Analysis
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max time kernel
149s -
max time network
133s -
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 15:28
Static task
static1
Behavioral task
behavioral1
Sample
c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe
Resource
win10v2004-20240508-en
General
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Target
c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe
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Size
4.1MB
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MD5
24c92aba13ac2dbf74a31a971ce20189
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SHA1
6180a02ba14469b9cac7d438efe53751c4c2a20e
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SHA256
c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96
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SHA512
fcf33ba7237cbdfc8c5db94b200d590d2b207b7edd6afdf3c949c3a751a7a96537f7c163c0c9e811f4e6bd1e732a972de10c45264c49dd120a616e4a2bf96ed8
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SSDEEP
98304:z3/aXnuKq8lIi6YuYM5DOP1Yy/qFVYXqnggvBm2Aw6XSjras4uEiZDLpDRiiTh:z3/aer8lIiPc9ySnggpxAJiIuBVpFii9
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/1132-2-0x00000000049E0000-0x00000000052CB000-memory.dmp family_glupteba behavioral2/memory/1132-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1132-79-0x00000000049E0000-0x00000000052CB000-memory.dmp family_glupteba behavioral2/memory/1132-77-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/1132-120-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3600-119-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/3600-194-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/2748-202-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/2748-214-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/2748-218-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/2748-221-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/2748-225-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/2748-228-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/2748-232-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/2748-238-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/2748-241-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/2748-244-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/2748-248-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/2748-254-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4904 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2748 csrss.exe 3280 injector.exe 4472 windefender.exe 2348 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa6c-205.dat upx behavioral2/memory/4472-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2348-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4472-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2348-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2348-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe Set value (str) \REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\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 c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe File created C:\Windows\rss\csrss.exe c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.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 3180 sc.exe -
pid Process 1812 powershell.exe 804 powershell.exe 3500 powershell.exe 4968 powershell.exe 1480 powershell.exe 2304 powershell.exe 1216 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 4352 schtasks.exe 1972 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.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" c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.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,-532 = "Sri Lanka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-671 = "AUS Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-492 = "India Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2772 = "Omsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-542 = "Myanmar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA 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,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-361 = "GTB Daylight Time" windefender.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,-622 = "Korea Standard Time" c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\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\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1812 powershell.exe 1812 powershell.exe 1132 c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe 1132 c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe 804 powershell.exe 804 powershell.exe 3600 c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe 3600 c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe 3600 c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe 3600 c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe 3600 c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe 3600 c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe 3600 c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe 3600 c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe 3600 c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe 3600 c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe 3500 powershell.exe 3500 powershell.exe 4968 powershell.exe 4968 powershell.exe 1480 powershell.exe 1480 powershell.exe 2304 powershell.exe 2304 powershell.exe 1216 powershell.exe 1216 powershell.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 2748 csrss.exe 2748 csrss.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 2748 csrss.exe 2748 csrss.exe 3280 injector.exe 3280 injector.exe 2748 csrss.exe 2748 csrss.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1812 powershell.exe Token: SeDebugPrivilege 1132 c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe Token: SeImpersonatePrivilege 1132 c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe Token: SeDebugPrivilege 804 powershell.exe Token: SeDebugPrivilege 3500 powershell.exe Token: SeDebugPrivilege 4968 powershell.exe Token: SeDebugPrivilege 1480 powershell.exe Token: SeDebugPrivilege 2304 powershell.exe Token: SeDebugPrivilege 1216 powershell.exe Token: SeSystemEnvironmentPrivilege 2748 csrss.exe Token: SeSecurityPrivilege 3180 sc.exe Token: SeSecurityPrivilege 3180 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1132 wrote to memory of 1812 1132 c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe 81 PID 1132 wrote to memory of 1812 1132 c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe 81 PID 1132 wrote to memory of 1812 1132 c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe 81 PID 3600 wrote to memory of 804 3600 c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe 86 PID 3600 wrote to memory of 804 3600 c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe 86 PID 3600 wrote to memory of 804 3600 c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe 86 PID 3600 wrote to memory of 3920 3600 c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe 88 PID 3600 wrote to memory of 3920 3600 c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe 88 PID 3920 wrote to memory of 4904 3920 cmd.exe 90 PID 3920 wrote to memory of 4904 3920 cmd.exe 90 PID 3600 wrote to memory of 3500 3600 c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe 91 PID 3600 wrote to memory of 3500 3600 c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe 91 PID 3600 wrote to memory of 3500 3600 c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe 91 PID 3600 wrote to memory of 4968 3600 c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe 93 PID 3600 wrote to memory of 4968 3600 c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe 93 PID 3600 wrote to memory of 4968 3600 c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe 93 PID 3600 wrote to memory of 2748 3600 c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe 95 PID 3600 wrote to memory of 2748 3600 c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe 95 PID 3600 wrote to memory of 2748 3600 c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe 95 PID 2748 wrote to memory of 1480 2748 csrss.exe 96 PID 2748 wrote to memory of 1480 2748 csrss.exe 96 PID 2748 wrote to memory of 1480 2748 csrss.exe 96 PID 2748 wrote to memory of 2304 2748 csrss.exe 102 PID 2748 wrote to memory of 2304 2748 csrss.exe 102 PID 2748 wrote to memory of 2304 2748 csrss.exe 102 PID 2748 wrote to memory of 1216 2748 csrss.exe 104 PID 2748 wrote to memory of 1216 2748 csrss.exe 104 PID 2748 wrote to memory of 1216 2748 csrss.exe 104 PID 2748 wrote to memory of 3280 2748 csrss.exe 106 PID 2748 wrote to memory of 3280 2748 csrss.exe 106 PID 4472 wrote to memory of 232 4472 windefender.exe 112 PID 4472 wrote to memory of 232 4472 windefender.exe 112 PID 4472 wrote to memory of 232 4472 windefender.exe 112 PID 232 wrote to memory of 3180 232 cmd.exe 113 PID 232 wrote to memory of 3180 232 cmd.exe 113 PID 232 wrote to memory of 3180 232 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\c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe"C:\Users\Admin\AppData\Local\Temp\c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1132 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1812
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C:\Users\Admin\AppData\Local\Temp\c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe"C:\Users\Admin\AppData\Local\Temp\c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.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:3600 -
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:804
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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:3920 -
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:4904
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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:3500
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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:4968
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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:2748 -
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:1480
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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:4352
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:564
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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:2304
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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:1216
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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:3280
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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\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4472 -
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:232 -
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:3180
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2348
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
MD55125b11b42209870a5db8d37bc048e8e
SHA1b8f719e965c6d279a466945a5ff29e9dbb7b500b
SHA256c10255d1c3b5465769db76e4c6983063c63468842d08a8096ad1838f16a52965
SHA512227ce64f678e825a26eef88771acf9715a0eac96613420b8b7228e0e5c669fc37757d3e2b1664d6b5822fe82746042465cb97184028e6f77453c5a7025f7684f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD579ef898e8cee06af2798b046af9a6137
SHA10d73f1bdf2dbbb474e709d7c55abebc2e1a77959
SHA25698bb4e4731f70272439e3601dc03c7280b45d31c302380eb31870f90b02ee428
SHA5121c7a5e8983df12440300c1c0a867cdd054e1d1ff7b39d4b2d6738bc7a5df5b63b34a1ed196a810234bcf699aad796e7759d964f1937fa9f822e3186dbefe3a8a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b4c421bac1fbe31112d9a162840f20e5
SHA16906f6bf8044f7706a09547bb8b778565fa1df80
SHA2567a7058b58f2784bad8a99a8de6f4b6f57fec11ff0ee16187d5c0cddf5fd3500e
SHA512335793264d3b0cbc874d97c02ac70d7f323f5c27e6d0eff0817fa60760f98167cbd1679d97bdb73525b9c77cddd3b35663efce9bd53c270f21b6452c207ac754
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a34f877dc1fc9ea0f1f7071831e56361
SHA1affa88ba48e8c7d6fcf76311c8f186b202c9ab8c
SHA256c6e9f4e70da4f179b753386ba07fe15125a812dfaeffb7f59583ccd2cf4e6bcd
SHA5121069e444a7991b7a747c40b2c506b7c1c96828e3c05065c371c3ac438ab67701e01ab1b782e138304f01212adb3b5a0ed1c99388ad68342f17f9b7c7ff142042
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56bdd994895124d7feac01af7104e6483
SHA118f3cf5171012cb1c29ef21cdfcdb6bb8c895efa
SHA256c9904fb17fdc1e8a27a3bf75a1a53f26259688c84d0e1bbe950f1f69e323ba11
SHA51295f6726b0e125a2906b3aaa633bae0bf340d3b46e3093a9028f49b4de73e9d1b9a50ec0ff5fd5b10939acf0afe184bcfa1f9789355753383166858179843b6e2
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Filesize
4.1MB
MD524c92aba13ac2dbf74a31a971ce20189
SHA16180a02ba14469b9cac7d438efe53751c4c2a20e
SHA256c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96
SHA512fcf33ba7237cbdfc8c5db94b200d590d2b207b7edd6afdf3c949c3a751a7a96537f7c163c0c9e811f4e6bd1e732a972de10c45264c49dd120a616e4a2bf96ed8
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec