Analysis
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max time kernel
149s -
max time network
131s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
17-05-2024 16:10
Static task
static1
Behavioral task
behavioral1
Sample
9c59370779e658107074f5d3b3467ffd982be68d1923321c908cda0757e65c7f.exe
Resource
win10v2004-20240508-en
General
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Target
9c59370779e658107074f5d3b3467ffd982be68d1923321c908cda0757e65c7f.exe
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Size
4.1MB
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MD5
b1bccbb9a72165c7f6571e7f8f7af7f4
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SHA1
179ebdc9957e6150071b091fc6a0d70e2cbf91fd
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SHA256
9c59370779e658107074f5d3b3467ffd982be68d1923321c908cda0757e65c7f
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SHA512
d722315fa7b3b2e79587e7a744692b70dac9da65f9b3477dedfc147ad9bac558d0d94b46c86485413cbb0561881b70d7eb34f2b4094f94d40e72d7ce3957d954
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SSDEEP
98304:8xfL9oyIkrku4AJMBJNRxIbk0RddEjk9Pc8cg301s2mGvJ:qRrVrv4XbNRWhj2o9k8f3CspGvJ
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral2/memory/4324-2-0x0000000004C40000-0x000000000552B000-memory.dmp family_glupteba behavioral2/memory/4324-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4324-52-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4324-53-0x0000000004C40000-0x000000000552B000-memory.dmp family_glupteba behavioral2/memory/4324-51-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4876-121-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4876-127-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1128-199-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1128-213-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1128-214-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1128-216-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1128-218-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1128-220-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1128-222-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1128-224-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1128-226-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1128-228-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1128-230-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1128-232-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1128-234-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4844 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1128 csrss.exe 4616 injector.exe 4700 windefender.exe 1656 windefender.exe -
resource yara_rule behavioral2/files/0x001a00000002ab47-208.dat upx behavioral2/memory/4700-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4700-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1656-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1656-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1656-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 9c59370779e658107074f5d3b3467ffd982be68d1923321c908cda0757e65c7f.exe Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
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 9c59370779e658107074f5d3b3467ffd982be68d1923321c908cda0757e65c7f.exe -
Drops file in Windows directory 4 IoCs
description ioc Process 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 9c59370779e658107074f5d3b3467ffd982be68d1923321c908cda0757e65c7f.exe File created C:\Windows\rss\csrss.exe 9c59370779e658107074f5d3b3467ffd982be68d1923321c908cda0757e65c7f.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 928 sc.exe -
pid Process 4628 powershell.exe 2380 powershell.exe 436 powershell.exe 2424 powershell.exe 2256 powershell.exe 3308 powershell.exe 1604 powershell.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 3124 4324 WerFault.exe 78 1104 4876 WerFault.exe 85 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1980 schtasks.exe 1908 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\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 9c59370779e658107074f5d3b3467ffd982be68d1923321c908cda0757e65c7f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" 9c59370779e658107074f5d3b3467ffd982be68d1923321c908cda0757e65c7f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" 9c59370779e658107074f5d3b3467ffd982be68d1923321c908cda0757e65c7f.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\Certificates powershell.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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 9c59370779e658107074f5d3b3467ffd982be68d1923321c908cda0757e65c7f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2002 = "Cabo Verde Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" 9c59370779e658107074f5d3b3467ffd982be68d1923321c908cda0757e65c7f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" 9c59370779e658107074f5d3b3467ffd982be68d1923321c908cda0757e65c7f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" 9c59370779e658107074f5d3b3467ffd982be68d1923321c908cda0757e65c7f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" 9c59370779e658107074f5d3b3467ffd982be68d1923321c908cda0757e65c7f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-962 = "Paraguay Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 9c59370779e658107074f5d3b3467ffd982be68d1923321c908cda0757e65c7f.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\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-252 = "Dateline Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 9c59370779e658107074f5d3b3467ffd982be68d1923321c908cda0757e65c7f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.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" 9c59370779e658107074f5d3b3467ffd982be68d1923321c908cda0757e65c7f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" 9c59370779e658107074f5d3b3467ffd982be68d1923321c908cda0757e65c7f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 9c59370779e658107074f5d3b3467ffd982be68d1923321c908cda0757e65c7f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" 9c59370779e658107074f5d3b3467ffd982be68d1923321c908cda0757e65c7f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople 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" 9c59370779e658107074f5d3b3467ffd982be68d1923321c908cda0757e65c7f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-161 = "Central Daylight 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,-2161 = "Altai Daylight Time" 9c59370779e658107074f5d3b3467ffd982be68d1923321c908cda0757e65c7f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 9c59370779e658107074f5d3b3467ffd982be68d1923321c908cda0757e65c7f.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-152 = "Central America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 9c59370779e658107074f5d3b3467ffd982be68d1923321c908cda0757e65c7f.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" 9c59370779e658107074f5d3b3467ffd982be68d1923321c908cda0757e65c7f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-572 = "China Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-832 = "SA Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" 9c59370779e658107074f5d3b3467ffd982be68d1923321c908cda0757e65c7f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" 9c59370779e658107074f5d3b3467ffd982be68d1923321c908cda0757e65c7f.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\IntranetName = "1" powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1604 powershell.exe 1604 powershell.exe 4324 9c59370779e658107074f5d3b3467ffd982be68d1923321c908cda0757e65c7f.exe 4324 9c59370779e658107074f5d3b3467ffd982be68d1923321c908cda0757e65c7f.exe 4628 powershell.exe 4628 powershell.exe 4876 9c59370779e658107074f5d3b3467ffd982be68d1923321c908cda0757e65c7f.exe 4876 9c59370779e658107074f5d3b3467ffd982be68d1923321c908cda0757e65c7f.exe 4876 9c59370779e658107074f5d3b3467ffd982be68d1923321c908cda0757e65c7f.exe 4876 9c59370779e658107074f5d3b3467ffd982be68d1923321c908cda0757e65c7f.exe 4876 9c59370779e658107074f5d3b3467ffd982be68d1923321c908cda0757e65c7f.exe 4876 9c59370779e658107074f5d3b3467ffd982be68d1923321c908cda0757e65c7f.exe 4876 9c59370779e658107074f5d3b3467ffd982be68d1923321c908cda0757e65c7f.exe 4876 9c59370779e658107074f5d3b3467ffd982be68d1923321c908cda0757e65c7f.exe 4876 9c59370779e658107074f5d3b3467ffd982be68d1923321c908cda0757e65c7f.exe 4876 9c59370779e658107074f5d3b3467ffd982be68d1923321c908cda0757e65c7f.exe 2380 powershell.exe 2380 powershell.exe 436 powershell.exe 436 powershell.exe 2424 powershell.exe 2424 powershell.exe 2256 powershell.exe 2256 powershell.exe 3308 powershell.exe 3308 powershell.exe 4616 injector.exe 4616 injector.exe 4616 injector.exe 4616 injector.exe 4616 injector.exe 4616 injector.exe 1128 csrss.exe 1128 csrss.exe 4616 injector.exe 4616 injector.exe 4616 injector.exe 4616 injector.exe 4616 injector.exe 4616 injector.exe 1128 csrss.exe 1128 csrss.exe 4616 injector.exe 4616 injector.exe 1128 csrss.exe 1128 csrss.exe 4616 injector.exe 4616 injector.exe 4616 injector.exe 4616 injector.exe 4616 injector.exe 4616 injector.exe 4616 injector.exe 4616 injector.exe 4616 injector.exe 4616 injector.exe 4616 injector.exe 4616 injector.exe 4616 injector.exe 4616 injector.exe 4616 injector.exe 4616 injector.exe 4616 injector.exe 4616 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1604 powershell.exe Token: SeDebugPrivilege 4324 9c59370779e658107074f5d3b3467ffd982be68d1923321c908cda0757e65c7f.exe Token: SeImpersonatePrivilege 4324 9c59370779e658107074f5d3b3467ffd982be68d1923321c908cda0757e65c7f.exe Token: SeDebugPrivilege 4628 powershell.exe Token: SeDebugPrivilege 2380 powershell.exe Token: SeDebugPrivilege 436 powershell.exe Token: SeDebugPrivilege 2424 powershell.exe Token: SeDebugPrivilege 2256 powershell.exe Token: SeDebugPrivilege 3308 powershell.exe Token: SeSystemEnvironmentPrivilege 1128 csrss.exe Token: SeSecurityPrivilege 928 sc.exe Token: SeSecurityPrivilege 928 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4324 wrote to memory of 1604 4324 9c59370779e658107074f5d3b3467ffd982be68d1923321c908cda0757e65c7f.exe 81 PID 4324 wrote to memory of 1604 4324 9c59370779e658107074f5d3b3467ffd982be68d1923321c908cda0757e65c7f.exe 81 PID 4324 wrote to memory of 1604 4324 9c59370779e658107074f5d3b3467ffd982be68d1923321c908cda0757e65c7f.exe 81 PID 4876 wrote to memory of 4628 4876 9c59370779e658107074f5d3b3467ffd982be68d1923321c908cda0757e65c7f.exe 89 PID 4876 wrote to memory of 4628 4876 9c59370779e658107074f5d3b3467ffd982be68d1923321c908cda0757e65c7f.exe 89 PID 4876 wrote to memory of 4628 4876 9c59370779e658107074f5d3b3467ffd982be68d1923321c908cda0757e65c7f.exe 89 PID 4876 wrote to memory of 4144 4876 9c59370779e658107074f5d3b3467ffd982be68d1923321c908cda0757e65c7f.exe 91 PID 4876 wrote to memory of 4144 4876 9c59370779e658107074f5d3b3467ffd982be68d1923321c908cda0757e65c7f.exe 91 PID 4144 wrote to memory of 4844 4144 cmd.exe 93 PID 4144 wrote to memory of 4844 4144 cmd.exe 93 PID 4876 wrote to memory of 2380 4876 9c59370779e658107074f5d3b3467ffd982be68d1923321c908cda0757e65c7f.exe 94 PID 4876 wrote to memory of 2380 4876 9c59370779e658107074f5d3b3467ffd982be68d1923321c908cda0757e65c7f.exe 94 PID 4876 wrote to memory of 2380 4876 9c59370779e658107074f5d3b3467ffd982be68d1923321c908cda0757e65c7f.exe 94 PID 4876 wrote to memory of 436 4876 9c59370779e658107074f5d3b3467ffd982be68d1923321c908cda0757e65c7f.exe 96 PID 4876 wrote to memory of 436 4876 9c59370779e658107074f5d3b3467ffd982be68d1923321c908cda0757e65c7f.exe 96 PID 4876 wrote to memory of 436 4876 9c59370779e658107074f5d3b3467ffd982be68d1923321c908cda0757e65c7f.exe 96 PID 4876 wrote to memory of 1128 4876 9c59370779e658107074f5d3b3467ffd982be68d1923321c908cda0757e65c7f.exe 98 PID 4876 wrote to memory of 1128 4876 9c59370779e658107074f5d3b3467ffd982be68d1923321c908cda0757e65c7f.exe 98 PID 4876 wrote to memory of 1128 4876 9c59370779e658107074f5d3b3467ffd982be68d1923321c908cda0757e65c7f.exe 98 PID 1128 wrote to memory of 2424 1128 csrss.exe 101 PID 1128 wrote to memory of 2424 1128 csrss.exe 101 PID 1128 wrote to memory of 2424 1128 csrss.exe 101 PID 1128 wrote to memory of 2256 1128 csrss.exe 106 PID 1128 wrote to memory of 2256 1128 csrss.exe 106 PID 1128 wrote to memory of 2256 1128 csrss.exe 106 PID 1128 wrote to memory of 3308 1128 csrss.exe 109 PID 1128 wrote to memory of 3308 1128 csrss.exe 109 PID 1128 wrote to memory of 3308 1128 csrss.exe 109 PID 1128 wrote to memory of 4616 1128 csrss.exe 111 PID 1128 wrote to memory of 4616 1128 csrss.exe 111 PID 4700 wrote to memory of 1512 4700 windefender.exe 117 PID 4700 wrote to memory of 1512 4700 windefender.exe 117 PID 4700 wrote to memory of 1512 4700 windefender.exe 117 PID 1512 wrote to memory of 928 1512 cmd.exe 118 PID 1512 wrote to memory of 928 1512 cmd.exe 118 PID 1512 wrote to memory of 928 1512 cmd.exe 118 -
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\9c59370779e658107074f5d3b3467ffd982be68d1923321c908cda0757e65c7f.exe"C:\Users\Admin\AppData\Local\Temp\9c59370779e658107074f5d3b3467ffd982be68d1923321c908cda0757e65c7f.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4324 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1604
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C:\Users\Admin\AppData\Local\Temp\9c59370779e658107074f5d3b3467ffd982be68d1923321c908cda0757e65c7f.exe"C:\Users\Admin\AppData\Local\Temp\9c59370779e658107074f5d3b3467ffd982be68d1923321c908cda0757e65c7f.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:4876 -
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:4628
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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:4144 -
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:4844
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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:2380
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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:436
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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:1128 -
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:2424
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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:1980
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3132
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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:2256
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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:3308
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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:4616
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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:1908
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4700 -
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:1512 -
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:928
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4876 -s 9203⤵
- Program crash
PID:1104
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4324 -s 9242⤵
- Program crash
PID:3124
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4324 -ip 43241⤵PID:1524
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4876 -ip 48761⤵PID:4708
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1656
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
MD5d217a3bf26aed16546b711ff2cbcabc5
SHA1c2b657fc748fab9b75324b2fdca537002ce3b571
SHA256c2c0bbeebc68fbbbebad021e4dbb49bc3c5d0dc4010bd5a2f359b5dc2bd6f1e9
SHA51264d89c25e54793fd5fd53c052de2a69b8e6922074d5dcdd0288707254edf66550b7197f8a90cab4951fab54ab5e51e63d94dae17a20997db3711262cb08c0ee1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5da84c6bbcffac7435ddad17bfb18faa6
SHA10290c19f116092dc600dc6eed551cff477f630ee
SHA256a20e5302dcdda6c1dc4065d9081c927bf927e1626ed9165e9132f31ec8a2be7d
SHA512c60ccf95a2e15863deb63fd614fda14d2315c28127d4c1c7516f2868082d4912503a4020e74cb46342c63f0e31b7bce1abeba91c7cfa48fc6ef68c9ca61d0b77
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a9b2a7a0abe0d6bcc53035bf42b2f4b5
SHA19118c48dfa19514446aacbedae95f225e4a48ab1
SHA25633a4ddff1f8bcebcfe9e868f1cc1ccc578e0e25f50820dfab9bad216b7c65505
SHA51212bcb008ca815465a6155644efe8dfd34f1ed086793a766b7d02f6c7fe84a4784da16da1e8596825060a53d4de69de5e7c7c37e4723f7d8d788a8f6933c561fe
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD520e8c4853fa28e582146713af879ee92
SHA12cc88840a535d882a19f170630df7f03fc30c4fb
SHA256219426e15e2b628fbd8910539f964d9c3204a5d721a94301fe74f5c82047d541
SHA512d46e31f742d07015161e6bc630fe0e460a6e1a2a56c28af813266b4279b94af7df837b82c1bc0eebef984d60317be5a7703b91540883741c5c7c2f57bcde4d39
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e2b15974c0ad97aa248b741ea118f828
SHA1627fbb667d2abffe6f1526ef629e22a2d6a18bf6
SHA256ce5b6552c8fc1dc4979e73c57ad6f5027932352b6e929672cb6a1620669719db
SHA512f8c7ae5135f1674e6dfc75b8a7e27b8ac2e9f0119cae97326878232a6d92d07844ca1f82ee368a2d6068fdd26eb2e61aea6d529a564618475d6cfe16c037a508
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Filesize
4.1MB
MD5b1bccbb9a72165c7f6571e7f8f7af7f4
SHA1179ebdc9957e6150071b091fc6a0d70e2cbf91fd
SHA2569c59370779e658107074f5d3b3467ffd982be68d1923321c908cda0757e65c7f
SHA512d722315fa7b3b2e79587e7a744692b70dac9da65f9b3477dedfc147ad9bac558d0d94b46c86485413cbb0561881b70d7eb34f2b4094f94d40e72d7ce3957d954
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec