Analysis
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max time kernel
150s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
15-05-2024 19:10
Static task
static1
Behavioral task
behavioral1
Sample
9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe
Resource
win10v2004-20240426-en
General
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Target
9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe
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Size
4.1MB
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MD5
f92616396b5bae0b0380eba94ac2cc6c
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SHA1
64211dc96cf6e97cff82ae56274d57b902f2629a
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SHA256
9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b
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SHA512
ff134d8a5cee9f07fe84cd2ecdac4ba137fb4143938fa98701ede49aa2b4c15f2c25a27c0edd9a05ad4c70384a758b52eb975db68f5e9dc9e67ea687d80b303e
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SSDEEP
98304:fvKhyQu49tHH7DRYDff1lXFitQcJyMhd8Y1m:fv8u49ZH7eDfxu9yMsEm
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/4564-2-0x0000000004C40000-0x000000000552B000-memory.dmp family_glupteba behavioral1/memory/4564-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4564-57-0x0000000004C40000-0x000000000552B000-memory.dmp family_glupteba behavioral1/memory/4564-53-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4564-59-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4564-60-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2896-61-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2896-112-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2896-142-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/1300-222-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/1300-228-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/1300-237-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/1300-241-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/1300-245-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/1300-249-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/1300-253-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/1300-257-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/1300-261-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4728 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1300 csrss.exe 2608 injector.exe 3428 windefender.exe 1924 windefender.exe -
resource yara_rule behavioral1/files/0x00080000000234ab-227.dat upx behavioral1/memory/3428-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1924-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3428-234-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1924-239-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1924-247-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\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 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 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 -
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 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe File created C:\Windows\rss\csrss.exe 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.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 5056 sc.exe -
pid Process 4580 powershell.exe 2776 powershell.exe 704 powershell.exe 4280 powershell.exe 4824 powershell.exe 4840 powershell.exe 4572 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 3048 schtasks.exe 5032 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,-2612 = "Bougainville Standard Time" 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-532 = "Sri Lanka Standard Time" windefender.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,-2041 = "Eastern Daylight Time (Mexico)" 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.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\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.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,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-335 = "Jordan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.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,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.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\@tzres.dll,-152 = "Central America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs 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\2a\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-912 = "Mauritius Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\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,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-501 = "Nepal Daylight Time" windefender.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" 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4824 powershell.exe 4824 powershell.exe 4564 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe 4564 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe 4840 powershell.exe 4840 powershell.exe 2896 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe 2896 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe 2896 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe 2896 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe 2896 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe 2896 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe 2896 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe 2896 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe 2896 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe 2896 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe 4572 powershell.exe 4572 powershell.exe 4580 powershell.exe 4580 powershell.exe 2776 powershell.exe 2776 powershell.exe 704 powershell.exe 704 powershell.exe 4280 powershell.exe 4280 powershell.exe 2608 injector.exe 2608 injector.exe 2608 injector.exe 2608 injector.exe 2608 injector.exe 2608 injector.exe 1300 csrss.exe 1300 csrss.exe 2608 injector.exe 2608 injector.exe 2608 injector.exe 2608 injector.exe 2608 injector.exe 2608 injector.exe 1300 csrss.exe 1300 csrss.exe 2608 injector.exe 2608 injector.exe 2608 injector.exe 2608 injector.exe 2608 injector.exe 2608 injector.exe 1300 csrss.exe 1300 csrss.exe 2608 injector.exe 2608 injector.exe 2608 injector.exe 2608 injector.exe 2608 injector.exe 2608 injector.exe 2608 injector.exe 2608 injector.exe 2608 injector.exe 2608 injector.exe 2608 injector.exe 2608 injector.exe 2608 injector.exe 2608 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4824 powershell.exe Token: SeDebugPrivilege 4564 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe Token: SeImpersonatePrivilege 4564 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe Token: SeDebugPrivilege 4840 powershell.exe Token: SeDebugPrivilege 4572 powershell.exe Token: SeDebugPrivilege 4580 powershell.exe Token: SeDebugPrivilege 2776 powershell.exe Token: SeDebugPrivilege 704 powershell.exe Token: SeDebugPrivilege 4280 powershell.exe Token: SeSystemEnvironmentPrivilege 1300 csrss.exe Token: SeSecurityPrivilege 5056 sc.exe Token: SeSecurityPrivilege 5056 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4564 wrote to memory of 4824 4564 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe 96 PID 4564 wrote to memory of 4824 4564 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe 96 PID 4564 wrote to memory of 4824 4564 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe 96 PID 2896 wrote to memory of 4840 2896 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe 102 PID 2896 wrote to memory of 4840 2896 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe 102 PID 2896 wrote to memory of 4840 2896 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe 102 PID 2896 wrote to memory of 2612 2896 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe 104 PID 2896 wrote to memory of 2612 2896 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe 104 PID 2612 wrote to memory of 4728 2612 cmd.exe 106 PID 2612 wrote to memory of 4728 2612 cmd.exe 106 PID 2896 wrote to memory of 4572 2896 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe 107 PID 2896 wrote to memory of 4572 2896 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe 107 PID 2896 wrote to memory of 4572 2896 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe 107 PID 2896 wrote to memory of 4580 2896 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe 109 PID 2896 wrote to memory of 4580 2896 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe 109 PID 2896 wrote to memory of 4580 2896 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe 109 PID 2896 wrote to memory of 1300 2896 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe 111 PID 2896 wrote to memory of 1300 2896 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe 111 PID 2896 wrote to memory of 1300 2896 9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe 111 PID 1300 wrote to memory of 2776 1300 csrss.exe 112 PID 1300 wrote to memory of 2776 1300 csrss.exe 112 PID 1300 wrote to memory of 2776 1300 csrss.exe 112 PID 1300 wrote to memory of 704 1300 csrss.exe 117 PID 1300 wrote to memory of 704 1300 csrss.exe 117 PID 1300 wrote to memory of 704 1300 csrss.exe 117 PID 1300 wrote to memory of 4280 1300 csrss.exe 120 PID 1300 wrote to memory of 4280 1300 csrss.exe 120 PID 1300 wrote to memory of 4280 1300 csrss.exe 120 PID 1300 wrote to memory of 2608 1300 csrss.exe 124 PID 1300 wrote to memory of 2608 1300 csrss.exe 124 PID 3428 wrote to memory of 1432 3428 windefender.exe 130 PID 3428 wrote to memory of 1432 3428 windefender.exe 130 PID 3428 wrote to memory of 1432 3428 windefender.exe 130 PID 1432 wrote to memory of 5056 1432 cmd.exe 131 PID 1432 wrote to memory of 5056 1432 cmd.exe 131 PID 1432 wrote to memory of 5056 1432 cmd.exe 131 -
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\9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe"C:\Users\Admin\AppData\Local\Temp\9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4564 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4824
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C:\Users\Admin\AppData\Local\Temp\9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.exe"C:\Users\Admin\AppData\Local\Temp\9a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b.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:2896 -
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:4840
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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:2612 -
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:4728
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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:4572
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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:4580
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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:1300 -
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:2776
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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:3048
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1488
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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:704
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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:4280
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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:2608
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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:5032
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3428 -
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:1432 -
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:5056
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1924
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d73d679fe2e997fb4c81d960979c3b54
SHA17524f5b07fe64cd5db29afc7703bb87abbd95cdf
SHA256f8309d1e411cf5a3a9761254f0b6fcf43e7f76e0ae012b51c6d54ff99d6c20cb
SHA51266d9c6ec49203dfdf8579b54c09f164dfc36691aea4db2dc39468b415bafe4d1290bdbc4aeea63751b1490e73b1bcc132a7c102a1a6dc32f329d549ae7c3e817
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59a42557623f159dbb1914fc2de8a7223
SHA1d7771ae88bf67d3f78f65142fcce70e554b440a1
SHA256555bacb709ef1635eee6a9835398c5d2e246044b6d97f501be151e1e396c76d7
SHA51274fb6e164521fef17a423cd1e2ffc54689c1d343f640976a958ace9d5fa6347aa0168b746a5f06506023e51307c59678bf32903419a69a739b271780501bced2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD542f9bb19a0e6f77aec5a54a34f0964ba
SHA124be93ed6ebef2ee6f9af0500fb756de66e39668
SHA256a2131dbe21821898025528e7bb7012590126122df2e1ad7b4c979e67b5c17011
SHA512820f09fc10b639e837d18371dbf18d451b166dad538ba489ef8d3906a86dd7128a5116ea12a088457729d17d70d89c401df9744cbcd898822783163facb54ed0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55f25a69ccca546d29dc345f0f9cccbba
SHA1c637c7aa84db2c7e1306134143279dfcd12bf503
SHA2568c84d54df7cdf8bbaff1d1c5f421751de615e67ed6091c00c4e7f5a12bdce17f
SHA51201cdcff0bbac8f55ea98f07311ecdb26e853455a791e91e83d31a49aeeae3acbffb2cc2d44a5e9f483838265de669a03967eb0f357c33f2204332bd20f2b7f5d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD514c25c3189783f5e38816ad66ac27eca
SHA13b10e233d7dc6e978524ac221b7c358127331e4f
SHA256bd15afa2a7b6151ebf827e03ddf1d583feec9bf120ad8260205c75e96f362ed9
SHA5122fc7c114167515cee6f1566386ce4ff5a630a0207ad26d7d232b6c3f3feb807ea50c22e4f826992a2aa09b121048c8ec4645ca51edabadb5df53849db61ed4e8
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Filesize
4.1MB
MD5f92616396b5bae0b0380eba94ac2cc6c
SHA164211dc96cf6e97cff82ae56274d57b902f2629a
SHA2569a4ea5340544c142190242a07fa86e4d37d3634f38fe07ff77093ddfeb41659b
SHA512ff134d8a5cee9f07fe84cd2ecdac4ba137fb4143938fa98701ede49aa2b4c15f2c25a27c0edd9a05ad4c70384a758b52eb975db68f5e9dc9e67ea687d80b303e
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec