Analysis
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max time kernel
143s -
max time network
149s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
17-05-2024 19:27
Static task
static1
Behavioral task
behavioral1
Sample
d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe
Resource
win10v2004-20240426-en
General
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Target
d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe
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Size
4.1MB
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MD5
a0f8e6fd89c8db8c6c2ac9dd7a614d23
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SHA1
10395f3b8b660b20f6e64e0bcefa6c7056efab1e
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SHA256
d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4
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SHA512
fe106276efd9104f61473cb4db335252bcef11cc2c9e34c81705b74ef6f72bca9267157a8210d236608c70b22458741faa3296d8ab5218f2b034a7dfd3424556
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SSDEEP
98304:KZ3eWnmCP3Day+MGMrrH7Rp/OOmeNALbhxcJ3GFuqO9B+e2R0FJZ:QufQJ+wrvRp/OL3LVxY3GFuq2BkwJZ
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral2/memory/3372-2-0x0000000004E10000-0x00000000056FB000-memory.dmp family_glupteba behavioral2/memory/3372-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3372-53-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3372-54-0x0000000004E10000-0x00000000056FB000-memory.dmp family_glupteba behavioral2/memory/3372-51-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4984-124-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1920-202-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1920-211-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1920-212-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1920-214-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1920-216-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1920-218-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1920-220-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1920-223-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1920-224-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1920-226-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1920-228-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3448 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1920 csrss.exe 4412 injector.exe 4132 windefender.exe 1556 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa39-205.dat upx behavioral2/memory/4132-206-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1556-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4132-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1556-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1556-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1556-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe Set value (str) \REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\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 created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe 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 d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe File created C:\Windows\rss\csrss.exe d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.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 4896 sc.exe -
pid Process 3684 powershell.exe 420 powershell.exe 2396 powershell.exe 1000 powershell.exe 5016 powershell.exe 3412 powershell.exe 5012 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 4820 schtasks.exe 3232 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,-1972 = "Belarus Standard Time" d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.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,-365 = "Middle East Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-112 = "Eastern Standard 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" d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1661 = "Bahia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.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,-672 = "AUS Eastern Standard 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,-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,-682 = "E. Australia Standard Time" d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-572 = "China Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-602 = "Taipei Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.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\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.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\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-461 = "Afghanistan Daylight 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" d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-981 = "Kamchatka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5016 powershell.exe 5016 powershell.exe 3372 d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe 3372 d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe 3412 powershell.exe 3412 powershell.exe 4984 d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe 4984 d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe 4984 d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe 4984 d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe 4984 d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe 4984 d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe 4984 d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe 4984 d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe 4984 d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe 4984 d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe 5012 powershell.exe 5012 powershell.exe 3684 powershell.exe 3684 powershell.exe 420 powershell.exe 420 powershell.exe 2396 powershell.exe 2396 powershell.exe 1000 powershell.exe 1000 powershell.exe 4412 injector.exe 4412 injector.exe 4412 injector.exe 4412 injector.exe 4412 injector.exe 4412 injector.exe 4412 injector.exe 4412 injector.exe 1920 csrss.exe 1920 csrss.exe 4412 injector.exe 4412 injector.exe 4412 injector.exe 4412 injector.exe 1920 csrss.exe 1920 csrss.exe 4412 injector.exe 4412 injector.exe 4412 injector.exe 4412 injector.exe 4412 injector.exe 4412 injector.exe 1920 csrss.exe 1920 csrss.exe 4412 injector.exe 4412 injector.exe 4412 injector.exe 4412 injector.exe 4412 injector.exe 4412 injector.exe 4412 injector.exe 4412 injector.exe 4412 injector.exe 4412 injector.exe 4412 injector.exe 4412 injector.exe 4412 injector.exe 4412 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 5016 powershell.exe Token: SeDebugPrivilege 3372 d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe Token: SeImpersonatePrivilege 3372 d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe Token: SeDebugPrivilege 3412 powershell.exe Token: SeDebugPrivilege 5012 powershell.exe Token: SeDebugPrivilege 3684 powershell.exe Token: SeDebugPrivilege 420 powershell.exe Token: SeDebugPrivilege 2396 powershell.exe Token: SeDebugPrivilege 1000 powershell.exe Token: SeSystemEnvironmentPrivilege 1920 csrss.exe Token: SeSecurityPrivilege 4896 sc.exe Token: SeSecurityPrivilege 4896 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3372 wrote to memory of 5016 3372 d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe 82 PID 3372 wrote to memory of 5016 3372 d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe 82 PID 3372 wrote to memory of 5016 3372 d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe 82 PID 4984 wrote to memory of 3412 4984 d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe 88 PID 4984 wrote to memory of 3412 4984 d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe 88 PID 4984 wrote to memory of 3412 4984 d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe 88 PID 4984 wrote to memory of 460 4984 d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe 90 PID 4984 wrote to memory of 460 4984 d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe 90 PID 460 wrote to memory of 3448 460 cmd.exe 92 PID 460 wrote to memory of 3448 460 cmd.exe 92 PID 4984 wrote to memory of 5012 4984 d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe 93 PID 4984 wrote to memory of 5012 4984 d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe 93 PID 4984 wrote to memory of 5012 4984 d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe 93 PID 4984 wrote to memory of 3684 4984 d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe 95 PID 4984 wrote to memory of 3684 4984 d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe 95 PID 4984 wrote to memory of 3684 4984 d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe 95 PID 4984 wrote to memory of 1920 4984 d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe 97 PID 4984 wrote to memory of 1920 4984 d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe 97 PID 4984 wrote to memory of 1920 4984 d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe 97 PID 1920 wrote to memory of 420 1920 csrss.exe 98 PID 1920 wrote to memory of 420 1920 csrss.exe 98 PID 1920 wrote to memory of 420 1920 csrss.exe 98 PID 1920 wrote to memory of 2396 1920 csrss.exe 103 PID 1920 wrote to memory of 2396 1920 csrss.exe 103 PID 1920 wrote to memory of 2396 1920 csrss.exe 103 PID 1920 wrote to memory of 1000 1920 csrss.exe 106 PID 1920 wrote to memory of 1000 1920 csrss.exe 106 PID 1920 wrote to memory of 1000 1920 csrss.exe 106 PID 1920 wrote to memory of 4412 1920 csrss.exe 108 PID 1920 wrote to memory of 4412 1920 csrss.exe 108 PID 4132 wrote to memory of 5112 4132 windefender.exe 114 PID 4132 wrote to memory of 5112 4132 windefender.exe 114 PID 4132 wrote to memory of 5112 4132 windefender.exe 114 PID 5112 wrote to memory of 4896 5112 cmd.exe 115 PID 5112 wrote to memory of 4896 5112 cmd.exe 115 PID 5112 wrote to memory of 4896 5112 cmd.exe 115 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe"C:\Users\Admin\AppData\Local\Temp\d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3372 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5016
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C:\Users\Admin\AppData\Local\Temp\d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.exe"C:\Users\Admin\AppData\Local\Temp\d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4.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:4984 -
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:3412
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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:460 -
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:3448
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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:5012
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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:3684
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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:1920 -
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:420
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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:4820
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4128
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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:2396
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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:1000
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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:4412
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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:3232
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4132 -
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:5112 -
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:4896
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1556
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
MD5ccc702d16b7918a84334efa062f42e66
SHA1d5d47e14a92f40667569c057af50726258750266
SHA25662bc7c6d348ead00c702f19f2840c055a9c882e45a8c005ee27514793e62bed6
SHA512fcf9d801c70931c42d883e7d40c9156ebf9ab4da4572546a32271dc507290a8e431abeca1e72547c70f56772da1b068eabb62b7ceab5eb8b96d6cdd6bd652f76
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58d4ebdd864d9b74d77f3103cc3a527d2
SHA16dfc5601fa9be52c03bd336f24ab0146d275c1dd
SHA25682fffa5e4035d1cfd325990ddbe87690fca5e23f44a3b7dfe811e18656597ec1
SHA51203bda7456186cea7d4ff46b9fc23893c945d5a23c571869d52ae3dc41468703f1875dfb8707ab97a46e629d75ad126f98a06066cc710ef31bcf5d4c894f65282
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55091c9659ba1db65cbe516cc42253b54
SHA153063e89bcb47d5fc42a3575ae314a3fea2f0d7a
SHA256426b9ec2734765a743e15b71b6e5c77fcb320d07dd0d60236f03d110ebe6d617
SHA512435f7590cebd09e6d3425a4ca32e2b7f37a76f38b6d46fc244fc74582fa4d74edd0caa1a1ec25e06f438420c641544f42aae7247d2de4584fcbf2fe50c0fe248
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a2140fa0ee38b19f98d9e192cca0daa9
SHA194a97e7a1f2a48df998a77b99625a9cde27144e5
SHA256222b007742a679d422398cee3576b0197a334869552946f3bc7d06aa89721b7d
SHA51227f4585d4eccf6c5ebef0714b1b88c9534ba6b7870e6c9f6265706b6ccb18bb8f3afb5c582f95996fce336fde29dcc7ebc736bcd11ee35a414b4b9bced61104b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57979d6a3171223cbebc48d880df66766
SHA18c1ccbb92fb7b7c75d63112e4a71582629e3abe2
SHA256bf9c2824b1e77c8168194fdd4b7988ee2411541d390ac8d5104dd2ce8d026438
SHA512e4cae4772e5d9b97d572cff2693c9e3435e877ce49fb49bbc399d58aab61730826370047919a6e8fd6fff913859868b347d44c0c787df6eeb88be8fb501e7907
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Filesize
4.1MB
MD5a0f8e6fd89c8db8c6c2ac9dd7a614d23
SHA110395f3b8b660b20f6e64e0bcefa6c7056efab1e
SHA256d5c5d5dfa9a75490bebf773a30f1a09cd322cec0bd89318f4102463c48ba0df4
SHA512fe106276efd9104f61473cb4db335252bcef11cc2c9e34c81705b74ef6f72bca9267157a8210d236608c70b22458741faa3296d8ab5218f2b034a7dfd3424556
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec