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Analysis
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max time kernel
150s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
17/04/2024, 12:44
Static task
static1
Behavioral task
behavioral1
Sample
e19dadd70302e157d63758658c0f81b7fb8f008fc3448e4d7b0e776603deb6ac.exe
Resource
win10v2004-20240412-en
General
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Target
e19dadd70302e157d63758658c0f81b7fb8f008fc3448e4d7b0e776603deb6ac.exe
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Size
4.2MB
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MD5
e0b8864b94b6dcf187e0073395dada6e
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SHA1
4a665e2fb1cac5526f90612c4042f64203e292a7
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SHA256
e19dadd70302e157d63758658c0f81b7fb8f008fc3448e4d7b0e776603deb6ac
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SHA512
9a2c4b26303703de44f389f4499b1dff2f13c6a05f41680b6a6bb5e6a882b6fb1c2506a65a4c093e745d2df837f0374fbf5185571c018dc8375f9b4b5c6be114
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SSDEEP
98304:CsszAFEnGNz30SIhwhwKnA0He/l5l69nvxQe8P:UAFEnAzkSSwh1nhb9nv9O
Malware Config
Signatures
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Glupteba payload 21 IoCs
resource yara_rule behavioral1/memory/1664-2-0x0000000005250000-0x0000000005B3B000-memory.dmp family_glupteba behavioral1/memory/1664-3-0x0000000000400000-0x000000000310D000-memory.dmp family_glupteba behavioral1/memory/1664-25-0x0000000000400000-0x000000000310D000-memory.dmp family_glupteba behavioral1/memory/1664-51-0x0000000005250000-0x0000000005B3B000-memory.dmp family_glupteba behavioral1/memory/1664-58-0x0000000000400000-0x000000000310D000-memory.dmp family_glupteba behavioral1/memory/2980-60-0x0000000000400000-0x000000000310D000-memory.dmp family_glupteba behavioral1/memory/2980-89-0x0000000000400000-0x000000000310D000-memory.dmp family_glupteba behavioral1/memory/2980-104-0x0000000000400000-0x000000000310D000-memory.dmp family_glupteba behavioral1/memory/2980-123-0x0000000000400000-0x000000000310D000-memory.dmp family_glupteba behavioral1/memory/2980-154-0x0000000000400000-0x000000000310D000-memory.dmp family_glupteba behavioral1/memory/2612-157-0x0000000000400000-0x000000000310D000-memory.dmp family_glupteba behavioral1/memory/2612-185-0x0000000000400000-0x000000000310D000-memory.dmp family_glupteba behavioral1/memory/2612-253-0x0000000000400000-0x000000000310D000-memory.dmp family_glupteba behavioral1/memory/2612-262-0x0000000000400000-0x000000000310D000-memory.dmp family_glupteba behavioral1/memory/2612-264-0x0000000000400000-0x000000000310D000-memory.dmp family_glupteba behavioral1/memory/2612-267-0x0000000000400000-0x000000000310D000-memory.dmp family_glupteba behavioral1/memory/2612-270-0x0000000000400000-0x000000000310D000-memory.dmp family_glupteba behavioral1/memory/2612-274-0x0000000000400000-0x000000000310D000-memory.dmp family_glupteba behavioral1/memory/2612-277-0x0000000000400000-0x000000000310D000-memory.dmp family_glupteba behavioral1/memory/2612-279-0x0000000000400000-0x000000000310D000-memory.dmp family_glupteba behavioral1/memory/2612-282-0x0000000000400000-0x000000000310D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1328 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2612 csrss.exe 4684 injector.exe 3016 windefender.exe 4076 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023435-257.dat upx behavioral1/memory/3016-261-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4076-265-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4076-271-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4092317236-2027488869-1227795436-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" e19dadd70302e157d63758658c0f81b7fb8f008fc3448e4d7b0e776603deb6ac.exe Set value (str) \REGISTRY\USER\S-1-5-21-4092317236-2027488869-1227795436-1000\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 e19dadd70302e157d63758658c0f81b7fb8f008fc3448e4d7b0e776603deb6ac.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe e19dadd70302e157d63758658c0f81b7fb8f008fc3448e4d7b0e776603deb6ac.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss e19dadd70302e157d63758658c0f81b7fb8f008fc3448e4d7b0e776603deb6ac.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3840 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 3728 schtasks.exe 3260 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-301 = "Romance Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" e19dadd70302e157d63758658c0f81b7fb8f008fc3448e4d7b0e776603deb6ac.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 Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" e19dadd70302e157d63758658c0f81b7fb8f008fc3448e4d7b0e776603deb6ac.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" e19dadd70302e157d63758658c0f81b7fb8f008fc3448e4d7b0e776603deb6ac.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" e19dadd70302e157d63758658c0f81b7fb8f008fc3448e4d7b0e776603deb6ac.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.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\26\52C64B7E\@tzres.dll,-162 = "Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2871 = "Magallanes Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.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\26\52C64B7E\@tzres.dll,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" e19dadd70302e157d63758658c0f81b7fb8f008fc3448e4d7b0e776603deb6ac.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" e19dadd70302e157d63758658c0f81b7fb8f008fc3448e4d7b0e776603deb6ac.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" e19dadd70302e157d63758658c0f81b7fb8f008fc3448e4d7b0e776603deb6ac.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" e19dadd70302e157d63758658c0f81b7fb8f008fc3448e4d7b0e776603deb6ac.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" e19dadd70302e157d63758658c0f81b7fb8f008fc3448e4d7b0e776603deb6ac.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" e19dadd70302e157d63758658c0f81b7fb8f008fc3448e4d7b0e776603deb6ac.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" e19dadd70302e157d63758658c0f81b7fb8f008fc3448e4d7b0e776603deb6ac.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" e19dadd70302e157d63758658c0f81b7fb8f008fc3448e4d7b0e776603deb6ac.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" e19dadd70302e157d63758658c0f81b7fb8f008fc3448e4d7b0e776603deb6ac.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" e19dadd70302e157d63758658c0f81b7fb8f008fc3448e4d7b0e776603deb6ac.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" e19dadd70302e157d63758658c0f81b7fb8f008fc3448e4d7b0e776603deb6ac.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" e19dadd70302e157d63758658c0f81b7fb8f008fc3448e4d7b0e776603deb6ac.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2182 = "Astrakhan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" e19dadd70302e157d63758658c0f81b7fb8f008fc3448e4d7b0e776603deb6ac.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" e19dadd70302e157d63758658c0f81b7fb8f008fc3448e4d7b0e776603deb6ac.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-231 = "Hawaiian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" e19dadd70302e157d63758658c0f81b7fb8f008fc3448e4d7b0e776603deb6ac.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" e19dadd70302e157d63758658c0f81b7fb8f008fc3448e4d7b0e776603deb6ac.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\26\52C64B7E\@tzres.dll,-442 = "Arabian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2001 = "Cabo Verde Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" e19dadd70302e157d63758658c0f81b7fb8f008fc3448e4d7b0e776603deb6ac.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" e19dadd70302e157d63758658c0f81b7fb8f008fc3448e4d7b0e776603deb6ac.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" e19dadd70302e157d63758658c0f81b7fb8f008fc3448e4d7b0e776603deb6ac.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" e19dadd70302e157d63758658c0f81b7fb8f008fc3448e4d7b0e776603deb6ac.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" e19dadd70302e157d63758658c0f81b7fb8f008fc3448e4d7b0e776603deb6ac.exe -
Suspicious behavior: EnumeratesProcesses 32 IoCs
pid Process 3316 powershell.exe 3316 powershell.exe 1664 e19dadd70302e157d63758658c0f81b7fb8f008fc3448e4d7b0e776603deb6ac.exe 1664 e19dadd70302e157d63758658c0f81b7fb8f008fc3448e4d7b0e776603deb6ac.exe 5084 powershell.exe 5084 powershell.exe 2980 e19dadd70302e157d63758658c0f81b7fb8f008fc3448e4d7b0e776603deb6ac.exe 2980 e19dadd70302e157d63758658c0f81b7fb8f008fc3448e4d7b0e776603deb6ac.exe 2980 e19dadd70302e157d63758658c0f81b7fb8f008fc3448e4d7b0e776603deb6ac.exe 2980 e19dadd70302e157d63758658c0f81b7fb8f008fc3448e4d7b0e776603deb6ac.exe 2980 e19dadd70302e157d63758658c0f81b7fb8f008fc3448e4d7b0e776603deb6ac.exe 2980 e19dadd70302e157d63758658c0f81b7fb8f008fc3448e4d7b0e776603deb6ac.exe 2980 e19dadd70302e157d63758658c0f81b7fb8f008fc3448e4d7b0e776603deb6ac.exe 2980 e19dadd70302e157d63758658c0f81b7fb8f008fc3448e4d7b0e776603deb6ac.exe 2980 e19dadd70302e157d63758658c0f81b7fb8f008fc3448e4d7b0e776603deb6ac.exe 2980 e19dadd70302e157d63758658c0f81b7fb8f008fc3448e4d7b0e776603deb6ac.exe 1044 powershell.exe 1044 powershell.exe 4076 powershell.exe 4076 powershell.exe 4128 powershell.exe 4128 powershell.exe 5116 powershell.exe 5116 powershell.exe 3692 powershell.exe 3692 powershell.exe 2612 csrss.exe 2612 csrss.exe 2612 csrss.exe 2612 csrss.exe 2612 csrss.exe 2612 csrss.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3316 powershell.exe Token: SeDebugPrivilege 1664 e19dadd70302e157d63758658c0f81b7fb8f008fc3448e4d7b0e776603deb6ac.exe Token: SeImpersonatePrivilege 1664 e19dadd70302e157d63758658c0f81b7fb8f008fc3448e4d7b0e776603deb6ac.exe Token: SeDebugPrivilege 5084 powershell.exe Token: SeDebugPrivilege 1044 powershell.exe Token: SeDebugPrivilege 4076 powershell.exe Token: SeDebugPrivilege 4128 powershell.exe Token: SeDebugPrivilege 5116 powershell.exe Token: SeDebugPrivilege 3692 powershell.exe Token: SeSystemEnvironmentPrivilege 2612 csrss.exe Token: SeSecurityPrivilege 3840 sc.exe Token: SeSecurityPrivilege 3840 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1664 wrote to memory of 3316 1664 e19dadd70302e157d63758658c0f81b7fb8f008fc3448e4d7b0e776603deb6ac.exe 90 PID 1664 wrote to memory of 3316 1664 e19dadd70302e157d63758658c0f81b7fb8f008fc3448e4d7b0e776603deb6ac.exe 90 PID 1664 wrote to memory of 3316 1664 e19dadd70302e157d63758658c0f81b7fb8f008fc3448e4d7b0e776603deb6ac.exe 90 PID 2980 wrote to memory of 5084 2980 e19dadd70302e157d63758658c0f81b7fb8f008fc3448e4d7b0e776603deb6ac.exe 95 PID 2980 wrote to memory of 5084 2980 e19dadd70302e157d63758658c0f81b7fb8f008fc3448e4d7b0e776603deb6ac.exe 95 PID 2980 wrote to memory of 5084 2980 e19dadd70302e157d63758658c0f81b7fb8f008fc3448e4d7b0e776603deb6ac.exe 95 PID 2980 wrote to memory of 1884 2980 e19dadd70302e157d63758658c0f81b7fb8f008fc3448e4d7b0e776603deb6ac.exe 98 PID 2980 wrote to memory of 1884 2980 e19dadd70302e157d63758658c0f81b7fb8f008fc3448e4d7b0e776603deb6ac.exe 98 PID 1884 wrote to memory of 1328 1884 cmd.exe 100 PID 1884 wrote to memory of 1328 1884 cmd.exe 100 PID 2980 wrote to memory of 1044 2980 e19dadd70302e157d63758658c0f81b7fb8f008fc3448e4d7b0e776603deb6ac.exe 101 PID 2980 wrote to memory of 1044 2980 e19dadd70302e157d63758658c0f81b7fb8f008fc3448e4d7b0e776603deb6ac.exe 101 PID 2980 wrote to memory of 1044 2980 e19dadd70302e157d63758658c0f81b7fb8f008fc3448e4d7b0e776603deb6ac.exe 101 PID 2980 wrote to memory of 4076 2980 e19dadd70302e157d63758658c0f81b7fb8f008fc3448e4d7b0e776603deb6ac.exe 103 PID 2980 wrote to memory of 4076 2980 e19dadd70302e157d63758658c0f81b7fb8f008fc3448e4d7b0e776603deb6ac.exe 103 PID 2980 wrote to memory of 4076 2980 e19dadd70302e157d63758658c0f81b7fb8f008fc3448e4d7b0e776603deb6ac.exe 103 PID 2980 wrote to memory of 2612 2980 e19dadd70302e157d63758658c0f81b7fb8f008fc3448e4d7b0e776603deb6ac.exe 106 PID 2980 wrote to memory of 2612 2980 e19dadd70302e157d63758658c0f81b7fb8f008fc3448e4d7b0e776603deb6ac.exe 106 PID 2980 wrote to memory of 2612 2980 e19dadd70302e157d63758658c0f81b7fb8f008fc3448e4d7b0e776603deb6ac.exe 106 PID 2612 wrote to memory of 4128 2612 csrss.exe 107 PID 2612 wrote to memory of 4128 2612 csrss.exe 107 PID 2612 wrote to memory of 4128 2612 csrss.exe 107 PID 2612 wrote to memory of 5116 2612 csrss.exe 112 PID 2612 wrote to memory of 5116 2612 csrss.exe 112 PID 2612 wrote to memory of 5116 2612 csrss.exe 112 PID 2612 wrote to memory of 3692 2612 csrss.exe 115 PID 2612 wrote to memory of 3692 2612 csrss.exe 115 PID 2612 wrote to memory of 3692 2612 csrss.exe 115 PID 2612 wrote to memory of 4684 2612 csrss.exe 117 PID 2612 wrote to memory of 4684 2612 csrss.exe 117 PID 3016 wrote to memory of 4216 3016 windefender.exe 123 PID 3016 wrote to memory of 4216 3016 windefender.exe 123 PID 3016 wrote to memory of 4216 3016 windefender.exe 123 PID 4216 wrote to memory of 3840 4216 cmd.exe 124 PID 4216 wrote to memory of 3840 4216 cmd.exe 124 PID 4216 wrote to memory of 3840 4216 cmd.exe 124 -
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\e19dadd70302e157d63758658c0f81b7fb8f008fc3448e4d7b0e776603deb6ac.exe"C:\Users\Admin\AppData\Local\Temp\e19dadd70302e157d63758658c0f81b7fb8f008fc3448e4d7b0e776603deb6ac.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1664 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3316
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C:\Users\Admin\AppData\Local\Temp\e19dadd70302e157d63758658c0f81b7fb8f008fc3448e4d7b0e776603deb6ac.exe"C:\Users\Admin\AppData\Local\Temp\e19dadd70302e157d63758658c0f81b7fb8f008fc3448e4d7b0e776603deb6ac.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:2980 -
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:5084
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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:1884 -
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:1328
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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:1044
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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:4076
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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:2612 -
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:4128
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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:3728
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3552
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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:5116
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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:3692
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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
PID:4684
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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:3260
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3016 -
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:4216 -
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:3840
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4076
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cb6820af4dc76dcd9d6b0a7088a54dcf
SHA14c95da1d0efd0a1358dc567a7953b00d1470e9ac
SHA256fd03694aa1efed403092e96ff5a9e1020cfe3075200a1033471d4ec7f4c9230e
SHA512735af3d544ea5ac66634f8ae7f646ee34dc41597e5c39a05362ff83ddc54171fd989106a7611f208d1cf11c20f9df1f110133fa8aef9317a32e83053b8d8c0a7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e881271bce68e2a82b6752cdf28ab7aa
SHA139910f6d775173ff45866a118a55109dca377082
SHA25662468a6f44df29512dbe74fbfb06daf210c25ce4f6b66e6c6144e483dfcf0d19
SHA512cc50e3ddf1821f6974a448aef0b9851950b61d15405a552c4769545fd98151a03fc88d8197e2f02057859be9fca214fd71c2be9870b17a0a213a0d75ba914c05
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55eb89adadec9aa2eda6da70e672d5610
SHA14ace6e142f8e2dce8c48a0cc80e79338630a3c28
SHA2568932266409d71bf8731df67c971d18f02a64bcfcb0ad48724049a818be2d2cad
SHA5124848be09c871f2ee292d4bd478ee08332f7e6b50905c73f8ac763a79e57d3e78ba382679b90ab47c22eb4845cfb96f5314aa8d233113c30e3966b8671e575e99
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58870c8ec4c0535a2d0854845ac294a0a
SHA1193829bbdd6e6b3f1fbe29cbc539dc4f3d514e2d
SHA256f13370f7e3adcfc8d3678c1bb1241c661443e2d3156c408637385affb50a12eb
SHA512e02409f5401b0a5c8cd16217831f5679ef29e29efa9dd6f06d2dd74c1aa4e2487fcb14e28e765892340280765f4f3e35b09a35a36e3d7d6ca03cb766808ab799
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5354a8052e9e0de16d889e540af8f4cee
SHA1744c22b83e484c05957bce9c984081cbef11201a
SHA256711de8cfe608c833f8d456953fe5ae6fce5662009e5ce781c2c31e9ed4d7c745
SHA512bd025513a051976eadf081a9fd806f20e004fedea5284a1921fccb03ff7ebbfc8aacf2b5d8302673ce31927eda55304a177bb0a4243c9aca281f5bbd095c2c23
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Filesize
4.2MB
MD5e0b8864b94b6dcf187e0073395dada6e
SHA14a665e2fb1cac5526f90612c4042f64203e292a7
SHA256e19dadd70302e157d63758658c0f81b7fb8f008fc3448e4d7b0e776603deb6ac
SHA5129a2c4b26303703de44f389f4499b1dff2f13c6a05f41680b6a6bb5e6a882b6fb1c2506a65a4c093e745d2df837f0374fbf5185571c018dc8375f9b4b5c6be114
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec