Analysis
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max time kernel
149s -
max time network
143s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
26/04/2024, 23:36
Static task
static1
Behavioral task
behavioral1
Sample
39feaf05bfe496374076c100495656839177e6e4c85080a8652842918c5b89f7.exe
Resource
win10v2004-20240426-en
General
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Target
39feaf05bfe496374076c100495656839177e6e4c85080a8652842918c5b89f7.exe
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Size
4.2MB
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MD5
8f68eeec64d4a3d697f173d57fcc9e2a
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SHA1
cfd325dd54cc8daa235f9136522d5658f0cd7b4f
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SHA256
39feaf05bfe496374076c100495656839177e6e4c85080a8652842918c5b89f7
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SHA512
7aec38db621e178a98542d8034a06e7326a3c6e6ab8b37ee47d2b8f49d1ec3b49e9273cf1bf4652bd2350e9b55c21b87f774e2d152ba5386528b90eff9972883
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SSDEEP
98304:AkAjdDPAeC2B02wyEqB4QU18FBwX92iJvUa6o386BoSeiwZU4mjQxQJ:ruPAV2B0NRqB88FqJvA6j4GQo
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/2596-2-0x00000000064E0000-0x0000000006DCB000-memory.dmp family_glupteba behavioral1/memory/2596-3-0x0000000000400000-0x000000000441C000-memory.dmp family_glupteba behavioral1/memory/3012-127-0x0000000000400000-0x000000000441C000-memory.dmp family_glupteba behavioral1/memory/2596-164-0x0000000000400000-0x000000000441C000-memory.dmp family_glupteba behavioral1/memory/2596-208-0x00000000064E0000-0x0000000006DCB000-memory.dmp family_glupteba behavioral1/memory/3904-210-0x0000000000400000-0x000000000441C000-memory.dmp family_glupteba behavioral1/memory/3904-221-0x0000000000400000-0x000000000441C000-memory.dmp family_glupteba behavioral1/memory/3904-224-0x0000000000400000-0x000000000441C000-memory.dmp family_glupteba behavioral1/memory/3904-227-0x0000000000400000-0x000000000441C000-memory.dmp family_glupteba behavioral1/memory/3904-229-0x0000000000400000-0x000000000441C000-memory.dmp family_glupteba behavioral1/memory/3904-233-0x0000000000400000-0x000000000441C000-memory.dmp family_glupteba behavioral1/memory/3904-236-0x0000000000400000-0x000000000441C000-memory.dmp family_glupteba behavioral1/memory/3904-239-0x0000000000400000-0x000000000441C000-memory.dmp family_glupteba behavioral1/memory/3904-242-0x0000000000400000-0x000000000441C000-memory.dmp family_glupteba behavioral1/memory/3904-244-0x0000000000400000-0x000000000441C000-memory.dmp family_glupteba behavioral1/memory/3904-248-0x0000000000400000-0x000000000441C000-memory.dmp family_glupteba behavioral1/memory/3904-251-0x0000000000400000-0x000000000441C000-memory.dmp family_glupteba behavioral1/memory/3904-254-0x0000000000400000-0x000000000441C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3992 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3904 csrss.exe 2268 injector.exe 3228 windefender.exe 1996 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023405-213.dat upx behavioral1/memory/3228-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1996-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3228-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1996-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1996-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 39feaf05bfe496374076c100495656839177e6e4c85080a8652842918c5b89f7.exe Set value (str) \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\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 39feaf05bfe496374076c100495656839177e6e4c85080a8652842918c5b89f7.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 39feaf05bfe496374076c100495656839177e6e4c85080a8652842918c5b89f7.exe File created C:\Windows\rss\csrss.exe 39feaf05bfe496374076c100495656839177e6e4c85080a8652842918c5b89f7.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 3396 sc.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 1924 schtasks.exe 4588 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 39feaf05bfe496374076c100495656839177e6e4c85080a8652842918c5b89f7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 39feaf05bfe496374076c100495656839177e6e4c85080a8652842918c5b89f7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" 39feaf05bfe496374076c100495656839177e6e4c85080a8652842918c5b89f7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" 39feaf05bfe496374076c100495656839177e6e4c85080a8652842918c5b89f7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3141 = "South Sudan Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.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,-982 = "Kamchatka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 39feaf05bfe496374076c100495656839177e6e4c85080a8652842918c5b89f7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" 39feaf05bfe496374076c100495656839177e6e4c85080a8652842918c5b89f7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 39feaf05bfe496374076c100495656839177e6e4c85080a8652842918c5b89f7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 39feaf05bfe496374076c100495656839177e6e4c85080a8652842918c5b89f7.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\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" 39feaf05bfe496374076c100495656839177e6e4c85080a8652842918c5b89f7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 39feaf05bfe496374076c100495656839177e6e4c85080a8652842918c5b89f7.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-962 = "Paraguay Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-792 = "SA Western Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 39feaf05bfe496374076c100495656839177e6e4c85080a8652842918c5b89f7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 39feaf05bfe496374076c100495656839177e6e4c85080a8652842918c5b89f7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" 39feaf05bfe496374076c100495656839177e6e4c85080a8652842918c5b89f7.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,-752 = "Tonga Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" 39feaf05bfe496374076c100495656839177e6e4c85080a8652842918c5b89f7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 39feaf05bfe496374076c100495656839177e6e4c85080a8652842918c5b89f7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 39feaf05bfe496374076c100495656839177e6e4c85080a8652842918c5b89f7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" 39feaf05bfe496374076c100495656839177e6e4c85080a8652842918c5b89f7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 39feaf05bfe496374076c100495656839177e6e4c85080a8652842918c5b89f7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" 39feaf05bfe496374076c100495656839177e6e4c85080a8652842918c5b89f7.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.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,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" 39feaf05bfe496374076c100495656839177e6e4c85080a8652842918c5b89f7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 39feaf05bfe496374076c100495656839177e6e4c85080a8652842918c5b89f7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 39feaf05bfe496374076c100495656839177e6e4c85080a8652842918c5b89f7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-891 = "Morocco Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1372 powershell.exe 1372 powershell.exe 2596 39feaf05bfe496374076c100495656839177e6e4c85080a8652842918c5b89f7.exe 2596 39feaf05bfe496374076c100495656839177e6e4c85080a8652842918c5b89f7.exe 3472 powershell.exe 3472 powershell.exe 3012 39feaf05bfe496374076c100495656839177e6e4c85080a8652842918c5b89f7.exe 3012 39feaf05bfe496374076c100495656839177e6e4c85080a8652842918c5b89f7.exe 3012 39feaf05bfe496374076c100495656839177e6e4c85080a8652842918c5b89f7.exe 3012 39feaf05bfe496374076c100495656839177e6e4c85080a8652842918c5b89f7.exe 3012 39feaf05bfe496374076c100495656839177e6e4c85080a8652842918c5b89f7.exe 3012 39feaf05bfe496374076c100495656839177e6e4c85080a8652842918c5b89f7.exe 3012 39feaf05bfe496374076c100495656839177e6e4c85080a8652842918c5b89f7.exe 3012 39feaf05bfe496374076c100495656839177e6e4c85080a8652842918c5b89f7.exe 3012 39feaf05bfe496374076c100495656839177e6e4c85080a8652842918c5b89f7.exe 3012 39feaf05bfe496374076c100495656839177e6e4c85080a8652842918c5b89f7.exe 3684 powershell.exe 3684 powershell.exe 1816 powershell.exe 1816 powershell.exe 1744 powershell.exe 1744 powershell.exe 3304 powershell.exe 3304 powershell.exe 4712 powershell.exe 4712 powershell.exe 2268 injector.exe 2268 injector.exe 2268 injector.exe 2268 injector.exe 2268 injector.exe 2268 injector.exe 3904 csrss.exe 3904 csrss.exe 2268 injector.exe 2268 injector.exe 2268 injector.exe 2268 injector.exe 2268 injector.exe 2268 injector.exe 3904 csrss.exe 3904 csrss.exe 2268 injector.exe 2268 injector.exe 2268 injector.exe 2268 injector.exe 3904 csrss.exe 3904 csrss.exe 2268 injector.exe 2268 injector.exe 2268 injector.exe 2268 injector.exe 2268 injector.exe 2268 injector.exe 2268 injector.exe 2268 injector.exe 2268 injector.exe 2268 injector.exe 2268 injector.exe 2268 injector.exe 2268 injector.exe 2268 injector.exe 2268 injector.exe 2268 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1372 powershell.exe Token: SeDebugPrivilege 2596 39feaf05bfe496374076c100495656839177e6e4c85080a8652842918c5b89f7.exe Token: SeImpersonatePrivilege 2596 39feaf05bfe496374076c100495656839177e6e4c85080a8652842918c5b89f7.exe Token: SeDebugPrivilege 3472 powershell.exe Token: SeDebugPrivilege 3684 powershell.exe Token: SeDebugPrivilege 1816 powershell.exe Token: SeDebugPrivilege 1744 powershell.exe Token: SeDebugPrivilege 3304 powershell.exe Token: SeDebugPrivilege 4712 powershell.exe Token: SeSystemEnvironmentPrivilege 3904 csrss.exe Token: SeSecurityPrivilege 3396 sc.exe Token: SeSecurityPrivilege 3396 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2596 wrote to memory of 1372 2596 39feaf05bfe496374076c100495656839177e6e4c85080a8652842918c5b89f7.exe 83 PID 2596 wrote to memory of 1372 2596 39feaf05bfe496374076c100495656839177e6e4c85080a8652842918c5b89f7.exe 83 PID 2596 wrote to memory of 1372 2596 39feaf05bfe496374076c100495656839177e6e4c85080a8652842918c5b89f7.exe 83 PID 3012 wrote to memory of 3472 3012 39feaf05bfe496374076c100495656839177e6e4c85080a8652842918c5b89f7.exe 91 PID 3012 wrote to memory of 3472 3012 39feaf05bfe496374076c100495656839177e6e4c85080a8652842918c5b89f7.exe 91 PID 3012 wrote to memory of 3472 3012 39feaf05bfe496374076c100495656839177e6e4c85080a8652842918c5b89f7.exe 91 PID 3012 wrote to memory of 1572 3012 39feaf05bfe496374076c100495656839177e6e4c85080a8652842918c5b89f7.exe 93 PID 3012 wrote to memory of 1572 3012 39feaf05bfe496374076c100495656839177e6e4c85080a8652842918c5b89f7.exe 93 PID 1572 wrote to memory of 3992 1572 cmd.exe 95 PID 1572 wrote to memory of 3992 1572 cmd.exe 95 PID 3012 wrote to memory of 3684 3012 39feaf05bfe496374076c100495656839177e6e4c85080a8652842918c5b89f7.exe 96 PID 3012 wrote to memory of 3684 3012 39feaf05bfe496374076c100495656839177e6e4c85080a8652842918c5b89f7.exe 96 PID 3012 wrote to memory of 3684 3012 39feaf05bfe496374076c100495656839177e6e4c85080a8652842918c5b89f7.exe 96 PID 3012 wrote to memory of 1816 3012 39feaf05bfe496374076c100495656839177e6e4c85080a8652842918c5b89f7.exe 98 PID 3012 wrote to memory of 1816 3012 39feaf05bfe496374076c100495656839177e6e4c85080a8652842918c5b89f7.exe 98 PID 3012 wrote to memory of 1816 3012 39feaf05bfe496374076c100495656839177e6e4c85080a8652842918c5b89f7.exe 98 PID 3012 wrote to memory of 3904 3012 39feaf05bfe496374076c100495656839177e6e4c85080a8652842918c5b89f7.exe 100 PID 3012 wrote to memory of 3904 3012 39feaf05bfe496374076c100495656839177e6e4c85080a8652842918c5b89f7.exe 100 PID 3012 wrote to memory of 3904 3012 39feaf05bfe496374076c100495656839177e6e4c85080a8652842918c5b89f7.exe 100 PID 3904 wrote to memory of 1744 3904 csrss.exe 101 PID 3904 wrote to memory of 1744 3904 csrss.exe 101 PID 3904 wrote to memory of 1744 3904 csrss.exe 101 PID 3904 wrote to memory of 3304 3904 csrss.exe 107 PID 3904 wrote to memory of 3304 3904 csrss.exe 107 PID 3904 wrote to memory of 3304 3904 csrss.exe 107 PID 3904 wrote to memory of 4712 3904 csrss.exe 109 PID 3904 wrote to memory of 4712 3904 csrss.exe 109 PID 3904 wrote to memory of 4712 3904 csrss.exe 109 PID 3904 wrote to memory of 2268 3904 csrss.exe 111 PID 3904 wrote to memory of 2268 3904 csrss.exe 111 PID 3228 wrote to memory of 2140 3228 windefender.exe 117 PID 3228 wrote to memory of 2140 3228 windefender.exe 117 PID 3228 wrote to memory of 2140 3228 windefender.exe 117 PID 2140 wrote to memory of 3396 2140 cmd.exe 118 PID 2140 wrote to memory of 3396 2140 cmd.exe 118 PID 2140 wrote to memory of 3396 2140 cmd.exe 118 -
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\39feaf05bfe496374076c100495656839177e6e4c85080a8652842918c5b89f7.exe"C:\Users\Admin\AppData\Local\Temp\39feaf05bfe496374076c100495656839177e6e4c85080a8652842918c5b89f7.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2596 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1372
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C:\Users\Admin\AppData\Local\Temp\39feaf05bfe496374076c100495656839177e6e4c85080a8652842918c5b89f7.exe"C:\Users\Admin\AppData\Local\Temp\39feaf05bfe496374076c100495656839177e6e4c85080a8652842918c5b89f7.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:3012 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3472
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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:1572 -
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:3992
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3684
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1816
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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:3904 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1744
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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:1924
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4716
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3304
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4712
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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:2268
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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:4588
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3228 -
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:2140 -
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:3396
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1996
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
MD5e819871106ae2ca07399038e3cafe52b
SHA174d1685229bae0536af4015ac2fd0d2d12ac9073
SHA2568009099562c11ea3a2d8a1779cf7ae9ce5ec39c60dfdf74f8ba14cf5650bcc3d
SHA512141e060cd436caa6b7e05b93160adedaef7c3e1497267a40cfb6f1a98235101df1020a902cea0e37db3d5ceeb425097b72786b57319c7ed62cfb6f30db836c59
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a703299f3faeef2f1318dd81a1558020
SHA1b1da86aa6351710837ad745750b6dc399e001b34
SHA256a5978cbbd6dd1956f81d5534309839e5c5c9f307f472c0398a751de6363cb1c2
SHA512ad899e80b285b835be367f9877d923f099cb3ddd46e2d39c9ba81eb4bc7594d1950259db554b39948f032c77c10ef201a7ab834744d30fea36e524c01e146283
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5125bb7df26aff6764ba7ae1bc4f17328
SHA18169f215b40ec217dc3c5d8c3431962e18842b20
SHA256849330b1121f180ea33e98116e3fe330eec9670f3c12786cacf34c72ab8bcc0c
SHA5123eaf4158185d9d0df794d25d5854059e4f593b0ac5280c2ebba6bf9c654cc29475802619ed5380d9b54e94cb405afd7ab8762ef0c58c37e6ed8339b36bea6e2e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59186bd398066a3046f96b8cf2117fd08
SHA19d54d04698cdddd98e0fb9f7e4403654f32097c5
SHA25682923c08b41057d2a6bc3016c90c8abf9a58653f6ced5a4e3f1abc868bd7c563
SHA512fdcb0b5c39a28a6d085c8224aee148a1091fc149d5f408a4b09db311ecec6d304f061dd04ab8f66fee0d58982b3b07c5e5140916d49e42a4314a71037205c23a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58a70fbe9924095bc7683ca4fba0e26a9
SHA1dde74c9d172e67f295cca2a4b197cafbce92b0da
SHA256b147d4edb15cad20be14cc3076d75e442b8d591a8e2d4a30e8a32ed733d7afe4
SHA5126cb43a0cdd631af8b02d46b808201447d7a9f8173598c3b2af936e2a2b6c61391c7bf77e8d57f6756bc3e742ba4bd92c627b6503bf9d951dc1312e1e02e5a6ca
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Filesize
4.2MB
MD58f68eeec64d4a3d697f173d57fcc9e2a
SHA1cfd325dd54cc8daa235f9136522d5658f0cd7b4f
SHA25639feaf05bfe496374076c100495656839177e6e4c85080a8652842918c5b89f7
SHA5127aec38db621e178a98542d8034a06e7326a3c6e6ab8b37ee47d2b8f49d1ec3b49e9273cf1bf4652bd2350e9b55c21b87f774e2d152ba5386528b90eff9972883
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec