Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
16/05/2024, 15:48
Static task
static1
Behavioral task
behavioral1
Sample
39b4aee988d51830f280b9494464ca407b165e30e64d1f1dbe18cd37ec01be77.exe
Resource
win10v2004-20240508-en
General
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Target
39b4aee988d51830f280b9494464ca407b165e30e64d1f1dbe18cd37ec01be77.exe
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Size
4.1MB
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MD5
eebd746a771e4a486df57e532c4ddbf3
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SHA1
d2584aad8fb704611b07e909039f683ae9880de8
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SHA256
39b4aee988d51830f280b9494464ca407b165e30e64d1f1dbe18cd37ec01be77
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SHA512
75f21ff3ebcf17313c1053161b7325235ed00157d52076e020693e992bccf4e7966464d79a42d1eff3e9781ea442ba56835bbdcfa056852633e1e51563a3eb6d
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SSDEEP
98304:k3tbwrB0kIuN3D8bfUXVQCwP9Kpl7QJG8rgohSw8D2z60ht59X1:kdQIuMQA9oQJ/gXDC
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/2136-2-0x0000000002DD0000-0x00000000036BB000-memory.dmp family_glupteba behavioral1/memory/2136-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2136-57-0x0000000002DD0000-0x00000000036BB000-memory.dmp family_glupteba behavioral1/memory/2136-82-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3544-159-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3684-215-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3684-228-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3684-233-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3684-236-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3684-240-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3684-244-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3684-249-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3684-252-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3684-256-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3684-260-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3684-265-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3684-268-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3684-272-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3016 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3684 csrss.exe 2140 injector.exe 4956 windefender.exe 4828 windefender.exe -
resource yara_rule behavioral1/files/0x0009000000023411-220.dat upx behavioral1/memory/4956-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4828-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4956-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4828-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4828-238-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4828-250-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 39b4aee988d51830f280b9494464ca407b165e30e64d1f1dbe18cd37ec01be77.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\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 created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
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 39b4aee988d51830f280b9494464ca407b165e30e64d1f1dbe18cd37ec01be77.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 39b4aee988d51830f280b9494464ca407b165e30e64d1f1dbe18cd37ec01be77.exe File created C:\Windows\rss\csrss.exe 39b4aee988d51830f280b9494464ca407b165e30e64d1f1dbe18cd37ec01be77.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 4988 sc.exe -
pid Process 4640 powershell.exe 2652 powershell.exe 2592 powershell.exe 1032 powershell.exe 4976 powershell.exe 2888 powershell.exe 4348 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 100 schtasks.exe 3424 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,-12 = "Azores Standard Time" 39b4aee988d51830f280b9494464ca407b165e30e64d1f1dbe18cd37ec01be77.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2432 = "Cuba Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2892 = "Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 39b4aee988d51830f280b9494464ca407b165e30e64d1f1dbe18cd37ec01be77.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" 39b4aee988d51830f280b9494464ca407b165e30e64d1f1dbe18cd37ec01be77.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" 39b4aee988d51830f280b9494464ca407b165e30e64d1f1dbe18cd37ec01be77.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,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.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,-142 = "Canada Central Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@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,-2632 = "Norfolk Standard Time" 39b4aee988d51830f280b9494464ca407b165e30e64d1f1dbe18cd37ec01be77.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" 39b4aee988d51830f280b9494464ca407b165e30e64d1f1dbe18cd37ec01be77.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" 39b4aee988d51830f280b9494464ca407b165e30e64d1f1dbe18cd37ec01be77.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 39b4aee988d51830f280b9494464ca407b165e30e64d1f1dbe18cd37ec01be77.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" 39b4aee988d51830f280b9494464ca407b165e30e64d1f1dbe18cd37ec01be77.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates 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\@tzres.dll,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 39b4aee988d51830f280b9494464ca407b165e30e64d1f1dbe18cd37ec01be77.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 39b4aee988d51830f280b9494464ca407b165e30e64d1f1dbe18cd37ec01be77.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 39b4aee988d51830f280b9494464ca407b165e30e64d1f1dbe18cd37ec01be77.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" 39b4aee988d51830f280b9494464ca407b165e30e64d1f1dbe18cd37ec01be77.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-51 = "Greenland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" 39b4aee988d51830f280b9494464ca407b165e30e64d1f1dbe18cd37ec01be77.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.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,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.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\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 39b4aee988d51830f280b9494464ca407b165e30e64d1f1dbe18cd37ec01be77.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.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,-1412 = "Syria Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" 39b4aee988d51830f280b9494464ca407b165e30e64d1f1dbe18cd37ec01be77.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 39b4aee988d51830f280b9494464ca407b165e30e64d1f1dbe18cd37ec01be77.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-162 = "Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 39b4aee988d51830f280b9494464ca407b165e30e64d1f1dbe18cd37ec01be77.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 39b4aee988d51830f280b9494464ca407b165e30e64d1f1dbe18cd37ec01be77.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,-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,-52 = "Greenland Standard Time" 39b4aee988d51830f280b9494464ca407b165e30e64d1f1dbe18cd37ec01be77.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.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\@tzres.dll,-1411 = "Syria Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" 39b4aee988d51830f280b9494464ca407b165e30e64d1f1dbe18cd37ec01be77.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4640 powershell.exe 4640 powershell.exe 2136 39b4aee988d51830f280b9494464ca407b165e30e64d1f1dbe18cd37ec01be77.exe 2136 39b4aee988d51830f280b9494464ca407b165e30e64d1f1dbe18cd37ec01be77.exe 2652 powershell.exe 2652 powershell.exe 3544 39b4aee988d51830f280b9494464ca407b165e30e64d1f1dbe18cd37ec01be77.exe 3544 39b4aee988d51830f280b9494464ca407b165e30e64d1f1dbe18cd37ec01be77.exe 3544 39b4aee988d51830f280b9494464ca407b165e30e64d1f1dbe18cd37ec01be77.exe 3544 39b4aee988d51830f280b9494464ca407b165e30e64d1f1dbe18cd37ec01be77.exe 3544 39b4aee988d51830f280b9494464ca407b165e30e64d1f1dbe18cd37ec01be77.exe 3544 39b4aee988d51830f280b9494464ca407b165e30e64d1f1dbe18cd37ec01be77.exe 3544 39b4aee988d51830f280b9494464ca407b165e30e64d1f1dbe18cd37ec01be77.exe 3544 39b4aee988d51830f280b9494464ca407b165e30e64d1f1dbe18cd37ec01be77.exe 3544 39b4aee988d51830f280b9494464ca407b165e30e64d1f1dbe18cd37ec01be77.exe 3544 39b4aee988d51830f280b9494464ca407b165e30e64d1f1dbe18cd37ec01be77.exe 2592 powershell.exe 2592 powershell.exe 1032 powershell.exe 1032 powershell.exe 4976 powershell.exe 4976 powershell.exe 2888 powershell.exe 2888 powershell.exe 4348 powershell.exe 4348 powershell.exe 2140 injector.exe 2140 injector.exe 2140 injector.exe 2140 injector.exe 2140 injector.exe 2140 injector.exe 3684 csrss.exe 3684 csrss.exe 2140 injector.exe 2140 injector.exe 2140 injector.exe 2140 injector.exe 2140 injector.exe 2140 injector.exe 3684 csrss.exe 3684 csrss.exe 2140 injector.exe 2140 injector.exe 3684 csrss.exe 3684 csrss.exe 2140 injector.exe 2140 injector.exe 2140 injector.exe 2140 injector.exe 2140 injector.exe 2140 injector.exe 2140 injector.exe 2140 injector.exe 2140 injector.exe 2140 injector.exe 2140 injector.exe 2140 injector.exe 2140 injector.exe 2140 injector.exe 2140 injector.exe 2140 injector.exe 2140 injector.exe 2140 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4640 powershell.exe Token: SeDebugPrivilege 2136 39b4aee988d51830f280b9494464ca407b165e30e64d1f1dbe18cd37ec01be77.exe Token: SeImpersonatePrivilege 2136 39b4aee988d51830f280b9494464ca407b165e30e64d1f1dbe18cd37ec01be77.exe Token: SeDebugPrivilege 2652 powershell.exe Token: SeDebugPrivilege 2592 powershell.exe Token: SeDebugPrivilege 1032 powershell.exe Token: SeDebugPrivilege 4976 powershell.exe Token: SeDebugPrivilege 2888 powershell.exe Token: SeDebugPrivilege 4348 powershell.exe Token: SeSystemEnvironmentPrivilege 3684 csrss.exe Token: SeSecurityPrivilege 4988 sc.exe Token: SeSecurityPrivilege 4988 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2136 wrote to memory of 4640 2136 39b4aee988d51830f280b9494464ca407b165e30e64d1f1dbe18cd37ec01be77.exe 83 PID 2136 wrote to memory of 4640 2136 39b4aee988d51830f280b9494464ca407b165e30e64d1f1dbe18cd37ec01be77.exe 83 PID 2136 wrote to memory of 4640 2136 39b4aee988d51830f280b9494464ca407b165e30e64d1f1dbe18cd37ec01be77.exe 83 PID 3544 wrote to memory of 2652 3544 39b4aee988d51830f280b9494464ca407b165e30e64d1f1dbe18cd37ec01be77.exe 88 PID 3544 wrote to memory of 2652 3544 39b4aee988d51830f280b9494464ca407b165e30e64d1f1dbe18cd37ec01be77.exe 88 PID 3544 wrote to memory of 2652 3544 39b4aee988d51830f280b9494464ca407b165e30e64d1f1dbe18cd37ec01be77.exe 88 PID 3544 wrote to memory of 3208 3544 39b4aee988d51830f280b9494464ca407b165e30e64d1f1dbe18cd37ec01be77.exe 93 PID 3544 wrote to memory of 3208 3544 39b4aee988d51830f280b9494464ca407b165e30e64d1f1dbe18cd37ec01be77.exe 93 PID 3208 wrote to memory of 3016 3208 cmd.exe 95 PID 3208 wrote to memory of 3016 3208 cmd.exe 95 PID 3544 wrote to memory of 2592 3544 39b4aee988d51830f280b9494464ca407b165e30e64d1f1dbe18cd37ec01be77.exe 96 PID 3544 wrote to memory of 2592 3544 39b4aee988d51830f280b9494464ca407b165e30e64d1f1dbe18cd37ec01be77.exe 96 PID 3544 wrote to memory of 2592 3544 39b4aee988d51830f280b9494464ca407b165e30e64d1f1dbe18cd37ec01be77.exe 96 PID 3544 wrote to memory of 1032 3544 39b4aee988d51830f280b9494464ca407b165e30e64d1f1dbe18cd37ec01be77.exe 99 PID 3544 wrote to memory of 1032 3544 39b4aee988d51830f280b9494464ca407b165e30e64d1f1dbe18cd37ec01be77.exe 99 PID 3544 wrote to memory of 1032 3544 39b4aee988d51830f280b9494464ca407b165e30e64d1f1dbe18cd37ec01be77.exe 99 PID 3544 wrote to memory of 3684 3544 39b4aee988d51830f280b9494464ca407b165e30e64d1f1dbe18cd37ec01be77.exe 101 PID 3544 wrote to memory of 3684 3544 39b4aee988d51830f280b9494464ca407b165e30e64d1f1dbe18cd37ec01be77.exe 101 PID 3544 wrote to memory of 3684 3544 39b4aee988d51830f280b9494464ca407b165e30e64d1f1dbe18cd37ec01be77.exe 101 PID 3684 wrote to memory of 4976 3684 csrss.exe 103 PID 3684 wrote to memory of 4976 3684 csrss.exe 103 PID 3684 wrote to memory of 4976 3684 csrss.exe 103 PID 3684 wrote to memory of 2888 3684 csrss.exe 109 PID 3684 wrote to memory of 2888 3684 csrss.exe 109 PID 3684 wrote to memory of 2888 3684 csrss.exe 109 PID 3684 wrote to memory of 4348 3684 csrss.exe 111 PID 3684 wrote to memory of 4348 3684 csrss.exe 111 PID 3684 wrote to memory of 4348 3684 csrss.exe 111 PID 3684 wrote to memory of 2140 3684 csrss.exe 113 PID 3684 wrote to memory of 2140 3684 csrss.exe 113 PID 4956 wrote to memory of 4384 4956 windefender.exe 120 PID 4956 wrote to memory of 4384 4956 windefender.exe 120 PID 4956 wrote to memory of 4384 4956 windefender.exe 120 PID 4384 wrote to memory of 4988 4384 cmd.exe 121 PID 4384 wrote to memory of 4988 4384 cmd.exe 121 PID 4384 wrote to memory of 4988 4384 cmd.exe 121 -
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\39b4aee988d51830f280b9494464ca407b165e30e64d1f1dbe18cd37ec01be77.exe"C:\Users\Admin\AppData\Local\Temp\39b4aee988d51830f280b9494464ca407b165e30e64d1f1dbe18cd37ec01be77.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2136 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4640
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C:\Users\Admin\AppData\Local\Temp\39b4aee988d51830f280b9494464ca407b165e30e64d1f1dbe18cd37ec01be77.exe"C:\Users\Admin\AppData\Local\Temp\39b4aee988d51830f280b9494464ca407b165e30e64d1f1dbe18cd37ec01be77.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:3544 -
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:2652
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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:3208 -
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:3016
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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:2592
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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:1032
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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:3684 -
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:4976
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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:100
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3500
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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:2888
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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:4348
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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:2140
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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:3424
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4956 -
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:4384 -
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:4988
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4828
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD561efdfce06b1a082a0c317288823ff80
SHA12c33a29e9e435588486229dce173bb418f8ffd01
SHA25660d37e8e7bda1ef6d36c676dffa273edc89dd98bdceb0969758af8c502e0a4a0
SHA512fc86d18d705fcae21f1b2efa235d868cd58b4fbe87a996285ce34da05db902c046e3597ad189b7a6c8df842823886ee1492bfe7519a98120e9147aeebf1c4fe8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD521752837b6de0efb504aef7d892d5ab5
SHA16fb4a60a4514725dbae1f3a559c2f2cd8dd39c37
SHA2562bea96a2f661f4a944a8824e350283f9988b93be7c966b79b2e46577ba3e40f7
SHA5124eff1e9f6de3cffa2a2c20c364aa4aff7de1ca32a35f4d120a075ac15659f03d652bbfa053cf9182b1e202b5348a4cf17b7c9d22d456a8827cda43c242c28dcd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52dcab019bbe32e173bd220a6c1de5864
SHA18fbba2c9193968f471a60621769dd336cefa1fe6
SHA2565034de742dbe16d0e74044ee3def0269b5fa25ba7b2fab172a2e824206a471c0
SHA5126c0fbb85857753ebc564c1a315d0968c47130410224cd595a9e7ab9c04f6c0778f5c10d69cb073c1d8b67f3652c6622585fc4e0fbf35c28489fc677dd3edd4d2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a9d46b4d2aca1f2c4d9654d669572a04
SHA18ea3958d3d114ef63aa872027a540106879dea4a
SHA256b2fc43b759a45a04b4b746ec10d5b85c63a179292c844ad567cfafdbee609fdc
SHA512f19194c2b4be338241fd39c878fda98e373443f625774924ab2fa46fbf4b3a49ccfd57287530cdfd586d71d68a693cbd81838d8366b7e5cc41c3c6c337d7e89c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56dc4a9b5b632f205011a0e888cd2c627
SHA168ab68c15883d57072fd29a0003e5374ce92a3bc
SHA25660b05edc368718150be0d1ee57aea08bad9a1b504ee3165ae9616ad3e417df93
SHA512618645dcd187380b2b49a48813a0d0e825969253e04c6d9c71d5fc541de09c2ba364033e120fdd473b35b88bc2650e4a4137b61df5a06da7708bd4f40cec95aa
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Filesize
4.1MB
MD5eebd746a771e4a486df57e532c4ddbf3
SHA1d2584aad8fb704611b07e909039f683ae9880de8
SHA25639b4aee988d51830f280b9494464ca407b165e30e64d1f1dbe18cd37ec01be77
SHA51275f21ff3ebcf17313c1053161b7325235ed00157d52076e020693e992bccf4e7966464d79a42d1eff3e9781ea442ba56835bbdcfa056852633e1e51563a3eb6d
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec