Analysis
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max time kernel
149s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
17-05-2024 23:07
Static task
static1
Behavioral task
behavioral1
Sample
5d1a3240fe06eced09f713043805545fe063ecd5333355630253f07925edd0f1.exe
Resource
win10v2004-20240426-en
General
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Target
5d1a3240fe06eced09f713043805545fe063ecd5333355630253f07925edd0f1.exe
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Size
4.1MB
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MD5
a105392d32bfd7dae76a497e10c5ada5
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SHA1
47bbb13eefac2a35e7bfea20eb613aae37a49046
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SHA256
5d1a3240fe06eced09f713043805545fe063ecd5333355630253f07925edd0f1
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SHA512
3760476519ce1e23cac9d97e863b9da95fcfd166c343f28007036a958bf8d332b989bd9626ef1da46d0586acc1f0cd6504cfffc87abea188854df39c7d56f8e0
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SSDEEP
98304:cmJz+EAFuKpzA6GjnwtAd4VH0G8BBOAZM6KCBe84j:Jh+Eouw86GbIivMwMVCB8j
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/4720-2-0x0000000004CC0000-0x00000000055AB000-memory.dmp family_glupteba behavioral2/memory/4720-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4720-52-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4720-54-0x0000000004CC0000-0x00000000055AB000-memory.dmp family_glupteba behavioral2/memory/4720-51-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2308-125-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4564-204-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4564-214-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4564-216-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4564-218-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4564-220-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4564-222-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4564-224-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4564-226-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4564-228-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4564-230-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4564-232-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4564-234-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4564-236-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2948 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4564 csrss.exe 4060 injector.exe 816 windefender.exe 3312 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa03-207.dat upx behavioral2/memory/816-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3312-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/816-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3312-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3312-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2551177587-3778486488-1329702901-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 5d1a3240fe06eced09f713043805545fe063ecd5333355630253f07925edd0f1.exe Set value (str) \REGISTRY\USER\S-1-5-21-2551177587-3778486488-1329702901-1000\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 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 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 -
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 5d1a3240fe06eced09f713043805545fe063ecd5333355630253f07925edd0f1.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 5d1a3240fe06eced09f713043805545fe063ecd5333355630253f07925edd0f1.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 5d1a3240fe06eced09f713043805545fe063ecd5333355630253f07925edd0f1.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 408 sc.exe -
pid Process 2372 powershell.exe 1948 powershell.exe 1816 powershell.exe 4984 powershell.exe 1096 powershell.exe 1096 powershell.exe 3040 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 896 schtasks.exe 1920 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\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" 5d1a3240fe06eced09f713043805545fe063ecd5333355630253f07925edd0f1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" 5d1a3240fe06eced09f713043805545fe063ecd5333355630253f07925edd0f1.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" 5d1a3240fe06eced09f713043805545fe063ecd5333355630253f07925edd0f1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 5d1a3240fe06eced09f713043805545fe063ecd5333355630253f07925edd0f1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 5d1a3240fe06eced09f713043805545fe063ecd5333355630253f07925edd0f1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 5d1a3240fe06eced09f713043805545fe063ecd5333355630253f07925edd0f1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" 5d1a3240fe06eced09f713043805545fe063ecd5333355630253f07925edd0f1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" 5d1a3240fe06eced09f713043805545fe063ecd5333355630253f07925edd0f1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 5d1a3240fe06eced09f713043805545fe063ecd5333355630253f07925edd0f1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" 5d1a3240fe06eced09f713043805545fe063ecd5333355630253f07925edd0f1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.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,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" 5d1a3240fe06eced09f713043805545fe063ecd5333355630253f07925edd0f1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 5d1a3240fe06eced09f713043805545fe063ecd5333355630253f07925edd0f1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates 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 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,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3052 = "Qyzylorda Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-571 = "China Daylight 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\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" 5d1a3240fe06eced09f713043805545fe063ecd5333355630253f07925edd0f1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-335 = "Jordan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" 5d1a3240fe06eced09f713043805545fe063ecd5333355630253f07925edd0f1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 5d1a3240fe06eced09f713043805545fe063ecd5333355630253f07925edd0f1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" 5d1a3240fe06eced09f713043805545fe063ecd5333355630253f07925edd0f1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 5d1a3240fe06eced09f713043805545fe063ecd5333355630253f07925edd0f1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 5d1a3240fe06eced09f713043805545fe063ecd5333355630253f07925edd0f1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" 5d1a3240fe06eced09f713043805545fe063ecd5333355630253f07925edd0f1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs 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\@tzres.dll,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" 5d1a3240fe06eced09f713043805545fe063ecd5333355630253f07925edd0f1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" 5d1a3240fe06eced09f713043805545fe063ecd5333355630253f07925edd0f1.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1096 powershell.exe 1096 powershell.exe 4720 5d1a3240fe06eced09f713043805545fe063ecd5333355630253f07925edd0f1.exe 4720 5d1a3240fe06eced09f713043805545fe063ecd5333355630253f07925edd0f1.exe 3040 powershell.exe 3040 powershell.exe 2308 5d1a3240fe06eced09f713043805545fe063ecd5333355630253f07925edd0f1.exe 2308 5d1a3240fe06eced09f713043805545fe063ecd5333355630253f07925edd0f1.exe 2308 5d1a3240fe06eced09f713043805545fe063ecd5333355630253f07925edd0f1.exe 2308 5d1a3240fe06eced09f713043805545fe063ecd5333355630253f07925edd0f1.exe 2308 5d1a3240fe06eced09f713043805545fe063ecd5333355630253f07925edd0f1.exe 2308 5d1a3240fe06eced09f713043805545fe063ecd5333355630253f07925edd0f1.exe 2308 5d1a3240fe06eced09f713043805545fe063ecd5333355630253f07925edd0f1.exe 2308 5d1a3240fe06eced09f713043805545fe063ecd5333355630253f07925edd0f1.exe 2308 5d1a3240fe06eced09f713043805545fe063ecd5333355630253f07925edd0f1.exe 2308 5d1a3240fe06eced09f713043805545fe063ecd5333355630253f07925edd0f1.exe 2372 powershell.exe 2372 powershell.exe 1948 powershell.exe 1948 powershell.exe 1816 powershell.exe 1816 powershell.exe 4984 powershell.exe 4984 powershell.exe 1096 powershell.exe 1096 powershell.exe 4060 injector.exe 4060 injector.exe 4060 injector.exe 4060 injector.exe 4060 injector.exe 4060 injector.exe 4564 csrss.exe 4564 csrss.exe 4060 injector.exe 4060 injector.exe 4060 injector.exe 4060 injector.exe 4060 injector.exe 4060 injector.exe 4564 csrss.exe 4564 csrss.exe 4060 injector.exe 4060 injector.exe 4060 injector.exe 4060 injector.exe 4564 csrss.exe 4564 csrss.exe 4060 injector.exe 4060 injector.exe 4060 injector.exe 4060 injector.exe 4060 injector.exe 4060 injector.exe 4060 injector.exe 4060 injector.exe 4060 injector.exe 4060 injector.exe 4060 injector.exe 4060 injector.exe 4060 injector.exe 4060 injector.exe 4060 injector.exe 4060 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1096 powershell.exe Token: SeDebugPrivilege 4720 5d1a3240fe06eced09f713043805545fe063ecd5333355630253f07925edd0f1.exe Token: SeImpersonatePrivilege 4720 5d1a3240fe06eced09f713043805545fe063ecd5333355630253f07925edd0f1.exe Token: SeDebugPrivilege 3040 powershell.exe Token: SeDebugPrivilege 2372 powershell.exe Token: SeDebugPrivilege 1948 powershell.exe Token: SeDebugPrivilege 1816 powershell.exe Token: SeDebugPrivilege 4984 powershell.exe Token: SeDebugPrivilege 1096 powershell.exe Token: SeSystemEnvironmentPrivilege 4564 csrss.exe Token: SeSecurityPrivilege 408 sc.exe Token: SeSecurityPrivilege 408 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4720 wrote to memory of 1096 4720 5d1a3240fe06eced09f713043805545fe063ecd5333355630253f07925edd0f1.exe 105 PID 4720 wrote to memory of 1096 4720 5d1a3240fe06eced09f713043805545fe063ecd5333355630253f07925edd0f1.exe 105 PID 4720 wrote to memory of 1096 4720 5d1a3240fe06eced09f713043805545fe063ecd5333355630253f07925edd0f1.exe 105 PID 2308 wrote to memory of 3040 2308 5d1a3240fe06eced09f713043805545fe063ecd5333355630253f07925edd0f1.exe 87 PID 2308 wrote to memory of 3040 2308 5d1a3240fe06eced09f713043805545fe063ecd5333355630253f07925edd0f1.exe 87 PID 2308 wrote to memory of 3040 2308 5d1a3240fe06eced09f713043805545fe063ecd5333355630253f07925edd0f1.exe 87 PID 2308 wrote to memory of 4916 2308 5d1a3240fe06eced09f713043805545fe063ecd5333355630253f07925edd0f1.exe 89 PID 2308 wrote to memory of 4916 2308 5d1a3240fe06eced09f713043805545fe063ecd5333355630253f07925edd0f1.exe 89 PID 4916 wrote to memory of 2948 4916 cmd.exe 91 PID 4916 wrote to memory of 2948 4916 cmd.exe 91 PID 2308 wrote to memory of 2372 2308 5d1a3240fe06eced09f713043805545fe063ecd5333355630253f07925edd0f1.exe 92 PID 2308 wrote to memory of 2372 2308 5d1a3240fe06eced09f713043805545fe063ecd5333355630253f07925edd0f1.exe 92 PID 2308 wrote to memory of 2372 2308 5d1a3240fe06eced09f713043805545fe063ecd5333355630253f07925edd0f1.exe 92 PID 2308 wrote to memory of 1948 2308 5d1a3240fe06eced09f713043805545fe063ecd5333355630253f07925edd0f1.exe 94 PID 2308 wrote to memory of 1948 2308 5d1a3240fe06eced09f713043805545fe063ecd5333355630253f07925edd0f1.exe 94 PID 2308 wrote to memory of 1948 2308 5d1a3240fe06eced09f713043805545fe063ecd5333355630253f07925edd0f1.exe 94 PID 2308 wrote to memory of 4564 2308 5d1a3240fe06eced09f713043805545fe063ecd5333355630253f07925edd0f1.exe 96 PID 2308 wrote to memory of 4564 2308 5d1a3240fe06eced09f713043805545fe063ecd5333355630253f07925edd0f1.exe 96 PID 2308 wrote to memory of 4564 2308 5d1a3240fe06eced09f713043805545fe063ecd5333355630253f07925edd0f1.exe 96 PID 4564 wrote to memory of 1816 4564 csrss.exe 97 PID 4564 wrote to memory of 1816 4564 csrss.exe 97 PID 4564 wrote to memory of 1816 4564 csrss.exe 97 PID 4564 wrote to memory of 4984 4564 csrss.exe 103 PID 4564 wrote to memory of 4984 4564 csrss.exe 103 PID 4564 wrote to memory of 4984 4564 csrss.exe 103 PID 4564 wrote to memory of 1096 4564 csrss.exe 105 PID 4564 wrote to memory of 1096 4564 csrss.exe 105 PID 4564 wrote to memory of 1096 4564 csrss.exe 105 PID 4564 wrote to memory of 4060 4564 csrss.exe 107 PID 4564 wrote to memory of 4060 4564 csrss.exe 107 PID 816 wrote to memory of 4492 816 windefender.exe 113 PID 816 wrote to memory of 4492 816 windefender.exe 113 PID 816 wrote to memory of 4492 816 windefender.exe 113 PID 4492 wrote to memory of 408 4492 cmd.exe 114 PID 4492 wrote to memory of 408 4492 cmd.exe 114 PID 4492 wrote to memory of 408 4492 cmd.exe 114 -
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\5d1a3240fe06eced09f713043805545fe063ecd5333355630253f07925edd0f1.exe"C:\Users\Admin\AppData\Local\Temp\5d1a3240fe06eced09f713043805545fe063ecd5333355630253f07925edd0f1.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4720 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1096
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C:\Users\Admin\AppData\Local\Temp\5d1a3240fe06eced09f713043805545fe063ecd5333355630253f07925edd0f1.exe"C:\Users\Admin\AppData\Local\Temp\5d1a3240fe06eced09f713043805545fe063ecd5333355630253f07925edd0f1.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:2308 -
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:3040
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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:4916 -
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:2948
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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:2372
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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:1948
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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:4564 -
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:1816
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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:1920
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1940
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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:4984
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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:1096
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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:4060
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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:896
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:816 -
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:4492 -
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:408
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3312
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
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ce408133401f0cb95e29c3e09c65a80a
SHA17e7056c8829421d4e30f3c7fc51f9aa23027f8b8
SHA256b117e2e18016d6d6cca9ebc66a261a915476da20d75de13e7d634bab769f2dd3
SHA512e631b5546481e56d3f2a714a6b0add1639f57c0717d81f5b80c78c0f17666f0763914af5fcdddb9dcf0a09a67395b9fe900f6a69b06c61f82639eb7572469161
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d4a13be01c9c3c79924fc75b7860b779
SHA13608d2ac36adbe5a9657169fbcdcf64873aa28e7
SHA2566071eadc5378f38d9f7bebcf15f0279414ca57f7131c30e0c0f5e5b27b95edc8
SHA512c824410e646322122a1e02423c47e7934f4b2c9443ca3cd0ca7d1005962628e833263ef6c9aa8294e4c5ffd90ff2d3eb6f31a580fe2e25854f82ad71fdd4c65b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55f9004e4757df2f86c65188a0ee04ac2
SHA1684c611192c5c920e4c53fa381b542f68d0c11b6
SHA2564c80915b7d21c03d3c40c85ffa51865c7d1a8ca188f4222290607ba24877d84a
SHA512e4338c544a03921cfa7bc1fdcc5468184639b8732d3fe9bbc863aa44582e2479f0b14a1413db477e91056a24d41a3d96e2f832dcd7c134a112f0d58473dc6086
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58f761cb18e2bf6c1233cef4f6f57f274
SHA1f8419ed6dbd293f572f9d90642ab4efdd41c450e
SHA256946cae3ae502a251aed34cc20e2fa0e63c8aeae8fc7457f2f101aae1c88d737c
SHA512206b22c80a8fe645f7d4fb0d86b3939024875d639f04cc354d193787efce83a852d36a4051e81e150624ccddf1301e2af43c1f295630230b0ffffd29c1d1fdd2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD559c4ef08d25552d74a8f74aeb43aaec5
SHA1670657c671cf4e770ae6aa70ace6e5d9151cbac3
SHA256557700d3acbf7588123e8d13fb6fc823e8c51e487599494414b7ffce8699a9d4
SHA5128ca5f50e222edf5326342717fa76de09ecc0add6812e88bd312b6f653c0279255be526295f63970838a8ee45ec9a942ff804d2a30910d3f4d5173994e01c9aa6
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Filesize
4.1MB
MD5a105392d32bfd7dae76a497e10c5ada5
SHA147bbb13eefac2a35e7bfea20eb613aae37a49046
SHA2565d1a3240fe06eced09f713043805545fe063ecd5333355630253f07925edd0f1
SHA5123760476519ce1e23cac9d97e863b9da95fcfd166c343f28007036a958bf8d332b989bd9626ef1da46d0586acc1f0cd6504cfffc87abea188854df39c7d56f8e0
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec