djvu | 836e78fe7e248eefb1bb87f8d98630ccd1e24a83f8bc34dfb94857879fd41098

Analysis

max time kernel
145s
max time network
137s
platform
windows10_x64
resource
win10v20210408
submitted
08/09/2021, 09:07

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General

Target
836e78fe7e248eefb1bb87f8d98630ccd1e24a83f8bc34dfb94857879fd41098.exe
Size 797KB
Sample210908-k3cafshdam
SHA256 836e78fe7e248eefb1bb87f8d98630ccd1e24a83f8bc34dfb94857879fd41098
MD5 ccfad991e61a4be608ea46d8feb645fe
SHA1 55392575efdd26c38d064e37f3f869c23f8405c6
SHA512 8dfd0291800e7940838606dbcf6fd9e20e85452e74ec32f3b17e948097a1187cf06b3d7d6b4835a0edc6aa9173b531579e26a4141c452cae46489fc3cab0132c
MD5 SHA1 SHA512

Score

10^/10

djvu vidar 517 discovery persistence ransomware spyware stealer suricata

Malware Config

Extracted

Family

vidar

Version

40.5

Botnet

https://gheorghip.tumblr.com/

Attributes

profile_id
517

Signatures

Detected Djvu ransomeware 6 IoCs

resource	yara_rule
behavioral2/memory/2504-115-0x0000000000424141-mapping.dmp	family_djvu
behavioral2/memory/2504-114-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4016-116-0x0000000004A90000-0x0000000004BAB000-memory.dmp	family_djvu
behavioral2/memory/2504-117-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2008-122-0x0000000000424141-mapping.dmp	family_djvu
behavioral2/memory/2008-127-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu

Djvu Ransomware
Ransomware which is a variant of the STOP family.
ransomware djvu
Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
suricata
suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
suricata
suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
suricata
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
suricata

Vidar Stealer 4 IoCs

stealer

resource	yara_rule
behavioral2/memory/404-131-0x0000000000400000-0x00000000004D5000-memory.dmp	family_vidar
behavioral2/memory/404-132-0x000000000049EC7D-mapping.dmp	family_vidar
behavioral2/memory/404-135-0x0000000000400000-0x00000000004D5000-memory.dmp	family_vidar
behavioral2/memory/3872-134-0x0000000002490000-0x0000000002562000-memory.dmp	family_vidar

Downloads MZ/PE file

Executes dropped EXE 10 IoCs

pid	Process
3872	build2.exe
404	build2.exe
2736	build3.exe
3056	build3.exe
696	mstsca.exe
1268	mstsca.exe
2832	mstsca.exe
2200	mstsca.exe
2716	mstsca.exe
2548	mstsca.exe

Loads dropped DLL 2 IoCs

pid	Process
404	build2.exe
404	build2.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
3144	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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\bc47b40c-3a30-43d9-9f99-558debec3b30\\836e78fe7e248eefb1bb87f8d98630ccd1e24a83f8bc34dfb94857879fd41098.exe\" --AutoStart"	836e78fe7e248eefb1bb87f8d98630ccd1e24a83f8bc34dfb94857879fd41098.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.

flow	ioc
7	api.2ip.ua
8	api.2ip.ua
18	api.2ip.ua

Suspicious use of SetThreadContext 7 IoCs

description	pid	Process	procid_target
PID 4016 set thread context of 2504	4016	836e78fe7e248eefb1bb87f8d98630ccd1e24a83f8bc34dfb94857879fd41098.exe	75
PID 3524 set thread context of 2008	3524	836e78fe7e248eefb1bb87f8d98630ccd1e24a83f8bc34dfb94857879fd41098.exe	79
PID 3872 set thread context of 404	3872	build2.exe	83
PID 2736 set thread context of 3056	2736	build3.exe	86
PID 696 set thread context of 1268	696	mstsca.exe	90
PID 2832 set thread context of 2200	2832	mstsca.exe	98
PID 2716 set thread context of 2548	2716	mstsca.exe	100

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

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

pid	Process
184	schtasks.exe
2220	schtasks.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
588	timeout.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
3872	taskkill.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

description	ioc	Process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	836e78fe7e248eefb1bb87f8d98630ccd1e24a83f8bc34dfb94857879fd41098.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	836e78fe7e248eefb1bb87f8d98630ccd1e24a83f8bc34dfb94857879fd41098.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
2504	836e78fe7e248eefb1bb87f8d98630ccd1e24a83f8bc34dfb94857879fd41098.exe
2504	836e78fe7e248eefb1bb87f8d98630ccd1e24a83f8bc34dfb94857879fd41098.exe
2008	836e78fe7e248eefb1bb87f8d98630ccd1e24a83f8bc34dfb94857879fd41098.exe
2008	836e78fe7e248eefb1bb87f8d98630ccd1e24a83f8bc34dfb94857879fd41098.exe
404	build2.exe
404	build2.exe
404	build2.exe
404	build2.exe
404	build2.exe
404	build2.exe
404	build2.exe
404	build2.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3872	taskkill.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4016 wrote to memory of 2504	4016	836e78fe7e248eefb1bb87f8d98630ccd1e24a83f8bc34dfb94857879fd41098.exe	75
PID 4016 wrote to memory of 2504	4016	836e78fe7e248eefb1bb87f8d98630ccd1e24a83f8bc34dfb94857879fd41098.exe	75
PID 4016 wrote to memory of 2504	4016	836e78fe7e248eefb1bb87f8d98630ccd1e24a83f8bc34dfb94857879fd41098.exe	75
PID 4016 wrote to memory of 2504	4016	836e78fe7e248eefb1bb87f8d98630ccd1e24a83f8bc34dfb94857879fd41098.exe	75
PID 4016 wrote to memory of 2504	4016	836e78fe7e248eefb1bb87f8d98630ccd1e24a83f8bc34dfb94857879fd41098.exe	75
PID 4016 wrote to memory of 2504	4016	836e78fe7e248eefb1bb87f8d98630ccd1e24a83f8bc34dfb94857879fd41098.exe	75
PID 4016 wrote to memory of 2504	4016	836e78fe7e248eefb1bb87f8d98630ccd1e24a83f8bc34dfb94857879fd41098.exe	75
PID 4016 wrote to memory of 2504	4016	836e78fe7e248eefb1bb87f8d98630ccd1e24a83f8bc34dfb94857879fd41098.exe	75
PID 4016 wrote to memory of 2504	4016	836e78fe7e248eefb1bb87f8d98630ccd1e24a83f8bc34dfb94857879fd41098.exe	75
PID 4016 wrote to memory of 2504	4016	836e78fe7e248eefb1bb87f8d98630ccd1e24a83f8bc34dfb94857879fd41098.exe	75
PID 2504 wrote to memory of 3144	2504	836e78fe7e248eefb1bb87f8d98630ccd1e24a83f8bc34dfb94857879fd41098.exe	76
PID 2504 wrote to memory of 3144	2504	836e78fe7e248eefb1bb87f8d98630ccd1e24a83f8bc34dfb94857879fd41098.exe	76
PID 2504 wrote to memory of 3144	2504	836e78fe7e248eefb1bb87f8d98630ccd1e24a83f8bc34dfb94857879fd41098.exe	76
PID 2504 wrote to memory of 3524	2504	836e78fe7e248eefb1bb87f8d98630ccd1e24a83f8bc34dfb94857879fd41098.exe	77
PID 2504 wrote to memory of 3524	2504	836e78fe7e248eefb1bb87f8d98630ccd1e24a83f8bc34dfb94857879fd41098.exe	77
PID 2504 wrote to memory of 3524	2504	836e78fe7e248eefb1bb87f8d98630ccd1e24a83f8bc34dfb94857879fd41098.exe	77
PID 3524 wrote to memory of 2008	3524	836e78fe7e248eefb1bb87f8d98630ccd1e24a83f8bc34dfb94857879fd41098.exe	79
PID 3524 wrote to memory of 2008	3524	836e78fe7e248eefb1bb87f8d98630ccd1e24a83f8bc34dfb94857879fd41098.exe	79
PID 3524 wrote to memory of 2008	3524	836e78fe7e248eefb1bb87f8d98630ccd1e24a83f8bc34dfb94857879fd41098.exe	79
PID 3524 wrote to memory of 2008	3524	836e78fe7e248eefb1bb87f8d98630ccd1e24a83f8bc34dfb94857879fd41098.exe	79
PID 3524 wrote to memory of 2008	3524	836e78fe7e248eefb1bb87f8d98630ccd1e24a83f8bc34dfb94857879fd41098.exe	79
PID 3524 wrote to memory of 2008	3524	836e78fe7e248eefb1bb87f8d98630ccd1e24a83f8bc34dfb94857879fd41098.exe	79
PID 3524 wrote to memory of 2008	3524	836e78fe7e248eefb1bb87f8d98630ccd1e24a83f8bc34dfb94857879fd41098.exe	79
PID 3524 wrote to memory of 2008	3524	836e78fe7e248eefb1bb87f8d98630ccd1e24a83f8bc34dfb94857879fd41098.exe	79
PID 3524 wrote to memory of 2008	3524	836e78fe7e248eefb1bb87f8d98630ccd1e24a83f8bc34dfb94857879fd41098.exe	79
PID 3524 wrote to memory of 2008	3524	836e78fe7e248eefb1bb87f8d98630ccd1e24a83f8bc34dfb94857879fd41098.exe	79
PID 2008 wrote to memory of 3872	2008	836e78fe7e248eefb1bb87f8d98630ccd1e24a83f8bc34dfb94857879fd41098.exe	82
PID 2008 wrote to memory of 3872	2008	836e78fe7e248eefb1bb87f8d98630ccd1e24a83f8bc34dfb94857879fd41098.exe	82
PID 2008 wrote to memory of 3872	2008	836e78fe7e248eefb1bb87f8d98630ccd1e24a83f8bc34dfb94857879fd41098.exe	82
PID 3872 wrote to memory of 404	3872	build2.exe	83
PID 3872 wrote to memory of 404	3872	build2.exe	83
PID 3872 wrote to memory of 404	3872	build2.exe	83
PID 3872 wrote to memory of 404	3872	build2.exe	83
PID 3872 wrote to memory of 404	3872	build2.exe	83
PID 3872 wrote to memory of 404	3872	build2.exe	83
PID 3872 wrote to memory of 404	3872	build2.exe	83
PID 3872 wrote to memory of 404	3872	build2.exe	83
PID 2008 wrote to memory of 2736	2008	836e78fe7e248eefb1bb87f8d98630ccd1e24a83f8bc34dfb94857879fd41098.exe	85
PID 2008 wrote to memory of 2736	2008	836e78fe7e248eefb1bb87f8d98630ccd1e24a83f8bc34dfb94857879fd41098.exe	85
PID 2008 wrote to memory of 2736	2008	836e78fe7e248eefb1bb87f8d98630ccd1e24a83f8bc34dfb94857879fd41098.exe	85
PID 2736 wrote to memory of 3056	2736	build3.exe	86
PID 2736 wrote to memory of 3056	2736	build3.exe	86
PID 2736 wrote to memory of 3056	2736	build3.exe	86
PID 2736 wrote to memory of 3056	2736	build3.exe	86
PID 2736 wrote to memory of 3056	2736	build3.exe	86
PID 2736 wrote to memory of 3056	2736	build3.exe	86
PID 2736 wrote to memory of 3056	2736	build3.exe	86
PID 2736 wrote to memory of 3056	2736	build3.exe	86
PID 2736 wrote to memory of 3056	2736	build3.exe	86
PID 3056 wrote to memory of 184	3056	build3.exe	87
PID 3056 wrote to memory of 184	3056	build3.exe	87
PID 3056 wrote to memory of 184	3056	build3.exe	87
PID 696 wrote to memory of 1268	696	mstsca.exe	90
PID 696 wrote to memory of 1268	696	mstsca.exe	90
PID 696 wrote to memory of 1268	696	mstsca.exe	90
PID 696 wrote to memory of 1268	696	mstsca.exe	90
PID 696 wrote to memory of 1268	696	mstsca.exe	90
PID 696 wrote to memory of 1268	696	mstsca.exe	90
PID 696 wrote to memory of 1268	696	mstsca.exe	90
PID 696 wrote to memory of 1268	696	mstsca.exe	90
PID 696 wrote to memory of 1268	696	mstsca.exe	90
PID 1268 wrote to memory of 2220	1268	mstsca.exe	91
PID 1268 wrote to memory of 2220	1268	mstsca.exe	91
PID 1268 wrote to memory of 2220	1268	mstsca.exe	91

C:\Users\Admin\AppData\Local\Temp\836e78fe7e248eefb1bb87f8d98630ccd1e24a83f8bc34dfb94857879fd41098.exe
"C:\Users\Admin\AppData\Local\Temp\836e78fe7e248eefb1bb87f8d98630ccd1e24a83f8bc34dfb94857879fd41098.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4016
- C:\Users\Admin\AppData\Local\Temp\836e78fe7e248eefb1bb87f8d98630ccd1e24a83f8bc34dfb94857879fd41098.exe
  "C:\Users\Admin\AppData\Local\Temp\836e78fe7e248eefb1bb87f8d98630ccd1e24a83f8bc34dfb94857879fd41098.exe"
  2⤵
  - Adds Run key to start application
  - Modifies system certificate store
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2504
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\bc47b40c-3a30-43d9-9f99-558debec3b30" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    PID:3144
- - C:\Users\Admin\AppData\Local\Temp\836e78fe7e248eefb1bb87f8d98630ccd1e24a83f8bc34dfb94857879fd41098.exe
    "C:\Users\Admin\AppData\Local\Temp\836e78fe7e248eefb1bb87f8d98630ccd1e24a83f8bc34dfb94857879fd41098.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:3524
  - - C:\Users\Admin\AppData\Local\Temp\836e78fe7e248eefb1bb87f8d98630ccd1e24a83f8bc34dfb94857879fd41098.exe
      "C:\Users\Admin\AppData\Local\Temp\836e78fe7e248eefb1bb87f8d98630ccd1e24a83f8bc34dfb94857879fd41098.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of WriteProcessMemory
      PID:2008
    - - C:\Users\Admin\AppData\Local\86893f50-5308-43cc-9496-5ff64f5af39a\build2.exe
        
        "C:\Users\Admin\AppData\Local\86893f50-5308-43cc-9496-5ff64f5af39a\build2.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious use of WriteProcessMemory
        
        PID:3872
      - C:\Users\Admin\AppData\Local\86893f50-5308-43cc-9496-5ff64f5af39a\build2.exe
        
        "C:\Users\Admin\AppData\Local\86893f50-5308-43cc-9496-5ff64f5af39a\build2.exe"
        6⤵
        Executes dropped EXE
        Loads dropped DLL
        Checks processor information in registry
        Suspicious behavior: EnumeratesProcesses
        
        PID:404
        
        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\86893f50-5308-43cc-9496-5ff64f5af39a\build2.exe" & del C:\ProgramData\*.dll & exit
        7⤵
        
        PID:3952
        
        C:\Windows\SysWOW64\taskkill.exe
        
        taskkill /im build2.exe /f
        8⤵
        Kills process with taskkill
        Suspicious use of AdjustPrivilegeToken
        
        PID:3872
        
        C:\Windows\SysWOW64\timeout.exe
        
        timeout /t 6
        8⤵
        Delays execution with timeout.exe
        
        PID:588
    - - C:\Users\Admin\AppData\Local\86893f50-5308-43cc-9496-5ff64f5af39a\build3.exe
        
        "C:\Users\Admin\AppData\Local\86893f50-5308-43cc-9496-5ff64f5af39a\build3.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious use of WriteProcessMemory
        
        PID:2736
      - C:\Users\Admin\AppData\Local\86893f50-5308-43cc-9496-5ff64f5af39a\build3.exe
        
        "C:\Users\Admin\AppData\Local\86893f50-5308-43cc-9496-5ff64f5af39a\build3.exe"
        6⤵
        Executes dropped EXE
        Suspicious use of WriteProcessMemory
        
        PID:3056
        
        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:184

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:696
- C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:1268
- - 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:2220

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:2832
- C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
  2⤵
  - Executes dropped EXE
  PID:2200

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:2716
- C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
  2⤵
  - Executes dropped EXE
  PID:2548

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

Replay Monitor

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Downloads

memory/404-135-0x0000000000400000-0x00000000004D5000-memory.dmp

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memory/404-131-0x0000000000400000-0x00000000004D5000-memory.dmp

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memory/2008-127-0x0000000000400000-0x0000000000537000-memory.dmp

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memory/2504-114-0x0000000000400000-0x0000000000537000-memory.dmp

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memory/2504-117-0x0000000000400000-0x0000000000537000-memory.dmp

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memory/2736-144-0x0000000003330000-0x0000000003334000-memory.dmp

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memory/3056-145-0x0000000000400000-0x0000000000406000-memory.dmp

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memory/3056-139-0x0000000000400000-0x0000000000406000-memory.dmp

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memory/3872-134-0x0000000002490000-0x0000000002562000-memory.dmp

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memory/4016-116-0x0000000004A90000-0x0000000004BAB000-memory.dmp

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