djvu | 410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4

Analysis

max time kernel
149s
max time network
118s
platform
windows10_x64
resource
win10-en-20211014
submitted
25-10-2021 03:23

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General

Target

410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe
Size

857KB
MD5

da7d69229aaa7ee4b1e388961e1ae7f0
SHA1

ca60a0071655092850d0f7826a7ce6fd6af82cac
SHA256

410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4
SHA512

7d9b8f017c17f9ae9244e6c8bdb93cccb3191734a9be51c183006e2eb16e2a460e70ecac4a01ac664d243cffa7455e20a7fcc0843f722cd1feffb2366a3ed374

Score

10^/10

djvu vidar 517 discovery persistence ransomware spyware stealer

Malware Config

Extracted

Family

vidar

Version

41.5

Botnet

517

https://mas.to/@xeroxxx

Attributes

profile_id
517

Extracted

Family

djvu

http://rlrz.org/fhsgtsspen6

Signatures

Detected Djvu ransomware 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/4044-116-0x00000000014A0000-0x00000000015BB000-memory.dmp	family_djvu
behavioral1/memory/3516-117-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3516-118-0x0000000000424141-mapping.dmp	family_djvu
behavioral1/memory/3516-119-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3940-125-0x0000000000424141-mapping.dmp	family_djvu
behavioral1/memory/3940-130-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu

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

Vidar Stealer 4 IoCs

stealer

Processes:

resource	yara_rule
behavioral1/memory/696-139-0x0000000000400000-0x00000000004D9000-memory.dmp	family_vidar
behavioral1/memory/696-140-0x00000000004A18CD-mapping.dmp	family_vidar
behavioral1/memory/696-147-0x0000000000400000-0x00000000004D9000-memory.dmp	family_vidar
behavioral1/memory/676-146-0x0000000004BC0000-0x0000000004C96000-memory.dmp	family_vidar

Downloads MZ/PE file
Executes dropped EXE 10 IoCs

Processes:

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

pid process

676 build2.exe
2444 build3.exe
696 build2.exe
1720 build3.exe
1012 mstsca.exe
596 mstsca.exe
3236 mstsca.exe
2040 mstsca.exe
1624 mstsca.exe
3876 mstsca.exe
Loads dropped DLL 2 IoCs

Processes:

build2.exe

pid process

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

File and Directory Permissions Modification
T1222

Processes:

icacls.exe

pid process

1404 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
676	build2.exe
2444	build3.exe
696	build2.exe
1720	build3.exe
1012	mstsca.exe
596	mstsca.exe
3236	mstsca.exe
2040	mstsca.exe
1624	mstsca.exe
3876	mstsca.exe

pid	process
696	build2.exe
696	build2.exe

pid	process
1404	icacls.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.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\\4b937ac3-a431-4223-b97e-90d7b05a8658\\410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe\" --AutoStart"	410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.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

11 api.2ip.ua
12 api.2ip.ua
19 api.2ip.ua

flow	ioc
11	api.2ip.ua
12	api.2ip.ua
19	api.2ip.ua

Suspicious use of SetThreadContext 7 IoCs

Processes:

410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exebuild2.exebuild3.exemstsca.exemstsca.exemstsca.exe

description	pid	process	target process
PID 4044 set thread context of 3516	4044	410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe	410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe
PID 2892 set thread context of 3940	2892	410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe	410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe
PID 676 set thread context of 696	676	build2.exe	build2.exe
PID 2444 set thread context of 1720	2444	build3.exe	build3.exe
PID 1012 set thread context of 596	1012	mstsca.exe	mstsca.exe
PID 3236 set thread context of 2040	3236	mstsca.exe	mstsca.exe
PID 1624 set thread context of 3876	1624	mstsca.exe	mstsca.exe

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

build2.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	build2.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	build2.exe

Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exe

pid process

1928 schtasks.exe
824 schtasks.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

2968 timeout.exe
Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

1968 taskkill.exe

pid	process
1928	schtasks.exe
824	schtasks.exe

pid	process
2968	timeout.exe

pid	process
1968	taskkill.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exebuild2.exe

pid	process
3516	410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe
3516	410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe
3940	410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe
3940	410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe
696	build2.exe
696	build2.exe
696	build2.exe
696	build2.exe
696	build2.exe
696	build2.exe
696	build2.exe
696	build2.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 1968 taskkill.exe

description	pid	process
Token: SeDebugPrivilege	1968	taskkill.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exebuild2.exebuild3.exebuild3.exebuild2.execmd.exemstsca.exe

description	pid	process	target process
PID 4044 wrote to memory of 3516	4044	410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe	410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe
PID 4044 wrote to memory of 3516	4044	410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe	410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe
PID 4044 wrote to memory of 3516	4044	410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe	410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe
PID 4044 wrote to memory of 3516	4044	410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe	410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe
PID 4044 wrote to memory of 3516	4044	410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe	410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe
PID 4044 wrote to memory of 3516	4044	410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe	410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe
PID 4044 wrote to memory of 3516	4044	410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe	410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe
PID 4044 wrote to memory of 3516	4044	410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe	410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe
PID 4044 wrote to memory of 3516	4044	410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe	410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe
PID 4044 wrote to memory of 3516	4044	410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe	410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe
PID 3516 wrote to memory of 1404	3516	410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe	icacls.exe
PID 3516 wrote to memory of 1404	3516	410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe	icacls.exe
PID 3516 wrote to memory of 1404	3516	410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe	icacls.exe
PID 3516 wrote to memory of 2892	3516	410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe	410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe
PID 3516 wrote to memory of 2892	3516	410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe	410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe
PID 3516 wrote to memory of 2892	3516	410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe	410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe
PID 2892 wrote to memory of 3940	2892	410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe	410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe
PID 2892 wrote to memory of 3940	2892	410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe	410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe
PID 2892 wrote to memory of 3940	2892	410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe	410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe
PID 2892 wrote to memory of 3940	2892	410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe	410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe
PID 2892 wrote to memory of 3940	2892	410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe	410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe
PID 2892 wrote to memory of 3940	2892	410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe	410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe
PID 2892 wrote to memory of 3940	2892	410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe	410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe
PID 2892 wrote to memory of 3940	2892	410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe	410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe
PID 2892 wrote to memory of 3940	2892	410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe	410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe
PID 2892 wrote to memory of 3940	2892	410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe	410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe
PID 3940 wrote to memory of 676	3940	410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe	build2.exe
PID 3940 wrote to memory of 676	3940	410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe	build2.exe
PID 3940 wrote to memory of 676	3940	410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe	build2.exe
PID 3940 wrote to memory of 2444	3940	410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe	build3.exe
PID 3940 wrote to memory of 2444	3940	410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe	build3.exe
PID 3940 wrote to memory of 2444	3940	410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe	build3.exe
PID 676 wrote to memory of 696	676	build2.exe	build2.exe
PID 676 wrote to memory of 696	676	build2.exe	build2.exe
PID 676 wrote to memory of 696	676	build2.exe	build2.exe
PID 676 wrote to memory of 696	676	build2.exe	build2.exe
PID 676 wrote to memory of 696	676	build2.exe	build2.exe
PID 676 wrote to memory of 696	676	build2.exe	build2.exe
PID 676 wrote to memory of 696	676	build2.exe	build2.exe
PID 676 wrote to memory of 696	676	build2.exe	build2.exe
PID 2444 wrote to memory of 1720	2444	build3.exe	build3.exe
PID 2444 wrote to memory of 1720	2444	build3.exe	build3.exe
PID 2444 wrote to memory of 1720	2444	build3.exe	build3.exe
PID 2444 wrote to memory of 1720	2444	build3.exe	build3.exe
PID 2444 wrote to memory of 1720	2444	build3.exe	build3.exe
PID 2444 wrote to memory of 1720	2444	build3.exe	build3.exe
PID 2444 wrote to memory of 1720	2444	build3.exe	build3.exe
PID 2444 wrote to memory of 1720	2444	build3.exe	build3.exe
PID 2444 wrote to memory of 1720	2444	build3.exe	build3.exe
PID 1720 wrote to memory of 1928	1720	build3.exe	schtasks.exe
PID 1720 wrote to memory of 1928	1720	build3.exe	schtasks.exe
PID 1720 wrote to memory of 1928	1720	build3.exe	schtasks.exe
PID 696 wrote to memory of 1688	696	build2.exe	cmd.exe
PID 696 wrote to memory of 1688	696	build2.exe	cmd.exe
PID 696 wrote to memory of 1688	696	build2.exe	cmd.exe
PID 1688 wrote to memory of 1968	1688	cmd.exe	taskkill.exe
PID 1688 wrote to memory of 1968	1688	cmd.exe	taskkill.exe
PID 1688 wrote to memory of 1968	1688	cmd.exe	taskkill.exe
PID 1688 wrote to memory of 2968	1688	cmd.exe	timeout.exe
PID 1688 wrote to memory of 2968	1688	cmd.exe	timeout.exe
PID 1688 wrote to memory of 2968	1688	cmd.exe	timeout.exe
PID 1012 wrote to memory of 596	1012	mstsca.exe	mstsca.exe
PID 1012 wrote to memory of 596	1012	mstsca.exe	mstsca.exe
PID 1012 wrote to memory of 596	1012	mstsca.exe	mstsca.exe

C:\Users\Admin\AppData\Local\Temp\410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe
"C:\Users\Admin\AppData\Local\Temp\410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4044

C:\Users\Admin\AppData\Local\Temp\410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe
"C:\Users\Admin\AppData\Local\Temp\410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe"
2⤵
- Adds Run key to start application
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3516

C:\Windows\SysWOW64\icacls.exe
icacls "C:\Users\Admin\AppData\Local\4b937ac3-a431-4223-b97e-90d7b05a8658" /deny *S-1-1-0:(OI)(CI)(DE,DC)
3⤵
- Modifies file permissions
PID:1404

C:\Users\Admin\AppData\Local\Temp\410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe
"C:\Users\Admin\AppData\Local\Temp\410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe" --Admin IsNotAutoStart IsNotTask
3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2892

C:\Users\Admin\AppData\Local\Temp\410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe
"C:\Users\Admin\AppData\Local\Temp\410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe" --Admin IsNotAutoStart IsNotTask
4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3940

C:\Users\Admin\AppData\Local\79c954b3-d12f-4fec-83ab-fef70ac0c398\build2.exe
"C:\Users\Admin\AppData\Local\79c954b3-d12f-4fec-83ab-fef70ac0c398\build2.exe"
5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:676

C:\Users\Admin\AppData\Local\79c954b3-d12f-4fec-83ab-fef70ac0c398\build2.exe
"C:\Users\Admin\AppData\Local\79c954b3-d12f-4fec-83ab-fef70ac0c398\build2.exe"
6⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:696

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\79c954b3-d12f-4fec-83ab-fef70ac0c398\build2.exe" & del C:\ProgramData\*.dll & exit
7⤵
- Suspicious use of WriteProcessMemory
PID:1688

C:\Windows\SysWOW64\taskkill.exe
taskkill /im build2.exe /f
8⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1968

C:\Windows\SysWOW64\timeout.exe
timeout /t 6
8⤵
- Delays execution with timeout.exe
PID:2968

C:\Users\Admin\AppData\Local\79c954b3-d12f-4fec-83ab-fef70ac0c398\build3.exe
"C:\Users\Admin\AppData\Local\79c954b3-d12f-4fec-83ab-fef70ac0c398\build3.exe"
5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2444

C:\Users\Admin\AppData\Local\79c954b3-d12f-4fec-83ab-fef70ac0c398\build3.exe
"C:\Users\Admin\AppData\Local\79c954b3-d12f-4fec-83ab-fef70ac0c398\build3.exe"
6⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1720

C:\Windows\SysWOW64\schtasks.exe
/C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe"
7⤵
- Creates scheduled task(s)
PID:1928

C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1012

C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
2⤵
- Executes dropped EXE
PID:596

C:\Windows\SysWOW64\schtasks.exe
/C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe"
3⤵
- Creates scheduled task(s)
PID:824

C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
PID:3236

C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
2⤵
- Executes dropped EXE
PID:2040

C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
PID:1624

C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
2⤵
- Executes dropped EXE
PID:3876

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

File and Directory Permissions Modification

T1222

Install Root Certificate

T1130

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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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
eb580dc014e8a0ba57b05717d9b2c7a1

SHA1
1b9f2cb35263b103d05af84a8b41f74186afed72

SHA256
59c9f91919d8cf9c0c8dd5089eb737460ee002f17bdc2cf90c4872263c426fd9

SHA512
ad031d69240c9e33faad5a7f07e5b524c06fb54f2360095f23a7accf28b17958fb52e40fb01f45498f8c19d00289f1f579b6cb995ec1ad6c468fd27aa33f16df

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

MD5
3168035090977b01e2b15a045297d6cd

SHA1
baec8a47d00d0904648b385aca5778d947456dc7

SHA256
e57b9ecf72046536715f2b8dfad9f0e5560d325149f0ac80598d2d7a5703744a

SHA512
377ac77af3dd55e07683a0ed76df64b517ead18a2ce278f5ca2db41fd5559e44a533ffb325e14ac34186ee03efc483c8841207da042cae3e9ea9ec3eacc63942

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

MD5
c9be7aeb7267fed8c404f0816c3f75c8

SHA1
0b1062de575c184b2e9606a2518809a27406133b

SHA256
928fd5a07c772500c72a7628608a7d69f85664c94437b48e71e822d065af4aa2

SHA512
89f3f03bf9b1b80f5abb40bf2d09cf70a70cfe1f0b1b630fcd5cfd48013706446dddb47c4289817bb86028daf2012128e749149a2dc7569ce2eb65d908f15c8b

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

MD5
4685219141bd5a986ec59c7d97eb8e40

SHA1
2b8a6b2c114ec5463b5bc7c691fe0f21ec843ebc

SHA256
725c0fc0a00edaa7766b67625a59e1c6e8fd73c2acbba183ce8d59570c8f6220

SHA512
99ea2b55a9ca1c3172bc7814f1bb7ff079fae95017a05381909b7671f524d0483e5afee4ecf76ed4cf3abadc2fc74dcb9ed046ac048c8f42cec795ddd8b7ddaf

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C:\Users\Admin\AppData\Local\4b937ac3-a431-4223-b97e-90d7b05a8658\410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4.exe

MD5
da7d69229aaa7ee4b1e388961e1ae7f0

SHA1
ca60a0071655092850d0f7826a7ce6fd6af82cac

SHA256
410e80ef6b4c08b79415c9bdab170383797fab7881367d326e1095fe31d570e4

SHA512
7d9b8f017c17f9ae9244e6c8bdb93cccb3191734a9be51c183006e2eb16e2a460e70ecac4a01ac664d243cffa7455e20a7fcc0843f722cd1feffb2366a3ed374

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C:\Users\Admin\AppData\Local\79c954b3-d12f-4fec-83ab-fef70ac0c398\build2.exe

MD5
a2ef57bbe3a8af95196a419a7962bfaa

SHA1
1a0c42723cd1e2e947f904619de7fcea5ca4a183

SHA256
4bc52cd8296fcffc22b5ca8ebf2b161260d71c8d34658f45c9c93cf6d65749e9

SHA512
ca4781632cc0fb2c53f1ae0d0b798da386514f58b6a48845197eea05da7af162405dee1d4b139e661798c29a095e50cdde9f193dea4a9c5366ee763a899ac160

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C:\Users\Admin\AppData\Local\79c954b3-d12f-4fec-83ab-fef70ac0c398\build2.exe

MD5
a2ef57bbe3a8af95196a419a7962bfaa

SHA1
1a0c42723cd1e2e947f904619de7fcea5ca4a183

SHA256
4bc52cd8296fcffc22b5ca8ebf2b161260d71c8d34658f45c9c93cf6d65749e9

SHA512
ca4781632cc0fb2c53f1ae0d0b798da386514f58b6a48845197eea05da7af162405dee1d4b139e661798c29a095e50cdde9f193dea4a9c5366ee763a899ac160

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C:\Users\Admin\AppData\Local\79c954b3-d12f-4fec-83ab-fef70ac0c398\build2.exe

MD5
a2ef57bbe3a8af95196a419a7962bfaa

SHA1
1a0c42723cd1e2e947f904619de7fcea5ca4a183

SHA256
4bc52cd8296fcffc22b5ca8ebf2b161260d71c8d34658f45c9c93cf6d65749e9

SHA512
ca4781632cc0fb2c53f1ae0d0b798da386514f58b6a48845197eea05da7af162405dee1d4b139e661798c29a095e50cdde9f193dea4a9c5366ee763a899ac160

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C:\Users\Admin\AppData\Local\79c954b3-d12f-4fec-83ab-fef70ac0c398\build3.exe

MD5
0fea771099e342facd95a9d659548919

SHA1
9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

SHA256
6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

SHA512
2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

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C:\Users\Admin\AppData\Local\79c954b3-d12f-4fec-83ab-fef70ac0c398\build3.exe

MD5
0fea771099e342facd95a9d659548919

SHA1
9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

SHA256
6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

SHA512
2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

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C:\Users\Admin\AppData\Local\79c954b3-d12f-4fec-83ab-fef70ac0c398\build3.exe

MD5
0fea771099e342facd95a9d659548919

SHA1
9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

SHA256
6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

SHA512
2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

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C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe

MD5
0fea771099e342facd95a9d659548919

SHA1
9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

SHA256
6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

SHA512
2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

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C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe

MD5
0fea771099e342facd95a9d659548919

SHA1
9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

SHA256
6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

SHA512
2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

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C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe

MD5
0fea771099e342facd95a9d659548919

SHA1
9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

SHA256
6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

SHA512
2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe

MD5
0fea771099e342facd95a9d659548919

SHA1
9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

SHA256
6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

SHA512
2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

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C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe

MD5
0fea771099e342facd95a9d659548919

SHA1
9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

SHA256
6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

SHA512
2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe

MD5
0fea771099e342facd95a9d659548919

SHA1
9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

SHA256
6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

SHA512
2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe

MD5
0fea771099e342facd95a9d659548919

SHA1
9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

SHA256
6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

SHA512
2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

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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/596-165-0x0000000000401AFA-mapping.dmp

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memory/676-131-0x0000000000000000-mapping.dmp

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memory/676-146-0x0000000004BC0000-0x0000000004C96000-memory.dmp

Filesize
856KB

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memory/696-140-0x00000000004A18CD-mapping.dmp

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memory/696-147-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

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memory/696-139-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

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memory/824-167-0x0000000000000000-mapping.dmp

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memory/1012-168-0x0000000003250000-0x00000000032FE000-memory.dmp

Filesize
696KB

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memory/1404-120-0x0000000000000000-mapping.dmp

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memory/1624-179-0x0000000003250000-0x00000000032FE000-memory.dmp

Filesize
696KB

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memory/1688-152-0x0000000000000000-mapping.dmp

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memory/1720-142-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

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memory/1720-149-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

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memory/1720-143-0x0000000000401AFA-mapping.dmp

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memory/1928-145-0x0000000000000000-mapping.dmp

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memory/1968-153-0x0000000000000000-mapping.dmp

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memory/2040-172-0x0000000000401AFA-mapping.dmp

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memory/2444-135-0x0000000000000000-mapping.dmp

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memory/2444-148-0x0000000003380000-0x0000000003384000-memory.dmp

Filesize
16KB

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memory/2444-138-0x00000000034F9000-0x0000000003509000-memory.dmp

Filesize
64KB

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memory/2892-122-0x0000000000000000-mapping.dmp

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memory/2892-123-0x000000000139F000-0x0000000001431000-memory.dmp

Filesize
584KB

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memory/2968-154-0x0000000000000000-mapping.dmp

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memory/3236-170-0x00000000035AE000-0x00000000035BE000-memory.dmp

Filesize
64KB

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memory/3516-119-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

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memory/3516-118-0x0000000000424141-mapping.dmp

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memory/3516-117-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

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memory/3876-177-0x0000000000401AFA-mapping.dmp

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memory/3940-130-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

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memory/3940-125-0x0000000000424141-mapping.dmp

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memory/4044-115-0x0000000001296000-0x0000000001328000-memory.dmp

Filesize
584KB

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memory/4044-116-0x00000000014A0000-0x00000000015BB000-memory.dmp

Filesize
1.1MB

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