Analysis
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max time kernel
150s -
max time network
139s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
01/05/2024, 16:19
Static task
static1
Behavioral task
behavioral1
Sample
dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe
Resource
win10v2004-20240419-en
General
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Target
dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe
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Size
4.2MB
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MD5
4af362470a72c86a5ca0a26b829b952c
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SHA1
2f4d25c7f7979534301e78da5c8e46eb99ead647
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SHA256
dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052
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SHA512
d80e1ab99b005cff01c0d05692f5c6384a8800656476bae7a599a56723a8aee8c7e3172b30f012c0958fdcf9c7281390162211521bc035e6c058204bede3d7b5
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SSDEEP
98304:l/JQ0p3x8E8SPoR4RNZx2D64gtjtYEI4STUr/55MSjk:l/JQ0pqEXPoR4RvU1gjYEIpeBON
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/1372-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1372-2-0x0000000005040000-0x000000000592B000-memory.dmp family_glupteba behavioral2/memory/1372-50-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1372-52-0x0000000005040000-0x000000000592B000-memory.dmp family_glupteba behavioral2/memory/1372-49-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/3564-78-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/3564-127-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/1692-153-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/1692-205-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/1692-216-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/1692-219-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/1692-222-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/1692-225-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/1692-228-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/1692-231-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/1692-234-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/1692-237-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/1692-240-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/1692-243-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1380 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1692 csrss.exe 1212 injector.exe 3992 windefender.exe 3772 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa34-208.dat upx behavioral2/memory/3992-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3772-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3992-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3772-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3772-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe Set value (str) \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\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\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 File created 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 dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe File created C:\Windows\rss\csrss.exe dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.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 1516 sc.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 1728 schtasks.exe 984 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2392 = "Aleutian Standard Time" windefender.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,-2872 = "Magallanes Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.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\Certificates 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,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.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\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.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,-541 = "Myanmar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight 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\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.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,-1871 = "Russia TZ 7 Daylight Time" windefender.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\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2321 = "Sakhalin 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,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3572 powershell.exe 3572 powershell.exe 1372 dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe 1372 dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe 2316 powershell.exe 2316 powershell.exe 3564 dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe 3564 dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe 3564 dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe 3564 dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe 3564 dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe 3564 dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe 3564 dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe 3564 dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe 3564 dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe 3564 dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe 1824 powershell.exe 1824 powershell.exe 560 powershell.exe 560 powershell.exe 3720 powershell.exe 3720 powershell.exe 4812 powershell.exe 4812 powershell.exe 2088 powershell.exe 2088 powershell.exe 1212 injector.exe 1212 injector.exe 1212 injector.exe 1212 injector.exe 1212 injector.exe 1212 injector.exe 1692 csrss.exe 1692 csrss.exe 1212 injector.exe 1212 injector.exe 1212 injector.exe 1212 injector.exe 1212 injector.exe 1212 injector.exe 1692 csrss.exe 1692 csrss.exe 1212 injector.exe 1212 injector.exe 1212 injector.exe 1212 injector.exe 1692 csrss.exe 1692 csrss.exe 1212 injector.exe 1212 injector.exe 1212 injector.exe 1212 injector.exe 1212 injector.exe 1212 injector.exe 1212 injector.exe 1212 injector.exe 1212 injector.exe 1212 injector.exe 1212 injector.exe 1212 injector.exe 1212 injector.exe 1212 injector.exe 1212 injector.exe 1212 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3572 powershell.exe Token: SeDebugPrivilege 1372 dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe Token: SeImpersonatePrivilege 1372 dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe Token: SeDebugPrivilege 2316 powershell.exe Token: SeDebugPrivilege 1824 powershell.exe Token: SeDebugPrivilege 560 powershell.exe Token: SeDebugPrivilege 3720 powershell.exe Token: SeDebugPrivilege 4812 powershell.exe Token: SeDebugPrivilege 2088 powershell.exe Token: SeSystemEnvironmentPrivilege 1692 csrss.exe Token: SeSecurityPrivilege 1516 sc.exe Token: SeSecurityPrivilege 1516 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1372 wrote to memory of 3572 1372 dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe 83 PID 1372 wrote to memory of 3572 1372 dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe 83 PID 1372 wrote to memory of 3572 1372 dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe 83 PID 3564 wrote to memory of 2316 3564 dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe 88 PID 3564 wrote to memory of 2316 3564 dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe 88 PID 3564 wrote to memory of 2316 3564 dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe 88 PID 3564 wrote to memory of 4236 3564 dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe 90 PID 3564 wrote to memory of 4236 3564 dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe 90 PID 4236 wrote to memory of 1380 4236 cmd.exe 92 PID 4236 wrote to memory of 1380 4236 cmd.exe 92 PID 3564 wrote to memory of 1824 3564 dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe 93 PID 3564 wrote to memory of 1824 3564 dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe 93 PID 3564 wrote to memory of 1824 3564 dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe 93 PID 3564 wrote to memory of 560 3564 dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe 95 PID 3564 wrote to memory of 560 3564 dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe 95 PID 3564 wrote to memory of 560 3564 dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe 95 PID 3564 wrote to memory of 1692 3564 dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe 97 PID 3564 wrote to memory of 1692 3564 dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe 97 PID 3564 wrote to memory of 1692 3564 dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe 97 PID 1692 wrote to memory of 3720 1692 csrss.exe 98 PID 1692 wrote to memory of 3720 1692 csrss.exe 98 PID 1692 wrote to memory of 3720 1692 csrss.exe 98 PID 1692 wrote to memory of 4812 1692 csrss.exe 104 PID 1692 wrote to memory of 4812 1692 csrss.exe 104 PID 1692 wrote to memory of 4812 1692 csrss.exe 104 PID 1692 wrote to memory of 2088 1692 csrss.exe 106 PID 1692 wrote to memory of 2088 1692 csrss.exe 106 PID 1692 wrote to memory of 2088 1692 csrss.exe 106 PID 1692 wrote to memory of 1212 1692 csrss.exe 108 PID 1692 wrote to memory of 1212 1692 csrss.exe 108 PID 3992 wrote to memory of 1416 3992 windefender.exe 114 PID 3992 wrote to memory of 1416 3992 windefender.exe 114 PID 3992 wrote to memory of 1416 3992 windefender.exe 114 PID 1416 wrote to memory of 1516 1416 cmd.exe 115 PID 1416 wrote to memory of 1516 1416 cmd.exe 115 PID 1416 wrote to memory of 1516 1416 cmd.exe 115 -
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\dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe"C:\Users\Admin\AppData\Local\Temp\dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1372 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3572
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C:\Users\Admin\AppData\Local\Temp\dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe"C:\Users\Admin\AppData\Local\Temp\dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.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:3564 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2316
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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:4236 -
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:1380
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1824
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:560
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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:1692 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3720
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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:1728
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2360
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4812
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2088
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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:1212
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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:984
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3992 -
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:1416 -
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:1516
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3772
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c8bb38fc3afed65bafce8c6be09bd621
SHA1a27bcebbe45d2e4456d3c3a5f01e6e86233829f7
SHA25689c259593ecf1a7a8e632eebdac33948f0ebc4b67c576b39e1e08750fc8574df
SHA5120d744296c1624866bb74918598f52af6b74d7fc1eefbc66294c09fd7c91f017945fe3161447794d679a398b6991386acca27b13e79d45faffadc1dca1d8099d1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52f48eb29a866a6c0a159fffdf9eba156
SHA1f96ec892c709ed46ec09c3a37bb078e6dd3493b6
SHA256d5003055612370cddf64e32a1fb4d54c20545153abdedfa66a6510e9b3459808
SHA512198903234282ccc6884d0620f9beb40a3a55e861b250344cecfdeaf95b0325368eff36f7ac714f1a88c3b9290697222ff300ccbce1d69fab9cdb61d7282bda55
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d95e20b5c1d764e2ece85f4b3a892487
SHA125bae2b721b57a022e6a0d93bafd2ac44a1d5a07
SHA2567a7b3eb24613d050942a3452d1fc262058676aa67a5e666e7659799f9d9fc688
SHA512e94a89a37c99212a92055bf1e0b117863669c29ee6b6874b9a0fa768af666d077006c9a43feb5315acc77458cb725441d907f1e6f837b712a2cc8ee79a2992d8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD534afba58c9e82b37860cf76e2f16546e
SHA1deeb7df9fcd3dbea5aaa803826e203d5a6231b57
SHA25647ea392eea7711fde30d8d6da5f3dcf8548dbef048c256aa8a5dca162fee43e5
SHA5123a028915da74e31444c95484a2dfab726ce023fd2f55209a039b4077e563f883f72a48f9ddc1a3dd4453777b652755974a66e97642c4b8d92de63ee0d2a6dbd0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5734ce79d5dc50b9411391420c1f63227
SHA1ca2131d19d9975e763650cef2b6394d810c8b68e
SHA256852cfd87fb278b2eacdae9ccf07b1b367464111c54a055fa9490f4600aba1ed4
SHA5127da6aac7e61ead1c25ea7fd7c8fa4937f4fe2087c204f645ae224aadc33d7b13bb550402adfeee8c402123f164685dda6b57c350a726892859fa6cbc87ddc216
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Filesize
4.2MB
MD54af362470a72c86a5ca0a26b829b952c
SHA12f4d25c7f7979534301e78da5c8e46eb99ead647
SHA256dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052
SHA512d80e1ab99b005cff01c0d05692f5c6384a8800656476bae7a599a56723a8aee8c7e3172b30f012c0958fdcf9c7281390162211521bc035e6c058204bede3d7b5
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec