Analysis
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max time kernel
149s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
18-05-2024 15:16
Static task
static1
Behavioral task
behavioral1
Sample
0dd16bd11e9065905666d3ebcf8a0474adc7194b975cba09f945201c3b082ad3.exe
Resource
win10v2004-20240508-en
General
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Target
0dd16bd11e9065905666d3ebcf8a0474adc7194b975cba09f945201c3b082ad3.exe
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Size
4.1MB
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MD5
344dd8cf0a7467c047da43fe420e95ce
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SHA1
a32f527c03a0a8f92dd8de6e5d4f9441aa9b386c
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SHA256
0dd16bd11e9065905666d3ebcf8a0474adc7194b975cba09f945201c3b082ad3
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SHA512
3213663755a47b9e10d8356e48029b999930e920b1f6696a85ba38dbacf5530e6cdda8aabe17cb68384aa8e32f46acf98bfb87b5919d17aa3f33af032be158ff
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SSDEEP
98304:z3/aXnuKq8lIi6YuYM5DOP1Yy/qFVYXqnggvBm2Aw6XSjras4uEiZDLpDRiiTQ:z3/aer8lIiPc9ySnggpxAJiIuBVpFiiE
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/3604-2-0x0000000004A50000-0x000000000533B000-memory.dmp family_glupteba behavioral2/memory/3604-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3604-89-0x0000000004A50000-0x000000000533B000-memory.dmp family_glupteba behavioral2/memory/3604-87-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/3604-147-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4184-146-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/4848-202-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/4848-214-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/4848-217-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/4848-222-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/4848-226-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/4848-230-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/4848-233-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/4848-238-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/4848-242-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/4848-246-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/4848-250-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/4848-254-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/4848-258-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4804 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4848 csrss.exe 4688 injector.exe 1568 windefender.exe 2900 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9f7-206.dat upx behavioral2/memory/1568-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2900-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1568-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2900-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2900-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1672260578-815027929-964132517-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 0dd16bd11e9065905666d3ebcf8a0474adc7194b975cba09f945201c3b082ad3.exe Set value (str) \REGISTRY\USER\S-1-5-21-1672260578-815027929-964132517-1000\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 0dd16bd11e9065905666d3ebcf8a0474adc7194b975cba09f945201c3b082ad3.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 0dd16bd11e9065905666d3ebcf8a0474adc7194b975cba09f945201c3b082ad3.exe File created C:\Windows\rss\csrss.exe 0dd16bd11e9065905666d3ebcf8a0474adc7194b975cba09f945201c3b082ad3.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 2248 sc.exe -
pid Process 2248 powershell.exe 3184 powershell.exe 4236 powershell.exe 4880 powershell.exe 4636 powershell.exe 3560 powershell.exe 4368 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 1972 schtasks.exe 2968 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" 0dd16bd11e9065905666d3ebcf8a0474adc7194b975cba09f945201c3b082ad3.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\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" 0dd16bd11e9065905666d3ebcf8a0474adc7194b975cba09f945201c3b082ad3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" 0dd16bd11e9065905666d3ebcf8a0474adc7194b975cba09f945201c3b082ad3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 0dd16bd11e9065905666d3ebcf8a0474adc7194b975cba09f945201c3b082ad3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" 0dd16bd11e9065905666d3ebcf8a0474adc7194b975cba09f945201c3b082ad3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" 0dd16bd11e9065905666d3ebcf8a0474adc7194b975cba09f945201c3b082ad3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 0dd16bd11e9065905666d3ebcf8a0474adc7194b975cba09f945201c3b082ad3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2532 = "Chatham Islands 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,-2001 = "Cabo Verde Daylight Time" 0dd16bd11e9065905666d3ebcf8a0474adc7194b975cba09f945201c3b082ad3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 0dd16bd11e9065905666d3ebcf8a0474adc7194b975cba09f945201c3b082ad3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" 0dd16bd11e9065905666d3ebcf8a0474adc7194b975cba09f945201c3b082ad3.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,-32 = "Mid-Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" 0dd16bd11e9065905666d3ebcf8a0474adc7194b975cba09f945201c3b082ad3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 0dd16bd11e9065905666d3ebcf8a0474adc7194b975cba09f945201c3b082ad3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 0dd16bd11e9065905666d3ebcf8a0474adc7194b975cba09f945201c3b082ad3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3141 = "South Sudan Daylight 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" 0dd16bd11e9065905666d3ebcf8a0474adc7194b975cba09f945201c3b082ad3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 0dd16bd11e9065905666d3ebcf8a0474adc7194b975cba09f945201c3b082ad3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 0dd16bd11e9065905666d3ebcf8a0474adc7194b975cba09f945201c3b082ad3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" 0dd16bd11e9065905666d3ebcf8a0474adc7194b975cba09f945201c3b082ad3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1871 = "Russia TZ 7 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" 0dd16bd11e9065905666d3ebcf8a0474adc7194b975cba09f945201c3b082ad3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.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\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" 0dd16bd11e9065905666d3ebcf8a0474adc7194b975cba09f945201c3b082ad3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-132 = "US Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 0dd16bd11e9065905666d3ebcf8a0474adc7194b975cba09f945201c3b082ad3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" 0dd16bd11e9065905666d3ebcf8a0474adc7194b975cba09f945201c3b082ad3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 0dd16bd11e9065905666d3ebcf8a0474adc7194b975cba09f945201c3b082ad3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" 0dd16bd11e9065905666d3ebcf8a0474adc7194b975cba09f945201c3b082ad3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" 0dd16bd11e9065905666d3ebcf8a0474adc7194b975cba09f945201c3b082ad3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-111 = "Eastern 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" 0dd16bd11e9065905666d3ebcf8a0474adc7194b975cba09f945201c3b082ad3.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4368 powershell.exe 4368 powershell.exe 3604 0dd16bd11e9065905666d3ebcf8a0474adc7194b975cba09f945201c3b082ad3.exe 3604 0dd16bd11e9065905666d3ebcf8a0474adc7194b975cba09f945201c3b082ad3.exe 2248 powershell.exe 2248 powershell.exe 4184 0dd16bd11e9065905666d3ebcf8a0474adc7194b975cba09f945201c3b082ad3.exe 4184 0dd16bd11e9065905666d3ebcf8a0474adc7194b975cba09f945201c3b082ad3.exe 4184 0dd16bd11e9065905666d3ebcf8a0474adc7194b975cba09f945201c3b082ad3.exe 4184 0dd16bd11e9065905666d3ebcf8a0474adc7194b975cba09f945201c3b082ad3.exe 4184 0dd16bd11e9065905666d3ebcf8a0474adc7194b975cba09f945201c3b082ad3.exe 4184 0dd16bd11e9065905666d3ebcf8a0474adc7194b975cba09f945201c3b082ad3.exe 4184 0dd16bd11e9065905666d3ebcf8a0474adc7194b975cba09f945201c3b082ad3.exe 4184 0dd16bd11e9065905666d3ebcf8a0474adc7194b975cba09f945201c3b082ad3.exe 4184 0dd16bd11e9065905666d3ebcf8a0474adc7194b975cba09f945201c3b082ad3.exe 4184 0dd16bd11e9065905666d3ebcf8a0474adc7194b975cba09f945201c3b082ad3.exe 3184 powershell.exe 3184 powershell.exe 4236 powershell.exe 4236 powershell.exe 4880 powershell.exe 4880 powershell.exe 4636 powershell.exe 4636 powershell.exe 3560 powershell.exe 3560 powershell.exe 4688 injector.exe 4688 injector.exe 4688 injector.exe 4688 injector.exe 4688 injector.exe 4688 injector.exe 4848 csrss.exe 4848 csrss.exe 4688 injector.exe 4688 injector.exe 4688 injector.exe 4688 injector.exe 4688 injector.exe 4688 injector.exe 4848 csrss.exe 4848 csrss.exe 4688 injector.exe 4688 injector.exe 4688 injector.exe 4688 injector.exe 4848 csrss.exe 4848 csrss.exe 4688 injector.exe 4688 injector.exe 4688 injector.exe 4688 injector.exe 4688 injector.exe 4688 injector.exe 4688 injector.exe 4688 injector.exe 4688 injector.exe 4688 injector.exe 4688 injector.exe 4688 injector.exe 4688 injector.exe 4688 injector.exe 4688 injector.exe 4688 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4368 powershell.exe Token: SeDebugPrivilege 3604 0dd16bd11e9065905666d3ebcf8a0474adc7194b975cba09f945201c3b082ad3.exe Token: SeImpersonatePrivilege 3604 0dd16bd11e9065905666d3ebcf8a0474adc7194b975cba09f945201c3b082ad3.exe Token: SeDebugPrivilege 2248 powershell.exe Token: SeDebugPrivilege 3184 powershell.exe Token: SeDebugPrivilege 4236 powershell.exe Token: SeDebugPrivilege 4880 powershell.exe Token: SeDebugPrivilege 4636 powershell.exe Token: SeDebugPrivilege 3560 powershell.exe Token: SeSystemEnvironmentPrivilege 4848 csrss.exe Token: SeSecurityPrivilege 2248 sc.exe Token: SeSecurityPrivilege 2248 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3604 wrote to memory of 4368 3604 0dd16bd11e9065905666d3ebcf8a0474adc7194b975cba09f945201c3b082ad3.exe 81 PID 3604 wrote to memory of 4368 3604 0dd16bd11e9065905666d3ebcf8a0474adc7194b975cba09f945201c3b082ad3.exe 81 PID 3604 wrote to memory of 4368 3604 0dd16bd11e9065905666d3ebcf8a0474adc7194b975cba09f945201c3b082ad3.exe 81 PID 4184 wrote to memory of 2248 4184 0dd16bd11e9065905666d3ebcf8a0474adc7194b975cba09f945201c3b082ad3.exe 86 PID 4184 wrote to memory of 2248 4184 0dd16bd11e9065905666d3ebcf8a0474adc7194b975cba09f945201c3b082ad3.exe 86 PID 4184 wrote to memory of 2248 4184 0dd16bd11e9065905666d3ebcf8a0474adc7194b975cba09f945201c3b082ad3.exe 86 PID 4184 wrote to memory of 3224 4184 0dd16bd11e9065905666d3ebcf8a0474adc7194b975cba09f945201c3b082ad3.exe 88 PID 4184 wrote to memory of 3224 4184 0dd16bd11e9065905666d3ebcf8a0474adc7194b975cba09f945201c3b082ad3.exe 88 PID 3224 wrote to memory of 4804 3224 cmd.exe 90 PID 3224 wrote to memory of 4804 3224 cmd.exe 90 PID 4184 wrote to memory of 3184 4184 0dd16bd11e9065905666d3ebcf8a0474adc7194b975cba09f945201c3b082ad3.exe 91 PID 4184 wrote to memory of 3184 4184 0dd16bd11e9065905666d3ebcf8a0474adc7194b975cba09f945201c3b082ad3.exe 91 PID 4184 wrote to memory of 3184 4184 0dd16bd11e9065905666d3ebcf8a0474adc7194b975cba09f945201c3b082ad3.exe 91 PID 4184 wrote to memory of 4236 4184 0dd16bd11e9065905666d3ebcf8a0474adc7194b975cba09f945201c3b082ad3.exe 93 PID 4184 wrote to memory of 4236 4184 0dd16bd11e9065905666d3ebcf8a0474adc7194b975cba09f945201c3b082ad3.exe 93 PID 4184 wrote to memory of 4236 4184 0dd16bd11e9065905666d3ebcf8a0474adc7194b975cba09f945201c3b082ad3.exe 93 PID 4184 wrote to memory of 4848 4184 0dd16bd11e9065905666d3ebcf8a0474adc7194b975cba09f945201c3b082ad3.exe 95 PID 4184 wrote to memory of 4848 4184 0dd16bd11e9065905666d3ebcf8a0474adc7194b975cba09f945201c3b082ad3.exe 95 PID 4184 wrote to memory of 4848 4184 0dd16bd11e9065905666d3ebcf8a0474adc7194b975cba09f945201c3b082ad3.exe 95 PID 4848 wrote to memory of 4880 4848 csrss.exe 96 PID 4848 wrote to memory of 4880 4848 csrss.exe 96 PID 4848 wrote to memory of 4880 4848 csrss.exe 96 PID 4848 wrote to memory of 4636 4848 csrss.exe 101 PID 4848 wrote to memory of 4636 4848 csrss.exe 101 PID 4848 wrote to memory of 4636 4848 csrss.exe 101 PID 4848 wrote to memory of 3560 4848 csrss.exe 104 PID 4848 wrote to memory of 3560 4848 csrss.exe 104 PID 4848 wrote to memory of 3560 4848 csrss.exe 104 PID 4848 wrote to memory of 4688 4848 csrss.exe 106 PID 4848 wrote to memory of 4688 4848 csrss.exe 106 PID 1568 wrote to memory of 112 1568 windefender.exe 112 PID 1568 wrote to memory of 112 1568 windefender.exe 112 PID 1568 wrote to memory of 112 1568 windefender.exe 112 PID 112 wrote to memory of 2248 112 cmd.exe 113 PID 112 wrote to memory of 2248 112 cmd.exe 113 PID 112 wrote to memory of 2248 112 cmd.exe 113 -
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\0dd16bd11e9065905666d3ebcf8a0474adc7194b975cba09f945201c3b082ad3.exe"C:\Users\Admin\AppData\Local\Temp\0dd16bd11e9065905666d3ebcf8a0474adc7194b975cba09f945201c3b082ad3.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3604 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4368
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C:\Users\Admin\AppData\Local\Temp\0dd16bd11e9065905666d3ebcf8a0474adc7194b975cba09f945201c3b082ad3.exe"C:\Users\Admin\AppData\Local\Temp\0dd16bd11e9065905666d3ebcf8a0474adc7194b975cba09f945201c3b082ad3.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:4184 -
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:2248
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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:3224 -
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:4804
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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:3184
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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:4236
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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:4848 -
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:4880
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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:1972
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3076
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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:4636
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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:3560
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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:4688
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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:2968
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1568 -
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:112 -
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:2248
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2900
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ccafd58da668029658801dd25179d0c5
SHA1a3e208fbaf588a02f5ebcf4945dd29639b39793f
SHA25670226bfb1213684ea5e21a8a22c236148084d5d009eefa7c39126ba18d7c541a
SHA512513423737c0832a90cf9073cf5e39d580beb58bd10e911cbb0409c96c2d6a34764ccfa32c4889b029a6d50fbdda4a491e27014f1a071a3d559ba67f69af6bc92
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58529f8c8ea0c70c0c110e6c1b35e55bd
SHA191d3c08300e254eb9e9e017dbf1059a283898f80
SHA256fadc9677043db91713de079797d82f942eea615f7886c26c718bfd55f52674b3
SHA512a84e9ac5960fc6baf75ef0ccf560037a9e93c865efcdd93033bb361937b46f1c63b6dd53761380e4e40e94bdb9355c6e0f6fbbb1f2c51154f0c6bdee30886432
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD579547a2da4ed80512d90fefafb8e53ad
SHA1db25f080146debc59942a894ec843e28ebff5aa3
SHA256ec2e03edc6a73441b6972c0ad99c5bd0d69a3fde448f298a10a8122d27aaa4f6
SHA512c71b6f95713aaf220dc8e3ad54e7675c2f936251046d28eb462b98a3d67bba0cbba5118ed76e77d96e8bf40f2e18e120b74ef78f1679a85e5dce3a9f48ba9ae6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b8525f0d6d546302cb35d850d4906dda
SHA1e872283c294da6fb35c3c1534f9055a81b2519fb
SHA2561fbc2e398c1bebdd01d0feb1f72fc2cba31b698e7997067efc8ae565ed2eca49
SHA512fd59adbfd8e5bcb6c73270f82ceb8f87f21a314ead5a671886dcfe45adb3a4f9cdb06f436cb419c0e28f709940fe7efd56ed4f6043e83305cfe01d9b6b807d9f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57a6e50828a08f494f7d1f56470b94276
SHA1e271e48ad5c06c46fba9b60aa39fc17e740414a7
SHA256b6ed1446717f7518b0b1cb89c74011abaaee62fdaffa9da5c4772ffc197fee4f
SHA512523d56b66f8adffbe58e24dc6573b3743ad5af6f5cc60dfe1cf7f7eaaf2e6993f7c0ec75442c072441921000626813192c7e9b6d234dcc9fcb0f6e6fb96c088c
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Filesize
4.1MB
MD5344dd8cf0a7467c047da43fe420e95ce
SHA1a32f527c03a0a8f92dd8de6e5d4f9441aa9b386c
SHA2560dd16bd11e9065905666d3ebcf8a0474adc7194b975cba09f945201c3b082ad3
SHA5123213663755a47b9e10d8356e48029b999930e920b1f6696a85ba38dbacf5530e6cdda8aabe17cb68384aa8e32f46acf98bfb87b5919d17aa3f33af032be158ff
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec