Analysis
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max time kernel
149s -
max time network
153s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
01-05-2024 16:31
Static task
static1
Behavioral task
behavioral1
Sample
50480bca26354f2765e5c050225c78b4af2f1c180c1f50da6bc1f5dbf1309fe8.exe
Resource
win10v2004-20240419-en
General
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Target
50480bca26354f2765e5c050225c78b4af2f1c180c1f50da6bc1f5dbf1309fe8.exe
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Size
4.2MB
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MD5
8d81cf5e2800f8fc41f5f9c332bd48e0
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SHA1
5a5608d4c268396e74fe813e25bfb802b549f904
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SHA256
50480bca26354f2765e5c050225c78b4af2f1c180c1f50da6bc1f5dbf1309fe8
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SHA512
69b4cba8465ca3bcb54a8d3f4e6cba3a4eab0e2a00bb0675365759972c85c823521c4a913d7f87f1197655e2558748b28904c32c89e9161b1f8e40eec4801c5d
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SSDEEP
98304:t/JQ0p3x8E8SPoR4RNZx2D64gtjtYEI4STUr/55MSjm:t/JQ0pqEXPoR4RvU1gjYEIpeBOP
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/5068-2-0x00000000051C0000-0x0000000005AAB000-memory.dmp family_glupteba behavioral2/memory/5068-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5068-41-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/5068-73-0x00000000051C0000-0x0000000005AAB000-memory.dmp family_glupteba behavioral2/memory/5068-71-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/2172-88-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/5068-110-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2172-126-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/4884-148-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/4884-202-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/4884-207-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/4884-215-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/4884-218-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/4884-221-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/4884-224-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/4884-227-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/4884-230-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/4884-233-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/4884-236-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1196 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4884 csrss.exe 5032 injector.exe 2984 windefender.exe 1588 windefender.exe -
resource yara_rule behavioral2/files/0x001a00000002ab2a-206.dat upx behavioral2/memory/2984-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1588-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2984-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1588-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1588-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-734199974-1358367239-436541239-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 50480bca26354f2765e5c050225c78b4af2f1c180c1f50da6bc1f5dbf1309fe8.exe Set value (str) \REGISTRY\USER\S-1-5-21-734199974-1358367239-436541239-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 50480bca26354f2765e5c050225c78b4af2f1c180c1f50da6bc1f5dbf1309fe8.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 50480bca26354f2765e5c050225c78b4af2f1c180c1f50da6bc1f5dbf1309fe8.exe File created C:\Windows\rss\csrss.exe 50480bca26354f2765e5c050225c78b4af2f1c180c1f50da6bc1f5dbf1309fe8.exe File created 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 4004 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 5064 schtasks.exe 4484 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,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" 50480bca26354f2765e5c050225c78b4af2f1c180c1f50da6bc1f5dbf1309fe8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" 50480bca26354f2765e5c050225c78b4af2f1c180c1f50da6bc1f5dbf1309fe8.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\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" 50480bca26354f2765e5c050225c78b4af2f1c180c1f50da6bc1f5dbf1309fe8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" 50480bca26354f2765e5c050225c78b4af2f1c180c1f50da6bc1f5dbf1309fe8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 50480bca26354f2765e5c050225c78b4af2f1c180c1f50da6bc1f5dbf1309fe8.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\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" 50480bca26354f2765e5c050225c78b4af2f1c180c1f50da6bc1f5dbf1309fe8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs 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\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 50480bca26354f2765e5c050225c78b4af2f1c180c1f50da6bc1f5dbf1309fe8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 50480bca26354f2765e5c050225c78b4af2f1c180c1f50da6bc1f5dbf1309fe8.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,-301 = "Romance Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 50480bca26354f2765e5c050225c78b4af2f1c180c1f50da6bc1f5dbf1309fe8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 50480bca26354f2765e5c050225c78b4af2f1c180c1f50da6bc1f5dbf1309fe8.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,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 50480bca26354f2765e5c050225c78b4af2f1c180c1f50da6bc1f5dbf1309fe8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 50480bca26354f2765e5c050225c78b4af2f1c180c1f50da6bc1f5dbf1309fe8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 50480bca26354f2765e5c050225c78b4af2f1c180c1f50da6bc1f5dbf1309fe8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\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\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" 50480bca26354f2765e5c050225c78b4af2f1c180c1f50da6bc1f5dbf1309fe8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" 50480bca26354f2765e5c050225c78b4af2f1c180c1f50da6bc1f5dbf1309fe8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 50480bca26354f2765e5c050225c78b4af2f1c180c1f50da6bc1f5dbf1309fe8.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,-372 = "Jerusalem Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-402 = "Arabic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2432 = "Cuba Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 50480bca26354f2765e5c050225c78b4af2f1c180c1f50da6bc1f5dbf1309fe8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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,-1932 = "Russia TZ 11 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 50480bca26354f2765e5c050225c78b4af2f1c180c1f50da6bc1f5dbf1309fe8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 50480bca26354f2765e5c050225c78b4af2f1c180c1f50da6bc1f5dbf1309fe8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.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,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 50480bca26354f2765e5c050225c78b4af2f1c180c1f50da6bc1f5dbf1309fe8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 50480bca26354f2765e5c050225c78b4af2f1c180c1f50da6bc1f5dbf1309fe8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 568 powershell.exe 568 powershell.exe 5068 50480bca26354f2765e5c050225c78b4af2f1c180c1f50da6bc1f5dbf1309fe8.exe 5068 50480bca26354f2765e5c050225c78b4af2f1c180c1f50da6bc1f5dbf1309fe8.exe 2476 powershell.exe 2476 powershell.exe 2172 50480bca26354f2765e5c050225c78b4af2f1c180c1f50da6bc1f5dbf1309fe8.exe 2172 50480bca26354f2765e5c050225c78b4af2f1c180c1f50da6bc1f5dbf1309fe8.exe 2172 50480bca26354f2765e5c050225c78b4af2f1c180c1f50da6bc1f5dbf1309fe8.exe 2172 50480bca26354f2765e5c050225c78b4af2f1c180c1f50da6bc1f5dbf1309fe8.exe 2172 50480bca26354f2765e5c050225c78b4af2f1c180c1f50da6bc1f5dbf1309fe8.exe 2172 50480bca26354f2765e5c050225c78b4af2f1c180c1f50da6bc1f5dbf1309fe8.exe 2172 50480bca26354f2765e5c050225c78b4af2f1c180c1f50da6bc1f5dbf1309fe8.exe 2172 50480bca26354f2765e5c050225c78b4af2f1c180c1f50da6bc1f5dbf1309fe8.exe 2172 50480bca26354f2765e5c050225c78b4af2f1c180c1f50da6bc1f5dbf1309fe8.exe 2172 50480bca26354f2765e5c050225c78b4af2f1c180c1f50da6bc1f5dbf1309fe8.exe 4900 powershell.exe 4900 powershell.exe 1932 powershell.exe 1932 powershell.exe 4560 powershell.exe 4560 powershell.exe 2456 powershell.exe 2456 powershell.exe 2676 powershell.exe 2676 powershell.exe 5032 injector.exe 5032 injector.exe 5032 injector.exe 5032 injector.exe 5032 injector.exe 5032 injector.exe 4884 csrss.exe 4884 csrss.exe 5032 injector.exe 5032 injector.exe 5032 injector.exe 5032 injector.exe 5032 injector.exe 5032 injector.exe 4884 csrss.exe 4884 csrss.exe 5032 injector.exe 5032 injector.exe 5032 injector.exe 5032 injector.exe 5032 injector.exe 5032 injector.exe 5032 injector.exe 5032 injector.exe 5032 injector.exe 5032 injector.exe 4884 csrss.exe 4884 csrss.exe 5032 injector.exe 5032 injector.exe 5032 injector.exe 5032 injector.exe 5032 injector.exe 5032 injector.exe 5032 injector.exe 5032 injector.exe 5032 injector.exe 5032 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 568 powershell.exe Token: SeDebugPrivilege 5068 50480bca26354f2765e5c050225c78b4af2f1c180c1f50da6bc1f5dbf1309fe8.exe Token: SeImpersonatePrivilege 5068 50480bca26354f2765e5c050225c78b4af2f1c180c1f50da6bc1f5dbf1309fe8.exe Token: SeDebugPrivilege 2476 powershell.exe Token: SeDebugPrivilege 4900 powershell.exe Token: SeDebugPrivilege 1932 powershell.exe Token: SeDebugPrivilege 4560 powershell.exe Token: SeDebugPrivilege 2456 powershell.exe Token: SeDebugPrivilege 2676 powershell.exe Token: SeSystemEnvironmentPrivilege 4884 csrss.exe Token: SeSecurityPrivilege 4004 sc.exe Token: SeSecurityPrivilege 4004 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 5068 wrote to memory of 568 5068 50480bca26354f2765e5c050225c78b4af2f1c180c1f50da6bc1f5dbf1309fe8.exe 82 PID 5068 wrote to memory of 568 5068 50480bca26354f2765e5c050225c78b4af2f1c180c1f50da6bc1f5dbf1309fe8.exe 82 PID 5068 wrote to memory of 568 5068 50480bca26354f2765e5c050225c78b4af2f1c180c1f50da6bc1f5dbf1309fe8.exe 82 PID 2172 wrote to memory of 2476 2172 50480bca26354f2765e5c050225c78b4af2f1c180c1f50da6bc1f5dbf1309fe8.exe 87 PID 2172 wrote to memory of 2476 2172 50480bca26354f2765e5c050225c78b4af2f1c180c1f50da6bc1f5dbf1309fe8.exe 87 PID 2172 wrote to memory of 2476 2172 50480bca26354f2765e5c050225c78b4af2f1c180c1f50da6bc1f5dbf1309fe8.exe 87 PID 2172 wrote to memory of 2316 2172 50480bca26354f2765e5c050225c78b4af2f1c180c1f50da6bc1f5dbf1309fe8.exe 89 PID 2172 wrote to memory of 2316 2172 50480bca26354f2765e5c050225c78b4af2f1c180c1f50da6bc1f5dbf1309fe8.exe 89 PID 2316 wrote to memory of 1196 2316 cmd.exe 91 PID 2316 wrote to memory of 1196 2316 cmd.exe 91 PID 2172 wrote to memory of 4900 2172 50480bca26354f2765e5c050225c78b4af2f1c180c1f50da6bc1f5dbf1309fe8.exe 92 PID 2172 wrote to memory of 4900 2172 50480bca26354f2765e5c050225c78b4af2f1c180c1f50da6bc1f5dbf1309fe8.exe 92 PID 2172 wrote to memory of 4900 2172 50480bca26354f2765e5c050225c78b4af2f1c180c1f50da6bc1f5dbf1309fe8.exe 92 PID 2172 wrote to memory of 1932 2172 50480bca26354f2765e5c050225c78b4af2f1c180c1f50da6bc1f5dbf1309fe8.exe 94 PID 2172 wrote to memory of 1932 2172 50480bca26354f2765e5c050225c78b4af2f1c180c1f50da6bc1f5dbf1309fe8.exe 94 PID 2172 wrote to memory of 1932 2172 50480bca26354f2765e5c050225c78b4af2f1c180c1f50da6bc1f5dbf1309fe8.exe 94 PID 2172 wrote to memory of 4884 2172 50480bca26354f2765e5c050225c78b4af2f1c180c1f50da6bc1f5dbf1309fe8.exe 96 PID 2172 wrote to memory of 4884 2172 50480bca26354f2765e5c050225c78b4af2f1c180c1f50da6bc1f5dbf1309fe8.exe 96 PID 2172 wrote to memory of 4884 2172 50480bca26354f2765e5c050225c78b4af2f1c180c1f50da6bc1f5dbf1309fe8.exe 96 PID 4884 wrote to memory of 4560 4884 csrss.exe 97 PID 4884 wrote to memory of 4560 4884 csrss.exe 97 PID 4884 wrote to memory of 4560 4884 csrss.exe 97 PID 4884 wrote to memory of 2456 4884 csrss.exe 102 PID 4884 wrote to memory of 2456 4884 csrss.exe 102 PID 4884 wrote to memory of 2456 4884 csrss.exe 102 PID 4884 wrote to memory of 2676 4884 csrss.exe 105 PID 4884 wrote to memory of 2676 4884 csrss.exe 105 PID 4884 wrote to memory of 2676 4884 csrss.exe 105 PID 4884 wrote to memory of 5032 4884 csrss.exe 107 PID 4884 wrote to memory of 5032 4884 csrss.exe 107 PID 2984 wrote to memory of 564 2984 windefender.exe 113 PID 2984 wrote to memory of 564 2984 windefender.exe 113 PID 2984 wrote to memory of 564 2984 windefender.exe 113 PID 564 wrote to memory of 4004 564 cmd.exe 114 PID 564 wrote to memory of 4004 564 cmd.exe 114 PID 564 wrote to memory of 4004 564 cmd.exe 114 -
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\50480bca26354f2765e5c050225c78b4af2f1c180c1f50da6bc1f5dbf1309fe8.exe"C:\Users\Admin\AppData\Local\Temp\50480bca26354f2765e5c050225c78b4af2f1c180c1f50da6bc1f5dbf1309fe8.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5068 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:568
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C:\Users\Admin\AppData\Local\Temp\50480bca26354f2765e5c050225c78b4af2f1c180c1f50da6bc1f5dbf1309fe8.exe"C:\Users\Admin\AppData\Local\Temp\50480bca26354f2765e5c050225c78b4af2f1c180c1f50da6bc1f5dbf1309fe8.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:2172 -
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:2476
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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:2316 -
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:1196
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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:4900
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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:1932
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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:4884 -
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:4560
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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:5064
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4960
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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:2456
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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:2676
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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:5032
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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:4484
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2984 -
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:564 -
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:4004
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1588
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
MD5e932739dc1889e12aa830bbb4a64fde0
SHA10a7ced8e2fed4fe9f4637ae46f7d54756e8d23b2
SHA25620ed581e8f8d356728d664b64a0e8b3d67a733c9941b2c35928ab5f845e9cd8c
SHA51226e41e1ec7be4e9eb2802e5819f92782646ada3a524acfac4c29c7d8aca8942cb3748de6529405c6b4db346ee38c6744d9d3bdedae76f3960f9310410298e950
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5dbf0b48e78d4474d9451a3283e27998a
SHA1b8da617c6b923a44db47faef34ba5b708a28ffd2
SHA256c1e19f938b319641676310dfe685acf293de826b3cd70803c247aaabb81f693f
SHA5121c19f351f0a15d7900c0ff6a7921b3f28d49fabb1c610d1783adc167532bcf1342110542363feb55f207ce47ba67c7427991cb8f691ea7e6e546d2cabe651cb9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5337f010372335a4816b433da5e903e98
SHA117839d33312d6a032b6a2947b3b5f75debd437cc
SHA256251f78a37c34b0be08d489bc2765bffa8c80ceddc58808f8c17e470df5782e5c
SHA512a8464b3c517141594e847f526595805c37b110b7197ff077a04c9199dab2a02d7ca5c132be7284b2467812c866985d48e6716f29008811cf91fdbdb910a2f624
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53905ab50031fe6c2c7fd818499782a37
SHA1289fe641ffce1534b0b51037a04761e7ec52a054
SHA2567ed49c19bff4db1253925af69d02f35f1904d1b151f6fdf21d988530acef996a
SHA5123622d16f82b0b5f8450415545804898e60b5550d48da52b87e99642ec6d65ac4fb49d2975fe481919a57a8fd1efe6a5eaf8f936ca093546d58c83ff5418eab38
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cd18a7881cfae6826b52ee99c6145182
SHA1c41f8a362ed7bcf7d49c28655402ddaa7ba541f8
SHA2569464631103e48fa41d76b802c8b334e8785a3a350d89d294eff534bb1bc548d1
SHA5121ec5e3055ebadb41f14334ed6d4d64fad7ed752b308c514359bea3c93e6a988df25b2cf843b95a8849bd80cf251b5bb7fa011a17c2c5d57ed5ae80e0c62f9f92
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Filesize
4.2MB
MD58d81cf5e2800f8fc41f5f9c332bd48e0
SHA15a5608d4c268396e74fe813e25bfb802b549f904
SHA25650480bca26354f2765e5c050225c78b4af2f1c180c1f50da6bc1f5dbf1309fe8
SHA51269b4cba8465ca3bcb54a8d3f4e6cba3a4eab0e2a00bb0675365759972c85c823521c4a913d7f87f1197655e2558748b28904c32c89e9161b1f8e40eec4801c5d
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec