Analysis
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max time kernel
149s -
max time network
132s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
11/05/2024, 14:32
Static task
static1
Behavioral task
behavioral1
Sample
92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe
Resource
win10v2004-20240426-en
General
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Target
92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe
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Size
4.1MB
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MD5
05ec8b0ca71b6361694c7f8f62cd9b67
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SHA1
43b25b8e89cba4d82386c3244c04380680f2d873
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SHA256
92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70
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SHA512
e69268d9a1603200683a1965a5d9dbcad3ea03bc5b6decdbc8c25a653c0763a53c11630bf5e8966ba4e2b969997389ba6626c0c87f60317875db3c8ba0c15cdd
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SSDEEP
98304:Fvk3KE87Zg8PM2ulELve/Kwh7mr5ruaseWQ6fvV7UOPIhnNP6XX:5v7Zg8025LGiRr5ruas3QSvFUzhnNgX
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/4428-2-0x0000000004A90000-0x000000000537B000-memory.dmp family_glupteba behavioral2/memory/4428-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4428-51-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral2/memory/4428-74-0x0000000004A90000-0x000000000537B000-memory.dmp family_glupteba behavioral2/memory/5056-125-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral2/memory/4428-128-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3708-201-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral2/memory/3708-206-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral2/memory/3708-213-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral2/memory/3708-216-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral2/memory/3708-219-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral2/memory/3708-222-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral2/memory/3708-225-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral2/memory/3708-228-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral2/memory/3708-231-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral2/memory/3708-234-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral2/memory/3708-237-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral2/memory/3708-240-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1028 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3708 csrss.exe 2968 injector.exe 3368 windefender.exe 3572 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa5e-204.dat upx behavioral2/memory/3368-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3368-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3572-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3572-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe Set value (str) \REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\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 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 -
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 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe File created C:\Windows\rss\csrss.exe 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.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 2408 sc.exe -
pid Process 1196 powershell.exe 2056 powershell.exe 3704 powershell.exe 988 powershell.exe 4240 powershell.exe 3292 powershell.exe 1560 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 4580 schtasks.exe 564 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.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,-912 = "Mauritius Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.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\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-461 = "Afghanistan 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\@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,-1892 = "Russia TZ 3 Standard Time" 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.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,-402 = "Arabic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\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,-362 = "GTB Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-132 = "US Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-331 = "E. Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.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,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs 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,-1972 = "Belarus 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" 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3052 = "Qyzylorda Standard 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" 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3292 powershell.exe 3292 powershell.exe 4428 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe 4428 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe 1560 powershell.exe 1560 powershell.exe 5056 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe 5056 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe 5056 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe 5056 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe 5056 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe 5056 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe 5056 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe 5056 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe 5056 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe 5056 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe 1196 powershell.exe 1196 powershell.exe 2056 powershell.exe 2056 powershell.exe 3704 powershell.exe 3704 powershell.exe 988 powershell.exe 988 powershell.exe 4240 powershell.exe 4240 powershell.exe 2968 injector.exe 2968 injector.exe 2968 injector.exe 2968 injector.exe 2968 injector.exe 2968 injector.exe 3708 csrss.exe 3708 csrss.exe 2968 injector.exe 2968 injector.exe 2968 injector.exe 2968 injector.exe 2968 injector.exe 2968 injector.exe 3708 csrss.exe 3708 csrss.exe 2968 injector.exe 2968 injector.exe 2968 injector.exe 2968 injector.exe 3708 csrss.exe 3708 csrss.exe 2968 injector.exe 2968 injector.exe 2968 injector.exe 2968 injector.exe 2968 injector.exe 2968 injector.exe 2968 injector.exe 2968 injector.exe 2968 injector.exe 2968 injector.exe 2968 injector.exe 2968 injector.exe 2968 injector.exe 2968 injector.exe 2968 injector.exe 2968 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3292 powershell.exe Token: SeDebugPrivilege 4428 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe Token: SeImpersonatePrivilege 4428 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe Token: SeDebugPrivilege 1560 powershell.exe Token: SeDebugPrivilege 1196 powershell.exe Token: SeDebugPrivilege 2056 powershell.exe Token: SeDebugPrivilege 3704 powershell.exe Token: SeDebugPrivilege 988 powershell.exe Token: SeDebugPrivilege 4240 powershell.exe Token: SeSystemEnvironmentPrivilege 3708 csrss.exe Token: SeSecurityPrivilege 2408 sc.exe Token: SeSecurityPrivilege 2408 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4428 wrote to memory of 3292 4428 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe 82 PID 4428 wrote to memory of 3292 4428 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe 82 PID 4428 wrote to memory of 3292 4428 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe 82 PID 5056 wrote to memory of 1560 5056 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe 87 PID 5056 wrote to memory of 1560 5056 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe 87 PID 5056 wrote to memory of 1560 5056 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe 87 PID 5056 wrote to memory of 2256 5056 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe 89 PID 5056 wrote to memory of 2256 5056 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe 89 PID 2256 wrote to memory of 1028 2256 cmd.exe 91 PID 2256 wrote to memory of 1028 2256 cmd.exe 91 PID 5056 wrote to memory of 1196 5056 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe 92 PID 5056 wrote to memory of 1196 5056 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe 92 PID 5056 wrote to memory of 1196 5056 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe 92 PID 5056 wrote to memory of 2056 5056 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe 94 PID 5056 wrote to memory of 2056 5056 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe 94 PID 5056 wrote to memory of 2056 5056 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe 94 PID 5056 wrote to memory of 3708 5056 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe 96 PID 5056 wrote to memory of 3708 5056 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe 96 PID 5056 wrote to memory of 3708 5056 92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe 96 PID 3708 wrote to memory of 3704 3708 csrss.exe 97 PID 3708 wrote to memory of 3704 3708 csrss.exe 97 PID 3708 wrote to memory of 3704 3708 csrss.exe 97 PID 3708 wrote to memory of 988 3708 csrss.exe 103 PID 3708 wrote to memory of 988 3708 csrss.exe 103 PID 3708 wrote to memory of 988 3708 csrss.exe 103 PID 3708 wrote to memory of 4240 3708 csrss.exe 105 PID 3708 wrote to memory of 4240 3708 csrss.exe 105 PID 3708 wrote to memory of 4240 3708 csrss.exe 105 PID 3708 wrote to memory of 2968 3708 csrss.exe 107 PID 3708 wrote to memory of 2968 3708 csrss.exe 107 PID 3368 wrote to memory of 1560 3368 windefender.exe 113 PID 3368 wrote to memory of 1560 3368 windefender.exe 113 PID 3368 wrote to memory of 1560 3368 windefender.exe 113 PID 1560 wrote to memory of 2408 1560 cmd.exe 114 PID 1560 wrote to memory of 2408 1560 cmd.exe 114 PID 1560 wrote to memory of 2408 1560 cmd.exe 114 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe"C:\Users\Admin\AppData\Local\Temp\92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4428 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3292
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C:\Users\Admin\AppData\Local\Temp\92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.exe"C:\Users\Admin\AppData\Local\Temp\92b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70.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:5056 -
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:1560
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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:2256 -
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:1028
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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:1196
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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:2056
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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:3708 -
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:3704
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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:4580
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4824
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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:988
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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:4240
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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:2968
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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:564
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3368 -
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:1560 -
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:2408
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3572
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
MD5ed8bd46b2f656deb1576c8f3cdf3c690
SHA1bc64175656d8473d6e9a54468f1e6782ecb92a04
SHA256a64f78ff8fa6a47abdbaab25f487dca9daed8a24986c5c8c3977ca2a76b662e6
SHA5123d8b19b755e4792bd97d4537e7acfe49983ead4f661db0896022eede17be1862bdfdfacbe6b97971056c996c24c440e4a47de04714e1337a0c1ed06720c5dbc4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51687f5eb3311021b056b6ef9c7382424
SHA1268f975bb6bc15e1b97a89666b679ea9b00cc874
SHA2560b97226482ee24c3558899c1618bb650c674e8a8db148cd694e38d75ff47ce70
SHA5122b0299346f3b03161de1ef72e27c7c38e3f563ea9c97ac7d3c4b139dcd5d435637727ab09e58a4f5ba62be718a11f37b0ec49a19eb0e1c2aac4ed980484f6b1b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD540839b9df7362d911674c98dac972087
SHA19d839043df19b91159b8300d60ace93ed5b679e8
SHA2564c3118e9257638efa21e33b984161c7b678a56433cdf3c6383794d1368c22f41
SHA51291ee51dabf00a331c597900fa8ed2148d43489fa5622f5190e0e20b910b04e4f723fb7d15925652101fe11b5125bb26e94f932cdf3d999553e757ab449f37367
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5247c814d03b00227e00b972142a2899d
SHA1b8a384b9ff9f55c72b2d34b56a3da831e2f628ed
SHA25688f0528450ed052f80200ece39d3caf6e239afdc22d547362814889894392151
SHA512a735478871c948facef082e8e50799fd02a6c6fc4fd00d4796fc80867951a71641c205810c563d3d210e270367ede940c40650671ef87b942605516110369778
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ceebd9546dc8ae3a1d084f6772777f84
SHA111fda754799866a6b0afa7a033478b892d841f3c
SHA256564971ab66bb030b1f698acfbad88baa0cae7df8b247311d3f5db23f67344085
SHA5127975b2560b320c2ff1689db8d24ff2e72e659c28e5830950d335643459e1bec6bb872a80113f7910c04c6729fa799a719b85b4b26a8811291effee98b95cf633
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Filesize
4.1MB
MD505ec8b0ca71b6361694c7f8f62cd9b67
SHA143b25b8e89cba4d82386c3244c04380680f2d873
SHA25692b8c5f8e9bbdb07b1d4609054ded0843b6c546814cb0c2c5adbe2e8c8334a70
SHA512e69268d9a1603200683a1965a5d9dbcad3ea03bc5b6decdbc8c25a653c0763a53c11630bf5e8966ba4e2b969997389ba6626c0c87f60317875db3c8ba0c15cdd
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec