djvu | e126dc4657ff15716ac1e45f499c684d4e9f8efd7d24630837369a5cd81032b0

Analysis

max time kernel
136s
max time network
181s
platform
windows7_x64
resource
win7v20210410
submitted
07/06/2021, 15:15

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General

Target
9748ddeeb900b695edbb4b38b4319a44.exe
Size 801KB
Sample210607-fpqvwpwxja
SHA256 e126dc4657ff15716ac1e45f499c684d4e9f8efd7d24630837369a5cd81032b0
MD5 9748ddeeb900b695edbb4b38b4319a44
SHA1 84ca129b8619d56a6a3dacef61dab0f2bfde0442
SHA512 3eb6f2636038d3a4e030bc3871678c1213ad25c851d0e661686b813ea9bfdfea22e3cdd5854e54a448dab676fea56d61208e3f18ec64aae6313713d50c0419d6
MD5 SHA1 SHA512

Score

10^/10

djvu vidar 517 discovery evasion persistence ransomware spyware stealer

Malware Config

Extracted

Path

C:\_readme.txt

Ransom Note

ATTENTION! Don't worry, you can return all your files! All your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. You can get and look video overview decrypt tool: https://we.tl/t-TFI08DijHt Price of private key and decrypt software is $980. Discount 50% available if you contact us first 72 hours, that's price for you is $490. Please note that you'll never restore your data without payment. Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: [email protected] Reserve e-mail address to contact us: [email protected] Your personal ID: 0301ewgfDdMVRPbSnFtySupDwbPHDki6lHhdaU8yRerXrXB00l

Emails

URLs

https://we.tl/t-TFI08DijHt

Extracted

Family

vidar

Version

39.2

Botnet

https://dimashub.tumblr.com

Attributes

profile_id
517

Signatures

Deletes Windows Defender Definitions 2 TTPs 1 IoCs

Uses mpcmdrun utility to delete all AV definitions.

evasion

Impair Defenses

T1562

Command-Line Interface

T1059

pid	Process
1748	mpcmdrun.exe

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

resource	yara_rule
behavioral1/memory/1928-181-0x0000000000400000-0x000000000049A000-memory.dmp	family_vidar
behavioral1/memory/1928-182-0x000000000046803D-mapping.dmp	family_vidar
behavioral1/memory/1836-185-0x0000000000220000-0x00000000002B7000-memory.dmp	family_vidar
behavioral1/memory/1928-186-0x0000000000400000-0x000000000049A000-memory.dmp	family_vidar

Disables Task Manager via registry modification
evasion
Downloads MZ/PE file

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\drivers\etc\hosts	updatewin2.exe

Executes dropped EXE 7 IoCs

pid	Process
1560	updatewin1.exe
1692	updatewin1.exe
1384	updatewin2.exe
1836	5.exe
1928	5.exe
940	9748ddeeb900b695edbb4b38b4319a44.exe
788	9748ddeeb900b695edbb4b38b4319a44.exe

Modifies extensions of user files 4 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

description	ioc	Process
File renamed	C:\Users\Admin\Pictures\TestGet.tiff => C:\Users\Admin\Pictures\TestGet.tiff.pahd	9748ddeeb900b695edbb4b38b4319a44.exe
File renamed	C:\Users\Admin\Pictures\ExitEnter.png => C:\Users\Admin\Pictures\ExitEnter.png.pahd	9748ddeeb900b695edbb4b38b4319a44.exe
File renamed	C:\Users\Admin\Pictures\GroupInstall.raw => C:\Users\Admin\Pictures\GroupInstall.raw.pahd	9748ddeeb900b695edbb4b38b4319a44.exe
File opened for modification	C:\Users\Admin\Pictures\TestGet.tiff	9748ddeeb900b695edbb4b38b4319a44.exe

Loads dropped DLL 16 IoCs

pid	Process
396	9748ddeeb900b695edbb4b38b4319a44.exe
1560	updatewin1.exe
1560	updatewin1.exe
1560	updatewin1.exe
1560	updatewin1.exe
1560	updatewin1.exe
1692	updatewin1.exe
1692	updatewin1.exe
1692	updatewin1.exe
396	9748ddeeb900b695edbb4b38b4319a44.exe
396	9748ddeeb900b695edbb4b38b4319a44.exe
396	9748ddeeb900b695edbb4b38b4319a44.exe
1928	5.exe
1928	5.exe
1928	5.exe
1928	5.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
544	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-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\7546c671-df20-4301-a761-e5ff9cfa4122\\9748ddeeb900b695edbb4b38b4319a44.exe\" --AutoStart"	9748ddeeb900b695edbb4b38b4319a44.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 5 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
13	api.2ip.ua
32	api.2ip.ua
33	api.2ip.ua
4	api.2ip.ua
5	api.2ip.ua

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 748 set thread context of 824	748	9748ddeeb900b695edbb4b38b4319a44.exe	29
PID 872 set thread context of 396	872	9748ddeeb900b695edbb4b38b4319a44.exe	34
PID 1836 set thread context of 1928	1836	5.exe	50
PID 940 set thread context of 788	940	9748ddeeb900b695edbb4b38b4319a44.exe	59

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	5.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	5.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1548	timeout.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
1352	taskkill.exe

Modifies system certificate store 2 TTPs 5 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	9748ddeeb900b695edbb4b38b4319a44.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	9748ddeeb900b695edbb4b38b4319a44.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	9748ddeeb900b695edbb4b38b4319a44.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	9748ddeeb900b695edbb4b38b4319a44.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	9748ddeeb900b695edbb4b38b4319a44.exe

Suspicious behavior: EnumeratesProcesses 17 IoCs

pid	Process
824	9748ddeeb900b695edbb4b38b4319a44.exe
824	9748ddeeb900b695edbb4b38b4319a44.exe
396	9748ddeeb900b695edbb4b38b4319a44.exe
396	9748ddeeb900b695edbb4b38b4319a44.exe
1612	powershell.exe
1612	powershell.exe
1612	powershell.exe
852	powershell.exe
852	powershell.exe
1752	powershell.exe
1928	5.exe
1928	5.exe
1928	5.exe
1928	5.exe
396	9748ddeeb900b695edbb4b38b4319a44.exe
788	9748ddeeb900b695edbb4b38b4319a44.exe
788	9748ddeeb900b695edbb4b38b4319a44.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1612	powershell.exe
Token: SeDebugPrivilege	852	powershell.exe
Token: SeDebugPrivilege	1752	powershell.exe
Token: SeDebugPrivilege	1352	taskkill.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 748 wrote to memory of 824	748	9748ddeeb900b695edbb4b38b4319a44.exe	29
PID 748 wrote to memory of 824	748	9748ddeeb900b695edbb4b38b4319a44.exe	29
PID 748 wrote to memory of 824	748	9748ddeeb900b695edbb4b38b4319a44.exe	29
PID 748 wrote to memory of 824	748	9748ddeeb900b695edbb4b38b4319a44.exe	29
PID 748 wrote to memory of 824	748	9748ddeeb900b695edbb4b38b4319a44.exe	29
PID 748 wrote to memory of 824	748	9748ddeeb900b695edbb4b38b4319a44.exe	29
PID 748 wrote to memory of 824	748	9748ddeeb900b695edbb4b38b4319a44.exe	29
PID 748 wrote to memory of 824	748	9748ddeeb900b695edbb4b38b4319a44.exe	29
PID 748 wrote to memory of 824	748	9748ddeeb900b695edbb4b38b4319a44.exe	29
PID 748 wrote to memory of 824	748	9748ddeeb900b695edbb4b38b4319a44.exe	29
PID 748 wrote to memory of 824	748	9748ddeeb900b695edbb4b38b4319a44.exe	29
PID 824 wrote to memory of 544	824	9748ddeeb900b695edbb4b38b4319a44.exe	32
PID 824 wrote to memory of 544	824	9748ddeeb900b695edbb4b38b4319a44.exe	32
PID 824 wrote to memory of 544	824	9748ddeeb900b695edbb4b38b4319a44.exe	32
PID 824 wrote to memory of 544	824	9748ddeeb900b695edbb4b38b4319a44.exe	32
PID 824 wrote to memory of 872	824	9748ddeeb900b695edbb4b38b4319a44.exe	33
PID 824 wrote to memory of 872	824	9748ddeeb900b695edbb4b38b4319a44.exe	33
PID 824 wrote to memory of 872	824	9748ddeeb900b695edbb4b38b4319a44.exe	33
PID 824 wrote to memory of 872	824	9748ddeeb900b695edbb4b38b4319a44.exe	33
PID 872 wrote to memory of 396	872	9748ddeeb900b695edbb4b38b4319a44.exe	34
PID 872 wrote to memory of 396	872	9748ddeeb900b695edbb4b38b4319a44.exe	34
PID 872 wrote to memory of 396	872	9748ddeeb900b695edbb4b38b4319a44.exe	34
PID 872 wrote to memory of 396	872	9748ddeeb900b695edbb4b38b4319a44.exe	34
PID 872 wrote to memory of 396	872	9748ddeeb900b695edbb4b38b4319a44.exe	34
PID 872 wrote to memory of 396	872	9748ddeeb900b695edbb4b38b4319a44.exe	34
PID 872 wrote to memory of 396	872	9748ddeeb900b695edbb4b38b4319a44.exe	34
PID 872 wrote to memory of 396	872	9748ddeeb900b695edbb4b38b4319a44.exe	34
PID 872 wrote to memory of 396	872	9748ddeeb900b695edbb4b38b4319a44.exe	34
PID 872 wrote to memory of 396	872	9748ddeeb900b695edbb4b38b4319a44.exe	34
PID 872 wrote to memory of 396	872	9748ddeeb900b695edbb4b38b4319a44.exe	34
PID 396 wrote to memory of 1560	396	9748ddeeb900b695edbb4b38b4319a44.exe	35
PID 396 wrote to memory of 1560	396	9748ddeeb900b695edbb4b38b4319a44.exe	35
PID 396 wrote to memory of 1560	396	9748ddeeb900b695edbb4b38b4319a44.exe	35
PID 396 wrote to memory of 1560	396	9748ddeeb900b695edbb4b38b4319a44.exe	35
PID 396 wrote to memory of 1560	396	9748ddeeb900b695edbb4b38b4319a44.exe	35
PID 396 wrote to memory of 1560	396	9748ddeeb900b695edbb4b38b4319a44.exe	35
PID 396 wrote to memory of 1560	396	9748ddeeb900b695edbb4b38b4319a44.exe	35
PID 1560 wrote to memory of 1692	1560	updatewin1.exe	36
PID 1560 wrote to memory of 1692	1560	updatewin1.exe	36
PID 1560 wrote to memory of 1692	1560	updatewin1.exe	36
PID 1560 wrote to memory of 1692	1560	updatewin1.exe	36
PID 1560 wrote to memory of 1692	1560	updatewin1.exe	36
PID 1560 wrote to memory of 1692	1560	updatewin1.exe	36
PID 1560 wrote to memory of 1692	1560	updatewin1.exe	36
PID 1692 wrote to memory of 1612	1692	updatewin1.exe	38
PID 1692 wrote to memory of 1612	1692	updatewin1.exe	38
PID 1692 wrote to memory of 1612	1692	updatewin1.exe	38
PID 1692 wrote to memory of 1612	1692	updatewin1.exe	38
PID 1692 wrote to memory of 1612	1692	updatewin1.exe	38
PID 1692 wrote to memory of 1612	1692	updatewin1.exe	38
PID 1692 wrote to memory of 1612	1692	updatewin1.exe	38
PID 396 wrote to memory of 1384	396	9748ddeeb900b695edbb4b38b4319a44.exe	40
PID 396 wrote to memory of 1384	396	9748ddeeb900b695edbb4b38b4319a44.exe	40
PID 396 wrote to memory of 1384	396	9748ddeeb900b695edbb4b38b4319a44.exe	40
PID 396 wrote to memory of 1384	396	9748ddeeb900b695edbb4b38b4319a44.exe	40
PID 396 wrote to memory of 1384	396	9748ddeeb900b695edbb4b38b4319a44.exe	40
PID 396 wrote to memory of 1384	396	9748ddeeb900b695edbb4b38b4319a44.exe	40
PID 396 wrote to memory of 1384	396	9748ddeeb900b695edbb4b38b4319a44.exe	40
PID 1692 wrote to memory of 852	1692	updatewin1.exe	41
PID 1692 wrote to memory of 852	1692	updatewin1.exe	41
PID 1692 wrote to memory of 852	1692	updatewin1.exe	41
PID 1692 wrote to memory of 852	1692	updatewin1.exe	41
PID 1692 wrote to memory of 852	1692	updatewin1.exe	41
PID 1692 wrote to memory of 852	1692	updatewin1.exe	41

C:\Users\Admin\AppData\Local\Temp\9748ddeeb900b695edbb4b38b4319a44.exe
"C:\Users\Admin\AppData\Local\Temp\9748ddeeb900b695edbb4b38b4319a44.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:748
- C:\Users\Admin\AppData\Local\Temp\9748ddeeb900b695edbb4b38b4319a44.exe
  "C:\Users\Admin\AppData\Local\Temp\9748ddeeb900b695edbb4b38b4319a44.exe"
  2⤵
  - Adds Run key to start application
  - Modifies system certificate store
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:824
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\7546c671-df20-4301-a761-e5ff9cfa4122" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    PID:544
- - C:\Users\Admin\AppData\Local\Temp\9748ddeeb900b695edbb4b38b4319a44.exe
    "C:\Users\Admin\AppData\Local\Temp\9748ddeeb900b695edbb4b38b4319a44.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:872
  - - C:\Users\Admin\AppData\Local\Temp\9748ddeeb900b695edbb4b38b4319a44.exe
      "C:\Users\Admin\AppData\Local\Temp\9748ddeeb900b695edbb4b38b4319a44.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      Modifies extensions of user files
      Loads dropped DLL
      Modifies system certificate store
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of WriteProcessMemory
      PID:396
    - - C:\Users\Admin\AppData\Local\df51b361-759b-4442-b14a-ab81ac82f4a3\updatewin1.exe
        
        "C:\Users\Admin\AppData\Local\df51b361-759b-4442-b14a-ab81ac82f4a3\updatewin1.exe"
        5⤵
        Executes dropped EXE
        Loads dropped DLL
        Suspicious use of WriteProcessMemory
        
        PID:1560
      - C:\Users\Admin\AppData\Local\df51b361-759b-4442-b14a-ab81ac82f4a3\updatewin1.exe
        
        "C:\Users\Admin\AppData\Local\df51b361-759b-4442-b14a-ab81ac82f4a3\updatewin1.exe" --Admin
        6⤵
        Executes dropped EXE
        Loads dropped DLL
        Suspicious use of WriteProcessMemory
        
        PID:1692
        
        C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        
        powershell -Command Set-ExecutionPolicy -Scope CurrentUser RemoteSigned
        7⤵
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:1612
        
        C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        
        powershell -NoProfile -ExecutionPolicy Bypass -Command "& {Start-Process PowerShell -ArgumentList '-NoProfile -ExecutionPolicy Bypass -File ""C:\Users\Admin\AppData\Local\script.ps1""' -Verb RunAs}"
        7⤵
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:852
        
        C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass -File "C:\Users\Admin\AppData\Local\script.ps1
        8⤵
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:1752
        
        C:\Program Files\Windows Defender\mpcmdrun.exe
        
        "C:\Program Files\Windows Defender\mpcmdrun.exe" -removedefinitions -all
        7⤵
        Deletes Windows Defender Definitions
        
        PID:1748
        
        C:\Windows\SysWOW64\cmd.exe
        
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\delself.bat""
        7⤵
        
        PID:1852
    - - C:\Users\Admin\AppData\Local\df51b361-759b-4442-b14a-ab81ac82f4a3\updatewin2.exe
        
        "C:\Users\Admin\AppData\Local\df51b361-759b-4442-b14a-ab81ac82f4a3\updatewin2.exe"
        5⤵
        Drops file in Drivers directory
        Executes dropped EXE
        
        PID:1384
    - - C:\Users\Admin\AppData\Local\df51b361-759b-4442-b14a-ab81ac82f4a3\5.exe
        
        "C:\Users\Admin\AppData\Local\df51b361-759b-4442-b14a-ab81ac82f4a3\5.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        
        PID:1836
      - C:\Users\Admin\AppData\Local\df51b361-759b-4442-b14a-ab81ac82f4a3\5.exe
        
        "C:\Users\Admin\AppData\Local\df51b361-759b-4442-b14a-ab81ac82f4a3\5.exe"
        6⤵
        Executes dropped EXE
        Loads dropped DLL
        Checks processor information in registry
        Suspicious behavior: EnumeratesProcesses
        
        PID:1928
        
        C:\Windows\SysWOW64\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /c taskkill /im 5.exe /f & timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\df51b361-759b-4442-b14a-ab81ac82f4a3\5.exe" & del C:\ProgramData\*.dll & exit
        7⤵
        
        PID:2004
        
        C:\Windows\SysWOW64\taskkill.exe
        
        taskkill /im 5.exe /f
        8⤵
        Kills process with taskkill
        Suspicious use of AdjustPrivilegeToken
        
        PID:1352
        
        C:\Windows\SysWOW64\timeout.exe
        
        timeout /t 6
        8⤵
        Delays execution with timeout.exe
        
        PID:1548

C:\Windows\system32\taskeng.exe
taskeng.exe {F3914607-D519-4EBE-8270-D1BA8290F689} S-1-5-21-2513283230-931923277-594887482-1000:MRBKYMNO\Admin:Interactive:[1]
1⤵
PID:572
- C:\Users\Admin\AppData\Local\7546c671-df20-4301-a761-e5ff9cfa4122\9748ddeeb900b695edbb4b38b4319a44.exe
  C:\Users\Admin\AppData\Local\7546c671-df20-4301-a761-e5ff9cfa4122\9748ddeeb900b695edbb4b38b4319a44.exe --Task
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  PID:940
- - C:\Users\Admin\AppData\Local\7546c671-df20-4301-a761-e5ff9cfa4122\9748ddeeb900b695edbb4b38b4319a44.exe
    C:\Users\Admin\AppData\Local\7546c671-df20-4301-a761-e5ff9cfa4122\9748ddeeb900b695edbb4b38b4319a44.exe --Task
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    PID:788

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Command-Line Interface

T1059

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

T1222

Impair Defenses

T1562

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/396-77-0x0000000000400000-0x0000000000537000-memory.dmp

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memory/748-62-0x0000000001DA0000-0x0000000001EBB000-memory.dmp

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memory/824-59-0x0000000000400000-0x0000000000537000-memory.dmp

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memory/824-63-0x0000000000400000-0x0000000000537000-memory.dmp

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memory/824-61-0x0000000075A71000-0x0000000075A73000-memory.dmp

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memory/852-132-0x0000000005420000-0x0000000005421000-memory.dmp

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memory/852-136-0x0000000004A30000-0x0000000004A31000-memory.dmp

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memory/852-138-0x0000000004A32000-0x0000000004A33000-memory.dmp

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memory/852-146-0x0000000006260000-0x0000000006261000-memory.dmp

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memory/852-131-0x00000000027A0000-0x00000000027A1000-memory.dmp

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memory/852-130-0x0000000004A70000-0x0000000004A71000-memory.dmp

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memory/852-129-0x00000000010E0000-0x00000000010E1000-memory.dmp

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memory/1384-108-0x0000000000400000-0x000000000044D000-memory.dmp

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memory/1560-86-0x0000000000400000-0x000000000044D000-memory.dmp

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memory/1612-101-0x0000000004B22000-0x0000000004B23000-memory.dmp

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memory/1612-124-0x0000000006360000-0x0000000006361000-memory.dmp

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memory/1612-98-0x0000000004B60000-0x0000000004B61000-memory.dmp

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memory/1612-100-0x0000000004B20000-0x0000000004B21000-memory.dmp

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memory/1612-111-0x0000000005770000-0x0000000005771000-memory.dmp

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memory/1612-97-0x0000000000570000-0x0000000000571000-memory.dmp

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memory/1612-127-0x000000007EF30000-0x000000007EF31000-memory.dmp

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memory/1612-117-0x00000000062A0000-0x00000000062A1000-memory.dmp

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memory/1612-107-0x0000000002830000-0x0000000002831000-memory.dmp

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memory/1612-106-0x0000000000FB0000-0x0000000000FB1000-memory.dmp

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memory/1612-116-0x0000000005810000-0x0000000005811000-memory.dmp

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memory/1692-99-0x0000000000400000-0x000000000044D000-memory.dmp

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memory/1752-154-0x0000000004AA2000-0x0000000004AA3000-memory.dmp

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memory/1752-155-0x0000000002820000-0x0000000002821000-memory.dmp

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memory/1752-151-0x0000000001030000-0x0000000001031000-memory.dmp

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memory/1752-153-0x0000000004AA0000-0x0000000004AA1000-memory.dmp

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memory/1752-157-0x0000000004A70000-0x0000000004A71000-memory.dmp

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memory/1752-179-0x0000000006570000-0x0000000006571000-memory.dmp

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memory/1752-178-0x0000000006560000-0x0000000006561000-memory.dmp

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memory/1752-170-0x000000007EF20000-0x000000007EF21000-memory.dmp

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memory/1752-165-0x0000000005A30000-0x0000000005A31000-memory.dmp

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memory/1752-162-0x0000000005920000-0x0000000005921000-memory.dmp

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memory/1836-185-0x0000000000220000-0x00000000002B7000-memory.dmp

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memory/1928-181-0x0000000000400000-0x000000000049A000-memory.dmp

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memory/1928-186-0x0000000000400000-0x000000000049A000-memory.dmp

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