Analysis
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max time kernel
163s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
12/10/2023, 07:52
Static task
static1
Behavioral task
behavioral1
Sample
f86822bd1637f386e8c0acb04c42249f3d1166e0526e395e6215b5b19cecb5ba.exe
Resource
win7-20230831-en
General
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Target
f86822bd1637f386e8c0acb04c42249f3d1166e0526e395e6215b5b19cecb5ba.exe
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Size
4.2MB
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MD5
d1c3e2094d7666f477b5f346b95fa4a3
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SHA1
400ff9025b680264a650181cfb12e070c481d0dc
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SHA256
f86822bd1637f386e8c0acb04c42249f3d1166e0526e395e6215b5b19cecb5ba
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SHA512
82843f8aa77fa7afed6b5f716dcd1c02836d4d9b532c686501d07bd87cdbb3885675bb3f4c61a6fe75666ffa5acbdea2a945aa1d28858127f2e6ea6c237563b2
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SSDEEP
98304:es1KgtX6PUl913lbPQnPAQTys2gRcwRkvQ+YcQpDEoRFqdvIk:MBUr117Qdys2g2wCucwR8vIk
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/4816-2-0x0000000002F70000-0x000000000385B000-memory.dmp family_glupteba behavioral2/memory/4816-3-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/4816-4-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/4816-7-0x0000000002F70000-0x000000000385B000-memory.dmp family_glupteba behavioral2/memory/4816-8-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/4816-37-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/4816-55-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/4816-70-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/2204-72-0x00000000028B0000-0x0000000002CB2000-memory.dmp family_glupteba behavioral2/memory/2204-73-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/2204-107-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/2204-108-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/2204-163-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/2204-169-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/4924-235-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/4924-272-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/4924-281-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/4924-283-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/4924-285-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 4748 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4924 csrss.exe 4148 injector.exe 4752 windefender.exe 3668 windefender.exe -
resource yara_rule behavioral2/files/0x00060000000230d4-275.dat upx behavioral2/files/0x00060000000230d4-277.dat upx behavioral2/files/0x00060000000230d4-278.dat upx behavioral2/memory/4752-280-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3668-282-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1574508946-349927670-1185736483-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" f86822bd1637f386e8c0acb04c42249f3d1166e0526e395e6215b5b19cecb5ba.exe Set value (str) \REGISTRY\USER\S-1-5-21-1574508946-349927670-1185736483-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN f86822bd1637f386e8c0acb04c42249f3d1166e0526e395e6215b5b19cecb5ba.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss f86822bd1637f386e8c0acb04c42249f3d1166e0526e395e6215b5b19cecb5ba.exe File created C:\Windows\rss\csrss.exe f86822bd1637f386e8c0acb04c42249f3d1166e0526e395e6215b5b19cecb5ba.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 1000 sc.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 368 schtasks.exe 2436 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" f86822bd1637f386e8c0acb04c42249f3d1166e0526e395e6215b5b19cecb5ba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" f86822bd1637f386e8c0acb04c42249f3d1166e0526e395e6215b5b19cecb5ba.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" f86822bd1637f386e8c0acb04c42249f3d1166e0526e395e6215b5b19cecb5ba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" f86822bd1637f386e8c0acb04c42249f3d1166e0526e395e6215b5b19cecb5ba.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" f86822bd1637f386e8c0acb04c42249f3d1166e0526e395e6215b5b19cecb5ba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" f86822bd1637f386e8c0acb04c42249f3d1166e0526e395e6215b5b19cecb5ba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" f86822bd1637f386e8c0acb04c42249f3d1166e0526e395e6215b5b19cecb5ba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" f86822bd1637f386e8c0acb04c42249f3d1166e0526e395e6215b5b19cecb5ba.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\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" f86822bd1637f386e8c0acb04c42249f3d1166e0526e395e6215b5b19cecb5ba.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" f86822bd1637f386e8c0acb04c42249f3d1166e0526e395e6215b5b19cecb5ba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" f86822bd1637f386e8c0acb04c42249f3d1166e0526e395e6215b5b19cecb5ba.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" f86822bd1637f386e8c0acb04c42249f3d1166e0526e395e6215b5b19cecb5ba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" f86822bd1637f386e8c0acb04c42249f3d1166e0526e395e6215b5b19cecb5ba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" f86822bd1637f386e8c0acb04c42249f3d1166e0526e395e6215b5b19cecb5ba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" f86822bd1637f386e8c0acb04c42249f3d1166e0526e395e6215b5b19cecb5ba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" f86822bd1637f386e8c0acb04c42249f3d1166e0526e395e6215b5b19cecb5ba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" f86822bd1637f386e8c0acb04c42249f3d1166e0526e395e6215b5b19cecb5ba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" f86822bd1637f386e8c0acb04c42249f3d1166e0526e395e6215b5b19cecb5ba.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" f86822bd1637f386e8c0acb04c42249f3d1166e0526e395e6215b5b19cecb5ba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" f86822bd1637f386e8c0acb04c42249f3d1166e0526e395e6215b5b19cecb5ba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" f86822bd1637f386e8c0acb04c42249f3d1166e0526e395e6215b5b19cecb5ba.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.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\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" f86822bd1637f386e8c0acb04c42249f3d1166e0526e395e6215b5b19cecb5ba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" f86822bd1637f386e8c0acb04c42249f3d1166e0526e395e6215b5b19cecb5ba.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" f86822bd1637f386e8c0acb04c42249f3d1166e0526e395e6215b5b19cecb5ba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" f86822bd1637f386e8c0acb04c42249f3d1166e0526e395e6215b5b19cecb5ba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" f86822bd1637f386e8c0acb04c42249f3d1166e0526e395e6215b5b19cecb5ba.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4692 powershell.exe 4692 powershell.exe 4816 f86822bd1637f386e8c0acb04c42249f3d1166e0526e395e6215b5b19cecb5ba.exe 4816 f86822bd1637f386e8c0acb04c42249f3d1166e0526e395e6215b5b19cecb5ba.exe 4740 powershell.exe 4740 powershell.exe 2204 f86822bd1637f386e8c0acb04c42249f3d1166e0526e395e6215b5b19cecb5ba.exe 2204 f86822bd1637f386e8c0acb04c42249f3d1166e0526e395e6215b5b19cecb5ba.exe 2204 f86822bd1637f386e8c0acb04c42249f3d1166e0526e395e6215b5b19cecb5ba.exe 2204 f86822bd1637f386e8c0acb04c42249f3d1166e0526e395e6215b5b19cecb5ba.exe 2204 f86822bd1637f386e8c0acb04c42249f3d1166e0526e395e6215b5b19cecb5ba.exe 2204 f86822bd1637f386e8c0acb04c42249f3d1166e0526e395e6215b5b19cecb5ba.exe 2204 f86822bd1637f386e8c0acb04c42249f3d1166e0526e395e6215b5b19cecb5ba.exe 2204 f86822bd1637f386e8c0acb04c42249f3d1166e0526e395e6215b5b19cecb5ba.exe 2204 f86822bd1637f386e8c0acb04c42249f3d1166e0526e395e6215b5b19cecb5ba.exe 2204 f86822bd1637f386e8c0acb04c42249f3d1166e0526e395e6215b5b19cecb5ba.exe 4572 powershell.exe 4572 powershell.exe 5100 powershell.exe 5100 powershell.exe 3372 powershell.exe 3372 powershell.exe 4728 powershell.exe 4728 powershell.exe 1848 powershell.exe 1848 powershell.exe 4148 injector.exe 4148 injector.exe 4148 injector.exe 4148 injector.exe 4148 injector.exe 4148 injector.exe 4924 csrss.exe 4924 csrss.exe 4148 injector.exe 4148 injector.exe 4148 injector.exe 4148 injector.exe 4148 injector.exe 4148 injector.exe 4924 csrss.exe 4924 csrss.exe 4148 injector.exe 4148 injector.exe 4924 csrss.exe 4924 csrss.exe 4148 injector.exe 4148 injector.exe 4148 injector.exe 4148 injector.exe 4148 injector.exe 4148 injector.exe 4148 injector.exe 4148 injector.exe 4148 injector.exe 4148 injector.exe 4148 injector.exe 4148 injector.exe 4148 injector.exe 4148 injector.exe 4148 injector.exe 4148 injector.exe 4148 injector.exe 4148 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4692 powershell.exe Token: SeDebugPrivilege 4816 f86822bd1637f386e8c0acb04c42249f3d1166e0526e395e6215b5b19cecb5ba.exe Token: SeImpersonatePrivilege 4816 f86822bd1637f386e8c0acb04c42249f3d1166e0526e395e6215b5b19cecb5ba.exe Token: SeDebugPrivilege 4740 powershell.exe Token: SeDebugPrivilege 4572 powershell.exe Token: SeDebugPrivilege 5100 powershell.exe Token: SeDebugPrivilege 3372 powershell.exe Token: SeDebugPrivilege 4728 powershell.exe Token: SeDebugPrivilege 1848 powershell.exe Token: SeSystemEnvironmentPrivilege 4924 csrss.exe Token: SeSecurityPrivilege 1000 sc.exe Token: SeSecurityPrivilege 1000 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4816 wrote to memory of 4692 4816 f86822bd1637f386e8c0acb04c42249f3d1166e0526e395e6215b5b19cecb5ba.exe 89 PID 4816 wrote to memory of 4692 4816 f86822bd1637f386e8c0acb04c42249f3d1166e0526e395e6215b5b19cecb5ba.exe 89 PID 4816 wrote to memory of 4692 4816 f86822bd1637f386e8c0acb04c42249f3d1166e0526e395e6215b5b19cecb5ba.exe 89 PID 2204 wrote to memory of 4740 2204 f86822bd1637f386e8c0acb04c42249f3d1166e0526e395e6215b5b19cecb5ba.exe 102 PID 2204 wrote to memory of 4740 2204 f86822bd1637f386e8c0acb04c42249f3d1166e0526e395e6215b5b19cecb5ba.exe 102 PID 2204 wrote to memory of 4740 2204 f86822bd1637f386e8c0acb04c42249f3d1166e0526e395e6215b5b19cecb5ba.exe 102 PID 2204 wrote to memory of 2008 2204 f86822bd1637f386e8c0acb04c42249f3d1166e0526e395e6215b5b19cecb5ba.exe 104 PID 2204 wrote to memory of 2008 2204 f86822bd1637f386e8c0acb04c42249f3d1166e0526e395e6215b5b19cecb5ba.exe 104 PID 2008 wrote to memory of 4748 2008 cmd.exe 106 PID 2008 wrote to memory of 4748 2008 cmd.exe 106 PID 2204 wrote to memory of 4572 2204 f86822bd1637f386e8c0acb04c42249f3d1166e0526e395e6215b5b19cecb5ba.exe 107 PID 2204 wrote to memory of 4572 2204 f86822bd1637f386e8c0acb04c42249f3d1166e0526e395e6215b5b19cecb5ba.exe 107 PID 2204 wrote to memory of 4572 2204 f86822bd1637f386e8c0acb04c42249f3d1166e0526e395e6215b5b19cecb5ba.exe 107 PID 2204 wrote to memory of 5100 2204 f86822bd1637f386e8c0acb04c42249f3d1166e0526e395e6215b5b19cecb5ba.exe 109 PID 2204 wrote to memory of 5100 2204 f86822bd1637f386e8c0acb04c42249f3d1166e0526e395e6215b5b19cecb5ba.exe 109 PID 2204 wrote to memory of 5100 2204 f86822bd1637f386e8c0acb04c42249f3d1166e0526e395e6215b5b19cecb5ba.exe 109 PID 2204 wrote to memory of 4924 2204 f86822bd1637f386e8c0acb04c42249f3d1166e0526e395e6215b5b19cecb5ba.exe 111 PID 2204 wrote to memory of 4924 2204 f86822bd1637f386e8c0acb04c42249f3d1166e0526e395e6215b5b19cecb5ba.exe 111 PID 2204 wrote to memory of 4924 2204 f86822bd1637f386e8c0acb04c42249f3d1166e0526e395e6215b5b19cecb5ba.exe 111 PID 4924 wrote to memory of 3372 4924 csrss.exe 112 PID 4924 wrote to memory of 3372 4924 csrss.exe 112 PID 4924 wrote to memory of 3372 4924 csrss.exe 112 PID 4924 wrote to memory of 4728 4924 csrss.exe 117 PID 4924 wrote to memory of 4728 4924 csrss.exe 117 PID 4924 wrote to memory of 4728 4924 csrss.exe 117 PID 4924 wrote to memory of 1848 4924 csrss.exe 120 PID 4924 wrote to memory of 1848 4924 csrss.exe 120 PID 4924 wrote to memory of 1848 4924 csrss.exe 120 PID 4924 wrote to memory of 4148 4924 csrss.exe 123 PID 4924 wrote to memory of 4148 4924 csrss.exe 123 PID 4752 wrote to memory of 2072 4752 windefender.exe 131 PID 4752 wrote to memory of 2072 4752 windefender.exe 131 PID 4752 wrote to memory of 2072 4752 windefender.exe 131 PID 2072 wrote to memory of 1000 2072 cmd.exe 132 PID 2072 wrote to memory of 1000 2072 cmd.exe 132 PID 2072 wrote to memory of 1000 2072 cmd.exe 132 -
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\f86822bd1637f386e8c0acb04c42249f3d1166e0526e395e6215b5b19cecb5ba.exe"C:\Users\Admin\AppData\Local\Temp\f86822bd1637f386e8c0acb04c42249f3d1166e0526e395e6215b5b19cecb5ba.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4816 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4692
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C:\Users\Admin\AppData\Local\Temp\f86822bd1637f386e8c0acb04c42249f3d1166e0526e395e6215b5b19cecb5ba.exe"C:\Users\Admin\AppData\Local\Temp\f86822bd1637f386e8c0acb04c42249f3d1166e0526e395e6215b5b19cecb5ba.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:2204 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4740
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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:2008 -
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:4748
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4572
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5100
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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:4924 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3372
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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:368
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4216
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4728
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1848
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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:4148
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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:2436
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4752 -
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:2072 -
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:1000
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
PID:3668
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
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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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58bc185e8e968cb7392fc6dcec4d5e125
SHA141aa692475a8e8f89f7421226edb729597c4d5fd
SHA25614caf6f8bac2e3cf4dfda1be5619930e53ee9e4597c74dc3523b58382a955c71
SHA512eb8657109b853c74665008f213fd7aef13b39dedc33495bbca030dc36fc9426cde4c0d5249a2228b96e91611020cd78b0fbf25ef1eafa66f4b1a049af4df4cfb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56ec1224c97412bcd0c0c996d27560eb0
SHA1da967ca52556d420ecf623dba8b49a8873932ea0
SHA2564a95446e9e4cdb6bf95a543474ff8bc84e8ea27e86f9dfd43ff6030531641f69
SHA512ccd4e091e436f93ded816d60ade91d71ad7eec14b086ffaf4a8cd19faf7762917965016350343607365a5ea7b35e7b19b6c57ce5925ecdf647e4aa0b6c31e1c9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ba17d9c733f56025fd030d018282f6a3
SHA19936bdfc5ea782fcebb841e3b75a86b768d4f8cc
SHA256cfbbd19f3082235a41785890772fe7ec80b2b5a8ba1cb7037aab5f17b96f613f
SHA512d2995e9425998518838f2d95f76d8c96046804799459cbf582c62cf8116e943b0d1da980b721ff3b5b884907c81814cb958f6b8e4b322f552915089354d5a20b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51698a8ef7c667ec57157554500b91ad0
SHA107846db509ea7f789ed4c6b772dc9ca75c3b6120
SHA256d3ab891fa251c834e003188f1d66c42071aa298df5d15b1a7dc722e40aaf37f3
SHA512ef27d77fccb2906964751869c86517cd57db80195b86a833047d0e81e319d9f90dba4a41e8fecc50d9d42fdb957c562c7292ad4718e74f742c8ba87232668267
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD536d14d9c87bbc3f0f751b2f4181517f2
SHA1d6eb403a5a37f3e4d6d8dcb1745ee92c78db998e
SHA25626a4bc1dfe9675c236e4d42d29c3141b6cda9a76ecba74338bb3aaf24f2a78c0
SHA512c21437da7bb4f5b3cf62126eb7e879fbb0ba3d83c1c27ffa0ec7d415d3f559ccad5f6fb2ce17c88a034e753bf823c8a682ff339c4c26a87fad52d5dd51468003
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Filesize
4.2MB
MD5d1c3e2094d7666f477b5f346b95fa4a3
SHA1400ff9025b680264a650181cfb12e070c481d0dc
SHA256f86822bd1637f386e8c0acb04c42249f3d1166e0526e395e6215b5b19cecb5ba
SHA51282843f8aa77fa7afed6b5f716dcd1c02836d4d9b532c686501d07bd87cdbb3885675bb3f4c61a6fe75666ffa5acbdea2a945aa1d28858127f2e6ea6c237563b2
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Filesize
4.2MB
MD5d1c3e2094d7666f477b5f346b95fa4a3
SHA1400ff9025b680264a650181cfb12e070c481d0dc
SHA256f86822bd1637f386e8c0acb04c42249f3d1166e0526e395e6215b5b19cecb5ba
SHA51282843f8aa77fa7afed6b5f716dcd1c02836d4d9b532c686501d07bd87cdbb3885675bb3f4c61a6fe75666ffa5acbdea2a945aa1d28858127f2e6ea6c237563b2
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec