blacknet | b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5

Analysis

max time kernel
120s
max time network
117s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-10-2024 08:05

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General

Target

b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe
Size

80KB
MD5

9bd589ca18efe19dd1c0fd088118d090
SHA1

8c2b612bce8a42b6c61ea3c14aba501cd30f29cb
SHA256

b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5
SHA512

af06fa63fe272c20f24ceeb894c2fda1f7abbba5fc16baaae0686b893aa8d3aea785a10c7fad7a0182e4569c83f2ef19450f9edca599269eef544b155f5255d8
SSDEEP

1536:dPvK/3zvzVQtCsscKvWjjzJxuOmb54vHTL6lm:diqCsp3zVmb5uHv6lm

Score

10^/10

blacknet hacked evasion persistence trojan

Malware Config

Extracted

Family

blacknet

Botnet

HacKed

https://lovegunny.net/

Mutex

BN[GnFquUJG-0548378]

Attributes

antivm
false
elevate_uac
true
install_name
WindowsUpdate.exe
splitter
|BN|
start_name
cde2f914e4cce7f13b2c1cec7b6da970
startup
false
usb_spread
true

Signatures

BlackNET
BlackNET is an open source remote access tool written in VB.NET.
trojan blacknet

BlackNET payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/files/0x00070000000174c3-46.dat	family_blacknet

Contains code to disable Windows Defender 1 IoCs

A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

Processes:

resource	yara_rule
behavioral1/files/0x00070000000174c3-46.dat	disable_win_def

Modifies Windows Defender Real-time Protection settings 3 TTPs 4 IoCs

evasion trojan

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify Tools

T1562.001

Processes:

b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe

Executes dropped EXE 1 IoCs

Processes:

WindowsUpdate.exe

pid	Process
1744	WindowsUpdate.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exeWindowsUpdate.exe

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features	WindowsUpdate.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\cde2f914e4cce7f13b2c1cec7b6da970 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Microsoft\\MyClient\\WindowsUpdate.exe"	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe

Modifies system certificate store 2 TTPs 6 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

Processes:

WindowsUpdate.exeb3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe

description	ioc	Process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 0f00000001000000140000003e8e6487f8fd27d322a269a71edaac5d57811286090000000100000034000000303206082b0601050507030106082b0601050507030206082b0601050507030406082b0601050507030306082b0601050507030853000000010000002600000030243022060c2b06010401b231010201050130123010060a2b0601040182373c0101030200c00b00000001000000180000004300b7004f00b7004d00b7004f00b7004400b7004f000000140000000100000014000000a0110a233e96f107ece2af29ef82a57fd030a4b41d00000001000000100000002e0d6875874a44c820912e85e964cfdb030000000100000014000000d1eb23a46d17d68fd92564c2f1f1601764d8e349200000000100000036040000308204323082031aa003020102020101300d06092a864886f70d0101050500307b310b3009060355040613024742311b301906035504080c1247726561746572204d616e636865737465723110300e06035504070c0753616c666f7264311a3018060355040a0c11436f6d6f646f204341204c696d697465643121301f06035504030c18414141204365727469666963617465205365727669636573301e170d3034303130313030303030305a170d3238313233313233353935395a307b310b3009060355040613024742311b301906035504080c1247726561746572204d616e636865737465723110300e06035504070c0753616c666f7264311a3018060355040a0c11436f6d6f646f204341204c696d697465643121301f06035504030c1841414120436572746966696361746520536572766963657330820122300d06092a864886f70d01010105000382010f003082010a0282010100be409df46ee1ea76871c4d45448ebe46c883069dc12afe181f8ee402faf3ab5d508a16310b9a06d0c57022cd492d5463ccb66e68460b53eacb4c24c0bc724eeaf115aef4549a120ac37ab23360e2da8955f32258f3dedccfef8386a28c944f9f68f29890468427c776bfe3cc352c8b5e07646582c048b0a891f9619f762050a891c766b5eb78620356f08a1a13ea31a31ea099fd38f6f62732586f07f56bb8fb142bafb7aaccd6635f738cda0599a838a8cb17783651ace99ef4783a8dcf0fd942e2980cab2f9f0e01deef9f9949f12ddfac744d1b98b547c5e529d1f99018c7629cbe83c7267b3e8a25c7c0dd9de6356810209d8fd8ded2c3849c0d5ee82fc90203010001a381c03081bd301d0603551d0e04160414a0110a233e96f107ece2af29ef82a57fd030a4b4300e0603551d0f0101ff040403020106300f0603551d130101ff040530030101ff307b0603551d1f047430723038a036a0348632687474703a2f2f63726c2e636f6d6f646f63612e636f6d2f414141436572746966696361746553657276696365732e63726c3036a034a0328630687474703a2f2f63726c2e636f6d6f646f2e6e65742f414141436572746966696361746553657276696365732e63726c300d06092a864886f70d010105050003820101000856fc02f09be8ffa4fad67bc64480ce4fc4c5f60058cca6b6bc1449680476e8e6ee5dec020f60d68d50184f264e01e3e6b0a5eebfbc745441bffdfc12b8c74f5af48960057f60b7054af3f6f1c2bfc4b97486b62d7d6bccd2f346dd2fc6e06ac3c334032c7d96dd5ac20ea70a99c1058bab0c2ff35c3acf6c37550987de53406c58effcb6ab656e04f61bdc3ce05a15c69ed9f15948302165036cece92173ec9b03a1e037ada015188ffaba02cea72ca910132cd4e50826ab229760f8905e74d4a29a53bdf2a968e0a26ec2d76cb1a30f9ebfeb68e756f2aef2e32b383a0981b56b85d7be2ded3f1ab7b263e2f5622c82d46a004150f139839f95e93696986e	WindowsUpdate.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	WindowsUpdate.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	WindowsUpdate.exe
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\SystemCertificates\CA\Certificates\D89E3BD43D5D909B47A18977AA9D5CE36CEE184C	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\SystemCertificates\CA\Certificates\D89E3BD43D5D909B47A18977AA9D5CE36CEE184C\Blob = 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	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	WindowsUpdate.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe

pid	Process
1884	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe
1884	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe
1884	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe
1884	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe
1884	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe
1884	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe
1884	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe
1884	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe
1884	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe
1884	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe
1884	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe
1884	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe
1884	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe
1884	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe
1884	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe
1884	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe
1884	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe
1884	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe
1884	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe
1884	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe
1884	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe
1884	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe
1884	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe
1884	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe
1884	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe
1884	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe
1884	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe
1884	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe
1884	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe
1884	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe
1884	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe
1884	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe
1884	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe
1884	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe
1884	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe
1884	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe
1884	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe
1884	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe
1884	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe
1884	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe
1884	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe
1884	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe
1884	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe
1884	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe
1884	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe
1884	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe
1884	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe
1884	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe
1884	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe
1884	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe
1884	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe
1884	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe
1884	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe
1884	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe
1884	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe
1884	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe
1884	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe
1884	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe
1884	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe
1884	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe
1884	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe
1884	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe
1884	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe
1884	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exepowershell.exeWindowsUpdate.exepowershell.exe

description	pid	Process
Token: SeDebugPrivilege	1884	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe
Token: SeDebugPrivilege	2912	powershell.exe
Token: SeDebugPrivilege	1744	WindowsUpdate.exe
Token: SeDebugPrivilege	2020	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exeWindowsUpdate.exe

description	pid	Process	procid_target
PID 1884 wrote to memory of 2912	1884	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe	31
PID 1884 wrote to memory of 2912	1884	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe	31
PID 1884 wrote to memory of 2912	1884	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe	31
PID 1884 wrote to memory of 1744	1884	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe	33
PID 1884 wrote to memory of 1744	1884	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe	33
PID 1884 wrote to memory of 1744	1884	b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe	33
PID 1744 wrote to memory of 2020	1744	WindowsUpdate.exe	34
PID 1744 wrote to memory of 2020	1744	WindowsUpdate.exe	34
PID 1744 wrote to memory of 2020	1744	WindowsUpdate.exe	34

C:\Users\Admin\AppData\Local\Temp\b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe
"C:\Users\Admin\AppData\Local\Temp\b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5N.exe"
1⤵
- Modifies Windows Defender Real-time Protection settings
- Windows security modification
- Adds Run key to start application
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1884
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" Get-MpPreference -verbose
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2912
- C:\Users\Admin\AppData\Local\Temp\Microsoft\MyClient\WindowsUpdate.exe
  "C:\Users\Admin\AppData\Local\Temp\Microsoft\MyClient\WindowsUpdate.exe"
  2⤵
  - Executes dropped EXE
  - Windows security modification
  - Modifies system certificate store
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1744
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "powershell" Get-MpPreference -verbose
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:2020

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Subvert Trust Controls

T1553

Install Root Certificate

T1553.004

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\CabB8F5.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Microsoft\MyClient\WindowsUpdate.exe

Filesize
80KB

MD5
9bd589ca18efe19dd1c0fd088118d090

SHA1
8c2b612bce8a42b6c61ea3c14aba501cd30f29cb

SHA256
b3bf3ec23cae1f14bb3b014a90f74259912cf550b012901b49c5440d9fc868d5

SHA512
af06fa63fe272c20f24ceeb894c2fda1f7abbba5fc16baaae0686b893aa8d3aea785a10c7fad7a0182e4569c83f2ef19450f9edca599269eef544b155f5255d8

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarB936.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

Filesize
7KB

MD5
a870e7967083cf071c2b5e61c6e14519

SHA1
cea733980880f042bd12d92f4fc338a039fcb92f

SHA256
6ba337185f19a370801b694f9da45009e3f29bc5bec532cee84133ae774b4622

SHA512
ade777dc55f1b612a8650062e689493ff3a0022fd28b8fb2bf3a6aa327d9236ba89ef06356733e1551c68b16c497aff28bfb094493e37f77f6a76cb24f6f2f1c

Download Submit
memory/1884-48-0x000007FEF52D0000-0x000007FEF5C6D000-memory.dmp

Filesize
9.6MB

Download
memory/1884-3-0x000007FEF52D0000-0x000007FEF5C6D000-memory.dmp

Filesize
9.6MB

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memory/1884-0-0x000007FEF558E000-0x000007FEF558F000-memory.dmp

Filesize
4KB

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memory/1884-47-0x000007FEF52D0000-0x000007FEF5C6D000-memory.dmp

Filesize
9.6MB

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memory/1884-2-0x000007FEF52D0000-0x000007FEF5C6D000-memory.dmp

Filesize
9.6MB

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memory/1884-42-0x000007FEF52D0000-0x000007FEF5C6D000-memory.dmp

Filesize
9.6MB

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memory/1884-1-0x000007FEF52D0000-0x000007FEF5C6D000-memory.dmp

Filesize
9.6MB

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memory/2020-61-0x0000000001FF0000-0x0000000001FF8000-memory.dmp

Filesize
32KB

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memory/2020-60-0x000000001B630000-0x000000001B912000-memory.dmp

Filesize
2.9MB

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memory/2912-54-0x0000000001EE0000-0x0000000001EE8000-memory.dmp

Filesize
32KB

Download
memory/2912-53-0x000000001B5B0000-0x000000001B892000-memory.dmp

Filesize
2.9MB

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