taurus_stealer | 9bf5a22089f0b74627320945df991bd1dfa37bf5522f8ecb61e5873bc6093f22

Analysis

max time kernel
123s
max time network
124s
platform
windows7_x64
resource
win7v20201028
submitted
08-03-2021 13:59

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General

Target

12e66476395f8c1d0c457a7c13ae71df.exe
Size

737KB
MD5

12e66476395f8c1d0c457a7c13ae71df
SHA1

8cb6d53b8b238c0118a0b4748ec54c9aa49123b7
SHA256

9bf5a22089f0b74627320945df991bd1dfa37bf5522f8ecb61e5873bc6093f22
SHA512

7e80d1b0b45f2f076499d93ef1d810e4a5ad4a4fe5a7156de4cb1a1be1beb779d39912c802a1bead6bbae7f4ce6f8cf64d49441e0d4c12fc488f1d1d90b9150c

Score

10^/10

taurus_stealer vidar discovery persistence spyware stealer trojan

Malware Config

Signatures

Taurus Stealer
Taurus is an infostealer first seen in June 2020.
trojan stealer taurus_stealer
Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar

Executes dropped EXE 2 IoCs

Processes:

updatewin.exe5.exe

pid	Process
1948	updatewin.exe
1908	5.exe

Loads dropped DLL 10 IoCs

Processes:

12e66476395f8c1d0c457a7c13ae71df.exeupdatewin.exe5.exe

pid	Process
932	12e66476395f8c1d0c457a7c13ae71df.exe
1948	updatewin.exe
1948	updatewin.exe
1948	updatewin.exe
932	12e66476395f8c1d0c457a7c13ae71df.exe
932	12e66476395f8c1d0c457a7c13ae71df.exe
1908	5.exe
1908	5.exe
1908	5.exe
1908	5.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

Processes:

icacls.exe

pid	Process
1636	icacls.exe

Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

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

Processes:

12e66476395f8c1d0c457a7c13ae71df.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\7a6aaa1f-d191-4594-8f8c-218926025b0e\\12e66476395f8c1d0c457a7c13ae71df.exe\" --AutoStart"	12e66476395f8c1d0c457a7c13ae71df.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
6	api.2ip.ua
7	api.2ip.ua
15	api.2ip.ua

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:

5.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	5.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	5.exe

Delays execution with timeout.exe 2 IoCs

evasion

Processes:

timeout.exetimeout.exe

pid	Process
1432	timeout.exe
2016	timeout.exe

Kills process with taskkill 1 IoCs

evasion

Processes:

taskkill.exe

pid	Process
1688	taskkill.exe

Modifies system certificate store 2 TTPs 7 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

12e66476395f8c1d0c457a7c13ae71df.exe5.exe12e66476395f8c1d0c457a7c13ae71df.exe

description	ioc	Process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	12e66476395f8c1d0c457a7c13ae71df.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436	5.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436\Blob = 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	5.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	12e66476395f8c1d0c457a7c13ae71df.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	12e66476395f8c1d0c457a7c13ae71df.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	12e66476395f8c1d0c457a7c13ae71df.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	12e66476395f8c1d0c457a7c13ae71df.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

12e66476395f8c1d0c457a7c13ae71df.exe12e66476395f8c1d0c457a7c13ae71df.exe5.exe

pid	Process
1432	12e66476395f8c1d0c457a7c13ae71df.exe
1432	12e66476395f8c1d0c457a7c13ae71df.exe
932	12e66476395f8c1d0c457a7c13ae71df.exe
932	12e66476395f8c1d0c457a7c13ae71df.exe
1908	5.exe
1908	5.exe
1908	5.exe
1908	5.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

updatewin.exetaskkill.exe

description	pid	Process
Token: SeRestorePrivilege	1948	updatewin.exe
Token: SeBackupPrivilege	1948	updatewin.exe
Token: SeDebugPrivilege	1688	taskkill.exe

Suspicious use of WriteProcessMemory 45 IoCs

Processes:

12e66476395f8c1d0c457a7c13ae71df.exe12e66476395f8c1d0c457a7c13ae71df.exeupdatewin.execmd.exe5.execmd.exe

description	pid	Process	procid_target
PID 1432 wrote to memory of 1636	1432	12e66476395f8c1d0c457a7c13ae71df.exe	31
PID 1432 wrote to memory of 1636	1432	12e66476395f8c1d0c457a7c13ae71df.exe	31
PID 1432 wrote to memory of 1636	1432	12e66476395f8c1d0c457a7c13ae71df.exe	31
PID 1432 wrote to memory of 1636	1432	12e66476395f8c1d0c457a7c13ae71df.exe	31
PID 1432 wrote to memory of 932	1432	12e66476395f8c1d0c457a7c13ae71df.exe	32
PID 1432 wrote to memory of 932	1432	12e66476395f8c1d0c457a7c13ae71df.exe	32
PID 1432 wrote to memory of 932	1432	12e66476395f8c1d0c457a7c13ae71df.exe	32
PID 1432 wrote to memory of 932	1432	12e66476395f8c1d0c457a7c13ae71df.exe	32
PID 932 wrote to memory of 1948	932	12e66476395f8c1d0c457a7c13ae71df.exe	33
PID 932 wrote to memory of 1948	932	12e66476395f8c1d0c457a7c13ae71df.exe	33
PID 932 wrote to memory of 1948	932	12e66476395f8c1d0c457a7c13ae71df.exe	33
PID 932 wrote to memory of 1948	932	12e66476395f8c1d0c457a7c13ae71df.exe	33
PID 932 wrote to memory of 1948	932	12e66476395f8c1d0c457a7c13ae71df.exe	33
PID 932 wrote to memory of 1948	932	12e66476395f8c1d0c457a7c13ae71df.exe	33
PID 932 wrote to memory of 1948	932	12e66476395f8c1d0c457a7c13ae71df.exe	33
PID 932 wrote to memory of 1908	932	12e66476395f8c1d0c457a7c13ae71df.exe	34
PID 932 wrote to memory of 1908	932	12e66476395f8c1d0c457a7c13ae71df.exe	34
PID 932 wrote to memory of 1908	932	12e66476395f8c1d0c457a7c13ae71df.exe	34
PID 932 wrote to memory of 1908	932	12e66476395f8c1d0c457a7c13ae71df.exe	34
PID 1948 wrote to memory of 568	1948	updatewin.exe	35
PID 1948 wrote to memory of 568	1948	updatewin.exe	35
PID 1948 wrote to memory of 568	1948	updatewin.exe	35
PID 1948 wrote to memory of 568	1948	updatewin.exe	35
PID 1948 wrote to memory of 568	1948	updatewin.exe	35
PID 1948 wrote to memory of 568	1948	updatewin.exe	35
PID 1948 wrote to memory of 568	1948	updatewin.exe	35
PID 568 wrote to memory of 1432	568	cmd.exe	37
PID 568 wrote to memory of 1432	568	cmd.exe	37
PID 568 wrote to memory of 1432	568	cmd.exe	37
PID 568 wrote to memory of 1432	568	cmd.exe	37
PID 568 wrote to memory of 1432	568	cmd.exe	37
PID 568 wrote to memory of 1432	568	cmd.exe	37
PID 568 wrote to memory of 1432	568	cmd.exe	37
PID 1908 wrote to memory of 1560	1908	5.exe	39
PID 1908 wrote to memory of 1560	1908	5.exe	39
PID 1908 wrote to memory of 1560	1908	5.exe	39
PID 1908 wrote to memory of 1560	1908	5.exe	39
PID 1560 wrote to memory of 1688	1560	cmd.exe	41
PID 1560 wrote to memory of 1688	1560	cmd.exe	41
PID 1560 wrote to memory of 1688	1560	cmd.exe	41
PID 1560 wrote to memory of 1688	1560	cmd.exe	41
PID 1560 wrote to memory of 2016	1560	cmd.exe	43
PID 1560 wrote to memory of 2016	1560	cmd.exe	43
PID 1560 wrote to memory of 2016	1560	cmd.exe	43
PID 1560 wrote to memory of 2016	1560	cmd.exe	43

C:\Users\Admin\AppData\Local\Temp\12e66476395f8c1d0c457a7c13ae71df.exe
"C:\Users\Admin\AppData\Local\Temp\12e66476395f8c1d0c457a7c13ae71df.exe"
1⤵
- Adds Run key to start application
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1432
- C:\Windows\SysWOW64\icacls.exe
  icacls "C:\Users\Admin\AppData\Local\7a6aaa1f-d191-4594-8f8c-218926025b0e" /deny *S-1-1-0:(OI)(CI)(DE,DC)
  2⤵
  - Modifies file permissions
  PID:1636
- C:\Users\Admin\AppData\Local\Temp\12e66476395f8c1d0c457a7c13ae71df.exe
  "C:\Users\Admin\AppData\Local\Temp\12e66476395f8c1d0c457a7c13ae71df.exe" --Admin IsNotAutoStart IsNotTask
  2⤵
  - Loads dropped DLL
  - Modifies system certificate store
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:932
- - C:\Users\Admin\AppData\Local\cc45fe3d-9b9c-430c-bc12-b0be21aa451f\updatewin.exe
    "C:\Users\Admin\AppData\Local\cc45fe3d-9b9c-430c-bc12-b0be21aa451f\updatewin.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1948
  - - C:\Windows\SysWOW64\cmd.exe
      /c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\cc45fe3d-9b9c-430c-bc12-b0be21aa451f\updatewin.exe
      4⤵
      Suspicious use of WriteProcessMemory
      PID:568
    - - C:\Windows\SysWOW64\timeout.exe
        
        timeout /t 3
        5⤵
        Delays execution with timeout.exe
        
        PID:1432
- - C:\Users\Admin\AppData\Local\cc45fe3d-9b9c-430c-bc12-b0be21aa451f\5.exe
    "C:\Users\Admin\AppData\Local\cc45fe3d-9b9c-430c-bc12-b0be21aa451f\5.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Checks processor information in registry
    - Modifies system certificate store
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:1908
  - - 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\cc45fe3d-9b9c-430c-bc12-b0be21aa451f\5.exe" & del C:\ProgramData\*.dll & exit
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1560
    - - C:\Windows\SysWOW64\taskkill.exe
        
        taskkill /im 5.exe /f
        5⤵
        Kills process with taskkill
        Suspicious use of AdjustPrivilegeToken
        
        PID:1688
    - - C:\Windows\SysWOW64\timeout.exe
        
        timeout /t 6
        5⤵
        Delays execution with timeout.exe
        
        PID:2016

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

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

Replay Monitor

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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
19b7135281b1d256b6c837a6a5c2ae40

SHA1
7fb3dc1fa740c77db06689140c51c8da1ed1a6a3

SHA256
116c8d03bfe5010743bf225ab88b111370a6c1170f45b066bcced9a49af6a661

SHA512
993ad1951cbcad88a3cde6c0fceee06beb11557ac1703bd8c540f93e5c9c2749cea3e7fb242ab07eb660cc4ab6015a557a2ecbb727c1182ba4554757f29f634b

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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

MD5
61a03d15cf62612f50b74867090dbe79

SHA1
15228f34067b4b107e917bebaf17cc7c3c1280a8

SHA256
f9e23dc21553daa34c6eb778cd262831e466ce794f4bea48150e8d70d3e6af6d

SHA512
5fece89ccbbf994e4f1e3ef89a502f25a72f359d445c034682758d26f01d9f3aa20a43010b9a87f2687da7ba201476922aa46d4906d442d56eb59b2b881259d3

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

MD5
899e9694777b7b35087a51ffcc729d43

SHA1
8359dcd3ca4c8bde585b012ccccc84bf135d3797

SHA256
98e3871c94e70237460ff3e42aef8f87b5bedfe9b85d38e699046827dadcee75

SHA512
5ca781a78900afa2f192d2dfd8178997cd727444cca8b14844ea2c5cdff470cf588eb769acb60a4ffe2ebf1cfaeb02a6abfe71e674b282e01935570da190e182

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

MD5
0603c0604bd859d9bb474251e0faf99f

SHA1
ed808aef26754a4ca2f20c2c8f05a782426d8400

SHA256
f32c633fa6b99b8c05473551e8cb2aeab93b79291a9ebee4fe3e1c815efcc09e

SHA512
bc0c3ceb0ac3311780e21d5c337e98abd71acdb5df2326195b67d13e389db98ae25d303ecdd3372ef5444f32dc117aee6979b2384a2b7d4ff91da8ba7ecaf76b

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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

MD5
bd8081c2b3a422bfafd55ffd9115a250

SHA1
96a6daa2260547564cb5841864c27f178b81856c

SHA256
6b7543f137845fa64941a4e4a625e44482ea62efdb8e6d4389670280ef00a831

SHA512
e8979e22ead6e7e622b9ac7351a616eac2f019f61b3d5f76376ee951794df9ec61c3cd6fd2cd064620bac685a9c644a209893b82afa9e684ba2d65dcee7951fd

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

MD5
6757593c9c48f0c41a5eaf9772bf8dc3

SHA1
b58719a36374bf91e10f2c6a9e6809199aef6aac

SHA256
7ecc7cf796535ad0cf50227601dbdfff0116ca9f0fced7d3ca26e113e1c1b501

SHA512
43c1664f74c903f547f95918f35175ae824d6b4faa3c371ac433a12e3a7d5571f7bd55a9fb4fc4c003d997fed3730287b95ee274afbde07ea09081e49d954bd2

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C:\Users\Admin\AppData\Local\7a6aaa1f-d191-4594-8f8c-218926025b0e\12e66476395f8c1d0c457a7c13ae71df.exe

MD5
12e66476395f8c1d0c457a7c13ae71df

SHA1
8cb6d53b8b238c0118a0b4748ec54c9aa49123b7

SHA256
9bf5a22089f0b74627320945df991bd1dfa37bf5522f8ecb61e5873bc6093f22

SHA512
7e80d1b0b45f2f076499d93ef1d810e4a5ad4a4fe5a7156de4cb1a1be1beb779d39912c802a1bead6bbae7f4ce6f8cf64d49441e0d4c12fc488f1d1d90b9150c

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C:\Users\Admin\AppData\Local\cc45fe3d-9b9c-430c-bc12-b0be21aa451f\5.exe

MD5
6a50d5e91b193be284aa02106ee35e97

SHA1
097137cb64eb18ce55c13f1e841d5312d07fbbf4

SHA256
82c1ccbd7db7615a982f7b8072784575972aff3f0ab4597efda9d2e7ca17b961

SHA512
7f79ef4c3b2cd32e6e1fe6c64d1a693115789665f705144cb912500f25f669f28ac61f709d29057b66bf2a6c1f8376b3a8ef7ccb95668cabf2d15455745f1f03

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C:\Users\Admin\AppData\Local\cc45fe3d-9b9c-430c-bc12-b0be21aa451f\5.exe

MD5
6a50d5e91b193be284aa02106ee35e97

SHA1
097137cb64eb18ce55c13f1e841d5312d07fbbf4

SHA256
82c1ccbd7db7615a982f7b8072784575972aff3f0ab4597efda9d2e7ca17b961

SHA512
7f79ef4c3b2cd32e6e1fe6c64d1a693115789665f705144cb912500f25f669f28ac61f709d29057b66bf2a6c1f8376b3a8ef7ccb95668cabf2d15455745f1f03

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C:\Users\Admin\AppData\Local\cc45fe3d-9b9c-430c-bc12-b0be21aa451f\updatewin.exe

MD5
9010fa92cc83afe00fab38703e6ffa77

SHA1
4d603ec27d02d84a65d1555c2df0896d7675fafc

SHA256
38e6f4d8f53e8a38950594d9588cb00218bf46113c51b5241771181a521b9c75

SHA512
a39ea249da189fedd5f8d1c13d03693626c70ba08c69c4ec76396d3475c5480e98c8dba1da0b74089252d8d781fc050e4eed9346b648ccbb42e22cf6d15399e8

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C:\Users\Admin\AppData\Local\cc45fe3d-9b9c-430c-bc12-b0be21aa451f\updatewin.exe

MD5
9010fa92cc83afe00fab38703e6ffa77

SHA1
4d603ec27d02d84a65d1555c2df0896d7675fafc

SHA256
38e6f4d8f53e8a38950594d9588cb00218bf46113c51b5241771181a521b9c75

SHA512
a39ea249da189fedd5f8d1c13d03693626c70ba08c69c4ec76396d3475c5480e98c8dba1da0b74089252d8d781fc050e4eed9346b648ccbb42e22cf6d15399e8

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\ProgramData\mozglue.dll

MD5
8f73c08a9660691143661bf7332c3c27

SHA1
37fa65dd737c50fda710fdbde89e51374d0c204a

SHA256
3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

SHA512
0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

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\ProgramData\msvcp140.dll

MD5
109f0f02fd37c84bfc7508d4227d7ed5

SHA1
ef7420141bb15ac334d3964082361a460bfdb975

SHA256
334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4

SHA512
46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39

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\ProgramData\nss3.dll

MD5
bfac4e3c5908856ba17d41edcd455a51

SHA1
8eec7e888767aa9e4cca8ff246eb2aacb9170428

SHA256
e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

SHA512
2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

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\ProgramData\vcruntime140.dll

MD5
7587bf9cb4147022cd5681b015183046

SHA1
f2106306a8f6f0da5afb7fc765cfa0757ad5a628

SHA256
c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

SHA512
0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

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\Users\Admin\AppData\Local\cc45fe3d-9b9c-430c-bc12-b0be21aa451f\5.exe

MD5
6a50d5e91b193be284aa02106ee35e97

SHA1
097137cb64eb18ce55c13f1e841d5312d07fbbf4

SHA256
82c1ccbd7db7615a982f7b8072784575972aff3f0ab4597efda9d2e7ca17b961

SHA512
7f79ef4c3b2cd32e6e1fe6c64d1a693115789665f705144cb912500f25f669f28ac61f709d29057b66bf2a6c1f8376b3a8ef7ccb95668cabf2d15455745f1f03

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\Users\Admin\AppData\Local\cc45fe3d-9b9c-430c-bc12-b0be21aa451f\5.exe

MD5
6a50d5e91b193be284aa02106ee35e97

SHA1
097137cb64eb18ce55c13f1e841d5312d07fbbf4

SHA256
82c1ccbd7db7615a982f7b8072784575972aff3f0ab4597efda9d2e7ca17b961

SHA512
7f79ef4c3b2cd32e6e1fe6c64d1a693115789665f705144cb912500f25f669f28ac61f709d29057b66bf2a6c1f8376b3a8ef7ccb95668cabf2d15455745f1f03

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\Users\Admin\AppData\Local\cc45fe3d-9b9c-430c-bc12-b0be21aa451f\updatewin.exe

MD5
9010fa92cc83afe00fab38703e6ffa77

SHA1
4d603ec27d02d84a65d1555c2df0896d7675fafc

SHA256
38e6f4d8f53e8a38950594d9588cb00218bf46113c51b5241771181a521b9c75

SHA512
a39ea249da189fedd5f8d1c13d03693626c70ba08c69c4ec76396d3475c5480e98c8dba1da0b74089252d8d781fc050e4eed9346b648ccbb42e22cf6d15399e8

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\Users\Admin\AppData\Local\cc45fe3d-9b9c-430c-bc12-b0be21aa451f\updatewin.exe

MD5
9010fa92cc83afe00fab38703e6ffa77

SHA1
4d603ec27d02d84a65d1555c2df0896d7675fafc

SHA256
38e6f4d8f53e8a38950594d9588cb00218bf46113c51b5241771181a521b9c75

SHA512
a39ea249da189fedd5f8d1c13d03693626c70ba08c69c4ec76396d3475c5480e98c8dba1da0b74089252d8d781fc050e4eed9346b648ccbb42e22cf6d15399e8

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\Users\Admin\AppData\Local\cc45fe3d-9b9c-430c-bc12-b0be21aa451f\updatewin.exe

MD5
9010fa92cc83afe00fab38703e6ffa77

SHA1
4d603ec27d02d84a65d1555c2df0896d7675fafc

SHA256
38e6f4d8f53e8a38950594d9588cb00218bf46113c51b5241771181a521b9c75

SHA512
a39ea249da189fedd5f8d1c13d03693626c70ba08c69c4ec76396d3475c5480e98c8dba1da0b74089252d8d781fc050e4eed9346b648ccbb42e22cf6d15399e8

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\Users\Admin\AppData\Local\cc45fe3d-9b9c-430c-bc12-b0be21aa451f\updatewin.exe

MD5
9010fa92cc83afe00fab38703e6ffa77

SHA1
4d603ec27d02d84a65d1555c2df0896d7675fafc

SHA256
38e6f4d8f53e8a38950594d9588cb00218bf46113c51b5241771181a521b9c75

SHA512
a39ea249da189fedd5f8d1c13d03693626c70ba08c69c4ec76396d3475c5480e98c8dba1da0b74089252d8d781fc050e4eed9346b648ccbb42e22cf6d15399e8

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memory/568-33-0x0000000000000000-mapping.dmp

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memory/932-10-0x0000000002FF0000-0x0000000003001000-memory.dmp

Filesize
68KB

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memory/932-17-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

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memory/932-9-0x0000000000000000-mapping.dmp

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memory/1432-5-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

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memory/1432-2-0x0000000002D90000-0x0000000002DA1000-memory.dmp

Filesize
68KB

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memory/1432-35-0x0000000000000000-mapping.dmp

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memory/1432-3-0x0000000075BF1000-0x0000000075BF3000-memory.dmp

Filesize
8KB

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memory/1432-4-0x0000000002D90000-0x0000000002EAA000-memory.dmp

Filesize
1.1MB

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memory/1560-41-0x0000000000000000-mapping.dmp

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memory/1636-7-0x0000000000000000-mapping.dmp

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memory/1688-42-0x0000000000000000-mapping.dmp

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memory/1908-30-0x0000000000000000-mapping.dmp

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memory/1948-21-0x0000000000000000-mapping.dmp

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memory/2016-43-0x0000000000000000-mapping.dmp

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memory/2040-6-0x000007FEF74A0000-0x000007FEF771A000-memory.dmp

Filesize
2.5MB

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