Analysis
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max time kernel
149s -
max time network
152s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
18-05-2024 21:26
Static task
static1
Behavioral task
behavioral1
Sample
9b67dd99040bc235a850c46bb4a22c1512e063e534532b1530cbbecbf21d50f8.exe
Resource
win10v2004-20240426-en
General
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Target
9b67dd99040bc235a850c46bb4a22c1512e063e534532b1530cbbecbf21d50f8.exe
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Size
4.1MB
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MD5
4c23b53268f8ae43d62678b30eed30ce
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SHA1
9ec3133b6c1e9dbcf3914f0540fa081303eebb61
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SHA256
9b67dd99040bc235a850c46bb4a22c1512e063e534532b1530cbbecbf21d50f8
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SHA512
7b5511b07d68476db13ffa6f6e0fdd21889699a852f0a9b10b3461c4afea8583dc7709abd43c7570e6d2b757c2ac437424b1371fa189ad78ba131163ac256380
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SSDEEP
98304:7mSOHuT7egJLhRTCVEkOCdqjiWtSbuAFmh92I:70ObLh9WfG/tSdeX
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/396-2-0x0000000004B00000-0x00000000053EB000-memory.dmp family_glupteba behavioral2/memory/396-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/396-119-0x0000000004B00000-0x00000000053EB000-memory.dmp family_glupteba behavioral2/memory/396-117-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/396-183-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5056-182-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/4112-201-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/4112-212-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/4112-216-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/4112-220-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/4112-224-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/4112-228-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/4112-232-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/4112-236-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/4112-240-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/4112-244-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/4112-248-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/4112-252-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/4112-256-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1716 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4112 csrss.exe 1628 injector.exe 464 windefender.exe 2300 windefender.exe -
resource yara_rule behavioral2/memory/464-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/files/0x000200000002a9f6-208.dat upx behavioral2/memory/464-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2300-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2300-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2300-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1230210488-3096403634-4129516247-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 9b67dd99040bc235a850c46bb4a22c1512e063e534532b1530cbbecbf21d50f8.exe Set value (str) \REGISTRY\USER\S-1-5-21-1230210488-3096403634-4129516247-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File 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 -
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 9b67dd99040bc235a850c46bb4a22c1512e063e534532b1530cbbecbf21d50f8.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 9b67dd99040bc235a850c46bb4a22c1512e063e534532b1530cbbecbf21d50f8.exe File created C:\Windows\rss\csrss.exe 9b67dd99040bc235a850c46bb4a22c1512e063e534532b1530cbbecbf21d50f8.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1252 sc.exe -
pid Process 3944 powershell.exe 2240 powershell.exe 1120 powershell.exe 4456 powershell.exe 2004 powershell.exe 3152 powershell.exe 1456 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 4644 schtasks.exe 3120 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,-3051 = "Qyzylorda Daylight Time" 9b67dd99040bc235a850c46bb4a22c1512e063e534532b1530cbbecbf21d50f8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" 9b67dd99040bc235a850c46bb4a22c1512e063e534532b1530cbbecbf21d50f8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" 9b67dd99040bc235a850c46bb4a22c1512e063e534532b1530cbbecbf21d50f8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2371 = "Easter Island Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\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,-671 = "AUS Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-152 = "Central America 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,-141 = "Canada Central Daylight Time" 9b67dd99040bc235a850c46bb4a22c1512e063e534532b1530cbbecbf21d50f8.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\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" 9b67dd99040bc235a850c46bb4a22c1512e063e534532b1530cbbecbf21d50f8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" 9b67dd99040bc235a850c46bb4a22c1512e063e534532b1530cbbecbf21d50f8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 9b67dd99040bc235a850c46bb4a22c1512e063e534532b1530cbbecbf21d50f8.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\@tzres.dll,-562 = "SE Asia Standard 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\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" 9b67dd99040bc235a850c46bb4a22c1512e063e534532b1530cbbecbf21d50f8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 9b67dd99040bc235a850c46bb4a22c1512e063e534532b1530cbbecbf21d50f8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" 9b67dd99040bc235a850c46bb4a22c1512e063e534532b1530cbbecbf21d50f8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" 9b67dd99040bc235a850c46bb4a22c1512e063e534532b1530cbbecbf21d50f8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates 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,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 9b67dd99040bc235a850c46bb4a22c1512e063e534532b1530cbbecbf21d50f8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 9b67dd99040bc235a850c46bb4a22c1512e063e534532b1530cbbecbf21d50f8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2182 = "Astrakhan Standard 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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs 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\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" 9b67dd99040bc235a850c46bb4a22c1512e063e534532b1530cbbecbf21d50f8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" 9b67dd99040bc235a850c46bb4a22c1512e063e534532b1530cbbecbf21d50f8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 9b67dd99040bc235a850c46bb4a22c1512e063e534532b1530cbbecbf21d50f8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 9b67dd99040bc235a850c46bb4a22c1512e063e534532b1530cbbecbf21d50f8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" 9b67dd99040bc235a850c46bb4a22c1512e063e534532b1530cbbecbf21d50f8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople 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,-2871 = "Magallanes 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" 9b67dd99040bc235a850c46bb4a22c1512e063e534532b1530cbbecbf21d50f8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1411 = "Syria Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 9b67dd99040bc235a850c46bb4a22c1512e063e534532b1530cbbecbf21d50f8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" 9b67dd99040bc235a850c46bb4a22c1512e063e534532b1530cbbecbf21d50f8.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3944 powershell.exe 3944 powershell.exe 396 9b67dd99040bc235a850c46bb4a22c1512e063e534532b1530cbbecbf21d50f8.exe 396 9b67dd99040bc235a850c46bb4a22c1512e063e534532b1530cbbecbf21d50f8.exe 2240 powershell.exe 2240 powershell.exe 5056 9b67dd99040bc235a850c46bb4a22c1512e063e534532b1530cbbecbf21d50f8.exe 5056 9b67dd99040bc235a850c46bb4a22c1512e063e534532b1530cbbecbf21d50f8.exe 5056 9b67dd99040bc235a850c46bb4a22c1512e063e534532b1530cbbecbf21d50f8.exe 5056 9b67dd99040bc235a850c46bb4a22c1512e063e534532b1530cbbecbf21d50f8.exe 5056 9b67dd99040bc235a850c46bb4a22c1512e063e534532b1530cbbecbf21d50f8.exe 5056 9b67dd99040bc235a850c46bb4a22c1512e063e534532b1530cbbecbf21d50f8.exe 5056 9b67dd99040bc235a850c46bb4a22c1512e063e534532b1530cbbecbf21d50f8.exe 5056 9b67dd99040bc235a850c46bb4a22c1512e063e534532b1530cbbecbf21d50f8.exe 5056 9b67dd99040bc235a850c46bb4a22c1512e063e534532b1530cbbecbf21d50f8.exe 5056 9b67dd99040bc235a850c46bb4a22c1512e063e534532b1530cbbecbf21d50f8.exe 1120 powershell.exe 1120 powershell.exe 4456 powershell.exe 4456 powershell.exe 2004 powershell.exe 2004 powershell.exe 3152 powershell.exe 3152 powershell.exe 1456 powershell.exe 1456 powershell.exe 1628 injector.exe 1628 injector.exe 1628 injector.exe 1628 injector.exe 1628 injector.exe 1628 injector.exe 4112 csrss.exe 4112 csrss.exe 1628 injector.exe 1628 injector.exe 1628 injector.exe 1628 injector.exe 1628 injector.exe 1628 injector.exe 4112 csrss.exe 4112 csrss.exe 1628 injector.exe 1628 injector.exe 1628 injector.exe 1628 injector.exe 4112 csrss.exe 4112 csrss.exe 1628 injector.exe 1628 injector.exe 1628 injector.exe 1628 injector.exe 1628 injector.exe 1628 injector.exe 1628 injector.exe 1628 injector.exe 1628 injector.exe 1628 injector.exe 1628 injector.exe 1628 injector.exe 1628 injector.exe 1628 injector.exe 1628 injector.exe 1628 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3944 powershell.exe Token: SeDebugPrivilege 396 9b67dd99040bc235a850c46bb4a22c1512e063e534532b1530cbbecbf21d50f8.exe Token: SeImpersonatePrivilege 396 9b67dd99040bc235a850c46bb4a22c1512e063e534532b1530cbbecbf21d50f8.exe Token: SeDebugPrivilege 2240 powershell.exe Token: SeDebugPrivilege 1120 powershell.exe Token: SeDebugPrivilege 4456 powershell.exe Token: SeDebugPrivilege 2004 powershell.exe Token: SeDebugPrivilege 3152 powershell.exe Token: SeDebugPrivilege 1456 powershell.exe Token: SeSystemEnvironmentPrivilege 4112 csrss.exe Token: SeSecurityPrivilege 1252 sc.exe Token: SeSecurityPrivilege 1252 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 396 wrote to memory of 3944 396 9b67dd99040bc235a850c46bb4a22c1512e063e534532b1530cbbecbf21d50f8.exe 82 PID 396 wrote to memory of 3944 396 9b67dd99040bc235a850c46bb4a22c1512e063e534532b1530cbbecbf21d50f8.exe 82 PID 396 wrote to memory of 3944 396 9b67dd99040bc235a850c46bb4a22c1512e063e534532b1530cbbecbf21d50f8.exe 82 PID 5056 wrote to memory of 2240 5056 9b67dd99040bc235a850c46bb4a22c1512e063e534532b1530cbbecbf21d50f8.exe 87 PID 5056 wrote to memory of 2240 5056 9b67dd99040bc235a850c46bb4a22c1512e063e534532b1530cbbecbf21d50f8.exe 87 PID 5056 wrote to memory of 2240 5056 9b67dd99040bc235a850c46bb4a22c1512e063e534532b1530cbbecbf21d50f8.exe 87 PID 5056 wrote to memory of 3100 5056 9b67dd99040bc235a850c46bb4a22c1512e063e534532b1530cbbecbf21d50f8.exe 89 PID 5056 wrote to memory of 3100 5056 9b67dd99040bc235a850c46bb4a22c1512e063e534532b1530cbbecbf21d50f8.exe 89 PID 3100 wrote to memory of 1716 3100 cmd.exe 91 PID 3100 wrote to memory of 1716 3100 cmd.exe 91 PID 5056 wrote to memory of 1120 5056 9b67dd99040bc235a850c46bb4a22c1512e063e534532b1530cbbecbf21d50f8.exe 92 PID 5056 wrote to memory of 1120 5056 9b67dd99040bc235a850c46bb4a22c1512e063e534532b1530cbbecbf21d50f8.exe 92 PID 5056 wrote to memory of 1120 5056 9b67dd99040bc235a850c46bb4a22c1512e063e534532b1530cbbecbf21d50f8.exe 92 PID 5056 wrote to memory of 4456 5056 9b67dd99040bc235a850c46bb4a22c1512e063e534532b1530cbbecbf21d50f8.exe 94 PID 5056 wrote to memory of 4456 5056 9b67dd99040bc235a850c46bb4a22c1512e063e534532b1530cbbecbf21d50f8.exe 94 PID 5056 wrote to memory of 4456 5056 9b67dd99040bc235a850c46bb4a22c1512e063e534532b1530cbbecbf21d50f8.exe 94 PID 5056 wrote to memory of 4112 5056 9b67dd99040bc235a850c46bb4a22c1512e063e534532b1530cbbecbf21d50f8.exe 96 PID 5056 wrote to memory of 4112 5056 9b67dd99040bc235a850c46bb4a22c1512e063e534532b1530cbbecbf21d50f8.exe 96 PID 5056 wrote to memory of 4112 5056 9b67dd99040bc235a850c46bb4a22c1512e063e534532b1530cbbecbf21d50f8.exe 96 PID 4112 wrote to memory of 2004 4112 csrss.exe 97 PID 4112 wrote to memory of 2004 4112 csrss.exe 97 PID 4112 wrote to memory of 2004 4112 csrss.exe 97 PID 4112 wrote to memory of 3152 4112 csrss.exe 103 PID 4112 wrote to memory of 3152 4112 csrss.exe 103 PID 4112 wrote to memory of 3152 4112 csrss.exe 103 PID 4112 wrote to memory of 1456 4112 csrss.exe 105 PID 4112 wrote to memory of 1456 4112 csrss.exe 105 PID 4112 wrote to memory of 1456 4112 csrss.exe 105 PID 4112 wrote to memory of 1628 4112 csrss.exe 107 PID 4112 wrote to memory of 1628 4112 csrss.exe 107 PID 464 wrote to memory of 3524 464 windefender.exe 113 PID 464 wrote to memory of 3524 464 windefender.exe 113 PID 464 wrote to memory of 3524 464 windefender.exe 113 PID 3524 wrote to memory of 1252 3524 cmd.exe 114 PID 3524 wrote to memory of 1252 3524 cmd.exe 114 PID 3524 wrote to memory of 1252 3524 cmd.exe 114 -
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\9b67dd99040bc235a850c46bb4a22c1512e063e534532b1530cbbecbf21d50f8.exe"C:\Users\Admin\AppData\Local\Temp\9b67dd99040bc235a850c46bb4a22c1512e063e534532b1530cbbecbf21d50f8.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:396 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3944
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C:\Users\Admin\AppData\Local\Temp\9b67dd99040bc235a850c46bb4a22c1512e063e534532b1530cbbecbf21d50f8.exe"C:\Users\Admin\AppData\Local\Temp\9b67dd99040bc235a850c46bb4a22c1512e063e534532b1530cbbecbf21d50f8.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:5056 -
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:2240
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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:3100 -
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:1716
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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:1120
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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:4456
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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:4112 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2004
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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:3120
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3444
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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:3152
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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:1456
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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:1628
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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:4644
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:464 -
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:3524 -
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:1252
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2300
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
MD5d262459bf09c2d188151ca8d91282225
SHA1d331f81d75b5dcdd63236d5f1f5785a4362d3fc0
SHA256dbec8f042aaf2ff38701065f7af54762ac1bcd90f3cf54c8a2a597f52258ce12
SHA5129bd2a99b31ddcb9497eafae4f4e3f3632c14f4e31f55305446adea4fc59ceedefcbddd6960259b8e979a9e5874b039506da7d7981f9ecec41ff27dc256fe84ac
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD579af1400de45ba551b4f4208c5331d08
SHA1a8be2783c8671153eab8f19a137a2d822bd3e5ec
SHA256962716c34db29a046dfc98fc9f40ef856904469cea2b78f6565f272e73095d98
SHA5126fdf73e246f6d4f9939f9ebf0f9a2d9c4eee4f5c0140bf153785dbcac408b7f8d96f11b1e44c06f93a160837bfdd9db0b6545b7d0e3934e1070c1250270d0a72
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59f2e2413cb0166c5cea4738aa0193448
SHA1a6d9e3324e4ef492a48bb7d00615eba26cbdc164
SHA256d57d4714f7e2dbbe682e02b76f3e646f043df23d0ffccc7fb8eab29cf8ebac10
SHA5122260c1fe2b0b24008bf4d2f3c699c080ce68c1a204615842241b54f0507cf8e7063fe691b5e9d94a3b873bdae3ad06a039d0020b9cf6febd26725d2577601c12
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD592cd162d0a1e3c819b6e7f5eab3ffae9
SHA16b985ec0c0dd6daaddc5c6114b35d15899a83654
SHA256f80af2e8f650cc9a669c540fe9216081c1a59fbb3b7965844ac5c161b2bda01e
SHA5127a28b89aef969a1a124706763255e45a39c58ee7751cd2d144f397e57c25387f2d6eae91fbe2069425fe72daacd0d18c06aecc706890bdefba11da48862c5cd4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c4ece6f1a8cb2f6113cc8a44af139b8b
SHA10284b133ef5873edb9cf362be9990396454a0c6b
SHA25605734dc6256daf4229b1d0fd6f02eacacced8fc69cf114e2039aeb2713cb3b3d
SHA512feb78696fd980f449d2b22799072280ec3abed09d55c202d600b47a4ba22e6bc8213f99871d4563563109037a9f7cb8fb7fac0c10c525915244bbf7cc84374dc
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Filesize
1.2MB
MD57c56792d6cbadd48c50afabaac1d38b0
SHA15fb0881edacb4e97562ea70d456fdf0bf1a54fe0
SHA2561437483f53f0627981bfe42f0183212fb7ca96ecd5237b0d501fa9354583e7af
SHA5126928c4d44190eaf8ba9e50c5eb341090f7fe079320710bd90af724bf5949831dbc0809662b384d41e869b92bc3980dff4fbf35f5453646db95cc3d77d8d07d35
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec