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Analysis
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max time kernel
150s -
max time network
138s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
15/05/2024, 19:10
Static task
static1
Behavioral task
behavioral1
Sample
9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe
Resource
win10v2004-20240426-en
General
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Target
9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe
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Size
4.1MB
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MD5
f92616396b5bae0b0380eba94ac2cc6c
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SHA1
64211dc96cf6e97cff82ae56274d57b902f2629a
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SHA256
9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b
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SHA512
ff134d8a5cee9f07fe84cd2ecdac4ba137fb4143938fa98701ede49aa2b4c15f2c25a27c0edd9a05ad4c70384a758b52eb975db68f5e9dc9e67ea687d80b303e
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SSDEEP
98304:fvKhyQu49tHH7DRYDff1lXFitQcJyMhd8Y1m:fv8u49ZH7eDfxu9yMsEm
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/3692-2-0x0000000004C30000-0x000000000551B000-memory.dmp family_glupteba behavioral2/memory/3692-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3692-23-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/3692-54-0x0000000004C30000-0x000000000551B000-memory.dmp family_glupteba behavioral2/memory/3692-52-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/3692-75-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3704-80-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/3704-127-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4400-197-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4400-204-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4400-215-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4400-218-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4400-221-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4400-224-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4400-227-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4400-230-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4400-233-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4400-236-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 5036 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4400 csrss.exe 4552 injector.exe 4764 windefender.exe 2292 windefender.exe -
resource yara_rule behavioral2/files/0x001a00000002ab58-207.dat upx behavioral2/memory/4764-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2292-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4764-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2292-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2292-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.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 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.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 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe File created C:\Windows\rss\csrss.exe 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3820 sc.exe -
pid Process 4748 powershell.exe 3340 powershell.exe 632 powershell.exe 4088 powershell.exe 4676 powershell.exe 2024 powershell.exe 1912 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 3148 schtasks.exe 1596 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,-661 = "Cen. Australia Daylight Time" 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight 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" 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1721 = "Libya Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.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,-3052 = "Qyzylorda Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates 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\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\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,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 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,-449 = "Azerbaijan Standard Time" 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.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,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" windefender.exe 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\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.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\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.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,-562 = "SE Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-981 = "Kamchatka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-892 = "Morocco Standard 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" 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3340 powershell.exe 3340 powershell.exe 3692 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe 3692 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe 632 powershell.exe 632 powershell.exe 3704 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe 3704 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe 3704 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe 3704 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe 3704 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe 3704 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe 3704 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe 3704 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe 3704 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe 3704 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe 4088 powershell.exe 4088 powershell.exe 4676 powershell.exe 4676 powershell.exe 2024 powershell.exe 2024 powershell.exe 1912 powershell.exe 1912 powershell.exe 4748 powershell.exe 4748 powershell.exe 4552 injector.exe 4552 injector.exe 4552 injector.exe 4552 injector.exe 4552 injector.exe 4552 injector.exe 4400 csrss.exe 4400 csrss.exe 4552 injector.exe 4552 injector.exe 4552 injector.exe 4552 injector.exe 4552 injector.exe 4552 injector.exe 4400 csrss.exe 4400 csrss.exe 4552 injector.exe 4552 injector.exe 4400 csrss.exe 4400 csrss.exe 4552 injector.exe 4552 injector.exe 4552 injector.exe 4552 injector.exe 4552 injector.exe 4552 injector.exe 4552 injector.exe 4552 injector.exe 4552 injector.exe 4552 injector.exe 4552 injector.exe 4552 injector.exe 4552 injector.exe 4552 injector.exe 4552 injector.exe 4552 injector.exe 4552 injector.exe 4552 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3340 powershell.exe Token: SeDebugPrivilege 3692 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe Token: SeImpersonatePrivilege 3692 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe Token: SeDebugPrivilege 632 powershell.exe Token: SeDebugPrivilege 4088 powershell.exe Token: SeDebugPrivilege 4676 powershell.exe Token: SeDebugPrivilege 2024 powershell.exe Token: SeDebugPrivilege 1912 powershell.exe Token: SeDebugPrivilege 4748 powershell.exe Token: SeSystemEnvironmentPrivilege 4400 csrss.exe Token: SeSecurityPrivilege 3820 sc.exe Token: SeSecurityPrivilege 3820 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3692 wrote to memory of 3340 3692 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe 83 PID 3692 wrote to memory of 3340 3692 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe 83 PID 3692 wrote to memory of 3340 3692 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe 83 PID 3704 wrote to memory of 632 3704 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe 88 PID 3704 wrote to memory of 632 3704 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe 88 PID 3704 wrote to memory of 632 3704 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe 88 PID 3704 wrote to memory of 4336 3704 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe 90 PID 3704 wrote to memory of 4336 3704 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe 90 PID 4336 wrote to memory of 5036 4336 cmd.exe 92 PID 4336 wrote to memory of 5036 4336 cmd.exe 92 PID 3704 wrote to memory of 4088 3704 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe 93 PID 3704 wrote to memory of 4088 3704 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe 93 PID 3704 wrote to memory of 4088 3704 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe 93 PID 3704 wrote to memory of 4676 3704 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe 95 PID 3704 wrote to memory of 4676 3704 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe 95 PID 3704 wrote to memory of 4676 3704 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe 95 PID 3704 wrote to memory of 4400 3704 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe 97 PID 3704 wrote to memory of 4400 3704 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe 97 PID 3704 wrote to memory of 4400 3704 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe 97 PID 4400 wrote to memory of 2024 4400 csrss.exe 98 PID 4400 wrote to memory of 2024 4400 csrss.exe 98 PID 4400 wrote to memory of 2024 4400 csrss.exe 98 PID 4400 wrote to memory of 1912 4400 csrss.exe 104 PID 4400 wrote to memory of 1912 4400 csrss.exe 104 PID 4400 wrote to memory of 1912 4400 csrss.exe 104 PID 4400 wrote to memory of 4748 4400 csrss.exe 106 PID 4400 wrote to memory of 4748 4400 csrss.exe 106 PID 4400 wrote to memory of 4748 4400 csrss.exe 106 PID 4400 wrote to memory of 4552 4400 csrss.exe 108 PID 4400 wrote to memory of 4552 4400 csrss.exe 108 PID 4764 wrote to memory of 1628 4764 windefender.exe 114 PID 4764 wrote to memory of 1628 4764 windefender.exe 114 PID 4764 wrote to memory of 1628 4764 windefender.exe 114 PID 1628 wrote to memory of 3820 1628 cmd.exe 115 PID 1628 wrote to memory of 3820 1628 cmd.exe 115 PID 1628 wrote to memory of 3820 1628 cmd.exe 115 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe"C:\Users\Admin\AppData\Local\Temp\9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3692 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3340
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C:\Users\Admin\AppData\Local\Temp\9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe"C:\Users\Admin\AppData\Local\Temp\9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.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:3704 -
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:632
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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:4336 -
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:5036
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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:4088
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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:4676
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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:4400 -
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:2024
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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:3148
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2984
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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:1912
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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:4748
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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:4552
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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:1596
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4764 -
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:1628 -
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:3820
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2292
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
MD5220f4d5a08d86790a1e592fdd5e46870
SHA1cc1be7bd5bc439b861e6da947f22f6d80b53afba
SHA256add49cf4202a6108076c4498d6d03ff327c598a2c5b9949ecdaccab6955a2567
SHA51256293591d5844ee5277a157bce909b73ff936295d1db37c9ab809bf8df15efbab37fc0981fb4abfde47faa6995b790ab1d82adefb4ee0315529e689fe66d15ed
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5dc8ba1e4796c6ca39a3d7ccde8ec0cc2
SHA1a92f71bfb6492a72784a9c5625c4606a5c1a1ff3
SHA2565b2b91b810dcd0c3f4649b01b93175d74fa57e5b1e9cb8c7639d6cfa8dcb9f39
SHA512c0d54172e7c954729a360a4623eea5d0cda4fe4af3c74147810ab40b6b1df6468533b6b76019439c53bd3c6750fb2f3fcf9e50f5a0cb1ee6b87a0cb354dd7aea
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b3ce4424ac7f4447adf5baf203fbe973
SHA12e4e69a373b8395512fdb84d5fa1f151d0513e02
SHA256ae3cff4ffef85ee13e05eb2f92ab1f1fdf6aa94706266a79f075e3d24735f0b3
SHA512af1b3b8b44413ac038f642c5079af9ae72a89be85e1223d2e2c0e516e07a80c1654fecc16444bd52eba16bf74f32e6ad324f042e079cd79a3928b667523756ec
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e742567f97fe3a71e1107e7d20ef6c84
SHA13ea2711809cc023e27c0256f84adf7cc7e77a64f
SHA256383710cd4e6fd7bac8376be43283c3fbc0b758bced388830c04d295c4ae10e35
SHA51287d9da33448aa18b9814e5a205eb0885982e4ab998397340d76588e59281b6ebc49d88d49c0c3e8f47e4c7e9771e22e81cb259a318d98c1ffa667f9de17c7c5a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD575cc7c3f2340fa927b04106bf6aba3f6
SHA1ec4317e7cc8f7dee467b6cfe07a83ac98ea726ea
SHA2565817bf79136e14d2c18e0db9df24c61f0536478435a41ee6bb3d7b10daebd7cb
SHA512a3737ca5fa8904e00c89e8bc2d5395873adbc27c81ac5b887b1e515162423303489505bb625ef05e71d1ace69d31160bb8137b00da9c843ee741221b424a3a68
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Filesize
4.1MB
MD5f92616396b5bae0b0380eba94ac2cc6c
SHA164211dc96cf6e97cff82ae56274d57b902f2629a
SHA2569a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b
SHA512ff134d8a5cee9f07fe84cd2ecdac4ba137fb4143938fa98701ede49aa2b4c15f2c25a27c0edd9a05ad4c70384a758b52eb975db68f5e9dc9e67ea687d80b303e
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec