Analysis
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max time kernel
149s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
09/05/2024, 19:27
Static task
static1
Behavioral task
behavioral1
Sample
a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe
Resource
win10v2004-20240508-en
General
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Target
a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe
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Size
4.1MB
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MD5
09eae2db0bceb4528afae90f67ba1b21
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SHA1
c63ca12499696b116f9757c85a94fc573b1010b3
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SHA256
a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49
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SHA512
604d799acf5af8879a0a7552b2af8b1e6e2a0e94169632a067bbc0c0301d9185995be2713b49c220cf6187210f7f65f75158ba6be7215dd66da9e94606823050
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SSDEEP
98304:FwBco1salv4p8AdbboIKOJLJ1nO5Zld79mTpp:FwqoWyv4yANjKQa7of
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/1128-2-0x0000000005020000-0x000000000590B000-memory.dmp family_glupteba behavioral2/memory/1128-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1128-42-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/1128-52-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/1128-63-0x0000000005020000-0x000000000590B000-memory.dmp family_glupteba behavioral2/memory/2260-62-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/1128-90-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2260-129-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/1300-152-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/1300-205-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/1300-217-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/1300-220-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/1300-225-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/1300-229-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/1300-232-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/1300-236-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/1300-240-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/1300-243-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/1300-249-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2788 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1300 csrss.exe 3804 injector.exe 1528 windefender.exe 3556 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa97-209.dat upx behavioral2/memory/1528-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1528-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3556-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3556-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3556-227-0x0000000000400000-0x00000000008DF000-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\"" a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.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 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 a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe File created C:\Windows\rss\csrss.exe a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.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 3068 sc.exe -
pid Process 3192 powershell.exe 3528 powershell.exe 4776 powershell.exe 240 powershell.exe 4124 powershell.exe 4584 powershell.exe 4112 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 1648 schtasks.exe 1940 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,-512 = "Central Asia Standard Time" a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1021 = "Bangladesh Daylight 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,-451 = "Caucasus Daylight Time" a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3052 = "Qyzylorda Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2772 = "Omsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.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\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-262 = "GMT Standard Time" windefender.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\@tzres.dll,-2792 = "Novosibirsk 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" a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs 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,-981 = "Kamchatka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.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,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs 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,-449 = "Azerbaijan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-872 = "Pakistan Standard 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,-181 = "Mountain Daylight Time (Mexico)" a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.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" a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3192 powershell.exe 3192 powershell.exe 1128 a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe 1128 a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe 3528 powershell.exe 3528 powershell.exe 2260 a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe 2260 a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe 2260 a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe 2260 a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe 2260 a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe 2260 a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe 2260 a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe 2260 a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe 2260 a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe 2260 a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe 4776 powershell.exe 4776 powershell.exe 240 powershell.exe 240 powershell.exe 4124 powershell.exe 4124 powershell.exe 4584 powershell.exe 4584 powershell.exe 4112 powershell.exe 4112 powershell.exe 3804 injector.exe 3804 injector.exe 3804 injector.exe 3804 injector.exe 3804 injector.exe 3804 injector.exe 1300 csrss.exe 1300 csrss.exe 3804 injector.exe 3804 injector.exe 3804 injector.exe 3804 injector.exe 3804 injector.exe 3804 injector.exe 1300 csrss.exe 1300 csrss.exe 3804 injector.exe 3804 injector.exe 1300 csrss.exe 1300 csrss.exe 3804 injector.exe 3804 injector.exe 3804 injector.exe 3804 injector.exe 3804 injector.exe 3804 injector.exe 3804 injector.exe 3804 injector.exe 3804 injector.exe 3804 injector.exe 3804 injector.exe 3804 injector.exe 3804 injector.exe 3804 injector.exe 3804 injector.exe 3804 injector.exe 3804 injector.exe 3804 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3192 powershell.exe Token: SeDebugPrivilege 1128 a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe Token: SeImpersonatePrivilege 1128 a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe Token: SeDebugPrivilege 3528 powershell.exe Token: SeDebugPrivilege 4776 powershell.exe Token: SeDebugPrivilege 240 powershell.exe Token: SeDebugPrivilege 4124 powershell.exe Token: SeDebugPrivilege 4584 powershell.exe Token: SeDebugPrivilege 4112 powershell.exe Token: SeSystemEnvironmentPrivilege 1300 csrss.exe Token: SeSecurityPrivilege 3068 sc.exe Token: SeSecurityPrivilege 3068 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1128 wrote to memory of 3192 1128 a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe 82 PID 1128 wrote to memory of 3192 1128 a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe 82 PID 1128 wrote to memory of 3192 1128 a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe 82 PID 2260 wrote to memory of 3528 2260 a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe 87 PID 2260 wrote to memory of 3528 2260 a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe 87 PID 2260 wrote to memory of 3528 2260 a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe 87 PID 2260 wrote to memory of 2224 2260 a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe 89 PID 2260 wrote to memory of 2224 2260 a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe 89 PID 2224 wrote to memory of 2788 2224 cmd.exe 91 PID 2224 wrote to memory of 2788 2224 cmd.exe 91 PID 2260 wrote to memory of 4776 2260 a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe 92 PID 2260 wrote to memory of 4776 2260 a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe 92 PID 2260 wrote to memory of 4776 2260 a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe 92 PID 2260 wrote to memory of 240 2260 a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe 94 PID 2260 wrote to memory of 240 2260 a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe 94 PID 2260 wrote to memory of 240 2260 a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe 94 PID 2260 wrote to memory of 1300 2260 a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe 96 PID 2260 wrote to memory of 1300 2260 a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe 96 PID 2260 wrote to memory of 1300 2260 a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe 96 PID 1300 wrote to memory of 4124 1300 csrss.exe 98 PID 1300 wrote to memory of 4124 1300 csrss.exe 98 PID 1300 wrote to memory of 4124 1300 csrss.exe 98 PID 1300 wrote to memory of 4584 1300 csrss.exe 104 PID 1300 wrote to memory of 4584 1300 csrss.exe 104 PID 1300 wrote to memory of 4584 1300 csrss.exe 104 PID 1300 wrote to memory of 4112 1300 csrss.exe 106 PID 1300 wrote to memory of 4112 1300 csrss.exe 106 PID 1300 wrote to memory of 4112 1300 csrss.exe 106 PID 1300 wrote to memory of 3804 1300 csrss.exe 108 PID 1300 wrote to memory of 3804 1300 csrss.exe 108 PID 1528 wrote to memory of 4348 1528 windefender.exe 114 PID 1528 wrote to memory of 4348 1528 windefender.exe 114 PID 1528 wrote to memory of 4348 1528 windefender.exe 114 PID 4348 wrote to memory of 3068 4348 cmd.exe 115 PID 4348 wrote to memory of 3068 4348 cmd.exe 115 PID 4348 wrote to memory of 3068 4348 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\a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe"C:\Users\Admin\AppData\Local\Temp\a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1128 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3192
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C:\Users\Admin\AppData\Local\Temp\a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.exe"C:\Users\Admin\AppData\Local\Temp\a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49.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:2260 -
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:3528
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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:2224 -
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:2788
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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:4776
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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:240
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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:1300 -
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:4124
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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:1648
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3972
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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:4584
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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:4112
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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:3804
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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:1940
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1528 -
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:4348 -
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:3068
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3556
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
MD5d680e222e6acf03ed64993d71e318541
SHA16e26d2f94275341df537f0dfa61a1daf9b315ab8
SHA256ad3f3fd48fe35ad603f6419ae44f19d63c58a951a2954b4d253f5991d0d3d50d
SHA512bdacb82454a68b43152f2c72328458dd2c500329b08a703a19ea54c10cb52a521c25a2d54678eeadac376fbc5563017e543f361c4d348cd936ff5e9b05518112
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51df584de88271b5b30d09a94b8250100
SHA14486b01bfc55a6540ed5a99d63d68697935c9ba2
SHA25699cd589347663fd54d89e92fc925e2b34e42a3dddd9701cf3a0736ce51e0f911
SHA512a0b8e27476a7b2dd5a06866e4d649546786052369c6a96b49513c4b93bdae9c1e587674bf6efc59e97a7944643519938b6173e89830baae97c4cc1cbc5413399
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c1e640904a0be21ab5e12a62b38ea10b
SHA12464e0eac8b7d9193509575a3bf3b1372159df8a
SHA25659f8417bf870cb08d0e17f1474b7ac4eea6af44fe0cfc5d47a845d3f82e3ae1e
SHA51226f422f21ac1233bdf6ac11410aa6ee2d7e9a1a28752cf34bcd25b001dea390deea8c05cae68a98e14000b856a21030149652b94ae9648f62b7cb564295e90fa
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58e5535291748a26884c7f5dc560ce5be
SHA115b0183fd303a6a0a63db90f578c417b2e671b74
SHA2563542a8efd7159de9952924dd7d670661a40a2791040c1c11f9139b256065d4a0
SHA51220c170be398cd429c249871ac8224b25dc80bc8bf54123bef220197b63fae21968ec962d27604ed7c6e758e6102e1224385e3790ee65214e8947aed5e5ede8f1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57dcd34b6a4f54e7815dea9d7748d8564
SHA1531625916df9981e7338c173a657b6b21ae7b48e
SHA2568b3995d130f82ba5adbe4b6dd42e39e509d87e62bb1c656e39dc25ca081ffe45
SHA512aeb6e69dd69a04e4edf653a4be1f304fd3dbd47685942cb2b0932962380133d5260a0d5af41340e77cc3aa83cd2c49a3a287f3e883e619a19cc81550bb46f636
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Filesize
4.1MB
MD509eae2db0bceb4528afae90f67ba1b21
SHA1c63ca12499696b116f9757c85a94fc573b1010b3
SHA256a566a1371a73821ee7145043aabdb088a1b852c57fa5639ef05dbc4a52612d49
SHA512604d799acf5af8879a0a7552b2af8b1e6e2a0e94169632a067bbc0c0301d9185995be2713b49c220cf6187210f7f65f75158ba6be7215dd66da9e94606823050
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec