Analysis
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max time kernel
150s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
17-05-2024 23:50
Static task
static1
Behavioral task
behavioral1
Sample
9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe
Resource
win10v2004-20240508-en
General
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Target
9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe
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Size
4.1MB
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MD5
c44aabfdb66c67ec2164648c6e5e9c77
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SHA1
532fe73d02186037fe0092eb2330314f3569a8c2
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SHA256
9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb
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SHA512
9e5df8294811a42a41ce6d1e451ecc79a4f887727c5ef6680d089801831ccb014a084bda71873fbb5c3289311801806c83768231fab9b7fc03a274747eb04d68
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SSDEEP
98304:JqqJgO7W9SnF2QTYg7Hzo9TU2Df9e/pZ+O7BTR2yKU7:JqqJgO7W9SnJ3gf8jHXKw
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/2384-2-0x0000000004C40000-0x000000000552B000-memory.dmp family_glupteba behavioral2/memory/2384-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2384-61-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2384-78-0x0000000004C40000-0x000000000552B000-memory.dmp family_glupteba behavioral2/memory/2384-127-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/336-126-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1476-202-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1476-213-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1476-215-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1476-219-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1476-223-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1476-227-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1476-233-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1476-235-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1476-239-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1476-243-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1476-249-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1476-253-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1476-255-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1036 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1476 csrss.exe 1352 injector.exe 4352 windefender.exe 2120 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa1c-205.dat upx behavioral2/memory/4352-206-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4352-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2120-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2120-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.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 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe File created C:\Windows\rss\csrss.exe 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.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 5028 sc.exe -
pid Process 3108 powershell.exe 2956 powershell.exe 2828 powershell.exe 4540 powershell.exe 4892 powershell.exe 3132 powershell.exe 1952 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 1300 schtasks.exe 5000 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,-671 = "AUS Eastern Daylight Time" 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates 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\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-912 = "Mauritius Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-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,-32 = "Mid-Atlantic Standard Time" 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-242 = "Samoa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.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,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.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\@tzres.dll,-602 = "Taipei Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2322 = "Sakhalin Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-141 = "Canada Central 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,-2432 = "Cuba Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.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\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-631 = "Tokyo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3108 powershell.exe 3108 powershell.exe 2384 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe 2384 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe 2956 powershell.exe 2956 powershell.exe 336 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe 336 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe 336 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe 336 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe 336 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe 336 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe 336 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe 336 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe 336 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe 336 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe 2828 powershell.exe 2828 powershell.exe 4540 powershell.exe 4540 powershell.exe 4892 powershell.exe 4892 powershell.exe 3132 powershell.exe 3132 powershell.exe 1952 powershell.exe 1952 powershell.exe 1352 injector.exe 1352 injector.exe 1352 injector.exe 1352 injector.exe 1352 injector.exe 1352 injector.exe 1476 csrss.exe 1476 csrss.exe 1352 injector.exe 1352 injector.exe 1352 injector.exe 1352 injector.exe 1352 injector.exe 1352 injector.exe 1476 csrss.exe 1476 csrss.exe 1352 injector.exe 1352 injector.exe 1476 csrss.exe 1476 csrss.exe 1352 injector.exe 1352 injector.exe 1352 injector.exe 1352 injector.exe 1352 injector.exe 1352 injector.exe 1352 injector.exe 1352 injector.exe 1352 injector.exe 1352 injector.exe 1352 injector.exe 1352 injector.exe 1352 injector.exe 1352 injector.exe 1352 injector.exe 1352 injector.exe 1352 injector.exe 1352 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3108 powershell.exe Token: SeDebugPrivilege 2384 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe Token: SeImpersonatePrivilege 2384 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe Token: SeDebugPrivilege 2956 powershell.exe Token: SeDebugPrivilege 2828 powershell.exe Token: SeDebugPrivilege 4540 powershell.exe Token: SeDebugPrivilege 4892 powershell.exe Token: SeDebugPrivilege 3132 powershell.exe Token: SeDebugPrivilege 1952 powershell.exe Token: SeSystemEnvironmentPrivilege 1476 csrss.exe Token: SeSecurityPrivilege 5028 sc.exe Token: SeSecurityPrivilege 5028 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2384 wrote to memory of 3108 2384 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe 79 PID 2384 wrote to memory of 3108 2384 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe 79 PID 2384 wrote to memory of 3108 2384 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe 79 PID 336 wrote to memory of 2956 336 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe 84 PID 336 wrote to memory of 2956 336 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe 84 PID 336 wrote to memory of 2956 336 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe 84 PID 336 wrote to memory of 1860 336 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe 86 PID 336 wrote to memory of 1860 336 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe 86 PID 1860 wrote to memory of 1036 1860 cmd.exe 88 PID 1860 wrote to memory of 1036 1860 cmd.exe 88 PID 336 wrote to memory of 2828 336 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe 89 PID 336 wrote to memory of 2828 336 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe 89 PID 336 wrote to memory of 2828 336 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe 89 PID 336 wrote to memory of 4540 336 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe 91 PID 336 wrote to memory of 4540 336 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe 91 PID 336 wrote to memory of 4540 336 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe 91 PID 336 wrote to memory of 1476 336 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe 93 PID 336 wrote to memory of 1476 336 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe 93 PID 336 wrote to memory of 1476 336 9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe 93 PID 1476 wrote to memory of 4892 1476 csrss.exe 94 PID 1476 wrote to memory of 4892 1476 csrss.exe 94 PID 1476 wrote to memory of 4892 1476 csrss.exe 94 PID 1476 wrote to memory of 3132 1476 csrss.exe 99 PID 1476 wrote to memory of 3132 1476 csrss.exe 99 PID 1476 wrote to memory of 3132 1476 csrss.exe 99 PID 1476 wrote to memory of 1952 1476 csrss.exe 102 PID 1476 wrote to memory of 1952 1476 csrss.exe 102 PID 1476 wrote to memory of 1952 1476 csrss.exe 102 PID 1476 wrote to memory of 1352 1476 csrss.exe 104 PID 1476 wrote to memory of 1352 1476 csrss.exe 104 PID 4352 wrote to memory of 2832 4352 windefender.exe 110 PID 4352 wrote to memory of 2832 4352 windefender.exe 110 PID 4352 wrote to memory of 2832 4352 windefender.exe 110 PID 2832 wrote to memory of 5028 2832 cmd.exe 111 PID 2832 wrote to memory of 5028 2832 cmd.exe 111 PID 2832 wrote to memory of 5028 2832 cmd.exe 111 -
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\9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe"C:\Users\Admin\AppData\Local\Temp\9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2384 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3108
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C:\Users\Admin\AppData\Local\Temp\9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.exe"C:\Users\Admin\AppData\Local\Temp\9d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb.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:336 -
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:2956
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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:1860 -
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:1036
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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:2828
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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:4540
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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:1476 -
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:4892
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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:1300
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1508
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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:3132
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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:1952
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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:1352
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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:5000
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4352 -
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:2832 -
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:5028
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2120
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
MD5d36f94dc266db14b59681060aa4e06ac
SHA180a6990e6e717640e3a8b148485b0999158e2343
SHA25646407841400e3b07c8e8de2e7ea6827ca5d0ab677ef8375325511a15d16729bc
SHA5123f52d06967dddfdfffd63157afefbe5208d88c52038d80b8f17a6d333439316bce56fa113b602ddf09b33170724592079b7bca33ade564fd21797de33e2bf6b6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c13bce76f7804909564eb9d1a1f9d022
SHA17bb3e3632a014789fd2fc46f05275bbdbd7e1008
SHA256fa6b99f6db147fff5d509f388a695a68e2867dfd1f74ec458255177974f10b77
SHA512497efd0ec0f1006f31866940df3910861390689494d4eaf393f426c8b757382fc750f70149ca230e9c65db54cc5ac68dd1a8648e5e1b5b5bb6bdc751c8d853bc
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56dff1f1a1141c97a68577e4eb03491a4
SHA1c7b47df05f363505aa681854ef97e0847823f3c5
SHA256e0927c78955bc05549795564037dc6a64676329114b668bee9f7cd8df25b645f
SHA512a2d811d764c08d77d30b5e4474bd0618944ae54f259c24f3ae522ce6855ffb173a16bde8c50038a48a5e373e9904c7c0364b4159320a845771861dca0a4b69ef
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d225d62b971a0e1b5031d847a62c3b76
SHA1c1be904a6edebef29159ed484daa777478baa637
SHA256e924a344bf951422f2e90dd3b9ae7f96d8c33f3af5a62f78a4ff42457a632dec
SHA512cc9a9bdb93162d6def2f6b7ed5daf8694c23ba2afdb28e708d05c204c560279754e284958f2fba487fff113d858e38c06a41dfbd868a229bcc10973104dd6d8b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5efee8bad68fc57509853bc74f0b2d39f
SHA1d3e4e1063209d99df06737b7127f6aa130905b74
SHA2567f4dc9bf34491232a46c6d0f0967221d13a4afee17ce0b95ca8dc3ca1b58161d
SHA5127fa162815a525f3aa2dbfc6594daa779294d57c38bfc85508efb69af4cfb15f9102f100294b96041c0cb41bd42e4b4b9b72c6340abd7500e285f75e7b87223c3
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Filesize
4.1MB
MD5c44aabfdb66c67ec2164648c6e5e9c77
SHA1532fe73d02186037fe0092eb2330314f3569a8c2
SHA2569d1ebc6e6cc4bd214a36d18764bfe4bfa1f811ac61e7a32d7eefcd9ba3f2efbb
SHA5129e5df8294811a42a41ce6d1e451ecc79a4f887727c5ef6680d089801831ccb014a084bda71873fbb5c3289311801806c83768231fab9b7fc03a274747eb04d68
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec