Analysis
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max time kernel
150s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
17-05-2024 23:50
Static task
static1
Behavioral task
behavioral1
Sample
9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe
Resource
win10v2004-20240508-en
General
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Target
9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe
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Size
4.1MB
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MD5
c44aabfdb66c67ec2164648c6e5e9c77
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SHA1
532fe73d02186037fe0092eb2330314f3569a8c2
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SHA256
9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb
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SHA512
9e5df8294811a42a41ce6d1e451ecc79a4f887727c5ef6680d089801831ccb014a084bda71873fbb5c3289311801806c83768231fab9b7fc03a274747eb04d68
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SSDEEP
98304:JqqJgO7W9SnF2QTYg7Hzo9TU2Df9e/pZ+O7BTR2yKU7:JqqJgO7W9SnJ3gf8jHXKw
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/3360-2-0x0000000004C90000-0x000000000557B000-memory.dmp family_glupteba behavioral1/memory/3360-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3360-92-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3032-131-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3360-134-0x0000000004C90000-0x000000000557B000-memory.dmp family_glupteba behavioral1/memory/3360-195-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4412-209-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4412-227-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4412-229-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4412-233-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4412-236-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4412-239-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4412-241-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4412-245-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4412-248-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4412-251-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4412-253-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4412-256-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4412-260-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 700 netsh.exe -
Executes dropped EXE 5 IoCs
pid Process 4412 csrss.exe 5072 injector.exe 2248 injector.exe 1892 windefender.exe 2428 windefender.exe -
resource yara_rule behavioral1/files/0x000800000002343a-220.dat upx behavioral1/memory/1892-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1892-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2428-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2428-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe File created C:\Windows\rss\csrss.exe 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3932 sc.exe -
pid Process 4488 powershell.exe 2368 powershell.exe 3740 powershell.exe 4060 powershell.exe 4796 powershell.exe 3996 powershell.exe 3312 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1096 schtasks.exe 1252 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-301 = "Romance Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-362 = "GTB Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-112 = "Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1912 = "Russia TZ 10 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-542 = "Myanmar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-42 = "E. South America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3740 powershell.exe 3740 powershell.exe 3360 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe 3360 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe 4060 powershell.exe 4060 powershell.exe 4060 powershell.exe 3032 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe 3032 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe 3032 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe 3032 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe 3032 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe 3032 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe 3032 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe 3032 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe 3032 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe 3032 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe 4796 powershell.exe 4796 powershell.exe 3996 powershell.exe 3996 powershell.exe 3312 powershell.exe 3312 powershell.exe 4488 powershell.exe 4488 powershell.exe 2368 powershell.exe 2368 powershell.exe 5072 injector.exe 5072 injector.exe 2248 injector.exe 2248 injector.exe 5072 injector.exe 5072 injector.exe 2248 injector.exe 2248 injector.exe 4412 csrss.exe 4412 csrss.exe 5072 injector.exe 5072 injector.exe 2248 injector.exe 2248 injector.exe 5072 injector.exe 5072 injector.exe 2248 injector.exe 2248 injector.exe 5072 injector.exe 5072 injector.exe 2248 injector.exe 2248 injector.exe 4412 csrss.exe 4412 csrss.exe 5072 injector.exe 5072 injector.exe 2248 injector.exe 2248 injector.exe 4412 csrss.exe 4412 csrss.exe 5072 injector.exe 5072 injector.exe 2248 injector.exe 2248 injector.exe 5072 injector.exe 5072 injector.exe 2248 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3740 powershell.exe Token: SeDebugPrivilege 3360 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe Token: SeImpersonatePrivilege 3360 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe Token: SeDebugPrivilege 4060 powershell.exe Token: SeDebugPrivilege 4796 powershell.exe Token: SeDebugPrivilege 3996 powershell.exe Token: SeDebugPrivilege 3312 powershell.exe Token: SeDebugPrivilege 4488 powershell.exe Token: SeDebugPrivilege 2368 powershell.exe Token: SeSystemEnvironmentPrivilege 4412 csrss.exe Token: SeSecurityPrivilege 3932 sc.exe Token: SeSecurityPrivilege 3932 sc.exe -
Suspicious use of WriteProcessMemory 38 IoCs
description pid Process procid_target PID 3360 wrote to memory of 3740 3360 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe 85 PID 3360 wrote to memory of 3740 3360 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe 85 PID 3360 wrote to memory of 3740 3360 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe 85 PID 3032 wrote to memory of 4060 3032 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe 97 PID 3032 wrote to memory of 4060 3032 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe 97 PID 3032 wrote to memory of 4060 3032 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe 97 PID 3032 wrote to memory of 5084 3032 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe 100 PID 3032 wrote to memory of 5084 3032 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe 100 PID 5084 wrote to memory of 700 5084 cmd.exe 102 PID 5084 wrote to memory of 700 5084 cmd.exe 102 PID 3032 wrote to memory of 4796 3032 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe 103 PID 3032 wrote to memory of 4796 3032 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe 103 PID 3032 wrote to memory of 4796 3032 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe 103 PID 3032 wrote to memory of 3996 3032 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe 106 PID 3032 wrote to memory of 3996 3032 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe 106 PID 3032 wrote to memory of 3996 3032 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe 106 PID 3032 wrote to memory of 4412 3032 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe 108 PID 3032 wrote to memory of 4412 3032 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe 108 PID 3032 wrote to memory of 4412 3032 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe 108 PID 4412 wrote to memory of 3312 4412 csrss.exe 109 PID 4412 wrote to memory of 3312 4412 csrss.exe 109 PID 4412 wrote to memory of 3312 4412 csrss.exe 109 PID 4412 wrote to memory of 4488 4412 csrss.exe 115 PID 4412 wrote to memory of 4488 4412 csrss.exe 115 PID 4412 wrote to memory of 4488 4412 csrss.exe 115 PID 4412 wrote to memory of 2368 4412 csrss.exe 117 PID 4412 wrote to memory of 2368 4412 csrss.exe 117 PID 4412 wrote to memory of 2368 4412 csrss.exe 117 PID 4412 wrote to memory of 5072 4412 csrss.exe 119 PID 4412 wrote to memory of 5072 4412 csrss.exe 119 PID 4412 wrote to memory of 2248 4412 csrss.exe 121 PID 4412 wrote to memory of 2248 4412 csrss.exe 121 PID 1892 wrote to memory of 1172 1892 windefender.exe 128 PID 1892 wrote to memory of 1172 1892 windefender.exe 128 PID 1892 wrote to memory of 1172 1892 windefender.exe 128 PID 1172 wrote to memory of 3932 1172 cmd.exe 129 PID 1172 wrote to memory of 3932 1172 cmd.exe 129 PID 1172 wrote to memory of 3932 1172 cmd.exe 129 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe"C:\Users\Admin\AppData\Local\Temp\9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3360 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3740
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C:\Users\Admin\AppData\Local\Temp\9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe"C:\Users\Admin\AppData\Local\Temp\9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe"2⤵
- Adds Run key to start application
- Checks for VirtualBox DLLs, possible anti-VM trick
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3032 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4060
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C:\Windows\system32\cmd.exeC:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"3⤵
- Suspicious use of WriteProcessMemory
PID:5084 -
C:\Windows\system32\netsh.exenetsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes4⤵
- Modifies Windows Firewall
PID:700
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4796
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3996
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- Manipulates WinMonFS driver.
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4412 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3312
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1096
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1396
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4488
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2368
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C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeC:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:5072
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C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeC:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:2248
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1252
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1892 -
C:\Windows\SysWOW64\cmd.execmd.exe /C sc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)5⤵
- Suspicious use of WriteProcessMemory
PID:1172 -
C:\Windows\SysWOW64\sc.exesc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)6⤵
- Launches sc.exe
- Suspicious use of AdjustPrivilegeToken
PID:3932
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2428
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53d1166485306e313df57b096b5e09666
SHA10355194cab4dfa268b5e33d41c46c06f9c7ad95c
SHA256036290f35b6c8984e88b0cbddad877582630a9278beabeae8a80c71a80dc8695
SHA512d9d851a4437263cc57972963362bba29ae6b36b892b2d8f53a3f570d0ebc832ae60c7e1fb785e2eb47d964c845d3c88b5a280f6cc1044c1a9a81a74e4a088939
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d359b47970e3e1bc5e4dde0e9335c23f
SHA1f79d9ade17f394a838a69f5834372030bfea82a1
SHA256b821d16ef3c042ab7cb7a79727303bb5148e83905e1caf1d7c09437706c35d83
SHA512b96d2de6195fa63eed96221a0e2553c6be97cfd368d7e26fa13a59f43be818b835052929a472293dc3d78c3cb4d9b1fdcc256908cfc96f0501c42196d1b0a4c5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53762301b2d57f6d8d727c0e4f32569f2
SHA18980893ca2919558a1501698094569ecf4919f4a
SHA256dfda5a9850ac99003e0f80a78131976faeaf7666120aa3ae30c649d178b8f6a8
SHA5128e1cc8ddeb43d007746fca17207354f3b64692a7e0a29b960a7ac28dafc6d5c326f6ad65e71b6d8b7ad9ee9569a8919436778d815d5ee2048454bf0ff13b05a2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5aead70b517553e0d9afa1e023d5f3207
SHA1c11db8a8064b123b711da878ff54fcf6eefeaa27
SHA25623ec3b585744b0477ce8ac5cdcedfd518a2ed3b3b80d58072ea8ee2f09ad5efd
SHA512dda5748c54df4870cd511d03398be6da4ec2624f9c77d8c8cbfbf30db75b7ac37403f092226e6e4991bfc1543504ce4e2b28ef31013073116330d58d3c230182
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD528d0a7edb3ac60587e1fe1ea35a1c331
SHA15b6a1e52b7fa3f477ea017b5169f22b58c7c1b8c
SHA256e46503f1c85a21b9da6c6e347aa2e7ac503844bf1161fb2ed1db1629e6c8d204
SHA512c21bba614ee5926a5d3bfda257130ad511cd4d7e71e6919481f5c0d7e018a55c5400163e7e4af4db1b34c9a75e1962ad981d3ef208e8efa6126ac9c68e68d585
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Filesize
4.1MB
MD5c44aabfdb66c67ec2164648c6e5e9c77
SHA1532fe73d02186037fe0092eb2330314f3569a8c2
SHA2569d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb
SHA5129e5df8294811a42a41ce6d1e451ecc79a4f887727c5ef6680d089801831ccb014a084bda71873fbb5c3289311801806c83768231fab9b7fc03a274747eb04d68
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec