Malware Analysis Report

2024-09-11 16:48

Sample ID 240615-3r7lbszdrb
Target 86354354ab1f40b0483999181cae6b5e5a23c71c686694862ebc8083ad871525
SHA256 86354354ab1f40b0483999181cae6b5e5a23c71c686694862ebc8083ad871525
Tags
stealc vidar discovery spyware stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

86354354ab1f40b0483999181cae6b5e5a23c71c686694862ebc8083ad871525

Threat Level: Known bad

The file 86354354ab1f40b0483999181cae6b5e5a23c71c686694862ebc8083ad871525 was found to be: Known bad.

Malicious Activity Summary

stealc vidar discovery spyware stealer

Stealc

Detect Vidar Stealer

Vidar

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

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

Detect binaries embedding considerable number of MFA browser extension IDs.

Detects Windows executables referencing non-Windows User-Agents

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

Detects executables containing potential Windows Defender anti-emulation checks

Downloads MZ/PE file

Executes dropped EXE

Checks computer location settings

Reads user/profile data of web browsers

Reads data files stored by FTP clients

Loads dropped DLL

Checks installed software on the system

Accesses cryptocurrency files/wallets, possible credential harvesting

Suspicious use of SetThreadContext

Unsigned PE

Enumerates physical storage devices

Modifies system certificate store

Checks processor information in registry

Delays execution with timeout.exe

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix V13

Initial Access
TA0001
Execution
TA0002
Persistence
TA0003
Privilege Escalation
TA0004
Defense Evasion
TA0005
Subvert Trust Controls
T1553
Install Root Certificate
T1553.004
Modify Registry
T1112
Credential Access
TA0006
Unsecured Credentials
T1552
Credentials In Files
T1552.001
Discovery
TA0007
Query Registry
T1012
System Information Discovery
T1082
Lateral Movement
TA0008
Collection
TA0009
Data from Local System
T1005
Exfiltration
TA0010
Command and Control
TA0011
Impact
TA0040
Resource Development
TA0042
Reconnaissance
TA0043

Analysis: static1

Detonation Overview

Reported

2024-06-15 23:45

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-15 23:45

Reported

2024-06-15 23:48

Platform

win7-20231129-en

Max time kernel

121s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\86354354ab1f40b0483999181cae6b5e5a23c71c686694862ebc8083ad871525.exe"

Signatures

Detect Vidar Stealer

stealer
Description Indicator Process Target
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Stealc

stealer stealc

Vidar

stealer vidar

Detect binaries embedding considerable number of MFA browser extension IDs.

Description Indicator Process Target
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Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.

Description Indicator Process Target
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Detects Windows executables referencing non-Windows User-Agents

Description Indicator Process Target
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Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

Description Indicator Process Target
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Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion

Description Indicator Process Target
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Detects executables containing potential Windows Defender anti-emulation checks

Description Indicator Process Target
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Downloads MZ/PE file

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat712.tmp N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\86354354ab1f40b0483999181cae6b5e5a23c71c686694862ebc8083ad871525.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\86354354ab1f40b0483999181cae6b5e5a23c71c686694862ebc8083ad871525.exe N/A

Reads data files stored by FTP clients

spyware stealer

Reads user/profile data of web browsers

spyware stealer

Accesses cryptocurrency files/wallets, possible credential harvesting

spyware

Checks installed software on the system

discovery

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2136 set thread context of 2988 N/A C:\Users\Admin\AppData\Local\Temp\86354354ab1f40b0483999181cae6b5e5a23c71c686694862ebc8083ad871525.exe C:\Users\Admin\AppData\Local\Temp\kat712.tmp

Enumerates physical storage devices

Checks processor information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\kat712.tmp N/A

Delays execution with timeout.exe

evasion
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\timeout.exe N/A

Modifies system certificate store

evasion spyware trojan
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25 C:\Users\Admin\AppData\Local\Temp\kat712.tmp N/A
Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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 C:\Users\Admin\AppData\Local\Temp\kat712.tmp N/A
Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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 C:\Users\Admin\AppData\Local\Temp\kat712.tmp N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat712.tmp N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat712.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2136 wrote to memory of 2988 N/A C:\Users\Admin\AppData\Local\Temp\86354354ab1f40b0483999181cae6b5e5a23c71c686694862ebc8083ad871525.exe C:\Users\Admin\AppData\Local\Temp\kat712.tmp
PID 2136 wrote to memory of 2988 N/A C:\Users\Admin\AppData\Local\Temp\86354354ab1f40b0483999181cae6b5e5a23c71c686694862ebc8083ad871525.exe C:\Users\Admin\AppData\Local\Temp\kat712.tmp
PID 2136 wrote to memory of 2988 N/A C:\Users\Admin\AppData\Local\Temp\86354354ab1f40b0483999181cae6b5e5a23c71c686694862ebc8083ad871525.exe C:\Users\Admin\AppData\Local\Temp\kat712.tmp
PID 2136 wrote to memory of 2988 N/A C:\Users\Admin\AppData\Local\Temp\86354354ab1f40b0483999181cae6b5e5a23c71c686694862ebc8083ad871525.exe C:\Users\Admin\AppData\Local\Temp\kat712.tmp
PID 2136 wrote to memory of 2988 N/A C:\Users\Admin\AppData\Local\Temp\86354354ab1f40b0483999181cae6b5e5a23c71c686694862ebc8083ad871525.exe C:\Users\Admin\AppData\Local\Temp\kat712.tmp
PID 2136 wrote to memory of 2988 N/A C:\Users\Admin\AppData\Local\Temp\86354354ab1f40b0483999181cae6b5e5a23c71c686694862ebc8083ad871525.exe C:\Users\Admin\AppData\Local\Temp\kat712.tmp
PID 2136 wrote to memory of 2988 N/A C:\Users\Admin\AppData\Local\Temp\86354354ab1f40b0483999181cae6b5e5a23c71c686694862ebc8083ad871525.exe C:\Users\Admin\AppData\Local\Temp\kat712.tmp
PID 2136 wrote to memory of 2988 N/A C:\Users\Admin\AppData\Local\Temp\86354354ab1f40b0483999181cae6b5e5a23c71c686694862ebc8083ad871525.exe C:\Users\Admin\AppData\Local\Temp\kat712.tmp
PID 2136 wrote to memory of 2988 N/A C:\Users\Admin\AppData\Local\Temp\86354354ab1f40b0483999181cae6b5e5a23c71c686694862ebc8083ad871525.exe C:\Users\Admin\AppData\Local\Temp\kat712.tmp
PID 2988 wrote to memory of 972 N/A C:\Users\Admin\AppData\Local\Temp\kat712.tmp C:\Windows\SysWOW64\cmd.exe
PID 2988 wrote to memory of 972 N/A C:\Users\Admin\AppData\Local\Temp\kat712.tmp C:\Windows\SysWOW64\cmd.exe
PID 2988 wrote to memory of 972 N/A C:\Users\Admin\AppData\Local\Temp\kat712.tmp C:\Windows\SysWOW64\cmd.exe
PID 2988 wrote to memory of 972 N/A C:\Users\Admin\AppData\Local\Temp\kat712.tmp C:\Windows\SysWOW64\cmd.exe
PID 972 wrote to memory of 2728 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 972 wrote to memory of 2728 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 972 wrote to memory of 2728 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 972 wrote to memory of 2728 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe

Processes

C:\Users\Admin\AppData\Local\Temp\86354354ab1f40b0483999181cae6b5e5a23c71c686694862ebc8083ad871525.exe

"C:\Users\Admin\AppData\Local\Temp\86354354ab1f40b0483999181cae6b5e5a23c71c686694862ebc8083ad871525.exe"

C:\Users\Admin\AppData\Local\Temp\kat712.tmp

C:\Users\Admin\AppData\Local\Temp\kat712.tmp

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\kat712.tmp" & rd /s /q "C:\ProgramData\DBAEGCGCGIEG" & exit

C:\Windows\SysWOW64\timeout.exe

timeout /t 10

Network

Country Destination Domain Proto
US 8.8.8.8:53 t.me udp
NL 149.154.167.99:443 t.me tcp
NL 149.154.167.99:443 t.me tcp
NL 149.154.167.99:443 t.me tcp
NL 149.154.167.99:443 t.me tcp
US 8.8.8.8:53 steamcommunity.com udp
BE 104.68.92.92:443 steamcommunity.com tcp
US 8.8.8.8:53 www.microsoft.com udp
FI 95.217.135.112:443 tcp
FI 95.217.135.112:443 95.217.135.112 tcp
FI 95.217.135.112:443 95.217.135.112 tcp
FI 95.217.135.112:443 95.217.135.112 tcp
FI 95.217.135.112:443 95.217.135.112 tcp
FI 95.217.135.112:443 95.217.135.112 tcp
FI 95.217.135.112:443 95.217.135.112 tcp
FI 95.217.135.112:443 95.217.135.112 tcp
FI 95.217.135.112:443 tcp
FI 95.217.135.112:443 tcp
FI 95.217.135.112:443 tcp
FI 95.217.135.112:443 tcp
FI 95.217.135.112:443 tcp
FI 95.217.135.112:443 tcp
FI 95.217.135.112:443 95.217.135.112 tcp
FI 95.217.135.112:443 95.217.135.112 tcp
FI 95.217.135.112:443 95.217.135.112 tcp
FI 95.217.135.112:443 tcp
FI 95.217.135.112:443 95.217.135.112 tcp
FI 95.217.135.112:443 95.217.135.112 tcp

Files

memory/2136-0-0x00000000003A0000-0x00000000003A1000-memory.dmp

memory/2136-1-0x0000000003340000-0x0000000003450000-memory.dmp

\Users\Admin\AppData\Local\Temp\kat712.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/2136-21-0x0000000000400000-0x0000000000629000-memory.dmp

memory/2988-23-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2988-18-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2988-17-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2988-13-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2988-15-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2988-12-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2988-9-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2988-22-0x0000000000400000-0x0000000000648000-memory.dmp

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

MD5 49aebf8cbd62d92ac215b2923fb1b9f5
SHA1 1723be06719828dda65ad804298d0431f6aff976
SHA256 b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512 bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

C:\Users\Admin\AppData\Local\Temp\TarE39.tmp

MD5 4ea6026cf93ec6338144661bf1202cd1
SHA1 a1dec9044f750ad887935a01430bf49322fbdcb7
SHA256 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
SHA512 6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357

MD5 a0b6a3ae9cc86a0b660825afcdafa57a
SHA1 405e7a5d5f9789ad60094fd3c06b7477157213b6
SHA256 e86fdd9215e1f18ad7c19d538505a5a8f089d3db6748f114392cf690e51bb615
SHA512 8ec2d10f4ff0140b162f6cdc2d3b7042e64faca53934894c23b349ad3e212c7b3f89cf273f4870d328227809f3e7184a53b49663b7dedf9b23bd7f3eca1295dd

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F0ACCF77CDCBFF39F6191887F6D2D357

MD5 a266bb7dcc38a562631361bbf61dd11b
SHA1 3b1efd3a66ea28b16697394703a72ca340a05bd5
SHA256 df545bf919a2439c36983b54cdfc903dfa4f37d3996d8d84b4c31eec6f3c163e
SHA512 0da8ef4f8f6ed3d16d2bc8eb816b9e6e1345dfe2d91160196c47e6149a1d6aedaafadcefd66acdea7f72dcf0832770192ceac15b0c559c4ccc2c0e5581d5aefc

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

MD5 73b0377e1a80f250f9369201ce05c99b
SHA1 3e5cfa851c8270e29878a697470b86138581cb67
SHA256 f98ce315c3981865d946b8e3b03427db57217677fa31f3eab4e45ee32976b520
SHA512 8aa3733829d523458be314d6718aed8f17c12dd52c62565526d4dccee282062835a643da6ff6457a15903192b7f09e3bef6a00210c6d1437945a773467de7754

memory/2988-192-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2988-217-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2988-243-0x00000000288F0000-0x0000000028B4F000-memory.dmp

memory/2988-254-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2988-279-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2988-507-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2988-508-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2988-533-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2988-582-0x0000000000400000-0x0000000000648000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-15 23:45

Reported

2024-06-15 23:48

Platform

win10v2004-20240508-en

Max time kernel

51s

Max time network

51s

Command Line

"C:\Users\Admin\AppData\Local\Temp\86354354ab1f40b0483999181cae6b5e5a23c71c686694862ebc8083ad871525.exe"

Signatures

Detect Vidar Stealer

stealer
Description Indicator Process Target
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Stealc

stealer stealc

Vidar

stealer vidar

Detects Windows executables referencing non-Windows User-Agents

Description Indicator Process Target
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Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion

Description Indicator Process Target
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Detects executables containing potential Windows Defender anti-emulation checks

Description Indicator Process Target
N/A N/A N/A N/A
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Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\kat566D.tmp N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat566D.tmp N/A

Reads data files stored by FTP clients

spyware stealer

Checks installed software on the system

discovery

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1892 set thread context of 2280 N/A C:\Users\Admin\AppData\Local\Temp\86354354ab1f40b0483999181cae6b5e5a23c71c686694862ebc8083ad871525.exe C:\Users\Admin\AppData\Local\Temp\kat566D.tmp

Enumerates physical storage devices

Checks processor information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\kat566D.tmp N/A

Delays execution with timeout.exe

evasion
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\timeout.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat566D.tmp N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat566D.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1892 wrote to memory of 2280 N/A C:\Users\Admin\AppData\Local\Temp\86354354ab1f40b0483999181cae6b5e5a23c71c686694862ebc8083ad871525.exe C:\Users\Admin\AppData\Local\Temp\kat566D.tmp
PID 1892 wrote to memory of 2280 N/A C:\Users\Admin\AppData\Local\Temp\86354354ab1f40b0483999181cae6b5e5a23c71c686694862ebc8083ad871525.exe C:\Users\Admin\AppData\Local\Temp\kat566D.tmp
PID 1892 wrote to memory of 2280 N/A C:\Users\Admin\AppData\Local\Temp\86354354ab1f40b0483999181cae6b5e5a23c71c686694862ebc8083ad871525.exe C:\Users\Admin\AppData\Local\Temp\kat566D.tmp
PID 1892 wrote to memory of 2280 N/A C:\Users\Admin\AppData\Local\Temp\86354354ab1f40b0483999181cae6b5e5a23c71c686694862ebc8083ad871525.exe C:\Users\Admin\AppData\Local\Temp\kat566D.tmp
PID 1892 wrote to memory of 2280 N/A C:\Users\Admin\AppData\Local\Temp\86354354ab1f40b0483999181cae6b5e5a23c71c686694862ebc8083ad871525.exe C:\Users\Admin\AppData\Local\Temp\kat566D.tmp
PID 1892 wrote to memory of 2280 N/A C:\Users\Admin\AppData\Local\Temp\86354354ab1f40b0483999181cae6b5e5a23c71c686694862ebc8083ad871525.exe C:\Users\Admin\AppData\Local\Temp\kat566D.tmp
PID 1892 wrote to memory of 2280 N/A C:\Users\Admin\AppData\Local\Temp\86354354ab1f40b0483999181cae6b5e5a23c71c686694862ebc8083ad871525.exe C:\Users\Admin\AppData\Local\Temp\kat566D.tmp
PID 1892 wrote to memory of 2280 N/A C:\Users\Admin\AppData\Local\Temp\86354354ab1f40b0483999181cae6b5e5a23c71c686694862ebc8083ad871525.exe C:\Users\Admin\AppData\Local\Temp\kat566D.tmp
PID 2280 wrote to memory of 2052 N/A C:\Users\Admin\AppData\Local\Temp\kat566D.tmp C:\Windows\SysWOW64\cmd.exe
PID 2280 wrote to memory of 2052 N/A C:\Users\Admin\AppData\Local\Temp\kat566D.tmp C:\Windows\SysWOW64\cmd.exe
PID 2280 wrote to memory of 2052 N/A C:\Users\Admin\AppData\Local\Temp\kat566D.tmp C:\Windows\SysWOW64\cmd.exe
PID 2052 wrote to memory of 3592 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 2052 wrote to memory of 3592 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 2052 wrote to memory of 3592 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe

Processes

C:\Users\Admin\AppData\Local\Temp\86354354ab1f40b0483999181cae6b5e5a23c71c686694862ebc8083ad871525.exe

"C:\Users\Admin\AppData\Local\Temp\86354354ab1f40b0483999181cae6b5e5a23c71c686694862ebc8083ad871525.exe"

C:\Users\Admin\AppData\Local\Temp\kat566D.tmp

C:\Users\Admin\AppData\Local\Temp\kat566D.tmp

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\kat566D.tmp" & rd /s /q "C:\ProgramData\DHIJEHJDHJKE" & exit

C:\Windows\SysWOW64\timeout.exe

timeout /t 10

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 t.me udp
US 8.8.8.8:53 steamcommunity.com udp

Files

memory/1892-0-0x0000000002390000-0x0000000002391000-memory.dmp

memory/1892-1-0x0000000004060000-0x0000000004170000-memory.dmp

memory/2280-4-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2280-8-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2280-9-0x0000000000400000-0x0000000000648000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat566D.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/1892-10-0x0000000000400000-0x0000000000629000-memory.dmp

memory/2280-11-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2280-12-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2280-14-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2280-13-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2280-17-0x0000000000400000-0x0000000000648000-memory.dmp