory of 3632	208	570fbe91fdd6d1eb8cfd2f03c032cdde.exe	570fbe91fdd6d1eb8cfd2f03c032cdde.exe
PID 208 wrote to memory of 3632	208	570fbe91fdd6d1eb8cfd2f03c032cdde.exe	570fbe91fdd6d1eb8cfd2f03c032cdde.exe
PID 208 wrote to memory of 3632	208	570fbe91fdd6d1eb8cfd2f03c032cdde.exe	570fbe91fdd6d1eb8cfd2f03c032cdde.exe
PID 3632 wrote to memory of 3400	3632	570fbe91fdd6d1eb8cfd2f03c032cdde.exe	570fbe91fdd6d1eb8cfd2f03c032cdde.exe
PID 3632 wrote to memory of 3400	3632	570fbe91fdd6d1eb8cfd2f03c032cdde.exe	570fbe91fdd6d1eb8cfd2f03c032cdde.exe
PID 3632 wrote to memory of 3400	3632	570fbe91fdd6d1eb8cfd2f03c032cdde.exe	570fbe91fdd6d1eb8cfd2f03c032cdde.exe
PID 3632 wrote to memory of 3400	3632	570fbe91fdd6d1eb8cfd2f03c032cdde.exe	570fbe91fdd6d1eb8cfd2f03c032cdde.exe
PID 3632 wrote to memory of 3400	3632	570fbe91fdd6d1eb8cfd2f03c032cdde.exe	570fbe91fdd6d1eb8cfd2f03c032cdde.exe
PID 3632 wrote to memory of 3400	3632	570fbe91fdd6d1eb8cfd2f03c032cdde.exe	570fbe91fdd6d1eb8cfd2f03c032cdde.exe
PID 3632 wrote to memory of 3400	3632	570fbe91fdd6d1eb8cfd2f03c032cdde.exe	570fbe91fdd6d1eb8cfd2f03c032cdde.exe
PID 3632 wrote to memory of 3400	3632	570fbe91fdd6d1eb8cfd2f03c032cdde.exe	570fbe91fdd6d1eb8cfd2f03c032cdde.exe
PID 3632 wrote to memory of 3400	3632	570fbe91fdd6d1eb8cfd2f03c032cdde.exe	570fbe91fdd6d1eb8cfd2f03c032cdde.exe
PID 3632 wrote to memory of 3400	3632	570fbe91fdd6d1eb8cfd2f03c032cdde.exe	570fbe91fdd6d1eb8cfd2f03c032cdde.exe
PID 3400 wrote to memory of 1556	3400	570fbe91fdd6d1eb8cfd2f03c032cdde.exe	updatewin1.exe
PID 3400 wrote to memory of 1556	3400	570fbe91fdd6d1eb8cfd2f03c032cdde.exe	updatewin1.exe
PID 3400 wrote to memory of 1556	3400	570fbe91fdd6d1eb8cfd2f03c032cdde.exe	updatewin1.exe
PID 3400 wrote to memory of 2612	3400	570fbe91fdd6d1eb8cfd2f03c032cdde.exe	updatewin2.exe
PID 3400 wrote to memory of 2612	3400	570fbe91fdd6d1eb8cfd2f03c032cdde.exe	updatewin2.exe
PID 3400 wrote to memory of 2612	3400	570fbe91fdd6d1eb8cfd2f03c032cdde.exe	updatewin2.exe
PID 1556 wrote to memory of 2780	1556	updatewin1.exe	updatewin1.exe
PID 1556 wrote to memory of 2780	1556	updatewin1.exe	updatewin1.exe
PID 1556 wrote to memory of 2780	1556	updatewin1.exe	updatewin1.exe
PID 3400 wrote to memory of 1168	3400	570fbe91fdd6d1eb8cfd2f03c032cdde.exe	5.exe
PID 3400 wrote to memory of 1168	3400	570fbe91fdd6d1eb8cfd2f03c032cdde.exe	5.exe
PID 3400 wrote to memory of 1168	3400	570fbe91fdd6d1eb8cfd2f03c032cdde.exe	5.exe
PID 2780 wrote to memory of 2140	2780	updatewin1.exe	powershell.exe
PID 2780 wrote to memory of 2140	2780	updatewin1.exe	powershell.exe
PID 2780 wrote to memory of 2140	2780	updatewin1.exe	powershell.exe
PID 1168 wrote to memory of 488	1168	5.exe	5.exe
PID 1168 wrote to memory of 488	1168	5.exe	5.exe
PID 1168 wrote to memory of 488	1168	5.exe	5.exe
PID 1168 wrote to memory of 488	1168	5.exe	5.exe
PID 1168 wrote to memory of 488	1168	5.exe	5.exe
PID 1168 wrote to memory of 488	1168	5.exe	5.exe
PID 1168 wrote to memory of 488	1168	5.exe	5.exe
PID 1168 wrote to memory of 488	1168	5.exe	5.exe
PID 2780 wrote to memory of 2176	2780	updatewin1.exe	powershell.exe
PID 2780 wrote to memory of 2176	2780	updatewin1.exe	powershell.exe
PID 2780 wrote to memory of 2176	2780	updatewin1.exe	powershell.exe
PID 2176 wrote to memory of 4028	2176	powershell.exe	powershell.exe
PID 2176 wrote to memory of 4028	2176	powershell.exe	powershell.exe
PID 2176 wrote to memory of 4028	2176	powershell.exe	powershell.exe
PID 2780 wrote to memory of 4064	2780	updatewin1.exe	mpcmdrun.exe
PID 2780 wrote to memory of 4064	2780	updatewin1.exe	mpcmdrun.exe
PID 2780 wrote to memory of 2412	2780	updatewin1.exe	cmd.exe
PID 2780 wrote to memory of 2412	2780	updatewin1.exe	cmd.exe
PID 2780 wrote to memory of 2412	2780	updatewin1.exe	cmd.exe
PID 488 wrote to memory of 3872	488	5.exe	cmd.exe
PID 488 wrote to memory of 3872	488	5.exe	cmd.exe
PID 488 wrote to memory of 3872	488	5.exe	cmd.exe
PID 3872 wrote to memory of 216	3872	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\570fbe91fdd6d1eb8cfd2f03c032cdde.exe
"C:\Users\Admin\AppData\Local\Temp\570fbe91fdd6d1eb8cfd2f03c032cdde.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3424

C:\Users\Admin\AppData\Local\Temp\570fbe91fdd6d1eb8cfd2f03c032cdde.exe
"C:\Users\Admin\AppData\Local\Temp\570fbe91fdd6d1eb8cfd2f03c032cdde.exe"
2⤵
- Adds Run key to start application
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:208

C:\Windows\SysWOW64\icacls.exe
icacls "C:\Users\Admin\AppData\Local\0a653335-a83d-4f1b-a6e0-1cc0ba591765" /deny *S-1-1-0:(OI)(CI)(DE,DC)
3⤵
- Modifies file permissions
PID:1872

C:\Users\Admin\AppData\Local\Temp\570fbe91fdd6d1eb8cfd2f03c032cdde.exe
"C:\Users\Admin\AppData\Local\Temp\570fbe91fdd6d1eb8cfd2f03c032cdde.exe" --Admin IsNotAutoStart IsNotTask
3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3632

C:\Users\Admin\AppData\Local\Temp\570fbe91fdd6d1eb8cfd2f03c032cdde.exe
"C:\Users\Admin\AppData\Local\Temp\570fbe91fdd6d1eb8cfd2f03c032cdde.exe" --Admin IsNotAutoStart IsNotTask
4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3400

C:\Users\Admin\AppData\Local\2cb9cc0c-ee13-490c-b5ba-09418553742a\updatewin1.exe
"C:\Users\Admin\AppData\Local\2cb9cc0c-ee13-490c-b5ba-09418553742a\updatewin1.exe"
5⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1556

C:\Users\Admin\AppData\Local\2cb9cc0c-ee13-490c-b5ba-09418553742a\updatewin1.exe
"C:\Users\Admin\AppData\Local\2cb9cc0c-ee13-490c-b5ba-09418553742a\updatewin1.exe" --Admin
6⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2780

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
powershell -Command Set-ExecutionPolicy -Scope CurrentUser RemoteSigned
7⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2140

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
powershell -NoProfile -ExecutionPolicy Bypass -Command "& {Start-Process PowerShell -ArgumentList '-NoProfile -ExecutionPolicy Bypass -File ""C:\Users\Admin\AppData\Local\script.ps1""' -Verb RunAs}"
7⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2176

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass -File "C:\Users\Admin\AppData\Local\script.ps1
8⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4028

C:\Program Files\Windows Defender\mpcmdrun.exe
"C:\Program Files\Windows Defender\mpcmdrun.exe" -removedefinitions -all
7⤵
- Deletes Windows Defender Definitions
PID:4064

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\delself.bat""
7⤵
PID:2412

C:\Users\Admin\AppData\Local\2cb9cc0c-ee13-490c-b5ba-09418553742a\updatewin2.exe
"C:\Users\Admin\AppData\Local\2cb9cc0c-ee13-490c-b5ba-09418553742a\updatewin2.exe"
5⤵
- Drops file in Drivers directory
- Executes dropped EXE
PID:2612

C:\Users\Admin\AppData\Local\2cb9cc0c-ee13-490c-b5ba-09418553742a\5.exe
"C:\Users\Admin\AppData\Local\2cb9cc0c-ee13-490c-b5ba-09418553742a\5.exe"
5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1168

C:\Users\Admin\AppData\Local\2cb9cc0c-ee13-490c-b5ba-09418553742a\5.exe
"C:\Users\Admin\AppData\Local\2cb9cc0c-ee13-490c-b5ba-09418553742a\5.exe"
6⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:488

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im 5.exe /f & timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\2cb9cc0c-ee13-490c-b5ba-09418553742a\5.exe" & del C:\ProgramData\*.dll & exit
7⤵
- Suspicious use of WriteProcessMemory
PID:3872

C:\Windows\SysWOW64\taskkill.exe
taskkill /im 5.exe /f
8⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:216

C:\Windows\SysWOW64\timeout.exe
timeout /t 6
8⤵
- Delays execution with timeout.exe
PID:2408

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Command-Line Interface

T1059

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Impair Defenses

T1562

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
360921605299f2c37ce953067083d840

SHA1
96055ef963eeda43f1615cb8088c362b0ca9c0c1

SHA256
7f45d2405b638ed521bcdb35c7063f9545b3254c67cd814a6ad9b96bb14209bd

SHA512
84fd4cb05d1113f9924a3a51793aa17811fb8f9e6fbe46ddab80a2e54c8b57b78e51347e38c800b31a8f758c66a6ae4cbf96190c1e8131c152c8b18b6d31db91

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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
MD5
f131aadce75d992ba6dedf3a751261a8

SHA1
6cd7b946704897ea1de7a75adb78be8e5aa029e8

SHA256
e3979a8a86ea91d35db4006f3a953c3bfa52d2a100c65e546a0c1df725a68f70

SHA512
a6216afe653123ebda5e759b06f5731b19b915951e24c550943af9eaf59bf402338183273e50d2ef5313117ba59208c46e768d9c207c608fa9af3c92db350fbd

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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
MD5
ff81d48ebde48bddf9ad1a5b2dbd849d

SHA1
8b6e604b773c79c8cc6e8f624e92da956bcb6564

SHA256
ff78451999bcea140846732de32a8d1292d8aac37d01fba32deb806a7e6ca97d

SHA512
839505c3ecf951b7e62121f17eb8c97708e67afec055e9e53aa8dd3749d13e0695bc7b27f64470b5f014a1d7055bc49b3c8d41d9eda528a8e60bc7b5319eae30

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
MD5
34cdcd1819a932e25bd43829c6152226

SHA1
8b8091a5f6aab6fa01b58bbc113565222e9bc9ce

SHA256
13b22851f1c4697f016909781dc0f4f5b9661ef99494a7888e2f792f4b0453c5

SHA512
697bfb0faf40c5861ab9380f33502b1750c155d71422585dafa616fac4e8311937676eb148cd24fe3a602560ac0a66167628230b7a27031f3958ed16bfb89f92

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C:\Users\Admin\AppData\Local\0a653335-a83d-4f1b-a6e0-1cc0ba591765\570fbe91fdd6d1eb8cfd2f03c032cdde.exe
MD5
570fbe91fdd6d1eb8cfd2f03c032cdde

SHA1
59d07617c682fed330d82b1d97f1bf32c30c6ff1

SHA256
b4a1845a21726b4826eb4157114d424c9a0f1c3112f67f587cbea352dd33ac61

SHA512
e0cd9f67e26140b22dbcee760b0690e5dd2bb0242091d3c759c123789c6b2bb8abbf1c2a80d6b4e1b00f9097f4f782ba2035041c92afc2280dd75a9dc21f7fb6

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C:\Users\Admin\AppData\Local\2cb9cc0c-ee13-490c-b5ba-09418553742a\5.exe
MD5
9243520e8665c620e93c10508bf2c223

SHA1
e9d1f0a0b4e6d6e0c5e1510d426cc319fca5526c

SHA256
33c2ca1cc03550022c20d672a3d541cb1b1d2009458dd46493bdf950e9ddc411

SHA512
2684136ae58fbde8fd4bb504463c2be0a8cc80ce5d891a20b364ca8f3af3bd503417ee641cd7dfd9cc207138e2c89debfbabf28f9de4d24e3e2b238f9129e971

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C:\Users\Admin\AppData\Local\2cb9cc0c-ee13-490c-b5ba-09418553742a\5.exe
MD5
9243520e8665c620e93c10508bf2c223

SHA1
e9d1f0a0b4e6d6e0c5e1510d426cc319fca5526c

SHA256
33c2ca1cc03550022c20d672a3d541cb1b1d2009458dd46493bdf950e9ddc411

SHA512
2684136ae58fbde8fd4bb504463c2be0a8cc80ce5d891a20b364ca8f3af3bd503417ee641cd7dfd9cc207138e2c89debfbabf28f9de4d24e3e2b238f9129e971

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C:\Users\Admin\AppData\Local\2cb9cc0c-ee13-490c-b5ba-09418553742a\5.exe
MD5
9243520e8665c620e93c10508bf2c223

SHA1
e9d1f0a0b4e6d6e0c5e1510d426cc319fca5526c

SHA256
33c2ca1cc03550022c20d672a3d541cb1b1d2009458dd46493bdf950e9ddc411

SHA512
2684136ae58fbde8fd4bb504463c2be0a8cc80ce5d891a20b364ca8f3af3bd503417ee641cd7dfd9cc207138e2c89debfbabf28f9de4d24e3e2b238f9129e971

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C:\Users\Admin\AppData\Local\2cb9cc0c-ee13-490c-b5ba-09418553742a\updatewin1.exe
MD5
5b4bd24d6240f467bfbc74803c9f15b0

SHA1
c17f98c182d299845c54069872e8137645768a1a

SHA256
14c7bec7369d4175c6d92554b033862b3847ff98a04dfebdf9f5bb30180ed13e

SHA512
a896acc38a6ff9641b0803f0598369c0d4fa8e38da28c1653c57948fe5e3274880d1b2e7959cd1b1da43375a1318b3ba72e13240bf40b27c852ee72bbb16cadc

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C:\Users\Admin\AppData\Local\2cb9cc0c-ee13-490c-b5ba-09418553742a\updatewin1.exe
MD5
5b4bd24d6240f467bfbc74803c9f15b0

SHA1
c17f98c182d299845c54069872e8137645768a1a

SHA256
14c7bec7369d4175c6d92554b033862b3847ff98a04dfebdf9f5bb30180ed13e

SHA512
a896acc38a6ff9641b0803f0598369c0d4fa8e38da28c1653c57948fe5e3274880d1b2e7959cd1b1da43375a1318b3ba72e13240bf40b27c852ee72bbb16cadc

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C:\Users\Admin\AppData\Local\2cb9cc0c-ee13-490c-b5ba-09418553742a\updatewin1.exe
MD5
5b4bd24d6240f467bfbc74803c9f15b0

SHA1
c17f98c182d299845c54069872e8137645768a1a

SHA256
14c7bec7369d4175c6d92554b033862b3847ff98a04dfebdf9f5bb30180ed13e

SHA512
a896acc38a6ff9641b0803f0598369c0d4fa8e38da28c1653c57948fe5e3274880d1b2e7959cd1b1da43375a1318b3ba72e13240bf40b27c852ee72bbb16cadc

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C:\Users\Admin\AppData\Local\2cb9cc0c-ee13-490c-b5ba-09418553742a\updatewin2.exe
MD5
996ba35165bb62473d2a6743a5200d45

SHA1
52169b0b5cce95c6905873b8d12a759c234bd2e0

SHA256
5caffdc76a562e098c471feaede5693f9ead92d5c6c10fb3951dd1fa6c12d21d

SHA512
2a7fb9bdf8dcf577ac851752f8875a710a3694b99d107c397942fce1392fd99ee0b85f1fddc18c33fba56d7b8fd4dda5f40f28e64d8398e6048c2ab140780634

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C:\Users\Admin\AppData\Local\2cb9cc0c-ee13-490c-b5ba-09418553742a\updatewin2.exe
MD5
996ba35165bb62473d2a6743a5200d45

SHA1
52169b0b5cce95c6905873b8d12a759c234bd2e0

SHA256
5caffdc76a562e098c471feaede5693f9ead92d5c6c10fb3951dd1fa6c12d21d

SHA512
2a7fb9bdf8dcf577ac851752f8875a710a3694b99d107c397942fce1392fd99ee0b85f1fddc18c33fba56d7b8fd4dda5f40f28e64d8398e6048c2ab140780634

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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
MD5
13151583954f0def829054cc3eae25ec

SHA1
2a2b013e8d4201ddc8a80f9680931873702d0213

SHA256
eb542ae9c791940e8e74833eb50543dbbcbc8bf8485698fad82a8b079546c8a7

SHA512
3f7a6d0e5ca29de7b02f5cb993c508ce0c0df12c3d970a3ad6da95149b4cb5cc7a138e7ed6f83e910cb39120f199b3f74fc0ec1a14ca86435a52f247c2514aaf

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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
MD5
7991e862a56bc4028f886736965e8591

SHA1
86e4d5fe25b4db42eb7a5ec7d1ed98e47fbfe514

SHA256
99acebb2cf75e72657e7f6f8502ee04c8bc2799274dd57d409d7ec687a2ea2d2

SHA512
8b7be35d04ba3cdf0524743eb0b68ccfaa157b1d4c909d7045ffb44e592d14187b13e07d438eed8b4760c6d3ea7b4c3a808d7bcd8515481d3491f5da8a914cb0

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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
MD5
da3f150aaf727de44cbf50df2f292cbf

SHA1
068705f65e2f405029a2bfd8551d7fc8b9069c66

SHA256
b083c83d4a077bcec147d766fc1ce4c4a6536604f6d426eef317942e38195f6c

SHA512
8d1cd064543a197912f2f1643ed892d07fa672b3b22c5a41147fbaa875c372437b56d0f6d61f5b654a74a2c6559cb54131d6c3d1f5dc379eb9afff6822fe0c8e

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C:\Users\Admin\AppData\Local\Temp\delself.bat
MD5
40aa5a9130d09205ab3827cb9723f350

SHA1
806b105d1c1fef8edb65e94378e7cc75d80c5b6f

SHA256
f5372d9aa37cf30fe767161ec5e75eec7817f092db8d782cf97a1baeff16c705

SHA512
439add8d31526f3d4a83287f6be147706abf72e66ffb73a29cb047216c844d630fe5441a2ec44598f7dd234146f12e6e1ee95dbccab030b9f289024ad0c96ccf

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C:\Users\Admin\AppData\Local\script.ps1
MD5
f972c62f986b5ed49ad7713d93bf6c9f

SHA1
4e157002bdb97e9526ab97bfafbf7c67e1d1efbf

SHA256
b47f85974a7ec2fd5aa82d52f08eb0f6cea7e596a98dd29e8b85b5c37beca0a8

SHA512
2c9e2e1b8b6cb5ffe3edf5dfbc2c3b917cd15ba6a5e5264207a43b02ce7020f44f5088aca195f7b428699f0d6bd693ce557a0227d67bbb4795e350a97314e9c4

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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/208-117-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/208-114-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/208-115-0x0000000000424141-mapping.dmp

Download
memory/216-234-0x0000000000000000-mapping.dmp

Download
memory/488-157-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/488-161-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/488-158-0x000000000046803D-mapping.dmp

Download
memory/1168-138-0x0000000000000000-mapping.dmp

Download
memory/1168-160-0x0000000000580000-0x00000000006CA000-memory.dmp

Filesize
1.3MB

Download
memory/1556-137-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/1556-129-0x0000000000000000-mapping.dmp

Download
memory/1872-118-0x0000000000000000-mapping.dmp

Download
memory/2140-155-0x0000000006D72000-0x0000000006D73000-memory.dmp

Filesize
4KB

Download
memory/2140-156-0x0000000008590000-0x0000000008591000-memory.dmp

Filesize
4KB

Download
memory/2140-152-0x0000000007CA0000-0x0000000007CA1000-memory.dmp

Filesize
4KB

Download
memory/2140-153-0x0000000006D70000-0x0000000006D71000-memory.dmp

Filesize
4KB

Download
memory/2140-154-0x0000000008270000-0x0000000008271000-memory.dmp

Filesize
4KB

Download
memory/2140-151-0x0000000007E60000-0x0000000007E61000-memory.dmp

Filesize
4KB

Download
memory/2140-169-0x00000000094B0000-0x00000000094E3000-memory.dmp

Filesize
204KB

Download
memory/2140-170-0x000000007EA70000-0x000000007EA71000-memory.dmp

Filesize
4KB

Download
memory/2140-177-0x0000000009470000-0x0000000009471000-memory.dmp

Filesize
4KB

Download
memory/2140-182-0x00000000095E0000-0x00000000095E1000-memory.dmp

Filesize
4KB

Download
memory/2140-183-0x00000000097A0000-0x00000000097A1000-memory.dmp

Filesize
4KB

Download
memory/2140-142-0x0000000000000000-mapping.dmp

Download
memory/2140-150-0x0000000007DF0000-0x0000000007DF1000-memory.dmp

Filesize
4KB

Download
memory/2140-149-0x0000000007D10000-0x0000000007D11000-memory.dmp

Filesize
4KB

Download
memory/2140-216-0x0000000006D73000-0x0000000006D74000-memory.dmp

Filesize
4KB

Download
memory/2140-217-0x0000000006D76000-0x0000000006D78000-memory.dmp

Filesize
8KB

Download
memory/2140-146-0x0000000006D80000-0x0000000006D81000-memory.dmp

Filesize
4KB

Download
memory/2140-147-0x00000000073F0000-0x00000000073F1000-memory.dmp

Filesize
4KB

Download
memory/2140-148-0x0000000007A90000-0x0000000007A91000-memory.dmp

Filesize
4KB

Download
memory/2176-221-0x0000000006CE3000-0x0000000006CE4000-memory.dmp

Filesize
4KB

Download
memory/2176-213-0x0000000000000000-mapping.dmp

Download
memory/2176-219-0x0000000006CE2000-0x0000000006CE3000-memory.dmp

Filesize
4KB

Download
memory/2176-218-0x0000000006CE0000-0x0000000006CE1000-memory.dmp

Filesize
4KB

Download
memory/2408-235-0x0000000000000000-mapping.dmp

Download
memory/2412-223-0x0000000000000000-mapping.dmp

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memory/2612-132-0x0000000000000000-mapping.dmp

Download
memory/2612-141-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2780-143-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2780-135-0x0000000000000000-mapping.dmp

Download
memory/3400-128-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3400-122-0x0000000000424141-mapping.dmp

Download
memory/3424-116-0x0000000002330000-0x000000000244B000-memory.dmp

Filesize
1.1MB

Download
memory/3632-120-0x0000000000000000-mapping.dmp

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memory/3872-233-0x0000000000000000-mapping.dmp

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memory/4028-230-0x0000000004D73000-0x0000000004D74000-memory.dmp

Filesize
4KB

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memory/4028-228-0x0000000004D72000-0x0000000004D73000-memory.dmp

Filesize
4KB

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memory/4028-227-0x0000000004D70000-0x0000000004D71000-memory.dmp

Filesize
4KB

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memory/4028-229-0x000000007EF10000-0x000000007EF11000-memory.dmp

Filesize
4KB

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memory/4028-220-0x0000000000000000-mapping.dmp

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memory/4064-222-0x0000000000000000-mapping.dmp

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