Analysis
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max time kernel
150s -
max time network
143s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
03-05-2024 15:33
Static task
static1
Behavioral task
behavioral1
Sample
a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe
Resource
win10v2004-20240426-en
General
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Target
a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe
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Size
4.2MB
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MD5
a3abd7d6c12b50dc0b3da92c374ac2a1
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SHA1
4ed4115e5bbcc9f6c7619df4e495a0109d2a11dd
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SHA256
a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5
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SHA512
b4b3ef3e34adad1995156be6a46d2d9ccc1f2971583a8c6731efdafa1951e324c197edf245192a18da37219a35dcf98895f0abbbced7212bbdacf4184645bb51
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SSDEEP
98304:Jzx5x3x4nJzsLqetuEHbxn4+yZ91ZAp+QUVxzinq3Pl+Ib:JV5V+JsbtuCNu31ZAp+Q4xWnq3P4c
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/3516-2-0x0000000003EA0000-0x000000000478B000-memory.dmp family_glupteba behavioral1/memory/3516-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3516-55-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3516-54-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/3516-56-0x0000000003EA0000-0x000000000478B000-memory.dmp family_glupteba behavioral1/memory/3108-218-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/2876-219-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/2876-230-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/2876-233-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/2876-236-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/2876-239-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/2876-242-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/2876-245-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/2876-248-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/2876-251-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/2876-254-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/2876-257-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/2876-260-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/2876-263-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1188 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2876 csrss.exe 2996 injector.exe 3484 windefender.exe 1560 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023411-223.dat upx behavioral1/memory/3484-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3484-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1560-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1560-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1560-238-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\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 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 -
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 a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe File created C:\Windows\rss\csrss.exe a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe File created 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 208 sc.exe -
pid Process 2516 powershell.exe 2128 powershell.exe 3572 powershell.exe 1804 powershell.exe 436 powershell.exe 1696 powershell.exe 2092 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 5056 schtasks.exe 3308 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process 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,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2371 = "Easter Island Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-691 = "Tasmania Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 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,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\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\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-912 = "Mauritius Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-831 = "SA Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.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\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-434 = "Georgian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-71 = "Newfoundland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-891 = "Morocco Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2092 powershell.exe 2092 powershell.exe 3516 a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe 3516 a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe 2516 powershell.exe 2516 powershell.exe 3108 a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe 3108 a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe 3108 a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe 3108 a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe 3108 a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe 3108 a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe 3108 a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe 3108 a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe 3108 a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe 3108 a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe 2128 powershell.exe 2128 powershell.exe 3572 powershell.exe 3572 powershell.exe 1804 powershell.exe 1804 powershell.exe 436 powershell.exe 436 powershell.exe 1696 powershell.exe 1696 powershell.exe 2996 injector.exe 2996 injector.exe 2996 injector.exe 2996 injector.exe 2996 injector.exe 2996 injector.exe 2876 csrss.exe 2876 csrss.exe 2996 injector.exe 2996 injector.exe 2996 injector.exe 2996 injector.exe 2996 injector.exe 2996 injector.exe 2876 csrss.exe 2876 csrss.exe 2996 injector.exe 2996 injector.exe 2996 injector.exe 2996 injector.exe 2876 csrss.exe 2876 csrss.exe 2996 injector.exe 2996 injector.exe 2996 injector.exe 2996 injector.exe 2996 injector.exe 2996 injector.exe 2996 injector.exe 2996 injector.exe 2996 injector.exe 2996 injector.exe 2996 injector.exe 2996 injector.exe 2996 injector.exe 2996 injector.exe 2996 injector.exe 2996 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2092 powershell.exe Token: SeDebugPrivilege 3516 a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe Token: SeImpersonatePrivilege 3516 a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe Token: SeDebugPrivilege 2516 powershell.exe Token: SeDebugPrivilege 2128 powershell.exe Token: SeDebugPrivilege 3572 powershell.exe Token: SeDebugPrivilege 1804 powershell.exe Token: SeDebugPrivilege 436 powershell.exe Token: SeDebugPrivilege 1696 powershell.exe Token: SeSystemEnvironmentPrivilege 2876 csrss.exe Token: SeSecurityPrivilege 208 sc.exe Token: SeSecurityPrivilege 208 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3516 wrote to memory of 2092 3516 a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe 85 PID 3516 wrote to memory of 2092 3516 a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe 85 PID 3516 wrote to memory of 2092 3516 a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe 85 PID 3108 wrote to memory of 2516 3108 a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe 92 PID 3108 wrote to memory of 2516 3108 a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe 92 PID 3108 wrote to memory of 2516 3108 a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe 92 PID 3108 wrote to memory of 4524 3108 a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe 95 PID 3108 wrote to memory of 4524 3108 a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe 95 PID 4524 wrote to memory of 1188 4524 cmd.exe 97 PID 4524 wrote to memory of 1188 4524 cmd.exe 97 PID 3108 wrote to memory of 2128 3108 a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe 98 PID 3108 wrote to memory of 2128 3108 a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe 98 PID 3108 wrote to memory of 2128 3108 a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe 98 PID 3108 wrote to memory of 3572 3108 a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe 100 PID 3108 wrote to memory of 3572 3108 a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe 100 PID 3108 wrote to memory of 3572 3108 a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe 100 PID 3108 wrote to memory of 2876 3108 a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe 102 PID 3108 wrote to memory of 2876 3108 a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe 102 PID 3108 wrote to memory of 2876 3108 a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe 102 PID 2876 wrote to memory of 1804 2876 csrss.exe 103 PID 2876 wrote to memory of 1804 2876 csrss.exe 103 PID 2876 wrote to memory of 1804 2876 csrss.exe 103 PID 2876 wrote to memory of 436 2876 csrss.exe 109 PID 2876 wrote to memory of 436 2876 csrss.exe 109 PID 2876 wrote to memory of 436 2876 csrss.exe 109 PID 2876 wrote to memory of 1696 2876 csrss.exe 111 PID 2876 wrote to memory of 1696 2876 csrss.exe 111 PID 2876 wrote to memory of 1696 2876 csrss.exe 111 PID 2876 wrote to memory of 2996 2876 csrss.exe 113 PID 2876 wrote to memory of 2996 2876 csrss.exe 113 PID 3484 wrote to memory of 1260 3484 windefender.exe 119 PID 3484 wrote to memory of 1260 3484 windefender.exe 119 PID 3484 wrote to memory of 1260 3484 windefender.exe 119 PID 1260 wrote to memory of 208 1260 cmd.exe 120 PID 1260 wrote to memory of 208 1260 cmd.exe 120 PID 1260 wrote to memory of 208 1260 cmd.exe 120 -
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\a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe"C:\Users\Admin\AppData\Local\Temp\a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3516 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2092
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C:\Users\Admin\AppData\Local\Temp\a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe"C:\Users\Admin\AppData\Local\Temp\a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.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:3108 -
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:2516
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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:4524 -
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:1188
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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:2128
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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:3572
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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:2876 -
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:1804
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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:5056
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4016
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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:436
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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:1696
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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:2996
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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:3308
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3484 -
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:1260 -
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:208
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1560
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD518bcc561de8881af51c795d736da882e
SHA1459fa727ac4bc58290312092ddd845ee61aea172
SHA256914c5585eb4b5d77c54dfde42458e70698987139323fcefc6ef2618f94a62b36
SHA512896e2322df9dd80ec0ddc34e6016a0ca576acbcbf27a9197e4e1cb1137a4e0d0d1084f43a9add69005dc4933b57372ab4c9dd5f0a4367b1499154a0d2d04274a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5feb253d4826f5d3b4c3bf81871ce7282
SHA1fc6fa8e0ad76a5e8bdab514b3a0e51cf6fd119aa
SHA256f2b288c94fd933a8aff161ef51950c6b3ff3746dce1a84358b5a99fba92bf8d4
SHA5122a3ec90a3263355f1ca768b56ddaf3ff943d4779c61be4a65d024210e665a5be2b7bf6d1fecf29a47cbf76e7e3a026fd35e252566aa3bbccf4b5936baf71ee37
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5745d0ea6e85aa5aa0937706419a8918e
SHA19cd823b463a4afca688be84e04bf2a3f5fd7be5e
SHA256e601d18d3a283a3bd0f17bb6e574343ea3bf7836d135db675b3aef200bc09c8a
SHA51282b811d531760c75e2e029aa206a403703677d63bcd7c837a994d6300e0a200bbd7359bbbff93bf12227e0b54105c42bffc7aad192e1f0a9316fa1296b7abd04
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d9aa761db38b03ce2ad6f0bdf2410163
SHA1e0fee7ea0513677aa23403672aeb2aa0932b089b
SHA2569a59aea4963518876d453a4d5160ac04691710f5be07bd8394fda11453c3d56b
SHA512be16f36a79af29bfb1134566300e706bfd46ea63e0c59a8b822bd42d937721d1dcd9445ec285330e01ee9e622577271dcda5870ad470e269d64f2e72bf3b6562
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a2f9b3ada81c1fbc43539a58b090ea92
SHA140978bd1dad4facb8332474751792c7932f75f44
SHA2569290b8685e42f2d1887592730d34577cbe72de63ad7045ff3edd962e926f14df
SHA51291e706c0f6abab799e42e325b32959d9b660ee3f4c35a0659986ba9515eca08f037bd15e58dc98a0dd30c56aecd85537edeacbb6aa21536efbca9329b8bfaa50
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Filesize
4.2MB
MD5a3abd7d6c12b50dc0b3da92c374ac2a1
SHA14ed4115e5bbcc9f6c7619df4e495a0109d2a11dd
SHA256a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5
SHA512b4b3ef3e34adad1995156be6a46d2d9ccc1f2971583a8c6731efdafa1951e324c197edf245192a18da37219a35dcf98895f0abbbced7212bbdacf4184645bb51
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec