Analysis
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max time kernel
149s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
18-05-2024 16:45
Static task
static1
Behavioral task
behavioral1
Sample
1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe
Resource
win10v2004-20240426-en
General
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Target
1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe
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Size
4.1MB
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MD5
15d075ce0d299b235c5ab8c88a4f0069
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SHA1
ed0d9c753eedcba8aa3c3debac12c50b70fbf190
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SHA256
1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0
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SHA512
a2168aa9b03eb9d13810f2c1ebcd749963f0478c39fd16261a1640c63223755a830a2e4f5207ebf0e636c747df4b5fe8665fbebe61fc02375f8449100a8d2903
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SSDEEP
98304:Ic7aFVXn+Lid2bryXaMbaClZg093y0sFFfdliBdPt:4X++d2b0aMbplZO0sFfSt
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/2296-2-0x00000000049E0000-0x00000000052CB000-memory.dmp family_glupteba behavioral1/memory/2296-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1348-132-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/2296-157-0x00000000049E0000-0x00000000052CB000-memory.dmp family_glupteba behavioral1/memory/2296-156-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/2296-208-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3060-216-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3060-227-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3060-230-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3060-233-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3060-236-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3060-239-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3060-242-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3060-245-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3060-248-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3060-251-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3060-254-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3060-257-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3060-260-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4056 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3060 csrss.exe 3112 injector.exe 752 windefender.exe 3644 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023432-219.dat upx behavioral1/memory/752-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3644-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/752-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3644-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3644-234-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe Set value (str) \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\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 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 -
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 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe File created C:\Windows\rss\csrss.exe 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1320 sc.exe -
pid Process 1080 powershell.exe 2440 powershell.exe 4384 powershell.exe 1068 powershell.exe 372 powershell.exe 740 powershell.exe 3204 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 3776 schtasks.exe 5040 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-402 = "Arabic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs 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\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-331 = "E. Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-832 = "SA Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.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\SmartCardRoot\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.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,-3052 = "Qyzylorda Standard Time" 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs 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\@tzres.dll,-831 = "SA Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-601 = "Taipei Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-631 = "Tokyo Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2772 = "Omsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.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,-2532 = "Chatham Islands Standard Time" 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs 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,-911 = "Mauritius Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1068 powershell.exe 1068 powershell.exe 2296 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe 2296 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe 372 powershell.exe 372 powershell.exe 1348 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe 1348 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe 1348 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe 1348 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe 1348 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe 1348 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe 1348 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe 1348 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe 1348 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe 1348 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe 740 powershell.exe 740 powershell.exe 3204 powershell.exe 3204 powershell.exe 3204 powershell.exe 1080 powershell.exe 1080 powershell.exe 1080 powershell.exe 2440 powershell.exe 2440 powershell.exe 4384 powershell.exe 4384 powershell.exe 3112 injector.exe 3112 injector.exe 3112 injector.exe 3112 injector.exe 3112 injector.exe 3112 injector.exe 3060 csrss.exe 3060 csrss.exe 3112 injector.exe 3112 injector.exe 3112 injector.exe 3112 injector.exe 3112 injector.exe 3112 injector.exe 3060 csrss.exe 3060 csrss.exe 3112 injector.exe 3112 injector.exe 3060 csrss.exe 3060 csrss.exe 3112 injector.exe 3112 injector.exe 3112 injector.exe 3112 injector.exe 3112 injector.exe 3112 injector.exe 3112 injector.exe 3112 injector.exe 3112 injector.exe 3112 injector.exe 3112 injector.exe 3112 injector.exe 3112 injector.exe 3112 injector.exe 3112 injector.exe 3112 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1068 powershell.exe Token: SeDebugPrivilege 2296 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe Token: SeImpersonatePrivilege 2296 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe Token: SeDebugPrivilege 372 powershell.exe Token: SeDebugPrivilege 740 powershell.exe Token: SeDebugPrivilege 3204 powershell.exe Token: SeDebugPrivilege 1080 powershell.exe Token: SeDebugPrivilege 2440 powershell.exe Token: SeDebugPrivilege 4384 powershell.exe Token: SeSystemEnvironmentPrivilege 3060 csrss.exe Token: SeSecurityPrivilege 1320 sc.exe Token: SeSecurityPrivilege 1320 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2296 wrote to memory of 1068 2296 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe 84 PID 2296 wrote to memory of 1068 2296 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe 84 PID 2296 wrote to memory of 1068 2296 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe 84 PID 1348 wrote to memory of 372 1348 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe 93 PID 1348 wrote to memory of 372 1348 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe 93 PID 1348 wrote to memory of 372 1348 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe 93 PID 1348 wrote to memory of 3296 1348 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe 96 PID 1348 wrote to memory of 3296 1348 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe 96 PID 3296 wrote to memory of 4056 3296 cmd.exe 98 PID 3296 wrote to memory of 4056 3296 cmd.exe 98 PID 1348 wrote to memory of 740 1348 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe 99 PID 1348 wrote to memory of 740 1348 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe 99 PID 1348 wrote to memory of 740 1348 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe 99 PID 1348 wrote to memory of 3204 1348 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe 104 PID 1348 wrote to memory of 3204 1348 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe 104 PID 1348 wrote to memory of 3204 1348 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe 104 PID 1348 wrote to memory of 3060 1348 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe 106 PID 1348 wrote to memory of 3060 1348 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe 106 PID 1348 wrote to memory of 3060 1348 1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe 106 PID 3060 wrote to memory of 1080 3060 csrss.exe 107 PID 3060 wrote to memory of 1080 3060 csrss.exe 107 PID 3060 wrote to memory of 1080 3060 csrss.exe 107 PID 3060 wrote to memory of 2440 3060 csrss.exe 113 PID 3060 wrote to memory of 2440 3060 csrss.exe 113 PID 3060 wrote to memory of 2440 3060 csrss.exe 113 PID 3060 wrote to memory of 4384 3060 csrss.exe 116 PID 3060 wrote to memory of 4384 3060 csrss.exe 116 PID 3060 wrote to memory of 4384 3060 csrss.exe 116 PID 3060 wrote to memory of 3112 3060 csrss.exe 118 PID 3060 wrote to memory of 3112 3060 csrss.exe 118 PID 752 wrote to memory of 4508 752 windefender.exe 124 PID 752 wrote to memory of 4508 752 windefender.exe 124 PID 752 wrote to memory of 4508 752 windefender.exe 124 PID 4508 wrote to memory of 1320 4508 cmd.exe 125 PID 4508 wrote to memory of 1320 4508 cmd.exe 125 PID 4508 wrote to memory of 1320 4508 cmd.exe 125 -
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\1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe"C:\Users\Admin\AppData\Local\Temp\1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2296 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1068
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C:\Users\Admin\AppData\Local\Temp\1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.exe"C:\Users\Admin\AppData\Local\Temp\1893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0.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:1348 -
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:372
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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:3296 -
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:4056
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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:740
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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:3204
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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:3060 -
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:1080
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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:3776
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3504
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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:2440
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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:4384
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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:3112
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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:5040
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:752 -
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:4508 -
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:1320
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3644
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
MD510e684dbe40cb54ca90e2389ab39ce51
SHA1b9c382e7223a64ee3ed3a0d146a334047ef98def
SHA25644ef41c6f337d0bbfd73febe8fa056d1ea1e4cd350a1b0b9dbb98bc7d4a92758
SHA512e6bb7ab0ae0c099844395d1f6ecaa34b1575b61fdac977ef9560cf2ca2492d4c60c01a03f87d244f3e39ca6155cfd7958391e77e3edd24fc630e1a7429363545
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD554e8c0f43722a43bcdf5b183e0263fe2
SHA1b06ec5f2da9e7751ceda95302f19ba435f01e4a1
SHA256abe43f7bf66710c849e4b7ea00131f1a6fc5709109b80ef5c67dd26c3fa1e5d4
SHA512ea1a8999c94f4ee947848c7d135a80d43f9aa2e3bcfef22675dcfe5af06b0a67c25f15126961b91aaff37269063a04498c71cf603aad4d17c9d9233e82a22f76
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bdb42c31960eeb58797e83b10dfb9b89
SHA169b809e6726bdd7c4618223aff1d8acc82546e21
SHA25629c25df91f414999d1858df843740a1b368e9085747f98da7168a1e520cc1ace
SHA512c59aca2a80317cd7637c90222c1241b7f0135789bf2bab52796f92dbab5e412b3b89d2d720e494256e78783713efe15e1c4a64a587fb5d3eb9ee72b7be85ad8b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD521988a95ab829b357d1201d387e5a662
SHA1f255af74eb16ade11ff694e2bb5ded39ed3e1a52
SHA256a5d54d6116f79c753fbd10b0a49529ed64fd38134f027a6cfa84794af2255ff8
SHA512ae29754efd1a0cc6e36db165e45de1a059a6973820b98dfae499de9992b1f52e571e76a32f8bec604bb54af33714171d0d38014fac8338057735135b2d101fcf
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cc4b6ccef6e46d78ad3bbcc0217b8b79
SHA14ffd805386660b140dbc1c07c81e38ceafa2a881
SHA256f3b2a65b52bbfd9914cc18d80fc0ac21a494d085f3025bacf3c4db20154eb34b
SHA51206b6fb7337addec654dfbe8a42fe811ab711913d6ac8723ab9e182ebfce606286687ad2888f38e022687be311e5564acba0fafcd4608059c2c110aa26351c118
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Filesize
4.1MB
MD515d075ce0d299b235c5ab8c88a4f0069
SHA1ed0d9c753eedcba8aa3c3debac12c50b70fbf190
SHA2561893b928c690de38411bcb24e41aea7989c9d4716240bc05a516cff98b91d2e0
SHA512a2168aa9b03eb9d13810f2c1ebcd749963f0478c39fd16261a1640c63223755a830a2e4f5207ebf0e636c747df4b5fe8665fbebe61fc02375f8449100a8d2903
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec