Analysis
-
max time kernel
149s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
15-05-2024 15:21
Static task
static1
Behavioral task
behavioral1
Sample
b4b5fa43d2a42aece620df3061766d81d5c600e8e5bb16bbe63f2f1188e309e3.exe
Resource
win10v2004-20240426-en
General
-
Target
b4b5fa43d2a42aece620df3061766d81d5c600e8e5bb16bbe63f2f1188e309e3.exe
-
Size
4.1MB
-
MD5
6279216e2228696ce7ff2398f88b02bf
-
SHA1
70b0fe2d0f9b10829fc10cd4be39394330501695
-
SHA256
b4b5fa43d2a42aece620df3061766d81d5c600e8e5bb16bbe63f2f1188e309e3
-
SHA512
a50a70b89f61b04f5e6afa3920c3e3eeef50808d3c0c607e8c528a17925761c7cbd65ada9632d53c7ca470693ddca81ea59e3832664ebe7093918f830b9493b5
-
SSDEEP
98304:KoJ/zNpfNOjfVFQ/nccBDV6mYf0gdQtHi3wo8k3cC1G76/iJ:KgrNPOj9FQvccBDkmyddxD3VFiJ
Malware Config
Signatures
-
Glupteba payload 17 IoCs
resource yara_rule behavioral1/memory/816-2-0x0000000004D80000-0x000000000566B000-memory.dmp family_glupteba behavioral1/memory/816-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/816-54-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/816-57-0x0000000004D80000-0x000000000566B000-memory.dmp family_glupteba behavioral1/memory/816-58-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/816-59-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2468-132-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2468-140-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/768-214-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/768-225-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/768-233-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/768-237-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/768-241-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/768-245-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/768-249-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/768-253-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/768-257-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3720 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 768 csrss.exe 2516 injector.exe 4416 windefender.exe 4340 windefender.exe -
resource yara_rule behavioral1/files/0x000a0000000234a3-224.dat upx behavioral1/memory/4416-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4416-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4340-234-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4340-242-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" b4b5fa43d2a42aece620df3061766d81d5c600e8e5bb16bbe63f2f1188e309e3.exe Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\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.
-
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 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 -
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 b4b5fa43d2a42aece620df3061766d81d5c600e8e5bb16bbe63f2f1188e309e3.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss b4b5fa43d2a42aece620df3061766d81d5c600e8e5bb16bbe63f2f1188e309e3.exe File created C:\Windows\rss\csrss.exe b4b5fa43d2a42aece620df3061766d81d5c600e8e5bb16bbe63f2f1188e309e3.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1260 sc.exe -
pid Process 2312 powershell.exe 4352 powershell.exe 4972 powershell.exe 1032 powershell.exe 2116 powershell.exe 2456 powershell.exe 780 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4184 schtasks.exe 2892 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs 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,-81 = "Atlantic Daylight 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" b4b5fa43d2a42aece620df3061766d81d5c600e8e5bb16bbe63f2f1188e309e3.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" b4b5fa43d2a42aece620df3061766d81d5c600e8e5bb16bbe63f2f1188e309e3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs 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,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2772 = "Omsk Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-71 = "Newfoundland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" b4b5fa43d2a42aece620df3061766d81d5c600e8e5bb16bbe63f2f1188e309e3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" b4b5fa43d2a42aece620df3061766d81d5c600e8e5bb16bbe63f2f1188e309e3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" b4b5fa43d2a42aece620df3061766d81d5c600e8e5bb16bbe63f2f1188e309e3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" b4b5fa43d2a42aece620df3061766d81d5c600e8e5bb16bbe63f2f1188e309e3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" b4b5fa43d2a42aece620df3061766d81d5c600e8e5bb16bbe63f2f1188e309e3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" b4b5fa43d2a42aece620df3061766d81d5c600e8e5bb16bbe63f2f1188e309e3.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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" b4b5fa43d2a42aece620df3061766d81d5c600e8e5bb16bbe63f2f1188e309e3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" b4b5fa43d2a42aece620df3061766d81d5c600e8e5bb16bbe63f2f1188e309e3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-362 = "GTB Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" b4b5fa43d2a42aece620df3061766d81d5c600e8e5bb16bbe63f2f1188e309e3.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\@tzres.dll,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-365 = "Middle East Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight 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" b4b5fa43d2a42aece620df3061766d81d5c600e8e5bb16bbe63f2f1188e309e3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" b4b5fa43d2a42aece620df3061766d81d5c600e8e5bb16bbe63f2f1188e309e3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" b4b5fa43d2a42aece620df3061766d81d5c600e8e5bb16bbe63f2f1188e309e3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 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\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" b4b5fa43d2a42aece620df3061766d81d5c600e8e5bb16bbe63f2f1188e309e3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" b4b5fa43d2a42aece620df3061766d81d5c600e8e5bb16bbe63f2f1188e309e3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" b4b5fa43d2a42aece620df3061766d81d5c600e8e5bb16bbe63f2f1188e309e3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" b4b5fa43d2a42aece620df3061766d81d5c600e8e5bb16bbe63f2f1188e309e3.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,-732 = "Fiji Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" b4b5fa43d2a42aece620df3061766d81d5c600e8e5bb16bbe63f2f1188e309e3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-932 = "Coordinated Universal 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" b4b5fa43d2a42aece620df3061766d81d5c600e8e5bb16bbe63f2f1188e309e3.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4972 powershell.exe 4972 powershell.exe 816 b4b5fa43d2a42aece620df3061766d81d5c600e8e5bb16bbe63f2f1188e309e3.exe 816 b4b5fa43d2a42aece620df3061766d81d5c600e8e5bb16bbe63f2f1188e309e3.exe 1032 powershell.exe 1032 powershell.exe 2468 b4b5fa43d2a42aece620df3061766d81d5c600e8e5bb16bbe63f2f1188e309e3.exe 2468 b4b5fa43d2a42aece620df3061766d81d5c600e8e5bb16bbe63f2f1188e309e3.exe 2468 b4b5fa43d2a42aece620df3061766d81d5c600e8e5bb16bbe63f2f1188e309e3.exe 2468 b4b5fa43d2a42aece620df3061766d81d5c600e8e5bb16bbe63f2f1188e309e3.exe 2468 b4b5fa43d2a42aece620df3061766d81d5c600e8e5bb16bbe63f2f1188e309e3.exe 2468 b4b5fa43d2a42aece620df3061766d81d5c600e8e5bb16bbe63f2f1188e309e3.exe 2468 b4b5fa43d2a42aece620df3061766d81d5c600e8e5bb16bbe63f2f1188e309e3.exe 2468 b4b5fa43d2a42aece620df3061766d81d5c600e8e5bb16bbe63f2f1188e309e3.exe 2468 b4b5fa43d2a42aece620df3061766d81d5c600e8e5bb16bbe63f2f1188e309e3.exe 2468 b4b5fa43d2a42aece620df3061766d81d5c600e8e5bb16bbe63f2f1188e309e3.exe 2116 powershell.exe 2116 powershell.exe 2456 powershell.exe 2456 powershell.exe 780 powershell.exe 780 powershell.exe 2312 powershell.exe 2312 powershell.exe 4352 powershell.exe 4352 powershell.exe 2516 injector.exe 2516 injector.exe 2516 injector.exe 2516 injector.exe 2516 injector.exe 2516 injector.exe 768 csrss.exe 768 csrss.exe 2516 injector.exe 2516 injector.exe 2516 injector.exe 2516 injector.exe 2516 injector.exe 2516 injector.exe 768 csrss.exe 768 csrss.exe 2516 injector.exe 2516 injector.exe 768 csrss.exe 768 csrss.exe 2516 injector.exe 2516 injector.exe 2516 injector.exe 2516 injector.exe 2516 injector.exe 2516 injector.exe 2516 injector.exe 2516 injector.exe 2516 injector.exe 2516 injector.exe 2516 injector.exe 2516 injector.exe 2516 injector.exe 2516 injector.exe 2516 injector.exe 2516 injector.exe 2516 injector.exe 2516 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4972 powershell.exe Token: SeDebugPrivilege 816 b4b5fa43d2a42aece620df3061766d81d5c600e8e5bb16bbe63f2f1188e309e3.exe Token: SeImpersonatePrivilege 816 b4b5fa43d2a42aece620df3061766d81d5c600e8e5bb16bbe63f2f1188e309e3.exe Token: SeDebugPrivilege 1032 powershell.exe Token: SeDebugPrivilege 2116 powershell.exe Token: SeDebugPrivilege 2456 powershell.exe Token: SeDebugPrivilege 780 powershell.exe Token: SeDebugPrivilege 2312 powershell.exe Token: SeDebugPrivilege 4352 powershell.exe Token: SeSystemEnvironmentPrivilege 768 csrss.exe Token: SeSecurityPrivilege 1260 sc.exe Token: SeSecurityPrivilege 1260 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 816 wrote to memory of 4972 816 b4b5fa43d2a42aece620df3061766d81d5c600e8e5bb16bbe63f2f1188e309e3.exe 98 PID 816 wrote to memory of 4972 816 b4b5fa43d2a42aece620df3061766d81d5c600e8e5bb16bbe63f2f1188e309e3.exe 98 PID 816 wrote to memory of 4972 816 b4b5fa43d2a42aece620df3061766d81d5c600e8e5bb16bbe63f2f1188e309e3.exe 98 PID 2468 wrote to memory of 1032 2468 b4b5fa43d2a42aece620df3061766d81d5c600e8e5bb16bbe63f2f1188e309e3.exe 103 PID 2468 wrote to memory of 1032 2468 b4b5fa43d2a42aece620df3061766d81d5c600e8e5bb16bbe63f2f1188e309e3.exe 103 PID 2468 wrote to memory of 1032 2468 b4b5fa43d2a42aece620df3061766d81d5c600e8e5bb16bbe63f2f1188e309e3.exe 103 PID 2468 wrote to memory of 208 2468 b4b5fa43d2a42aece620df3061766d81d5c600e8e5bb16bbe63f2f1188e309e3.exe 106 PID 2468 wrote to memory of 208 2468 b4b5fa43d2a42aece620df3061766d81d5c600e8e5bb16bbe63f2f1188e309e3.exe 106 PID 208 wrote to memory of 3720 208 cmd.exe 108 PID 208 wrote to memory of 3720 208 cmd.exe 108 PID 2468 wrote to memory of 2116 2468 b4b5fa43d2a42aece620df3061766d81d5c600e8e5bb16bbe63f2f1188e309e3.exe 109 PID 2468 wrote to memory of 2116 2468 b4b5fa43d2a42aece620df3061766d81d5c600e8e5bb16bbe63f2f1188e309e3.exe 109 PID 2468 wrote to memory of 2116 2468 b4b5fa43d2a42aece620df3061766d81d5c600e8e5bb16bbe63f2f1188e309e3.exe 109 PID 2468 wrote to memory of 2456 2468 b4b5fa43d2a42aece620df3061766d81d5c600e8e5bb16bbe63f2f1188e309e3.exe 111 PID 2468 wrote to memory of 2456 2468 b4b5fa43d2a42aece620df3061766d81d5c600e8e5bb16bbe63f2f1188e309e3.exe 111 PID 2468 wrote to memory of 2456 2468 b4b5fa43d2a42aece620df3061766d81d5c600e8e5bb16bbe63f2f1188e309e3.exe 111 PID 2468 wrote to memory of 768 2468 b4b5fa43d2a42aece620df3061766d81d5c600e8e5bb16bbe63f2f1188e309e3.exe 113 PID 2468 wrote to memory of 768 2468 b4b5fa43d2a42aece620df3061766d81d5c600e8e5bb16bbe63f2f1188e309e3.exe 113 PID 2468 wrote to memory of 768 2468 b4b5fa43d2a42aece620df3061766d81d5c600e8e5bb16bbe63f2f1188e309e3.exe 113 PID 768 wrote to memory of 780 768 csrss.exe 114 PID 768 wrote to memory of 780 768 csrss.exe 114 PID 768 wrote to memory of 780 768 csrss.exe 114 PID 768 wrote to memory of 2312 768 csrss.exe 119 PID 768 wrote to memory of 2312 768 csrss.exe 119 PID 768 wrote to memory of 2312 768 csrss.exe 119 PID 768 wrote to memory of 4352 768 csrss.exe 122 PID 768 wrote to memory of 4352 768 csrss.exe 122 PID 768 wrote to memory of 4352 768 csrss.exe 122 PID 768 wrote to memory of 2516 768 csrss.exe 124 PID 768 wrote to memory of 2516 768 csrss.exe 124 PID 4416 wrote to memory of 3344 4416 windefender.exe 131 PID 4416 wrote to memory of 3344 4416 windefender.exe 131 PID 4416 wrote to memory of 3344 4416 windefender.exe 131 PID 3344 wrote to memory of 1260 3344 cmd.exe 132 PID 3344 wrote to memory of 1260 3344 cmd.exe 132 PID 3344 wrote to memory of 1260 3344 cmd.exe 132 -
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
-
C:\Users\Admin\AppData\Local\Temp\b4b5fa43d2a42aece620df3061766d81d5c600e8e5bb16bbe63f2f1188e309e3.exe"C:\Users\Admin\AppData\Local\Temp\b4b5fa43d2a42aece620df3061766d81d5c600e8e5bb16bbe63f2f1188e309e3.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:816 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4972
-
-
C:\Users\Admin\AppData\Local\Temp\b4b5fa43d2a42aece620df3061766d81d5c600e8e5bb16bbe63f2f1188e309e3.exe"C:\Users\Admin\AppData\Local\Temp\b4b5fa43d2a42aece620df3061766d81d5c600e8e5bb16bbe63f2f1188e309e3.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:2468 -
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:1032
-
-
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:208 -
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:3720
-
-
-
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:2116
-
-
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:2456
-
-
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:768 -
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:780
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4184
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3504
-
-
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:2312
-
-
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:4352
-
-
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:2516
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2892
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4416 -
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:3344 -
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:1260
-
-
-
-
-
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4340
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
Loading Replay Monitor...
Downloads
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
-
Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c20a9ed2c2987d48ffe333f7cf6bd6ae
SHA1f176e68712cf9da469bc92e9bf84f2159d0d2b19
SHA256f6ca628448cddb4b82c4776e1d0b712d1d7963c79f5b9e1ff1a3d3ab8a62c742
SHA5121e14a20769acb9f367733a3203986cd1b5d4927b806807ca787b4c4732cbba7d1788a1fe2a4fa6bbc7abf958d0ee3bd022c0be595510c1aa40d4346176d6e066
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c2eb8393b0a3333bb01fc19754762a66
SHA1a0648cd4adbd71e7662d0deabc2cde2a86729ea3
SHA2563a908f37a5162748b6821a36e6bfa32c81afdff0662056134f04ebff324a0ce5
SHA51204cd9e1a7c789b90a622c7c0b1625c98327441ccec9630d6d894ca493d2cc4024ebdb6159dbe849c4a5ed9856f6bd832d148fa6195a11871e296be38bfc6e0c1
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58f8ad433372dfb8a8eb861024a9e60bc
SHA100b278c1f080239d29389713b1a2726e740b3ea8
SHA2563af36d7839ce63b164dae98f463089f44062ce74291fa251edad6b628642171a
SHA512d823c9da20cf97d4e2d459fbd0af0b890129355d6e936009a327fb7eb2eed08dd6fc5f640d767f8dc00b909f28198c2538d0fd9f64fb90cfb2ee757aaf0bb675
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52e086c4f24cf1ad27ebe86f02e7570a6
SHA15d7e7165386775bc0173989e97c4aca30587d922
SHA256abf654b0d54e84991b9cf56fce08baa5f3898f864af4a53a673cb72187edfca1
SHA512fb5b19598e9098b087c0d6765e5500aebc4f348cd6f5f62845a66d61bcdbf2f29978274ab9c41a42f4aa42d8c3ea908ae3b8688f41ba27f9c53898bcd7168405
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5da8a2e49651c6d84297c0fa0786a6d74
SHA1c15fb3159d0cf3ca26844d81aaa87897978e52e5
SHA2561577ef32d372713956a24f4fe3fa791bcc4be3a1e26558251c9d73d2b7b2c94a
SHA512404a6f311f8ef3470af3edfc6d28d3dc67150755d10060f6ef2acbd7e37ef77a26f2d857a95ee71a499541d327f18c6d35e132d508c04e2b0efb33116204dcbc
-
Filesize
4.1MB
MD56279216e2228696ce7ff2398f88b02bf
SHA170b0fe2d0f9b10829fc10cd4be39394330501695
SHA256b4b5fa43d2a42aece620df3061766d81d5c600e8e5bb16bbe63f2f1188e309e3
SHA512a50a70b89f61b04f5e6afa3920c3e3eeef50808d3c0c607e8c528a17925761c7cbd65ada9632d53c7ca470693ddca81ea59e3832664ebe7093918f830b9493b5
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec