djvu | 2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce

Analysis

max time kernel
118s
max time network
124s
platform
windows10_x64
resource
win10-en-20211014
submitted
22-10-2021 13:56

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General

Target

2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe
Size

864KB
MD5

f3be5cf68ba866a6a4957c43fe4747f8
SHA1

1fba60aab1e176addf56a9710d75ba8dce424d7c
SHA256

2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce
SHA512

f9ab9af5f6e4d2c206031277fdd72e96649e593e4dd314f0bb87360ef5ad78286bf8c9b7757d29d67fac29bcfcc4406adb233da9b108acb1e0e0d949713a6e50

Score

10^/10

djvu vidar 517 discovery persistence ransomware spyware stealer

Malware Config

Extracted

Family

vidar

Version

41.5

Botnet

517

https://mas.to/@xeroxxx

Attributes

profile_id
517

Extracted

Family

djvu

http://rlrz.org/fhsgtsspen6

Signatures

Detected Djvu ransomware 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/3500-116-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3500-117-0x0000000000424141-mapping.dmp	family_djvu
behavioral1/memory/3148-118-0x0000000000F40000-0x000000000105B000-memory.dmp	family_djvu
behavioral1/memory/3500-119-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2212-125-0x0000000000424141-mapping.dmp	family_djvu
behavioral1/memory/2212-130-0x0000000000400000-0x0000000000537000-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

Vidar Stealer 4 IoCs

stealer

Processes:

resource	yara_rule
behavioral1/memory/3420-139-0x0000000004BB0000-0x0000000004C86000-memory.dmp	family_vidar
behavioral1/memory/4020-140-0x0000000000400000-0x00000000004D9000-memory.dmp	family_vidar
behavioral1/memory/4020-141-0x00000000004A18CD-mapping.dmp	family_vidar
behavioral1/memory/4020-147-0x0000000000400000-0x00000000004D9000-memory.dmp	family_vidar

Downloads MZ/PE file
Executes dropped EXE 8 IoCs

Processes:

build2.exebuild3.exebuild2.exebuild3.exemstsca.exemstsca.exemstsca.exemstsca.exe

pid process

3420 build2.exe
3880 build3.exe
4020 build2.exe
1364 build3.exe
3460 mstsca.exe
3660 mstsca.exe
3540 mstsca.exe
2184 mstsca.exe
Loads dropped DLL 2 IoCs

Processes:

build2.exe

pid process

4020 build2.exe
4020 build2.exe
Modifies file permissions 1 TTPs 1 IoCs
discovery

File and Directory Permissions Modification
T1222

Processes:

icacls.exe

pid process

3212 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

pid	process
3420	build2.exe
3880	build3.exe
4020	build2.exe
1364	build3.exe
3460	mstsca.exe
3660	mstsca.exe
3540	mstsca.exe
2184	mstsca.exe

pid	process
4020	build2.exe
4020	build2.exe

pid	process
3212	icacls.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\7b7dd478-389f-4d7b-9280-81236fbc0b9f\\2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe\" --AutoStart"	2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.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.

Processes:

flow ioc

10 api.2ip.ua
11 api.2ip.ua
16 api.2ip.ua

flow	ioc
10	api.2ip.ua
11	api.2ip.ua
16	api.2ip.ua

Suspicious use of SetThreadContext 6 IoCs

Processes:

2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exebuild2.exebuild3.exemstsca.exemstsca.exe

description	pid	process	target process
PID 3148 set thread context of 3500	3148	2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe	2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe
PID 1328 set thread context of 2212	1328	2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe	2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe
PID 3420 set thread context of 4020	3420	build2.exe	build2.exe
PID 3880 set thread context of 1364	3880	build3.exe	build3.exe
PID 3460 set thread context of 3660	3460	mstsca.exe	mstsca.exe
PID 3540 set thread context of 2184	3540	mstsca.exe	mstsca.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 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

build2.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	build2.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	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

Processes:

schtasks.exeschtasks.exe

pid process

668 schtasks.exe
588 schtasks.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

3184 timeout.exe
Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

3980 taskkill.exe

pid	process
668	schtasks.exe
588	schtasks.exe

pid	process
3184	timeout.exe

pid	process
3980	taskkill.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exebuild2.exe

pid	process
3500	2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe
3500	2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe
2212	2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe
2212	2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe
4020	build2.exe
4020	build2.exe
4020	build2.exe
4020	build2.exe
4020	build2.exe
4020	build2.exe
4020	build2.exe
4020	build2.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 3980 taskkill.exe

description	pid	process
Token: SeDebugPrivilege	3980	taskkill.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exebuild2.exebuild3.exebuild3.exebuild2.execmd.exemstsca.exe

description	pid	process	target process
PID 3148 wrote to memory of 3500	3148	2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe	2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe
PID 3148 wrote to memory of 3500	3148	2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe	2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe
PID 3148 wrote to memory of 3500	3148	2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe	2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe
PID 3148 wrote to memory of 3500	3148	2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe	2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe
PID 3148 wrote to memory of 3500	3148	2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe	2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe
PID 3148 wrote to memory of 3500	3148	2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe	2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe
PID 3148 wrote to memory of 3500	3148	2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe	2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe
PID 3148 wrote to memory of 3500	3148	2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe	2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe
PID 3148 wrote to memory of 3500	3148	2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe	2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe
PID 3148 wrote to memory of 3500	3148	2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe	2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe
PID 3500 wrote to memory of 3212	3500	2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe	icacls.exe
PID 3500 wrote to memory of 3212	3500	2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe	icacls.exe
PID 3500 wrote to memory of 3212	3500	2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe	icacls.exe
PID 3500 wrote to memory of 1328	3500	2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe	2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe
PID 3500 wrote to memory of 1328	3500	2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe	2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe
PID 3500 wrote to memory of 1328	3500	2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe	2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe
PID 1328 wrote to memory of 2212	1328	2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe	2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe
PID 1328 wrote to memory of 2212	1328	2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe	2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe
PID 1328 wrote to memory of 2212	1328	2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe	2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe
PID 1328 wrote to memory of 2212	1328	2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe	2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe
PID 1328 wrote to memory of 2212	1328	2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe	2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe
PID 1328 wrote to memory of 2212	1328	2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe	2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe
PID 1328 wrote to memory of 2212	1328	2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe	2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe
PID 1328 wrote to memory of 2212	1328	2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe	2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe
PID 1328 wrote to memory of 2212	1328	2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe	2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe
PID 1328 wrote to memory of 2212	1328	2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe	2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe
PID 2212 wrote to memory of 3420	2212	2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe	build2.exe
PID 2212 wrote to memory of 3420	2212	2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe	build2.exe
PID 2212 wrote to memory of 3420	2212	2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe	build2.exe
PID 2212 wrote to memory of 3880	2212	2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe	build3.exe
PID 2212 wrote to memory of 3880	2212	2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe	build3.exe
PID 2212 wrote to memory of 3880	2212	2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe	build3.exe
PID 3420 wrote to memory of 4020	3420	build2.exe	build2.exe
PID 3420 wrote to memory of 4020	3420	build2.exe	build2.exe
PID 3420 wrote to memory of 4020	3420	build2.exe	build2.exe
PID 3420 wrote to memory of 4020	3420	build2.exe	build2.exe
PID 3420 wrote to memory of 4020	3420	build2.exe	build2.exe
PID 3420 wrote to memory of 4020	3420	build2.exe	build2.exe
PID 3420 wrote to memory of 4020	3420	build2.exe	build2.exe
PID 3420 wrote to memory of 4020	3420	build2.exe	build2.exe
PID 3880 wrote to memory of 1364	3880	build3.exe	build3.exe
PID 3880 wrote to memory of 1364	3880	build3.exe	build3.exe
PID 3880 wrote to memory of 1364	3880	build3.exe	build3.exe
PID 3880 wrote to memory of 1364	3880	build3.exe	build3.exe
PID 3880 wrote to memory of 1364	3880	build3.exe	build3.exe
PID 3880 wrote to memory of 1364	3880	build3.exe	build3.exe
PID 3880 wrote to memory of 1364	3880	build3.exe	build3.exe
PID 3880 wrote to memory of 1364	3880	build3.exe	build3.exe
PID 3880 wrote to memory of 1364	3880	build3.exe	build3.exe
PID 1364 wrote to memory of 668	1364	build3.exe	schtasks.exe
PID 1364 wrote to memory of 668	1364	build3.exe	schtasks.exe
PID 1364 wrote to memory of 668	1364	build3.exe	schtasks.exe
PID 4020 wrote to memory of 1716	4020	build2.exe	cmd.exe
PID 4020 wrote to memory of 1716	4020	build2.exe	cmd.exe
PID 4020 wrote to memory of 1716	4020	build2.exe	cmd.exe
PID 1716 wrote to memory of 3980	1716	cmd.exe	taskkill.exe
PID 1716 wrote to memory of 3980	1716	cmd.exe	taskkill.exe
PID 1716 wrote to memory of 3980	1716	cmd.exe	taskkill.exe
PID 1716 wrote to memory of 3184	1716	cmd.exe	timeout.exe
PID 1716 wrote to memory of 3184	1716	cmd.exe	timeout.exe
PID 1716 wrote to memory of 3184	1716	cmd.exe	timeout.exe
PID 3460 wrote to memory of 3660	3460	mstsca.exe	mstsca.exe
PID 3460 wrote to memory of 3660	3460	mstsca.exe	mstsca.exe
PID 3460 wrote to memory of 3660	3460	mstsca.exe	mstsca.exe

C:\Users\Admin\AppData\Local\Temp\2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe
"C:\Users\Admin\AppData\Local\Temp\2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3148
- C:\Users\Admin\AppData\Local\Temp\2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe
  "C:\Users\Admin\AppData\Local\Temp\2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe"
  2⤵
  - Adds Run key to start application
  - Modifies system certificate store
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:3500
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\7b7dd478-389f-4d7b-9280-81236fbc0b9f" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    PID:3212
- - C:\Users\Admin\AppData\Local\Temp\2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe
    "C:\Users\Admin\AppData\Local\Temp\2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:1328
  - - C:\Users\Admin\AppData\Local\Temp\2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe
      "C:\Users\Admin\AppData\Local\Temp\2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of WriteProcessMemory
      PID:2212
    - - C:\Users\Admin\AppData\Local\7fdf1981-f44e-4161-b130-b12208839d38\build2.exe
        
        "C:\Users\Admin\AppData\Local\7fdf1981-f44e-4161-b130-b12208839d38\build2.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious use of WriteProcessMemory
        
        PID:3420
      - C:\Users\Admin\AppData\Local\7fdf1981-f44e-4161-b130-b12208839d38\build2.exe
        
        "C:\Users\Admin\AppData\Local\7fdf1981-f44e-4161-b130-b12208839d38\build2.exe"
        6⤵
        Executes dropped EXE
        Loads dropped DLL
        Checks processor information in registry
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of WriteProcessMemory
        
        PID:4020
        
        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\7fdf1981-f44e-4161-b130-b12208839d38\build2.exe" & del C:\ProgramData\*.dll & exit
        7⤵
        Suspicious use of WriteProcessMemory
        
        PID:1716
        
        C:\Windows\SysWOW64\taskkill.exe
        
        taskkill /im build2.exe /f
        8⤵
        Kills process with taskkill
        Suspicious use of AdjustPrivilegeToken
        
        PID:3980
        
        C:\Windows\SysWOW64\timeout.exe
        
        timeout /t 6
        8⤵
        Delays execution with timeout.exe
        
        PID:3184
    - - C:\Users\Admin\AppData\Local\7fdf1981-f44e-4161-b130-b12208839d38\build3.exe
        
        "C:\Users\Admin\AppData\Local\7fdf1981-f44e-4161-b130-b12208839d38\build3.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious use of WriteProcessMemory
        
        PID:3880
      - C:\Users\Admin\AppData\Local\7fdf1981-f44e-4161-b130-b12208839d38\build3.exe
        
        "C:\Users\Admin\AppData\Local\7fdf1981-f44e-4161-b130-b12208839d38\build3.exe"
        6⤵
        Executes dropped EXE
        Suspicious use of WriteProcessMemory
        
        PID:1364
        
        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:668

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:3460
- C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
  2⤵
  - Executes dropped EXE
  PID:3660
- - 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:588

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:3540
- C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
  2⤵
  - Executes dropped EXE
  PID:2184

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

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Downloads

C:\ProgramData\freebl3.dll

MD5
ef2834ac4ee7d6724f255beaf527e635

SHA1
5be8c1e73a21b49f353c2ecfa4108e43a883cb7b

SHA256
a770ecba3b08bbabd0a567fc978e50615f8b346709f8eb3cfacf3faab24090ba

SHA512
c6ea0e4347cbd7ef5e80ae8c0afdca20ea23ac2bdd963361dfaf562a9aed58dcbc43f89dd826692a064d76c3f4b3e92361af7b79a6d16a75d9951591ae3544d2

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C:\ProgramData\mozglue.dll

MD5
8f73c08a9660691143661bf7332c3c27

SHA1
37fa65dd737c50fda710fdbde89e51374d0c204a

SHA256
3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

SHA512
0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

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C:\ProgramData\msvcp140.dll

MD5
109f0f02fd37c84bfc7508d4227d7ed5

SHA1
ef7420141bb15ac334d3964082361a460bfdb975

SHA256
334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4

SHA512
46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39

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C:\ProgramData\nss3.dll

MD5
bfac4e3c5908856ba17d41edcd455a51

SHA1
8eec7e888767aa9e4cca8ff246eb2aacb9170428

SHA256
e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

SHA512
2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

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C:\ProgramData\softokn3.dll

MD5
a2ee53de9167bf0d6c019303b7ca84e5

SHA1
2a3c737fa1157e8483815e98b666408a18c0db42

SHA256
43536adef2ddcc811c28d35fa6ce3031029a2424ad393989db36169ff2995083

SHA512
45b56432244f86321fa88fbcca6a0d2a2f7f4e0648c1d7d7b1866adc9daa5eddd9f6bb73662149f279c9ab60930dad1113c8337cb5e6ec9eed5048322f65f7d8

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C:\ProgramData\vcruntime140.dll

MD5
7587bf9cb4147022cd5681b015183046

SHA1
f2106306a8f6f0da5afb7fc765cfa0757ad5a628

SHA256
c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

SHA512
0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D

MD5
50d9d5311b74576fbbb5c9f204fdc16b

SHA1
7dd97b713e33f287440441aa3bb7966a2cb68321

SHA256
d76a71e8dfd6961d4912a23b2fd207f2a93c67523dfcda252358eafa5821b2ad

SHA512
67d02ce79bb8fd641783ba12ab5587900a03416627939084ce87f22b42ca7d50765947e2238b3c6a70a74bce3c9233b486aaa10feb57e714646e4d02c0c926c0

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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E

MD5
8f19b97ffda28eb06efc2181fd126b9c

SHA1
142443021d6ffaf32d3d60635d0edf540a039f2e

SHA256
49607d1b931a79642c5268292b4f16f2db7ec77b53f8abddbc0cce36ed88e3f7

SHA512
6577704c531cc07d1ae8d61dfe6d8735d29d1386038fa9e3f5580c80c30dc04570ec0160f51903d05b180c4af68f0eb8e23e2106c3bb367afd32d033aae031e6

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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D

MD5
60e0dbf40158243641e06e580b6842a3

SHA1
06472af07b8d52db8b3f8a39d9258be927c6a741

SHA256
dd2b847dc73c29f54fd64780ad9a0bf2516448470e59e85078d2c1a1570581d7

SHA512
340b2f672dbee6169609155c85c26476fbcf7b0b90288e06e3bc4d047858425301b6a5b3a9f5a60dc31b653e6b7ace302a1c1969a3b372d09f05a407fee72a62

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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E

MD5
ed2aa19434ab2745d3f89e67668e3b8e

SHA1
c797248dc4c6d1fa575724f963a34c5a03062acb

SHA256
6665a6e1e50aac544092aa28f14285309fbaf0ad485410148821730fa14d9eba

SHA512
3b38376194b099d4f292e26b5a6ccf53d625becf3c687609dd855ef8d4a3c4168f95f6205ac1113e9fdfe3ac6e14a97f2ccd366530e5655a99b0097fb41cf59a

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C:\Users\Admin\AppData\Local\7b7dd478-389f-4d7b-9280-81236fbc0b9f\2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce.exe

MD5
f3be5cf68ba866a6a4957c43fe4747f8

SHA1
1fba60aab1e176addf56a9710d75ba8dce424d7c

SHA256
2fc8445a8abdfbdc6135125b6ad1a36670c52136d30973cf41f16d4f070720ce

SHA512
f9ab9af5f6e4d2c206031277fdd72e96649e593e4dd314f0bb87360ef5ad78286bf8c9b7757d29d67fac29bcfcc4406adb233da9b108acb1e0e0d949713a6e50

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C:\Users\Admin\AppData\Local\7fdf1981-f44e-4161-b130-b12208839d38\build2.exe

MD5
a2ef57bbe3a8af95196a419a7962bfaa

SHA1
1a0c42723cd1e2e947f904619de7fcea5ca4a183

SHA256
4bc52cd8296fcffc22b5ca8ebf2b161260d71c8d34658f45c9c93cf6d65749e9

SHA512
ca4781632cc0fb2c53f1ae0d0b798da386514f58b6a48845197eea05da7af162405dee1d4b139e661798c29a095e50cdde9f193dea4a9c5366ee763a899ac160

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C:\Users\Admin\AppData\Local\7fdf1981-f44e-4161-b130-b12208839d38\build2.exe

MD5
a2ef57bbe3a8af95196a419a7962bfaa

SHA1
1a0c42723cd1e2e947f904619de7fcea5ca4a183

SHA256
4bc52cd8296fcffc22b5ca8ebf2b161260d71c8d34658f45c9c93cf6d65749e9

SHA512
ca4781632cc0fb2c53f1ae0d0b798da386514f58b6a48845197eea05da7af162405dee1d4b139e661798c29a095e50cdde9f193dea4a9c5366ee763a899ac160

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C:\Users\Admin\AppData\Local\7fdf1981-f44e-4161-b130-b12208839d38\build2.exe

MD5
a2ef57bbe3a8af95196a419a7962bfaa

SHA1
1a0c42723cd1e2e947f904619de7fcea5ca4a183

SHA256
4bc52cd8296fcffc22b5ca8ebf2b161260d71c8d34658f45c9c93cf6d65749e9

SHA512
ca4781632cc0fb2c53f1ae0d0b798da386514f58b6a48845197eea05da7af162405dee1d4b139e661798c29a095e50cdde9f193dea4a9c5366ee763a899ac160

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C:\Users\Admin\AppData\Local\7fdf1981-f44e-4161-b130-b12208839d38\build3.exe

MD5
0fea771099e342facd95a9d659548919

SHA1
9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

SHA256
6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

SHA512
2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

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C:\Users\Admin\AppData\Local\7fdf1981-f44e-4161-b130-b12208839d38\build3.exe

MD5
0fea771099e342facd95a9d659548919

SHA1
9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

SHA256
6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

SHA512
2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

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C:\Users\Admin\AppData\Local\7fdf1981-f44e-4161-b130-b12208839d38\build3.exe

MD5
0fea771099e342facd95a9d659548919

SHA1
9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

SHA256
6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

SHA512
2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

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C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe

MD5
0fea771099e342facd95a9d659548919

SHA1
9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

SHA256
6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

SHA512
2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

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C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe

MD5
0fea771099e342facd95a9d659548919

SHA1
9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

SHA256
6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

SHA512
2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe

MD5
0fea771099e342facd95a9d659548919

SHA1
9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

SHA256
6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

SHA512
2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

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C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe

MD5
0fea771099e342facd95a9d659548919

SHA1
9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

SHA256
6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

SHA512
2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe

MD5
0fea771099e342facd95a9d659548919

SHA1
9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

SHA256
6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

SHA512
2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

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\ProgramData\mozglue.dll

MD5
8f73c08a9660691143661bf7332c3c27

SHA1
37fa65dd737c50fda710fdbde89e51374d0c204a

SHA256
3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

SHA512
0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

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\ProgramData\nss3.dll

MD5
bfac4e3c5908856ba17d41edcd455a51

SHA1
8eec7e888767aa9e4cca8ff246eb2aacb9170428

SHA256
e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

SHA512
2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

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memory/588-167-0x0000000000000000-mapping.dmp

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memory/668-146-0x0000000000000000-mapping.dmp

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memory/1328-123-0x0000000000D3D000-0x0000000000DCF000-memory.dmp

Filesize
584KB

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memory/1328-122-0x0000000000000000-mapping.dmp

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memory/1364-143-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

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memory/1364-149-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

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memory/1364-144-0x0000000000401AFA-mapping.dmp

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memory/1716-152-0x0000000000000000-mapping.dmp

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memory/2184-171-0x0000000000401AFA-mapping.dmp

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memory/2212-130-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

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memory/2212-125-0x0000000000424141-mapping.dmp

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memory/3148-115-0x0000000000DD4000-0x0000000000E66000-memory.dmp

Filesize
584KB

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memory/3148-118-0x0000000000F40000-0x000000000105B000-memory.dmp

Filesize
1.1MB

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memory/3184-154-0x0000000000000000-mapping.dmp

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memory/3212-120-0x0000000000000000-mapping.dmp

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memory/3420-134-0x0000000003129000-0x00000000031A5000-memory.dmp

Filesize
496KB

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memory/3420-131-0x0000000000000000-mapping.dmp

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memory/3420-139-0x0000000004BB0000-0x0000000004C86000-memory.dmp

Filesize
856KB

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memory/3500-117-0x0000000000424141-mapping.dmp

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memory/3500-116-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

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memory/3500-119-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

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memory/3540-169-0x00000000034DE000-0x00000000034EE000-memory.dmp

Filesize
64KB

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memory/3540-173-0x0000000003250000-0x000000000339A000-memory.dmp

Filesize
1.3MB

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memory/3660-165-0x0000000000401AFA-mapping.dmp

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memory/3880-148-0x0000000003330000-0x0000000003334000-memory.dmp

Filesize
16KB

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memory/3880-135-0x0000000000000000-mapping.dmp

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memory/3980-153-0x0000000000000000-mapping.dmp

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memory/4020-147-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

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memory/4020-141-0x00000000004A18CD-mapping.dmp

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memory/4020-140-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

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