Analysis
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max time kernel
14s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
17-05-2024 21:46
Static task
static1
Behavioral task
behavioral1
Sample
9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.exe
Resource
win10v2004-20240426-en
General
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Target
9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.exe
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Size
4.1MB
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MD5
36f2f914a432e73d76ee88fbf44ee98b
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SHA1
79379d95728455634a716bd6fad1e99eef95e109
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SHA256
9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4
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SHA512
20cd3f103944d19acb00f8a3f5ce77db712070e9f59f7a352b2705dfa659b22cdb9ba80aad03c2215d3ab23f63a4c5579bef87e3ae7d53e48aa0c360b2e16779
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SSDEEP
98304:l/1aS45wg9wCj95WS7Tld+z+RCAmv1nHALSIU:l/oSJg9H959pd0eCv1HALSX
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral1/memory/4128-2-0x0000000004BA0000-0x000000000548B000-memory.dmp family_glupteba behavioral1/memory/4128-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4128-145-0x0000000004BA0000-0x000000000548B000-memory.dmp family_glupteba behavioral1/memory/4128-143-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4128-214-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2196-213-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3288-216-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3288-228-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3288-232-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3288-236-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3288-240-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3288-244-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3288-248-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3288-252-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3288-256-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3288-260-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3288-264-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3308 netsh.exe -
Executes dropped EXE 1 IoCs
pid Process 3288 csrss.exe -
resource yara_rule behavioral1/files/0x0008000000023432-220.dat upx behavioral1/memory/1996-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4132-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1996-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4132-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4132-238-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 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\"" 9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.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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Drops file in System32 directory 6 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 -
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 9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\rss 9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.exe File created C:\Windows\rss\csrss.exe 9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4024 sc.exe -
pid Process 2548 powershell.exe 404 powershell.exe 4416 powershell.exe 1864 powershell.exe 4488 powershell.exe 324 powershell.exe 1656 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 1972 schtasks.exe 4600 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process 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,-332 = "E. Europe Standard Time" 9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.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\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" 9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" 9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" 9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" 9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" 9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs 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\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" 9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.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\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" 9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" 9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" 9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" 9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" 9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" 9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" 9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs 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\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" 9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" 9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\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\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" 9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" 9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" 9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" 9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" 9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.exe -
Suspicious behavior: EnumeratesProcesses 30 IoCs
pid Process 324 powershell.exe 324 powershell.exe 4128 9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.exe 4128 9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.exe 1656 powershell.exe 1656 powershell.exe 2196 9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.exe 2196 9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.exe 2196 9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.exe 2196 9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.exe 2196 9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.exe 2196 9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.exe 2196 9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.exe 2196 9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.exe 2196 9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.exe 2196 9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.exe 2548 powershell.exe 2548 powershell.exe 404 powershell.exe 404 powershell.exe 404 powershell.exe 4416 powershell.exe 4416 powershell.exe 4416 powershell.exe 1864 powershell.exe 1864 powershell.exe 1864 powershell.exe 4488 powershell.exe 4488 powershell.exe 4488 powershell.exe -
Suspicious use of AdjustPrivilegeToken 9 IoCs
description pid Process Token: SeDebugPrivilege 324 powershell.exe Token: SeDebugPrivilege 4128 9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.exe Token: SeImpersonatePrivilege 4128 9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.exe Token: SeDebugPrivilege 1656 powershell.exe Token: SeDebugPrivilege 2548 powershell.exe Token: SeDebugPrivilege 404 powershell.exe Token: SeDebugPrivilege 4416 powershell.exe Token: SeDebugPrivilege 1864 powershell.exe Token: SeDebugPrivilege 4488 powershell.exe -
Suspicious use of WriteProcessMemory 28 IoCs
description pid Process procid_target PID 4128 wrote to memory of 324 4128 9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.exe 85 PID 4128 wrote to memory of 324 4128 9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.exe 85 PID 4128 wrote to memory of 324 4128 9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.exe 85 PID 2196 wrote to memory of 1656 2196 9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.exe 94 PID 2196 wrote to memory of 1656 2196 9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.exe 94 PID 2196 wrote to memory of 1656 2196 9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.exe 94 PID 2196 wrote to memory of 4432 2196 9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.exe 98 PID 2196 wrote to memory of 4432 2196 9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.exe 98 PID 4432 wrote to memory of 3308 4432 cmd.exe 100 PID 4432 wrote to memory of 3308 4432 cmd.exe 100 PID 2196 wrote to memory of 2548 2196 9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.exe 101 PID 2196 wrote to memory of 2548 2196 9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.exe 101 PID 2196 wrote to memory of 2548 2196 9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.exe 101 PID 2196 wrote to memory of 404 2196 9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.exe 105 PID 2196 wrote to memory of 404 2196 9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.exe 105 PID 2196 wrote to memory of 404 2196 9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.exe 105 PID 2196 wrote to memory of 3288 2196 9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.exe 107 PID 2196 wrote to memory of 3288 2196 9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.exe 107 PID 2196 wrote to memory of 3288 2196 9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.exe 107 PID 3288 wrote to memory of 4416 3288 csrss.exe 131 PID 3288 wrote to memory of 4416 3288 csrss.exe 131 PID 3288 wrote to memory of 4416 3288 csrss.exe 131 PID 3288 wrote to memory of 1864 3288 csrss.exe 114 PID 3288 wrote to memory of 1864 3288 csrss.exe 114 PID 3288 wrote to memory of 1864 3288 csrss.exe 114 PID 3288 wrote to memory of 4488 3288 csrss.exe 116 PID 3288 wrote to memory of 4488 3288 csrss.exe 116 PID 3288 wrote to memory of 4488 3288 csrss.exe 116 -
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\9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.exe"C:\Users\Admin\AppData\Local\Temp\9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4128 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:324
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C:\Users\Admin\AppData\Local\Temp\9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.exe"C:\Users\Admin\AppData\Local\Temp\9c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4.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:2196 -
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:1656
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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:4432 -
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:3308
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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:2548
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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:404
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3288 -
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:4416
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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:4600
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:468
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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:1864
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4488
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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⤵PID:4044
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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:1972
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵PID:1996
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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⤵PID:3076
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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
PID:4024
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵PID:4132
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k wusvcs -p -s WaaSMedicSvc1⤵PID:4416
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52dc341584a3c1aaf89da4eb58c1e4679
SHA12e97e7b25b932042fb8ea8a07e7fa60959d18b0b
SHA2562c8fd4e7c7b83cf12f65573efc32e952ef8fd0dbf14b4fa0d230935c3d863c4b
SHA512e98fa02e4a93ad44e57a877dea23b027900e8db85b33e389d8f36ec31f385c82babbbd0726e3c9403b01b3667bcdb355d38635b88766783d7d138be684229093
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD578dd03813448adbdbfe87ecf106a61d0
SHA1764b650b7f35fd802634ab4a4d9e8d08764e5ba8
SHA256ebd0579051f4126a717b906bdbda31e84f4615b3bf80e86aaed5c0c0ebc2a9f4
SHA512d6625ce07714741865d70afa4dd54593b743780814a2acfcd53ff5dfc7c817dddb483763bf4b8998c8ef8868b1f4aeb177809ab1bbd910abffead6957683dc58
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cc9594e2eaa247b2043b4a2e46ace244
SHA14f97bdcbd60fcdaa1248c0179c9fc0c5a17576a2
SHA256ad93c38426553c178f74e2c07755726e24d8b8842e09f5ff9bd9360a1b0536ab
SHA512352aa7bc3ce03e9e188b0c51c06d2dc1a851fb6b6dcfcc2013f6b4085ec1f9feef26a1aa9295440508d4e383984303cab7df9e92ff1b2c7b9a399ef2da4f7ec6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5dc49a6508a2025f53d2c48bd9e55f456
SHA139f874486ceae52f2d48b0b9964d90780f8c3090
SHA2567bfdad0357b591a784f8a24f9ddb2eaffd26a6a63c192daa2bcb74d2c171b7aa
SHA51213b4f9878e993c2095cd76d7c89c8e8a3db42062323fd3dc436acba8bf212eefd42e7c714381e25d1f89b36689bff34a13aa5212ec9c9708c82ab8f879c052a4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD579e5cb1ff9a212f51688f20476d17345
SHA15de7363bab06410e5326b20977fb2af4d76fb25f
SHA25661016f6d5e94d21385f8349c53bc9e9f6a29813fcedf125026a8de1da322aa1d
SHA512166f273d9d43b813d9954416d80b0a74d52daab08a710ffa06ac5010855150a44f32596882df6419ba9148e69897cb25641b95e3b828eb774fd2cdb39da4b442
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Filesize
4.1MB
MD536f2f914a432e73d76ee88fbf44ee98b
SHA179379d95728455634a716bd6fad1e99eef95e109
SHA2569c59dabe12e06a03467e1deff3f7740590ab1c74fbff9cc2053a6f58baf618a4
SHA51220cd3f103944d19acb00f8a3f5ce77db712070e9f59f7a352b2705dfa659b22cdb9ba80aad03c2215d3ab23f63a4c5579bef87e3ae7d53e48aa0c360b2e16779
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec