stealc | 760132f8e1db40b450e994fd7c4815632154b64efbce5f5d2630f8e132c01b79

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
24-05-2024 23:26

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General

Target

760132f8e1db40b450e994fd7c4815632154b64efbce5f5d2630f8e132c01b79.exe
Size

2.4MB
MD5

303835ac2f30cfb546615279301b8747
SHA1

af5be0dc5d93d0fb6280af079da93367b40ae716
SHA256

760132f8e1db40b450e994fd7c4815632154b64efbce5f5d2630f8e132c01b79
SHA512

c41b582cde40e9352a9906d021ca65a9fc6a2de212a3db82e2b032ae27b217a6fb5caafbbe611fb7485aae674f591744426728436e4e789851b3bed530601f3a
SSDEEP

49152:jxIRJF1HL+VdX68kUOJtTF+TxMoxc1TU+j+dAzGwlrh:jEJF16dX68dOtIuoITsdZ

Score

10^/10

stealc vidar discovery spyware stealer

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

https://steamcommunity.com/profiles/76561199689717899

https://t.me/copterwin

Attributes

user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0

Signatures

Detect Vidar Stealer 14 IoCs

stealer

Processes:

resource	yara_rule
behavioral1/memory/1580-1-0x0000000002250000-0x0000000002399000-memory.dmp	family_vidar_v7
behavioral1/memory/2792-15-0x0000000000400000-0x0000000000646000-memory.dmp	family_vidar_v7
behavioral1/memory/2792-24-0x0000000000400000-0x0000000000646000-memory.dmp	family_vidar_v7
behavioral1/memory/2792-23-0x0000000000400000-0x0000000000646000-memory.dmp	family_vidar_v7
behavioral1/memory/2792-18-0x0000000000400000-0x0000000000646000-memory.dmp	family_vidar_v7
behavioral1/memory/2792-19-0x0000000000400000-0x0000000000646000-memory.dmp	family_vidar_v7
behavioral1/memory/2792-168-0x0000000000400000-0x0000000000646000-memory.dmp	family_vidar_v7
behavioral1/memory/2792-187-0x0000000000400000-0x0000000000646000-memory.dmp	family_vidar_v7
behavioral1/memory/2792-222-0x0000000000400000-0x0000000000646000-memory.dmp	family_vidar_v7
behavioral1/memory/2792-241-0x0000000000400000-0x0000000000646000-memory.dmp	family_vidar_v7
behavioral1/memory/2792-435-0x0000000000400000-0x0000000000646000-memory.dmp	family_vidar_v7
behavioral1/memory/2792-454-0x0000000000400000-0x0000000000646000-memory.dmp	family_vidar_v7
behavioral1/memory/2792-473-0x0000000000400000-0x0000000000646000-memory.dmp	family_vidar_v7
behavioral1/memory/2792-495-0x0000000000400000-0x0000000000646000-memory.dmp	family_vidar_v7

Stealc
Stealc is an infostealer written in C++.
stealer stealc
Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar

Detect binaries embedding considerable number of MFA browser extension IDs. 8 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2792-168-0x0000000000400000-0x0000000000646000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs
behavioral1/memory/2792-187-0x0000000000400000-0x0000000000646000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs
behavioral1/memory/2792-222-0x0000000000400000-0x0000000000646000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs
behavioral1/memory/2792-241-0x0000000000400000-0x0000000000646000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs
behavioral1/memory/2792-435-0x0000000000400000-0x0000000000646000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs
behavioral1/memory/2792-454-0x0000000000400000-0x0000000000646000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs
behavioral1/memory/2792-473-0x0000000000400000-0x0000000000646000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs
behavioral1/memory/2792-495-0x0000000000400000-0x0000000000646000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs

Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs. 8 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2792-168-0x0000000000400000-0x0000000000646000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs
behavioral1/memory/2792-187-0x0000000000400000-0x0000000000646000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs
behavioral1/memory/2792-222-0x0000000000400000-0x0000000000646000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs
behavioral1/memory/2792-241-0x0000000000400000-0x0000000000646000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs
behavioral1/memory/2792-435-0x0000000000400000-0x0000000000646000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs
behavioral1/memory/2792-454-0x0000000000400000-0x0000000000646000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs
behavioral1/memory/2792-473-0x0000000000400000-0x0000000000646000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs
behavioral1/memory/2792-495-0x0000000000400000-0x0000000000646000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs

Detects Windows executables referencing non-Windows User-Agents 13 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2792-15-0x0000000000400000-0x0000000000646000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral1/memory/2792-24-0x0000000000400000-0x0000000000646000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral1/memory/2792-23-0x0000000000400000-0x0000000000646000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral1/memory/2792-18-0x0000000000400000-0x0000000000646000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral1/memory/2792-19-0x0000000000400000-0x0000000000646000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral1/memory/2792-168-0x0000000000400000-0x0000000000646000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral1/memory/2792-187-0x0000000000400000-0x0000000000646000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral1/memory/2792-222-0x0000000000400000-0x0000000000646000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral1/memory/2792-241-0x0000000000400000-0x0000000000646000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral1/memory/2792-435-0x0000000000400000-0x0000000000646000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral1/memory/2792-454-0x0000000000400000-0x0000000000646000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral1/memory/2792-473-0x0000000000400000-0x0000000000646000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral1/memory/2792-495-0x0000000000400000-0x0000000000646000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 8 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2792-168-0x0000000000400000-0x0000000000646000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2792-187-0x0000000000400000-0x0000000000646000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2792-222-0x0000000000400000-0x0000000000646000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2792-241-0x0000000000400000-0x0000000000646000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2792-435-0x0000000000400000-0x0000000000646000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2792-454-0x0000000000400000-0x0000000000646000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2792-473-0x0000000000400000-0x0000000000646000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2792-495-0x0000000000400000-0x0000000000646000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 13 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2792-15-0x0000000000400000-0x0000000000646000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
behavioral1/memory/2792-24-0x0000000000400000-0x0000000000646000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
behavioral1/memory/2792-23-0x0000000000400000-0x0000000000646000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
behavioral1/memory/2792-18-0x0000000000400000-0x0000000000646000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
behavioral1/memory/2792-19-0x0000000000400000-0x0000000000646000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
behavioral1/memory/2792-168-0x0000000000400000-0x0000000000646000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
behavioral1/memory/2792-187-0x0000000000400000-0x0000000000646000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
behavioral1/memory/2792-222-0x0000000000400000-0x0000000000646000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
behavioral1/memory/2792-241-0x0000000000400000-0x0000000000646000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
behavioral1/memory/2792-435-0x0000000000400000-0x0000000000646000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
behavioral1/memory/2792-454-0x0000000000400000-0x0000000000646000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
behavioral1/memory/2792-473-0x0000000000400000-0x0000000000646000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
behavioral1/memory/2792-495-0x0000000000400000-0x0000000000646000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL

Detects executables containing potential Windows Defender anti-emulation checks 13 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2792-15-0x0000000000400000-0x0000000000646000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation
behavioral1/memory/2792-24-0x0000000000400000-0x0000000000646000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation
behavioral1/memory/2792-23-0x0000000000400000-0x0000000000646000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation
behavioral1/memory/2792-18-0x0000000000400000-0x0000000000646000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation
behavioral1/memory/2792-19-0x0000000000400000-0x0000000000646000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation
behavioral1/memory/2792-168-0x0000000000400000-0x0000000000646000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation
behavioral1/memory/2792-187-0x0000000000400000-0x0000000000646000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation
behavioral1/memory/2792-222-0x0000000000400000-0x0000000000646000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation
behavioral1/memory/2792-241-0x0000000000400000-0x0000000000646000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation
behavioral1/memory/2792-435-0x0000000000400000-0x0000000000646000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation
behavioral1/memory/2792-454-0x0000000000400000-0x0000000000646000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation
behavioral1/memory/2792-473-0x0000000000400000-0x0000000000646000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation
behavioral1/memory/2792-495-0x0000000000400000-0x0000000000646000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation

Downloads MZ/PE file
Executes dropped EXE 1 IoCs

Processes:

kat15F1.tmp

pid process

2792 kat15F1.tmp

Loads dropped DLL 2 IoCs

Processes:

760132f8e1db40b450e994fd7c4815632154b64efbce5f5d2630f8e132c01b79.exe

pid	process
1580	760132f8e1db40b450e994fd7c4815632154b64efbce5f5d2630f8e132c01b79.exe
1580	760132f8e1db40b450e994fd7c4815632154b64efbce5f5d2630f8e132c01b79.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
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 stealer

Data from Local System
T1005

Credentials In Files
T1552.001
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
T1552.001
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001
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

Suspicious use of SetThreadContext 1 IoCs

Processes:

760132f8e1db40b450e994fd7c4815632154b64efbce5f5d2630f8e132c01b79.exe

description	pid	process	target process
PID 1580 set thread context of 2792	1580	760132f8e1db40b450e994fd7c4815632154b64efbce5f5d2630f8e132c01b79.exe	kat15F1.tmp

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.

Query Registry
T1012

System Information Discovery
T1082

Processes:

kat15F1.tmp

description ioc process

Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat15F1.tmp
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

984 timeout.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	kat15F1.tmp

pid	process
984	timeout.exe

Modifies system certificate store 2 TTPs 3 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

Processes:

kat15F1.tmp

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25	kat15F1.tmp
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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	kat15F1.tmp
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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	kat15F1.tmp

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

kat15F1.tmp

pid	process
2792	kat15F1.tmp
2792	kat15F1.tmp
2792	kat15F1.tmp
2792	kat15F1.tmp
2792	kat15F1.tmp
2792	kat15F1.tmp
2792	kat15F1.tmp
2792	kat15F1.tmp
2792	kat15F1.tmp
2792	kat15F1.tmp
2792	kat15F1.tmp
2792	kat15F1.tmp

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

760132f8e1db40b450e994fd7c4815632154b64efbce5f5d2630f8e132c01b79.exekat15F1.tmpcmd.exe

description	pid	process	target process
PID 1580 wrote to memory of 2792	1580	760132f8e1db40b450e994fd7c4815632154b64efbce5f5d2630f8e132c01b79.exe	kat15F1.tmp
PID 1580 wrote to memory of 2792	1580	760132f8e1db40b450e994fd7c4815632154b64efbce5f5d2630f8e132c01b79.exe	kat15F1.tmp
PID 1580 wrote to memory of 2792	1580	760132f8e1db40b450e994fd7c4815632154b64efbce5f5d2630f8e132c01b79.exe	kat15F1.tmp
PID 1580 wrote to memory of 2792	1580	760132f8e1db40b450e994fd7c4815632154b64efbce5f5d2630f8e132c01b79.exe	kat15F1.tmp
PID 1580 wrote to memory of 2792	1580	760132f8e1db40b450e994fd7c4815632154b64efbce5f5d2630f8e132c01b79.exe	kat15F1.tmp
PID 1580 wrote to memory of 2792	1580	760132f8e1db40b450e994fd7c4815632154b64efbce5f5d2630f8e132c01b79.exe	kat15F1.tmp
PID 1580 wrote to memory of 2792	1580	760132f8e1db40b450e994fd7c4815632154b64efbce5f5d2630f8e132c01b79.exe	kat15F1.tmp
PID 1580 wrote to memory of 2792	1580	760132f8e1db40b450e994fd7c4815632154b64efbce5f5d2630f8e132c01b79.exe	kat15F1.tmp
PID 1580 wrote to memory of 2792	1580	760132f8e1db40b450e994fd7c4815632154b64efbce5f5d2630f8e132c01b79.exe	kat15F1.tmp
PID 2792 wrote to memory of 2544	2792	kat15F1.tmp	cmd.exe
PID 2792 wrote to memory of 2544	2792	kat15F1.tmp	cmd.exe
PID 2792 wrote to memory of 2544	2792	kat15F1.tmp	cmd.exe
PID 2792 wrote to memory of 2544	2792	kat15F1.tmp	cmd.exe
PID 2792 wrote to memory of 2288	2792	kat15F1.tmp	cmd.exe
PID 2792 wrote to memory of 2288	2792	kat15F1.tmp	cmd.exe
PID 2792 wrote to memory of 2288	2792	kat15F1.tmp	cmd.exe
PID 2792 wrote to memory of 2288	2792	kat15F1.tmp	cmd.exe
PID 2288 wrote to memory of 984	2288	cmd.exe	timeout.exe
PID 2288 wrote to memory of 984	2288	cmd.exe	timeout.exe
PID 2288 wrote to memory of 984	2288	cmd.exe	timeout.exe
PID 2288 wrote to memory of 984	2288	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\760132f8e1db40b450e994fd7c4815632154b64efbce5f5d2630f8e132c01b79.exe
"C:\Users\Admin\AppData\Local\Temp\760132f8e1db40b450e994fd7c4815632154b64efbce5f5d2630f8e132c01b79.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1580

C:\Users\Admin\AppData\Local\Temp\kat15F1.tmp
C:\Users\Admin\AppData\Local\Temp\kat15F1.tmp
2⤵
- Executes dropped EXE
- Checks processor information in registry
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2792

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c start "" "C:\ProgramData\KFHJJDHJEG.exe"
3⤵
PID:2544

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\kat15F1.tmp" & rd /s /q "C:\ProgramData\GDBFHDHJKKJD" & exit
3⤵
- Suspicious use of WriteProcessMemory
PID:2288

C:\Windows\SysWOW64\timeout.exe
timeout /t 10
4⤵
- Delays execution with timeout.exe
PID:984

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Subvert Trust Controls

T1553

Install Root Certificate

T1553.004

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Cab1B11.tmp
Filesize
68KB

MD5
29f65ba8e88c063813cc50a4ea544e93

SHA1
05a7040d5c127e68c25d81cc51271ffb8bef3568

SHA256
1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

SHA512
e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar1B33.tmp
Filesize
177KB

MD5
435a9ac180383f9fa094131b173a2f7b

SHA1
76944ea657a9db94f9a4bef38f88c46ed4166983

SHA256
67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

SHA512
1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

Download Submit
\Users\Admin\AppData\Local\Temp\kat15F1.tmp
Filesize
861KB

MD5
66064dbdb70a5eb15ebf3bf65aba254b

SHA1
0284fd320f99f62aca800fb1251eff4c31ec4ed7

SHA256
6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795

SHA512
b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

Download Submit
memory/1580-21-0x0000000000400000-0x0000000000678000-memory.dmp

Filesize
2.5MB

Download
memory/1580-1-0x0000000002250000-0x0000000002399000-memory.dmp

Filesize
1.3MB

Download
memory/1580-0-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2792-19-0x0000000000400000-0x0000000000646000-memory.dmp

Filesize
2.3MB

Download
memory/2792-187-0x0000000000400000-0x0000000000646000-memory.dmp

Filesize
2.3MB

Download
memory/2792-23-0x0000000000400000-0x0000000000646000-memory.dmp

Filesize
2.3MB

Download
memory/2792-18-0x0000000000400000-0x0000000000646000-memory.dmp

Filesize
2.3MB

Download
memory/2792-15-0x0000000000400000-0x0000000000646000-memory.dmp

Filesize
2.3MB

Download
memory/2792-9-0x0000000000400000-0x0000000000646000-memory.dmp

Filesize
2.3MB

Download
memory/2792-13-0x0000000000400000-0x0000000000646000-memory.dmp

Filesize
2.3MB

Download
memory/2792-11-0x0000000000400000-0x0000000000646000-memory.dmp

Filesize
2.3MB

Download
memory/2792-168-0x0000000000400000-0x0000000000646000-memory.dmp

Filesize
2.3MB

Download
memory/2792-24-0x0000000000400000-0x0000000000646000-memory.dmp

Filesize
2.3MB

Download
memory/2792-207-0x0000000028680000-0x00000000288DF000-memory.dmp

Filesize
2.4MB

Download
memory/2792-222-0x0000000000400000-0x0000000000646000-memory.dmp

Filesize
2.3MB

Download
memory/2792-241-0x0000000000400000-0x0000000000646000-memory.dmp

Filesize
2.3MB

Download
memory/2792-435-0x0000000000400000-0x0000000000646000-memory.dmp

Filesize
2.3MB

Download
memory/2792-454-0x0000000000400000-0x0000000000646000-memory.dmp

Filesize
2.3MB

Download
memory/2792-473-0x0000000000400000-0x0000000000646000-memory.dmp

Filesize
2.3MB

Download
memory/2792-495-0x0000000000400000-0x0000000000646000-memory.dmp

Filesize
2.3MB

Download