Analysis
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max time kernel
150s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
16/05/2024, 10:21
Static task
static1
Behavioral task
behavioral1
Sample
add7fae0e7fe64f0c31959e317bdecc7b640bf0a99065e2d277ac1827c1b3f99.exe
Resource
win10v2004-20240426-en
General
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Target
add7fae0e7fe64f0c31959e317bdecc7b640bf0a99065e2d277ac1827c1b3f99.exe
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Size
4.1MB
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MD5
aa887cfcfdce6d4fc8c1e660e79c9d20
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SHA1
250af7a7bacb40895084c5bc5ae29ca2bf116d73
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SHA256
add7fae0e7fe64f0c31959e317bdecc7b640bf0a99065e2d277ac1827c1b3f99
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SHA512
b51c288309137e33b41707890ba6d8a2788ea2220f43de27df45244633b02c70cbf0d1e3f39e1a7185600a5e90e27817d5c4872e3868769c0f7d173277aaa42b
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SSDEEP
98304:lBH5QtHgtXZGwxAeX68LG3wNCsYjHyiS0gsLIyJOWEFSdaDQG3a9ntu:lBZQtHgtXlxHq4G3ixkyiJTOnSQDy9nM
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/2528-2-0x0000000002E40000-0x000000000372B000-memory.dmp family_glupteba behavioral2/memory/2528-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2528-51-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2528-52-0x0000000002E40000-0x000000000372B000-memory.dmp family_glupteba behavioral2/memory/2644-54-0x0000000002A20000-0x0000000002E1C000-memory.dmp family_glupteba behavioral2/memory/2644-111-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2644-126-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3484-197-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3484-207-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3484-214-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3484-216-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3484-218-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3484-220-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3484-222-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3484-224-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3484-226-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3484-228-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3484-230-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3484-232-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1552 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3484 csrss.exe 2528 injector.exe 1188 windefender.exe 4208 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9ad-206.dat upx behavioral2/memory/1188-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4208-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1188-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4208-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4208-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" add7fae0e7fe64f0c31959e317bdecc7b640bf0a99065e2d277ac1827c1b3f99.exe Set value (str) \REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\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 add7fae0e7fe64f0c31959e317bdecc7b640bf0a99065e2d277ac1827c1b3f99.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss add7fae0e7fe64f0c31959e317bdecc7b640bf0a99065e2d277ac1827c1b3f99.exe File created C:\Windows\rss\csrss.exe add7fae0e7fe64f0c31959e317bdecc7b640bf0a99065e2d277ac1827c1b3f99.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 3264 sc.exe -
pid Process 4052 powershell.exe 4688 powershell.exe 3572 powershell.exe 3308 powershell.exe 4308 powershell.exe 2888 powershell.exe 4996 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 2340 schtasks.exe 1344 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,-435 = "Georgian Standard Time" add7fae0e7fe64f0c31959e317bdecc7b640bf0a99065e2d277ac1827c1b3f99.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates 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,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" add7fae0e7fe64f0c31959e317bdecc7b640bf0a99065e2d277ac1827c1b3f99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" add7fae0e7fe64f0c31959e317bdecc7b640bf0a99065e2d277ac1827c1b3f99.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-831 = "SA Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" add7fae0e7fe64f0c31959e317bdecc7b640bf0a99065e2d277ac1827c1b3f99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" add7fae0e7fe64f0c31959e317bdecc7b640bf0a99065e2d277ac1827c1b3f99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" add7fae0e7fe64f0c31959e317bdecc7b640bf0a99065e2d277ac1827c1b3f99.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" add7fae0e7fe64f0c31959e317bdecc7b640bf0a99065e2d277ac1827c1b3f99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" add7fae0e7fe64f0c31959e317bdecc7b640bf0a99065e2d277ac1827c1b3f99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" add7fae0e7fe64f0c31959e317bdecc7b640bf0a99065e2d277ac1827c1b3f99.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-361 = "GTB Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" add7fae0e7fe64f0c31959e317bdecc7b640bf0a99065e2d277ac1827c1b3f99.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" add7fae0e7fe64f0c31959e317bdecc7b640bf0a99065e2d277ac1827c1b3f99.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\@tzres.dll,-2061 = "North Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" add7fae0e7fe64f0c31959e317bdecc7b640bf0a99065e2d277ac1827c1b3f99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" add7fae0e7fe64f0c31959e317bdecc7b640bf0a99065e2d277ac1827c1b3f99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" add7fae0e7fe64f0c31959e317bdecc7b640bf0a99065e2d277ac1827c1b3f99.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\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,-335 = "Jordan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" add7fae0e7fe64f0c31959e317bdecc7b640bf0a99065e2d277ac1827c1b3f99.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.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,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-832 = "SA Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" add7fae0e7fe64f0c31959e317bdecc7b640bf0a99065e2d277ac1827c1b3f99.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\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.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" add7fae0e7fe64f0c31959e317bdecc7b640bf0a99065e2d277ac1827c1b3f99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" add7fae0e7fe64f0c31959e317bdecc7b640bf0a99065e2d277ac1827c1b3f99.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" add7fae0e7fe64f0c31959e317bdecc7b640bf0a99065e2d277ac1827c1b3f99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" add7fae0e7fe64f0c31959e317bdecc7b640bf0a99065e2d277ac1827c1b3f99.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2002 = "Cabo Verde Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3308 powershell.exe 3308 powershell.exe 2528 add7fae0e7fe64f0c31959e317bdecc7b640bf0a99065e2d277ac1827c1b3f99.exe 2528 add7fae0e7fe64f0c31959e317bdecc7b640bf0a99065e2d277ac1827c1b3f99.exe 4308 powershell.exe 4308 powershell.exe 2644 add7fae0e7fe64f0c31959e317bdecc7b640bf0a99065e2d277ac1827c1b3f99.exe 2644 add7fae0e7fe64f0c31959e317bdecc7b640bf0a99065e2d277ac1827c1b3f99.exe 2644 add7fae0e7fe64f0c31959e317bdecc7b640bf0a99065e2d277ac1827c1b3f99.exe 2644 add7fae0e7fe64f0c31959e317bdecc7b640bf0a99065e2d277ac1827c1b3f99.exe 2644 add7fae0e7fe64f0c31959e317bdecc7b640bf0a99065e2d277ac1827c1b3f99.exe 2644 add7fae0e7fe64f0c31959e317bdecc7b640bf0a99065e2d277ac1827c1b3f99.exe 2644 add7fae0e7fe64f0c31959e317bdecc7b640bf0a99065e2d277ac1827c1b3f99.exe 2644 add7fae0e7fe64f0c31959e317bdecc7b640bf0a99065e2d277ac1827c1b3f99.exe 2644 add7fae0e7fe64f0c31959e317bdecc7b640bf0a99065e2d277ac1827c1b3f99.exe 2644 add7fae0e7fe64f0c31959e317bdecc7b640bf0a99065e2d277ac1827c1b3f99.exe 2888 powershell.exe 2888 powershell.exe 4996 powershell.exe 4996 powershell.exe 4052 powershell.exe 4052 powershell.exe 4688 powershell.exe 4688 powershell.exe 3572 powershell.exe 3572 powershell.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 3484 csrss.exe 3484 csrss.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 3484 csrss.exe 3484 csrss.exe 2528 injector.exe 2528 injector.exe 3484 csrss.exe 3484 csrss.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe 2528 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3308 powershell.exe Token: SeDebugPrivilege 2528 add7fae0e7fe64f0c31959e317bdecc7b640bf0a99065e2d277ac1827c1b3f99.exe Token: SeImpersonatePrivilege 2528 add7fae0e7fe64f0c31959e317bdecc7b640bf0a99065e2d277ac1827c1b3f99.exe Token: SeDebugPrivilege 4308 powershell.exe Token: SeDebugPrivilege 2888 powershell.exe Token: SeDebugPrivilege 4996 powershell.exe Token: SeDebugPrivilege 4052 powershell.exe Token: SeDebugPrivilege 4688 powershell.exe Token: SeDebugPrivilege 3572 powershell.exe Token: SeSystemEnvironmentPrivilege 3484 csrss.exe Token: SeSecurityPrivilege 3264 sc.exe Token: SeSecurityPrivilege 3264 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2528 wrote to memory of 3308 2528 add7fae0e7fe64f0c31959e317bdecc7b640bf0a99065e2d277ac1827c1b3f99.exe 78 PID 2528 wrote to memory of 3308 2528 add7fae0e7fe64f0c31959e317bdecc7b640bf0a99065e2d277ac1827c1b3f99.exe 78 PID 2528 wrote to memory of 3308 2528 add7fae0e7fe64f0c31959e317bdecc7b640bf0a99065e2d277ac1827c1b3f99.exe 78 PID 2644 wrote to memory of 4308 2644 add7fae0e7fe64f0c31959e317bdecc7b640bf0a99065e2d277ac1827c1b3f99.exe 83 PID 2644 wrote to memory of 4308 2644 add7fae0e7fe64f0c31959e317bdecc7b640bf0a99065e2d277ac1827c1b3f99.exe 83 PID 2644 wrote to memory of 4308 2644 add7fae0e7fe64f0c31959e317bdecc7b640bf0a99065e2d277ac1827c1b3f99.exe 83 PID 2644 wrote to memory of 2736 2644 add7fae0e7fe64f0c31959e317bdecc7b640bf0a99065e2d277ac1827c1b3f99.exe 85 PID 2644 wrote to memory of 2736 2644 add7fae0e7fe64f0c31959e317bdecc7b640bf0a99065e2d277ac1827c1b3f99.exe 85 PID 2736 wrote to memory of 1552 2736 cmd.exe 87 PID 2736 wrote to memory of 1552 2736 cmd.exe 87 PID 2644 wrote to memory of 2888 2644 add7fae0e7fe64f0c31959e317bdecc7b640bf0a99065e2d277ac1827c1b3f99.exe 88 PID 2644 wrote to memory of 2888 2644 add7fae0e7fe64f0c31959e317bdecc7b640bf0a99065e2d277ac1827c1b3f99.exe 88 PID 2644 wrote to memory of 2888 2644 add7fae0e7fe64f0c31959e317bdecc7b640bf0a99065e2d277ac1827c1b3f99.exe 88 PID 2644 wrote to memory of 4996 2644 add7fae0e7fe64f0c31959e317bdecc7b640bf0a99065e2d277ac1827c1b3f99.exe 90 PID 2644 wrote to memory of 4996 2644 add7fae0e7fe64f0c31959e317bdecc7b640bf0a99065e2d277ac1827c1b3f99.exe 90 PID 2644 wrote to memory of 4996 2644 add7fae0e7fe64f0c31959e317bdecc7b640bf0a99065e2d277ac1827c1b3f99.exe 90 PID 2644 wrote to memory of 3484 2644 add7fae0e7fe64f0c31959e317bdecc7b640bf0a99065e2d277ac1827c1b3f99.exe 92 PID 2644 wrote to memory of 3484 2644 add7fae0e7fe64f0c31959e317bdecc7b640bf0a99065e2d277ac1827c1b3f99.exe 92 PID 2644 wrote to memory of 3484 2644 add7fae0e7fe64f0c31959e317bdecc7b640bf0a99065e2d277ac1827c1b3f99.exe 92 PID 3484 wrote to memory of 4052 3484 csrss.exe 93 PID 3484 wrote to memory of 4052 3484 csrss.exe 93 PID 3484 wrote to memory of 4052 3484 csrss.exe 93 PID 3484 wrote to memory of 4688 3484 csrss.exe 99 PID 3484 wrote to memory of 4688 3484 csrss.exe 99 PID 3484 wrote to memory of 4688 3484 csrss.exe 99 PID 3484 wrote to memory of 3572 3484 csrss.exe 101 PID 3484 wrote to memory of 3572 3484 csrss.exe 101 PID 3484 wrote to memory of 3572 3484 csrss.exe 101 PID 3484 wrote to memory of 2528 3484 csrss.exe 103 PID 3484 wrote to memory of 2528 3484 csrss.exe 103 PID 1188 wrote to memory of 3180 1188 windefender.exe 109 PID 1188 wrote to memory of 3180 1188 windefender.exe 109 PID 1188 wrote to memory of 3180 1188 windefender.exe 109 PID 3180 wrote to memory of 3264 3180 cmd.exe 110 PID 3180 wrote to memory of 3264 3180 cmd.exe 110 PID 3180 wrote to memory of 3264 3180 cmd.exe 110 -
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\add7fae0e7fe64f0c31959e317bdecc7b640bf0a99065e2d277ac1827c1b3f99.exe"C:\Users\Admin\AppData\Local\Temp\add7fae0e7fe64f0c31959e317bdecc7b640bf0a99065e2d277ac1827c1b3f99.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2528 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3308
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C:\Users\Admin\AppData\Local\Temp\add7fae0e7fe64f0c31959e317bdecc7b640bf0a99065e2d277ac1827c1b3f99.exe"C:\Users\Admin\AppData\Local\Temp\add7fae0e7fe64f0c31959e317bdecc7b640bf0a99065e2d277ac1827c1b3f99.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:2644 -
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:4308
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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:2736 -
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:1552
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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:2888
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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:4996
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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:3484 -
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:4052
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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:2340
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4804
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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:4688
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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:3572
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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:2528
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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:1344
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1188 -
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:3180 -
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:3264
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4208
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
MD5507ac14439da68443aeb53c1b8e30ae8
SHA19a1b32f06387890fbe8c7578305612fdd44a2567
SHA256e1e31fd823592012454a8b6da363e4e91d000171dd88347b55bcad6d9030a01c
SHA51277ff09c32f063e6c8f243ae20cee215764383b55116e2c2998aa296742e0af82e968e29c7612dc9de95ffd3d3ad82af22c32cd61f0dd386fcb9d47ff540cfe20
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fd6283757f1bb62b68b926904e6b24b0
SHA14610fb743afdb1766eec9fe4defbe27a4c4a461b
SHA256a79c8aeb999ead7565299e0b9957e4e91d36d265a658bfaca648837f04cbfe74
SHA512da58da4ec188504dc4b1e19c282e73a0446825288987896222e4b1fc5ff7974d0b5edbf2b01c58489a9c8a1a024b3d8d78a320ad4d26c3a315c2dfc8b2dfe399
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50205cce6540be77b80236ccc7fa22b7d
SHA19b7ae3aa7efb1f78c7564d18f3c3c2ad4ef6c8f3
SHA2562b8b2889cde00039c0db3f33a4d96628b39ab590f9214d20d984fe9bbddb34fe
SHA5120975e5748b00c11fb1cb3e090bbb8701c392ff910f10c93c103374293adce2e44bf50cc96acbb1f1e958d0eb34998d853fe69e45b98e3349b328829549e22bfc
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b02368121e82d8d474a5644b1723b5d8
SHA1c1faf102bf50322123bc93016f53d09d009641e0
SHA25656e8dff835406a3142aed714edad713796d451e12024767dd52e5803993daac6
SHA512e0dc97ef0989bc2248d56bb37e71ac24dbea64ecb4f47969d2765f87d309aac498b17a71cec7be949045c48a6bd407c0d032c7bf403abd2ff2a72487c4dc4c6c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5962a70ae430b2d9274b28646598a9955
SHA152e585c0a424778d4fe8f00fdb346c9a18d4d944
SHA2568a9f9de75bc2c6dc2989671586e577e03b8d7b443b45aa8f49e51178bc01f996
SHA512edaa13c6c3509cd5fd603df10c5a2b089431120114b64bfadc2d15f85ca0c35060ff29ceab404efa8b304e7201b5cc2cdfc5436e2ba361917d995da160f55d5f
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Filesize
4.1MB
MD5aa887cfcfdce6d4fc8c1e660e79c9d20
SHA1250af7a7bacb40895084c5bc5ae29ca2bf116d73
SHA256add7fae0e7fe64f0c31959e317bdecc7b640bf0a99065e2d277ac1827c1b3f99
SHA512b51c288309137e33b41707890ba6d8a2788ea2220f43de27df45244633b02c70cbf0d1e3f39e1a7185600a5e90e27817d5c4872e3868769c0f7d173277aaa42b
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec